US3670735A - Disposable inflatable tourniquet - Google Patents

Disposable inflatable tourniquet Download PDF

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Publication number
US3670735A
US3670735A US3670735DA US3670735A US 3670735 A US3670735 A US 3670735A US 3670735D A US3670735D A US 3670735DA US 3670735 A US3670735 A US 3670735A
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United States
Prior art keywords
envelope
tongue
plastic
tourniquet
layers
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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.)
Expired - Lifetime
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Lewis F Hazlewood
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BLOOM-1 Inc A CORP OF
Kidde Inc
Walter Kidde Portable Equipment Inc
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Walter Kidde and Co Inc
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Assigned to KIDDE, INC. reassignment KIDDE, INC. MERGER (SEE DOCUMENT FOR DETAILS). FILED MARCH 31, 1988, DELAWARE Assignors: HIMP-2 INC., HIMP-2 INC. (CHANGED TO)
Assigned to WALTER KIDDE PORTABLE EQUIPMENT, INC., 1394 S. THIRD STREET, MEBANE, NC 27302, A DE CORP. reassignment WALTER KIDDE PORTABLE EQUIPMENT, INC., 1394 S. THIRD STREET, MEBANE, NC 27302, A DE CORP. NUNC PRO TUNC ASSIGNMENT (SEE DOCUMENT FOR DETAILS). EFFECTIVE DATE: APRIL 2, 1988 Assignors: KIDDLE, INC.
Anticipated expiration legal-status Critical
Assigned to BLOOM-1 INC., A CORP. OF DE reassignment BLOOM-1 INC., A CORP. OF DE MERGER (SEE DOCUMENT FOR DETAILS). EFFECTIVE DATE: 3/31/88, DELAWARE Assignors: KIDDE INC.
Expired - Lifetime legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/132Tourniquets
    • A61B17/135Tourniquets inflatable

Abstract

A disposable plastic tourniquet which includes an inflatable elongated envelope formed from three layers of vinyl plastic, of which one layer extends from one end of the envelope to form a long tongue. A sheet of stiffening material is positioned between two of the layers of vinyl to increase the contact surface, and a strip of pressure sensitive tape extends from each side of the envelope to engage the tongue and lock the tourniquet in possition on the patient.

