Entries |
Document | Title | Date |
20080208127 | ENDOSCOPIC THERAPEUTIC DEVICE AND DOUBLE TUBE FOR THERAPEUTIC DEVICE - At least an inner tube and an outer tube of a double tube, which forms an insertion section of an endoscopic injector, are formed of different kinds of plastic materials, and the outer tube is formed of a material with a higher rigidity than a material of the inner tube. Thereby, there are provided an endoscopic therapeutic device such as an endoscopic injector, and a double tube for a therapeutic device, which have a good operability of, for example, an operation of projecting a needle, and can perform a stable operation for a diseased part. | 08-28-2008 |
20080243080 | Method and apparatus for vascular access - A method and apparatus is described that facilitates appropriate placement of a closure device and allows ease of placement with repeated access without bleeding. A suitable biocompatible polymer diaphragm such as silicone or nipple is place on the adventitia of the vessel through a small cutdown incision. The puncture surface is a diaphragm that functions as a self-sealing valve. For embodiments designed for small catheter access such as 4 to 9 Fr, this may be a polymer that elastically seals around the puncture once the catheter is removed. Especially for larger access catheters, such as 10 French to 24 French, a preformed aperture or slit may be cut into the material, allowing controlled and atraumatic penetration of the device and artery. The sealing element may also be fixed to the outside wall of the vessel with holdfasts through a method that facilitates percutaneous delivery through the use of a guiding wire. A method and apparatus is also described that minimizes the potential migration of emboli generated upstream from the access site, an anchoring cannula and method for facilitating localizing of the access device. | 10-02-2008 |
20090005738 | INSERTION DEVICE WITH FLOATING HOUSING AND METHOD OF USE - An insertion device configured for providing access to a treatment site within a body cavity is provided herein. In general, the device includes an elongate cannula configured to receive and allow passage therethrough of a surgical instrument to a treatment site. Additionally, a proximal end of the cannula is movably coupled to a housing thereby facilitating delivery of the instrument therethrough. Additionally, various embodiment of a method for delivering (e.g., laprascopically, endoscopically, etc.) various surgical instrument to various treatment sites via an elongate cannula wherein the cannula includes a proximal end movably coupled to a housing are provided herein. | 01-01-2009 |
20090036832 | GUIDEWIRES AND METHODS FOR MANUFACTURING GUIDEWIRES - Medical devices and methods for making and using the same. An example of medical devices includes a core member and a tubular member disposed over a portion of the core member. The core member may include an outer diameter region that has an outside diameter that is substantially the same as the inside diameter of the tubular member so that the core member can be attached to the tubular member. The medical device may also include a coil that is coupled to the tubular member. | 02-05-2009 |
20090043258 | INJECTION NEEDLE APPARATUS FOR MAKING INJECTION IN TISSUE IN BODY CAVITY - An injection needle apparatus in which an operation for relatively moving an outer tube | 02-12-2009 |
20090088695 | Catheter for reduced reflux in targeted tissue delivery of a therapeutic agent - A catheter for delivery of a therapeutic agent directly into a targeted tissue that reduces or substantially prevents reflux and back flow by providing rigidity and strength via a stylet thereby eliminating the need for a guide or delivery sheath during positioning. The catheter has a flexible proximal section and a substantially rigid distal section formed from a plurality of distal subsections. The proximal and distal sections having decreasing outer diameters starting from the proximal end and advancing towards the distal end. The distal subsection closest to the distal end providing an adjustable flow rate via multiple output ports defined radially therein while the distal end itself is closed off. | 04-02-2009 |
20090105651 | Puncture Device - A puncture device is provided that does not allow an outer needle to collapse or rise at the time of puncture and exhibits small puncture resistance. | 04-23-2009 |
20090118673 | NEEDLE INJECTION CATHETER - A needle injection catheter includes a delivery tube that slidably surrounds a hypotube that has at least three hollow needle portions connected to and extending outwardly at its distal end. The needle portions are formed of resilient material and curve outwardly from the delivery tube. The ends of the needle portions are shaped to penetrate tissue when the hypotube is urged out of the delivery tube. A first sensor is located adjacent the distal end of the delivery tube and a second sensor is located adjacent the end of the needle portion. The sensors are electrically connected to first and second notification devices located adjacent a first end of the delivery tube. Radiopaque markers are affixed to the delivery tube to locate the tip using an enhanced imaging system. The markers are sized, shaped, positioned and of different densities to locate the tip both axially and radially within body structures. | 05-07-2009 |
20090124978 | MODULAR STEERABLE SHEATH CATHETERS - An apparatus for accessing a site within a body includes a cannula and an elongate member. The cannula has a proximal end, a distal end, and a lumen extending therebetween. The elongate member has a distal end configured for insertion into the lumen, wherein the distal end of the elongate member is attachable to and releasable from the distal end of the cannula. A method for accessing a site within a body includes inserting a distal end of an elongate member into a lumen of a cannula, detachably attaching the distal end of the elongate member to the cannula, and steering a distal end of the cannula to a desired site using the elongate member. | 05-14-2009 |
20090143736 | CATHETER STYLET WITH CATHETER ACCOMMODATING LUMEN - The invention relates to a catheter stylet for stiffening a catheter during the placing process, wherein the stylet comprises an accommodating lumen for at least one fluid-guiding line of the catheter. It also relates to a catheter stylet catheter system, comprising such a stylet and comprising a catheter which comprises a fluid-guiding line, and to a method for stiffening a catheter during the placing process, wherein a stylet which comprises an accommodating lumen is arranged around at least one fluid-guiding line of the catheter. | 06-04-2009 |
20090171292 | ARRANGEMENT FOR INTRODUCING A LIQUID INTO THE BODY OF A PATIENT - An infusion set with a guiding needle, more particularly a laterally displaceable guiding needle. | 07-02-2009 |
20090192463 | Introducer Sheath Assembly with Hub and Method of Joining a Hub to a Sheath Tube - A tearaway introducer sheath assembly ( | 07-30-2009 |
20090216196 | APPARATUS AND METHOD FOR ACCESSING A SINUS CAVITY - A system for accessing a sinus cavity of a subject includes an access tool configured to penetrate into the sinus cavity from a location external the subject. The system further includes an access sheath having a distal tubular portion, a lumen extending through the access sheath and the distal tubular portion and dimensioned to receive the access tool, the distal tubular portion comprising one or more cutting surfaces disposed about an external surface thereof. The one or more cutting surfaces may include a plurality of longitudinally oriented grooves for flutes disposed about the periphery of the distal tubular member. | 08-27-2009 |
