US20050177919A1 - Medical garment - Google Patents

Medical garment Download PDF

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Publication number
US20050177919A1
US20050177919A1 US10/771,147 US77114704A US2005177919A1 US 20050177919 A1 US20050177919 A1 US 20050177919A1 US 77114704 A US77114704 A US 77114704A US 2005177919 A1 US2005177919 A1 US 2005177919A1
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US
United States
Prior art keywords
film
garment
skin
patch
subject
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
Application number
US10/771,147
Inventor
Igal Kushnir
Guy Ben-Ezra
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DeepBreeze Ltd
Original Assignee
DeepBreeze Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by DeepBreeze Ltd filed Critical DeepBreeze Ltd
Priority to US10/771,147 priority Critical patent/US20050177919A1/en
Assigned to DEEPBREEZE LTD. reassignment DEEPBREEZE LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BEN-EZRA, GUY, KUSHNIR, IGAL
Priority to PCT/IL2005/000146 priority patent/WO2005074791A2/en
Publication of US20050177919A1 publication Critical patent/US20050177919A1/en
Abandoned legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/683—Means for maintaining contact with the body
    • A61B5/6834—Means for maintaining contact with the body using vacuum
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6802—Sensor mounted on worn items
    • A61B5/6804—Garments; Clothes
    • A61B5/6805—Vests
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/683—Means for maintaining contact with the body
    • A61B5/6832—Means for maintaining contact with the body using adhesives
    • A61B5/6833—Adhesive patches
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/16—Details of sensor housings or probes; Details of structural supports for sensors
    • A61B2562/164—Details of sensor housings or probes; Details of structural supports for sensors the sensor is mounted in or on a conformable substrate or carrier

