JP2004337393A - Blood vessel tourniquet - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a blood vessel tourniquet for arm which can be attached around the arm by simple operation surely without special caution. <P>SOLUTION: The blood vessel tourniquet for arm is composed of a holding plate arranged to be freely elastically deformed towards the part of separation made of a circular elasticity board of various configuration for the arm which is separated in one point, having elasticity in a direction of the arm to be pressed around to remove the board from the arm pressed with, an inflatable transparent air bag attached to the inside surface of the holding plate formed at least on a part corresponding to the air bag of the holding plate, a detection surface through which the air bag can be observed from the outside and a supply and exhaust means for inflating/deflating the air bag to the desired size. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention provides a hemostatic device used for hemostasis and repair of a blood vessel after performing a puncture treatment such as injection of a contrast medium, insertion of a balloon, dialysis, or the like from a blood vessel of an arm or a thigh, and then removing a catheter, a needle, or the like from the blood vessel. About.
[0002]
[Prior art]
Conventionally, for example, as a hemostat for the brachial artery, a transparent band that is wrapped around the arm like a wristwatch band and connected by a bonding tape, an air bag attached to the inner surface of the band, and air is supplied to and exhausted from the air bag A pump is known, and in use, a band is wrapped around the arm in a state where the air bag is placed on a portion of the brachial artery to be damaged, and then air is pumped into the air bag. Infusion was performed to inflate the blood vessel, and the inflated air bladder was used to press the blood vessel with an appropriate pressure to perform hemostasis and repair the wound.
[0003]
However, in the case where the above-mentioned conventional hemostat is used for hemostasis after actual injection of a contrast medium, for example, a sheath introducer (commonly known as a seed) is pierced into the brachial artery, and then a catheter is inserted into the desired blood vessel through the sheath. When performing hemostasis when the sheath is finally withdrawn from the brachial artery after performing a treatment for injecting a contrast agent into a desired blood vessel through the catheter, the sheath given to the artery before the sheath is withdrawn. It is necessary to press-contact an inflated air bag over the puncture wound in advance. Therefore, it is necessary to wrap the tourniquet band around the arm before pulling out the sheath, and the wrapping operation is performed by turning the band under the arm immediately next to the sheath or catheter while piercing the blood vessel. However, since the operation of joining the joining tape has to be performed, the operation is troublesome and requires extra care for the practitioner.
[0004]
[Problems to be solved by the invention]
SUMMARY OF THE INVENTION It is an object of the present invention to provide a hemostat that can be securely attached to an arm by a simple operation without requiring special attention.
[0005]
[Means for achieving the object]
As means for achieving the above object, the first invention of the present application is:
A ring-shaped elastic plate of various shapes surrounding the arm and having one part cut off, having elasticity in a direction in which the arm is pressed against the surrounded arm, and elastic displacement in a direction in which the cut-out portion is expanded to be removed from the pressed-in arm. A free holding plate,
An inflatable and transparent air bag attached to the inner surface of the holding plate,
A detection surface formed at least in a portion corresponding to the air bag of the holding plate, so that the air bag can be seen from the outside,
An air supply / discharge means for inflating and deflating the air bag to a desired volume,
We propose a vascular haemostatic device consisting of an arm.
[0006]
Also, the second invention of the present application,
A ring-shaped elastic plate of various shapes surrounding the thigh and having one part cut off, having elasticity in a direction of pressing against the surrounded thigh, and elastic displacement in a direction of expanding the cut-off portion to remove from the pressed thigh. A free holding plate,
An arm plate protruding from the holding plate and extending over a blood vessel to be punctured at the distal end,
An inflatable and transparent air bag attached to the inner surface of the distal end of the arm plate,
A detection surface formed at least in a portion corresponding to the air bag of the arm plate, so that the air bag can be seen from the outside;
An air supply / discharge means for inflating and deflating the air bag to a desired volume,
We propose a thigh vascular hemostat consisting of:
[0007]
The above-mentioned "elastic holding plate" in the present invention is not only a holding member mainly made of an elastic synthetic resin such as polyethylene terephthalate resin and polypropylene resin, an elastic metal such as stainless steel, etc. Also includes those that mainly hold the arm by the elasticity of another elastic material such as a spring of a metal such as synthetic resin or steel, a leaf spring, or a rubber string.
[0008]
In addition, the term "attachment of the air bag" to the inner surface of the holding plate or the arm plate includes one that is detachably attached and one that is irremovably fixed.
[0009]
Furthermore, when the whole of the holding plate or the arm plate is transparent, the portion corresponding to the air bag automatically becomes a detecting surface. The holding plate or the arm plate is made of metal or opaque composite. In the case of resin, a window is opened at a portion corresponding to the air bag, a transparent plate is stretched over the window, a member of the holding plate or arm plate corresponding to the air bag is made of a transparent material, or the like. Including.
[0010]
Further, the structure of the arm plate "projecting to the holding plate" includes a structure detachably mounted on the holding plate, a structure fixed non-detachably, and a structure mounted rotatably in a direction without hindrance. .
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0011]
[First Embodiment of the First Invention]
FIG. 1 shows a hemostatic device (1) for a blood vessel in an arm. A transparent and elastic rectangular plate of polyethylene terephthalate resin is bent into a substantially C shape to form an elastic holding plate (2). A transparent air bag (3) in the form of a pillow is attached to the inner surface of the intermediate portion of (2), and a transparent detection device that allows the air bag to see through the portion corresponding to the air bag (3) of the holding plate (2) from the outside. Surface (4).
[0012]
The air bag (3) extends the sleeves (5) and (5) from both left and right sides of the air bag as shown in FIG. Attach one of the hook tapes (6) and (6) of the joining tape consisting of the hook tape and the loop tape, and attach the other loop tapes (7) and (7) to the corresponding portions on the inner surface of the holding plate (2). The air bag (3) is detachably attached by attaching and detaching these joining tapes. (8) is an air supply hose, (9) is a pilot operated check valve, and (10) is a pump connection port into which a pump discharge port of a plunger pump or the like is to be inserted.
[0013]
The pilot operated check valve (9) is of a type in which when the pump discharge port is inserted into the pump connection port (10), the discharge port functions as a pilot piston to open the check valve in both forward and reverse directions. Things. (11) and (11) are rubber caps attached to the cut-off ends of the holding plate (2).
[0014]
In use, for example, in the case of contrast medium injection, a sheath is pierced into the brachial artery, and then a catheter is inserted through the sheath into a desired blood vessel to inject the contrast medium. After the injection, the distal end of the C-shaped holding plate (2) in the hemostat (1) of the above example is opened in the state of the imaginary line shown in FIG. The air bag (3) is positioned over the site of the sheath piercing the blood vessel while watching the mutual positional relationship between the air bag (3) and the sheath from the detection surface (4). The discharge port of the pump is inserted into the connection port (10), the plunger is pushed to inflate the air bag (3), and the inflated air bag (3) presses the portion where the sheath is inserted into the blood vessel. , And then the seeds from the blood vessel. When the sheath is pulled out, the inflated air bag (3) presses the wound portion of the blood vessel to prevent bleeding, and the above-described pressed state is continued until the wound of the blood vessel is repaired.
[0015]
The work of fitting the holding plate (2) of the hemostat (1) to the upper arm is easy, and it is safe even at a close position such as a sheath and a catheter.
[0016]
[Second embodiment of the first invention]
In this example, the holding plate (2a) is made of a stainless steel thin plate, and its detection surface (4a) is provided on the inner surface of the window (12a) opened in the holding plate (2a) as shown in FIG. A transparent plate (13a) made of synthetic resin is stretched, and an air bag (3a) is bonded and fixed to the inner surface of the transparent plate (13a). Other structures are substantially the same as those in FIG.
[0017]
Third Embodiment of the First Invention
In FIG. 3, two intermediate plates of two lower plates (15b) and (15b) bent into an S shape of the same material are riveted to both ends of an arcuate upper plate (14b) made of a transparent elastic plate of polypropylene resin. (16b) and (16b), and the upper plate (14b) and the lower halves (15b) and (15b) form a holding plate (2b) together with the lower plate (15b). The upper half of 15b) and (15b) are designated as knobs (17b) and (17b). Other structures are substantially the same as those in FIG.
[0018]
In this example, when the knobs (17b) and (17b) are pressed in the direction of the arrow in FIG. 3 with a finger, the holding plate (2b) opens and the finger is released and closed, so that the holding plate (2b) is attached to the arm. Work becomes easier.
[0019]
Fourth Embodiment of the First Invention
In FIG. 4, a transparent rectangular plate made of a hard synthetic resin, an upper plate (14c) having U-shaped guide grooves (18c) and (18c) formed on opposite side sides thereof, and a stainless steel rectangle Two elastic plates formed by bending a thin plate into a U-shape, and two lower plates each formed by forming approximately half of each elastic plate into two parallel strips (19c) and (19c). 15c) and (15c), and the elongated grooves (19c) (19c) of the two lower plates (15c) and (15c) are inserted into the guide grooves (18c) and (18c) of the upper plate (14c). ), (19c) and (19c) are slidably inserted and held opposite to each other from the left and right, and pins protruding from the bases of the opposed strips (19c) (19c) and (19c) (19c). (20c) (20c), (20c) and (20c) with elastic cords (21c) and (21c). The upper plate (14c) and the lower plates (15c), (15c) form a holding plate (2c), and the rubber strips (21c), (21c) oppose the elongated strips (19c). ) (19c), (19c), and (19c) are pulled in the opposite directions to resiliently hold the holding plate (2c) in the closing direction.
[0020]
According to this example, the lower plates (15c) and (15c) can be opened and closed by their own elasticity, and elastically in the direction of the arrow shown in FIG. 4A by the elasticity of the rubber strings (21c) and (21c). Since it can be displaced, even if there is a difference in the thickness of the arm of the user, the holding plate (2c) is expanded and contracted correspondingly to enable the desired arm holding.
[0021]
[Embodiment 5 of the first invention]
The holding plate (2d) of the present example is configured such that the elastic rectangular plate is bent in a circular shape and, as shown in FIG. 5, in the present example, two orthogonal center lines (Ld) and (Ld) of the circular plate are provided. Are formed in concave portions (22d) (22d), which are curved inward, and convex portions (23d) are formed between adjacent concave portions (22d), (22d),.
[0022]
According to the present example, when the holding plate (2d) is fitted to the arm, even if the holding plate (2d) is strongly pressed against the arm in the concave portion (22d), the crimp is not pressed in the convex portion (23d). Does not hinder
[0023]
[First Embodiment of the Second Invention]
FIGS. 6, 7, and 8 show a hemostat (1e) for a blood vessel of a thigh. Insertion grooves (24e) are formed on both sides of an outer surface of an elastic holding plate (2e) obtained by turning an elastic rectangular plate into a substantially C shape. (25e) are formed, and an air bag support plate (26e) made of a transparent elastic synthetic resin is attached to and detached from one groove (24e), and an auxiliary plate (27e) made of an elastic synthetic resin is attached and detached to the other groove (25e). Mounted freely.
[0024]
The one air bag support plate (26e) has a support portion (29e) that is slightly downwardly inclined from the bifurcated insertion pieces (28e) and (28e) to be removably fitted into the groove portion (24e). The air bag (3e) is attached to the lower surface of the tip portion of the support portion (29e), and an operation window (30e) is opened at a position where the insertion piece is slightly bent, and the operation window (30e) It is open to the outside through a cut groove (34e) between the bifurcated insertion pieces (28e), (28e).
[0025]
The other auxiliary plate (27e) extends an auxiliary part (32e) which is slightly inclined downward from the insertion piece (31e) to be removably fitted into the groove part (25e) and curves corresponding to the thigh. . (33e) and (33e) are cushioning materials provided on the inner surface of the holding plate (2e).
[0026]
In use, for example, in the case of injecting a contrast agent, a sheath is pierced into the femoral artery, and then a catheter is inserted into a desired blood vessel through the sheath to inject the contrast agent. The holding plate (2e) from which the supporting plate (26e) and the auxiliary plate (27e) are removed is prepared, and the holding plate (2e) is widely opened as shown by the imaginary line in FIG.
[0027]
Next, the sheath and the catheter that have been stabbed in the femoral artery are positioned in the operation window (30e) through the cut groove (34e) of the air bag support plate (26e), and in this state, the support plate (26e) is Insert the insertion pieces (28e) and (28e) into the insertion groove (24e) of the holding plate (2e), and attach the auxiliary plate (27e) to the insertion piece (31e) in the groove (25e). Install it. In this case, the distal end portion of the air bag support plate (26e) is lightly pressed against the femoral artery even without the auxiliary plate (27e). However, the distal end portion of the support plate (26e) is attached by attaching the auxiliary plate (27e). Further, the pressure contact is maintained.