20090254038 | INTRODUCER APPARATUS WITH CUTTING EDGES - An introducer apparatus with a plurality of cutting edges along the outer surface of the distal end of an introducer with a blunt distal end is disclosed. The introducer may be adapted to extend from and be withdrawn into the sheath. The cutting edges may resect tissue located around the insertion site. | 10-08-2009 |
20090270812 | ACCESS DEVICE WITH ENHANCED WORKING CHANNEL - Disclosed is a surgical access device for providing at least one auxiliary lumen for the insertion of a surgical instrument or other therapeutic device into a patient's body. The device comprises a first working channel, a second working channel and at least one additional lumen for infusion of a distension media. The surgical access device comprises an outer diameter, and the ratio of the outer diameter to the inside diameter of the working channel is preferably less than about 2.25. | 10-29-2009 |
20090281498 | DEVICES, SYSTEM AND METHODS FOR MINIMALLY INVASIVE ABDOMINAL SURGICAL PROCEDURES - Apparatus, tools, device and methods provided for treating a patient including: making an incision or puncture though the patient's skin; establishing an initial tract through an opening formed by the incision or puncture; inserting a guide member having a flexible distal portion and a distal tip into the initial tract and extending the initial tract to form a delivery tract leading to a target location within the patient's body; wherein said distal tip and at least a portion of a remainder of said guide member are transparent and delivering an obturator and conduit assembly over said guide member to place a distal end of the conduit of said obturator and conduit assembly in a location at or near the target location, said obturator having been inserted into said conduit prior to delivering said assembly over said guide member such that a distal end of said obturator extends distally out of a distal opening of said conduit wherein said obturator comprises a central lumen adapted to closely follow said guide member while sliding thereover. | 11-12-2009 |
20090292248 | Method for Inserting a Catheter - A method for inserting a multiple catheter assembly into a patient. The assembly ( | 11-26-2009 |
20090326460 | ACCESS CANNULA WITH HINGE RESTRICTOR - A cannula assembly adapted to facilitate the percutaneous introduction of surgical instrumentation. In particular, the cannula assembly includes a cannula housing and a cannula member incorporating an restrictor hinge. The restrictor hinge is configured and dimensioned to transition from a first, initial stage in which an initial internal dimension is defined, to a second, expanded stage, such that the proper orientation of any surgical instrument inserted into the cannula may be achieved and a substantially fluid-tight seal may be formed therewith. | 12-31-2009 |
20100010444 | SURGICAL SYSTEM HAVING A MAGNETIC ENTRY - A surgical portal apparatus for receiving medical instrumentation includes a portal member adapted for passage through tissue for providing access to an underlying tissue site, and having a longitudinal opening extending therethrough. The portal member has a magnetic material for creating a magnetic field adapted to urge magnetically responsive instrumentation at least toward the longitudinal opening to permit passage therethrough and use of the instrumentation in performing a medical procedure adjacent the tissue site. | 01-14-2010 |
20100016797 | CONSTRICTING MECHANISM FOR USE WITH A SURGICAL ACCESS ASSEMBLY - The present disclosure relates to a surgical access member for establishing percutaneous access to a surgical worksite within tissue. The surgical access member includes a constricting mechanism that is adapted to removably receive a surgical instrument and resiliently transition between an open state and a constricted state. In the open state, insertion of the surgical instrument through the constricting mechanism is substantially uninhibited. In the constricted state, the constricting mechanism substantially limits transverse movement of the surgical instrument, and may facilitate the creation of a substantially fluid-tight seal therewith. | 01-21-2010 |
20100016798 | PORT FIXATION WITH INTERLOCKING STRUCTURE - The present disclosure relates to a surgical access system that includes a cannula assembly adapted for removable positioning within a percutaneous tissue tract, and an obturator assembly removably positionable within the cannula assembly. The cannula assembly includes a cannula housing, a cannula sleeve, and first engagement structure, and the obturator assembly includes an obturator housing, an obturator sleeve, and second engagement structure. The first engagement structure and the second engagement structure are correspondingly dimensioned such that rotation of the obturator assembly in a first direction effectuates corresponding rotation of the cannula assembly to facilitate advancement of the cannula assembly through tissue. | 01-21-2010 |
20100057008 | Organ Access Device and Method - An insertion guide device guides an instrument toward a target location in a subject. The insertion guide device includes a base portion securable to the subject and an insertion guide portion defining an insertion axis. The insertion guide portion guides the instrument along the insertion axis, and the insertion guide portion is moveably supported by the base portion for movement of the insertion axis about at least two axes. Moreover, the insertion guide device includes a locking device that selectively fixes the insertion guide portion relative to the base portion. The locking device selectively fixes the insertion axis relative to the at least two axes substantially concurrently. | 03-04-2010 |
20100063450 | TROCAR ASSEMBLY WITH OBTURATOR DISSECTOR - A surgical system for penetrating tissue includes an obturator including an obturator housing and an obturator member extending from the obturator housing. The obturator member defines a longitudinal axis along which the obturator extends from trailing to leading ends thereof, and has a leading penetrating member adapted to penetrate tissue. The penetrating member defines, from leading to trailing, a cylindrical element having a generally arcuate leading surface and a generally planar dissecting element extending from the cylindrical portion. The obturator member and the leading penetrating member may be monolithically formed. The obturator member may include an obturator rod connected to the obturator housing, and defining a generally “t”-shaped cross-section. The generally planar dissecting element defines side surfaces obliquely arranged with respect to the longitudinal axis. The side surfaces may be arcuate or may define cutting edges. | 03-11-2010 |
20100100043 | Flexible Access Device For Use In Surgical Procedure - A flexible access device for insertion through tissue is provided. The flexible access device includes a compressible body having a first collapsed configuration and a second resiliently expanded configuration. The body is compressible in both a radial dimension and a longitudinal dimension and is resilient to expand in an incision in the tissue. The body includes a trailing end defining concave receiving recess and a leading end defining a concave exiting recess. The flexible access device further includes a lumen disposed in the body and extending therethrough, the lumen communicating with the concave receiving and exiting recesses so as to receive an instrument with a non-linear shaft. | 04-22-2010 |
