US3712298A - Medical treatment apparatus - Google Patents

Medical treatment apparatus Download PDF

Info

Publication number
US3712298A
US3712298A US3712298DA US3712298A US 3712298 A US3712298 A US 3712298A US 3712298D A US3712298D A US 3712298DA US 3712298 A US3712298 A US 3712298A
Authority
US
United States
Prior art keywords
limb
container
pressure
seal
aperture
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.)
Expired - Lifetime
Application number
Inventor
C Snowdon
R Redhead
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.)
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
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 National Research Development Corp UK filed Critical National Research Development Corp UK
Priority to US6676770A priority Critical
Application granted granted Critical
Publication of US3712298A publication Critical patent/US3712298A/en
Anticipated expiration legal-status Critical
Application status is Expired - Lifetime legal-status Critical

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61HPHYSICAL 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
    • A61H9/00Pneumatic or hydraulic massage
    • A61H9/005Pneumatic massage
    • A61H9/0071Pneumatic massage by localized pressure, e.g. air streams or jets

Abstract

Apparatus and method for treating a human limb. The apparatus comprises a container connected to a source of gas under pressure. The limb intrudes into the container through a seal which allows gas to leak out over the surface of the limb at a controlled rate, so ventilating the limb. The leaking seal is so constructed that it applies no tourniquet effect to the distal end of the limb within the container. The seal may register with a substantial length of the limb, which may thus be subjected to a beneficial pressure gradient.

Description

Edited States Patent Snowdon et a1. 1 1 Jan. 23, 1973 541 MEDICAL TREATMENT APPARATUS 3,217,707 11/1965 Werding ..128/38 x [75] IIIVGIltOISZ Charles Snowdon, FOREIGN PATENTS OR APPLICATIONS Redhead, Richmond, both of England 1,906,509 7/1970 Germany 128/40 Corporation, London, England- Att0rneyCameron, Kerkam & Sutton [22] F1led: Aug. 25, 1970 ABSTRACT 21 A 1. N 66,767 1 pp 0 Apparatus and method for treating a human limb. The apparatus comprises a container connected to a [52] US. Cl. ..128/40, 128/184, 128/299 source of gas under pressure. The limb intrudes into [51] Int. Cl. ..A6lh 1/00 the container through a seal which allows gas to leak Field 01 Search 1 out over the surface of the limb at a controlled rate, so I ventilating the limb. The leaking seal is so constructed that it applies no tourniquet effect to the distal end of [56] References C'ted the limb within the container. The seal may register UNITED STATES PATENTS with a substantlal lengthbf the l1mb, wh ch may thus be sub ected to a benefic1al pressure grad1ent.

3,477,427 11/1969 Lapidus ..12s/s2.1 3,450,450 6/1969 Hopkins et al. ..312/1 6 Clams, 12 Drawmg Figures 2,695,605 11/1954 Gibbon ..128/1 B 3,103,016 9/1963 Perlman ..128/82.1 UX

6 6o 1 1 :51: :I.:: -f,;

a 2. a: i 23 m 9 "1 5 PATENIEDJMIZS I973 3,712,298

SHEET 3 [IF 4 PATENIEUJAN 23 1973 SHEET 0F 4 1 MEDICAL TREATMENT APPARATUS This invention relates to medical treatment of limbs of the body, and to apparatus for carrying out the treatment. It applies particularly to the treatment of limbs that have been badly burned, or of a limb such as the stump that remains after an amputation. During conventional post-operative treatment, such stump is encased in a fixed volume dressing such as a plaster cast. This treatment is beneficial because it opposes the tendency for fluids to accumulate and cause swelling. However, the treatment also has some disadvantages. For instance, slight movement of the stump within the cast may create a slight clearance between the distal end of the cast and the stump within it. This causes the maintained pressure between the rest of the cast and the stump to produce an undesirable tourniquet effect. The stump can also suffer from lack of ventilation and from other factors leading to sepsis, and the presence of the cast hinders any normal and regular examination whereby such a condition might otherwise be detected at an early stage. An object of the present invention is to facilitate medical treatment whereby these disadvantages may be diminished while many benefits are retained.

The scope of my invention is defined by the claims at the end of this specification, and certain apparatus according to the invention will now be described, with reference to the accompanying drawings, in which:

FIG. 1 is a part schematic drawing of one apparatus;

FIGS. 2, 3 and 4 are perspective drawings of a detail of FIG. 1',

FIG. 5 is an axial section through another apparatus;

FIG. 6 is a similar section through a further apparatus;

FIG. 7 is a diagrammatic drawing illustrating the form of the sock shown in FIG. 6;

FIG. 8 is an axial section through yet a further apparatus;

FIG. 9 is an axial section through the sock of FIG. 7, when not under pressure; and

FIGS. 10, 11 and 12 are graphs illustrating modes of treatment possible with apparatus according to the invention.

In FIG. 1 treatment apparatus includes a container comprising a rigid transparent cylinder 1 of Perspex or similar material. At one end of the cylinder a rigid end plate 2 is fixed by bolts 3, making a joint with the aid of a gasket 4. End plate 2 contains an inlet 5 for air under pressure, and provides a mounting for a temperature sensor 6 and a humidity sensor 7. A pressure sensor 8 is mounted in the wall of cylinder 1. A pump 9 draws in fresh air or other suitable gas through an inlet 10 and pumps it first through a pressure regulating device 11 responsive to sensor 8, then through a temperature regulator 12 responsive to sensor 6, then through a humidity regulator 13 responsive to sensor 7, and finally through a bacterial filter 14 before the air supply, now purified and carefully controlled as to temperature, pressure and humidity, enters the cylinder via inlet 5. Regulating devices ll, 12 and 13 may be preset. Alternatively, by means of a programming device, they may be programmed to maintain a desired relationship between the parameters concerned although the values of each of these may change. As indicated by the dotted extensions 6a and 7a of 6 and 7, these sensors and others not shown could respond to conditions e.g., surface temperature, weight, surface moisture, color, body temperature, etc. on or in the limb itself, not just within the container.

At the other end of cylinder 1 a gasket 15 and bolts 16 make an air-tight joint with an end plate 17 containing a central aperture 18. A hollow cylindrical member 19 carries a flange 20 which is fastened to the outer face of end plate 17, around the aperture 18, by bolts 21. A human limb 22, for treatment within chamber 1, is inserted through cylindrical member 19, at the righthand end of which is a seal 23, described in more detail with reference to FIGS. 2, 3 and 4.

Inside chamber 1, the limb may be subjected to sterile air under variable pressure, as will be described. It is essential, however, that the atmosphere should be capable of exerting a pressure upon the limb that exceeds atmospheric pressure, typically by 0.3 to 1.5 psi. It is also desirable that the seal 23 shall exert no greater pressure upon the part of the limb that lies within it than is exerted upon the rest of the limb lying within the chamber. Any tourniquet effect of the seal would be most undesirable. An element of a suitable seal, as used in the apparatus of FIGS. 1 and 5, is shown in FIG. 2 and comprises a piece of flexible material, inelastic and preferably fluid-tight, folded at 24 to form a slingshaped member with triangular sides 25 and U-shaped edges 26, 27. As FIG. 3 shows most plainly, the members are mounted in a ring around the inner surface of the free end of cylindrical member 19, with sides 25 of adjacent members in contact and with edges 26 bonded to member 19 and lying parallel to the axis of it. The convex faces of the U-bends 24 face axially outwards, and the radial depth of the members is such that they leave a circular clearance 28 around the axis of member 19. The girth of this clearance is smaller than that of any limb that may require treatment within the apparatus. When no limb is inserted through the seal, air at high pressure within cylinder 1 will cause each of the members of the seal to take up the shape shown in FIG. 3, and throughput of air will be great because it can escape with ease through clearance 28. However, when a limb is inserted, as shown in FIG. 4, the radially inner end 29 of each U-bend 24 will conform to the surface of the limb, and air will escape through the seal by forcing itself through the gaps between the sides'25 of adjacent seal members, or by leaking through the similar clearance between the inner ends 29 of the seal members and the intruding limb. Thus the folds 24 of the seal members constitute a deflectable end wall of the container. when deflected by an intruding limb, the seal members take up a funnel shape in which the spout of the funnel is defined by the radially inner ends 29 of all the members, and the stem of the funnel is formed by the parts of the members that conform to the surface of the limb.

