US3536063A - Apparatus for therapeutic care of the legs - Google Patents

Apparatus for therapeutic care of the legs Download PDF

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Publication number
US3536063A
US3536063A US733588A US3536063DA US3536063A US 3536063 A US3536063 A US 3536063A US 733588 A US733588 A US 733588A US 3536063D A US3536063D A US 3536063DA US 3536063 A US3536063 A US 3536063A
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Prior art keywords
boots
cushion
support
legs
boot
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US733588A
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Winfried Jean Werding
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H9/00—Pneumatic or hydraulic massage
    • A61H9/005—Pneumatic massage
    • A61H9/0078—Pneumatic massage with intermittent or alternately inflated bladders or cuffs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G15/00—Operating chairs; Dental chairs; Accessories specially adapted therefor, e.g. work stands
    • A61G15/007—Physiotherapeutic chairs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H1/00—Apparatus for passive exercising; Vibrating apparatus; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
    • A61H1/02—Stretching or bending or torsioning apparatus for exercising
    • A61H1/0237—Stretching or bending or torsioning apparatus for exercising for the lower limbs
    • A61H1/0244—Hip
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H9/00—Pneumatic or hydraulic massage
    • A61H9/005—Pneumatic massage
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/01—Constructive details
    • A61H2201/0119—Support for the device
    • A61H2201/0138—Support for the device incorporated in furniture
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/01—Constructive details
    • A61H2201/0119—Support for the device
    • A61H2201/0138—Support for the device incorporated in furniture
    • A61H2201/0149—Seat or chair
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/12—Driving means
    • A61H2201/1238—Driving means with hydraulic or pneumatic drive
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2205/00—Devices for specific parts of the body
    • A61H2205/10—Leg
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2205/00—Devices for specific parts of the body
    • A61H2205/12—Feet
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H9/00—Pneumatic or hydraulic massage
    • A61H9/005—Pneumatic massage
    • A61H9/0071—Pneumatic massage by localized pressure, e.g. air streams or jets