Definitions

  • the present invention relates to devices comprising a flexible film for application to a body surface.
  • Medical devices are often applied to a subject's skin in order to measure or record a parameter of the skin or to apply a stimulus to the skin.
  • Such devices include, for example, thermometers, stethoscopes, electrodes, microphones, and so on. If the device is to be applied to the skin for a short period of time (e.g. a stethoscope), it may be applied manually by the care giver. If the device is to be applied to the skin for a prolonged period of time (e.g. ECG electrodes), the device is usually affixed to the skin.
  • Such means of fixation include, for example, use of straps, embedding the device in a garment worn by the subject, or by means of a vacuum.
  • the present invention provides a thin flexible film that is applied to a subject's skin.
  • the film is formed into a patch or garment, the shape of which matches the skin surface to which it is to be applied.
  • the film is provided with means for firmly applying it to the shape of the skin surface.
  • Such means include elastic straps and/or a nipple for connection to a negative pressure source so as to generate a vacuum between the film and the skin surface.
  • the film Due to the firm attachment of the film to the skin surface, the film forms a smooth surface juxtaposed to the skin surface.
  • a medical device such as a microphone is applied to the film.
  • the absence of geometrical defects in the film surface allows the device to be applied firmly to the film surface.
  • a better airtight seal may be formed between the device and the film than is normally possible when the device is applied directly to the skin surface.
  • the film is preferably acoustically transparent in the frequency range of interest. In this case, an airtight seal between the microphone and the film, has been found to allow an acoustic signal to be recorded from the skin surface having a higher signal to noise ratio than is obtainable when the microphone is applied directly to the skin.
  • the invention provides a medical garment or patch, at least a portion of which is formed from a flexible, air-impervious film, the garment or patch being configured to be directly applied to a region of an individual's skin surface when the garment or patch is donned by an an individual.
  • the invention provides a system for applying a flexible film to a body surface comprising:
  • FIG. 1 shows a medical garment in accordance with one embodiment of the invention
  • FIG. 2 shows the garment of FIG. 1 after having been donned by an individual
  • FIG. 3 shows a portion of the garment of FIG. 1 after removal of air from between the film and skin surface
  • FIG. 4 shows application of a medical device to a portion of the garment of FIG. 1 ;
  • FIG. 5 shows a medical garment in accordance with another embodiment of the invention.
  • FIG. 6 shows the garment of FIG. 5 after having been donned by an individual.
  • FIG. 1 shows a film 5 for application to a body surface in accordance with one embodiment of the invention.
  • the film is incorporated into a vest 10 to be worn over a subject's trunk.
  • the vest 10 is shown in a front view in FIG. 1 a and in a rear view FIG. 1 b .
  • the vest includes a zipper 12 that is opened to allow the subject don the vest, and is then closed so as to create a tight fit of the vest over the subject's trunk.
  • the film 5 in this embodiment is formed from an air impervious material such as polyurethane or latex.
  • the film 5 forms the portion of the vest that is to be applied to a subject's back ( FIG. 1 b ).
  • the front of the vest is formed from an inelastic material 6 that may be for example a non-woven cellulose based material.
  • a nipple 16 extends from the film 5 that is configured to be attached to a source of negative pressure.
  • the inset 1 b shows a portion of the vest 10 and the nipple 16 .
  • a sealing surface 14 that forms an airtight seal with the skin when firmly pressed against the skin.
  • a similar sealing surface may also be present on the upper exposed edge of the film 5 around the neck region.
  • FIG. 1 a shows a portion of the vest 10 and a portion of a sealing surface 14 at an edge of the film.
  • the sealing surface 14 may be formed as a lip extending from the edge as shown in the insert 1 a .
  • the sealing surface may be formed from a biocompatible gel applied between the edge of the film 5 and the subject's skin.
  • the sealing surface may be formed by an adhesive layer applied along the edge of the film.
  • the nipple 16 is used to evacuate a chamber formed by the skin surface, the film 5 and the sealing surface 14 .
  • FIG. 2 shows the vest 10 of FIG. 1 after having been donned by a subject 20 .
  • the vest 10 is donned with the film 5 over the subject's back in direct contact with the subject's skin.
  • the nipple 16 has been connected to a vacuum pump 22 by means of a vacuum hose 24 .
  • the sealing surface or surfaces 14 are then pressed against the skin, so as to create an airtight seal with the skin at the edges of the vest.
  • the vacuum pump 22 is then activated in order to remove air trapped in the space bounded by the film 5 , the sealing lips 14 and the subject's skin. This causes the film 5 to be firmly applied to the subject's skin.
  • FIG. 3 shows the film 5 after having been affixed to a subject's skin 30 after applying a negative pressure via the nipple 16 to remove air trapped between the film 5 and the skin 30 .
  • a valve 32 located in the nipple 16 may be closed so that the hose 24 may be disconnected from the nipple 16 without loss of vacuum in the space between the film 5 and the skin 30 .
  • FIG. 4 shows application of a vacuum dome 40 to the film 5 , after removal of air from the space between the film 5 and the skin 30 .
  • the dome 40 is formed from an air impervious material.
  • a sealing ring 32 forms an airtight seal between the dome 40 and the film 5 .
  • a nipple 36 allows the interior 38 of the dome 40 to be evacuated by means of a vacuum pump (not shown).
  • the dome 40 may be used to affix a medical device to the film 5 such as a microphone 42 .
  • Application of the dome and device 40 to the film 5 is more hygienic than applying the dome 40 and device 42 directly to the skin surface.
  • FIG. 5 shows a film 5 for application to a body surface in accordance with another embodiment of the invention.
  • the film is incorporated into a vest 48 to be worn over a subject's trunk.
  • the vest 48 is shown in a front view in FIG. 5 a and in a rear view FIG. 5 b .
  • the embodiment of FIG. 5 is provided with a plurality of elastic straps 44 .
  • Each strap 44 has a left portion 45 and a separate right portion 46 .
  • the left portion 45 and the right portion 46 are joined together by means of a buckle 47 that allows the length of the straps 44 to be selected.
  • the straps 44 are opened to allow the subject don the vest, and are then closed so as to create a tight fit of the vest over the subject's trunk.
  • the film 5 is formed from an air impervious material such as polyurethane or latex.
  • the film 5 forms the portion of the vest that is to be applied to a subject's back ( FIG. 5 b ).
  • the front of the vest is formed from an inelastic material 6 that may be for example a non-woven cellulose based material.
  • FIG. 6 shows the vest 48 after having been donned by a subject 21 .
  • the vest 48 is donned with the film 5 over the subject's back in direct contact with the skin.
  • the lengths of the elastic straps 44 are determined so that the vest 48 fits snugly on the subject and the film 5 is applied firmly to the subject's skin.
  • a medical device may then be applied to the film 5 as described above for the embodiment of FIG. 1 .

