CA2104966A1 - Occlusive chest sealing valve - Google Patents
Occlusive chest sealing valveInfo
- Publication number
- CA2104966A1 CA2104966A1 CA002104966A CA2104966A CA2104966A1 CA 2104966 A1 CA2104966 A1 CA 2104966A1 CA 002104966 A CA002104966 A CA 002104966A CA 2104966 A CA2104966 A CA 2104966A CA 2104966 A1 CA2104966 A1 CA 2104966A1
- Authority
- CA
- Canada
- Prior art keywords
- valve
- wound
- base
- opening
- patient
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/02—Access sites
- A61M39/0247—Semi-permanent or permanent transcutaneous or percutaneous access sites to the inside of the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00491—Surgical glue applicators
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/0057—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/02—Adhesive plasters or dressings
- A61F13/023—Adhesive plasters or dressings wound covering film layers without a fluid handling layer
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/02—Adhesive plasters or dressings
- A61F13/0246—Adhesive plasters or dressings characterised by the skin adhering layer
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F2013/00089—Wound bandages
- A61F2013/00106—Wound bandages emergency bandages, e.g. for first aid
- A61F2013/00114—Wound bandages emergency bandages, e.g. for first aid with check valve, e.g. for traumatic pneumothorax
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/02—Access sites
- A61M39/0247—Semi-permanent or permanent transcutaneous or percutaneous access sites to the inside of the body
- A61M2039/0252—Semi-permanent or permanent transcutaneous or percutaneous access sites to the inside of the body for access to the lungs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/02—Access sites
- A61M39/0247—Semi-permanent or permanent transcutaneous or percutaneous access sites to the inside of the body
- A61M2039/0276—Semi-permanent or permanent transcutaneous or percutaneous access sites to the inside of the body for introducing or removing fluids into or out of the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/02—Gases
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/10—Trunk
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Gastroenterology & Hepatology (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biophysics (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Check Valves (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
A one-way valve for use in the emergency closing of an open thoracic wound to prevent inflow of air into the thoracic cavity but permitting one-way outlet flow of air and liquid from the cavity thus preventing pressure build up within the thoracic cavity is provided. A base (10) has a valve housing (20) fixed thereon. The housing (20) is dome shaped with spaced cut out openings (21) which form support struts (20a) around the periphery. A valve element (25) is made of a highly flexible thin material and is generally circular in shape with its center attached to the center of a supporting spider frame (10a) as by a post or rivet (25a).
Description
WO92/15~2 1 -a ~ n ~ 6 PCT/US92/01483 OCCLUSIVE CHEST SEALING VALVE
BACKGROUND OF THE INVENTION
1In normal breathing, the muscles of the rib cage and diaphragm contract, increasing the size of the chest cavity. The lungs inflate because of the negative pres-sure that is created in the lungs as the chest volume increases. This causes air to flow into the lungs.
When the diaphram and rib cage relax, decreasing the size o the chest cavity, the air is passively expelled from the lungs. The lungs are prevented from collapsing by a negative pressure which exists in the pleural space, that is the potential space between the parietal and visceral pleuras.
When the chest wall sustains a penetrating wound as from a gun shot or knife, the wound opening creates a path for outside air to flow into the chest cavity.
lS This flow of external atmospheric air into the chest cavity eliminates the negative pressure which normally exists in the pleural space. As a result, the lungs cannot inflate properly, because the chest defect allows the air which has been drawn into the chest cavity to equalize the pressure therein with the atmo~pheric pre~-sure. The presence of the atmospheric air in the chest may also introduce contaminates into the chest cavity.
At the present time, one of the treatment procedures i8 to provide an occlusive dressing large enough to overlap the wounds' edges and taped securely on ~11 four ~ide~ ~o as to seal the wound and prevent air from pas~ing into the chest cavity through the wound. This permits the patient to breath without building up pres-sure within the cavity unless the lung has been punc-tured or torn. If the lung has been penetrated, air - will be drawn into the chest cavity through that pene-tration and produce a pressure build-up within the chest cavity if the wound has been sealed externally.
