WO1994003131A1 - Warming blanket having multiple inlets and method - Google Patents
Warming blanket having multiple inlets and method Download PDFInfo
- Publication number
- WO1994003131A1 WO1994003131A1 PCT/US1993/007288 US9307288W WO9403131A1 WO 1994003131 A1 WO1994003131 A1 WO 1994003131A1 US 9307288 W US9307288 W US 9307288W WO 9403131 A1 WO9403131 A1 WO 9403131A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- blanket
- inlet ports
- multiple inlet
- supply source
- sealing means
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G9/00—Bed-covers; Counterpanes; Travelling rugs; Sleeping rugs; Sleeping bags; Pillows
- A47G9/02—Bed linen; Blankets; Counterpanes
- A47G9/0207—Blankets; Duvets
- A47G9/0215—Blankets; Duvets with cooling or heating means
-
- 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
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/0097—Blankets with active heating or cooling sources
-
- 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
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F2007/0059—Heating or cooling appliances for medical or therapeutic treatment of the human body with an open fluid circuit
- A61F2007/006—Heating or cooling appliances for medical or therapeutic treatment of the human body with an open fluid circuit of gas
-
- 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
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/02—Compresses or poultices for effecting heating or cooling
- A61F2007/0268—Compresses or poultices for effecting heating or cooling having a plurality of compartments being filled with a heat carrier
- A61F2007/0273—Compresses or poultices for effecting heating or cooling having a plurality of compartments being filled with a heat carrier with openings in the walls between the compartments serving as passageways for the filler
- A61F2007/0274—Compresses or poultices for effecting heating or cooling having a plurality of compartments being filled with a heat carrier with openings in the walls between the compartments serving as passageways for the filler the walls being reduced to spot connections, e.g. spot welds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S5/00—Beds
- Y10S5/941—Blanket with forced air flow
Definitions
- hypothermia is a condition of subnormal body
- US patent 2,512,559 to Williams also relates to a blanket for providing cooled air to a person.
- the blanket in Williams comprised a plurality of thin sheets of material connected together at a plurality of discrete locations and connected together in a continuous line about the peripheral edge.
- An air inlet was provided to communicate with space between the sheets to allow cool air to be supplied thereto. Again, no mention of hypothermia treatment or the supply of warm air is made.
- the blanket in Augustine et al comprises a plurality of inflatable hollow tubes having their interiors connected together through transverse openings.
- An entry port is provided in the upper surface of the blanket for admitting the cool or warm air and small exit ports are provided through the lower surface to allow the cool or warm air to flow out toward a body covered by the blanket.
- the blanket must be attached to an air supply or blower unit through a hose.
- the placement of the hose during surgery can be crucial, as full access to the patient can be compromised if the hose must be located in a position which the surgeon wants to occupy.
- the placement of the hose can create difficulties in locating other equipment such as I-V stands, monitors, etc. necessary for the surgical procedure.
- a blanket for a warm air convection system having multiple (at least two) inlets, each such inlet having means whereby such inlet may be selectively closed or opened.
- Fig. 1 is a plan view of a blanket for a forced warm air convection system according to one embodiment of the present invention. Detailed Description Of The Invention
- Fig. 1 is a plan view of a blanket, generally designated by reference numeral 10, for a forced warm air convection system, wherein the blanket 10, is appropriate for use in the operating room.
- the blanket 10, shown in Fig. 1 is an upper body blanket, designed to cover the upper body portions of a patient who is undergoing a surgical procedure to lower body portions.
- the blanket, 10, has a generally rectangular shape and include a head recess portion 20.
- the blanket 10 comprises two sheets of material which are sealed together along their peripheral edges and are connected together at connection spot welds 50, discretely located on the interior surface portions of the sheets. By connecting the sheets of the blanket 10, in this manner, the blanket 10, may be inflated by supplying air to the interior area formed between the sheets of material.
- the blanket 10, further includes a first inlet port 30, and a second inlet port 40.
- Inlet ports 30, 40 are in communication with the interior of the blanket 10, and may be used to supply air to the interior of the blanket 10, so as to inflate blanket 10.
- the lower surface (not shown) of the blanket 10, is provided with a plurality of small exit ports to allow warm air to escape from the blanket 10, toward a patient.