Description

United States Patent Hazlewood 1 June 20, 1972 [54] DISPOSABLE INFLATABLE 2,045,750 6/1936 Buschenfeldt ..l28/327 TOURNIQUET 2,481,924 9/1949 Hanafin 2,582,123 1/1952 Heitz ..l28/327 X [72] Inventor: Lewis F. Hazlewood, Marlton, NJ.
73 Assi nee: 'Walter 8r Kidde Com Inc. B lleville, Primary Examin"chaning Pace I 8 Ni puny e Attorney-Harvey W. Mortimer, Morris Relson, Robert R.
Keegan, Gordon D. Coplein and William F. Dudine, Jr. [22] Filed: Feb. 9, 1970 21 Appl. No.: 9,675 [57] ABSTRACT A disposable plastic tourniquet which includes an inflatable elongated envelope formed from three layers of vinyl plastic, ((gl of which one layer extends from one end of the envelope to l 58] Fieid 128/327 form a long tongue. A sheet of stiffening material is positioned between two of the layers of vinyl to increase the Contact sup face, and a strip of pressure sensitive tape extends from each [56] References cued side of the envelope to engage the tongue and lock the tour- UNITED STATES PATENTS V niquet in possition on the patient.
3,120,846 2/1964 Fletcher 128/327 6 Claims, 5 Drawing Figures PATENTEDJum 1972 SHEET 10F 2 mvsu-ron LEWIS F-HAZLEVIOOD- PATENTinJuuzo m2 SHEET 20F 2 INVENTOR LEWIS FJIAZLEWOOD AGENT The present invention relates to hemostatic devices, and, more particularly, to tourniquets of the type which are wrapped around a body member and are inflated to provide the pressure for controlling blood flow.
In the past, inflatable toumiquets have been relatively expensive and have generally been constructed of a material such as Neoprene which is susceptable to beingsoiled, particularly by blood, and can be difficult to sterilize for reuse.
Tourniquets are one of the frequently used emergency treatment devices and therefore are generally carried on ambulances. A tourniquet applied by an ambulance crew to a patient remains on the patient until the wound is surgically closed at thereceiving hospital. Ambulance crews not connected with the receiving hospital, for example volunteer First Aid Squad crews, cannot wait for the surgical procedure to be completed and therefore are forced toleave their tourniquet behind with no assurance as to when or if it will be returned. In many instances, particularly if the wound is severe, the tourniquet is so blood soaked that it is discarded.
Tourniquets are also used in hospitals during certain routine surgical procedures. While these devices are not lost, they are frequently soiled to an extent which makes cleaning and sterilizing difficult or impossible.
SUMMARY In view of the foregoing it is an object of the present invention to provide an inexpensive, safe and effective inflatable tourniquet.
Another object is to provide such a device which has an inexpensive and effective locking arrangement.
Another object is to provide such a device constructed of thin plastic which contacts the limb of the patients body over a wide annular area to prevent damage to the limb.
The foregoing objects are accomplished by providing an elongated inflatable envelope for. wrapping around a body member, a tongue extending from one end of the envelope to be wrapped over'the envelope, stiffening means for increasing the contact surface of the envelope with the body member, and adhesive strip means for cooperating with the tongue for locking the tourniquet in position about the body member.
BRIEF DESCRIPTION OF THE DRAWINGS A preferred embodimentof the invention has been chosen for purposes of illustration and description, and is shown in the accompanying drawings, forming a part of the specification, wherein:
FIG. 1 is a plan view of a disposable tourniquet according to the present invention.
FIG. 2 is a sectional view taken along the line 2--2 on FIG. 1.
FIG. 3 is an isometric view of the device of FIG. 1 wrapped about a body member (shown by phantom lines) with one strip of tape in position over the tongue member.
FIG. 4 is fragmentary isometric view showing the tongue in the doubled back condition with the second strip of tape in locking position.
FIG. 5 is a cross-sectional view of the envelope member in its inflated condition.
DESCRIPTION OF THE PREFERRED EMBODIMENT Referring to the drawings there is shown a disposable inflatable tourniquet according to the present invention which includes an envelope member 10, a tongue member 11, a strip of pressure sensitive tape 12, and a gas inlet 14.
The envelope member is formed from an elongate generally rectangular upper sheet of thin vinyl plastic, one end of which forms the tongue member 11, a lower sheet 16 of heavy vinyl plastic, an intermediate sheet 17 of heavy vinyl plastic, and a sheet 19 of stiffening material. The stiffening sheet 19 is shorter and narrower than the intermediate vinyl sheet 17 and is positioned between the upper vinyl sheet 15 and'the sheet 17. The sheets 15 and 17 are provided with aligned openings 20 and 21 and are heat sealed together around the openings. The sheets l5, l6 and 17 are heat sealed together along a peripherial area 18 extending around the edge of the sheets 16 and 17. The sheetl9 is a piece of stiff board made of paper or the like which. is sufficiently flexible to permit bending along its long dimension and sufficiently stiff to resist bending along its short dimension.
