A radial artery hemostat with automatic pressure setting

Abstract

The present invention belongs to the technical field of radial artery hemostatic devices, and specifically relates to a radial artery hemostatic device with automatically set pressure, which includes an elastic ring. The elastic ring has a notch and an elastic connecting piece is fixedly connected at the notch. Rubber contact blocks and pressing blocks are fixedly installed on the inner diameter wall of the elastic ring to increase the friction force. A pressure application component is installed on the outer diameter wall of the elastic ring. By adopting the cooperation of the pressure application component and the limiting component, the gas pressure can be quickly transmitted into the pressing block and the affected part of the patient can be quickly compressed. At the same time, the limiting component can adjust the pressure on the pressure application component, thereby controlling the pressure application component to reduce the required pressure, and automatically relieve pressure when the affected part swells, avoiding adverse effects on the body caused by long-term swelling of the affected part.

Description

Technical Field

[0001] The invention belongs to the technical field of radial artery hemostatic devices, and particularly relates to a radial artery hemostatic device with automatically set pressure. Background Art

[0002] The radial artery is one of the terminal branches of the brachial artery, slightly smaller than the ulnar artery, and has branches such as the radial recurrent artery, muscular branches, palmar carpal branches, superficial palmar branches, dorsal carpal branches, and dorsal metacarpal arteries. The radial artery hemostatic device is applied to the puncture point for closing and compressing hemostasis after surgical operations such as arterial interventional surgery or after the arteriovenous indwelling needle is removed at the end of the operation.

[0003] After retrieval, a Chinese patent with the publication number CN111513796B discloses a radial artery hemostatic device with automatically set pressure, which includes an annular belt sleeved on a limb, and further includes: an airbag fixed in the annular belt in an annular shape; a hemostatic component for radial artery hemostasis arranged on the inner annular surface of the airbag; a first trachea connected and fixed to the airbag, and the end of the first trachea is detachably connected with a second trachea; a third trachea and a fourth trachea connected to the end of the second trachea through a three-way joint; a pressure gauge installed on the second trachea; an inflation component for inflating the airbag arranged at the end of the third trachea; a housing component connected and fixed to the end of the fourth trachea; and an automatic pressure relief component arranged inside the housing component.

[0004] In the prior art, the radial artery hemostatic device mainly consists of a binding band, an adhesive tape, a pressing plate, a pressing head, and a spiral handle. The above technical solution replaces components such as the binding band, adhesive tape, pressing plate, and pressing head with an airbag, inflates the airbag by using the inflation component to achieve compression hemostasis of the radial artery, and solves the problem that it is inconvenient to untie the hemostatic device when the patient's wrist is swollen by setting an automatic pressure relief component; and by setting a device for detecting air pressure, observing through a pressure gauge and using an electric instrument to complete the pressure relief process. In clinical applications, since the hemostatic device is usually used on the patient's wrist or forearm, when the above technical solution is applied to the patient's wrist or forearm, multiple tracheas on it will interfere with the patient's normal movements, and at the same time, the patient's movements may press on the tracheas, easily resulting in a slow or failed pressure relief process. Summary of the Invention

[0005] The purpose of the present invention is to provide a radial artery hemostatic device with automatically set pressure to solve the problems raised in the above background art.

[0006] To achieve the above purposes, the present invention is realized through the following technical solutions:

[0007] A radial artery hemostatic device with automatically set pressure includes an elastic ring. The elastic ring is provided with a notch and an elastic connecting piece is fixedly connected at the notch. A rubber contact block and a pressing block are fixedly installed on the inner diameter wall of the elastic ring.

[0008] A pressure - applying assembly is installed on the outer - diameter wall of the elastic ring. The pressure - applying assembly includes a pressing plate rotatably installed outside the elastic ring. A gas bag is fixedly connected between the pressing plate and the outer - diameter wall of the elastic ring, and the gas bag is communicated with a pressing block.

[0009] Further, the pressing plate includes an arc - shaped rotating part rotatably connected to the outside of the elastic ring. The end of the arc - shaped rotating part extends towards the arc - shaped rotating part and is arc - shaped. A part of the gas bag is fixedly connected between the arc - shaped rotating part and the elastic pressing part. When the arc - shaped rotating part turns towards the elastic ring, the gas bag between the arc - shaped rotating part and the elastic pressing part shrinks. When the elastic pressing part contacts the upper part of the gas bag, the arc - shaped rotating part and the elastic pressing part jointly compress the remaining part of the gas bag.