The flexibility of the material ensures that the pressure it exerts upon that part of the limb passing through the seal is dictated only by the pressure difference between the inside and outside of chamber 1, and is nominally the same as that exerted upon all parts of the limb that lie completely within the chamber. Furthermore, the seal allows air to escape from within the chamber at a reasonable rate when a limb is inserted, and this facilitates continuous changing of the pressurized atmosphere within the chamber, and thus ventilation of the limb being treated, and prevents the ingress of undesirable bacteria.

Apparatus according to the invention enables pressure to be applied to the limb under treatment. The application of pressure is of benefit in counteracting oedema or swelling which endangers limbs so often after serious tissue damage such as amputation. Unlike the plaster cast, the apparatus shown in FIG. 1 allows the limb to be surrounded by an atmosphere of sterile air, to be ventilated by constant changing of that atmosphere, and to be continuously visible. The nature of the seal 23 is such that even if the girth of the part of the limb lying within it changes, the flexible material of the members of the seal will allow the dimensions of the seal to change with it without introducing extraneous pressures.

The apparatus so far described with reference to FIG. 1 has a rigid chamber and considerably limits the mobility of the patient. However, with the modified apparatus of FIG. the patient can be a little. more mobile. Here the wall of the container is of lightweight, flexible, inelastic air-tight transparent plastics material, for example that sold under the trade mark Melinex. The air inlet 5, at the left-hand end in the figure, comprises a hollow conical boss 31 containing a threaded portion 32 to receive a hose carrying the pressure air supply. The flexible wall 30 is attached to boss 31 by a rubber ring 33 which registers with a groove 34. At the other end, the wall 30 is bonded to a flexible sleeve 35 on which is mounted the seal 23. A strap-type harness 37 is anchored to sleeve 35 at opposite ends of a diameter. This is necessary to attach the apparatus to the patient, since the higher pressure inside the chamber than outside tends to blow the apparatus off the patient. The same applies to the apparatus of FIG. 1, but in that case the patient is almost bound to be a lying case and it will be simple to mount supports on the bed to prevent patient and apparatus blowing apart. With the apparatus of FIG. 5, the harness 37 will pass round some part of the patients body; for instance, if the limb being treated is the stump of an amputated leg, harness 37 may pass round the back of the patients waist, or may be a form of shoulder harness.

The apparatus hitherto described enables the limb to be subjected to a uniform pressure, but not to a pressure gradient along the length of the limb. It may be desirable to subject a stump or other limb to such a pressure gradient, the maximum pressure being at the distal end of the stump, thus assisting the driving of fluid away from it towards the body. Apparatus according to the invention, which achieves this effect, is shown in FIGS. 6 to 8. In FIG. 6 the container is a resilient, gas-tight sock 38 with a gas inlet 39 connected at 40 to a hose 41 coming from a pump, which may be associated with sensing and controlling devices as described with relation to FIG. 1. 42 represents the stump of a human limb lying within the sock.

FIG. 7 compares the shape of a typical stump 42 with the shape of the sock 38 when unstretched. lt will be seen that the sock is nearly as wide as the stump at the body end, then becomes progressively less than the stump in circumference until it approaches the area of the wound 43 at the tip of the stump, when it widens out again. If such a sock is fitted over such a stump, it

will clearly fit loosely over the wound, will then tighten so as to become a gaiter around the limb. This gaiter grips most tightly shortly behind the wound, and grips progressively less tightly between that point and the proximal end of the sock. If the inlet 39 is now connected, as in FIG. 6, to a source of gas under pressure, the end 44 of the sock that surrounds the wound will distend so that it lies clear of the wound, so that the wound receives the full pressure of the sterile air. Immediately behind the wound the pressure exerted by sock upon a stump is greatest, because, as FIG. 7 shows, the difference in diameter between the stump and the unstretched sock is greatest in the region. However, this region like the wound is subject to the full delivery pressure of the sterile air, which is set high enough to just separate sock and stump, creating the beginning of an annular-section passage for the flow of sterile gas between stump and sock. As the gas travels towards the remote end of the stump, the pressure of sock on stump progressively decreases but so does the pressure head behind the flow of air, due to the resistance that has already been overcome. In consequence, a clearance between stump and sock is maintained and the air flowing through this clearance subjects the stump to a pressure gradient. In effect, A and B in FIG. 6 mark the limits of the region in which the sock acts as a gaiter on the intruding limb, subjecting it to a pressure gradient. The leaking seal between sock and stump over this distance is comparable to that which existed between the intruding limb and the stem of the funnel shape formed by the members of the seal 23 in FIGS. 1, 4 and 5. This region of sock 38, and the remaining part 36 of the sock to the left-hand side of line A, together constitute the part of the wall of the container that deflects so as to yield to the intrusion of a limb.

FIGS. 8 and 9 illustrate a different construction of sock. This modification is shown in the unstretched state in FIG. 9 and is of resilient gas-tight material thicker at the distal end 44 than at the proximal end 45, and having a bore 46 appropriate to stump circumference. As with the previous form of the invention, there is an inlet 39 at the distal end. When stump 42 is inserted, as in FIG. 8, the greater thickness of the walls at the inner end give rise to a clearance between stump and sock between the limits C and D, just as the shape of the alternative sock did in FIG. 6 and 7.

In FIG. 6, 8 and 9 the containers constituted by socks 38 and 47 are surrounded by non-collapsible jackets 48 which have two inlets 49, 50 in their end walls 51. Inlet 49 is to receive pressure hose 41 for connection to inlet 39 of the sock. Inlet 50 is for connection to a vacuum source, not shown. When this source is energized, the parts of resilient socks 38 or 47 that act as gaiters to the limbs within are lifted quite clear of stump 42 so that the pressure at the surface of the stump is reduced to atmospheric level. v

By cyclically applying a vacuum and atmospheric pressure at inlet 50 the stump 42 within socks 38 or 47 is subjected alternatively to atmospheric pressure and to a higher pressure. This cyclic variation in pressure has a desirable vascular pumping action; the intermittent higher pressure can tend to expel undesirable tissue fluids.

The pulsations just described with relation to the forms of the apparatus shown in FIGS. 6 to 9 can of course be applied to other forms of the invention. It can be effected in the forms shown in FIGS. 1 and 5 by simply using the pressure controller 12, responsive to the sensor 6, to produce a desired pattern of pressure changes within the container. FIG. 10 is a graph of pressure P against time T and illustrates a simple regular program of alternate pulses of equal length of uniform pressure and zero. FIG. 11 illustrates a more complicated pattern of pulses in which a succession of pulses of low pressure gives way gradually to a period in which the pulses are of higher pressure but are less frequent, and then proceeds in reverse sequence to conclude one cycle of a pressure pattern. FIG. 12 is a graph of pressure P against distance D and illustrates the pressure gradients that may be created by the gaiter parts of socks 38, 47 in FIGS. 6, 8 and 9. P equals atmospheric pressure, and I equals the full supply pressure at 39. AC represents the distal end of the gaiter, i.e., the location of line A in FIG. 6 and line C in FIG. 8; BD represents the proximal end of the gaiter, i.e., the location of line B in FIG. 6 and line D in FIG. 8. Function 52 represents the pressure distribution over the length AC or BD when vacuum is applied at 50. Functions 53 represent four alternative pressure distributions when atmospheric pressure is applied at 50; which of them actually applies in a particular case will depend upon many factors including the construction of the stock, the shape of the limb within it, and the relative values of P and P The important thing is that all these functions maintain a positive or zero gradient between AC and BD. If the gradient becomes negative anywhere within this region there is danger of creating a tourniquet effect, since fluid in some distal part of the limb cannot travel to the main body of the patient without passing through a region subjected to a higher pressure.

We claim:

1. Limb treatment apparatus comprising a container, means for supplying gas under pressure to the interior of said container, said container having a resilient wall section defining an aperture adapted to receive a limb to be treated, said wall section having a circumference normally less than that of said limb and being stretchable so as to yield to extend the aperture when a limb intrudes and, when thus stretched, forming a leaking seal between itself and said limb, the part of the stretchable wall section defining the aperture being in the form of a gaiter that surrounds an intruding limb snugly over a length of said limb, whereby the leaking seal may expose the surrounded length of limb to a pressure gradient when gas is supplied under pressure to the interior of the container.