In order to overcome this problem under thè emergency conditions in the field, the American College of Sur-W092/15~ PCT/US92/01483 f~ 2-1 geons recommends the taping of the occlusive dressing on only three sides so that if pressure is building up within the chest cavity, this pressure may be discharged through the open side of the dressing. Unfortunately, S however, the csnditions surrounding the emergency treatment of the patient may neutralize the valve effect of this type of dressing application. These conditions include the application of a spine board, other pressure dressings, cot-restraint belts and the specific location of the wounds relative to the patient' 8 position during transport. Frequently, the patient also will have to be moved into a position, or external restraining or sup-port apparatus applied to the patient will interfere -with the operation of the valve effect of the open side of the dressing.
The problem for the emergency staff during the early treatment of such wounds is to monitor the patient and prevent, if possible, the bui}d-up of pressure within the chest cavity, even when one of the lungs has been penetrated. This is an extremely difficult problem to solve when there are a great many other demands on the attendant. Frequently, it is necessary to use a pres-surized oxygen device to ~orce uninjured lungs to in-flate. This device, however, has the potential of in-25 creasing the damage to an injured lung by forcing high ~ -pressure air through the opening or defect in that lung. -~-This pres~urization through the lungs may further in-crease the pressure in the chest cavity if the chest opening or defect is sealed.
One of the most important life threatening condi-tions that must be prevented is sufficient build up~of pressure within the chest cavity to make it impossible for the lung to inflate, thus collapsing the lung. This pres~urized condition within the chest cavity al80 com-presses the heart and reduces its ability to function.
This invention provides a valve controlled release -opening to prevent this pressure build up in the chest -cavity.
8UB~TITUTE SHEEI~
.
wo 92/15344 2 ~. ~ L~ PCI'/US92/01483 SUMMARY OF THE INVENTI ON
1 This invention provides a one-way control valve for emergency adhesive application to the chest of a patient having a wound opening which has penetrated the ches~ wall. The one-way valve permits air and liquid to pass outwardly from the cavity but closes the same against the flow of atmospheric air into the chest cavity. Release of this pressure prevents the creation of a life threatening condition within the chest cavity by maintaining a sub-atmospheric condi-tion within the cavity required for lung inflation.In addit~on, this device may be used during pressur-- ;zed mechanical ventilation without adding to the risk of a tension pneumothorax. Normally, a negative pres-sure exists within the chest cavity. Imposing a posi-lS tive pressure within the cavity creates an immediate - life threatening condition that must be corrected as soon as possible.
This invention provides a flexible pressure sensi-tive adhe~ive attachment panel for attaching the re-lea~e valve over the penetrating wound to prevent pres-ure build up in ehe ch-~t cavity. ;~
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WO92/15~ PCT/US92101483 DETAILED DESCRIPTION OF T~E DRAWINGS
1 Fig. 1 is a view showing the chest cavity with the basic anatomical components housed therein;
Fig. 2 i9 a top plan v,iew of a check valve assem-bly embodying the invention;
Fig. 3 i9 a vertical s~ectional view through the check valve assembly and taken substantially along the line 3-3 of Fig. 2: and, :
Fig. 4 is an exploded perspective view of the check valve assembly.
..
' ' ~. "
', ' ' : ':
`` SUBSTITUTE SHEET
. .
.
WO92/15344 21V ~ PCr/USg2/01483 DETAILED DESCRIPTION
. .
OF THE PREFERRED EMBODIMENT
1 The drawings illustrate a valve assembly embodying the invention. This valve includes a rigid annular base member 10 which is permanently secured a flexible attachment member 11, which in the form shown consists in a panel or sheet made from suitable transparent flexible plastic material having a transparent pressure sensitive adhesive coating 12 on the bottom surface thereof.
The flexible attachment panel 11 must be suffici-ently large and have sufficient stiffness to prevent itfrom being drawn into a penetrating thoracic wound.
Flexibility is important to permit the panel to conform to the irregularities of the outer surface of the pati-ent's chest. The panel should also be transparent, so that the valve can be visually positioned with its base surrounding the outside of the wound to sealingly en-close the ~ame. A number of different clear plastic films are suitable such as are manufactured by Molco, of Waymart, Penna.
The wo~nd 15 is shown diagramatically in Fig. 3 with the surrounding skin layer designated by the num-eral 16. The adhesive mu~t, of course, be hypo-aller-genic, be resistant to the prasence of blood, moisture, and other body fluids, and remain active under temper-ature variations encountered at the scene of t~e in-jury. Furthermore, the adhesive should also permit removal of the panel and valve assembly without leaving significant amounts of adhesive residue on the pati-ent'~ skin surface. A suitable adhesive is manufac-tured by 3-M Company of St. Paul, Minn., and is u~ed on their 3-M Stoma Seal 1500 product.
