Patent US4372297A successfully refreshed from Google Patents.
US4372297A
Expired / Lapsed
US
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Compression device
Assignee: Kendall Co
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Filing: 1980-11-28
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Granted: 1983-02-08
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Expires: 2000-11-28
Abstract
Abstract A compression device comprising, a sleeve for placement about a patient's limb, with the sleeve having an inflatable chamber. The device has a pump communicating with the chamber for inflating the chamber, and a bladder having an inflatable cavity communicating with the pump. The effective volume of the bladder cavity which communicated with the pump may be adjusted by a suitable device.
Inventors
- 👤 Alfred R. Perlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:47
CPC Classifications
A; A61; A61H; A61H9/00; A61H9/005; A61H9/0078; A61H9/0085; Y; Y10; Y10S; Y10S128/00; Y10S128/20
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
55 words
A compression device, comprising: a sleeve for placement about a patient's limb, said sleeve having an inflatable chamber; a pump communicating with said chamber for inflating the chamber; a bladder having an inflatable cavity communicating directly with the pump; and means for adjusting the effective volume of said bladder cavity which communicates with said pump.
Claim 2
Dependent Claim
55 words
A compression device, comprising: a sleeve for placement about a patient's limb, said sleeve having an inflatable chamber; a pump communicating with said chamber for inflating the chamber; a bladder having an inflatable cavity communicating directly with the pump; and means for adjusting the effective volume of said bladder cavity which communicates with said pump.
Claim 3
Dependent Claim
11 words
The device of claim 1 wherein said pump comprises a bellows.
Claim 4
Dependent Claim
14 words
The device of claim 1 including a conduit communicating between said pump and sleeve.
Claim 5
Dependent Claim
14 words
The device of claim 1 including a conduit communicating between said pump and bladder.
Claim 6
Dependent Claim
18 words
The device of claim 1 wherein said bladder has a pair of opposed flexible walls defining said cavity.
Claim 7
Dependent Claim
30 words
The device of claim 5 wherein the adjusting means comprises means for clamping said walls together laterally across the bladder, with the clamping means being movable longitudinally along the bladder.
Claim 8
Dependent Claim
43 words
The device of claim 6 wherein the clamping means comprises a pair of aligned rollers, and means for supporting the rollers in a closely spaced relationship with said walls located between the rollers and with the walls contacting each other between the rollers.
Claim 9
Dependent Claim
13 words
The device of claim 7 wherein the supporting means rotatably supports said rollers.
Claim 10
Dependent Claim
22 words
The device of claim 1 wherein said sleeve has a plurality of spaced inflatable fingers extending toward opposed ends of the sleeve.
Claim 11
Dependent Claim
35 words
The device of claim 1 wherein said sleeve includes a sheet of relatively inextensible material secured to a back portion of the sleeve, said sheet having means for securing the sheet about the patient's limb.
Claim 12
Dependent Claim
14 words
The device of claim 1 wherein said pump sequentially inflates and deflates said sleeve.
Claim 13
Dependent Claim
17 words
The device of claim 11 wherein said pump is manually operable to inflate and deflate said sleeve.
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) | 1986-02-07 | 1986-08-09 | 1987-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-02-07 | 1990-08-09 | 1991-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-02-07 | 1994-08-09 | 1995-02-08 | $7700.00 | Window Closed / Lapsed |