[0010] Further, a limiting assembly is installed outside the elastic ring, and a shifting rod is fixedly connected to the end of the arc - shaped rotating part.

[0011] Further, the limiting assembly includes a connecting frame and a sliding limiting frame fixedly installed on the outer - diameter wall of the elastic ring. A spring piece is fixedly connected to the connecting frame obliquely, and a limiting plate is installed on the sliding limiting frame.

[0012] Further, the limiting assembly further includes a sliding rod. A slot for the sliding rod to pass through is opened in the sliding limiting frame. An inserting block is fixedly connected to the top of the sliding rod. A spring is fixedly connected between the inserting block and the slot of the sliding limiting frame. A plurality of inserting slots corresponding to the inserting block are opened at the bottom of the limiting plate.

[0013] Further, the bottom end of the sliding rod extends outside the sliding limiting frame, and a pull rod is fixedly connected to the bottom end of the sliding rod.

[0014] Further, the elastic connecting piece includes two arc - shaped connecting plates fixedly connected to two ends of the elastic ring, and an elastic band is fixedly connected between the two arc - shaped connecting plates.

[0015] Further, an inserting strip is fixedly connected to the outside of one of the arc - shaped connecting plates, and an inserting shell corresponding to the arc - shaped connecting plate is fixedly connected to the outside of the other arc - shaped connecting plate. A slope - blocking block is elastically slidably connected to the inserting shell through a spring.

[0016] Further, the pressing block includes a rubber block fixedly installed on the inner - diameter wall of the elastic ring. A pressing bladder is embedded in the rubber block. The pressing bladder has two bladders in contact with the patient's limb and a bladder at the top connecting the two bladders. A communicating pipe is installed for communication between the top of the pressing bladder and the pressure - applying assembly.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. Through the cooperation of the pressing component and the limiting component, the present invention can quickly transfer the gas pressure into the pressing block and quickly compress the affected part of the patient to achieve the hemostasis function. At the same time, the limiting component can adjust the pressure on the pressing component, thereby controlling the pressing component to reduce the required pressure, and automatically relieve pressure when the affected part swells, avoiding the adverse effects on the body caused by long-term swelling of the affected part.

[0019] 2. By setting the elastic connecting piece, the present invention can increase its size to adapt to the thickness of the affected parts of different patients, expanding the scope of application of the present invention. At the same time, the elastic connecting pieces can be buckled together to reduce the inner diameter of the elastic ring, so that the elastic ring fits outside the affected part.

[0020] 3. By providing the arc-shaped rotating part and the elastic pressing part, after the spring piece releases the limit on the lever, the elastic pressing part can quickly pop out under its own elastic force, enabling the airbag to quickly absorb the gas in the pressing bladder and quickly relieve pressure, achieving the purpose of rapid decompression. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0022] Figure 1 It is a schematic structural diagram of the first perspective of the present invention;

[0023] Figure 2 It is a schematic structural diagram of the second perspective of the present invention;

[0024] Figure 3 It is a schematic diagram of the disassembled structure of the limiting component of the present invention;

[0025] Figure 4 It is the present invention Figure 3 The enlarged structural diagram of part A in;

[0026] Figure 5 It is a schematic diagram of the disassembled structure of the pressing block of the present invention;

[0027] Figure 6 It is a schematic structural diagram of the limiting component of the present invention;

[0028] Figure 7 It is a schematic structural diagram of the elastic connecting piece of the present invention;

[0029] Figure 8 It is a schematic structural diagram of the pressing plate of the present invention.

[0030] In the figure: 1. Elastic ring; 2. Elastic connecting piece; 201. Arc-shaped connecting plate; 202. Elastic band; 203. Insert bar; 204. Insert shell; 205. Inclined plane blocking block; 3. Rubber contact block; 4. Compression block; 401. Rubber block; 402. Compression bladder; 403. Connecting pipe; 5. Pressure application assembly; 501. Pressing plate; 5011. Arc-shaped rotating part; 5012. Elastic pressing part; 502. Airbag; 5013. Lever; 6. Limiting assembly; 601. Connecting frame; 602. Spring piece; 603. Sliding limiting frame; 604. Limiting plate; 605. Slide bar; 606. Insert block; 607. Pull rod; 608. Insert slot. Specific embodiments

[0031] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0032] The present invention will be further described below with reference to the embodiments.