Definitions

  • the objections of the present invention are to avoid the above mentioned drawbacks.
  • the present invention relates primarily to the therapeutic care of the legs and comprises compression boots having an inflatable double wall wherein the inner wall of the boots is of d a non uniform thickness.
  • the thickness is greater in the prosimal part than in the distal part and the boots are supported by a pneumatic boot support having a variable inclinathe valves V4 and V6 while valves V1 and V remain closed.
  • the pressure with which the boot acts on the leg is also nonuniform and is greater in the distal part than in the proximal part.
  • the boot support with variable inclination also makes it possible to increase the effectiveness of the boot by facilitating the venous return by gravity.
  • FIG. 1 shows a perspective view of the apparatus.
  • FIG. la is an exploded cross-sectional view of one portion of a boot.
  • FIG. 2 shows a schematic view of the boots with their pneumatic support deflated.
  • FIG. 3 shows the pneumatic support completely inflated.
  • FIG. 4 is a schematic drawing of the pneumatic control circuit for the boots and the support.
  • the apparatus shown in FIG. 1 comprises two boots I and 2 secured to a pneumatic cushion 3 itself laid on a support 4.
  • the boots are preferably employed with a special chair 5 to the back of which is secured a control box 6.
  • the control box 6 is connected to a source of electric current through an electric cord 9 and controls the elevation of the cushion 3 and boots 1 and 2.
  • the control box 6 houses a fluid pump and a circuit of electromagnetically controlled valves which control the inflating and the deflating of the boots and of the cushion by regulating fluid flow through flexible tubes 10 and l 1.
  • Boots 1 have a double wall, the outer wall being rigid and possibly consisting of articulated elements, and the inner wall having a thickness diminishing from the entrance of the boots to their foot part as seen in FIG. Ia.
  • the deformation of the inner wall is consequently greater in the end part of the boot, corresponding to the distal part of the leg compressed by the boot due to the gradual tapering in thickness of the boot inner wall.
  • the compression of the blood vessels will therefore be greater in the distal part than in the proximal part.
  • FIG. 2 shows schematically the apparatus with the cushion in a completely deflated position while FIG. 3 shows the cushion in an inflated position and at maximum height.
  • the cushion 3 is constituted by three elements 31, 32 and 33 which can be successively inflated in order to obtain three different elevations, compartment 31 corresponding to an elevation of 45 while compartments 32 and 33 correspond each to an additional elevation of
  • compressed air introduced in the elements of the cushion does not till the enof the cushion is constituted by two lateral compartments each having a vertical double wall connected by afront compartment with a double wall forming a chamber whose perpendicular cross section has the shape of a U.
  • the chamber of element 32 is further connected to the chamber of element 31 through an electromagnetic valve V2 and the chamber of element 33 to the chamber: of element 32 by an electromagnetic valve V3.
  • These valves are, actuated by means of two additional control buttons (not shown) on comtrol box 6.
  • FIG. 4 shows the pneumatic layout of the pump and of the valves arranged in the controlbrnr 6.
  • This pneumatic circuit comprises a pump P, four electromagnetic valves V1, V4, V5 and V6 and two manually operated valves V7 and V8.
  • a control button 7 which effects energization of the pump and opening of the normally closed valves V1 and V5, with the air circulating in the pump in the direction shown by arrow F. According tojwhether it is desired to obtain only the inflation of the bootsor of the cushion I separately, or of the two simultaneously, the corresponding valves V7 and V8 will be opened or closed.
  • control button 8 which effects stopping of the pump P and opening of The air contained in the boot and in the cushion will therefore be pumped through valves V7 and V8, valve V4, the pump P and valve V6 through which it'will escape freely.
  • valves V7 and V8 will be opened in such a way that the extra height desired is reached before the boots are completely inflated to increase the effect of the compression of the boots through gravity and to avoid using pressures which may traumatize.
  • variable inclination support of the boots It is, for example, possible to use two elements of a rectangular pneumatic mattress connected by one of their sides, the opposite sides of these elements being connected througha flexible or rigid base. The adjustment of the inclination could then be made by adjusting the securing point of one of the elements to the base or adjusting the length of this base.
  • each boot can be supported by an individual inflatable support which afiords the possibility of separately adjusting the position of the legs.
  • the boot can present two superimposed chambers, the outer chamber being divided into separate compartments which may be selectively inflated while the interior chamber is not compartrnented.
  • the boot can present two superimposed chambers, the outer chamber being divided into separate compartments which may be selectively inflated while the interior chamber is not compartrnented.
  • the boots can also be provided with slide or hook closures allowing complete opening thereof. These closures can be adjustable and for this reason can be provided rows of buckles for the boots or several rows of slides.
  • Apparatus for therapeutic care of the legs comprising compression boots having an inflatable double wall, the inner wall of the boots having a nonuniform thickness, this thickness being greater in the proximal part than in the distal part of the boots, a variable inclination pneumatic support supporting thereon said boots, and means for controlling the inflation of the boots and of the support.
  • the support consists of a cushion comprising several chambers connected by tire volume occupied by the cushion, but each of the elements valves.
  • Apparatus according to claim 1 wherein the means for controlling the inflation of the boots and the support are arranged in such a way that the inflation of the boots and of the support takes place simultaneously, the excess elevation tc llesired being reached before the boots are completely inated.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Rehabilitation Therapy (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pain & Pain Management (AREA)
  • Epidemiology (AREA)
  • Biophysics (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Rehabilitation Tools (AREA)
  • Massaging Devices (AREA)

