US4781189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic exsanguinator and method for exsanguinating a limb
Assignee: Individual
•
Filing: 1985-11-01
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Granted: 1988-11-01
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Expires: 2005-11-01
Abstract
Abstract A device and method for exsanguinating a limb using at least one inflatable bladder which surrounds the extremity of the body to be exsanguinated. The bladder is inflated at the distal end of the limb applying pressure which causes the blood to be evacuated from the limb while monitoring the applied pressure. The limb is exsanguinated and prepared for surgery under sterile and controlled conditions.
Inventors
- 👤 Cesar A. Vijil-Rosales
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:05
CPC Classifications
A; A61; A61H; A61H9/00; A61H9/005; A61H9/0078; A61B; A61B17/00; A61B17/12; A61B17/132; A61B17/135; Y; Y10; Y10S; Y10S128/00; Y10S128/20
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
96 words
A method for exsanguinating a limb comprising the steps of: encircling the limb with multiple means for pneumatic compression, multiple means to release pressure, and multiple means to monitor the pressure, each of said multiple means operating independent of each other; compressing the limb first with the compression means nearest the extremity of the limb and sequentially compressing the independent compression means to the proximal end of the limb while monitoring independently the pressure in each compression means; and exsanguinating said limb with the exertion of the independently monitored pressure in each of the compression means.
Claim 2
Independent Claim
96 words
A method for exsanguinating a limb comprising the steps of: encircling the limb with multiple means for pneumatic compression, multiple means to release pressure, and multiple means to monitor the pressure, each of said multiple means operating independent of each other; compressing the limb first with the compression means nearest the extremity of the limb and sequentially compressing the independent compression means to the proximal end of the limb while monitoring independently the pressure in each compression means; and exsanguinating said limb with the exertion of the independently monitored pressure in each of the compression means.
Claim 3
Dependent Claim
96 words
A limb exsanguinator system comprising: an encasement material sized to be adapted to surround at least a part of a limb to be exsanguinated; at least two inflatable bladders enclosed in said encasement material and adjacent to each other in said encasement material; means for securing said encasement material around the limb with each of said bladders encircling said limb to be exsanguinated; separate means for inflating each of said bladders; separate means to monitor the pressure therein of each of said bladders; and separate means for releasing the pressure therein of each of said bladders.
Claim 4
Dependent Claim
96 words
A limb exsanguinator system comprising: an encasement material sized to be adapted to surround at least a part of a limb to be exsanguinated; at least two inflatable bladders enclosed in said encasement material and adjacent to each other in said encasement material; means for securing said encasement material around the limb with each of said bladders encircling said limb to be exsanguinated; separate means for inflating each of said bladders; separate means to monitor the pressure therein of each of said bladders; and separate means for releasing the pressure therein of each of said bladders.
Claim 5
Dependent Claim
14 words
A limb exsanguinator system of claim 2 wherein said encasement material is a fabric.
Claim 6
Dependent Claim
41 words
A limb exsanguinator system of claim 2 wherein said means securing said encasement material around the limb is a series of Velcro® patches spaced along the encasement material which correspond to interact and fasten when the encasement material surrounds the limb.
Claim 7
Dependent Claim
121 words
A foot and leg exsanguinator system comprising: an encasement material sized and adapted to surround the foot and extend upward to surround at least part of the leg; at least two inflatable bladders enclosed in said encasement material; means for securing said encasement material around the foot and leg; one of said bladders in a generally trapezoidal shape adapted to surround the foot to be exsanguinated; at least one additional bladder adjacent to the trapezoidal bladder which generally is rectangular and is adapted to surround the leg; a separate means for inflating each of said bladders; separate means to monitor the pressure therein of each of said bladders; and separate means for releasing the pressure therein of each of said bladders.
Claim 8
Dependent Claim
121 words
A foot and leg exsanguinator system comprising: an encasement material sized and adapted to surround the foot and extend upward to surround at least part of the leg; at least two inflatable bladders enclosed in said encasement material; means for securing said encasement material around the foot and leg; one of said bladders in a generally trapezoidal shape adapted to surround the foot to be exsanguinated; at least one additional bladder adjacent to the trapezoidal bladder which generally is rectangular and is adapted to surround the leg; a separate means for inflating each of said bladders; separate means to monitor the pressure therein of each of said bladders; and separate means for releasing the pressure therein of each of said bladders.
Claim 9
Dependent Claim
15 words
A foot and leg exsanguinator of claim 5 wherein said encasement material is a fabric.
Claim 10
Dependent Claim
41 words
A foot and leg exsanguinator of claim 5 wherein said means securing said encasement material is a series of Velcro patches spaced along the encasement material which correspond to interact and fasten when the encasement material surrounds the foot and leg.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-11-01 | 1992-05-02 | 1992-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-11-01 | 1996-05-02 | 1996-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-11-01 | 2000-05-02 | 2000-11-01 | $7700.00 | Window Closed / Lapsed |