2. Limb treatment apparatus according to claim 1, in which the gaiter is positioned so that its free end re gisters with the proximal end of the limb.

3. Limb treatment apparatus comprising a container, means for supplying gas under pressure to the interior of said container, said container having a wall section defining an aperture adapted to receive a limb to be treated, said wall section being deflectable so as to yield to extend the aperture when a limb intrudes and, when thus deflected, forming a leaking seal between itself and said limb, the part of the deflectable wall section defining the aperture being in the form of a gaiter that surrounds an intruding 11m snugly over a length of said limb, whereby the leaking seal may expose the surrounded length of limb to a pressure gradient when gas is supplied under pressure to the interior of the container, a jacket enclosing the gaiter section of the wall,

and a source of fluid under variable pressure is connected to the jacket, whereby to vary the clearance of the leaking seal and so modify the pressure gradient to which the gripped length of limb is exposed.

4. Limb treatment apparatus according to claim 3, in which the source of fluid is adapted to apply a vacuum to the jacket to lift the gaiter clear of the limb whereby to reduce the gradient to zero.

5. Limb treatment apparatus according to claim 1, having control means to regulate the supply of gas to the interior of the container, said means being operable to supply alternate pulses of atmospheric pressure and a higher than atmospheric pressure and thereby subject the limb to a vascular pumping action.

6. Limb treatment apparatus comprising a container, means for supplying gas under pressure to the interior of said container, said container having a wall section defining an aperture adapted to receive a limb to be treated, said wall section being deflectable so as to yield to extend the aperture when a limb intrudes and, when thus deflected, forming a leaking seal between itself and said limb, said seal being adapted to exert no greater pressure upon the part of the limb that lies within it than is exerted upon the rest of the limb lying within the container, a substantial part of the wall of the container being lightweight and flexible, and a barness connected to the container by which it can be attached to the owner of the limb being treated, whereby to allow that owner some mobility while treatment proceeds.

Claims (6)

1. Limb treatment apparatus comprising a container, means for supplying gas under pressure to the interior of said container, said container having a resilient wall section defining an aperture adapted to receive a limb to be treated, said wall section having a circumference normally less than that of said limb and being stretchable so as to yield to extend the aperture when a limb intrudes and, when thus stretched, forming a leaking seal between itself and said limb, the part of the stretchable wall section defining the aperture being in the form of a gaiter that surrounds an intruding limb snugly over a length of said limb, whereby the leaking seal may expose the surrounded length of limb to a pressure gradient when gas is supplied under pressure to the interior of the container.
2. Limb treatment apparatus according to claim 1, in which the gaiter is positioned so that its free end registers with the proximal end of the limb.
3. Limb treatment apparatus comprising a container, means for supplying gas under pressure to the interior of said container, said container having a wall section defining an aperture adapted to receive a limb to be treated, said wall section being deflectable so as to yield to extend the aperture when a limb intrudes and, when thus deflected, forming a leaking seal between itself and said limb, the part of the deflectable wall section defining the aperture being in the form of a gaiter that surrounds an intruding limb snugly over a length of said limb, whereby the leaking seal may expose the surrounded length of limb to a pressure gradient when gas is supplied under pressure to the interior of the container, a jacket enclosing the gaiter section of the wall, and a source of fluid under variable pressure is connected to the jacket, whereby to vary the clearance of the leaking seal and so modify the pressure gradient to which the gripped length of limb is exposed.
4. Limb treatment apparatus according to claim 3, in which the source of fluid is adapted to apply a vacuum to the jacket to lift the gaiter clear of the limb whereby to reduce the gradient to zero.
5. Limb treatment apparatus according to claim 1, having control means to regulate the supply of gas to the interior of the container, said means being operable to supply alternate pulses of atmospheric pressure and a higher than atmospheric pressure and thereby subject the limb to a vascular pumping action.
6. Limb treatment apparatus comprising a container, means for supplying gas under pressure to the interior of said container, said container having a wall section defining an aperture adapted to receive a limb to be treated, said wall section being deflectable so as to yield to extend the aperture when a limb intrudes and, when thus deflected, forming a leaking seal between itself and said limb, said seal being adapted to exert no greater pressure upon the part of the limb that lies within it than is exerted upon the rest of the limb lying within the container, a substantial part of the wall of the container Being lightweight and flexible, and a harness connected to the container by which it can be attached to the owner of the limb being treated, whereby to allow that owner some mobility while treatment proceeds.
US3712298D 1970-08-25 1970-08-25 Medical treatment apparatus Expired - Lifetime US3712298A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US6676770A true 1970-08-25 1970-08-25

Publications (1)

Publication Number Publication Date
US3712298A true US3712298A (en) 1973-01-23

Family

ID=22071564

Family Applications (1)

Application Number Title Priority Date Filing Date
US3712298D Expired - Lifetime US3712298A (en) 1970-08-25 1970-08-25 Medical treatment apparatus

Country Status (1)

Country Link
US (1) US3712298A (en)