- the blanket 10 is placed over the upper body of a patient so that the patient's head remains exposed within the head recess portion 20, and the inlet ports 30, 40, are oriented in a direction pointing toward the top of the head of the patient. In this position, one inlet port will be located on each side of the patient's head.
- the inlet ports 30, 40 may initially be closed by any suitable means such as sealing, folding, taping, snapping, etc.
- means such as a perforated tear strip may be provided to enable easy opening of the inlet port selected for use.
- sealing of the inlet ports requires the user to select the inlet port to be used prior to operation of the blanket 10, and does not allow switching to the other inlet port during use. This is because once the permanent seal for such an inlet port has been broken or opened, it is not possible to re-close the inlet port.
- the inlet ports 30, 40 will be initially closed by means that allow re- closing.
- means such as an adhesive strip, double-sided tape, snaps, zippers, folding flaps, or a ziplock type seal, etc. may be utilized.
- the inlet ports 30, 40 are initially sealed by velcro strips to allow easy opening and re- closing.
- the blanket according to the present invention has several advantages.
- the user has the choice of positioning the air supply or blower unit and the supply hose on either side of the patient.
- the user may switch inlets during use. This is particularly advantageous in allowing the surgeon full access to the patient.
- spot welds 50 to connect the separate sheets of the blanket 10, also is advantageous.
- the spot welds 50 allow the free flow of warm air in all directions and therefore allow for better heat distribution within the blanket. This can be critical in reducing the occurrence of hot or cold spots within the blanket during use.
- the blanket may be formed of any suitable material capable of being sealed together at selected positions and having sufficient strength to allow inflation and adequate air distribution within the inflated portion.
- suitable materials include plastics, non-woven wood pulp compositions, laminated plastic and wood pulp materials, and combinations thereof.
- the present invention is primarily concerned with a blanket which can be used to supply warm air to a patient in the operating room during a surgical procedure, so as to help prevent the occurrence of hypothermia.
- the blankets according to the present invention could be used in areas other than the operating room, such as in the recovery room, or in the patient's regular hospital room.
- a source of pressurized cooled air could be provided to the blanket according to the present invention to control body temperature of the patient under conditions of hyperthermia.
- a supply source of warm air to each of the inlets when using the blanket according to the present invention.
- a single supply source could be connected to each inlet using a multiply branched supply hose.
- the supply hose could have a y-shaped configuration.
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
- Electric Stoves And Ranges (AREA)
- Drying Of Solid Materials (AREA)
- Secondary Cells (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50551494A JP3512410B2 (en) | 1992-08-03 | 1993-08-03 | Heated blanket and method with multiple inlets |
AT93918605T ATE188853T1 (en) | 1992-08-03 | 1993-08-03 | THERMAL BLANKET WITH MULTIPLE INLETS AND METHOD |
AU48001/93A AU4800193A (en) | 1992-08-03 | 1993-08-03 | Warming blanket having multiple inlets and method |
DE69327657T DE69327657T2 (en) | 1992-08-03 | 1993-08-03 | HEATING CEILING WITH SEVERAL INLETS AND PROCEDURE |
EP93918605A EP0654982B1 (en) | 1992-08-03 | 1993-08-03 | Warming blanket having multiple inlets and method |
CA002140753A CA2140753C (en) | 1992-08-03 | 1993-08-03 | Warming blanket having multiple inlets and method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/924,269 US5384924A (en) | 1992-08-03 | 1992-08-03 | Warming blanket having multiple inlets |