20100145278 | AGENT DELIVERY CATHETER HAVING ARTICULATING ARMS - An agent delivery catheter which has a support member comprising at least one articulating arm having an end fixedly secured relative to the shaft and having an anchor end section opposite to the fixed end. The articulating arm is biased to pivot at the fixed end away from the shaft, to transform from a low profile configuration to a high profile configuration in which the arm extends laterally away from the shaft and the anchor end section contacts the patient's body lumen wall, to support the shaft in the body lumen during delivery of an agent, for example by injection from a needle extended from the catheter into the wall of the body lumen. | 06-10-2010 |
20100152663 | Stylet for bilumenal flexible medical device - Utilizing the technology and methods disclosed, the characteristics of flexibility and rigidity for intralumenal devices, including coaxial two piece devices such as stylet and needle sets, can be adapted by a physician or device manufacturer according to the type of procedure, the patient size and unique anatomical challenges of a given procedure. Rigidity and flexibility are actively controlled by the operator at predefined portions of a device through rotating the stylet within the cannula to bring about alignments of customized notches to impart target flexibility or rigidity profiles at specific spots on the device. The device operator is able to alter the relationship and orientation of specific notched and non-notched segments of either or both the stylet and cannula that are strategically located at said critical points along the length of the device. | 06-17-2010 |
20100160862 | VARIABLE STIFFNESS INTRODUCER SHEATH WITH TRANSITION ZONE - An introducer sheath includes a lubricious inner liner having a passageway extending longitudinally therethrough, a reinforcing member positioned over the inner liner, and an outer jacket positioned longitudinally over the reinforcing member and the inner liner. The outer jacket has a higher durometer proximal portion, a lower durometer distal portion, and a transition zone between the proximal portion and the distal portion. The transition zone has a variable durometer from a junction with the outer jacket proximal portion to a junction with the outer jacket distal portion, to provide a transition between the higher durometer proximal portion and the lower durometer distal portion. | 06-24-2010 |
20100211012 | PORT FIXATION WITH FILAMENT ACTUATING MEMBER - The present disclosure relates to surgical access apparatus for positioning within a percutaneous tissue tract to facilitate access to an underlying surgical worksite. In one embodiment, the disclosed surgical access includes a housing with proximal and distal ends that is configured to removably receive at least one surgical instrument, a tubular member that extends distally from the housing along a longitudinal axis, a connective member that is secured to the tubular member, either internally or externally, at least one filament that is secured to the connective member so as to extend proximally therefrom, and at least one manual member that is secured to the at least one filament. | 08-19-2010 |
20100222744 | Medical Instrument - A medical instrument comprises a guide tube ( | 09-02-2010 |
20100280455 | NEEDLE-STENT DEVICE - An indwelling needle assembly includes an inner needle having a sharp needlepoint at a tip thereof, an inner needle hub fixed to an inner needle base, a hollow outer needle into which the inner needle is inserted, an outer needle hub fixed to the outer needle base, a tube connected to the base of the outer needle hub so that an inner cavity thereof communicates with an inner cavity of the outer needle, an opening formed at the base or the side of the outer needle so as to communicate with the inner cavity of the outer needle, a handling part, which is formed in the outer needle and by which the inner and outer needles are moved in a longitudinal direction thereof when the inner needle is inserted into the outer needle, and a locking means which is switchable, when the inner needle is inserted into the outer needle, between a locked state (i.e., the inner needle hub being locked to the outer needle hub) and an unlocked state (i.e., the locked state being released). | 11-04-2010 |
20100298774 | METHODS AND DEVICES FOR LAPAROSCOPIC SURGERY - Two part laparoscopic tools and surgical methods using such tools are presented. The tools and methods enable use of multiple surgical tools each having wide tool heads to be used in a body cavity using a single wide trocar and one or more narrow incisions, thereby reducing surgical risk and enhancing patient comfort and shortening recovery time. Additional instruments for facilitating laparoscopic surgery are also presented. | 11-25-2010 |
20100324486 | SURGICAL APPARATUS WITH ANNULAR PENETRATOR - A surgical apparatus for penetrating tissue includes an outer member defining a longitudinal axis and having an outer peripheral wall and an inner member at least partially disposed within the outer member. The inner member includes a penetrating member adjacent the distal end of the outer member. The penetrating member has a substantially annular peripheral edge adapted to penetrate tissue. The inner member and the outer member are adapted for relative longitudinal movement between first and second longitudinal positions. In the first position, the annular peripheral edge of the penetrating member is substantially confined within the outer peripheral wall of the outer member and wherein, in the second position, the annular peripheral edge is at least partially exposed from the outer peripheral wall to facilitate penetration through tissue. | 12-23-2010 |
20100324487 | LOW PROFILE, PIVOTAL CONNECTION INFUSION ASSEMBLY - This invention relates to therapeutic infusion assemblies, more specifically a device for the subcutaneous delivery of a fluid from a remote source. Applicant provides a base assembly which has a fluid channel therein and a cannula extending vertically downward from a flat bottom. A fluid connector member which receives a fluid bearing line from the remote fluid source and the fluid connector member pivotably and removably connects to the base member. The manner of connection is “hinged” allowing the fluid connector to move from a non-use position by rotation downward to a used position. In the use position a fluid channel in the fluid connector will connect with a fluid channel in the base to provide fluid to the cannula and to the patient. | 12-23-2010 |
20110015575 | SPINAL NEEDLE LIGHT GUIDE APPARATUS AND METHOD OF DELIVERY - In one embodiment there is provided a spinal needle having a cannula defining an interior hollowed region with a longitudinal length and opposite proximal and distal ends. The cannula includes an opening at its distal end. The spinal needle further includes a UV light source and a light transmission tube positioned within the cannula for transmitting UV light emitting from the UV light source. The light transmission tube having a length extending through the longitudinal length of the cannula and having a distal end positioned at or about the distal end of the cannula. | 01-20-2011 |
20110021994 | ACCESS DEVICE - An access device places a medical article within a body space of a patient. The device has a needle that includes an elongated body, a side fenestration on the elongated body, and a needle hub. The device further includes a dilator disposed on and slideable along the elongated body of the needle and a medical article. The medical article is disposed on and slideable along the dilator. The dilator and the needle form one or more spaces in communication with the side fenestration. At least portions of the dilator and the medical article are configured so as to allow visual determination of the presence of a bodily fluid within the space. The outer surface of the needle and the inner surface of the dilator can include a surfactant. Further, at least one of the needle and dilator can further comprise a vent in communication with the space that allows for the escape of air from the space and inhibits the escape of the bodily fluid from the space. | 01-27-2011 |