[0033] Referring to Figures 1 to 8 , an automatic pressure-setting radial artery hemostat, comprising an elastic ring 1. The elastic ring 1 is provided with a notch and an elastic connecting piece 2 is fixedly connected at the notch. A rubber contact block 3 and a compression block 4 are fixedly installed on the inner diameter wall of the elastic ring 1. The rubber contact block 3 is used to contact the patient's limb to increase the friction force, and the compression block 4 is used to contact the part of the patient's wrist or forearm to be hemostatic;

[0034] A pressure application assembly 5 is installed on the outer diameter wall of the elastic ring 1. The pressure application assembly 5 is used to provide air pressure to the compression block 4. The pressure application assembly 5 includes a pressing plate 501 rotatably installed outside the elastic ring 1. A airbag 502 is fixedly connected between the pressing plate 501 and the outer diameter wall of the elastic ring 1. The airbag 502 is communicated with the compression block 4.

[0035] In the prior art, the hemostasis of the radial artery relies on a hemostatic device. A common hemostatic device consists of a strap, an adhesive tape, a pressing plate, a pressing head, and a spiral handle, and has a good fixing effect for hemostasis. If the affected area is compressed for a long time, swelling of varying degrees will occur, thus bringing adverse effects to the body. In order to quickly reduce the pressure on the affected area when swelling occurs in the affected area, the present invention proposes the following improvement solutions. By providing an elastic connecting member 2, the size of the present invention can be increased to adapt to the thickness of the affected areas of different patients, expanding the scope of application of the present invention; at the same time, the elastic connecting members 2 can be snapped together to reduce the inner diameter of the elastic ring 1, so that the elastic ring 1 fits outside the affected area; by providing an arc-shaped rotating portion 5011 and an elastic pressing portion 5012, after the spring piece 602 releases the limit on the lever 5013, the elastic pressing portion 5012 can quickly pop out under its own elastic force, so that the airbag 502 quickly absorbs the gas in the compression bladder 402, causing it to quickly release pressure and achieving the purpose of quickly reducing pressure.

[0036] Specifically, the pressing plate 501 includes an arc-shaped rotating portion 5011 rotatably connected to the outside of the elastic ring 1. The end of the arc-shaped rotating portion 5011 extends towards the arc-shaped rotating portion 5011 to form an elastic pressing portion 5012. The elastic pressing portion 5012 is arc-shaped. A part of the airbag 502 is fixedly connected between the arc-shaped rotating portion 5011 and the elastic pressing portion 5012. When the arc-shaped rotating portion 5011 turns towards the elastic ring 1, the airbag 502 between the arc-shaped rotating portion 5011 and the elastic pressing portion 5012 shrinks. When the elastic pressing portion 5012 contacts the upper part of the airbag 502, the arc-shaped rotating portion 5011 and the elastic pressing portion 5012 jointly compress the remaining part of the airbag 502.

[0037] Specifically, a limiting assembly 6 is installed on the outside of the elastic ring 1. The end of the arc-shaped rotating portion 5011 is fixedly connected with a lever 5013. The limiting assembly 6 is used to limit the positions of the arc-shaped rotating portion 5011 and the elastic pressing portion 5012 when the lever 5013 is inserted into the limiting assembly 6.

