US3699945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blood pressure cuff with calibrated holding means
Assignee: Individual
•
Filing: 1970-07-30
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Granted: 1972-10-24
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Expires: 1990-07-30
Abstract
Abstract A blood pressure cuff including a visual indication of the limit of assured accuracy in the blood pressure recording. The point of the cuff closure is marked to show said limit, the indicia being located in reference to the ratio which the diameter of the limb encircled by the cuff bears to the width of the occluding bladder. The markings assure acceptance (despite differences of opinion in the scientific community) by the major recognized associations concerned with the establishment of cuff design standards. The cuff minimizes disregard of the indicia and the consequent taking of an inaccurate recording, by incorporation of a ''''failsafe'''' connection between the mating cuff ends. The connecting means loses holding power and fails to maintain closure of the cuff when gas pressure is applied to the bladder in the normal fashion, if the ratio of limb diameter to bladder width exceeds known standards.
Inventors
- 👤 Paul M Hanafin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:59
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/02; A61B5/021; A61B5/022; A61B5/02233
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
106 words
A blood pressure cuff comprising: a flexible, elongated body having end portions overlapping in an operative, limb encircling disposition, said body having an occluding bladder, connectable to a source of fluid under pressure; holding means for releasably connecting the overlapping end portions of said elongated body; said holding means having a predetermined holding force, related to the ratio of limb diameter to the width of said bladder; and said holding means being operable to release said overlapping end portions in response to the application of a separating force, during the operative application of said cuff, which separating force is in excess of said predetermined holding force.
Claim 2
Dependent Claim
106 words
A blood pressure cuff comprising: a flexible, elongated body having end portions overlapping in an operative, limb encircling disposition, said body having an occluding bladder, connectable to a source of fluid under pressure; holding means for releasably connecting the overlapping end portions of said elongated body; said holding means having a predetermined holding force, related to the ratio of limb diameter to the width of said bladder; and said holding means being operable to release said overlapping end portions in response to the application of a separating force, during the operative application of said cuff, which separating force is in excess of said predetermined holding force.
Claim 3
Dependent Claim
44 words
A blood pressure cuff according to claim 1, wherein said holding means comprises mating connecting elements on said end portions; and said connecting elements have a holding force which decreases to the extent of reduction of the area of overlap of the end portions.
Claim 4
Dependent Claim
39 words
A blood pressure cuff as in claim 2, wherein said connecting elements comprise an area of hook members on one end portion in face-to-face contact with and separably interengaging an area of loop members on the other end portion.
Claim 5
Dependent Claim
43 words
A blood pressure cuff as in claim 3 in which said areas are increasingly offset from one another and hence have progressively less contact with each other, in proportion to a progressively greater reduction in the extent of overlap of said end portions.
Claim 6
Dependent Claim
91 words
A blood pressure cuff comprising: a. a flexible, elongated body having end portions overlapping in an operative, limb encircling position of the body, said body having an occluding bladder connectable to a source of fluid under pressure; b. means on the body utilizing the ratio of limb diameter to the width of the occluding bladder, to indicate a limit of assured accuracy in the recording of one''s blood pressure; and c. separable connecting means on the respective end portions releasably holding the same together in the limb-encirCling position of said body.
Claim 7
Dependent Claim
91 words
A blood pressure cuff comprising: a. a flexible, elongated body having end portions overlapping in an operative, limb encircling position of the body, said body having an occluding bladder connectable to a source of fluid under pressure; b. means on the body utilizing the ratio of limb diameter to the width of the occluding bladder, to indicate a limit of assured accuracy in the recording of one''s blood pressure; and c. separable connecting means on the respective end portions releasably holding the same together in the limb-encirCling position of said body.
Claim 8
Dependent Claim
44 words
A blood pressure cuff as in claim 5 wherein said first-named means comprises indicia on at least one of said end portions indicating the extent of overlap of the end portions in terms of the extent of deviation, if any, from a predetermined norm.
Claim 9
Dependent Claim
19 words
A blood pressure cuff as in claim 6 wherein said indicia are spaced longitudinally of said one end portion.
Claim 10
Dependent Claim
59 words
A blood pressure cuff as in claim 7 wherein an indicium is provided on the other end portion, whereby the extent, if any, of deviation from said norm is determined by visual observation of the angular position of said indicium in respect to any of the indicia of said one end portion in the limb-encircling position of the body.
Claim 11
Dependent Claim
84 words
A blood pressure cuff as in claim 8, said second-named means being operative to lose holding power with resultant opening of the cuff in response to the normal application of pressure fluid to the bladder under conditions in which the ratio of limb diameter to the bladder width is in excess of a predetermined value, and in which said ratio is visibly shown to be in excess of said value by reference to the relative displacement of the indicia of the respective end portions.
Claim 12
Dependent Claim
66 words
A blood pressure cuff as in claim 9 wherein said second-named means comprises strips of hook members and loops on the respective end portions, separably interengaging to hold the end portions together, said indicia extending across at least one of said strips as a visual reference of the extent to which said strips may be angularly displaced without a critical loss of the holding power thereof.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-24 | 1976-04-24 | 1976-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-24 | 1980-04-24 | 1980-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-24 | 1984-04-24 | 1984-10-24 | $7700.00 | Window Closed / Lapsed |