Abstract

A medical garment or patch, at least a portion of which is formed from a flexible, air-impervious film. The garment or patch is configured to be directly applied to a region of an individual's skin surface when the garment or patch is donned by an individual. The garment may be used to apply a medical device to the body.

Description

    FIELD OF THE INVENTION
  • The present invention relates to devices comprising a flexible film for application to a body surface.
    • BACKGROUND OF THE INVENTION
  • Medical devices are often applied to a subject's skin in order to measure or record a parameter of the skin or to apply a stimulus to the skin. Such devices include, for example, thermometers, stethoscopes, electrodes, microphones, and so on. If the device is to be applied to the skin for a short period of time (e.g. a stethoscope), it may be applied manually by the care giver. If the device is to be applied to the skin for a prolonged period of time (e.g. ECG electrodes), the device is usually affixed to the skin. Such means of fixation include, for example, use of straps, embedding the device in a garment worn by the subject, or by means of a vacuum.
  • In many cases, functioning of a device applied to a subject's skin requires firm contact between the device and the skin. In practice, however, the presence of skin defects, such as hair, pimples or wrinkles, prevent firm application of the device to the skin. The problem is especially significant when a device is to be applied to the skin by vacuum. The presence of skin defects, often prevents the formation of an airtight seal between the device and the skin.
    • SUMMARY OF THE INVENTION
  • The present invention provides a thin flexible film that is applied to a subject's skin. The film is formed into a patch or garment, the shape of which matches the skin surface to which it is to be applied. The film is provided with means for firmly applying it to the shape of the skin surface. Such means include elastic straps and/or a nipple for connection to a negative pressure source so as to generate a vacuum between the film and the skin surface.
  • Due to the firm attachment of the film to the skin surface, the film forms a smooth surface juxtaposed to the skin surface. After firm application of the film to the skin surface, a medical device, such as a microphone is applied to the film. The absence of geometrical defects in the film surface allows the device to be applied firmly to the film surface. In particular, a better airtight seal may be formed between the device and the film than is normally possible when the device is applied directly to the skin surface. If the device is a microphone, the film is preferably acoustically transparent in the frequency range of interest. In this case, an airtight seal between the microphone and the film, has been found to allow an acoustic signal to be recorded from the skin surface having a higher signal to noise ratio than is obtainable when the microphone is applied directly to the skin.
  • Thus, in its first aspect, the invention provides a medical garment or patch, at least a portion of which is formed from a flexible, air-impervious film, the garment or patch being configured to be directly applied to a region of an individual's skin surface when the garment or patch is donned by an an individual.
  • In its second aspect, the invention provides a system for applying a flexible film to a body surface comprising:
    • (a) A garment or patch at least a portion of which is formed from an air impervious flexible film and having a nipple for connection to a source of negative pressure to remove air between the film and the body surface when the film is applied to the body surface; and
    • (b) a source of negative pressure.
    BRIEF DESCRIPTION OF THE DRAWINGS
  • In order to understand the invention and to see how it may be carried out in practice, a preferred embodiment will now be described, by way of non-limiting example only, with reference to the accompanying drawings, in which:
  • FIG. 1 shows a medical garment in accordance with one embodiment of the invention;
  • FIG. 2 shows the garment of FIG. 1 after having been donned by an individual;
  • FIG. 3 shows a portion of the garment of FIG. 1 after removal of air from between the film and skin surface;
  • FIG. 4 shows application of a medical device to a portion of the garment of FIG. 1;
  • FIG. 5 shows a medical garment in accordance with another embodiment of the invention; and
  • FIG. 6 shows the garment of FIG. 5 after having been donned by an individual.
    • DETAILED DESCRIPTION OF THE INVENTION