The base 10 is made from ~uitable rigid trans-parent material such as a suitable rigid pla8tic mater-ial and has a valve housing 20 fixed thereon in spaced relation thereabove. In the form shown, the housing 20 is dome shaped with spaced cut out openings 21 which SUE3STlllJTE SHEET
.. ` . ` . ~ , .. ,. ,. . ,.... . . . -.,.. ... , ~. ,-..... ~ -. , I ~ . . .
W092/15~ PCT/US92/01~3 h ~ 6-1 form support struts 20a around the periphery thereof.
The spaced struts 20a are connected in fixed relation to the annular base member 10 and support the housing dome 20 on the annular base 10. The openings 21 around the top of the base 10 permit air, blood, and body fluids to escape thr~ugh the wound opening 15.
In the form shown, a valve element 25 is made from highly flexible thin material such as latex or vinyl and in the form shown is generally circular in shape with its center attached to the center of a supporting spider frame lOa as by a post or rivet 25a. The spider frame lOa is fixed across the opening defined by the annular base member 10. The valve disc 25 is connected at its center to the center of spokes lOb to the sup-porting spider frame lOa to maintain the valve disc 25in alignment with its annular valve seat lOc extending around the inside of the lower portion of the central opening defined within the annular base member 10. The ~ -valve element 25 is ~hown in clo~ed seated position in ~ .
Fig. 4. In its closed position, the valve disc seals against the plan~r annular seat lOc with intermediate support being provided by the spokes lOb of the frame lOa. Openings lOd defined between the spo~es lOb per-m~t air and fluids to pass out from the chest cavity to prevent pressure from building up with the cavity. The dome 20 protects the v~lve agaln~t cont~ct from ob~ects that would interfere with it~ opening and ¢losing actlon.
.. . .
, SUE~STITUTE SHEEI-
BACKGROUND OF THE INVENTION
1In normal breathing, the muscles of the rib cage and diaphragm contract, increasing the size of the chest cavity. The lungs inflate because of the negative pres-sure that is created in the lungs as the chest volume increases. This causes air to flow into the lungs.
When the diaphram and rib cage relax, decreasing the size o the chest cavity, the air is passively expelled from the lungs. The lungs are prevented from collapsing by a negative pressure which exists in the pleural space, that is the potential space between the parietal and visceral pleuras.
When the chest wall sustains a penetrating wound as from a gun shot or knife, the wound opening creates a path for outside air to flow into the chest cavity.
lS This flow of external atmospheric air into the chest cavity eliminates the negative pressure which normally exists in the pleural space. As a result, the lungs cannot inflate properly, because the chest defect allows the air which has been drawn into the chest cavity to equalize the pressure therein with the atmo~pheric pre~-sure. The presence of the atmospheric air in the chest may also introduce contaminates into the chest cavity.
At the present time, one of the treatment procedures i8 to provide an occlusive dressing large enough to overlap the wounds' edges and taped securely on ~11 four ~ide~ ~o as to seal the wound and prevent air from pas~ing into the chest cavity through the wound. This permits the patient to breath without building up pres-sure within the cavity unless the lung has been punc-tured or torn. If the lung has been penetrated, air - will be drawn into the chest cavity through that pene-tration and produce a pressure build-up within the chest cavity if the wound has been sealed externally.
In order to overcome this problem under thè emergency conditions in the field, the American College of Sur-W092/15~ PCT/US92/01483 f~ 2-1 geons recommends the taping of the occlusive dressing on only three sides so that if pressure is building up within the chest cavity, this pressure may be discharged through the open side of the dressing. Unfortunately, S however, the csnditions surrounding the emergency treatment of the patient may neutralize the valve effect of this type of dressing application. These conditions include the application of a spine board, other pressure dressings, cot-restraint belts and the specific location of the wounds relative to the patient' 8 position during transport. Frequently, the patient also will have to be moved into a position, or external restraining or sup-port apparatus applied to the patient will interfere -with the operation of the valve effect of the open side of the dressing.
The problem for the emergency staff during the early treatment of such wounds is to monitor the patient and prevent, if possible, the bui}d-up of pressure within the chest cavity, even when one of the lungs has been penetrated. This is an extremely difficult problem to solve when there are a great many other demands on the attendant. Frequently, it is necessary to use a pres-surized oxygen device to ~orce uninjured lungs to in-flate. This device, however, has the potential of in-25 creasing the damage to an injured lung by forcing high ~ -pressure air through the opening or defect in that lung. -~-This pres~urization through the lungs may further in-crease the pressure in the chest cavity if the chest opening or defect is sealed.
