AU768293B2 - Limb protection system - Google Patents
Limb protection system Download PDFInfo
- Publication number
- AU768293B2 AU768293B2 AU64078/00A AU6407800A AU768293B2 AU 768293 B2 AU768293 B2 AU 768293B2 AU 64078/00 A AU64078/00 A AU 64078/00A AU 6407800 A AU6407800 A AU 6407800A AU 768293 B2 AU768293 B2 AU 768293B2
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- AU
- Australia
- Prior art keywords
- cuff
- limb
- enclosure
- user
- sleeve
- 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.)
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- Orthopedics, Nursing, And Contraception (AREA)
Description
AUSTRALIA
Patents Act 1990 COMPLETE SPECIFICATION STANDARD PATENT Applicant(s): ANDREW JAMES EVANS Invention Title: LIMB PROTECTION SYSTEM The following statement is a full description of this invention, including the best method of performing it known to me/us: 2 LIMB PROTECTION SYSTEM FIELD OF THE INVENTION The present invention relates to a limb protection system for protecting a section of a user's limb against moisture, gas, contact, bumping etc including against water and other fluids. The invention will be described primarily with reference to its use in medical/treatment applications, but it should be appreciated that the invention can be employed wherever it is necessary or desirable to protect a section of a user's limb against moisture, contact or the like. In addition, when the term "limb" is used herein, it is not simply intended to be limited to legs and arms of a user, but conceivably can extend to the torso etc of the user as appropriate, and not just human users, but animal users.
~BACKGROUND ART In medical treatment, it is often necessary/important :e* 20 to isolate a certain section of a limb from the remainder of the body of the animal (eg. human), to prevent it from contacting certain liquids (especiallywater), solvents, surfaces etc. For example, where the skin of a user's limb has been cut, grazed, burnt, bandaged, plastered etc., it S. 25 is often necessary/desirable to prevent that area from being subjected to contact eg. with water or other liquids (or even gases).
Crude attempts at isolating such limb sections have been devised over time, the most common including the 30 insertion of the limb section into a plastic bag, and then the positioning of an elastic or rubber band adjacent to the opening of the bag and extending around the perimeter of the limb. These crude systems are often inadequate in protecting the limb region from the ingress of moisture, gases etc. and are cumbersome to use.
-3 Bag systems for positioning around the hand or feet of a user are shown in FR 2252839, GB 2265314, WO 98/17340, US4,966,135 and WO 93/14730. However, each of these documents disclose cumbersome or ineffective sealing mechanisms for preventing the ingress of unwanted matter into the bag (especially water). In particular, systems that are based around an adhesive attachment of the bag to the user's limb are disclosed in GB 2265314 and WO 98/17340. FR 2252839 discloses a separate elastic band securing system which may easily be dislodged, and is of a "primitive" nature in effect. US 4,966,135, WO 93/14730 and NZ 280249 all disclose arrangements that only apply a line of force at an opening to a bag or cell which would rapidly become ineffectual over time or with repeated use.
SUMMARY OF THE INVENTION The present invention provides a limb protection device for protecting a section of a user's limb, the device including: V. 0 an enclosure for enclosing the limb section; and oo0 20 0 at least one flexible cuff integral with and away .:00 from which the enclosure extends, the cuff defining an 0opening into the device and being adapted for stretching around and compressing against that part of the user's limb extending therethrough in use, to prevent the ingress of S. 25 matter into the device immediately at the device opening 000.,and for a width of cuff that is greater than a wall thickness of the enclosure.
000.
00000In this way matter such as moisture (especially water) .00e can be prevented from reaching the limb section. This is highly advantageous in many medical situations (eg. in bathing and showering of patients with wounds, bandages, plaster etc). Also, by defining a cuff in this manner a stronger, broader seal at the user's limb can be provided.
Preferably the cuff is formed from a different material, or a more dense form of the same material, as the 4 enclosure. Typically the cuff is formed from a resilient polymeric material such as latex, elastic impregnated plastic, etc to enable its stretching during fitting and removal of the device to a limb.
Preferably the enclosure is a sleeve that is either: closed at one end, with the cuff located at an opening at the other opposing end; or open at opposing ends, with respective cuffs located at each end.
Arrangement can be used for isolating entire feet, hands, legs or arms, whereas arrangement can be used for isolating particular sections of limbs (eg. a forearm, wrist, shin, thigh) or for isolating joints (such as the elbow, shoulder, knee or hip) In one alternative the sleeve in can be releasably openable at said one end for enabling access to the limb section when the device is fitted to a user (eg. for medical access, or to let air in, or for scratching, adjustments etc). In this regard, a press-seal opening can 20 be employed at said one end.