Cited By (87)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3870072A (en) * 1973-05-10 1975-03-11 Lindemann Hans Joachim Insufflation apparatus for introducing limited quantities of carbon dioxide into the human body for operative purposes
US4236513A (en) * 1979-04-18 1980-12-02 Lopiano Rocco W Pulsed oxygen chamber
US4376437A (en) * 1978-07-10 1983-03-15 Sundheim Benson R Topical environmental device
US4772259A (en) * 1987-06-12 1988-09-20 Ballard Medical Products Hyperbaric oxygenation apparatus and methods
US4989589A (en) * 1983-11-07 1991-02-05 Pekanmaeki Kalle Device for massaging extermities, such as legs
US5029579A (en) * 1989-01-13 1991-07-09 Ballard Medical Products Hyperbaric oxygenation apparatus and methods
US5060644A (en) * 1988-08-08 1991-10-29 Ventnor Corporation Hyperbaric chamber apparatus
US5735906A (en) * 1995-07-26 1998-04-07 Caspers; Carl A. Hypobarically-controlled artificial limb with detents for amputees
US20020072700A1 (en) * 2000-06-30 2002-06-13 Mantell Robert R. Method and apparatus for humidification and warming of air
US6508842B1 (en) 1999-06-03 2003-01-21 Barbara J. Caspers Socket liner for artificial limb
US6554868B1 (en) 1999-06-03 2003-04-29 Carl A. Caspers Vacuum pump and shock absorber for artificial limb
US6632194B1 (en) * 1999-11-17 2003-10-14 W.O.M. World Of Medicine Gmbh Device for insufflating gas
US6645253B2 (en) 1999-06-03 2003-11-11 Carl A. Caspers Vacuum pump and shock absorber for artificial limb
US20030216672A1 (en) * 2002-05-15 2003-11-20 The Research Foundation Of State University Of New York System and method for healing skin injuries
US20040030411A1 (en) * 1999-06-03 2004-02-12 Caspers Carl A. Pulsating pressure chamber and method for fluid management
US20040073151A1 (en) * 2002-09-03 2004-04-15 Weston Richard Scott Reduced pressure treatment system
US6726726B2 (en) 1999-06-03 2004-04-27 Otto Bock Healthcare Lp Vacuum apparatus and method for managing residual limb volume in an artificial limb
US20040143345A1 (en) * 1999-06-03 2004-07-22 Barbara Caspers Socket liner for artificial limb
US20050148913A1 (en) * 2004-01-02 2005-07-07 Weston Richard S. Reduced pressure wound treatment appliance
US6926742B2 (en) 1999-06-03 2005-08-09 Otto Bock Healthcare Lp Plate/socket attachment for artificial limb vacuum pump
US20050203452A1 (en) * 2004-03-09 2005-09-15 Weston Richard S. Enclosure-based reduced pressure treatment system
US20050222544A1 (en) * 2004-04-05 2005-10-06 Weston Richard S Flexible reduced pressure treatment appliance
US20050222528A1 (en) * 2004-04-05 2005-10-06 Weston Richard S Reduced pressure wound cupping treatment system
US20050261642A1 (en) * 2004-05-21 2005-11-24 Weston Richard S Flexible reduced pressure treatment appliance
US20050261615A1 (en) * 2004-05-21 2005-11-24 Richard Scott Weston Hypobaric chamber treatment system
US6974484B2 (en) 1999-06-03 2005-12-13 Otto Bock Healthcare Lp Osmotic membrane and vacuum system for artificial limb
US6979355B1 (en) * 1995-08-18 2005-12-27 The Ohio Willow Wood Company Valve assembly for a prosthetic limb
US20060185670A1 (en) * 2005-02-24 2006-08-24 Phillip Loori Hyperbaric oxygen devices and delivery methods
DE102006015690A1 (en) * 2006-03-27 2007-10-11 Aesculap Ag & Co. Kg Surgical sealing element, surgical and surgical seal system sealing
US20070265711A1 (en) * 2006-05-09 2007-11-15 Otto Bock Healthcare Products Gmbh Internal socket and fitting system for a prosthesis
US20090120433A1 (en) * 2007-05-31 2009-05-14 Aoti, Inc. Controller for an extremity hyperbaric device
US20090143719A1 (en) * 2007-11-06 2009-06-04 Aoti, Inc. Hyperbaric wound treatment device
US20090143721A1 (en) * 2007-11-07 2009-06-04 Aoti, Inc. Wound treatment device
US20090143751A1 (en) * 2007-11-06 2009-06-04 Aoti, Inc. Adaptable topical hyperbaric device
US20090234307A1 (en) * 2008-03-13 2009-09-17 Tyco Healthcare Group Lp Vacuum Port for Vacuum Wound Therapy
US20090240218A1 (en) * 2008-03-20 2009-09-24 Tyco Healthcare Group Lp Wound Therapy System
US20090254054A1 (en) * 2002-10-28 2009-10-08 Smith & Nephew Plc Apparatus for aspirating, irrigating and cleansing wounds
US20090270910A1 (en) * 2006-05-19 2009-10-29 The Regents Of The University Of California Method and Apparatus for Increasing Blood Flow in a Body Part
US20090281526A1 (en) * 2008-05-09 2009-11-12 Tyco Healthcare Group Lp Negative Pressure Wound Therapy Apparatus Including a Fluid Line Coupling
US20090292264A1 (en) * 2008-05-21 2009-11-26 Tyco Healthcare Group, Lp Wound therapy system with housing and canister support
US20090326487A1 (en) * 2008-06-30 2009-12-31 Tyco Healthcare Group Lp Apparatus for Enhancing Wound Healing
US20100010477A1 (en) * 2008-07-08 2010-01-14 Tyco Healthcare Group Lp Portable Negative Pressure Wound Therapy Device
US20100010446A1 (en) * 2008-07-09 2010-01-14 Aesculap Ag Surgical sealing element holder for holding a surgical sealing element and surgical sealing system
US20100016799A1 (en) * 2008-07-09 2010-01-21 Aesculap Ag Surgical protection device for a surgical sealing element and surgical sealing system
US20100016816A1 (en) * 2008-07-17 2010-01-21 Tyco Healthcare Group Lp Subatmospheric pressure mechanism for wound therapy system
US20100036334A1 (en) * 2008-08-08 2010-02-11 Tyco Healthcare Group Lp Wound Dressing of Continuous Fibers
US20100049150A1 (en) * 2008-08-21 2010-02-25 Tyco Healthcare Group Lp Sensor with Electrical Contact Protection for Use in Fluid Collection Canister and Negative Pressure Wound Therapy Systems Including Same
US20100063463A1 (en) * 2008-09-05 2010-03-11 Tyco Healthcare Group Lp Canister membrane for wound therapy system
US20100063484A1 (en) * 2008-09-05 2010-03-11 Tyco Healthcare Group Lp Three-Dimensional Porous Film Contact Layer With Improved Wound Healing
US20100179493A1 (en) * 2009-01-09 2010-07-15 Tyco Healthcare Group Lp Canister for Receiving Wound Exudate in a Negative Pressure Therapy System
US20100185163A1 (en) * 2009-01-20 2010-07-22 Tyco Healthcare Group Lp Method and Apparatus for Bridging From a Dressing in Negative Pressure Wound Therapy
US20100191196A1 (en) * 2009-01-26 2010-07-29 Heagle David G Fibrous Wound Filler Material for Negative Pressure Wound Therapy
US20100191197A1 (en) * 2009-01-23 2010-07-29 Tyco Healthcare Group Lp Flanged Connector for Wound Therapy
US20100191198A1 (en) * 2009-01-26 2010-07-29 Tyco Healthcare Group Lp Wound Filler Material with Improved Nonadherency Properties
US20100204752A1 (en) * 2009-02-10 2010-08-12 Tyco Healthcare Group Lp Negative Pressure and Electrostimulation Therapy Apparatus
US20100204663A1 (en) * 2009-02-10 2010-08-12 Tyco Health Group Lp Wound Therapy System With Proportional Valve Mechanism
US7776028B2 (en) 2004-04-05 2010-08-17 Bluesky Medical Group Incorporated Adjustable overlay reduced pressure wound treatment system
US20100252756A1 (en) * 2009-04-01 2010-10-07 3D Imaging & Simulations Corp. Apparatus for acquiring digital x-ray image
US20100286638A1 (en) * 2009-05-11 2010-11-11 Tyco Healthcare Group Lp Orientation Independent Canister for a Negative Pressure Wound Therapy Device
US7838717B2 (en) 2005-09-07 2010-11-23 Tyco Healthcare Group Lp Self contained wound dressing with micropump
US20100305524A1 (en) * 2009-06-01 2010-12-02 Tyco Healthcare Group Lp System for Providing Continual Drainage in Negative Pressure Wound Therapy
US20100318043A1 (en) * 2009-06-10 2010-12-16 Tyco Healthcare Group Lp Negative Pressure Wound Therapy Systems Capable of Vacuum Measurement Independent of Orientation
US20100318071A1 (en) * 2009-06-10 2010-12-16 Tyco Healthcare Group Lp Fluid Collection Canister Including Canister Top with Filter Membrane and Negative Pressure Wound Therapy Systems Including Same
US20100324516A1 (en) * 2009-06-18 2010-12-23 Tyco Healthcare Group Lp Apparatus for Vacuum Bridging and/or Exudate Collection
US20110022013A1 (en) * 2001-08-24 2011-01-27 Boynton Thomas A Negative pressure assisted tissue treatment system
US20110106027A1 (en) * 2009-11-05 2011-05-05 Tyco Healthcare Group Lp Chemically Coated Screen for Use with Hydrophobic Filters
US20110118683A1 (en) * 2004-04-05 2011-05-19 Richard Scott Weston Reduced pressure treatment system
US8021347B2 (en) 2008-07-21 2011-09-20 Tyco Healthcare Group Lp Thin film wound dressing
US8048044B2 (en) 2007-08-14 2011-11-01 Stryker Corporation Drug delivery system
US8211052B1 (en) 2006-07-13 2012-07-03 Lexion Medical Llc Charged hydrator
US20130072836A1 (en) * 2010-04-06 2013-03-21 I2R Medical Limited Therapeutic hand exercise device
US8496715B2 (en) 2007-04-27 2013-07-30 Otto Bock Healthcare Lp Pneumatic connections for prosthetic socket
US8569566B2 (en) 2003-10-28 2013-10-29 Smith & Nephew, Plc Wound cleansing apparatus in-situ
US8926592B2 (en) 2003-10-28 2015-01-06 Smith & Nephew Plc Wound cleansing apparatus with heat
US9044348B2 (en) 2012-04-30 2015-06-02 Ossur Hf Prosthetic device, system and method for increasing vacuum attachment
US9155821B2 (en) 2009-06-10 2015-10-13 Smith & Nephew, Inc. Fluid collection canister including canister top with filter membrane and negative pressure wound therapy systems including same
US9198780B2 (en) 2012-02-14 2015-12-01 Ossur Hf Vacuum assisted suspension system
US9302034B2 (en) 2011-04-04 2016-04-05 Smith & Nephew, Inc. Negative pressure wound therapy dressing
US9364348B2 (en) 2013-03-01 2016-06-14 Ossur Hf Vacuum suspension system
US20160287892A1 (en) * 2013-12-12 2016-10-06 Relyon Plasma Gmbh Assembly for the treatment of wounds
US9757256B2 (en) 2014-07-01 2017-09-12 Ossur Hf Pump mechanism for vacuum suspension system
US9943421B2 (en) 2015-05-21 2018-04-17 Ossur Iceland Ehf Membrane pump system for use with a prosthetic system
WO2018094243A1 (en) * 2016-11-17 2018-05-24 Medici Technologies, LLC Self-sealing pressurized limb enclosure
US10028845B2 (en) 2015-01-08 2018-07-24 Ossur Iceland Ehf Pump mechanism
US10179055B2 (en) 2015-05-29 2019-01-15 Ossur Iceland Ehf Pump system for use with a prosthetic device
US10245185B2 (en) 2011-06-07 2019-04-02 Smith & Nephew Plc Wound contacting members and methods
US10265445B2 (en) 2015-09-15 2019-04-23 Smith & Nephew, Inc. Reduced pressure treatment system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2695605A (en) * 1949-12-12 1954-11-30 Philadelphia Children Hospital Closure device for isolation chambers
US3103016A (en) * 1960-03-24 1963-09-10 Temperature Engineering Corp Glove assembly for controlled atmosphere enclosure
US3217707A (en) * 1961-11-02 1965-11-16 Werding Winfried Apparatus for treatment of arterial circulation disturbances and rheumatism
US3450450A (en) * 1966-03-11 1969-06-17 Nat Res Dev Pressure resisting seal
US3477427A (en) * 1967-09-27 1969-11-11 Roy Lapidus Cast cooler
DE1906509A1 (en) * 1968-11-26 1970-07-16 Contimed Sa medical Behandlungsgeraet

