Patent application title: Catheter Terminus Protective Cover
Jane Angstrom (Danvers, MA, US)
Nicholas R. Powley (St. Paul, MN, US)
Nicholas R. Powley (St. Paul, MN, US)
Janik Medical, Inc.
IPC8 Class: AA61M2500FI
Class name: Treating material introduced into or removed from body orifice, or inserted or removed subcutaneously other than by diffusing through skin material introduced or removed through conduit, holder, or implantable reservoir inserted in body removable cover or protector for body inserted conduit
Publication date: 2010-07-22
Patent application number: 20100185160
A catheter terminus protective system comprising a base panel having a
pair of adjoining flaps, an adhesive patch on at least one of the flaps
for securing at least one catheter terminus from which a catheter line
extends, the flaps being relatively moveable between secured closed
positions in which they form a protective enclosure for the catheter
terminus, and free open positions in which they allow manual access to
said catheter terminus. An original catheter line extends from the
protective enclosure when the flaps are in the closed positions and may
be replaced by an alternative catheter line when the flaps are opened.
The flaps are constituted by a fluid impermeable facing and a fluid
absorbent backing in superposition.
1. A catheter terminus protective system comprising:(a) an elongated base
panel comprised of a base section having an upper flap and a lower flap
delimited by a fold line, longitudinal side sections, and a pair of
opposed ends, at least a portion of the side sections having a
pressure-sensitive adhesive,wherein the base panel being folded at the
fold line such that the flaps are congruent and each of the side sections
contacts and adheres to itself, wherein a protective enclosure for a
catheter terminus is formed, the enclosure having three completely closed
sides, one of the enclosed sides being at the fold line, and a fourth
side opposite the fold line having an opening from which the catheter
extends from the protective enclosure.
CROSS-REFERENCES TO RELATED APPLICATIONS
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT
REFERENCE TO A SEQUENCE LISTING, A TABLE, OR A COMPUTER PROGRAM LISTING COMPACT DISK APPENDIX
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to medical catheters, which directly access vessels, cavities, and diseased regions of the body to enable intravenous infusion of medications, dialysis, and other medical treatments. More particularly, the present invention relates to the protection of subclavian and interjugular catheters.
2. Description of the Related Art
Typically, subclavian and interjugular catheters have an interior end, which extends during a regimen through a surgical or natural passage into or from the body, and an exterior end, which remains during the regimen outside the body for connection to a fluid source, repository, or processor. During the regimen, while the interior end remains fixed in place in the body, the exterior end may be disconnected and reconnected to a variety of medical devices during a prolonged period. When the exterior end of the catheter is exposed, clamps and injection caps typically keep blood, debris, and medication from leaking out. In order to prevent non-sterile exposure of the injection cap, a technician may wrap gauze pads around the injection caps and may secure the pads with adhesive tape. Although, for ease of explanation, a single catheter line and single injection cap are described hereinafter, multiple catheter lines and injection caps are contemplated.
Problems have arisen because there are no uniform standards for catheter length, configuration, or introduction at the surgical entry. As a result, there is no standard procedure for protecting the clamps, lines, injection caps from contamination or for preventing discomfort of the patient. Poorly wrapped dressings may fall off, leaving the injection caps open to contamination. Manipulating catheter input lines in attempts to remove such a dressing is unwieldy, time consuming, and often requires replacement of the catheter. The configuration and stability of the catheter at the surgical entry has been a matter of chance and has not been based carefully on the comfort of the patient.
BRIEF SUMMARY OF THE INVENTION
The object of the present invention is to provide a cover for a clamp, line, and catheter injection cap (collectively, catheter terminus) in the form of a folder which comprises an elongated base panel and a medial transverse crease that divides the folder into two flaps. With the flaps open, the catheter terminus may be securely positioned by a pressure-sensitive pad on one of the flaps with the adjoining end of the catheter terminus extending longitudinally and outwardly beyond the extremity of the base panel toward the surgical entry. With the flaps closed, the catheter terminus may be securely enclosed between the flaps by pressure-sensitive adhesive tabs. The catheter terminus may be accessed for disconnecting or reconnecting the catheter to external lines merely by peeling back the pressure-sensitive tabs and opening the flaps. The flaps, when open, provide a stable base that may be firmly seated on the body of a patient so that manipulation of the catheter terminus will not cause discomfort. The flaps, when closed, provide a sterile environment for the catheter terminus and minimal movement of the line at the surgical entry. Preferably, the base panel is configured from a base section and a pair of longitudinal side sections the are contiguous with the base section. The base section and, optionally, the side sections, are composed of a laminate which comprises a nonabsorbent facing for retaining moisture, fluid, and debris, and an absorbent backing for limiting and controlling the escape of the moisture, fluid, and debris when the flaps are opened and closed.