The length of pressure sensitive tape 12 is attached to the underside of the sheet 16 and extends transversely of the envelope member 10 preferably at an angle to a line perpendicular to the longitudinal axis of the envelope. The length of tape l2'has a center section 24 from which the protective backing has been removed, and two end sections 25 and 26, which are provided with protective backing strips 27 and 28. The sections 25 and 26 are longer than the envelope 10 is wide so'that the tongue may be securely fastened to the envelope as described hereinafter. The tape section 24 is secured to the envelope member 10 by pressing it against the underside thereof.
The gas inlet 14 includes a moulded plastic fitting 29 ccmented to the envelope in alignment with openings 20 and 21, and a hose 30 cemented into the fitting 29.
In use, the tourniquet, in its deflated condition, is wrapped around a limb of the patients body starting with the free end of the envelope member. As shown in FIG. 3, the other end of the envelope overlaps the free end and the tongue 11 is wrapped around over the envelope. The backing strip 27 is removed from the tape section 25 and the tape section is applied over the tongue and is wrapped] under the envelope to hold the tongue against the envelope.
The tongue 11 is doubled back upon itself as shown in FIG. 4. The backing strip 28 is removed from the tape section 26, and the tape section is applied over the doubled back portion of the tongue and wrapped under the envelope to lock the tongue in position and prevent slipping.
The hose 30 is connected to a source of compressed gas and the envelope member 10 inflates decreasing the inner diameter ofthe wrapped tourniquet to apply pressure to the pa,- tients limb and restrict blood flow.
With reference to FIG. 5, as the envelope inflates, the stiffener l9 resists the natural inclination of the envelope 10 to assume a circular cross-section. The pressure in the envelope causes only a slight bending of the stiffener 19 and the sealed edges of the sheets 16 and 17 are prevented from moving inward to any appreciable degree. The envelope therefore assumes an eliptical rather than a circular cross-section and contacts the limb over a wide annular area. The pressure applied by the tourniquet to the limb is distributed over a substantial area so as to prevent damage to the limb which could occur if the pressure was applied along the narrow annular zone of contact that would result if the tourniquet were of circular cross-section.
It will be seen from the foregoing that the present invention provides an inexpensive, safe, and effective disposable inflatable tourniquet which has an inexpensive and effective locking arrangement, is constructed of thin plastic, and contacts the patients body member over a wide annular area to prevent damage to the body member.
I claim:
1. A disposable inflatable tourniquet including in combination an elongated inflatable envelope member for wrapping around a body member, a tongue member extending from one end of the envelope to be wrapped over at least a portion of the envelope, stiffening means carried by said envelope for increasing the contact surface of the envelope with the'body member when inflated, and adhesive strip means on said envelope for cooperating with said tongue for holding the tourniquet in position about the body member, said adhesive strip means including a length of adhesive tape extending from one side of said envelope for placement over said tongue member to hold said tongue member against said envelope, and a second length of adhesive tape extending from the other side of said envelope, said tongue member being of sufficient length to extend past said first length of tape and be doubled back upon itself, and said second length of tape being for placement over the doubled back portion of said tongue member to lock said tongue member against slipping.
2. A tourniquet according to claim 1 wherein said first and second lengths of tape are longer than said tongue member is wide so that the free ends of said lengths of tape engage said envelope member.
3. A tourniquet according to claim 2 wherein said lengths of tape are provided with a pressure sensitive adhesive.
4. A tourniquet according to claim 1 wherein said envelope is formed from an upper layer of plastic material, an intermediate layer of plastic material, and a lower body contacting layer of plastic material, and wherein said stiffening means is positioned between said upper and said intermediate layers of plastic material, said upper and said intermediate and said lower layers of plastic material being sealed together around the edges thereof, said intermediate and said lower layers of plastic material providing an inflatable chamber.
5. A tourniquet according to claim 4 wherein said intermediate and lower layers of plastic material are of substantially equal length and said upper layer extends past one end of the other layers of plastic material to provide said tongue member.
6. A tourniquet according to claim 5 wherein said upper and intermediate layers of plastic material are provided with aligned openings, a fitting is attached to said envelope member in alignment with said openings, and said upper and intermediate layers of plastic material are sealed together around said openings.