Description

United States Patent [72] Inventor WinfrledJeInWel'ding [56] References Cited #22; 5 mm Switwhnd UNITED STATES PATENTS 1 [211 APPL 2,315,997 4/1943 Ginsber 128/25 [221 Filed 1968 3 391 692 7 I968 s ielber 12s 24 p g 52:2? 3,392,723 7/1968 Calvin 128/24 9 [33] swmerhmd FOREIGN PATENTS [31] 7,703 7 608,849 2/ 1926 France 4 128/25 Primary Examiner-L. W. Trapp AttorneysRobert E. Burns and Emmanuel J. Lobfi'to 1 1 mmwsTw-mcm zz'iiimgzzzazzsx3:31:32:
LEGS flatable double wall, the inner wall of the boots having a non 5 Claims 5 Drawing uniform thickness, which is greater in the proximal part than [52] US. Cl 128/24 in the distal part of the boots. The boots are supported on a [51] Int. Cl A6lh l/00 variable inclination pneumatic support and means are pro- [50] Field of Search 128/1. 24, vided for controlling the inflation of the boots andbf the sup- 25 port.
Patented Oct. 27, 1970 3,536,063
Sheet 1 of 2 Patented I Oct. 27, 1970 Sheet APPARATUS FOR THERAPEUTIC CARE OF THE LEGS It is known in the therapeutic art to use sleeves or specially constructed boots in order to transport patients with broken limbs.
There is also known an apparatus which uses boots having an inflatable double wall which is inflated and deflated automatically by means of a preselected program in which the time and pressure can be varied. These boots however have the drawback of exerting an equal pressure on all thepoints of the enclosed limb. The veins can be readily compressed with a pressure of 60 mm Hg, but efl'ective therapeutic pressures are of the order of 120 to 200 mm Hg. However such a compression applied uniformly on the entire leg has for aneffect to obstruct the veins at the level of the thighs preventing the venous return which the compression is precisely intended to improve.
The objections of the present invention are to avoid the above mentioned drawbacks.
The present invention relates primarily to the therapeutic care of the legs and comprises compression boots having an inflatable double wall wherein the inner wall of the boots is of d a non uniform thickness. The thickness is greater in the prosimal part than in the distal part and the boots are supported by a pneumatic boot support having a variable inclinathe valves V4 and V6 while valves V1 and V remain closed.
tion along with suitable control means for inflating the boots and the support.
As a result of the nonuniform thickness of the inner wall, the pressure with which the boot acts on the leg is also nonuniform and is greater in the distal part than in the proximal part. The boot support with variable inclination also makes it possible to increase the effectiveness of the boot by facilitating the venous return by gravity.
The accompanying drawing represents by way of example one form of the invention.
FIG. 1 shows a perspective view of the apparatus.
FIG. la is an exploded cross-sectional view of one portion of a boot.
FIG. 2 shows a schematic view of the boots with their pneumatic support deflated.
FIG. 3 shows the pneumatic support completely inflated.
FIG. 4 is a schematic drawing of the pneumatic control circuit for the boots and the support.
The apparatus shown in FIG. 1 comprises two boots I and 2 secured to a pneumatic cushion 3 itself laid on a support 4.
The boots are preferably employed with a special chair 5 to the back of which is secured a control box 6. The control box 6 is connected to a source of electric current through an electric cord 9 and controls the elevation of the cushion 3 and boots 1 and 2. The control box 6 houses a fluid pump and a circuit of electromagnetically controlled valves which control the inflating and the deflating of the boots and of the cushion by regulating fluid flow through flexible tubes 10 and l 1.
Boots 1 have a double wall, the outer wall being rigid and possibly consisting of articulated elements, and the inner wall having a thickness diminishing from the entrance of the boots to their foot part as seen in FIG. Ia. When compressed air is introduced between the two walls of the boots, the deformation of the inner wall is consequently greater in the end part of the boot, corresponding to the distal part of the leg compressed by the boot due to the gradual tapering in thickness of the boot inner wall. The compression of the blood vessels will therefore be greater in the distal part than in the proximal part.
FIG. 2 shows schematically the apparatus with the cushion in a completely deflated position while FIG. 3 shows the cushion in an inflated position and at maximum height.
