Patent US4168554A successfully refreshed from Google Patents.
US4168554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cardiopulmonary resuscitation cot mattress
Assignee: Ferno Washington Inc
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Filing: 1977-12-12
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Granted: 1979-09-25
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Expires: 1997-12-12
Abstract
Abstract A mattress of the type used on ambulance cots and similar patient transporting devices, the mattress having a cover containing patient supporting cushions, the cushion in the area of the patient's head and back overlying one or more stiffening panels which, upon removal of the overlying cushions, provide a firm support for the administration of cardiopulmonary resuscitation, the mattress preferably having an articulated head section which may be inclined relative to the back section to place the patient's head in a hyper-extended position.
Inventors
- 👤 Don W. Hindes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 02:49
CPC Classifications
A; A61; A61H; A61H31/00; A61H31/008
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
74 words
A cot mattress comprising a mattress cover enclosing a cushion for normally supporting a patient, an essentially rigid stiffening panel in said cover underlying said cushion, said stiffening panel being supported directly by the underside of the mattress cover, and a reclosable opening in said cover through which said cushion may be removed, whereby to convert the cushioned mattress into a firm support for the administration of cardiopulmonary resuscitation upon removal of said cushion.
Claim 2
Dependent Claim
74 words
A cot mattress comprising a mattress cover enclosing a cushion for normally supporting a patient, an essentially rigid stiffening panel in said cover underlying said cushion, said stiffening panel being supported directly by the underside of the mattress cover, and a reclosable opening in said cover through which said cushion may be removed, whereby to convert the cushioned mattress into a firm support for the administration of cardiopulmonary resuscitation upon removal of said cushion.
Claim 3
Dependent Claim
17 words
The cot mattress claimed in claim 1 including means for releasably closing the opening in said cover.
Claim 4
Dependent Claim
27 words
The cot mattress claimed in claim 2 wherein said cushion is enclosed in a casing having a handle strap for removing the cushion from the mattress cover.
Claim 5
Dependent Claim
36 words
The cot mattress claimed in claim 3 wherein said casing is formed from a material having a low coefficient of friction, and wherein said cover is lined with a material having a low coefficient of friction.
Claim 6
Dependent Claim
110 words
In a cot mattress having a cover enclosing a plurality of cushions, said cover being divided into an upper articulated section for supporting the head and back of a patient and a lower section for supporting the remainder of the patient's body, a pocket defined in the upper section of said cover for removably receiving a cushion therein, means for removably securing said cushion in said pocket, and a stiffening panel underlying said cushion and secured to said cover, whereby when said cushion is removed from said pocket, the patient's back will be supported on said stiffening panel to thereby provide a firm surface for the administration of cardiopulmonary resuscitation.
Claim 7
Dependent Claim
110 words
In a cot mattress having a cover enclosing a plurality of cushions, said cover being divided into an upper articulated section for supporting the head and back of a patient and a lower section for supporting the remainder of the patient's body, a pocket defined in the upper section of said cover for removably receiving a cushion therein, means for removably securing said cushion in said pocket, and a stiffening panel underlying said cushion and secured to said cover, whereby when said cushion is removed from said pocket, the patient's back will be supported on said stiffening panel to thereby provide a firm surface for the administration of cardiopulmonary resuscitation.
Claim 8
Dependent Claim
40 words
The cot mattress claimed in claim 5 wherein said pocket is defined by flexible material having a low coefficient of friction, and wherein said cushion is enclosed in a casing formed from flexible material having a low coefficient of friction.
Claim 9
Dependent Claim
29 words
The cot mattress claimed in claim 6 wherein the cushion casing has gripping means positioned to be grasped when it is desired to remove its cushion from its pocket.
Claim 10
Dependent Claim
49 words
The cot mattress claimed in claim 7 wherein said pocket is open at the head end of said mattress cover, wherein said mattress cover includes a closure flap for closing the open end of said pocket, and releasable fastening means for securing said closure flap in its closed position.
Claim 11
Dependent Claim
70 words
The cot mattress claimed in claim 5 wherein a pair of articulated stiffening panels underlie said pocket, a first of said panels being positioned to underlie the patient's head and the second of said panels being positioned to underlie the patient's back, whereby upon removal of said cushion, the first of said panels may be displaced angularly downwardly relative to said second panel so as to hyperextend the patient's head.
Claim 12
Dependent Claim
42 words
The cot mattress claimed in claim 5 including an additional stiffening panel in the lower section of the mattress, said additional stiffening panel lying beneath the cushion in the lower section of the mattress in the area immediately adjacent said upper secton.
Claim 13
Dependent Claim
34 words
The cot mattress claimed in claim 10 including a plurality of carrying straps secured along the opposite side edges of said mattress cover at spaced apart intervals to provide means for carrying said mattress.
Claim 14
Dependent Claim
20 words
The cot mattress claimed in claim 11 including patient restraining straps secured to the mattress cover at spaced apart intervals.
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) | 1982-09-24 | 1983-03-26 | 1983-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-09-24 | 1987-03-26 | 1987-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-09-24 | 1991-03-26 | 1991-09-25 | $7700.00 | Window Closed / Lapsed |