Claims (6)

1. A disposable inflatable tourniquet including in combination an elongated inflatable envelope member for wrapping around a body member, a tongue member extending from one end of the envelope to be wrapped over at least a portion of the envelope, stiffening means carried by said envelope for increasing the contact surface of the envelope with the body member when inflated, and adhesive strip means on said envelope for cooperating with said tongue for holding the tourniquet in position about the body member, said adhesive strip means including a length of adhesive tape extending from one side of said envelope for placement over said tongue member to hold said tongue member against said envelope, and a second length of adhesive tape extending from the other side of said envelope, said tongue member being of sufficient length to extend past said first length of tape and be doubled back upon itself, and said second length of tape being for placement over the doubled back portion of said tongue member to lock said tongue member against slipping.
2. A tourniquet according to claim 1 wherein said first and second lengths of tape are longer than said tongue member is wide so that the free ends of said lengths of tape engage said envelope member.
3. A tourniquet according to claim 2 wherein said lengths of tape are provided with a pressure sensitive adhesive.
4. A tourniquet according to claim 1 wherein said envelope is formed from an upper layer of plastic material, an intermediate layer of plastic material, and a lower body contacting layer of plastic material, and wherein said stiffening means is positioned between said upper and said intermediate layers of plastic material, said upper and said intermediate and said lower layers of plastic material being sealed together around the edges thereof, said intermediate and said lower layers of plastic material providing an inflatable chamber.
5. A tourniquet according to claim 4 wherein said intermediate and lower layers of plastic material are of substantially equal length and said upper layer extends past one end of the other layers of plastic material to provide said tongue member.
6. A tourniquet according to claim 5 wherein said upper and intermediate layers of plastic material are provided with aligned openings, a fitting is attached to said envelope member in alignment with said openings, and said upper and intermediate layers of plastic material are sealed together around said openings.
US3670735D 1970-02-09 1970-02-09 Disposable inflatable tourniquet Expired - Lifetime US3670735A (en)

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Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3756239A (en) * 1971-04-20 1973-09-04 Orthopedic Equipment Co Inflatable tourniquet
US4635635A (en) * 1984-11-29 1987-01-13 Aspen Laboratories, Inc. Tourniquet cuff
US4770175A (en) * 1986-10-22 1988-09-13 Western Clinical Engineering Ltd. Occlusive cuff
US4901732A (en) * 1988-01-15 1990-02-20 Williams Richard B Delta cuff
EP0368043A2 (en) * 1988-10-19 1990-05-16 Francesco Saverio Dioguardi Disposable tourniquet
US4979953A (en) * 1990-02-16 1990-12-25 Instrumed, Inc. Medical disposable inflatable tourniquet cuff
EP0514026A2 (en) * 1991-04-23 1992-11-19 Sumitomo Rubber Industries Limited Compressive haemostatic belt
US5193549A (en) * 1990-07-11 1993-03-16 Biomedical Dynamics Corporation Inflatable cuff
US5201758A (en) * 1992-01-07 1993-04-13 Boehringer Mannheim Corporation Disposable tourniquet cuff
WO1993006782A1 (en) * 1991-09-30 1993-04-15 Abatis Medical Technologies Limited Occlusive cuff
US5234459A (en) * 1989-11-20 1993-08-10 Hans Lee Method of controlling the flow of blood through a limb
EP0554602A1 (en) * 1992-02-06 1993-08-11 Sumitomo Rubber Industries Limited Compressive hemostatic belt
US5312431A (en) * 1991-09-30 1994-05-17 Abatis Medical Technologies Limited Occlusive cuff
US5413582A (en) * 1993-11-03 1995-05-09 Electromedics, Inc. Inflatable tourniquet cuff and method of making same
US5433724A (en) * 1991-04-23 1995-07-18 Sumitomo Rubber Industries, Ltd. Compressive hemostatic belt
US5464420A (en) * 1992-02-06 1995-11-07 Sumitomo Rubber Industries, Ltd. Compressive hemostatic belt
JPH08500778A (en) * 1992-09-08 1996-01-30 ルメテック、アクティーゼルスカブ Fluid jet cutting structure and plant for food
US5649954A (en) * 1991-09-30 1997-07-22 Mcewen; James A. Tourniquet cuff system
US5733304A (en) * 1996-08-21 1998-03-31 Instrumed, Inc. Disposable inflatable tourniquet cuff
US5741295A (en) * 1991-09-30 1998-04-21 James A. McEwen Overlapping tourniquet cuff system
WO2002091929A1 (en) * 2001-05-12 2002-11-21 Bibby Sterilin Limited Tourniquet
US20060023069A1 (en) * 2004-06-14 2006-02-02 Hiroyuki Saito Connection device
US20060058688A1 (en) * 2004-09-15 2006-03-16 Omron Healthcare Co., Ltd. Cuff for blood pressure monitor
US20070032818A1 (en) * 2005-08-05 2007-02-08 Western Clinical Engineering Ltd. Surgical tourniquet cuff for limiting usage to improve safety
US20070135835A1 (en) * 2005-12-14 2007-06-14 Western Clinical Engineering Ltd. Low-cost disposable tourniquet cuff apparatus and method
US20070135836A1 (en) * 2005-12-14 2007-06-14 Mcewen James A Low-cost disposable tourniquet cuff
US20070244506A1 (en) * 2005-12-14 2007-10-18 Western Clinical Engineering Ltd. Low-Cost Disposable Tourniquet Cuff Having Improved Safety
US20080051827A1 (en) * 1999-08-20 2008-02-28 Western Clinical Engineering Ltd. Matching Limb Protection Sleeve For Tourniquet Cuff
US20110087263A1 (en) * 2009-10-13 2011-04-14 Patrick Thomas Arber External Pneumatic Compression Device
US20160029910A1 (en) * 2013-03-07 2016-02-04 Omron Healthcare Co., Ltd. Blood pressure measurement cuff and method for manufacturing blood pressure measurement cuff
WO2020084624A1 (en) * 2018-10-25 2020-04-30 M.A.S. Med Global Ltd Tourniquet