20110028903 | BONE VOID FILLING TUBE AND SHEAR MECHANISM - Apparatus and methods for delivering a clotted biological component (such as blood, autologous conditioned plasma (ACP), platelet-rich plasma (PRP), bone marrow aspirate (BMA), demineralized bone matrix, anticoagulants and/or clotting agents, or combination of these materials) into a tissue void (for example, a bone void such as a bone tunnel, socket, opening or cavity), and then cutting the clotted biological component with a cutting or shearing mechanism at the tissue surface. The apparatus is provided with a tube and a cutting or shearing mechanism (provided on or within the distal end of the tube) that is actuated to cut or break off the clot at the desired insertion length. The tube may then be placed over the next tissue void so that the obturator drives the next clot into the next tissue void until all tissue voids are filled. Upon insertion at the defect site, the biological component advances the healing of the damaged tissue and tissue growth. | 02-03-2011 |
20110040252 | Cannula Insertion Device and Related Methods - A cannula insertion device includes a housing defining an opening for receiving therethrough a cannula and further defining a channel, and a cannula forming a lumen, the cannula adapted for sliding movement within the housing from a retracted position to an extended position. When the cannula is in the retracted position, the lumen is located remotely from the channel and the channel is in fluidic communication with the opening. When the cannula is in the extended position, the lumen is in fluidic communication with the channel. | 02-17-2011 |
20110046554 | FLOATING SPINAL CANNULA AND METHOD OF USE - A spinal cannula for delivering a therapeutic agent to a spinal cord target includes proximal and distal end portions, a middle portion, and a deployable cannula member having distal and proximal end portions and a first lumen extending between the end portions. The spinal cannula includes a fluid delivery line operably connected to the proximal end portion of the deployable cannula member, and a fluid delivery line including a second lumen in fluid communication with the first lumen. The spinal cannula includes a support cannula proximally located from the deployable cannula member and securely connected to a portion of the fluid delivery line. Additionally, the spinal cannula includes a delivery cannula having distal and proximal end portions and a third lumen extending between the end portions for receiving the support cannula. The proximal end portion includes a locking mechanism for releasably engaging the proximal end portion of the support cannula. | 02-24-2011 |
20110054402 | INDWELLING NEEDLE ASSEMBLY AND METHOD OF USING THE SAME - An indwelling needle assembly, including an inner needle having a sharp needle point at a distal end thereof; an inner needle hub which is fixed to a proximal portion of the inner needle and which has a proximal end face; a hollow outer needle into which the inner needle is inserted; and an outer needle hub fixed to a proximal portion of the outer needle, the inner needle is adhered and fixed to the inner needle hub with an adhesive at a proximal portion thereof, and the inner needle hub is provided with a projected part formed by projecting the adhesive toward a proximal side relative to the proximal end face. | 03-03-2011 |
20110054403 | INDWELLING NEEDLE ASSEMBLY AND METHOD OF USING THE SAME - An indwelling needle assembly, includes an inner needle having a sharp needle point at a distal end thereof, an inner needle hub fixed to a proximal portion of the inner needle, a hollow outer needle into which the inner needle is inserted, and an outer needle hub fixed to a proximal portion of the outer needle. The indwelling needle assembly is designed to be used with a thumb in contact with a proximal portion of the inner needle hub. The inner needle hub is provided with a finger hold at the proximal portion thereof. At least a part of the finger hold is formed from a material less liable to slip on a medical glove. | 03-03-2011 |
20110118668 | CANNULA STABILIZER - An apparatus and method for stabilizing a cannula to a vascular structure. The stabilizer includes a ring that circumferentially surrounds the cannula. Three or more struts extend distally from the ring and are outwardly-deflected by a first angle relative to a first axis that is parallel to a lengthwise central axis of the cannula. Each strut includes a contact pad that radially extends from the strut and is distally-deflected by a second angle relative to a second axis that is orthogonal to the first axis. Three or more arms extend proximally from the ring and each arm opposes one of the struts. The arms are inwardly-deflected by a third angle relative to the first axis. The stabilizer is configured to move relative to the cannula until the contact pads engage the vascular structure, causing the arms to engage and resist further movement of the stabilizer relative to the cannula. | 05-19-2011 |
20110152773 | Trocar cannula device with retention feature - A trocar cannula is disclosed. The trocar cannula comprises a cannula having at least one tab member formed therein. Each tab member is configured to provide a retention force between the cannula and tissue when the tab member is placed in a deformed position. The tab member is selectively moveable between a relaxed position, in which the cannula may be moved with respect to the tissue, and the deformed position, wherein the tab member frictionally engages the tissue. | 06-23-2011 |
20110160672 | TROCAR SLEEVE - A trocar sleeve includes a distal tubular section, a section which connects to the distal tubular section at a proximal side of the distal tubular section and which is widened proximally, and at least one spiral with a circular outer contour, arranged helically on a periphery of the distal tubular section. The distal tubular section includes a rounded polygonal cross section so that maximal degrees of freedom of the applied instruments result. | 06-30-2011 |
20110251558 | PORT FIXATION WITH FILAMENT ACTUATING MEMBER - A method for performing a surgical procedure includes the steps of: accessing a surgical site with an access member, the access member having proximal and distal ends, and defining a longitudinal axis, the access member having an elongated element operatively connected thereto; transitioning the access member from a first condition having a first dimension orthogonal to the longitudinal axis to a second condition having a second dimension orthogonal to the longitudinal axis greater than the first dimension by drawing the elongated element in a proximal direction; anchoring the access member within a tissue passage leading to the surgical site when in the second condition thereof; and introducing a surgical object through a longitudinal opening of the access member to perform a surgical task. | 10-13-2011 |
20110276001 | Therapeutic Delivery Device - Methods and device are provided for delivery of biologics to an intervertebral disc. Device described herein include a needle assembly and handle assembly that optimize biologic delivery parameters to a target location within a disc. The needle assembly includes the capability of advancing into the disc at pre-configured pathways that allow for minimized damaged and maximized positioning of the biologic. | 11-10-2011 |