  • FIG. 1 shows a film 5 for application to a body surface in accordance with one embodiment of the invention. In the embodiment of FIG. 1, the film is incorporated into a vest 10 to be worn over a subject's trunk. The vest 10 is shown in a front view in FIG. 1 a and in a rear view FIG. 1 b. This is by way of example only, and the film may be configured to be applied to any skin region of the subject. The vest includes a zipper 12 that is opened to allow the subject don the vest, and is then closed so as to create a tight fit of the vest over the subject's trunk.
  • The film 5 in this embodiment is formed from an air impervious material such as polyurethane or latex. The film 5 forms the portion of the vest that is to be applied to a subject's back (FIG. 1 b). The front of the vest is formed from an inelastic material 6 that may be for example a non-woven cellulose based material. A nipple 16 extends from the film 5 that is configured to be attached to a source of negative pressure. The inset 1 b shows a portion of the vest 10 and the nipple 16. At the bottom exposed edge of the film 5 is a sealing surface 14 that forms an airtight seal with the skin when firmly pressed against the skin. A similar sealing surface may also be present on the upper exposed edge of the film 5 around the neck region. The inset FIG. 1 a shows a portion of the vest 10 and a portion of a sealing surface 14 at an edge of the film. The sealing surface 14 may be formed as a lip extending from the edge as shown in the insert 1 a. Alternatively, the sealing surface may be formed from a biocompatible gel applied between the edge of the film 5 and the subject's skin. As yet another alternative, the sealing surface may be formed by an adhesive layer applied along the edge of the film. As explained below, the nipple 16 is used to evacuate a chamber formed by the skin surface, the film 5 and the sealing surface 14.
  • FIG. 2 shows the vest 10 of FIG. 1 after having been donned by a subject 20. The vest 10 is donned with the film 5 over the subject's back in direct contact with the subject's skin. The nipple 16 has been connected to a vacuum pump 22 by means of a vacuum hose 24.
  • The sealing surface or surfaces 14 are then pressed against the skin, so as to create an airtight seal with the skin at the edges of the vest. The vacuum pump 22 is then activated in order to remove air trapped in the space bounded by the film 5, the sealing lips 14 and the subject's skin. This causes the film 5 to be firmly applied to the subject's skin.
  • FIG. 3 shows the film 5 after having been affixed to a subject's skin 30 after applying a negative pressure via the nipple 16 to remove air trapped between the film 5 and the skin 30. A valve 32 located in the nipple 16 may be closed so that the hose 24 may be disconnected from the nipple 16 without loss of vacuum in the space between the film 5 and the skin 30.
  • FIG. 4 shows application of a vacuum dome 40 to the film 5, after removal of air from the space between the film 5 and the skin 30. The dome 40 is formed from an air impervious material. A sealing ring 32 forms an airtight seal between the dome 40 and the film 5. A nipple 36 allows the interior 38 of the dome 40 to be evacuated by means of a vacuum pump (not shown). The dome 40 may be used to affix a medical device to the film 5 such as a microphone 42. Application of the dome and device 40 to the film 5 is more hygienic than applying the dome 40 and device 42 directly to the skin surface.
  • FIG. 5 shows a film 5 for application to a body surface in accordance with another embodiment of the invention. In the embodiment of FIG. 5, the film is incorporated into a vest 48 to be worn over a subject's trunk. The vest 48 is shown in a front view in FIG. 5 a and in a rear view FIG. 5 b. The embodiment of FIG. 5 is provided with a plurality of elastic straps 44. Each strap 44 has a left portion 45 and a separate right portion 46. The left portion 45 and the right portion 46 are joined together by means of a buckle 47 that allows the length of the straps 44 to be selected. The straps 44 are opened to allow the subject don the vest, and are then closed so as to create a tight fit of the vest over the subject's trunk.
  • The film 5 is formed from an air impervious material such as polyurethane or latex. The film 5 forms the portion of the vest that is to be applied to a subject's back (FIG. 5 b). The front of the vest is formed from an inelastic material 6 that may be for example a non-woven cellulose based material.
  • FIG. 6 shows the vest 48 after having been donned by a subject 21. The vest 48 is donned with the film 5 over the subject's back in direct contact with the skin. After donning, the lengths of the elastic straps 44 are determined so that the vest 48 fits snugly on the subject and the film 5 is applied firmly to the subject's skin. A medical device may then be applied to the film 5 as described above for the embodiment of FIG. 1.