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2695605A (en) * 1949-12-12 1954-11-30 Philadelphia Children Hospital Closure device for isolation chambers
US3103016A (en) * 1960-03-24 1963-09-10 Temperature Engineering Corp Glove assembly for controlled atmosphere enclosure
US3217707A (en) * 1961-11-02 1965-11-16 Werding Winfried Apparatus for treatment of arterial circulation disturbances and rheumatism
US3450450A (en) * 1966-03-11 1969-06-17 Nat Res Dev Pressure resisting seal
US3477427A (en) * 1967-09-27 1969-11-11 Roy Lapidus Cast cooler
DE1906509A1 (en) * 1968-11-26 1970-07-16 Contimed Sa medical Behandlungsgeraet

Cited By (205)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3870072A (en) * 1973-05-10 1975-03-11 Lindemann Hans Joachim Insufflation apparatus for introducing limited quantities of carbon dioxide into the human body for operative purposes
US4376437A (en) * 1978-07-10 1983-03-15 Sundheim Benson R Topical environmental device
US4236513A (en) * 1979-04-18 1980-12-02 Lopiano Rocco W Pulsed oxygen chamber
US4989589A (en) * 1983-11-07 1991-02-05 Pekanmaeki Kalle Device for massaging extermities, such as legs
US4772259A (en) * 1987-06-12 1988-09-20 Ballard Medical Products Hyperbaric oxygenation apparatus and methods
US5060644A (en) * 1988-08-08 1991-10-29 Ventnor Corporation Hyperbaric chamber apparatus
US5029579A (en) * 1989-01-13 1991-07-09 Ballard Medical Products Hyperbaric oxygenation apparatus and methods
US5735906A (en) * 1995-07-26 1998-04-07 Caspers; Carl A. Hypobarically-controlled artificial limb with detents for amputees
US6979355B1 (en) * 1995-08-18 2005-12-27 The Ohio Willow Wood Company Valve assembly for a prosthetic limb
US5904722A (en) * 1996-06-11 1999-05-18 Caspers; Carl A. Hypobarically-controlled, double-socket artificial limb with mechanical interlock
US7922775B2 (en) 1999-06-03 2011-04-12 Otto Bock Healthcare Lp Pulsating pressure chamber and method for fluid management
US6554868B1 (en) 1999-06-03 2003-04-29 Carl A. Caspers Vacuum pump and shock absorber for artificial limb
US6508842B1 (en) 1999-06-03 2003-01-21 Barbara J. Caspers Socket liner for artificial limb
US6645253B2 (en) 1999-06-03 2003-11-11 Carl A. Caspers Vacuum pump and shock absorber for artificial limb
US8758449B2 (en) 1999-06-03 2014-06-24 Otto Bock Healthcare Lp Socket liner for artificial limb
US20040030411A1 (en) * 1999-06-03 2004-02-12 Caspers Carl A. Pulsating pressure chamber and method for fluid management
US20110202143A1 (en) * 1999-06-03 2011-08-18 Otto Bock Healthcare, Lp Socket liner for artificial limb
US6726726B2 (en) 1999-06-03 2004-04-27 Otto Bock Healthcare Lp Vacuum apparatus and method for managing residual limb volume in an artificial limb
US6761742B2 (en) 1999-06-03 2004-07-13 Otto Bock Healthcare Lp Vacuum pump and shock absorber for artificial limb
US20040143345A1 (en) * 1999-06-03 2004-07-22 Barbara Caspers Socket liner for artificial limb
US20040181290A1 (en) * 1999-06-03 2004-09-16 Otto Bock Healthcare Lp Vacuum apparatus and method for managing residual limb volume in an artificial limb
US6974484B2 (en) 1999-06-03 2005-12-13 Otto Bock Healthcare Lp Osmotic membrane and vacuum system for artificial limb
US6926742B2 (en) 1999-06-03 2005-08-09 Otto Bock Healthcare Lp Plate/socket attachment for artificial limb vacuum pump
US6632194B1 (en) * 1999-11-17 2003-10-14 W.O.M. World Of Medicine Gmbh Device for insufflating gas
US7762251B2 (en) 2000-06-30 2010-07-27 Northgate Technologies, Inc. Method and apparatus for humidification and warming of air
US10052444B2 (en) 2000-06-30 2018-08-21 Northgate Technologies Inc. Method and apparatus for humidification and warming of air
US8091546B2 (en) 2000-06-30 2012-01-10 Northgate Technologies, Inc. Method and apparatus for humidification and warming of air
US7647925B2 (en) 2000-06-30 2010-01-19 Northgate Technologies, Inc. Method and apparatus for humidification and warming of air
US8955511B2 (en) 2000-06-30 2015-02-17 Northgate Technologies, Inc. Method and apparatus for humidification and warming of air
US6976489B2 (en) 2000-06-30 2005-12-20 Northgate Technologies, Inc. Method and apparatus for humidification and warming of air
US20100163044A1 (en) * 2000-06-30 2010-07-01 Mantell Robert R Method and apparatus for humidification and warming of air
US20060033223A1 (en) * 2000-06-30 2006-02-16 Northgate Technologies, Inc. Method and apparatus for humidification and warming of air
US20070107726A1 (en) * 2000-06-30 2007-05-17 Northgate Technologies, Inc. Method and apparatus for humidification and warming of air
US20020072700A1 (en) * 2000-06-30 2002-06-13 Mantell Robert R. Method and apparatus for humidification and warming of air
US20110022013A1 (en) * 2001-08-24 2011-01-27 Boynton Thomas A Negative pressure assisted tissue treatment system
US20030216672A1 (en) * 2002-05-15 2003-11-20 The Research Foundation Of State University Of New York System and method for healing skin injuries
US7846141B2 (en) 2002-09-03 2010-12-07 Bluesky Medical Group Incorporated Reduced pressure treatment system
US8545464B2 (en) 2002-09-03 2013-10-01 Bluesky Medical Group Incorporated Reduced pressure treatment system
US20040073151A1 (en) * 2002-09-03 2004-04-15 Weston Richard Scott Reduced pressure treatment system
US20110077604A1 (en) * 2002-09-03 2011-03-31 Bluesky Medical Group, Inc. Reduced pressure treatment system
US8062273B2 (en) 2002-09-03 2011-11-22 Bluesky Medical Group Incorporated Reduced pressure treatment system
US8628505B2 (en) 2002-09-03 2014-01-14 Bluesky Medical Group Incorporated Reduced pressure treatment system
US9211365B2 (en) 2002-09-03 2015-12-15 Bluesky Medical Group, Inc. Reduced pressure treatment system
US9205001B2 (en) 2002-10-28 2015-12-08 Smith & Nephew Plc Apparatus for aspirating, irrigating and cleansing wounds
US8398614B2 (en) 2002-10-28 2013-03-19 Smith & Nephew Plc Apparatus for aspirating, irrigating and cleansing wounds
US20090254054A1 (en) * 2002-10-28 2009-10-08 Smith & Nephew Plc Apparatus for aspirating, irrigating and cleansing wounds
US8834451B2 (en) 2002-10-28 2014-09-16 Smith & Nephew Plc In-situ wound cleansing apparatus
US20110087176A2 (en) * 2002-10-28 2011-04-14 Smith & Nephew Plc Apparatus for aspirating, irrigating and cleansing wounds
US9844473B2 (en) 2002-10-28 2017-12-19 Smith & Nephew Plc Apparatus for aspirating, irrigating and cleansing wounds
US9844474B2 (en) 2002-10-28 2017-12-19 Smith & Nephew Plc Apparatus for aspirating, irrigating and cleansing wounds
US9452248B2 (en) 2003-10-28 2016-09-27 Smith & Nephew Plc Wound cleansing apparatus in-situ
US8569566B2 (en) 2003-10-28 2013-10-29 Smith & Nephew, Plc Wound cleansing apparatus in-situ
US8926592B2 (en) 2003-10-28 2015-01-06 Smith & Nephew Plc Wound cleansing apparatus with heat
US9616208B2 (en) 2003-10-28 2017-04-11 Smith & Nephew Plc Wound cleansing apparatus
US9289542B2 (en) 2003-10-28 2016-03-22 Smith & Nephew Plc Wound cleansing apparatus
US9446178B2 (en) 2003-10-28 2016-09-20 Smith & Nephew Plc Wound cleansing apparatus in-situ
US20050148913A1 (en) * 2004-01-02 2005-07-07 Weston Richard S. Reduced pressure wound treatment appliance
US7128735B2 (en) 2004-01-02 2006-10-31 Richard Scott Weston Reduced pressure wound treatment appliance
US8708998B2 (en) 2004-03-09 2014-04-29 Bluesky Medical Group, Inc. Enclosure-based reduced pressure treatment system
US20050203452A1 (en) * 2004-03-09 2005-09-15 Weston Richard S. Enclosure-based reduced pressure treatment system
US8100887B2 (en) 2004-03-09 2012-01-24 Bluesky Medical Group Incorporated Enclosure-based reduced pressure treatment system
US20090192499A1 (en) * 2004-03-09 2009-07-30 Richard Scott Weston Enclosure-based reduced pressure treatment system
US20100274207A1 (en) * 2004-04-05 2010-10-28 Blue Sky Medical Group Inc. Flexible reduced pressure treatment appliance
US8449509B2 (en) 2004-04-05 2013-05-28 Bluesky Medical Group Incorporated Flexible reduced pressure treatment appliance
US20050222528A1 (en) * 2004-04-05 2005-10-06 Weston Richard S Reduced pressure wound cupping treatment system
US20050222544A1 (en) * 2004-04-05 2005-10-06 Weston Richard S Flexible reduced pressure treatment appliance