The cushion 3 is constituted by three elements 31, 32 and 33 which can be successively inflated in order to obtain three different elevations, compartment 31 corresponding to an elevation of 45 while compartments 32 and 33 correspond each to an additional elevation of In order to avoid overworking of the pump, compressed air introduced in the elements of the cushion does not till the enof the cushion is constituted by two lateral compartments each having a vertical double wall connected by afront compartment with a double wall forming a chamber whose perpendicular cross section has the shape of a U.
The chamber of element 32 is further connected to the chamber of element 31 through an electromagnetic valve V2 and the chamber of element 33 to the chamber: of element 32 by an electromagnetic valve V3. These valves are, actuated by means of two additional control buttons (not shown) on comtrol box 6.
FIG. 4 shows the pneumatic layout of the pump and of the valves arranged in the controlbrnr 6. This pneumatic circuit comprises a pump P, four electromagnetic valves V1, V4, V5 and V6 and two manually operated valves V7 and V8.
When it is desired to inflate the boots and/or the cushion, the operator presses on a control button 7 which effects energization of the pump and opening of the normally closed valves V1 and V5, with the air circulating in the pump in the direction shown by arrow F. According tojwhether it is desired to obtain only the inflation of the bootsor of the cushion I separately, or of the two simultaneously, the corresponding valves V7 and V8 will be opened or closed.
To deflate the apparatus, the operator presses on control button 8 which effects stopping of the pump P and opening of The air contained in the boot and in the cushion will therefore be pumped through valves V7 and V8, valve V4, the pump P and valve V6 through which it'will escape freely.
During the simultaneous inflation of the'boots, valves V7 and V8 will be opened in such a way that the extra height desired is reached before the boots are completely inflated to increase the effect of the compression of the boots through gravity and to avoid using pressures which may traumatize.
Various modifications are possible for constructing the variable inclination support of the boots. It is, for example, possible to use two elements of a rectangular pneumatic mattress connected by one of their sides, the opposite sides of these elements being connected througha flexible or rigid base. The adjustment of the inclination could then be made by adjusting the securing point of one of the elements to the base or adjusting the length of this base.
It is naturally possible to arrange the base of the cushion on an inclined support if it is desired to adjust the position of the legs below the horizontal. I
In a modification, each boot can be supported by an individual inflatable support which afiords the possibility of separately adjusting the position of the legs. I
In a variant, it is possible to obtain another nonuniform pressure by utilizing a boot with walls of uniform thickness having a variable separation between the extreme edge of the boot and the leg of the patient in such a way that the interior edge more rapidly exerts a pressure on certain points on others.
In another variant, the boot can present two superimposed chambers, the outer chamber being divided into separate compartments which may be selectively inflated while the interior chamber is not compartrnented. Such a system'perr'nits adjustment of localised pressure on the leg in an extremely precise manner.
The boots can also be provided with slide or hook closures allowing complete opening thereof. These closures can be adjustable and for this reason can be provided rows of buckles for the boots or several rows of slides.
I claim:
1. Apparatus for therapeutic care of the legs comprising compression boots having an inflatable double wall, the inner wall of the boots having a nonuniform thickness, this thickness being greater in the proximal part than in the distal part of the boots, a variable inclination pneumatic support supporting thereon said boots, and means for controlling the inflation of the boots and of the support.
2. Apparatus according to claim 1, wherein the support consists of a cushion comprising several chambers connected by tire volume occupied by the cushion, but each of the elements valves.
5. Apparatus according to claim 1, wherein the means for controlling the inflation of the boots and the support are arranged in such a way that the inflation of the boots and of the support takes place simultaneously, the excess elevation tc llesired being reached before the boots are completely inated.
US733588A 1967-05-31 1968-05-31 Apparatus for therapeutic care of the legs Expired - Lifetime US3536063A (en)

