US4572173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clean cap
Assignee: Individual
•
Filing: 1984-05-29
•
Granted: 1986-02-25
•
Expires: 2004-05-29
Abstract
Abstract A clean cap for covering the head of a patient on an operating table to provide warmth and to prevent blood from contaminating the patient's hair, the cap being formed of a unitary piece of flat material foldable around the patient's head, having fasteners for holding the cap in place. Adhesive secured to the edge of the material seals against the skin of the patient to prevent blood flowing into the area under the cap.
Inventors
- 👤 Perry J. Comeau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:18
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/12; A61B; A61B46/00; A61B46/20; A61B2046/205
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
270 words
A cap for use on patients, such as during surgical procedures, to provide warmth and cleanliness comprising: a unitary piece of flat flexible material defined by; a first generally frustro-triangular portion having a generally straight first edge, equal length inwardly tapered sides and an imaginary second edge generally parallel the first edge; a second generally rectangularly shaped portion, having an imaginary first edge coinciding with said first portion imaginary second edge and having a second edge generally parallel and spaced from the first edge, and having opposed side edges; a third generally rectangular portion having a first edge and an imaginary second edge and opposed side edges; a fourth, flap portion of relatively small width and length integrally connection said second edge of said second portion and said first edge of said third portion; a fifth generally triangular shaped portion having a first edge, the intermediate portion of which is coincident with said third portion imaginary second edge, and having an elliptical second edge; and attachment means at the outer ends of said first portion first edge, at the ends of said first portion second edge, and at the ends of said fifth portion first edge, whereby the cap may be fit on the head of patient with said fifth portion extending around the neck of the patient, the third portion fitting on the lower back portion of the patients head, the second portion extending over the upper back portion of the patients head and said first portion fitting on top of the patient's head, the attachment means serving to hold the portions in assembled relationship on the patient's head.
Claim 2
Dependent Claim
270 words
A cap for use on patients, such as during surgical procedures, to provide warmth and cleanliness comprising: a unitary piece of flat flexible material defined by; a first generally frustro-triangular portion having a generally straight first edge, equal length inwardly tapered sides and an imaginary second edge generally parallel the first edge; a second generally rectangularly shaped portion, having an imaginary first edge coinciding with said first portion imaginary second edge and having a second edge generally parallel and spaced from the first edge, and having opposed side edges; a third generally rectangular portion having a first edge and an imaginary second edge and opposed side edges; a fourth, flap portion of relatively small width and length integrally connection said second edge of said second portion and said first edge of said third portion; a fifth generally triangular shaped portion having a first edge, the intermediate portion of which is coincident with said third portion imaginary second edge, and having an elliptical second edge; and attachment means at the outer ends of said first portion first edge, at the ends of said first portion second edge, and at the ends of said fifth portion first edge, whereby the cap may be fit on the head of patient with said fifth portion extending around the neck of the patient, the third portion fitting on the lower back portion of the patients head, the second portion extending over the upper back portion of the patients head and said first portion fitting on top of the patient's head, the attachment means serving to hold the portions in assembled relationship on the patient's head.
Claim 3
Dependent Claim
58 words
A clean cap according to claim 1 including adhesive strips affixed to said first portion first edge and tapered sides, said second portion side edges, said third portion side edges and said fifth portion elliptical edge, the adhesive strips serving to adhere to the skin of the patient receiving the cap to reduce blood passing underneath the cap.
Claim 4
Dependent Claim
16 words
A clean cap according to claim 1 wherein said attachment means are of the Velcro type.
Claim 5
Dependent Claim
181 words
A cap for use on a patient to provide warmth and cleanliness such as during surgical procedures comprising: a unitary piece of flat flexible material defined by; a first portion and a second portion of generally the same configuration, each portion having a first and a second spaced apart generally elliptical edge, the first and second edges being joined by spaced apart, parallel side edges, the first and second edges being furthest apart intermediate the side edges, said first and second portions being integrally joined at the intermediate portion of said first portion second edge and said second portion first edge; and attachment elements affixed to said first and second portions adjacent each of said side edges, whereby said unitary piece may be formed onto the head of a patient with said first portion covering the back of the patient's head and the upper portion of the back of the patient's neck and the second portion covering the top of the patient's head, the side edges of said first and second portions being secured to each other with said attachment elements.
Claim 6
Dependent Claim
181 words
A cap for use on a patient to provide warmth and cleanliness such as during surgical procedures comprising: a unitary piece of flat flexible material defined by; a first portion and a second portion of generally the same configuration, each portion having a first and a second spaced apart generally elliptical edge, the first and second edges being joined by spaced apart, parallel side edges, the first and second edges being furthest apart intermediate the side edges, said first and second portions being integrally joined at the intermediate portion of said first portion second edge and said second portion first edge; and attachment elements affixed to said first and second portions adjacent each of said side edges, whereby said unitary piece may be formed onto the head of a patient with said first portion covering the back of the patient's head and the upper portion of the back of the patient's neck and the second portion covering the top of the patient's head, the side edges of said first and second portions being secured to each other with said attachment elements.
Claim 7
Dependent Claim
41 words
A clean cap according to claim 4 including adhesive strips affixed to said first and second portions elliptical edges, the adhesive strips serving to adhere to the skin of the patient receiving the cap to retard blood passing underneath the cap.
Claim 8
Dependent Claim
79 words
A clean cap according to claim 4 including a third portion separate from said first and second portions, said third portion being defined by two opposed generally elliptical shaped edges and having attachment means affixed to the opposed intersections of said elliptical edges, the third portion being attachable to said first and second portions after they are formed on the head of a patient, the third portion fitting over the eyes and bridge of the nose of the patient.
References Cited (Backward Citations)
FR420634A
Cited
FR746876A
Cited
GB555541A
Cited
US3885558A
Cited
US3872516A
Cited
US3943575A
Cited
US4331136A
Cited
US4457026A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-02-24 | 1989-08-26 | 1990-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-02-24 | 1993-08-26 | 1994-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-02-24 | 1997-08-26 | 1998-02-25 | $7700.00 | Window Closed / Lapsed |