US7708724B2 (en) 2004-04-05 2010-05-04 Blue Sky Medical Group Incorporated Reduced pressure wound cupping treatment system
US10058642B2 (en) 2004-04-05 2018-08-28 Bluesky Medical Group Incorporated Reduced pressure treatment system
US10105471B2 (en) 2004-04-05 2018-10-23 Smith & Nephew, Inc. Reduced pressure treatment system
US20100305549A1 (en) * 2004-04-05 2010-12-02 Bluesky Medical Group Incorporated Reduced pressure wound treatment system
US9492326B2 (en) 2004-04-05 2016-11-15 Bluesky Medical Group Incorporated Reduced pressure wound treatment system
US7776028B2 (en) 2004-04-05 2010-08-17 Bluesky Medical Group Incorporated Adjustable overlay reduced pressure wound treatment system
US20110118683A1 (en) * 2004-04-05 2011-05-19 Richard Scott Weston Reduced pressure treatment system
US8540699B2 (en) 2004-04-05 2013-09-24 Bluesky Medical Group Incorporated Reduced pressure wound treatment system
US9198801B2 (en) 2004-04-05 2015-12-01 Bluesky Medical Group, Inc. Flexible reduced pressure treatment appliance
US7909805B2 (en) 2004-04-05 2011-03-22 Bluesky Medical Group Incorporated Flexible reduced pressure treatment appliance
US7998125B2 (en) 2004-05-21 2011-08-16 Bluesky Medical Group Incorporated Hypobaric chamber treatment system
US20110264063A1 (en) * 2004-05-21 2011-10-27 Bluesky Medical Group, Inc. Hypobaric chamber treatment system
US8062272B2 (en) 2004-05-21 2011-11-22 Bluesky Medical Group Incorporated Flexible reduced pressure treatment appliance
US20050261642A1 (en) * 2004-05-21 2005-11-24 Weston Richard S Flexible reduced pressure treatment appliance
US10207035B2 (en) 2004-05-21 2019-02-19 Smith & Nephew, Inc. Flexible reduced pressure treatment appliance
US20050261615A1 (en) * 2004-05-21 2005-11-24 Richard Scott Weston Hypobaric chamber treatment system
US9272080B2 (en) 2004-05-21 2016-03-01 Bluesky Medical Group Incorporated Flexible reduced pressure treatment appliance
US9925313B2 (en) 2004-05-21 2018-03-27 Smith & Nephew, Inc. Flexible reduced pressure treatment appliance
US7540283B2 (en) 2005-02-24 2009-06-02 Aoti, Inc. Hyperbaric oxygen devices and delivery methods
US20060185670A1 (en) * 2005-02-24 2006-08-24 Phillip Loori Hyperbaric oxygen devices and delivery methods
US8207392B2 (en) 2005-09-07 2012-06-26 Tyco Healthcare Group Lp Self contained wound dressing with micropump
US10201644B2 (en) 2005-09-07 2019-02-12 Smith & Nephew, Inc. Self contained wound dressing with micropump
US7838717B2 (en) 2005-09-07 2010-11-23 Tyco Healthcare Group Lp Self contained wound dressing with micropump
US20110046584A1 (en) * 2005-09-07 2011-02-24 Tyco Healthcare Group Lp Self contained wound dressing with micropump
US8829263B2 (en) 2005-09-07 2014-09-09 Smith & Nephew, Inc. Self contained wound dressing with micropump
US20090082735A1 (en) * 2006-03-27 2009-03-26 Aesculap Ag Surgical sealing element, surgical seal, and surgical sealing system
US7842014B2 (en) 2006-03-27 2010-11-30 Aesculap Ag Surgical sealing element, surgical seal, and surgical sealing system
DE102006015690A1 (en) * 2006-03-27 2007-10-11 Aesculap Ag & Co. Kg Surgical sealing element, surgical and surgical seal system sealing
US20070265711A1 (en) * 2006-05-09 2007-11-15 Otto Bock Healthcare Products Gmbh Internal socket and fitting system for a prosthesis
US7670385B2 (en) 2006-05-09 2010-03-02 Otto Bock Healthcare Gmbh Internal socket and fitting system for a prosthesis
US20090270910A1 (en) * 2006-05-19 2009-10-29 The Regents Of The University Of California Method and Apparatus for Increasing Blood Flow in a Body Part
US8211052B1 (en) 2006-07-13 2012-07-03 Lexion Medical Llc Charged hydrator
US8496715B2 (en) 2007-04-27 2013-07-30 Otto Bock Healthcare Lp Pneumatic connections for prosthetic socket
US20090120433A1 (en) * 2007-05-31 2009-05-14 Aoti, Inc. Controller for an extremity hyperbaric device
US9421147B2 (en) 2007-05-31 2016-08-23 Aoti, Inc. Controller for an extremity hyperbaric device
US20090126727A1 (en) * 2007-05-31 2009-05-21 Aoti, Inc. Controller for an extremity hyperbaric device
US8939961B2 (en) 2007-05-31 2015-01-27 Aoti, Inc. Controller for an extremity hyperbaric device
US8529527B2 (en) 2007-05-31 2013-09-10 Aoti, Inc. Controller for an extremity hyperbaric device
US8048044B2 (en) 2007-08-14 2011-11-01 Stryker Corporation Drug delivery system
US9174034B2 (en) 2007-11-06 2015-11-03 Aoti, Inc. Adaptable topical hyperbaric device
US20090143719A1 (en) * 2007-11-06 2009-06-04 Aoti, Inc. Hyperbaric wound treatment device
US20090143751A1 (en) * 2007-11-06 2009-06-04 Aoti, Inc. Adaptable topical hyperbaric device
US20090259169A1 (en) * 2007-11-07 2009-10-15 Aoti, Inc. Triple modality wound treatment device
US20090143720A1 (en) * 2007-11-07 2009-06-04 Aoti, Inc. Access port for flexible wound treatment devices
US8034008B2 (en) 2007-11-07 2011-10-11 Aoti, Inc. Access port for flexible wound treatment devices
US9211227B2 (en) 2007-11-07 2015-12-15 Aoti, Inc. Pressure compensating seal with positive feedback
US20090240191A1 (en) * 2007-11-07 2009-09-24 Aoti, Inc. Pressure compensating seal with positive feedback
US8704034B2 (en) 2007-11-07 2014-04-22 Aoti, Inc. Triple modality wound treatment device
US20090143721A1 (en) * 2007-11-07 2009-06-04 Aoti, Inc. Wound treatment device
US7922678B2 (en) 2007-11-07 2011-04-12 Aoti, Inc. Wound treatment device
US8152785B2 (en) 2008-03-13 2012-04-10 Tyco Healthcare Group Lp Vacuum port for vacuum wound therapy
US10188555B2 (en) 2008-03-13 2019-01-29 Smith & Nephew, Inc. Shear resistant wound dressing for use in vacuum wound therapy
US20090234309A1 (en) * 2008-03-13 2009-09-17 Tyco Healthcare Group Lp Shear Resistant Wound Dressing for Use in Vacuum Wound Therapy
US9375353B2 (en) 2008-03-13 2016-06-28 Smith & Nephew, Inc. Shear resistant wound dressing for use in vacuum wound therapy
US20090234307A1 (en) * 2008-03-13 2009-09-17 Tyco Healthcare Group Lp Vacuum Port for Vacuum Wound Therapy
US9199012B2 (en) 2008-03-13 2015-12-01 Smith & Nephew, Inc. Shear resistant wound dressing for use in vacuum wound therapy
US20090240218A1 (en) * 2008-03-20 2009-09-24 Tyco Healthcare Group Lp Wound Therapy System
US20090281526A1 (en) * 2008-05-09 2009-11-12 Tyco Healthcare Group Lp Negative Pressure Wound Therapy Apparatus Including a Fluid Line Coupling
US20090292264A1 (en) * 2008-05-21 2009-11-26 Tyco Healthcare Group, Lp Wound therapy system with housing and canister support
US8048046B2 (en) 2008-05-21 2011-11-01 Tyco Healthcare Group Lp Wound therapy system with housing and canister support
US20090326487A1 (en) * 2008-06-30 2009-12-31 Tyco Healthcare Group Lp Apparatus for Enhancing Wound Healing
US8257326B2 (en) 2008-06-30 2012-09-04 Tyco Healthcare Group Lp Apparatus for enhancing wound healing
US8257328B2 (en) 2008-07-08 2012-09-04 Tyco Healthcare Group Lp Portable negative pressure wound therapy device
US20100010477A1 (en) * 2008-07-08 2010-01-14 Tyco Healthcare Group Lp Portable Negative Pressure Wound Therapy Device
US20100010446A1 (en) * 2008-07-09 2010-01-14 Aesculap Ag Surgical sealing element holder for holding a surgical sealing element and surgical sealing system
US8137318B2 (en) 2008-07-09 2012-03-20 Aesculap Ag Surgical protection device for a surgical sealing element and surgical sealing system
US8246586B2 (en) 2008-07-09 2012-08-21 Aesculap Ag Surgical sealing element holder for holding a surgical sealing element and surgical sealing system
US20100016799A1 (en) * 2008-07-09 2010-01-21 Aesculap Ag Surgical protection device for a surgical sealing element and surgical sealing system
US8696636B2 (en) 2008-07-09 2014-04-15 Aesculap Ag Surgical sealing element holder for holding a surgical sealing element and surgical sealing system
US20100016816A1 (en) * 2008-07-17 2010-01-21 Tyco Healthcare Group Lp Subatmospheric pressure mechanism for wound therapy system
US8007481B2 (en) 2008-07-17 2011-08-30 Tyco Healthcare Group Lp Subatmospheric pressure mechanism for wound therapy system
US9931446B2 (en) 2008-07-17 2018-04-03 Smith & Nephew, Inc. Subatmospheric pressure mechanism for wound therapy system and related methods therefor
US8551060B2 (en) 2008-07-17 2013-10-08 Smith & Nephew, Inc. Subatmospheric pressure mechanism for wound therapy system and related methods therefor
