Adjustable hemostatic strap

Details Adjustable hemostatic strap Adjustable hemostatic strap

1999-10-08

2001-04-17

Recla, Henry J. (Department: 3731)

Surgery

Instruments

External pressure applicator

Reexamination Certificate

active

06217601

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention relates to a hemostatic strap, and more particularly to an adjustable hemostatic strap that can conveniently be adjusted to provide a suitable compressive force to the vessel.
Before taking a hypodermic injection or drawing blood from the vessel at the hand, a hemostatic tube
1
′ (see
FIG. 1
) or hemostatic strap
1
″ (see
FIG. 2
) may be used, and fastened to the hand to compress the vessel, so that the needle of the hypodermic syringe can be accurately pierced through the wall of the vessel into its inside. When blood flows backwards into the hypodermic syringe, the hemostatic tube
1
′ or strap
1
″ is unfastened, enabling the medicine to be injected into the vessel. However, the hemostatic tube
1
′ or strap
1
″ must be maintained fastened to the hand when drawing blood from the vessel. The hemostatic tube
1
′ shown in
FIG. 1
is a rubber tube, which may stretch the skin when fastened to the hand, causing the skin injured. When unfastening the hemostatic tube
1
′, the hemostatic tube
1
′ may trip out suddenly, causing the skin to be injured again. Further, when fastening the hemostatic tube
1
′ to the hand, the hemostatic tube
1
′ tends to be twisted, causing the vessel to be deformed, and the needle of the hypodermic syringe may be forced to pierce through the vessel and to pass into the muscles. Because the hemostatic tube
1
′ is an elastic tube, it may fall out of the physician or nurse's pocket when the physician or nurse moves the body. The hemostatic strap
1
″ shown in
FIG. 2
is a flexible strap having hook and loop materials at its two distal ends. Because the hemostatic strap
1
″ is a flat strap, it imparts a compressive force to the vessel evenly when installed. This structure of hemostatic strap
1
″ does not stretch the skin. However, it cannot be adjusted to impart a suitable compressive force to the vessel when installed.
SUMMARY OF THE INVENTION
The present invention provides an adjustable hemostatic strap, which can be conveniently adjusted to impart a suitable compressive pressure to the vessel without causing the skin to be stretched. According to one aspect of the present invention, the hemostatic strap comprises a flat elastic band, and a buckle for fastening the flat elastic band to the hand, enabling the tension of the elastic band to be conveniently adjusted to the desired level. According to another aspect of the present invention, a holding down member is fastened to the flat elastic band for holding down a medicated cotton pellet on the skin at the injected point. According to still another aspect of the present invention, an end piece is fixedly fastened to one end of the flat elastic band, the end piece having a hanging hole for hanging.


REFERENCES:
patent: 4102343 (1978-07-01), Schneider
patent: 4125115 (1978-11-01), Mayo et al.
patent: 5314437 (1994-05-01), Hotsch
patent: 5535485 (1996-07-01), Kirchner

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