US07/924,269 | 1992-08-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1994003131A1 true WO1994003131A1 (en) | 1994-02-17 |
Family
ID=25449990
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1993/007288 WO1994003131A1 (en) | 1992-08-03 | 1993-08-03 | Warming blanket having multiple inlets and method |
Country Status (9)
Country | Link |
---|---|
US (6) | US5384924A (en) |
EP (1) | EP0654982B1 (en) |
JP (1) | JP3512410B2 (en) |
AT (1) | ATE188853T1 (en) |
AU (1) | AU4800193A (en) |
CA (1) | CA2140753C (en) |
DE (1) | DE69327657T2 (en) |
ES (1) | ES2141771T3 (en) |
WO (1) | WO1994003131A1 (en) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996012454A1 (en) * | 1994-10-19 | 1996-05-02 | Christine John | Heating blanket for use during medical operations |
US5632769A (en) * | 1994-01-26 | 1997-05-27 | Mallinckrodt Medical, Inc. | Warming blanket for pediatric use |
AU678753B3 (en) * | 1996-07-03 | 1997-06-05 | Jomesh Australia Pty Ltd | Reusable inflatable blankets |
US5640727A (en) * | 1995-10-18 | 1997-06-24 | Mallinckrodt Medical, Inc. | Contoured inflatable blanket |
US5675848A (en) * | 1995-10-18 | 1997-10-14 | Mallinckrodt Medical, Inc. | Inflatable blanket having perforations of different sizes |
US5683441A (en) * | 1994-07-25 | 1997-11-04 | Mallinckrodt Medical, Inc. | Inflatable blanket having air flow deflector |
US5735890A (en) * | 1995-10-18 | 1998-04-07 | Mallinckrodt Medical, Inc. | Inflatable blanket having access slits |
US5749109A (en) * | 1995-10-18 | 1998-05-12 | Mallinckrodt Medical, Inc. | Inflatable blanket having selective air flow patterns |
US5770696A (en) * | 1993-03-25 | 1998-06-23 | Novartis Corporation | Auxiliary proteins for enhancing the insecticidal activity of pesticidal proteins |
US5792216A (en) * | 1994-06-21 | 1998-08-11 | Mallincrodt Medical, Inc. | Methods of preventing hypothermia using an upper body warming blanket |
US5839133A (en) * | 1992-08-03 | 1998-11-24 | Mallinckrodt Medical, Inc. | Warming blanket having multiple inlets |
US5877012A (en) * | 1993-03-25 | 1999-03-02 | Novartis Finance Corporation | Class of proteins for the control of plant pests |
US5890243A (en) * | 1994-11-23 | 1999-04-06 | Mallinckrodt, Inc. | Inflatable blanket having openings formed therein |
US6291156B1 (en) | 1997-04-03 | 2001-09-18 | Syngenta Participations Ag | Plant pest control |
Families Citing this family (102)
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US5405371A (en) * | 1987-10-05 | 1995-04-11 | Augustine Medical, Inc. | Thermal blanket |
ES2029888T3 (en) | 1987-10-05 | 1992-10-01 | Augustine Medical, Inc. | A THERMAL COVER. |
US5317767A (en) * | 1992-06-16 | 1994-06-07 | Hargest Thomas S | Sudden infant death syndrome prevention apparatus and method |
US5350417A (en) * | 1993-05-18 | 1994-09-27 | Augustine Medical, Inc. | Convective thermal blanket |
US5964792A (en) * | 1996-08-02 | 1999-10-12 | Augustine Medical, Inc. | Convertible thermal blanket |
US5545194A (en) * | 1994-09-30 | 1996-08-13 | Augustine Medical, Inc. | Convertible thermal blanket |
US5674269A (en) * | 1995-02-06 | 1997-10-07 | Augustine Medical, Inc. | Patient warming system with user-configurable access panel |
US5773275A (en) | 1995-09-21 | 1998-06-30 | Augustine Medical, Inc. | Inflatable thermal blanket with provision for being secured during use |
US5697963A (en) * | 1995-12-20 | 1997-12-16 | Augustine Medical, Inc. | Thermal blanket for a patient sitting in a chair |
US5800483A (en) * | 1996-03-21 | 1998-09-01 | Microtek Medical, Inc. | System and method for sterile surgical-thermal drape with active air circulation |
US5991666A (en) * | 1996-03-21 | 1999-11-23 | Microtek Medical, Inc. | Sterile surgical-thermal draping system and method |
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US5728145A (en) * | 1996-07-22 | 1998-03-17 | Progressive Dynamics, Inc. | Thermal blanket with central air inlet |
