| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 128203280 | Including expandable bag, bellows, or squeeze bulb | 14 |
| 20090260628 | MULTIPURPOSE THERAPEUTIC FACE MASK - A therapeutic face mask comprises a face-engaging portion and a single connector having a mask-engaging end and a single treatment-receiving end which has a single attachment mounting for detachably sealingly receiving a treatment attachment, such as an oxygen reservoir bag or a nebulizer. A one-way inhalation valve in the connector permits fluid flow from the treatment-receiving end to the mask-engaging end during inhalation and inhibits fluid flow in the other direction. The mask also includes a valve-governed exhalation port and an anti-asphyxia valve assembly configured to permit fluid flow from ambient to the face-engaging portion during inhalation only when inspiratory effort during inhalation exceeds fluid flow to the treatment-receiving end of the connector. Also provided is an oxygen reservoir bag having a neck shaped for removable coupling to a mating connector of a therapeutic face mask. An oxygen reservoir bag may have a metered-dose inhaler port defined in its neck. | 10-22-2009 |
| 20100071694 | Nitrous Oxide Anesthetic Administration System - The present invention is a system for administering nitrous oxide. The system includes an adjustable post mechanism attached to a dental chair. A mounting surface structure includes a top surface and a bottom surface. The bottom surface of the mounting surface structure attached to a top end of the adjustable post mechanism. A fluid control system for controlling the flow of nitrous oxide and oxygen is attached to the mounting surface structure. A nitrous oxide and oxygen supply, vacuum source, a breather bag, and a nasal delivery interface system are fluidly connected to the fluid control system and a patient. The breather bag is vertically mounted to a top surface of the mounting surface structure. In operation, the present invention provides a system for administering anesthesia/analgesia gas which provides convenient and direct access to a medical practitioner. | 03-25-2010 |
| 20100132706 | Respiratory face mask and breathing circuit assembly - A respiratory face mask is provided suitably sized and configured to engage at least the nose portion and mouth portion of a patient's face. Gas from a gas supply and scavenging set normally used in dentistry is operatively coupled to the mask via a breathing circuit to supply fresh gas and evacuate exhaled waste gas. A gas flow compensator in the breathing circuit automatically prevents re-breathing of exhaled gas. Because the mask has a sealing cushion, contamination of the clinical room where the apparatus is being used also is avoided. In an alternatively preferred embodiment, the fresh gas supply tube and the exhalation limb of the breathing circuit are replaced by a single length of co-axial flexible tubing connected between the face mask and a branched coupling. The branched coupling, in turn, includes a first branch for connection to the fresh gas supply nozzle of the “dental” set-up and a second branch for connection to a flexible flow-through reservoir bag used to store waste or exhaled gas. A one-way valve is disposed between the second branch output nozzle and the input of the flexible bag. The output of the flexible flow-through bag is connected to the vacuum module of the “dental” set-up. The second branch of the coupling, the one-way valve, and the flexible flow-through reservoir bag define the exhalation limb of the breathing circuit. | 06-03-2010 |
| 20110232639 | Ventilation valve for a veterinary anesthesia system - A valve is provided for controlling the flow of gas through an anesthesia or respiratory breathing circuit. The valve includes a valve body having a first port, a second port, and a third port. The third port includes a flow restrictor for restricting the flow of gas through the third port. A valve closing member is provided that is moveable between an open position where gas can flow through the third port, and a closed position. In the closed position, gas is prevented from flowing through the third port. | 09-29-2011 |
| 20120103333 | Ventilator Apparatus - Ventilator apparatus provides a breathing circuit for supplying breathing gas to a patient. The breathing circuit includes a variable volume enclosure ( | 05-03-2012 |
| 20130025594 | INHALATION DEVICE - The invention relates to an inhalation device (FIG. | 01-31-2013 |
