Controller for an extremity hyperbaric device
First Claim
1. A controller for controlling a hyperbaric wound treatment device comprising:
- a gas conveyance assembly operable for creating a negative pressure; and
a control device coupled to the gas conveyance assembly and operable to control the gas conveyance assembly for;
providing that a portion of the gas conveyance assembly is in fluid communication with the treatment device; and
creating a negative pressure within the treatment device by evacuating gas at least partially from within the treatment device.
4 Assignments
0 Petitions
Accused Products
Abstract
A controller is operable to selectively supply gas to, and evacuate gas from, regions of a hyperbaric wound treatment chamber. The controller operates to inflate a passage or rib of the device to provide that the device is made sufficiently rigid for inserting a limb therethrough, and inflate an inflatable cuff to create a seal against the limb. The controller also operates to evacuate ambient air trapped within the chamber, and optionally partially evacuate the passage or rib, after the seal is created by the inflatable cuff, and then introduce oxygen into the chamber, and optionally inflate the passage or rib. The cuff, when inflated and creating a seal against a limb, optionally is at least partially within the chamber, and the treatment gas is supplied to the chamber to maintain the seal of the cuff against the limb.
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Citations
49 Claims
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1. A controller for controlling a hyperbaric wound treatment device comprising:
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a gas conveyance assembly operable for creating a negative pressure; and a control device coupled to the gas conveyance assembly and operable to control the gas conveyance assembly for; providing that a portion of the gas conveyance assembly is in fluid communication with the treatment device; and creating a negative pressure within the treatment device by evacuating gas at least partially from within the treatment device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A hyperbaric wound treatment control apparatus comprising:
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a means for creating a negative pressure within at least a portion of a hyperbaric wound treatment device; a controller coupled to and operable for controlling the means for; providing that the means is in fluid communication with the portion of the device; and creating a negative pressure within the portion of the device by evacuating gas at least partially from within the portion of the device. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. A method of conveying gas to and from a hyperbaric wound treatment device comprising:
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creating a negative pressure in a treatment chamber of the device after inserting a limb through an open end of the treatment chamber and sealing the chamber at the open end; evacuating gas at least partially from within the treatment chamber; and supplying a treatment gas to the treatment chamber following the evacuation of the gas from the treatment chamber. - View Dependent Claims (19, 20)
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21. A method of controlling flow of gas to and from a collapsible hyperbaric wound device, wherein the device includes an inflatable rib for retaining the device in a rigid state, a treatment chamber with an open end and an inflatable sleeve for receiving a limb of a patient and sealing against the limb at the open end of the chamber when the sleeve is an inflated condition, the method comprising:
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inflating the rib with a gas at least partially before inserting the limb into the chamber; inflating the sleeve for at least partially sealing the sleeve against the limb at the open end of the chamber; evacuating gas at least partially from at least one of the chamber and rib; and supplying a treatment gas to the chamber, after the evacuating. - View Dependent Claims (22)
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23. A controller for controlling gas flow to and from a collapsible hyperbaric wound treatment device, wherein the device includes an inflatable rib for retaining the device in a rigid state, a treatment chamber with an open end for receiving a limb of a patient and an inflatable sleeve for sealing against the limb at the open end of the chamber when the sleeve is an inflated condition, the controller comprising:
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first, second and third control valves adapted for coupling to the inflatable sleeve, the treatment chamber and the inflatable rib, respectively; a processor for selectively controlling the control valves and for selectively providing that at least one of the first, second and third control valves is in fluid communication with a gas source or a pump, wherein the processor is operable; for controlling the third valve for inflating the rib with a gas at least partially, before the limb is received in the chamber; for controlling the first valve for inflating the sleeve for at least partially sealing the sleeve against the limb at the open end of the chamber; for controlling the second valve for evacuating gas at least partially from the chamber based on operation of the pump and after the inflating of the sleeve for sealing the sleeve against the limb; and for controlling the second valve for supplying a treatment gas to the chamber from the gas source. - View Dependent Claims (24, 25)
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26. A hyperbaric wound treatment apparatus comprising:
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a chamber having an interior and an open end in communication therewith; an inflatable limb sleeve configured for receiving a limb and coupled to the chamber, wherein the sleeve is positionable at least partially within the interior of the chamber adjacent the open end; a gas conveyance assembly coupled to the sleeve and the interior of the chamber and for creating a negative pressure; and a control device coupled to the gas conveyance assembly operable for controlling the gas assembly for; inflating the sleeve to an inflated condition for at least partially sealing against the limb adjacent the open end of the chamber, with the sleeve at least partially within the interior of the chamber at the open end; and creating a negative pressure within the interior of the chamber by evacuating gas from the interior of the chamber, after the inflating of the sleeve. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38)
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39. A method of providing a treatment gas to a hyperbaric wound treatment device, wherein the device includes a chamber having an interior and an open end in communication therewith and an inflatable sleeve coupled to the chamber and positionable at least partially within the interior of the chamber adjacent the open end, the method comprising:
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after inserting a limb through the sleeve and into the interior of the chamber, inflating the limb sleeve to an inflated condition for creating at least a partial seal between the limb and the sleeve adjacent the open end, with the sleeve at least partially within the interior of the chamber; after creating the seal, evacuating at least partially gas from within the interior of the chamber; and supplying a treatment gas to the interior of the chamber, following the evacuation of the gas from the interior of the chamber. - View Dependent Claims (40, 41, 42, 43, 44, 45, 46, 47, 48, 49)
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Specification