[0028]
The air bag (3e) is positioned over the portion of the sheath that pierces the blood vessel while sensing from the detection surface (4e), and in this state, air is sent to the air bag (3e) to inflate the air bag (3e). At 3e), the portion where the sheath is inserted into the blood vessel is pressed, and in this state, the catheter located inside the operation window (30e) and then the sheath are pulled out of the blood vessel. Hemostasis and repair of the blood vessels is performed.
[0029]
When the holding plate (2e) is held on the thigh, in order to maintain the holding securely, both ends of the holding plate are provided with a joining tape as shown by phantom lines in FIG. The connection may be made with a connection band (35e).
[0030]
The auxiliary plate (27e) in the above example may be a long one that abuts from the lower part of the thigh to the head of the knee.
[0031]
Second Embodiment of the Second Invention
As shown in FIG. 9, the elastic holding plate (2f) has a substantially U-shaped upper plate (14f) and a substantially U-shaped lower plate (15f) having an insertion piece (36f) extending from one end. And the insertion piece (36f) of the lower plate (15f) is inserted into the insertion groove (37f) provided on the outer surface of one end of the upper plate (14f), and the insertion piece (36f) is inserted with the set screw (38f). This is an example in which the other structures are substantially the same as those shown in FIGS.
[0032]
According to this example, it is possible to respond to the thickness of the thigh of the user by adjusting the insertion length of the insertion piece (36f) of the lower plate (15f).
[0033]
【The invention's effect】
According to the first and second inventions of the present application, the holding plate can be easily attached to a desired portion of the arm or thigh by the elastic displacement thereof without requiring special attention, and the air bag can be removed. It is possible to correctly contact the desired hemostatic position of the arm or thigh while viewing from the detection surface.
[Brief description of the drawings]
FIG. 1 (a) is a front view of a hemostat according to the first invention of the present application.
(B) FIG.
(C) A plan view of the air bag.
FIG. 2 (a) is a plan view of another embodiment of the first invention.
(B) It is an AA sectional view taken on the line of (a).
FIG. 3 is a front view of still another embodiment of the first invention.
FIG. 4 (a) is a plan view of another embodiment of the first invention.
FIG. 3B is a cross-sectional view taken along the line BB of FIG.
FIG. 5 is a front view of still another embodiment of the first invention.
FIG. 6 is a plan view of the hemostat according to the second invention of the present application.
FIG. 7 is a side view of the same.
FIG. 8 is a front view of the same.
FIG. 9 is a front view of a holding plate according to another embodiment of the second invention.
[Explanation of symbols]
1, 1a, 1b, 1c, 1d, 1e, 1f hemostat 2, 2a, 2b, 2c, 2d, 2e, 2f holding plate 3, 3a, 3b, 3c, 3d, 3e, 3f air bag 4, 4a, 4b, 4c, 4d, 4e, 4f Detection surface 8, 8a, 8b, 8c, 8d, 8e, 8f Air supply hose

Claims (2)

A ring-shaped elastic plate of various shapes surrounding the arm and having one part cut off, having elasticity in a direction in which the arm is pressed against the surrounded arm, and elastic displacement in a direction in which the cut-out portion is expanded to be removed from the pressed-in arm. A free holding plate,
An inflatable and transparent air bag attached to the inner surface of the holding plate,
A detection surface formed at least in a portion corresponding to the air bag of the holding plate, so that the air bag can be seen from the outside,
An air supply / discharge means for inflating and deflating the air bag to a desired volume,
Arm vascular hemostat composed of. A ring-shaped elastic plate of various shapes surrounding the thigh and having one part cut off, having elasticity in a direction of pressing against the surrounded thigh, and elastic displacement in a direction of expanding the cut-off portion to remove from the pressed thigh. A free holding plate,
An arm plate protruding from the holding plate and extending over a blood vessel to be punctured at the distal end,
An inflatable and transparent air bag attached to the inner surface of the distal end of the arm plate,
A detection surface formed at least in a portion corresponding to the air bag of the arm plate, so that the air bag can be seen from the outside;
An air supply / discharge means for inflating and deflating the air bag to a desired volume,
Thigh vascular hemostat composed of.

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