FINGER TIP TOURNIQUET
First Claim
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1. A tourniquet for compressing a finger having a ventral surface and a dorsal surface, comprising:
- a first compression pad comprising a first proximal side, a first distal side and a first surface between the first proximal side and the first distal side;
a second compression pad comprising a second proximal side, a second distal side, and a second surface between the second proximal side and the second distal side, wherein the first surface of the first compression pad faces the second surface of the second compression pad and is separated from the second surface by a distance; and
means for tensioning the first and second compression pads when the distance between the first surface of the first compression pad and the second surface of the second compression pad is increased.
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Abstract
A tourniquet comprising a pair of compression pads and a spring which is applied to a finger tip to selectively restrict venous blood outflow from the finger tip without compromising arterial blood influx.
30 Citations
15 Claims
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1. A tourniquet for compressing a finger having a ventral surface and a dorsal surface, comprising:
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a first compression pad comprising a first proximal side, a first distal side and a first surface between the first proximal side and the first distal side; a second compression pad comprising a second proximal side, a second distal side, and a second surface between the second proximal side and the second distal side, wherein the first surface of the first compression pad faces the second surface of the second compression pad and is separated from the second surface by a distance; and means for tensioning the first and second compression pads when the distance between the first surface of the first compression pad and the second surface of the second compression pad is increased. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method of obtaining a blood sample from a distal end of a finger, the finger having a pair of lateral sides between a ventral surface and a dorsal surface of the finger, the lateral sides being separated by a distance, comprising:
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(a) providing a tourniquet for compressing the lateral sides of the finger, comprising; (i) a rigid compression pad comprising a first medial side, a second medial side and a first surface between the first medial side and the second medial side, wherein the distance between the first medial side and the second medial side is greater than the distance between the lateral sides of the finger; and (ii) an elastic material having a first end and a second end, wherein the first end is connected to the first medial side of the rigid compression pad and the second end is connected to the second medial side of the rigid compression pad, the first surface of the rigid compression pad facing the inner surface of the elastic material; (b) inserting a distal end of the finger between the first surface of the rigid compression pad and the elastic material; (c) positioning the first surface of the rigid compression pad on the dorsal surface of the finger.
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Specification