20110319825 | CATHETER ASSEMBLY WITH SEAL MEMBER - A catheter assembly includes a catheter hub defining an interior cavity and a catheter tube extending distally thereof. A rigid actuator extends proximally in the interior cavity and supports a seal member thereon. The seal member includes a central membrane, a distal portion, and a proximal portion. An hourglass shaped actuator cavity is formed in the distal portion and receives a barbed end of the actuator. The outer surface of the seal member is in partial circumferential engagement with the catheter hub to define an air path that allows fluid communication between areas of the interior cavity distal and proximal of the seal member. A punch tool is provided to form a tri-slit in the membrane of the seal member. The seal member may be configured for multi-use and include a biasing member that moves the seal member to force the membrane back over the actuator to close the membrane. | 12-29-2011 |
20120004611 | SOFT DUAL-LAYER RECTAL SPECULUM - A soft dual-layer rectal speculum includes a main tube member having a distal end for insertion into a patient's rectum and a proximal end for connection to a waste removal hose where at least a portion of the main tube member includes an inner hard layer and an outer soft layer, and an inlet tube member for directing fluids into the main tube member. The inlet tube member may include a swivel mechanism and the portion of the main tube member having an inner hard layer and an outer soft layer may include a measurement gauge that is visible through the outer soft layer but can't be felt through the outer soft layer. A rectal speculum assembly includes the soft dual-layer rectal speculum described above and an obturator which includes an elongated member having a tapered distal end capable of extending through the distal end of the main tube member. The tapered distal end of the obturator may be made of a soft, pliable material or an inner hard layer (or member) and an outer soft layer. | 01-05-2012 |
20120083739 | RETAINER FOR IMMOBILIZING AN IMPLANTED CATHETER DURING STYLET RETRACTION, AND STYLET HOLDER FOR USE WITH SAME - Devices, systems, and methods for immobilizing an implanted catheter tip while a catheter stylet is withdrawn from the catheter. In one embodiment, a cannula system is included that incorporates a catheter retainer securable to an immobilized guide cannula. The retainer may include one or more surfaces that operatively engage the catheter and effectively restrain the catheter relative to a head of the guide cannula. Other embodiments may also include a stylet holder operable to engage the stylet with a consistent and repeatable clamping force that is independent of clinician-applied force. | 04-05-2012 |
20120089092 | METHOD FOR PROVIDING SURGICAL ACCESS - One embodiment is directed to a method for advancing a needle into a tissue structure, comprising: advancing a distal end of a needle insertion assembly, the assembly comprising an insertion member coupled to a tissue interface indentor member and movably coupled to an elongate needle member, against a targeted tissue structure such that a distally protruding shape feature of the tissue interface indentor member engages one or more portions of the targeted tissue structure adjacent a distal tip of the elongate needle member at a position at which the elongate needle member distal tip is configured to be advanced through the insertion member and into the tissue structure, and locally changes an available angle of penetration between such portions and the distal tip of the elongate needle member; and inserting the elongate needle member relative to the insertion member and tissue interface indentor member. | 04-12-2012 |
20120095403 | SYSTEM FOR PROVIDING SURGICAL ACCESS - One embodiment is directed to a system for advancing a needle into a tissue structure, comprising: an elongate needle member having a tapered distal tip; an insertion member having proximal and distal ends, the distal end being coupled to the elongate needle member, and the proximal end being configured to be manipulated by an operator; and a tissue interface indentor member coupled to the insertion member and operatively coupled to the elongate needle member, the tissue interface indentor member comprising a distally protruding shape feature configured to contact one or more portions of the tissue structure adjacent to the distal tip of the elongate needle member and change an available angle of penetration between such portions and the distal tip of the elongate needle member as the distal tip is inserted into tissue structure. | 04-19-2012 |
20120095404 | Echogenic Nerve Block Apparatus and System - An apparatus for performing a nerve block procedure, the apparatus being composed of an echogenic needle or an echogenic soft tissue tunneling device and an echogenic catheter configured for controlled delivery of a medication. The apparatus may further include a sheath such that at least one of the needle or tunneling device and sheath is echogenic. The present invention also encompasses a system for performing a nerve block procedure, the system includes introducing an echogenic needle in the general area of a nerve bundle, positioning the echogenic needle adjacent the nerve bundle utilizing sonic imaging techniques, introducing an echogenic catheter configured for controlled delivery of a fluid through the echogenic needle, withdrawing the echogenic needle, positioning the echogenic catheter adjacent the nerve bundle utilizing sonic imaging techniques, and delivering fluid to the nerve bundle through the echogenic catheter. | 04-19-2012 |
20120116312 | SURGICAL INSERTION APPARATUS - An apparatus for inserting and reinserting a medical device in a patient comprising a medical device such as an intrathecal catheter, electrical lead and lead wire, a sheath for being inserted into the patient using a hollow medical device so that once the sheath is inserted subcutaneously into the patient, the sheath receives the medical device and the medical device can be positioned in the patient; and, a separation portion carried by the sheath so that the sheath receives the medical device. The sheath can be removed from around the medical device by using the separation portion so that the medical device can be inserted in the patient without having to remove the medical device completely from the patient thus eliminating the requirement for a second incision. | 05-10-2012 |
20120136308 | NEURAL INJECTION SYSTEM AND RELATED METHODS - A novel neural injection system and related methods are herein disclosed. Various embodiments of an embodiment of a neural injection system of the present invention provide for at least one benefit of enhanced injection characteristics, increased operational efficiency, reduced cost per unit, reduced incidence of injury through intraneural/intravascular injection, reduced incidence of injury through pricking/piercing, and/or the like. | 05-31-2012 |
20120136309 | Introducer Assembly and Method For Forming an Introducer Assembly - An introducer assembly includes a sheath having a sheath proximal end and distal end, and a passage therethrough. The introducer assembly further includes a handle assembly that is mechanically and/or bonded coupled with a tubular sheath. | 05-31-2012 |
20120143134 | Method of Performing Laparoscopic Surgery Using a Multi-Access Channel Surgical Trocar - The present invention provides a method of performing laparoscopic surgery using a surgical trocar including an elongated trocar passageway and an access channel disposed in spaced relationship to each other. The access channel includes a gas seal to prevent gas leakage while the access channel is in use, and a valve to close the access channel when not in use. Once, the trocar is inserted into the body cavity, the access channel allows access of catheters and or other small diameter devices without the need for making extra incisions. This allows continued use of the trocar while utilizing the access channel, giving it a dual function usage. The access channel allows devices to be angled away from the trocar once inside the body cavity making device manipulation easier. | 06-07-2012 |