One of the most important life threatening condi-tions that must be prevented is sufficient build up~of pressure within the chest cavity to make it impossible for the lung to inflate, thus collapsing the lung. This pres~urized condition within the chest cavity al80 com-presses the heart and reduces its ability to function.
This invention provides a valve controlled release -opening to prevent this pressure build up in the chest -cavity.
8UB~TITUTE SHEEI~
.
wo 92/15344 2 ~. ~ L~ PCI'/US92/01483 SUMMARY OF THE INVENTI ON
1 This invention provides a one-way control valve for emergency adhesive application to the chest of a patient having a wound opening which has penetrated the ches~ wall. The one-way valve permits air and liquid to pass outwardly from the cavity but closes the same against the flow of atmospheric air into the chest cavity. Release of this pressure prevents the creation of a life threatening condition within the chest cavity by maintaining a sub-atmospheric condi-tion within the cavity required for lung inflation.In addit~on, this device may be used during pressur-- ;zed mechanical ventilation without adding to the risk of a tension pneumothorax. Normally, a negative pres-sure exists within the chest cavity. Imposing a posi-lS tive pressure within the cavity creates an immediate - life threatening condition that must be corrected as soon as possible.
This invention provides a flexible pressure sensi-tive adhe~ive attachment panel for attaching the re-lea~e valve over the penetrating wound to prevent pres-ure build up in ehe ch-~t cavity. ;~
~ ' .
~ ~ -''.. ".
.
, -:
,..:
~:
WO92/15~ PCT/US92101483 DETAILED DESCRIPTION OF T~E DRAWINGS
1 Fig. 1 is a view showing the chest cavity with the basic anatomical components housed therein;
Fig. 2 i9 a top plan v,iew of a check valve assem-bly embodying the invention;
Fig. 3 i9 a vertical s~ectional view through the check valve assembly and taken substantially along the line 3-3 of Fig. 2: and, :
Fig. 4 is an exploded perspective view of the check valve assembly.
..
' ' ~. "
', ' ' : ':
`` SUBSTITUTE SHEET
. .
.
WO92/15344 21V ~ PCr/USg2/01483 DETAILED DESCRIPTION
. .
OF THE PREFERRED EMBODIMENT
1 The drawings illustrate a valve assembly embodying the invention. This valve includes a rigid annular base member 10 which is permanently secured a flexible attachment member 11, which in the form shown consists in a panel or sheet made from suitable transparent flexible plastic material having a transparent pressure sensitive adhesive coating 12 on the bottom surface thereof.
The flexible attachment panel 11 must be suffici-ently large and have sufficient stiffness to prevent itfrom being drawn into a penetrating thoracic wound.
Flexibility is important to permit the panel to conform to the irregularities of the outer surface of the pati-ent's chest. The panel should also be transparent, so that the valve can be visually positioned with its base surrounding the outside of the wound to sealingly en-close the ~ame. A number of different clear plastic films are suitable such as are manufactured by Molco, of Waymart, Penna.
The wo~nd 15 is shown diagramatically in Fig. 3 with the surrounding skin layer designated by the num-eral 16. The adhesive mu~t, of course, be hypo-aller-genic, be resistant to the prasence of blood, moisture, and other body fluids, and remain active under temper-ature variations encountered at the scene of t~e in-jury. Furthermore, the adhesive should also permit removal of the panel and valve assembly without leaving significant amounts of adhesive residue on the pati-ent'~ skin surface. A suitable adhesive is manufac-tured by 3-M Company of St. Paul, Minn., and is u~ed on their 3-M Stoma Seal 1500 product.
The base 10 is made from ~uitable rigid trans-parent material such as a suitable rigid pla8tic mater-ial and has a valve housing 20 fixed thereon in spaced relation thereabove. In the form shown, the housing 20 is dome shaped with spaced cut out openings 21 which SUE3STlllJTE SHEET
.. ` . ` . ~ , .. ,. ,. . ,.... . . . -.,.. ... , ~. ,-..... ~ -. , I ~ . . .
W092/15~ PCT/US92/01~3 h ~ 6-1 form support struts 20a around the periphery thereof.
