US3738372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for application of local hypothermy to the kidney
Assignee: Individual
•
Filing: 1972-01-13
•
Granted: 1973-06-12
•
Expires: 1992-01-13
Abstract
Abstract An apparatus for the application of local hypothermy to the kidney, comprising a kidney-cooling heat exchanger made as a confined chamber whose inside surface is so shaped as to suit the renal shape. The walls of the cooling heat exchanger are made double for the refrigerant to circulate therebetween, and fabricated from an elastic material.
Inventors
- 👤 T Shioshvili
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:44
CPC Classifications
A; A61; A61F; A61F7/00; A61F7/12; A61F2007/0054; A61F2007/0056; A61F7/10; A61F2007/101
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
84 words
An apparatus for the application of local hypothermy to the kidney, comprising: a cooling heat exchanger made as a confined chamber whose inside surface is so shaped as to suit the renal shape; double walls of said cooling heat exchanger adapted for the refrigerant to circulate therebetween and made of an elastic material; a recess made in said cooling heat exchanger for the kidney to accommodate; a refrigerant tank; a pump for the refrigerant to recirculate between said tank and said cooling heat exchanger.
Claim 2
Independent Claim
84 words
An apparatus for the application of local hypothermy to the kidney, comprising: a cooling heat exchanger made as a confined chamber whose inside surface is so shaped as to suit the renal shape; double walls of said cooling heat exchanger adapted for the refrigerant to circulate therebetween and made of an elastic material; a recess made in said cooling heat exchanger for the kidney to accommodate; a refrigerant tank; a pump for the refrigerant to recirculate between said tank and said cooling heat exchanger.
Claim 3
Dependent Claim
20 words
An apparatus as claimed in claim 1, wherein said double walls of the cooling heat exchanger are made of rubber.
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) | 1976-06-11 | 1976-12-11 | 1977-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-11 | 1980-12-11 | 1981-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-11 | 1984-12-11 | 1985-06-12 | $7700.00 | Window Closed / Lapsed |