Surgery – Truss – Perineal
Patent
1991-02-07
1993-01-19
Apley, Richard J.
Surgery
Truss
Perineal
128 64, 128 24R, 606201, A61H 100, A61H 700
Patent
active
051799413
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
A contractile sleeve element and compression stocking consisting of a plurality of such elements for the peristaltic treatment of a patient's extremities.
The invention relates to a contractile sleeve element for use in the peristaltic treatment of patients' extremities and of the type comprising at least one sleeve means to be wrapped around a patient's leg/arm.
Regarding operations under a complete anaestetic, thrombosis in the lower extremities is a frequent complication, particularly in elderly patients, resulting in a possible development of fatal pulmonary complications.
Various circumstances influence the formation of thrombi in extremities, viz. biochemical and hemodynamic conditions (decreased flow and turbulence of the blood flow) under complete anaestetic, thereby impeding the function of the muscle pump under normal conditions.
Besides the treatment with medication, various forms of compression stockings for a long time have been used for the peristaltic compression of extremities.
U.S. Pat. No. 3,862,629 discloses a compression stocking comprising a stocking placeable around the patient's leg with a number of encircling pressure hoses or pressure chambers successively supplied with pressurized air by a suitable control sequence arrangement, thereby locally and successively subjecting the patient's limb to compression.
U.S. Pat. No. 4,091,804 discloses a compression stocking consisting of a supporting sheet of flexible material to be placed around the patient's limb, said sheet being combined with a second sheet in such a manner as to form a number of chambers supplied with pressurized air by a suitable sequential control, thereby allowing said chambers to locally and successively compress the patient's limb.
Various alternative patents deal with compression stockings which may likewise be divided into successively actuable pressure chambers (U.S. Pat. No. 3,826,249, U.S. Pat. No. 4,311,135, DE-OS 34 04 638) or which are designed without a division of the pressure chambers but accommodated within a pressure box (U.S. Pat. Nos. 3,824,992 and 4,343,302).
From U.S. Pat. No. 4,311,135 a compression stocking is known in which a number of stocking tubular members supported by a common sheathing are arranged around the patient's limb.
A common characteristic of all said prior art designs is that they all make use of air pressure (positive pressure) to actuate the individual pressure chamber elements so that there is either atmospheric pressure in said elements if no compression is wanted, or if compression is wanted there is a positive pressure.
BRIEF SUMMARY OF THE INVENTION
A contractile sleeve element in accordance with this invention differs from the prior art in that said sleeve means is capable of being deformed substantially more in its longitudinal direction than in its transversal direction and that an opening is provided in the wall of said sleeve means for air-evacuation, which causes said sleeve means to longitudinally contract so as to apply pressure around the patient's limb.
A series of substantial technical advantages are obtained by a contractile sleeve element designed as specified above.
A width of a few centimeters is suggested for the sleeve element which the doctor may wrap round the patient's limb. In view of the fact that said sleeve means may be deformed more in its longitudinal direction than in its transversal direction, it will contract in its longitudinal direction corresponding to the circumferential direction around the limb due to the evacuation of air from the sleeve.
The sleeve element will thus constrict around the limb as long as partial vacuum prevails in the interior of said sleeve means. The fact that it is connected with the supporting strip ensures that the pressure influence is directed towards the limb and that the contraction of the sleeve will be distributed across the width of the sleeve instead of being localized in a confined area along the limb as is the case according to the prior art (U.S. Pat. Nos. 3,862,629 and 4,311,
REFERENCES:
patent: 726791 (1903-04-01), Armbruster
patent: 3548809 (1970-12-01), Conti
patent: 3824992 (1974-07-01), Nicholson et al.
patent: 3826249 (1974-07-01), Lee et al.
patent: 3859989 (1975-01-01), Spielberg
patent: 3862629 (1975-01-01), Rotta
patent: 3896794 (1975-07-01), McGarth
patent: 4091804 (1978-05-01), Hasty
patent: 4156425 (1979-05-01), Arkans
patent: 4311135 (1982-01-01), Brueckner et al.
patent: 4343302 (1982-08-01), Dillon
patent: 4374518 (1983-02-01), Villanueva
patent: 4738249 (1988-04-01), Linman et al.
patent: 4762121 (1988-08-01), Shienfeld
Lynnerup Ole
Siemssen Siems O.
Apley Richard J.
Leubecker John P.
Siemssen Siems Otto
LandOfFree
Contractile sleeve element and compression sleeve made therefrom does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Contractile sleeve element and compression sleeve made therefrom, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Contractile sleeve element and compression sleeve made therefrom will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-97857