The spaced struts 20a are connected in fixed relation to the annular base member 10 and support the housing dome 20 on the annular base 10. The openings 21 around the top of the base 10 permit air, blood, and body fluids to escape thr~ugh the wound opening 15.
In the form shown, a valve element 25 is made from highly flexible thin material such as latex or vinyl and in the form shown is generally circular in shape with its center attached to the center of a supporting spider frame lOa as by a post or rivet 25a. The spider frame lOa is fixed across the opening defined by the annular base member 10. The valve disc 25 is connected at its center to the center of spokes lOb to the sup-porting spider frame lOa to maintain the valve disc 25in alignment with its annular valve seat lOc extending around the inside of the lower portion of the central opening defined within the annular base member 10. The ~ -valve element 25 is ~hown in clo~ed seated position in ~ .
Fig. 4. In its closed position, the valve disc seals against the plan~r annular seat lOc with intermediate support being provided by the spokes lOb of the frame lOa. Openings lOd defined between the spo~es lOb per-m~t air and fluids to pass out from the chest cavity to prevent pressure from building up with the cavity. The dome 20 protects the v~lve agaln~t cont~ct from ob~ects that would interfere with it~ opening and ¢losing actlon.
.. . .
, SUE~STITUTE SHEEI-
Claims (4)
[received by the International Bureau on 28 July 1922 (28.07.92);
original claims 1-6 replaced by amended claims 1-4 (3 pages)]
1. A closure valve for attachment to the outer skin surface surrounding an open chest cavity wound of a patient comprising a one-way check valve assembly including, an annular rigid base having an inside and an outside and defining an opening therethrough and adapted to surround the wound of a patient, a valve seat formed on the outside of said annular base, attachment means having pressure-sensitive adhe-sive on the inside thereof and including an opening therein for surrounding the wound of a patient when attached, means for securely attaching said annular base to the attachment means with the openings therein in sub-stantial axial alignment to permit the base member to be securely attached to the body of a patient with the wound opening substantially centered within the aligned openings of the base and the attachment means, a generally flat check valve mounted on the top of said base in registration with the opening through the base, means for attaching said check valve to said base member in a manner to permit the valve to prevent back-flow of fluid through the opening but permitting the discharge of fluid outwardly through the opening to maintain a negative pressure within the chest cavity communicating with the body wound, the valve and base assembly being relatively thin and defining a top surface disposed in closely spaced relation above the attachment means surrounding the wound opening of a patient when attached to the patient, a protective cover housing fixed in spaced relation above the base member and having openings therein to per-mit air and body fluids passing through the valve to escape from the wound, the lower edges of the openings lying in a plane defined generally by the base member and valve seat provided thereby to prevent any build-up of fluids under the housing outside of the valve, said attachment means comprising a flexible flat attachment panel with an opening therein surrounding the wound opening of a patient for sealingly attaching the valve to the patient in wound surrounding position to sealingly enclose the wound and to control flow therethrough, wherein the valve constitutes a flat light-weight flexible disc preventing backflow of fluid through the inlet openings, and a valve chamber surrounding the valve disc and maintaining operational registration of the disc with the valve seat.
2. The structure set forth in Claim 1, wherein the cover housing is raised above the valve to provide operational clearance for the valve, and discharge open-ings being provided around the outer periphery of the cover housing to permit substantially unrestricted dis-charge flow from the valve through the area under the housing.
3. The structure set forth in Claim 1 and a valve supporting spider frame wherein the valve is supported thereon when in closed position but providing openings to permit the discharge of air and fluid outwardly through the valve from the chest cavity.
4. A closure valve for attachment to the outer skin surface surrounding an open chest cavity wound of a patient comprising:
a one-way check valve assembly including, an annular rigid base having an inside and an outside and defining an opening therethrough and adapted to surround the wound of a patient, a valve seat formed on the outside of said annular base, attachment means having pressure-sensitive adhesive on the inside thereof and including an opening therein for surrounding the wound of a patient when attached, means for securely attaching Raid annular base to the attachment means with the openings therein in sub-stantial axial alignment to permit the base member to be securely attached to the body of a patient with the wound opening substantially centered within the aligned openings of the base and the attachment means, a generally flat check valve mounted on the top of said base in registration with the opening through the base, means for attaching said check valve to said base member in a manner to permit the valve to prevent back-flow of fluid through the opening but permitting the discharge of fluid outwardly through the opening to maintain a negative pressure within the chest cavity communicating with the body wound, the valve and base assembly being relatively thin and defining a top surface disposed in closely spaced relation above the attachment means surrounding the wound opening of a patient when attached to the patient, a protective cover housing fixed in spaced rela-tion above the base member and having openings therein to permit air and body fluids passing through the valve to escape from the wound, the lower edges of the open-ings lying in a plane defined generally by the base mem-ber and valve seat provided thereby to prevent any build-up of fluids under the housing outside of the valve.