BRIEF DESCRIPTION OF THE DRAWINGS
For a fuller understanding of the nature and object of the present invention, reference is made to the accompanying drawings, wherein:
FIG. 1 is a plan view of a base panel from which the catheter terminus cover of the present invention is configured;
FIG. 2 is a perspective view of a catheter injection cap, clamp and line that is to be protected and manipulated in accordance with the present invention;
FIG. 3 is a plan view of the blank of FIG. 1 in a beginning stage of formation;
FIG. 4 is a plan view of the blank of FIG. 1 in an intermediate stage of formation;
FIG. 5 is a plan view in partial phantom of the finally formed cover of the present invention;
FIG. 6 is an exaggerated cross-section of the fully configured cover taken along the line 6-6 of FIG. 45; and
FIG. 7 is a grossly exaggerated cross-sectional view of the laminate of which the base panel of the present invention is composed.
DETAILED DESCRIPTION OF THE INVENTION
The catheter terminus protective system 10 of the present invention is designed to be inexpensively manufactured, shipped flat, and conveniently configured into the folder of the present invention. Its essential purpose is to provide an enclosure for the protection of a catheter terminus which is at an exterior terminal of a catheter that is being deployed or has been deployed within a surgical or natural passage in a patient's body. Typically, such a catheter terminus 18, shown in FIG. 2, has a rubber plug 20 that may be penetrated by a hollow needle, through which fluid may be transmitted via a tube or line 24 through the aforementioned surgical or natural entry into the patient's body. The line has a clamp 22 for controlling the flow of fluid in the line 24.
As shown in FIG. 1, the catheter terminus protective system 10 of the present invention has an elongated base panel 12 which is comprised of a base section 26, a pair of longitudinal side sections 30, and a patch 32 affixed to the upper part of the base section 26. The patch 32 has a pressure-sensitive adhesive surface by which one or more catheter termini 18 may be secured when the cover is fully configured.
As shown in FIG. 3, the catheter terminus 18 is positioned on the patch 32 with the adjoining end of the tube 24 extending longitudinally and outwardly beyond the extremity of the base section 26 toward the surgical or natural entry in the patient's body. As shown in FIG. 4, the configuration of a cover 10 is begun by folding the base panel 26 along a score or mark 38. The result is an enclosure of two congruent flaps 42, 44, a plan view of which is shown in FIG. 4 and a cross-section of which is shown in FIG. 6. Preferably, each side section 30 has a pair of pressure-sensitive regions 34, 36. When the base panel 12 is folded, the pressure-sensitive regions 34, 36 contact each other and form a closure at the side sections 30.
As shown in FIG. 5, the enclosure so formed is secured by a pair of pressure-sensitive adhesive tabs 46, which extend upwardly from the side sections 30 and which are folded over the lower flap 44. With the flaps 42, 44 closed and tabs 46 secure, the catheter terminus 18 is securely contained within a compartment 48 defined by the flaps 42, 44. The catheter terminus 18 within the compartment 48 may be accessed for disconnecting or reconnecting the catheter to external lines merely by peeling back the pressure-sensitive tabs 46 and opening the flaps 42, 44. The flaps 42, 44, when open, provide a stable seat that may be firmly positioned on the body of a patient so that manipulation of the catheter terminus 18 will not cause discomfort. The flaps 42, 44, when closed, provide a semi-sterile environment for the catheter terminus 18 and minimal movement of the line at the surgical or natural entry into the body.
As shown in FIG. 7, the base panel 12 is composed of a laminate which comprises a fluid impermeable facing 50 for retaining moisture, fluid, and debris, and an absorbent backing 52 for enabling efficacious manipulation of the configured folder assemblage by catching and controlling any moisture, fluid, and debris that may escape when the flaps 42, 44 are opened and closed. In one configuration, shown in FIG. 7, the side sections 30 have only the absorbent backing 52 and the base section 26 has both the nonabsorbent facing 50 and absorbent backing 52. In another configuration, the entire base panel 12 has both the non-absorbent facing 50 and the absorbent backing 52.
Optionally, one and/or both surfaces of the base panel 26 are impregnated or coated with anti-bacterial and/or other antiseptic materials. Optionally, the outer surface of the lower flap 44 has a writable label 54, as shown in FIG. 5. Optionally, a pressure sensitive adhesive pad with an optional covering is attached to one and/or both surfaces of the base panel 26 for fixing the present device to the patient.
Thus it has been shown and described a catheter cover which satisfies the objects set forth above.
Since certain changes may be made in the present disclosure without departing from the scope of the present invention, it is intended that all matter described in the foregoing specification and shown in the accompanying drawings be interpreted as illustrative and not in a limiting sense.
Patent applications by Nicholas R. Powley, St. Paul, MN US
Patent applications in class Removable cover or protector for body inserted conduit
Patent applications in all subclasses Removable cover or protector for body inserted conduit