US4936319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical towel and procedure for avoiding hypothermia
Assignee: Individual
•
Filing: 1989-09-06
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Granted: 1990-06-26
•
Expires: 2009-09-06
Abstract
Abstract A surgical towel useful for preventing unintentional hypothermia induced by a prolonged surgical procedure. The towel includes a body heat retaining layer portion of thermally insulative flexible material, and a soft absorbent covering layer portion which is adhered to the outside major surfaces of the heat retaining layer portion. The covering and the heat retaining layer portions together are capable of being wrapped or draped about an exposed organ to prevent loss of body heat through the organ while surgery is in progress.
Inventors
- 👤 Seth Neubardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:33
CPC Classifications
A; A61; A61B; A61B46/00
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
138 words
A method of preventing hypothermia resulting from a surgical procedure during which organs are exposed to the surrounding environs, comprising: bonding a thermally insulative flexible material to at least one layer of soft absorbent surgical toweling to form a thermally insulative towel; making an incision in a patient's body and defining an operating field in which organs are exposed to the surrounding environs; and maintaining a desirable level of patient core body heat during the surgical procedure by wrapping in situ an exposed organ with at least one thermally insulative towel and inhibiting heat transfer between the surface of the wrapped organ and the outside surface of the insulative towel; thereby preventing loss of the patient core body heat through the exposed organ and into the surrounding environs by the wrapping of the organ during the surgical procedure.
Claim 2
Independent Claim
138 words
A method of preventing hypothermia resulting from a surgical procedure during which organs are exposed to the surrounding environs, comprising: bonding a thermally insulative flexible material to at least one layer of soft absorbent surgical toweling to form a thermally insulative towel; making an incision in a patient's body and defining an operating field in which organs are exposed to the surrounding environs; and maintaining a desirable level of patient core body heat during the surgical procedure by wrapping in situ an exposed organ with at least one thermally insulative towel and inhibiting heat transfer between the surface of the wrapped organ and the outside surface of the insulative towel; thereby preventing loss of the patient core body heat through the exposed organ and into the surrounding environs by the wrapping of the organ during the surgical procedure.
Claim 3
Dependent Claim
25 words
The method of claim 1, including framing a border of the operating field during the surgical procedure, with additional ones of the thermally insulative towel.
Claim 4
Dependent Claim
29 words
The method of claim 1, including placing a flexible vapor barrier between layers of the thermally insulative towel, and preventing patient body heat loss through said organ by evaporation.
Claim 5
Dependent Claim
29 words
The method of claim 1, including placing a flexible metallized film between layers of the thermally insulative towel, and preventing patient body heat loss through said organ by radiation.
Claim 6
Dependent Claim
19 words
The method of claim 1, including wetting the soft absorbent surgical toweling prior to wrapping of the exposed organ.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-06-25 | 1993-12-25 | 1994-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-06-25 | 1997-12-25 | 1998-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-06-25 | 2001-12-25 | 2002-06-26 | $7700.00 | Window Closed / Lapsed |