20120150117 | INFUSION LINE - An intravenous (IV) line ratchet system is used to start an intravenous line to introduce or withdraw fluids from the vasculature of a patient. The IV line ratchet system includes a rotating member that causes a needle and catheter to be inserted into the vasculature of the patient. The rotating member further causes the needle to be removed from the vasculature of the patient while the catheter remains in the vasculature of the patient. | 06-14-2012 |
20120165736 | MEDICATION INFUSION SET - An infusion set is provided for use in delivering fluid through a cannula, which is housed on a cannula housing, to a selected subcutaneous infusion site on a patient. The fluid is generally a medication, e.g., insulin. The cannula is in fluid communication with a fluid passageway surrounded by a projection on the cannula housing that includes one or more rail-like extensions acting as guides. A connector connects the cannula housing to a fluid delivery system, e.g., an infusion pump. The connector includes a needle, one or more guide arms that slide over the rail-like extensions to guide the needle into the self-sealing septum, and one or more locking arms, with barbs at the end, to connect with corresponding recesses in the cannula housing. An introducer having one or more similar guide arms and locking arms, and a longer needle, may be used to insert the cannula into the patient. | 06-28-2012 |
20120172805 | ROTATIONAL ORIENTATION INDICATING HOLLOW NEEDLE ASSEMBLY - A rotational orientation indicating hollow needle assembly having a needle, stylet, and hub. A hub sidewall has at least one external surface with at least one humanly tactilely discernible surface feature indicating the rotational relationship between the hub and the needle. Any portion of any of the assembly may bear indicia, or may be color-coded, to represent the size (gauge) of the needle, or needle type as an additional guide. In an exemplary embodiment the hub may be configured with two bevel face orientation features and two bevel orthogonal orientation features alternately spaced in a radial manner about the hub. An operator pinching the hub between a thumb and forefinger thus immediately feels these orientation features. When the assembly is rotated between the thumb and forefinger, these differing orientation features rotate as well, and the difference in tactile sensation immediately alerts the operator to the position of the needle bevel. | 07-05-2012 |
20120184908 | Inserter Device with Horizontal Moving Part - The invention concerns an insertion device for inserting a medical device or a part of medical device into the subcutaneous or intramuscular area of a patient. Insertion devices (also called inserter or injector) are commonly used in the medical field for inserting medical devices, such as infusion sets, sensors and the like, through the skin of a patient in a more or less automated fashion. The present application relates to an insertion device comprising—a penetrating member ( | 07-19-2012 |
20120184909 | Delivery Device with Sensor and One or More Cannulas - The invention concerns a base part for a medication delivery device. The base part is during use fastened to a patient's skin and connected to a cannula part which cannula part is positioned at least partly subcutaneous. The base part is also connected to a sensor unit which can detect one or more components e.g. glucose content in the patients blood. The base part comprises fastening means ( | 07-19-2012 |
20120209201 | CATHETERIZATION SYSTEM - The present disclosure relates to catheterization systems and components thereof. In one embodiment of the present disclosure, a catheterization system is disclosed that includes a catheter including a body with proximal and distal ends and defining first and second lumens extending therethrough, and a stylet. The stylet includes first and second stylet portions each having proximal and distal end regions, wherein the distal end regions of the first and second stylet portions together define a tapered penetrating portion. The first and second stylet portions are configured and dimensioned to be slidably positioned within the first and second lumens of the catheter, respectively. The first and second stylet portions extend from the proximal end of the catheter and beyond the distal end of the catheter, and are independently movable in relation to each other to facilitate selective removal of the first stylet portion and/or the second stylet portion from the catheter. | 08-16-2012 |
20120220943 | NEEDLE DEVICE - An inner hub ( | 08-30-2012 |
20120238956 | Microaccess Kit Comprising A Tapered Needle - The present technology is directed to introducer needle assemblies comprising a tapered needle; as well as to kits comprising a tapered needle, a guidewire and a dilator and sheath; as well as to methods of introducing a dilator to the interior of a patient's body as part of an interventional procedure. | 09-20-2012 |
20120330241 | METHOD FOR USING RETRACTABLE STYLET AND CANNULA COMBINATION TO FORM AN OPENING IN BONE - In one preferred aspect, a method is provided for forming an opening in bone for the sequential dilation of tissue. | 12-27-2012 |
20130085449 | INSERTION DEVICE FOR A MEDICAL CONDUIT - The invention provides an insertion device for insertion of conduits into a body that, before and following deployment of the conduit into the body, has no components that require insertion into or removal from the device. Additionally, the device includes a component that not only prevents re-use or reopening of the device once it is activated, but also provides feedback to the user in the form of a resistance force to activation that must be overcome by the user to deploy the conduit. | 04-04-2013 |
20130131596 | NEURAL INJECTION SYSTEM AND RELATED METHODS - A novel neural injection system and related methods are herein disclosed. Various embodiments of an embodiment of a neural injection system of the present invention provide for at least one benefit of enhanced injection characteristics, increased operational efficiency, reduced cost per unit, reduced incidence of injury through intraneural/intravascular injection, reduced incidence of injury through pricking/piercing, and/or the like. | 05-23-2013 |
20130197443 | OBTURATOR TIPS - A trocar assembly for use in minimally invasive surgical procedures includes a cannula subassembly and an obturator subassembly. The obturator assembly includes an obturator shaft member defining a longitudinal axis and an obturator tip configured to be removable from the obturator shaft member or, alternatively, constructed with the obturator member as a single unit. Various designs of the obturator tip are contemplated. | 08-01-2013 |
20130317437 | HIP OBTURATOR AND METHOD FOR ATRAUMATIC HIP ACCESS - An obturator provides access to a joint through a capsule surrounding the joint. A distal end of the obturator has a first distal location with a first width dimension and a second distal location with a second width dimension, wherein the second distal location is proximal to the first distal location and the second width dimension greater than the first width dimension. A retractable blade can extend from the obturator to be exposed between the first distal location and the second distal location. | 11-28-2013 |