:Preferably the sleeve in is adapted for receiving 9999 a user's hand or foot therein; and ~Preferably the sleeve in is adapted for receiving the limb right therethrough with the cuff being located on 25 opposing sides of the limb section that is enclosed within the enclosure.
9*99 Preferably the enclosure and/or the cuff are transparent. Preferably the enclosure is formed from a Spolymer that is integrally moulded with the cuff.
oo 1 9 BRIEF DESCRIPTION OF THE DRAWINGS Notwithstanding any other forms which may fall within the scope of the present invention, preferred forms of the invention will now be described, by way of example only, with reference to the accompanying drawings in which: 5 Figure 1 shows a side elevation of a first limb protection device in use, in accordance with the present invention; Figure 2 shows the device of Figure 1 in cross sectional side elevation; Figure 3 shows in cross sectional side elevation an alternative device to that shown in Figures 1 and 2; Figure 4 shows a side elevation of a further alternative device to those shown in Figures 1-3; Figures 5 and 6 show, in side elevation, two further alternative limb protection devices for use with a foot/lower leg of a user; Figures 7 and 8 show, in side elevation, two further alternative devices for use with a user's leg; Figure 9 shows, in side elevation, another limb protection device in accordance with the present invention; and Figure 10 shows, in side elevation, yet a further limb protection device in accordance with the present invention.
oo Modes for Carrying Out The Invention o Referring to the drawings, and in particular to Figure 1 i, a limb protection device in the form of a protective bag includes a sleeve portion 12 and an integral cuff 25 portion 14. Typically both the sleeve portion and cuff *portion are formed from thermoplastic polymers such that they can be moulded integrally together during original formation of the protective bag.
Typically the cuff portion is formed from a stretchable, resilient polymer, such as a latex or an elastic impregnated polymer to provide a close fit around the user's limb (eg. arm The bag at Figure 1 is typically adapted for enclosing the hand/wrist of a user.
Typically the cuff portion has a diameter less than the arm of the user, so that it clasps peripherally around that limb when fitted. This provides a seal and, as can be 6 seen, this seal can be provided over a relatively long area of limb, to maximise the sealing of the cuff against the ingress of matter (especially moisture). It has been observed that not only can the cuff seal against the ingress of any type of liquid, but it can also seal out gas, and lock air into the bag. Thus, the bag can also function like a balloon to protect the section of limb enclosed therein against inadvertent contact, bumping etc.
Typically the sleeve portion 12 is formed from a transparent polymer (such as polyethylene, polypropylene etc) to enable the user (and medical personnel) to maintain observation of the limb section enclosed therein.
Referring now to Figure 3, the cuff portion 14' can also be defined simply by a continuation of the sleeve portion 12 (ie. to be formed of the same material as the sleeve portion). Optionally, the cuff portion can have a thicker wall, or can be formed from a higher density .version of the same material (eg. a low density polyethylene sleeve portion and a high density polyethylene 20 cuff portion). Further, the cuff portion in Figure 3 can be impregnated by an elastic material.
Referring now to Figure 4, the end of the bag opposing the cuff portion can be resealably openable, for example by having a press-seal opening 16 formed thereat. Other types 25 of resealable openings can also be employed, such as those employing resealable waterproof contact adhesives etc.
Referring now to Figures 5 and 6 where like reference numerals are used to denote similar or like parts, in this case the cuff portion 14, which in Figure 5 is like that of Figure 3 and in Figure 6 is like that of Figure 1, surrounds a shin and calf of the user to enclose the foot/ankle of the user. Either the same protective bag can be used for both the hand/wrist and the foot/ankle, or the bag can be a different size for foot/ankle usage.
Referring now to Figures 7 and 8, again where like reference numerals are used to denote similar or like parts 7 to that of Figures 5 and 6, in this case the sleeve portion 12 is substantially elongate, to fit both the foot, lower leg, knee, and lower thigh region of a user therein. In addition, the cuff portion is typically sized with a greater diameter to fit around the thigh T of a user.
Referring now to Figure 9, where like reference numerals are used to denote similar or like parts, a differently shaped and elongated sleeve portion 12 is shown which is adapted for enclosing the hand and forearm of a user U.
Referring now to Figure 10, where like reference numerals are used to denote similar or like parts, a further modified sleeve portion 12' includes a pair of opposing cuff portions 14. The upper cuff portion seals against the user's upper arm and the lower cuff portion seals against the forearm. The sleeve 12' thus isolates the user's elbow region, whilst still providing for hand and arm mobility. A similar arrangement can be adapted for positioning around a user's knee region.