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CH770867A CH473581A (en) 1967-05-31 1967-05-31 Therapeutic leg care facility

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AT (1) AT283582B (en)
BE (1) BE715947A (en)
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DE (1) DE1766479A1 (en)
FR (1) FR1570093A (en)
GB (2) GB1233074A (en)
NL (1) NL6807762A (en)

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3866604A (en) * 1973-09-28 1975-02-18 Avco Everett Res Lab Inc External cardiac assistance
US4013069A (en) * 1975-10-28 1977-03-22 The Kendall Company Sequential intermittent compression device
US4029087A (en) * 1975-10-28 1977-06-14 The Kendall Company Extremity compression device
US4030488A (en) * 1975-10-28 1977-06-21 The Kendall Company Intermittent compression device
US4269175A (en) * 1977-06-06 1981-05-26 Dillon Richard S Promoting circulation of blood
EP0254522A2 (en) * 1986-07-19 1988-01-27 Smith and Nephew Associated Companies p.l.c. Continuous passive motion device for limbs
GB2193106A (en) * 1986-07-19 1988-02-03 Smith & Nephew Ass Device for passive movement e.g. of the legs
WO1992019206A1 (en) * 1989-10-12 1992-11-12 Horace Bullard Apparatus and method for movement of blood
US5762618A (en) * 1995-06-14 1998-06-09 Kabushiki Kaisha Fuji Iryoki Chair-type air massage device
US5769797A (en) * 1996-06-11 1998-06-23 American Biosystems, Inc. Oscillatory chest compression device
US5792082A (en) * 1995-06-14 1998-08-11 Kabushiki Kaisha Fuji Iryoki Chair-type air massage device
US6030353A (en) * 1998-04-28 2000-02-29 American Biosystems, Inc. Pneumatic chest compression apparatus
US6210345B1 (en) 1999-10-04 2001-04-03 American Biosystems, Inc. Outcome measuring airway resistance diagnostic system
US6379316B1 (en) 1999-08-31 2002-04-30 Advanced Respiratory, Inc. Method and apparatus for inducing sputum samples for diagnostic evaluation
US20070239087A1 (en) * 2005-10-14 2007-10-11 Hill-Rom Services, Inc. Variable stroke air pulse generator
US8460223B2 (en) 2006-03-15 2013-06-11 Hill-Rom Services Pte. Ltd. High frequency chest wall oscillation system
WO2015097331A1 (en) * 2013-12-23 2015-07-02 Servicio Andaluz De Salud Device for inducing ischemia in limbs
US9795752B2 (en) 2012-12-03 2017-10-24 Mhs Care-Innovation, Llc Combination respiratory therapy device, system, and method
US9872812B2 (en) 2012-09-28 2018-01-23 Kpr U.S., Llc Residual pressure control in a compression device
CN109009948A (en) * 2018-07-17 2018-12-18 吕家环 A kind of leg massage instrument
US20200009008A1 (en) * 2007-05-31 2020-01-09 Aoti, Inc. Controller For An Extremity Hyperbaric Device
US12080401B2 (en) 2012-12-03 2024-09-03 Metrohealth Ventures Llc Combination respiratory therapy device, system and method

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Publication number Priority date Publication date Assignee Title
DE1201238B (en) * 1961-04-17 1965-09-16 Udo Langelott Dipl Ing Device for the pneumatic conveying of coarse or fine-grained goods in a closed strand form
JPS51131893U (en) * 1975-04-16 1976-10-23
US4408599A (en) * 1981-08-03 1983-10-11 Jobst Institute, Inc. Apparatus for pneumatically controlling a dynamic pressure wave device
DE3326801A1 (en) * 1983-07-26 1985-02-14 Friedrich 8950 Kaufbeuren Horn Extension device
US4895183A (en) * 1988-11-08 1990-01-23 Ogura Jewel Industry Co., Ltd. Valve for fluid mat and apparatus for controlling an attitude assumed by fluid mat
DE19646468A1 (en) * 1996-11-11 1998-05-14 Rainer H Behnke Leg massage apparatus