20130345634 | DELIVERY DEVICES, SYSTEMS AND METHODS FOR DELIVERING THERAPEUTIC AGENTS - Delivery devices, systems, and methods are configured to increase the retention of the therapeutic agent, and thereby increase the dose of the agent delivered. The delivery device may include a delivery body and a retractable member configured to move with respect to the delivery body. The retractable member may include a puncture member configured to create a delivery channel at the treatment site. The body may include an opening through which an agent may be delivered after the retractable member has been retracted within the device. | 12-26-2013 |
20140018737 | TUNNELER DEVICE WITH INTEGRATED FLUID ASSEMBLY - A tunneler device includes a handle, a shaft extending distally from the handle, a connecting segment, a fluid channel, and a one-way flush valve. The connecting segment includes a body positioned on a distal end of the shaft configured to engage one end of a catheter. The fluid channel extends from the handle to a distal end of the connecting segment. The fluid channel is configured to direct fluid to be selectively passed therethrough for flushing a catheter. The one-way flush valve is supported on the handle and is disposed in fluid communication with the fluid channel. | 01-16-2014 |
20140039398 | NEEDLE AND GUIDEWIRE HOLDER - Device and method for puncturing blood vessels while using fluoroscopy. The disclosed device enables improved needle orientation control and avoids direct exposure of the clinician's hand to X-ray during the puncturing procedure. | 02-06-2014 |
20140066854 | CATHETER TUNNELER WITH LARIAT MEMBER - A tunneler device is provided which includes a handle, a shaft supported on distal end of the handle, and a body positioned on a distal end of the shaft. The body supports an extension segment and a lariat member. The lariat member includes a rod that supports a capturing element. The capturing element is at least partially positioned about a perimeter of the extension segment in a spaced apart relationship with the extension segment, wherein the extension segment and the capturing element define an annular channel dimensioned to receive a catheter. | 03-06-2014 |
20140074031 | INTEGRATED CATHETER SECUREMENT AND LUER ACCESS DEVICE - A Luer securement device comprising a Luer adapter having a septum and a catheter hood, the Luer adapter further having a wedge seal for receiving a base portion of a catheter. The Luer securement device further includes an inserter body in which is slidably housed a catheter threader having a probe which is configured to advance a base portion of a catheter through the septum thereby seating the base portion of the catheter into the wedge seal of the Luer adapter as a tip portion of the catheter is inserted into a patient. The catheter threader further includes a needle adapter having a needle which is threaded through the probe and the catheter to assist in inserting the catheter into the patient. Following insertion of the catheter, the catheter threader is retracted within the inserter body thereby withdrawing the needle from the catheter and shielding a sharpened tip of the needle within at least one of the inserter body and the catheter threader. The inserter body is then detached from the Luer adapter and discarded. | 03-13-2014 |
20140088510 | Methods and Apparatus for Inserting Multi-Lumen Split-Tip Catheters Into a Blood Vessel - A catheter assembly includes a catheter, a first intra-catheter stiffener element, and a second intra-catheter stiffener element. The catheter includes a first lumen in fluid communication with a first distal opening and a second lumen in fluid communication with a second distal opening. The first intra-catheter stiffener element is configured for disposition through the first lumen such that a distal end thereof extends distally of the first distal opening, the first intra-catheter stiffener element including a first coupler at a proximal end thereof. The second intra-catheter stiffener element is configured for disposition through the second lumen such that a distal end thereof extends distally of the second distal opening, the second intra-catheter stiffener element including a second coupler at a proximal end thereof. | 03-27-2014 |
20140358087 | DEVICES FOR CREATION OF MULTIPLE VASCULAR ACCESS SITES - Various medical procedures benefit from the creation of multiple access sites in a single anatomical vessel. For example, in some cardiac procedures, a plurality of catheters may be introduced into a single blood vessel through a corresponding plurality of access sites. The present application discloses devices for creating multiple access sites in a vessel and methods of using the same. | 12-04-2014 |
20140358088 | ELONGATED MEDICAL MEMBER - An elongated medical member includes: an insertion portion having a long length, which is provided with a lumen through which an operation treatment instrument for carrying out a predetermined medical action can be penetrated; a guide portion for guiding the insertion portion, which is extended from a distal end of the insertion portion; and a holding portion provided at a distal end part of the guide portion, the holding portion insertably and removably holding the operation treatment instrument so as to allow the operation treatment instrument to be removed when the operation treatment instrument is pulled toward a proximal end side. | 12-04-2014 |
20140378904 | APPARATUS FOR HANGING DROP DETECTION OF EPIDURAL SPACE PENETRATION - The invention provides improved apparatuses and related methods for the detection of needle penetration into negative pressure corporal spaces such as the epidural space. In one aspect, the invention provides a needle hub that includes a fluid reservoir chamber and a plunger engaged therewith, so that insertion of the plunger into the chamber displaces fluid causing a hanging drop to form. | 12-25-2014 |
20150025465 | Sacrificial Catheter - A sacrificial catheter assembly and method of use for placing a functional catheter within the body of a patient, such as into the patient's vasculature, is disclosed. In one embodiment, the sacrificial catheter assembly comprises a sacrificial catheter including an elongate body that defines a longitudinally extending lumen. A stylet is removably received within the lumen of the sacrificial catheter such that the catheter and stylet can be advanced together to a target destination within the body of the patient. The sacrificial catheter is configured so as to then be proximally slid over the stylet to remove the sacrificial catheter from the body while the stylet remains in place at the target destination. A functional catheter can then be distally slid over the stylet to place the functional catheter at the target destination. The stylet can then be removed from the body of the patient. | 01-22-2015 |
20150038908 | OVER THE NEEDLE CATHETER WITH CURVILINEAR SLIT - An over-the-needle catheter having a curvilinear slit formed therein to allow for infusion of fluids through the catheter and into the blood vessel of the patient in the event of blockage of the primary opening of the catheter. | 02-05-2015 |
20150045736 | NEEDLE SAFETY DEVICE FOR MEDICAL DEVICES - A needle safety device for a medical device, in particular for an IV catheter assembly, being movably arranged on the needle comprising: a first part made of a suitable plastic material; a second part preferably made of a strip of suitable metal sheet; and a ring surrounding the first part and the second part having elastic properties made of suitable elastomeric material. | 02-12-2015 |