The embodiments described above most typically have medical applications, for protecting cuts, abrasions, burns, plasters, bandages etc against moisture, gas, contact, knocking and bumping. However, the arrangements 00.: can also be used in work and domestic applications wherever 25 similar limb protection is required. The embodiments are particularly adapted for use by a user in showering and bathing applications Whilst the invention has been described with reference to a number of preferred embodiments, it should be appreciated that the invention can be embodied in many other forms.
Claims (9)
1. A limb protection device for protecting a section of a user's limb, the device including: an enclosure for enclosing the limb section; and at least one flexible cuff integral with and away from which the enclosure extends, the cuff defining an opening into the device and being adapted for stretching around and compressing against that part of the user's limb extending therethrough in use, to prevent the ingress of 0 *matter into the device immediately at the device opening and for a width of cuff that is greater than a wall **thickness of the enclosure.
2. A device as claimed in Claim 1, wherein the cuff is S 15 formed from a different material, or a more dense form of the same material, as the enclosure.
3. A device as claimed in claim 2, wherein the cuff is formed from a resilient polymeric material such as latex, or elastic impregnated plastic, to enable its stretching 20 during fitting and removal of the device to a limb.
4. A device as claimed in any one of the preceding claims, wherein the enclosure is a sleeve that is either: closed at one end, with the cuff located at an opening at the other opposing end; or open at opposing ends, with respective cuffs located at each end.
A device as claimed in claim 4, wherein the sleeve in is releasably openable at said one end for enabling access to the limb section when the device is fitted to a user.
6. A device as claimed in claim 5, wherein a press-seal opening is provided at said one end.
7. A device as claimed in any one of claims 4 to 6, wherein the sleeve in is adapted for receiving a user's hand or foot therein; and the sleeve in is adapted for receiving the limb right therethrough, with the cuff being 9 located on opposing sides of the limb section that is enclosed within the enclosure.
8. A device as claimed in any one of the preceding claims, wherein the enclosure and/or the cuff are transparent.
9. A device as claimed in any one of the preceding claims, wherein the enclosure is formed from a polymer that is integrally moulded with the cuff. Dated this 2 9 th day of July 2002 ANDREW JAMES EVANS By his Patent Attorneys GRIFFITH HACK .o o 6o oo *~e o e, *oo
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU64078/00A AU768293B2 (en) | 1999-09-20 | 2000-09-21 | Limb protection system |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPQ9025 | 1999-09-20 | ||
AUPQ902599 | 1999-09-20 | ||
PCT/AU2000/001153 WO2002024014A1 (en) | 2000-09-21 | 2000-09-21 | Limb protection system |
AU64078/00A AU768293B2 (en) | 1999-09-20 | 2000-09-21 | Limb protection system |
Publications (2)
Publication Number | Publication Date |
---|---|
AU6407800A AU6407800A (en) | 2002-04-02 |
AU768293B2 true AU768293B2 (en) | 2003-12-04 |
Family
ID=25634203
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU64078/00A Expired AU768293B2 (en) | 1999-09-20 | 2000-09-21 | Limb protection system |
Country Status (1)
Country | Link |
---|---|
AU (1) | AU768293B2 (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2252839A1 (en) * | 1973-12-03 | 1975-06-27 | Mattos Bernard De | Wound treatment by gaseous oxygen - by immersion in continuously oxygenated liq. |
US5605534A (en) * | 1995-12-26 | 1997-02-25 | Hutchison; Jeffrey W. | Shower guard for IV site |
-
2000
- 2000-09-21 AU AU64078/00A patent/AU768293B2/en not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2252839A1 (en) * | 1973-12-03 | 1975-06-27 | Mattos Bernard De | Wound treatment by gaseous oxygen - by immersion in continuously oxygenated liq. |
US5605534A (en) * | 1995-12-26 | 1997-02-25 | Hutchison; Jeffrey W. | Shower guard for IV site |
Also Published As
Publication number | Publication date |
---|---|
AU6407800A (en) | 2002-04-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NB | Applications allowed - extensions of time section 223(2) |
Free format text: THE TIME IN WHICH TO ASSOCIATE PROVISIONAL APPLICATION NO. PQ9025 WITH THE COMPLETE APPLICATION HAS BEEN EXTENDED TO 20000921 |
|
FGA | Letters patent sealed or granted (standard patent) | ||
MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |