US3929136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for low-temperature surgery
Assignee: Dornier System GmbH
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Filing: 1974-11-18
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Granted: 1975-12-30
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Expires: 1994-11-18
Abstract
Abstract An apparatus for use in low-temperature surgery comprising surgical instrument means, heat pipe means connected to said instrument means and functioning as a handle, and low temperature cell means connected to said heat pipe means.
Inventors
- 👤 Helmut Kreeb
- 👤 Gerhard Hauser
- 👤 Klaus Kogler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:50
CPC Classifications
A; A61; A61B; A61B18/00; A61B18/02; A61B2018/00005
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
36 words
An apparatus for use in low temperature surgery comprising surgical instrument means, heat pipe means connected to said instrument means and functioning as a handle, and low temperature cell means connected to said heat pipe means.
Claim 2
Independent Claim
36 words
An apparatus for use in low temperature surgery comprising surgical instrument means, heat pipe means connected to said instrument means and functioning as a handle, and low temperature cell means connected to said heat pipe means.
Claim 3
Dependent Claim
15 words
An apparatus according to claim 1 in which said surgical instrument means is a cryo-scalpel.
Claim 4
Dependent Claim
15 words
An apparatus according to claim 1 in which said surgical instrument means is a probe.
Claim 5
Dependent Claim
13 words
An apparatus according to claim 1 in which said cell means is exchangeable.
Claim 6
Dependent Claim
15 words
An apparatus according to claim 1 in which said cell means is a solid body.
Claim 7
Dependent Claim
15 words
An apparatus according to claim 1 in which said cell means is a hollow body.
Claim 8
Dependent Claim
14 words
An apparatus according to claim 1 including insulation means on said heat pipe means.
References Cited (Backward Citations)
US3093135A
Cited
US3190081A
Cited
US3259131A
Cited
US3343544A
Cited
US3532372A
Cited
US3664344A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-12-29 | 1979-06-30 | 1979-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-29 | 1983-06-30 | 1983-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-29 | 1987-06-30 | 1987-12-30 | $7700.00 | Window Closed / Lapsed |