20150088072 | INTRODUCER SHEATH AND METHODS OF MAKING - An introducer sheath and methods of making the introducer sheath are described. The introducer sheath may include a hub portion and a tubular portion. The hub portion may include a substantially non-planar valve portion in a relaxed state. The valve portion may include an aperture configured to receive a medical device. A hub portion may be formed using a forming device. An aperture may be formed through a distal surface of the valve portion. A valve portion may be formed in a cap defining a cavity sized to elastically receive a proximal end of the hub portion. | 03-26-2015 |
20150105727 | HUBER NEEDLE ASSEMBLY WITH SAFETY CAPTURE DEVICE - A Huber needle assembly with safety capture device includes at least a body, a needle, and a movable arm. The movable arm is pivotable relative to the body, and includes a capture hood at a distal end thereof. The capture hood is cylindrical, includes a perimeter side wall having an outer face and an inner face, and has open proximal end. The capture hood includes a slot through the perimeter side wall, providing access into an internal chamber defined by the perimeter side wall. The slot extends longitudinally over at least a portion of the length of the capture hood, and at least a portion of the slot has a width less than the outside diameter of the needle to capture a tip of the needle therein when the movable arm pivots to a safety-capture position. | 04-16-2015 |
20150306351 | SYSTEMS AND METHODS FOR PROVIDING AN INTEGRATED PACKAGE AND GRIP FOR CATHETER - An integrated individual package and an introducer needle or wire for placing a catheter in a patient's vasculature, wherein the package doubles as a grip for placing the catheter. Prior to activation, the catheter is coaxially and slidably disposed over the introducer needle and the catheter and introducer needle assemblies are contained within the integrated package grip. The device is activated as the catheter and introducer needle assemblies are simultaneously transitioned from a closed position to an open position wherein the catheter and introducer needle assemblies are oriented for insertion into a patient's vasculature. Following placement of the catheter in a patient's vasculature, the device is deactivated as the introducer needle is withdrawn and transitioned from the open position to resume the closed position. The package grip comprises a sharps shuttle to protect a clinician from needle stick injuries. | 10-29-2015 |
20150313632 | OBTURATOR WITH INSTRUMENT RETENTION - A surgical device having an obturator that includes a sidewall having an arcuate outer surface is disclosed. The sidewall may have an arcuate inner surface that defines a central longitudinal channel into which an instrument may be inserted. The sidewall may also define at least one bore extending between the arcuate inner and outer surfaces of the sidewall. An instrument retention element engages the arcuate outer surface of the obturator such that the instrument retention element extends radially into the bore. At least a portion of the instrument retention element may extend radially inward of the arcuate inner surface so as to engage, and restrict relative movement of, an instrument inserted into the central longitudinal channel of the obturator. | 11-05-2015 |
20150342636 | Medical Devices Having a Releasable Member and Methods of Using the Same - Medical devices having a releasable member are described. Methods of using medical devices having a releasable member are also described. An example medical device comprises an elongate member, an intermediate member, a sheath, and a cap. Each of the intermediate member, sheath, and cap are releasably disposed on the elongate member. | 12-03-2015 |
20150343173 | CATHETER OR CANNULA ARRANGEMENT WITH UNIT FOR MONITORING LENGTH OF STAY OF THE SAME IN A BODY - A catheter or cannula arrangement includes a catheter or cannula and a security unit for monitoring a length of stay of the catheter or cannula in a body. The security unit includes a signaling unit, an activation unit, and a timer unit. The signaling unit emits a first signal. The activation detection unit detects a first event and produces a second signal indicative of the first event detection. The timer unit receives the second signal and starts a time duration measurement in reaction thereto, and produces and transmits to the signaling unit a third signal as soon as the measured time duration is reaches a preset time value. The signaling unit emits the first signal in reaction to receiving the third signal. The first event can be an at least partial extraction of a needle from the catheter or cannula. | 12-03-2015 |
20150351793 | ACCESS DEVICE - An access device for placing a medical article within a body space includes a needle, a dilator, and a medical article. The needle can include an elongated needle body with a distal end and a hub from which the needle body extends. The elongated needle body can include at least one side fenestration and an outer diameter. The dilator can be slideably disposed on the needle body and include a dilator hub and an elongated dilator shaft that extends from the dilator hub. The dilator shaft can include at least one side fenestration in communication with the needle side fenestration. The dilator shaft can also include an inner diameter that is less than the outer diameter of the needle. The medical article can include a tubular section and a hub. The tubular section can be disposed on the dilator and define a space between the medical article and the dilator in communication with the needle side fenestration through the dilator side fenestration. At a least portion of the medical article can be configured to allow visual determination of the presence of a body fluid within the space. | 12-10-2015 |
20150352323 | COUNTING APPARATUS FOR USE IN INTERVENTIONAL PROCEDURES - An apparatus is for use in connection with an implement for being inserted into a vascular space. The apparatus includes a body having a passage adapted for receiving the implement. A counter is provided for counting the amount the implement moves through the passage of the body. A kit may include a first counter adapted for use with a first device having a first diameter for being inserted into the vasculature, and a second counter adapted for use with a second device having a second diameter for being inserted into the vasculature. Related methods are also disclosed. | 12-10-2015 |
20150352331 | Catheter-Dressing Systems With Integrated Flushing Mechanisms - Methods and devices are disclosed herein that generally involve a sterile catheter-dressing system that allows for integrated injection of fluids, e.g., a saline flush, during the process of catheter insertion and sterile dressing placement. Such methods and devices can be used as a fully integrated catheter insertion system, or to convert existing catheter insertion devices and methods into integrated flush and sterile sealing catheter-dressing systems. Such methods and devices can greatly simplify the catheter insertion process, and can allow the reproducible placement of a fully sterile and flushed vascular catheter, as well as the placement of a durably sterile circumferentially sealing and securing dressing. | 12-10-2015 |
20160015932 | Peripheral Catheter - Catheter assemblies that can reduce the occurrence of kinking of a catheter when the catheter assembly is secured to a surface of the patient's skin are provided herein. In accordance with various aspects, the catheter hub is shaped such that a catheter extending therefrom lies substantially flat on the patient's skin and/or the distance between the orifice from which the catheter hub extends and the surface of the patient's skin when the catheter assembly is secured thereto is minimized, thereby reducing the stress experienced by the catheter when the catheter hub is secured to the skin. | 01-21-2016 |
20190142454 | LAPAROSCOPIC PORT PERFORATION AND CLOSURE DEVICE | 05-16-2019 |