| (19) |
 |
|
(11) |
EP 0 254 522 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
05.04.1989 Bulletin 1989/14 |
| (43) |
Date of publication A2: |
|
27.01.1988 Bulletin 1988/04 |
| (22) |
Date of filing: 20.07.1987 |
|
| (51) |
International Patent Classification (IPC)4: A61H 1/02 |
|
| (84) |
Designated Contracting States: |
|
AT BE CH DE ES FR GB IT LI NL SE |
| (30) |
Priority: |
19.07.1986 GB 8617681
10.02.1987 GB 8702977
|
| (71) |
Applicant: Smith and Nephew
Associated Companies p.l.c. |
|
London WC2R 3BP (GB) |
|
| (72) |
Inventors: |
|
- Bulstrode, Christopher John Kent
Wheatley
Oxfordshire (GB)
- Sonley, Richard Iain
Goole
North Humberside DN14 5PL (GB)
|
| (74) |
Representative: Cole, William Gwyn |
|
Corporate Patents Department
Smith and Nephew Research Limited
Gilston Park
Harlow
Essex CM20 2RQ
Harlow
Essex CM20 2RQ (GB) |
|
| |
|
| (54) |
Continuous passive motion device for limbs |
(57) A device for the passive movement of limbs comprising co-operating inflatable bags
(11, 12) and associated inflation and deflation means (17), wherein a first bag (11)
is adapted, when inflated to raise the joint and a second bag (12) is adapted, when
inflated to straighten the limb, said inflation and deflation means being (17) arranged
to alternately inflate one bag (11, 12) and deflate the other bag thereby allowing
the limb to be alternately bent and raised at the joint and then straightened and
lowered.