US8021347B2 (en) 2008-07-21 2011-09-20 Tyco Healthcare Group Lp Thin film wound dressing
US10016545B2 (en) 2008-07-21 2018-07-10 Smith & Nephew, Inc. Thin film wound dressing
US9017302B2 (en) 2008-07-21 2015-04-28 Smith & Nephew, Inc. Thin film wound dressing
US8777911B2 (en) 2008-08-08 2014-07-15 Smith & Nephew, Inc. Wound dressing of continuous fibers
US9474654B2 (en) 2008-08-08 2016-10-25 Smith & Nephew, Inc. Wound dressing of continuous fibers
US20100036334A1 (en) * 2008-08-08 2010-02-11 Tyco Healthcare Group Lp Wound Dressing of Continuous Fibers
US8827983B2 (en) 2008-08-21 2014-09-09 Smith & Nephew, Inc. Sensor with electrical contact protection for use in fluid collection canister and negative pressure wound therapy systems including same
US20100049150A1 (en) * 2008-08-21 2010-02-25 Tyco Healthcare Group Lp Sensor with Electrical Contact Protection for Use in Fluid Collection Canister and Negative Pressure Wound Therapy Systems Including Same
US9801984B2 (en) 2008-08-21 2017-10-31 Smith & Nephew, Inc. Sensor with electrical contact protection for use in fluid collection canister and negative pressure wound therapy systems including same
US9415145B2 (en) 2008-08-21 2016-08-16 Smith & Nephew, Inc. Sensor with electrical contact protection for use in fluid collection canister and negative pressure wound therapy systems including same
US20100063484A1 (en) * 2008-09-05 2010-03-11 Tyco Healthcare Group Lp Three-Dimensional Porous Film Contact Layer With Improved Wound Healing
US9414968B2 (en) 2008-09-05 2016-08-16 Smith & Nephew, Inc. Three-dimensional porous film contact layer with improved wound healing
US10004835B2 (en) 2008-09-05 2018-06-26 Smith & Nephew, Inc. Canister membrane for wound therapy system
US10258779B2 (en) 2008-09-05 2019-04-16 Smith & Nephew, Inc. Three-dimensional porous film contact layer with improved wound healing
US9597489B2 (en) 2008-09-05 2017-03-21 Smith & Nephew, Inc. Three-dimensional porous film contact layer with improved wound healing
US8177763B2 (en) 2008-09-05 2012-05-15 Tyco Healthcare Group Lp Canister membrane for wound therapy system
US9205235B2 (en) 2008-09-05 2015-12-08 Smith & Nephew, Inc. Canister for wound therapy and related methods therefor
US20100063463A1 (en) * 2008-09-05 2010-03-11 Tyco Healthcare Group Lp Canister membrane for wound therapy system
US20100179493A1 (en) * 2009-01-09 2010-07-15 Tyco Healthcare Group Lp Canister for Receiving Wound Exudate in a Negative Pressure Therapy System
US8679081B2 (en) 2009-01-09 2014-03-25 Smith & Nephew, Inc. Canister for receiving wound exudate in a negative pressure therapy system
US8216198B2 (en) 2009-01-09 2012-07-10 Tyco Healthcare Group Lp Canister for receiving wound exudate in a negative pressure therapy system
USRE46825E1 (en) 2009-01-20 2018-05-08 Smith & Nephew, Inc. Method and apparatus for bridging from a dressing in negative pressure wound therapy
US8162907B2 (en) 2009-01-20 2012-04-24 Tyco Healthcare Group Lp Method and apparatus for bridging from a dressing in negative pressure wound therapy
US20100185163A1 (en) * 2009-01-20 2010-07-22 Tyco Healthcare Group Lp Method and Apparatus for Bridging From a Dressing in Negative Pressure Wound Therapy
US8246591B2 (en) 2009-01-23 2012-08-21 Tyco Healthcare Group Lp Flanged connector for wound therapy
US20100191197A1 (en) * 2009-01-23 2010-07-29 Tyco Healthcare Group Lp Flanged Connector for Wound Therapy
US20100191196A1 (en) * 2009-01-26 2010-07-29 Heagle David G Fibrous Wound Filler Material for Negative Pressure Wound Therapy
US20100191198A1 (en) * 2009-01-26 2010-07-29 Tyco Healthcare Group Lp Wound Filler Material with Improved Nonadherency Properties
US20100204752A1 (en) * 2009-02-10 2010-08-12 Tyco Healthcare Group Lp Negative Pressure and Electrostimulation Therapy Apparatus
US8167869B2 (en) 2009-02-10 2012-05-01 Tyco Healthcare Group Lp Wound therapy system with proportional valve mechanism
US20100204663A1 (en) * 2009-02-10 2010-08-12 Tyco Health Group Lp Wound Therapy System With Proportional Valve Mechanism
US20100252756A1 (en) * 2009-04-01 2010-10-07 3D Imaging & Simulations Corp. Apparatus for acquiring digital x-ray image
US9956325B2 (en) 2009-05-11 2018-05-01 Smith & Nephew, Inc. Orientation independent canister for a negative pressure wound therapy device
US8251979B2 (en) 2009-05-11 2012-08-28 Tyco Healthcare Group Lp Orientation independent canister for a negative pressure wound therapy device
US8568386B2 (en) 2009-05-11 2013-10-29 Smith & Nephew, Inc. Orientation independent canister for a negative pressure wound therapy device
US20100286638A1 (en) * 2009-05-11 2010-11-11 Tyco Healthcare Group Lp Orientation Independent Canister for a Negative Pressure Wound Therapy Device
US8298200B2 (en) 2009-06-01 2012-10-30 Tyco Healthcare Group Lp System for providing continual drainage in negative pressure wound therapy
US20100305524A1 (en) * 2009-06-01 2010-12-02 Tyco Healthcare Group Lp System for Providing Continual Drainage in Negative Pressure Wound Therapy
US8784392B2 (en) 2009-06-01 2014-07-22 Smith & Nephew, Inc. System for providing continual drainage in negative pressure wound therapy
US9889241B2 (en) 2009-06-01 2018-02-13 Smith & Nephew, Inc. System for providing continual drainage in negative pressure wound therapy
US20100318071A1 (en) * 2009-06-10 2010-12-16 Tyco Healthcare Group Lp Fluid Collection Canister Including Canister Top with Filter Membrane and Negative Pressure Wound Therapy Systems Including Same
US9155821B2 (en) 2009-06-10 2015-10-13 Smith & Nephew, Inc. Fluid collection canister including canister top with filter membrane and negative pressure wound therapy systems including same
US20100318043A1 (en) * 2009-06-10 2010-12-16 Tyco Healthcare Group Lp Negative Pressure Wound Therapy Systems Capable of Vacuum Measurement Independent of Orientation
US20100324516A1 (en) * 2009-06-18 2010-12-23 Tyco Healthcare Group Lp Apparatus for Vacuum Bridging and/or Exudate Collection
US20110106027A1 (en) * 2009-11-05 2011-05-05 Tyco Healthcare Group Lp Chemically Coated Screen for Use with Hydrophobic Filters
US9545356B2 (en) * 2010-04-06 2017-01-17 I2R Medical Limited Therapeutic hand exercise device
US20130072836A1 (en) * 2010-04-06 2013-03-21 I2R Medical Limited Therapeutic hand exercise device
US9302034B2 (en) 2011-04-04 2016-04-05 Smith & Nephew, Inc. Negative pressure wound therapy dressing
US10154929B2 (en) 2011-04-04 2018-12-18 Smith & Nephew, Inc. Negative pressure wound therapy dressing
US10245185B2 (en) 2011-06-07 2019-04-02 Smith & Nephew Plc Wound contacting members and methods
US9889025B2 (en) 2012-02-14 2018-02-13 Ossur Hf Vacuum assisted suspension system
US9198780B2 (en) 2012-02-14 2015-12-01 Ossur Hf Vacuum assisted suspension system
US9615946B2 (en) 2012-04-30 2017-04-11 Ossur Hf Prosthetic device, system and method for increasing vacuum attachment
US9486335B2 (en) 2012-04-30 2016-11-08 Ossur Hf Prosthetic device, system and method for increasing vacuum attachment
US9072617B2 (en) 2012-04-30 2015-07-07 Ossur Hf Prosthetic device, system and method for increasing vacuum attachment
US9044348B2 (en) 2012-04-30 2015-06-02 Ossur Hf Prosthetic device, system and method for increasing vacuum attachment
US9820873B2 (en) 2013-03-01 2017-11-21 Ossur Hf Vacuum suspension system
US9364348B2 (en) 2013-03-01 2016-06-14 Ossur Hf Vacuum suspension system
US20160287892A1 (en) * 2013-12-12 2016-10-06 Relyon Plasma Gmbh Assembly for the treatment of wounds
US10004914B2 (en) * 2013-12-12 2018-06-26 reylon plasma GmbH Assembly for the treatment of wounds
US9757256B2 (en) 2014-07-01 2017-09-12 Ossur Hf Pump mechanism for vacuum suspension system
US10028845B2 (en) 2015-01-08 2018-07-24 Ossur Iceland Ehf Pump mechanism
US9943421B2 (en) 2015-05-21 2018-04-17 Ossur Iceland Ehf Membrane pump system for use with a prosthetic system
US10179055B2 (en) 2015-05-29 2019-01-15 Ossur Iceland Ehf Pump system for use with a prosthetic device
US10265445B2 (en) 2015-09-15 2019-04-23 Smith & Nephew, Inc. Reduced pressure treatment system
WO2018094243A1 (en) * 2016-11-17 2018-05-24 Medici Technologies, LLC Self-sealing pressurized limb enclosure