Claims (8)

1. A medical garment or patch, at least a portion of which is formed from a flexible, air-impervious film, the garment or patch being configured to be directly applied to a region of an individual's skin surface when the garment or patch is donned by an individual
2. The garment or patch according to claim 1 wherein the film is made from polyurethane or latex.
3. The garment or patch according to claim 1 including a nipple for connection to a source of negative pressure so as to remove air between the film and the skin surface.
4. The garment or patch according to claim 1 wherein the means for conforming at least a portion of the film to the skin surface includes straps.
5. The garment according to claim 1 wherein the film is acoustically transparent in at least a predetermined frequency range.
6. A system for applying a flexible film to a body surface comprising:
(a) A garment or patch at least a portion of which is formed from an air impervious flexible film and having a nipple for connection to a source of negative pressure to remove air between the film and the body surface when the film is applied to the body surface; and
(b) a source of negative pressure.
7. The system according to claim 6 wherein the film is made from polyurethane or latex.
8. The system according to claim 6 wherein the film is acoustically transparent in at least a predetermined frequency range.
US10/771,147 2004-02-04 2004-02-04 Medical garment Abandoned US20050177919A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US10/771,147 US20050177919A1 (en) 2004-02-04 2004-02-04 Medical garment
PCT/IL2005/000146 WO2005074791A2 (en) 2004-02-04 2005-02-06 Medical garment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/771,147 US20050177919A1 (en) 2004-02-04 2004-02-04 Medical garment

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US20050177919A1 true US20050177919A1 (en) 2005-08-18

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US10/771,147 Abandoned US20050177919A1 (en) 2004-02-04 2004-02-04 Medical garment

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080139893A1 (en) * 2006-12-08 2008-06-12 Warren Lee Apparatus And System For Sensing and Analyzing Body Sounds
AU2008331393B2 (en) * 2007-12-07 2014-01-23 Med-Eng, Llc Apparatus and method for measuring and recording data from violent events

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EP2124745B1 (en) 2007-03-16 2011-08-31 Philips Intellectual Property & Standards GmbH System for rehabilitation and/or physical therapy for the treatment of neuromotor disorders

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US3745998A (en) * 1971-01-06 1973-07-17 Bio Medical Syst Inc Vacuum formed support structures and immobilizer devices
US4350000A (en) * 1981-03-13 1982-09-21 Lord Corporation Crowner noise shield
US4729377A (en) * 1983-06-01 1988-03-08 Bio-Stimu Trend Corporation Garment apparatus for delivering or receiving electric impulses
US5243706A (en) * 1991-09-13 1993-09-14 Minister Of National Defence Of Her Majesty's Canadian Government Micro-climate conditioning clothing
US5911222A (en) * 1992-08-07 1999-06-15 Bristol-Myers Squibb Liquid removal system
US6254580B1 (en) * 1995-04-27 2001-07-03 Pal Svedman Suction blister sampling
US6424852B1 (en) * 1996-10-18 2002-07-23 Lucid, Inc. System for confocal imaging within dermal tissue
US6530941B1 (en) * 1997-07-19 2003-03-11 Mueller Christian Device and method for fixing, compressing or shaping (parts) of the body
US6134714A (en) * 1999-04-12 2000-10-24 Mustang Survival Corp. Enhanced personal cooling garment
US20030088385A1 (en) * 1999-07-21 2003-05-08 Connwell, Inc. Physiological measuring system comprising a garment in the form of a sleeve or glove and sending apparatus incorporated in the garment
US6332825B1 (en) * 1999-08-30 2001-12-25 Victoria E. Henricksen Breast supporting garment utilizing slip resistant materials to control position of garment
US6440100B1 (en) * 2000-05-31 2002-08-27 John Gilbert Prentiss Concealed apparatus for hands free breast milk pumping and storage
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080139893A1 (en) * 2006-12-08 2008-06-12 Warren Lee Apparatus And System For Sensing and Analyzing Body Sounds
AU2008331393B2 (en) * 2007-12-07 2014-01-23 Med-Eng, Llc Apparatus and method for measuring and recording data from violent events

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Publication number Publication date
WO2005074791A2 (en) 2005-08-18
WO2005074791A3 (en) 2005-10-06

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