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Device for stopping the flow of blood in extremities
| Details |
Inventors: Sturm, Martina E.;
Assignee:
Primary Examiner: Thaler; Michael H.
Assistant Examiner:
Attorney, Agent or Firm: Eckert Seamans Cherin & Mellott
A device for ligaturing parts of the body comprises a flat strap (15) of elastic material in the form of a loop (35) and a buckle attached to the latter comprising a clamping part (1) and a releasing part (2). The clamping part comprises a basic element (29) which forms a basic supporting and guiding surface (39) in the longitudinal direction of the strap (15) and has lateral faces between which the strap passes and which have locking elements ensuring a releasable connection between the clamping part (1) and the releasing party (2). The latter is connected to one end (22) of the strap, has locking elements which releasably connect it to the clamping part (1) and a clamping region (3) at the end opposite the loop (35) whose distance from the surface (39) is located in the region of the thickness of the released strap (15) when the strap buckle is assembled. When the strap buckle is assembled, the locking elements form a pivoting joint. When pressure is exerted on a front external face (18) of the releasing part (2) located between the locking elements and the buckle (35), the clamping part (3) moves away from the basic surface (39), thereby releasing the device. On the end of the clamping part (1) facing the buckle (35), a transverse rib (12) projects from the basic surface (39) towards the releasing part (2), by a distance equal to the thickness, preferably twice the thickness, of the strap. As it passes over the transverse rib, the strap (15) changes direction. |
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DETAILED DESCRIPTION I claim: 1.
A device for stopping a flow of blood in extremities, comprising: a flat strap made of an elastic material that forms a loop, and a strap-clamping device attached to the strap and having a clamping part and a release part; the clamping part having a foundation that forms a base for supporting and guiding the strap in a longitudinal direction, and side walls, the clamping part having a first locking mechanism for releasably fastening the clamping part and the release part, the strap passing between the clamping part and the release part; the release part being attached to one end of the strap, and having a second locking mechanism for releasably fastening the clamping part, defining a clamping zone at a far end of the release part away from the loop; a distance between the clamping zone and the base in an assembled state of the strap locking device being approximately equal to a thickness of the strap when loose, whereby a clamping action is achieved between the base and the clamping zone; in the assembled state of the strap-clamping device, on one hand, the first and second locking mechanisms connecting the clamping part with the release part, and on the other hand, the first and second locking mechanisms forming a pivot joint; the release part having an outer surface, which is located between the first and second locking mechanisms and the loop, and when a forward part of this outer surface is pressed, the clamping zone becoming separated from the base, thereby releasing the clamping action; a transverse rib projecting from the base at a loop end of the clamping part by a distance at least equal to the thickness of the strap so that the strap runs down to the base after passing the transverse rib, the transverse rib forming an inclined surface for supporting the strap and the inclination of the inclined surface corresponding basically to a direction of the entering part of the loop that rests upon it.
2.
The device in accordance with claim 1, wherein the inclined surface is inclined to the base at an angle of 30
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