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2045750A (en) * 1935-02-08 1936-06-30 Karl W Buschenfeldt Tourniquet
US2481924A (en) * 1948-04-24 1949-09-13 W A Baum Co Inc Sphygmomanometer cuff
US2582123A (en) * 1950-06-23 1952-01-08 Heitz Instr Inc Adjustable length sphygmomanometer cuff or sleeve
US3120846A (en) * 1962-09-12 1964-02-11 Daniel A Fletcher Pneumatic tourniquet

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2045750A (en) * 1935-02-08 1936-06-30 Karl W Buschenfeldt Tourniquet
US2481924A (en) * 1948-04-24 1949-09-13 W A Baum Co Inc Sphygmomanometer cuff
US2582123A (en) * 1950-06-23 1952-01-08 Heitz Instr Inc Adjustable length sphygmomanometer cuff or sleeve
US3120846A (en) * 1962-09-12 1964-02-11 Daniel A Fletcher Pneumatic tourniquet

Cited By (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3756239A (en) * 1971-04-20 1973-09-04 Orthopedic Equipment Co Inflatable tourniquet
US4635635A (en) * 1984-11-29 1987-01-13 Aspen Laboratories, Inc. Tourniquet cuff
US4770175A (en) * 1986-10-22 1988-09-13 Western Clinical Engineering Ltd. Occlusive cuff
US4901732A (en) * 1988-01-15 1990-02-20 Williams Richard B Delta cuff
EP0368043A3 (en) * 1988-10-19 1991-07-31 Francesco Saverio Dioguardi Disposable tourniquet
EP0368043A2 (en) * 1988-10-19 1990-05-16 Francesco Saverio Dioguardi Disposable tourniquet
US5234459A (en) * 1989-11-20 1993-08-10 Hans Lee Method of controlling the flow of blood through a limb
US4979953A (en) * 1990-02-16 1990-12-25 Instrumed, Inc. Medical disposable inflatable tourniquet cuff
US5193549A (en) * 1990-07-11 1993-03-16 Biomedical Dynamics Corporation Inflatable cuff
US5433724A (en) * 1991-04-23 1995-07-18 Sumitomo Rubber Industries, Ltd. Compressive hemostatic belt
EP0514026A3 (en) * 1991-04-23 1992-12-09 Sumitomo Rubber Industries Limited Compressive haemostatic belt
EP0514026A2 (en) * 1991-04-23 1992-11-19 Sumitomo Rubber Industries Limited Compressive haemostatic belt
US5649954A (en) * 1991-09-30 1997-07-22 Mcewen; James A. Tourniquet cuff system
US5578055A (en) * 1991-09-30 1996-11-26 Mcewen; James A. Occlusive cuff
US5312431A (en) * 1991-09-30 1994-05-17 Abatis Medical Technologies Limited Occlusive cuff
US5454831A (en) * 1991-09-30 1995-10-03 Abatis Medical Technologies Ltd. Occlusive cuff system
WO1993006782A1 (en) * 1991-09-30 1993-04-15 Abatis Medical Technologies Limited Occlusive cuff
US5741295A (en) * 1991-09-30 1998-04-21 James A. McEwen Overlapping tourniquet cuff system
US5201758A (en) * 1992-01-07 1993-04-13 Boehringer Mannheim Corporation Disposable tourniquet cuff
US5464420A (en) * 1992-02-06 1995-11-07 Sumitomo Rubber Industries, Ltd. Compressive hemostatic belt
EP0554602A1 (en) * 1992-02-06 1993-08-11 Sumitomo Rubber Industries Limited Compressive hemostatic belt