Similar Documents

Publication Publication Date Title
US3505991A (en) Intracorporeal vascular prosthetic blood irradiator
US3502069A (en) Method and apparatus for placing in and retrieving a tubular probe from a body cavity
US3402718A (en) Endotracheal tube with valved balloon having removable inflation means and balloon rupturing means associated therewith
US3482576A (en) Easy deflatable retention catheter
US3368550A (en) Respiratory cuirass
US3675653A (en) Wound drainage equipment
US3381687A (en) Suction apparatus
US5592938A (en) Mask apparatus
EP1121163B2 (en) Apparatus for negative pressure therapy using wall suction
US2826193A (en) Cardiac resuscitation device
US5971910A (en) Method and apparatus for assisting a heart to pump blood by applying substantially uniform pressure to the ventricles
USRE29319E (en) Drainage system for incisions or wounds in the body of an animal
US5910110A (en) Controlling pressure in the eye during surgery
US4991593A (en) Flexible bag for storing body organs
GB1183497A (en) Surgical Prosthesis
US4030492A (en) Device for supporting human breathing and artificial respiration
US3099260A (en) Heart pump apparatus
US4344435A (en) Method and surgically implantable apparatus for providing fluid communication with the interior of the body
US5067485A (en) Corpus cavernosum implant device
US20130172839A1 (en) System and method for managing reduced pressure at a tissue site
US4441357A (en) Pressure monitoring and leak detection method and apparatus
US3589356A (en) Method for everting and extraverting flexible tubing into a body cavity
US5312385A (en) Device for protected pulse irrigation
US5846828A (en) Apparatus and method for sterilizing, seeding, culturing, storing, shipping, and testing tissue, synthetic, or mechanical heart valves orvalve segments
US6745445B2 (en) Stent compression method