Cited By (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3866604A (en) * 1973-09-28 1975-02-18 Avco Everett Res Lab Inc External cardiac assistance
US4013069A (en) * 1975-10-28 1977-03-22 The Kendall Company Sequential intermittent compression device
US4029087A (en) * 1975-10-28 1977-06-14 The Kendall Company Extremity compression device
US4030488A (en) * 1975-10-28 1977-06-21 The Kendall Company Intermittent compression device
US4269175A (en) * 1977-06-06 1981-05-26 Dillon Richard S Promoting circulation of blood
GB2193106B (en) * 1986-07-19 1990-03-21 Smith & Nephew Ass Continuous passive motion device
GB2193106A (en) * 1986-07-19 1988-02-03 Smith & Nephew Ass Device for passive movement e.g. of the legs
EP0254522A3 (en) * 1986-07-19 1989-04-05 Smith and Nephew Associated Companies p.l.c. Continuous passive motion device for limbs
EP0254522A2 (en) * 1986-07-19 1988-01-27 Smith and Nephew Associated Companies p.l.c. Continuous passive motion device for limbs
WO1992019206A1 (en) * 1989-10-12 1992-11-12 Horace Bullard Apparatus and method for movement of blood
US5792082A (en) * 1995-06-14 1998-08-11 Kabushiki Kaisha Fuji Iryoki Chair-type air massage device
US5762618A (en) * 1995-06-14 1998-06-09 Kabushiki Kaisha Fuji Iryoki Chair-type air massage device
US5769797A (en) * 1996-06-11 1998-06-23 American Biosystems, Inc. Oscillatory chest compression device
US6036662A (en) * 1996-06-11 2000-03-14 American Biosystems, Inc. Oscillatory chest compression device
USRE40814E1 (en) 1996-06-11 2009-06-30 Hill-Rom Services, Inc. Oscillatory chest compression device
US6030353A (en) * 1998-04-28 2000-02-29 American Biosystems, Inc. Pneumatic chest compression apparatus
US7018348B2 (en) 1999-08-31 2006-03-28 Hill-Rom Services, Inc. Method and apparatus for inducing sputum samples for diagnostic evaluation
US6379316B1 (en) 1999-08-31 2002-04-30 Advanced Respiratory, Inc. Method and apparatus for inducing sputum samples for diagnostic evaluation
US20020087097A1 (en) * 1999-08-31 2002-07-04 American Biosystems, Inc. Method and apparatus for inducing sputum samples for diagnostic evaluation
US6340025B1 (en) 1999-10-04 2002-01-22 American Biosystems, Inc. Airway treatment apparatus with airflow enhancement
US6910479B1 (en) 1999-10-04 2005-06-28 Advanced Respiratory, Inc. Airway treatment apparatus with bias line cancellation
US6415791B1 (en) 1999-10-04 2002-07-09 American Biosystems, Inc. Airway treatment apparatus with cough inducement
US6210345B1 (en) 1999-10-04 2001-04-03 American Biosystems, Inc. Outcome measuring airway resistance diagnostic system
US20070239087A1 (en) * 2005-10-14 2007-10-11 Hill-Rom Services, Inc. Variable stroke air pulse generator
US7785280B2 (en) 2005-10-14 2010-08-31 Hill-Rom Services, Inc. Variable stroke air pulse generator
US9968511B2 (en) 2006-03-15 2018-05-15 Hill-Rom Services Pte. Ltd. High frequency chest wall oscillation system
US8460223B2 (en) 2006-03-15 2013-06-11 Hill-Rom Services Pte. Ltd. High frequency chest wall oscillation system
US11110028B2 (en) 2006-03-15 2021-09-07 Hill-Rom Services Pte. Ltd. High frequency chest wall oscillation system
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Also Published As

Publication number Publication date
BE715947A (en) 1968-10-16
CH473581A (en) 1969-06-15
FR1570093A (en) 1969-06-06
AT283582B (en) 1970-08-10
DE1766479A1 (en) 1971-08-05
GB1234370A (en) 1971-06-03
GB1233074A (en) 1971-05-26
NL6807762A (en) 1968-12-02

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