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US5839133A (en) * | 1992-08-03 | 1998-11-24 | Mallinckrodt Medical, Inc. | Warming blanket having multiple inlets |
US5974605A (en) * | 1992-08-03 | 1999-11-02 | Mallinckrodt Inc. | Warming blanket having multiple inlets |
US6066783A (en) * | 1993-03-25 | 2000-05-23 | Novartis Finance Corporation | Genes encoding insecticidal proteins |
US6137033A (en) * | 1993-03-25 | 2000-10-24 | Novartis Finance Corporation | Class of proteins for the control of plant pests |
US5877012A (en) * | 1993-03-25 | 1999-03-02 | Novartis Finance Corporation | Class of proteins for the control of plant pests |
US5888801A (en) * | 1993-03-25 | 1999-03-30 | Novartis Finance Corporation | Pesticidal strains of bacillus |
US6107279A (en) * | 1993-03-25 | 2000-08-22 | Novartis Finance Corporation | Class of proteins for the control of plant pests |
US5990383A (en) * | 1993-03-25 | 1999-11-23 | Novartis Finance Corporation | Stably transformed plants comprising novel insecticidal proteins |
US5872212A (en) * | 1993-03-25 | 1999-02-16 | Novartis Finance Corporation | Pesticidal proteins and strains |
US6429360B1 (en) | 1993-03-25 | 2002-08-06 | Syngenta Investment Corporation | Plant pest control |
US5770696A (en) * | 1993-03-25 | 1998-06-23 | Novartis Corporation | Auxiliary proteins for enhancing the insecticidal activity of pesticidal proteins |
US5849870A (en) * | 1993-03-25 | 1998-12-15 | Novartis Finance Corporation | Pesticidal proteins and strains |
US5643337A (en) * | 1994-01-26 | 1997-07-01 | Mallinckrodt Medical, Inc. | Warming blanket for pediatric use |
US6156058A (en) * | 1994-01-26 | 2000-12-05 | Mallinckrodt Inc. | Warming blanket for pediatric use |
US5716387A (en) * | 1994-01-26 | 1998-02-10 | Mallinckrodt Medical, Inc. | Warming blanket for pediatric use |
US6013098A (en) * | 1994-01-26 | 2000-01-11 | Mallinckrodt Inc. | Warming blanket for pediatric use |
US5632769A (en) * | 1994-01-26 | 1997-05-27 | Mallinckrodt Medical, Inc. | Warming blanket for pediatric use |
US5792216A (en) * | 1994-06-21 | 1998-08-11 | Mallincrodt Medical, Inc. | Methods of preventing hypothermia using an upper body warming blanket |
US5683441A (en) * | 1994-07-25 | 1997-11-04 | Mallinckrodt Medical, Inc. | Inflatable blanket having air flow deflector |
WO1996012454A1 (en) * | 1994-10-19 | 1996-05-02 | Christine John | Heating blanket for use during medical operations |
US5890243A (en) * | 1994-11-23 | 1999-04-06 | Mallinckrodt, Inc. | Inflatable blanket having openings formed therein |
US6112348A (en) * | 1994-11-23 | 2000-09-05 | Mallinckrodt Inc. | Inflatable blanket having openings formed therein |
US5640727A (en) * | 1995-10-18 | 1997-06-24 | Mallinckrodt Medical, Inc. | Contoured inflatable blanket |
US5675848A (en) * | 1995-10-18 | 1997-10-14 | Mallinckrodt Medical, Inc. | Inflatable blanket having perforations of different sizes |
US5749109A (en) * | 1995-10-18 | 1998-05-12 | Mallinckrodt Medical, Inc. | Inflatable blanket having selective air flow patterns |
US5735890A (en) * | 1995-10-18 | 1998-04-07 | Mallinckrodt Medical, Inc. | Inflatable blanket having access slits |
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US6291156B1 (en) | 1997-04-03 | 2001-09-18 | Syngenta Participations Ag | Plant pest control |
Also Published As
Publication number | Publication date |
---|---|
US5839133A (en) | 1998-11-24 |
US5514169A (en) | 1996-05-07 |
US5343579A (en) | 1994-09-06 |
JPH07509388A (en) | 1995-10-19 |
ATE188853T1 (en) | 2000-02-15 |
JP3512410B2 (en) | 2004-03-29 |
EP0654982A4 (en) | 1995-08-09 |
CA2140753A1 (en) | 1994-02-04 |
DE69327657T2 (en) | 2000-08-31 |
US5360439A (en) | 1994-11-01 |
CA2140753C (en) | 2004-11-09 |
EP0654982A1 (en) | 1995-05-31 |
ES2141771T3 (en) | 2000-04-01 |
US5384924A (en) | 1995-01-31 |
EP0654982B1 (en) | 2000-01-19 |
US5974605A (en) | 1999-11-02 |
AU4800193A (en) | 1994-03-03 |
DE69327657D1 (en) | 2000-02-24 |
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