JPH08500778A (en) * 1992-09-08 1996-01-30 ルメテック、アクティーゼルスカブ Fluid jet cutting structure and plant for food
US5413582A (en) * 1993-11-03 1995-05-09 Electromedics, Inc. Inflatable tourniquet cuff and method of making same
US5733304A (en) * 1996-08-21 1998-03-31 Instrumed, Inc. Disposable inflatable tourniquet cuff
US20080051827A1 (en) * 1999-08-20 2008-02-28 Western Clinical Engineering Ltd. Matching Limb Protection Sleeve For Tourniquet Cuff
US7909849B2 (en) 1999-08-20 2011-03-22 Mcewen James A Matching limb protection sleeve for tourniquet cuff
WO2002091929A1 (en) * 2001-05-12 2002-11-21 Bibby Sterilin Limited Tourniquet
US20060023069A1 (en) * 2004-06-14 2006-02-02 Hiroyuki Saito Connection device
US20060058688A1 (en) * 2004-09-15 2006-03-16 Omron Healthcare Co., Ltd. Cuff for blood pressure monitor
US20070032818A1 (en) * 2005-08-05 2007-02-08 Western Clinical Engineering Ltd. Surgical tourniquet cuff for limiting usage to improve safety
US7955352B2 (en) 2005-08-05 2011-06-07 Western Clinical Engineering, Ltd Surgical tourniquet cuff for limiting usage to improve safety
US20120203267A1 (en) * 2005-12-14 2012-08-09 Western Clinical Engineering Ltd. Disposable Tourniquet Cuff
US20100004676A1 (en) * 2005-12-14 2010-01-07 Western Clinical Engineering Ltd. Low-Cost Disposable Tourniquet Cuff
US7780698B2 (en) * 2005-12-14 2010-08-24 Western Clinical Engineering, Ltd. Low-cost disposable tourniquet cuff having improved safety
US20070244506A1 (en) * 2005-12-14 2007-10-18 Western Clinical Engineering Ltd. Low-Cost Disposable Tourniquet Cuff Having Improved Safety
US9480481B2 (en) * 2005-12-14 2016-11-01 Western Clinical Engineering Ltd. Low cost tourniquet cuff with integrated manufacture indicia
US20070135836A1 (en) * 2005-12-14 2007-06-14 Mcewen James A Low-cost disposable tourniquet cuff
US8137378B2 (en) * 2005-12-14 2012-03-20 Western Clinical Engineering, Ltd Low-cost disposable tourniquet cuff apparatus and method
US8142472B2 (en) * 2005-12-14 2012-03-27 Western Clinical Engineering, Ltd Low-cost disposable tourniquet cuff
US20070135835A1 (en) * 2005-12-14 2007-06-14 Western Clinical Engineering Ltd. Low-cost disposable tourniquet cuff apparatus and method
US8425551B2 (en) * 2005-12-14 2013-04-23 Western Clinical Engineering, Ltd Disposable tourniquet cuff
US20130245673A1 (en) * 2005-12-14 2013-09-19 Western Clinical Engineering Ltd. Low cost tourniquet cuff with integrated manufacture indicia
US20110087263A1 (en) * 2009-10-13 2011-04-14 Patrick Thomas Arber External Pneumatic Compression Device
US20160029910A1 (en) * 2013-03-07 2016-02-04 Omron Healthcare Co., Ltd. Blood pressure measurement cuff and method for manufacturing blood pressure measurement cuff
WO2020084624A1 (en) * 2018-10-25 2020-04-30 M.A.S. Med Global Ltd Tourniquet

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