[0038] Before use, the annular body composed of the elastic ring 1 and the elastic connecting member 2 is first put on the patient's hand and moved to the part to be hemostatic, then stopped at the part to be hemostatic, and then the position of the compression block 4 is calibrated, and the lever 5013 is toggled to rotate the arc-shaped rotating part 5011 and the elastic pressing part 5012 toward the elastic ring 1. During this process, the airbag 502 is compressed by the elastic pressing part 5012 and folded. The folded position is the position where the end of the elastic pressing part 5012 is located. As the pressing plate 501 continues to rotate, the airbag 502 between the arc-shaped rotating part 5011 and the elastic pressing part 5012 is pressurized, and the gas in the airbag 502 is pressed into the compression block 4 until After the pressing plate 501 completely compresses the airbag 502, the gas in the airbag 502 is completely passed into the compression block 4. After the gas is passed into the compression block 4, the air pressure increases, and the expanded compression block 4 will compress the radial artery at the site of the patient to be hemostatic, thereby playing a role in hemostasis. When the pressing plate 501 is fully rotated into place, the lever 5013 is stuck on the limiting component 6 to prevent the pressing plate 501 from bouncing up and causing the airbag 502 to recover, so that the patient's hemostatic site can be quickly compressed, thereby playing a role in rapid hemostasis and easy operation. At the same time, only the pressing plate 501 needs to be rotated, which is simple to operate, and the gas compression method can also transmit pressure well, and at the same time will not excessively compress other parts of the patient, thereby improving the compression effect.

[0039] During the rotation of the arc-shaped rotating part 5011, the elastic pressing part 5012 will rotate toward the arc-shaped rotating part 5011 under the transfer of pressure and compress the bag body 402. Then, during the flipping process, the elastic pressing part 5012 will also press on the top of the airbag 502, compressing the airbag 502 on the elastic ring 1 until the airbag 502 is completely compressed. When the pressing plate 501 rotates, the arc-shaped rotating part 5011 and the elastic pressing part 5012 will rotate upward. When the arc-shaped rotating part 5011 and the elastic pressing part 5012 rotate to a vertical state, the elastic pressing part 5012 will be pressed toward the arc-shaped rotating part 5011 under the action of pressure. Then, the arc-shaped rotating part 5011 and the elastic pressing part 5012 are attached to the elastic ring 1, and are restricted by the restriction component 6 after the lever 5013 is inserted into the restriction component 6.

[0040] Specifically, the limiting component 6 includes a connecting frame 601 fixedly installed on the outer diameter wall of the elastic ring 1 and a sliding limiting frame 603. A spring piece 602 is fixedly connected to the connecting frame 601 in an inclined manner. A limiting plate 604 is installed on the sliding limiting frame 603, and the limiting plate 604 is used to limit the spring piece 602. The limiting component 6 further includes a sliding rod 605. A slot for the sliding rod 605 to pass through is formed in the sliding limiting frame 603. A plug 606 is fixedly connected to the top of the sliding rod 605. A spring is fixedly connected between the plug 606 and the slot of the sliding limiting frame 603. A plurality of slots 608 corresponding to the plug 606 are formed at the bottom of the limiting plate 604. The bottom end of the sliding rod 605 extends outside the sliding limiting frame 603, and a pull rod 607 is fixedly connected to the bottom end of the sliding rod 605. By providing the arc-shaped rotating part 5011 and the elastic pressing part 5012, after the spring piece 602 releases the limiting effect on the lever 5013, the elastic pressing part 5012 can quickly pop out under its own elastic force, so that the airbag 502 can quickly absorb the gas pressing the bladder 402, enabling it to quickly release pressure and achieving the purpose of rapid decompression.

[0041] When the lever 5013 rotates onto the spring piece 602, the pressure causes the spring piece 602 to deflect downward, creating space for the lever 5013 to enter the connecting frame 601. Then the spring piece 602 resets, and the lever 5013 is pressed against the lower side of the spring piece 602 under the action of the remaining air pressure in the airbag 502 and the elastic force of the arc-shaped rotating part 5011 itself. At the same time, the limiting plate 604 restricts the part of the spring piece 602 that rotates upward. The more the limiting plate 604 covers the spring piece 602, the less the part of the spring piece 602 that can rotate upward, and the greater the pressure required for the lever 5013 to overcome the elastic force of the spring piece 602 and cause the spring piece 602 to deform and break free from the restraint of the spring piece 602. Before sleeving the elastic ring 1, the position of the limiting plate 604 above the spring piece 602 can be adjusted by pushing the limiting plate 604, so as to control the magnitude of the force that the lever 5013 can overcome the elastic force of the spring piece 602. That is, when the area of the limiting plate 604 covering the spring piece 602 is small, the spring piece 602 will exert a greater resistance on the lever 5013. Since the pressing block 4 contacts the affected part of the patient, if the affected part swells abnormally, it will exert pressure on the pressing block 4, forcing the gas pressure in the pressing block 4 to be transmitted into the airbag 502. If the pressure in the airbag 502 is too high, it will exert a certain pressure on the elastic pressing part 5012, generating an upward turning force on the elastic pressing part 5012, thereby causing the lever 5013 to exert pressure on the spring piece 602. If the area of the limiting plate 604 covering the spring piece 602 is large at this time, it is easier for the lever 5013 to cause the spring piece 602 to deform upward and break free from the suppression of the spring piece 602, while if the area of the limiting plate 604 covering the spring piece 602 is large, it is more difficult for the lever 5013 to cause the spring piece 602 to deform upward. Therefore, the position of the limiting plate 604 can be adjusted as needed, so that when the affected part swells, the spring piece 602 can release the block on the lever 5013, enabling the airbag 502 to quickly recover, releasing the pressure of the pressing block 4 on the affected part, and thus achieving the effect of automatic decompression to avoid adverse effects on the body caused by excessive swelling of the affected part.

[0042] The limit plate 604 can slide in the sliding limit frame 603, and the sliding limit frame 603 can limit the limit plate 604. During the sliding process of the limit plate 604, the slot 608 at the bottom of the limit plate 604 will pass by the insertion block 606 at the top of the sliding rod 605. The top of the insertion block 606 has an inclined surface. During the movement of the limit plate 604, the insertion block 606 will be compressed downward by a certain distance until the next slot 608 is stuck on the insertion block 606. When the affected part of the patient is overly swollen but the position of the limit plate 604 is too small, the pull rod 607 can be pulled downward to separate the insertion block 606 from the slot 608. Since both the spring piece 602 and the limit plate 604 are inclined, and at this time the spring piece 602 also bears the pressure from the toggle lever 5013, the spring piece 602 will transfer part of the pressure to the limit plate 604. The limit plate 604 will slide under its own gravity, and cooperate with the pressure from the spring piece 602 to accelerate the sliding of the limit plate 604, so that the area of the limit plate 604 covering the spring piece 602 rapidly decreases, enabling the toggle lever 5013 to easily deform the spring piece 602 upward and break away from the space enclosed by the connecting frame 601 and the spring piece 602. At this time, under the elastic force of the arc-shaped rotating part 5011 itself, the pressing plate 501 will quickly pop out, and force the space inside the airbag 502 to rapidly increase, sucking the gas in the pressing block 4 into the airbag 502, thereby rapidly reducing the gas pressure in the pressing block 4, playing a role in active decompression, and preventing the improper position of the limit plate 604 from causing failure of automatic decompression.

[0043] Specifically, the elastic connecting member 2 includes two arc-shaped connecting plates 201 fixedly connected to the two ends of the elastic ring 1. A stretchable belt 202 is fixedly connected between the two arc-shaped connecting plates 201. An insertion strip 203 is fixedly connected to the outer side of one of the arc-shaped connecting plates 201, and an insertion shell 204 corresponding to the arc-shaped connecting plate 201 is fixedly connected to the outer side of the other arc-shaped connecting plate 201. A slope blocking block 205 is elastically slidably connected to the insertion shell 204 through a spring.

[0044] After the annular body formed by the elastic ring 1 and the elastic connecting member 2 is sleeved on the affected part, press the two ends of the elastic ring 1 to make the two arc-shaped connecting plates 201 approach each other, insert the insertion strip 203 into the insertion shell 204, and be blocked by the slope blocking block 205. The length of the stretchable belt 202 can be extended to the deformation range of the annular body formed by the elastic ring 1 and the elastic connecting member 2 to adapt to affected parts of different thicknesses.

[0045] Specifically, the pressing block 4 includes a rubber block 401 fixedly installed on the inner diameter wall of the elastic ring 1. An oppression bladder 402 is embedded in the rubber block 401. The oppression bladder 402 is provided with two bladders in contact with the patient's limb and a bladder at the top connecting the two bladders. A communicating pipe 403 is installed in communication between the top of the oppression bladder 402 and the pressure application assembly 5.

[0046] The gas in the airbag 502 will be introduced into the compression bladder 402 through the connecting pipe 403, and the affected part will be compressed by the two compression bladders 402. The multiple compression bladders 402 can exert a better compression effect on the affected part to achieve a better hemostatic effect. By setting the elastic connecting member 2, the size of the present invention can be increased to adapt to the thickness of the affected parts of different patients, thus expanding the applicable range of the present invention. At the same time, the elastic connecting members 2 can be snapped together to reduce the inner diameter of the elastic ring 1, so that the elastic ring 1 fits outside the affected part.

[0047] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the protection scope of the technical solutions of the embodiments of the present invention.

Claims

1. A radial artery hemostat with automatic pressure setting, comprising an elastic ring (1), wherein the elastic ring (1) is provided with a notch and an elastic connector (2) is fixedly connected to the notch, characterized in that: A rubber contact block (3) and a pressure block (4) are fixedly mounted on the inner diameter wall of the elastic ring (1); A pressure assembly (5) is mounted on the outer diameter wall of the elastic ring (1), and the pressure assembly (5) comprises a pressing plate (501) rotatably mounted on the outer side of the elastic ring (1), an air bag (502) is fixedly connected between the pressing plate (501) and the outer diameter wall of the elastic ring (1), and the air bag (502) is connected to the compression block (4); The pressing plate (501) comprises an arc-shaped rotating part (5011) rotatably connected to the outside of the elastic ring (1); the end of the arc-shaped rotating part (5011) extends in the direction of the arc-shaped rotating part (5011) to form an elastic pressing part (5012); the elastic pressing part (5012) is arc-shaped; part of the airbag (502) is fixedly connected between the arc-shaped rotating part (5011) and the elastic pressing part (5012); when the arc-shaped rotating part (5011) turns toward the elastic ring (1), the airbag (502) between the arc-shaped rotating part (5011) and the elastic pressing part (5012) contracts; when the elastic pressing part (5012) contacts the upper part of the airbag (502), the arc-shaped rotating part (5011) and the elastic pressing part (5012) jointly compress the remaining part of the airbag (502); A limiting assembly (6) is installed on the outer side of the elastic ring (1), and a lever (5013) is fixedly connected to the end of the arc-shaped rotating portion (5011); The limiting assembly (6) comprises a connecting frame (601) fixedly mounted on the outer diameter wall of the elastic ring (1) and a sliding limiting frame (603); a spring sheet (602) is fixedly and obliquely connected to the connecting frame (601); and a limiting plate (604) is mounted on the sliding limiting frame (603).

2. A radial artery hemostat with automatic pressure setting according to claim 1, characterized in that: The limiting component (6) also includes a sliding rod (605), a slot for the sliding rod (605) to pass through is opened in the sliding limit frame (603), an insert block (606) is fixedly connected to the top of the sliding rod (605), a spring is fixedly connected between the insert block (606) and the slot of the sliding limit frame (603), and a plurality of slots (608) corresponding to the insert block (606) are opened at the bottom of the limiting plate (604).

3. A radial artery hemostat with automatic pressure setting according to claim 2, characterized in that: The bottom end of the sliding rod (605) extends outside the sliding limit frame (603), and the bottom end of the sliding rod (605) is fixedly connected to a pull rod (607).

4. A radial artery hemostat with automatic pressure setting according to claim 3, characterized in that: The elastic connecting member (2) comprises two arc-shaped connecting plates (201) fixedly connected to two ends of the elastic ring (1), and an elastic band (202) is fixedly connected between the two arc-shaped connecting plates (201).

5. A radial artery hemostat with automatic pressure setting according to claim 4, characterized in that: An insert strip (203) is fixedly connected to the outer side of one of the arc-shaped connecting plates (201), and an insert shell (204) corresponding to the arc-shaped connecting plate (201) is fixedly connected to the outer side of the other arc-shaped connecting plate (201), and an inclined surface blocking block (205) is elastically slidably connected to the insert shell (204) via a spring.

6. A radial artery hemostat with automatic pressure setting according to claim 5, characterized in that: The compression block (4) comprises a rubber block (401) fixedly mounted on the inner diameter wall of the elastic ring (1), wherein a compression sac (402) is embedded in the rubber block (401), wherein the compression sac (402) is provided with two sacs in contact with the patient's limbs and a sac located at the top to connect the two sacs, and a connecting pipe (403) is installed between the top of the compression sac (402) and the pressure-applying assembly (5).

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