| 20130025595 | RESPIRATION SYSTEM - A respiration system feeds an anesthetic gas having, a density ρ | 01-31-2013 |
| 20130037025 | GAS DRIVEN ANESTHESIA MACHINE AND INTEGRATED MANUAL/MECHANICAL VENTILATION DRIVING DEVICE THEREOF - An integrated manual/mechanical ventilation driving device comprising a movable or deformable internal chamber comprising a first port for air communication, the internal chamber being at least partially disposed within a movable or deformable external chamber comprising a second port for air communication, wherein when a driving gas enters a space between the external chamber and the internal chamber through the second port, the internal chamber is squeezed so that gas is expelled from the internal chamber through the first port, and wherein the external chamber is configured to be manually squeezed or deformed inwardly to contact and squeeze the internal chamber so that gas is expelled from the internal chamber through the first port. | 02-14-2013 |
| 20130192597 | Reservoir System for Gas Delivery to a Patient - A breathing system is provided that employs a reservoir for holding oxygen or an oxygen and medicine mixture while the patient is not inhaling. The reservoir generally prevents waste and reduces cost and helps prevent the patient from re-inhaling the previously exhaled gases. The reservoir also may include a flange extending from an inlet thereof that allows the reservoir to be positioned in an inverted position. | 08-01-2013 |
| 20130276784 | MULTIPURPOSE THERAPEUTIC FACE MASK - A therapeutic face mask comprises a face-engaging portion and a single connector having a mask-engaging end and a single treatment-receiving end which has a single attachment mounting for detachably sealingly receiving a treatment attachment, such as an oxygen reservoir bag or a nebulizer. A one-way inhalation valve in the connector permits fluid flow from the treatment-receiving end to the mask-engaging end during inhalation and inhibits fluid flow in the other direction. The mask also includes a valve-governed exhalation port and an anti-asphyxia valve assembly configured to permit fluid flow from ambient to the face-engaging portion during inhalation only when inspiratory effort during inhalation exceeds fluid flow to the treatment-receiving end of the connector. Also provided is an oxygen reservoir bag having a neck shaped for removable coupling to a mating connector of a therapeutic face mask. An oxygen reservoir bag may have a metered-dose inhaler port defined in its neck. | 10-24-2013 |
| 20140338667 | Bellows Bulb Occlusion Valve - A flow control device for blocking the flow of analgesic gas to the mask of an analgesic system includes a bellows-bulb at the distal end of the breathing circuit. The device can be easily operated by hand. By depressing the bellows when the mask is removed, gaseous pollution, such as nitrous oxide or other gas pollution, can be controlled while the system is purged. | 11-20-2014 |
| 20140373841 | RESPIRATORY FACE MASK AND BREATHING CIRCUIT ASSEMBLY - A disposable breathing circuit is adapted to be connected between a disposable face mask and a vacuum source for delivering fresh gas to the face mask and for scavenging waste gas exhaled from the face mask. The breathing circuit includes a fresh gas supply limb and an exhalation limb and a scavenging limb coupled to the exhalation limb. The scavenging limb includes a one-way valve to prevent re-breathing, a flexible flow-through reservoir bag used to store exhaled gas, and an output tube adapted to be coupled between the flow-through reservoir bag and the vacuum source. | 12-25-2014 |
| 20150083130 | START UP SELF-TESTING METHOD OF AIRWAY PRESSURE SENSOR FOR ANESTHESIA MACHINE - Disclosed is a starting up self-testing method of an airway pressure sensor for an anesthesia machine. In a manual state, a pressure value of the pressure sensor is detected, and after the detection, if the value is within an airway pressure measurement range but not within a sensor zero point voltage range, the anesthesia machine is switched to a machine-controlled state to detect the pressure value of the pressure sensor, so that under the machine-controlled state, an airway is in communication with a bellows to enable gas possibly left in the airway to flow into the bellows to thus change the pressure value in the airway, and hence if the current pressure value of the pressure sensor is reduced or directly in the sensor zero point voltage range, the pressure sensor is valid. | 03-26-2015 |
| 20190143071 | A BREATHING CIRCUIT | 05-16-2019 |