a one-way check valve assembly including, an annular rigid base having an inside and an outside and defining an opening therethrough and adapted to surround the wound of a patient, a valve seat formed on the outside of said annular base, attachment means having pressure-sensitive adhesive on the inside thereof and including an opening therein for surrounding the wound of a patient when attached, means for securely attaching Raid annular base to the attachment means with the openings therein in sub-stantial axial alignment to permit the base member to be securely attached to the body of a patient with the wound opening substantially centered within the aligned openings of the base and the attachment means, a generally flat check valve mounted on the top of said base in registration with the opening through the base, means for attaching said check valve to said base member in a manner to permit the valve to prevent back-flow of fluid through the opening but permitting the discharge of fluid outwardly through the opening to maintain a negative pressure within the chest cavity communicating with the body wound, the valve and base assembly being relatively thin and defining a top surface disposed in closely spaced relation above the attachment means surrounding the wound opening of a patient when attached to the patient, a protective cover housing fixed in spaced rela-tion above the base member and having openings therein to permit air and body fluids passing through the valve to escape from the wound, the lower edges of the open-ings lying in a plane defined generally by the base mem-ber and valve seat provided thereby to prevent any build-up of fluids under the housing outside of the valve.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66277991A | 1991-02-28 | 1991-02-28 | |
| US662,779 | 1991-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2104966A1 true CA2104966A1 (en) | 1992-08-29 |
Family
ID=24659186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002104966A Abandoned CA2104966A1 (en) | 1991-02-28 | 1992-02-27 | Occlusive chest sealing valve |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0596889A1 (en) |
| AU (1) | AU1587692A (en) |
| CA (1) | CA2104966A1 (en) |
| WO (1) | WO1992015344A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8309786B2 (en) | 2010-08-16 | 2012-11-13 | Fasttrack Medical Solutions Llc | Low profile thoracic wound seal with laterally-directed discharge |
| US8637725B2 (en) | 2010-08-16 | 2014-01-28 | Fasttrack Medical Solutions Llc | Kit for low profile thoracic wound seal with laterally-directed discharge |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0615234D0 (en) * | 2006-08-01 | 2006-09-06 | Seaberg Company The Inc | A medical dressing for open chest wounds |
| US9168180B2 (en) * | 2009-06-16 | 2015-10-27 | 3M Innovative Properties Company | Conformable medical dressing with self supporting substrate |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4465062A (en) * | 1982-05-14 | 1984-08-14 | Gina Versaggi | Noninvasive seal for a sucking chest wound |
| US4717382A (en) * | 1985-04-18 | 1988-01-05 | Emergency Management Products, Inc. | Noninvasive apparatus for treating a sucking chest wound |
-
1992
- 1992-02-27 WO PCT/US1992/001483 patent/WO1992015344A1/en not_active Application Discontinuation
- 1992-02-27 AU AU15876/92A patent/AU1587692A/en not_active Abandoned
- 1992-02-27 EP EP92908085A patent/EP0596889A1/en not_active Withdrawn
- 1992-02-27 CA CA002104966A patent/CA2104966A1/en not_active Abandoned
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8309786B2 (en) | 2010-08-16 | 2012-11-13 | Fasttrack Medical Solutions Llc | Low profile thoracic wound seal with laterally-directed discharge |
| US8637725B2 (en) | 2010-08-16 | 2014-01-28 | Fasttrack Medical Solutions Llc | Kit for low profile thoracic wound seal with laterally-directed discharge |
| US9295766B2 (en) | 2010-08-16 | 2016-03-29 | Fasttrack Medical Solutions Llc | Kit for low profile thoracic wound seal with laterally-directed discharge |
Also Published As
| Publication number | Publication date |
|---|---|
| AU1587692A (en) | 1992-10-06 |
| EP0596889A1 (en) | 1994-05-18 |
| EP0596889A4 (en) | 1994-03-24 |
| WO1992015344A1 (en) | 1992-09-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |