CN115721371A

CN115721371A - Radial artery hemostat

Info

Publication number: CN115721371A
Application number: CN202211630283.9A
Authority: CN
Inventors: 骆晨涛; 王春娇
Original assignee: Suzhou Maide Nuoyi Medical Technology Co ltd
Current assignee: Suzhou Maide Nuoyi Medical Technology Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-03-03

Abstract

The invention provides a radial artery hemostat which comprises a main board, a binding band, a pressure stud, a driving piece and an adjusting knob, wherein the binding band is connected to the main board and used for binding the main board on a wrist, a functional hole is formed in the main board, the pressure stud is slidably arranged in the functional hole, one end of the pressure stud is connected with a hemostatic rubber pad, the driving piece is rotatably connected to the main board and is in threaded fit connection with the pressure stud, and the adjusting knob is detachably connected to the driving piece and used for driving the driving piece to rotate. Through the rotation of driving piece, can drive the pressure double-screw bolt and remove to adjust hemostatic rubber mat to the patient by the pressure size of puncture point, and medical personnel can pull down adjust knob, avoid the patient to rotate the pressure that the driving piece comes the regulated pressure double-screw bolt by oneself, can make medical personnel possess the control authority to the haemostat, improve the security during the patient wears the haemostat.

Description

Radial artery hemostat

Technical Field

The invention relates to the technical field of medical instruments, in particular to a radial artery hemostat.

Background

At present, the radial artery puncture technology is widely applied, for example, coronary angiography and interventional operation, peripheral angiography and partial peripheral blood vessel stent implantation are performed through the radial artery, and only hemostasis treatment needs to be performed on a radial artery puncture point after the operation.

Among the current radial artery haemostat, gasbag or cushion oppression are mostly adopted, but the intensity of oppression is not enough, and the difficult hemostatic effect who observes the incision, lead to postoperative hematoma phenomenon to take place frequently, the regional stenosis of oppression, oppression time overlength, patient's side effects such as activity restriction, and conventional screw rod structure oppresses the hemostatic cushion at patient's radial artery point of puncture, partial patient is in the period of wearing the haemostat, can be because of the great uncomfortable pressure of adjusting screw of sensation pressure by oneself, there is the risk of bleeding, the potential safety hazard is great, be unfavorable for the recovery of patient's postoperative.

Disclosure of Invention

Therefore, in order to facilitate medical care management, the pressure of the hemostat is prevented from being adjusted by a patient, so that medical care personnel can have control authority for adjusting the pressure of the hemostat, and the invention provides the radial artery hemostat.

The present invention provides a radial artery hemostat comprising:

the main board is provided with a functional hole;

the binding band is connected to the main board and used for binding the main board on a wrist;

the pressure stud is slidably arranged in the functional hole in a penetrating manner, and one end of the pressure stud is connected with a hemostatic rubber pad;

the driving piece is rotatably connected to the main board and is in threaded fit connection with the pressure stud;

and the adjusting knob is detachably connected to the driving piece and used for driving the driving piece to rotate.

Optionally, a clamping groove is formed in the driving piece, one end, far away from the driving piece, of the clamping groove is provided with an opening, and a clamping head suitable for being embedded into the clamping groove through the opening of the clamping groove is arranged on the adjusting knob.

Optionally, a plurality of the clamping grooves are arranged and distributed in a circular array along the rotation axis of the driving piece; the number of the clamping heads is also multiple, and the clamping heads are distributed in a circular array along the rotation axis of the driving part.

Optionally, the width of the middle part of the card slot is larger than the opening width of the card slot; the width of dop tip with draw-in groove opening width looks adaptation, the width of dop middle part with the width looks adaptation of draw-in groove middle part, just the dop can pass through the elastic change business turn over of the opening inner wall of draw-in groove the draw-in groove.

Optionally, the driving part is a cylindrical structure with an internal thread arranged on an inner wall, and the pressure stud is connected to the inner side of the driving part in a threaded manner; the adjusting knob is of a cylindrical structure with a polygonal cross section, the adjusting knob is sleeved on the outer side of the driving piece, and the clamping head is arranged on the inner side of the adjusting knob.

Optionally, the end portion, away from the main board, of the driving member is provided with a plurality of protruding structures, the protruding structures are distributed in an array manner in the circumferential direction of the driving member, and the clamping groove is formed between every two adjacent protruding structures.

Optionally, an observation channel is formed in the pressure stud along the axial direction of the pressure stud, the cross section of the observation channel is oval, and the hemostatic rubber pad is made of transparent material.

Optionally, a lens, preferably a convex lens with a magnifying effect, is embedded in an end opening of the adjusting knob on the side away from the driving member.

Optionally, a mounting ring is fixedly arranged on the inner wall of the adjusting knob, the plurality of clamping heads are uniformly fixed at one end of the mounting ring, and the magnifying lens is abutted to one end, far away from the clamping heads, of the mounting ring.

Optionally, a support ring is fixedly arranged at the bottom of the driving piece, and the outer diameter of the support ring is larger than that of the driving piece; be equipped with U type track groove on the mainboard, the tank bottom axis in U type track groove with function hole axis coincidence, the support ring rotationally sets up the tank bottom in U type track groove, just the support ring can be followed the opening business turn over in U type track groove.

Optionally, the main plate is bent to form a pressing groove, and the main plate forms a supporting portion on the main plate through the pressing groove, wherein the supporting portion is suitable for abutting against the ulna of the patient.

Optionally, one end of the main board is provided with a connecting through groove, and the other end of the main board is provided with a hook; the two ends of the binding band are respectively an adjusting end and a connecting end, and the adjusting end penetrates through the connecting through groove and is adhered to the binding band through a magic tape;

the hemostat further comprises a connecting buckle, a first connecting groove and a second connecting groove are formed in the connecting buckle, the hook is hooked in the first connecting groove, and the connecting end of the bandage penetrates through the second connecting groove and is adhered to the bandage through a magic tape.

The technical scheme of the invention has the following advantages:

1. according to the radial artery hemostat provided by the invention, when a patient wears the hemostat, medical staff uses the adjusting knob to drive the driving piece to rotate, and after the pressure of the pressure stud and the hemostatic rubber pad on the punctured point of the patient is adjusted to a proper state, the adjusting knob can be detached from the driving piece, so that the patient cannot rotate the driving piece by self to adjust the pressure, the bleeding risk is reduced, the medical staff has the control authority on the hemostat, and the safety of the patient during wearing is ensured.

2. According to the radial artery hemostat provided by the invention, when a patient wears the hemostat, medical staff can form an observation channel through the amplifying sheet, the pressure stud and the transparent hemostatic rubber pad, the visual field of the channel fully considers the maximum catheter diameter and wound size used in the radial artery interventional operation on the market at present, the visual field is fully expanded and enlarged in the structural design, the medical staff can clearly observe the hemostatic state of the punctured point of the patient, and the pressure can be adaptively increased or reduced according to the state of the patient, so that the hematoma risk is reduced.

3. According to the radial artery hemostat provided by the invention, the radian of the main board can be fully attached to the skin of a patient, and the supporting part can be abutted against the ulna of the patient by combining the curvature of the arm of the Asian race, so that the supporting stress area is increased, the wearing comfort of the patient is improved, and the mark of the supporting part is quickly removed after the patient is disassembled.

4. According to the radial artery hemostat provided by the invention, the length of the binding band can be adjusted through the movement of the adjusting end in the connecting through groove, and the radial artery hemostat can be suitable for different wrist sizes of patients; and, the cooperation of connector link and couple can wear the haemostat on patient's wrist fast, and can pull down from patient's wrist fast after the use, removes the operation of taking off the bandage from, simplifies medical personnel's operation.

5. The radial artery hemostat provided by the invention has a simple and compact integral structure, can be mutually matched and connected through self structures of all parts, does not need complex processes such as gluing and welding, is convenient for production and assembly of the hemostat, reduces the labor cost, and is convenient for popularization and application.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural view of a radial artery hemostat provided by the present invention;

FIG. 2 is a cross-sectional view of a radial artery hemostat;

FIG. 3 is an exploded view of the connection of the components of the radial artery hemostat;

FIG. 4 is a partial cross-sectional view of the support ring in the radial artery hemostat in mating relationship with the U-shaped track groove;

FIG. 5 is a partial exploded view of the support ring and U-shaped track groove of the radial artery hemostat in mating relationship;

FIG. 6 is a partial cross-sectional view of the adjustment knob and driver in a radial artery hemostat in mating relationship;

fig. 7 is a schematic structural view of a bayonet structure in an adjusting knob in a radial artery hemostat.

Description of reference numerals: 1. a main board; 11. a functional hole; 12. hooking; 13. connecting the through grooves; 14. a support portion; 15. pressing the groove; 16. a guide block; 17. u-shaped track grooves; 2. a pressure stud; 21. a base;

22. an observation channel; 23. a guide groove; 3. a drive member; 31. a card slot; 32. a raised structure; 33. guide device

A bevel; 34. a support ring; 4. a hemostatic rubber pad; 5. adjusting a knob; 51. a mounting ring; 52. clamping a head; 53. 5, caulking the groove; 6. a magnifying lens; 61. a convex wing; 62. a rotation prevention plane; 7. a U-shaped connector; 71. a U-shaped side plate;

72. a U-shaped baffle plate; 73. a fixed block; 8. binding bands; 81. magic tape; 9. connecting buckles; 91. a first connecting groove; 92. a second connecting groove.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the embodiment described in 0 is a part of the embodiments of the present invention, but not all of the embodiments. Based on the fact of the invention

Examples all other examples, which can be obtained by a person skilled in the art without inventive step, are within the scope of protection of the present invention.

In the description of the present invention, it is to be noted that the terms "center", "upper", "lower", "left", and "right" are used,

The orientations and positional relationships indicated by "right", "vertical", "horizontal", "inner", "outer", etc. are the orientations and positional relationships shown in the drawings based on 5, and are only for convenience of describing the present invention and simplifying the description, not for convenience of describing the present invention

The device or element so referred to must be oriented, constructed and operated in a particular manner and should not be construed as limiting the invention. Furthermore, the terms "first", "second", "third"

Are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted 0", "connected" and "connected" are to be construed broadly, e.g., as being fixed or connectable

Detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

This embodiment provides a radial artery hemostat, which is shown in fig. 1-7, and comprises: mainboard 1, pressure stud 2, driving piece 3, hemostatic rubber pad 4, adjust knob 5 and bandage 8.

Wherein, bandage 8 is connected on mainboard 1, bandage 8 is used for fixing mainboard 1 in patient's wrist, functional hole 11 has been seted up on mainboard 1, wear to establish in functional hole 11 pressure double-screw bolt 2 slidable, driving piece 3 rotationally connects on mainboard 1, pressure double-screw bolt 2 cooperates with 3 threaded connection of driving piece, hemostatic rubber pad 4 is connected in the bottom of pressure double-screw bolt 2, hemostatic rubber pad 4 is used for oppressing in patient's radial artery puncture point department, adjust knob 5 detachably sets up on driving piece 3, be used for driving piece 3 and rotate. Can drive pressure double-screw bolt 2 through the rotation of driving piece 3 and reciprocate to realize adjusting the pressure size of hemostasis cushion 4 to patient's wrist, and, after adjusting the pressure size, medical personnel can pull down adjust knob 5 from driving piece 3, avoid the pressure of patient self-regulated pressure double-screw bolt 2, make medical personnel have the control right to the haemostat use, reduce the hemorrhage risk during the patient wears, improve the security.

Specifically, as shown in fig. 2, 3 and 4, the driving member 3 is a vertical cylinder, and an inner wall of the driving member is provided with an internal thread matching with the pressure stud 2, and the pressure stud 2 is inserted into the driving member 3 and matches with the internal thread. The inner wall of the functional hole 11 is fixedly provided with a guide block 16, the outer wall of the pressure stud 2 is provided with a guide groove 23 extending along the axial direction of the pressure stud, and the guide block 16 is embedded in the guide groove 23 in a sliding manner, so that the guide function is achieved for the movement of the pressure stud 2, and the pressure stud 2 is prevented from rotating around the axis of the pressure stud 2. The number of the guide blocks 16 and the guide grooves 23 is not limited, and in the embodiment, two guide blocks 16 and two guide grooves 23 are arranged and symmetrically arranged on two sides of the pressure stud 2.

Referring to fig. 3, 4 and 5, a support ring 34 is fixedly disposed at the bottom end of the driving member 3, the outer diameter of the support ring 34 is larger than that of the driving member 3, a U-shaped rail groove 17 is disposed at the functional hole 11 on the top surface of the main plate 1, the axis of the bottom of the U-shaped rail groove 17 coincides with the axis of the functional hole 11, the support ring 34 is rotatably attached to the bottom of the U-shaped rail groove 17, so that the driving member 3 coincides with the axis of the functional hole 11, and the support ring 34 can slide in or out from the opening of the U-shaped rail groove 17, thereby facilitating the installation and detachment of the driving member 3.

In this embodiment, the main plate 1 is provided with a U-shaped connecting member 7 at the functional hole 11, a U-shaped track groove is formed on the main plate 1 through the U-shaped connecting member 7, the U-shaped connecting member 7 includes a U-shaped side plate 71 and a U-shaped baffle plate 72, the U-shaped side plate 71 is fixed on the top surface of the main plate 1, the U-shaped baffle plate 72 is fixed on the top of the U-shaped side plate 71, the U-shaped baffle plate 72 is spaced from the main plate 1, and thus the U-shaped track groove 17 adapted to the thickness of the supporting ring 34 is formed between the U-shaped baffle plate 72 and the main plate 1.

Further, as shown in fig. 4 and 5, a fixing block 73 is fixedly disposed on the inner side of the U-shaped side plate 71, the fixing block 73 is located on the opening side of the U-shaped rail groove 17, and the fixing block 73 abuts against the outer wall of the support ring 34 to limit the support ring 34 at the groove bottom of the U-shaped rail groove 17, so that the support ring 34 cannot be removed by itself. Moreover, the end of the fixing block 73 is an arc surface tangent to the outer wall of the support ring 34, so that friction between the fixing block and the support ring 34 is reduced, and the driving member 3 can rotate more smoothly.

As shown in fig. 5 and 6, a plurality of protruding structures 32 are fixedly disposed at the top end of the driving member 3, the protruding structures 32 are distributed in a circular array around the axis of the driving member 3, such that a slot 31 having an opening is formed between every two adjacent protruding structures 32, and the side walls of the protruding structures 32 are recessed, such that the width of the middle portion of the slot 31 is greater than the opening width of the slot 31.

As shown in fig. 6 and 7, the adjusting knob 5 is a tube shape with a cross section in a regular polygon arrangement, the driving member 3 can enter the adjusting knob 5, the inner side of the adjusting knob 5 is fixedly provided with a mounting ring 51, the bottom of the mounting ring 51 is connected with a plurality of chucks 52, the width of one end of the chuck 52 far away from the mounting ring 51 is matched with the opening width of the slot 31, and the width of the middle part of the chuck 52 is matched with the width of the middle part of the slot 31. Thereby, make dop 52 can utilize draw-in groove 31 open-ended elastic change to imbed in draw-in groove 31 to be difficult for deviating from draw-in groove 31, realize adjust knob 5 and driving piece 3 be connected, make adjust knob 5 can drive driving piece 3 and rotate, and, only need upwards pull out adjust knob 5 with strength and can pull down it, convenient to use is swift.

Further, two guiding inclined planes 33 are arranged at the end portion of each protruding structure 32, and the two guiding inclined planes 33 are respectively inclined towards the groove bottoms of the clamping grooves 31 on the two sides, so that the clamping head 52 can be conveniently guided to slide into the clamping groove 31, and the clamping head 52 can be further conveniently connected and matched with the clamping groove 31.

The quantity of draw-in groove 31 and dop 52 among the above-mentioned does not do the restriction, and in this embodiment, draw-in groove 31 is equipped with eight, and dop 52 is equipped with four, and the quantity of dop 52 is less than the quantity of draw-in groove 31 promptly, so set up, can be convenient for draw-in groove 31 of dop 52 alignment corresponding position fast, make adjust knob 5 more swift with being connected of driving piece 3. In other embodiments, only one or more of the card slots 31 and the chucks 52 may be provided, and the number of the card slots 31 and the chucks 52 may be equal, and the card slots 31 and the chucks 52 may be adaptively provided according to the specific shapes of the card slots 31 and the chucks 52.

Further, as shown in fig. 2 and 3, the pressure stud 2 is provided with an observation channel 22 formed along the axial direction thereof, the hemostatic rubber pad 4 is made of silica gel with good transparency, and the top opening of the adjusting knob 5 is provided with the magnifying lens 6, so that medical staff can observe the hemostatic condition of the punctured point of the patient through the magnifying lens 6, the observation channel 22 and the hemostatic rubber pad 4, and the medical staff can adjust the pressure of the pressure stud 2 according to the actual state of the punctured point of the patient.

The shape of the observation channel 22 is not limited, and may be rectangular or circular, and in this embodiment, the cross-sectional shape of the observation channel 22 is elliptical, which can provide a clearer view.

The outline of the magnifying glass 6 is a regular polygon with the same shape as the inner outline of the adjusting knob 5, so that the side wall of the magnifying glass 6 forms an anti-rotation plane 62, the anti-rotation plane 62 is in contact with the inner wall of the adjusting knob 5 in a fitting manner, and the magnifying glass 6 is prevented from rotating in the adjusting knob 5. The two opposite ends of the magnifying glass 6 are fixedly provided with the convex wings 61, the inner wall of the adjusting knob 5 is correspondingly provided with two caulking grooves 53, and the convex wings 61 are embedded in the caulking grooves 53 so as to fix the magnifying glass 6. And, the top height of collar 51 is less than the top height of adjust knob 5, makes the top of collar 51 form spacing step, and magnifying glass 6 supports and leans on collar 51, plays spacing effect for magnifying glass 6.

Further, as shown in fig. 2 and 3, a base 21 is fixedly arranged at the bottom end of the pressure stud 2, the edge of the base 21 extends out of the outer side of the pressure stud 2, and the hemostatic rubber pad 4 is elastically coated on the edge of the base 21, so that the hemostatic rubber pad 4 is fixed at the bottom of the pressure stud 2, and the installation and replacement of the hemostatic rubber pad 4 are facilitated.

Further, as shown in fig. 1 and 2, the bottom of the main plate 1 is provided with a supporting portion 14, and when the main plate is worn by a patient, the supporting portion 14 is adapted to abut against the ulna of the patient, so as to improve the fixing effect and comfort. In this embodiment, the main plate 1 is provided with a pressing groove 15 which is formed by bending towards one side of the binding band 8, and the pressing groove 15 forms the supporting portion 14, so that the processing and the forming are convenient, the structure is stable, and the comfort is better.

The strap 8 may be made of soft TPU, TPE, textile or nylon, and has sufficient softness and elasticity to further improve the comfort of the patient during wearing.

In this embodiment, one end of mainboard 1 is equipped with couple 12, and the other end is equipped with connects logical groove 13, and the both ends of bandage 8 are regulation end and link respectively, adjusts the end and passes and connect logical groove 13 after and paste at the back of bandage 8 through magic subsides 81 to connect the regulation end of bandage 8 on mainboard 1. The radial artery hemostat further comprises a connecting buckle 9, a first connecting groove 91 and a second connecting groove 92 are formed in the connecting buckle 9, the connecting buckle 9 is matched with the hook 12 through the first connecting groove 91, the connecting buckle 9 can be quickly connected with or detached from the mainboard 1, the connecting end of the bandage 8 is pasted on the back of the bandage 8 through the magic tape 81 after bypassing the second connecting groove 92, and the connecting end of the bandage 8 is connected to the mainboard 1 through the connecting buckle 9.

So set up, can utilize the regulation end of bandage 8 to be connected the activity in leading to groove 13, the adjustment is located the bandage 8 length size between mainboard 1 both ends, adapts to different patients' wrist size. The cooperation of connector link 9 and couple 12 can wear the haemostat on patient's wrist fast, or pull down the haemostat from patient's wrist fast, the medical personnel's of being convenient for operation.

In addition, the assembling steps of the hemostat are as follows:

firstly, the support ring 34 of the driving part 3 horizontally slides into the U-shaped track groove 17, and is embedded into the groove bottom of the U-shaped track groove 17 through the elastic deformation of the fixing block 73, so that the axis of the driving part 3 is coincided with the axis of the through hole, and meanwhile, the fixing block 73 limits the support ring 34. At the same time, the magnifier lens 6 is fitted into the opening of the adjustment knob 5, and the protruding wings 61 engage with the fitting grooves 53, thereby positioning the magnifier lens 6 by the end of the mounting ring 51. The adjusting knob 5 is sleeved on the end of the driving member 3, so that the clamping head 52 is embedded into the clamping groove 31 at the corresponding position, and the adjusting knob 5 is connected to the driving member 3. And then the pressure stud 2 upwards penetrates into the functional hole 11 from the bottom of the main board 1, moves upwards to be matched with the internal thread in the driving part 3 in a connecting manner, enables the guide block 16 to be embedded into the guide groove 23 to guide the movement of the pressure stud 2, and then drives the driving part 3 to rotate by using the adjusting knob 5 to enable the pressure stud 2 to upwards move into the driving part 3. Finally, the hemostatic rubber pad 4 is covered on the pressure base 21, and the bandage 8 is connected to the two ends of the main board 1.

In the assembling process, each part is directly connected in a combined mode through the structure of the part, complex assembling processes such as gluing and welding are not needed, all parts can be integrally molded through injection molding, production and manufacturing are facilitated, labor cost is low, and popularization and application are facilitated.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the spirit or scope of the invention.

Claims

1. A radial artery hemostat, the hemostat comprising:

the main board (1) is provided with a functional hole (11);

the binding band (8) is connected to the main board (1) and is used for binding the main board (1) on a wrist;

the pressure stud (2) is slidably arranged in the functional hole (11), and one end of the pressure stud (2) is connected with a hemostatic rubber mat (4);

the driving piece (3) is rotatably connected to the main board (1) and is in threaded fit connection with the pressure stud (2);

and the adjusting knob (5) is detachably connected to the driving piece (3) and is used for driving the driving piece (3) to rotate.

2. The radial artery hemostat according to claim 1, wherein the driving member (3) is provided with a slot (31), one end of the slot (31) away from the driving member (3) is provided with an opening, and the adjusting knob (5) is provided with a clamping head (52) which is suitable for being embedded into the slot (31) through the opening of the slot (31).

3. The radial artery hemostat according to claim 2, wherein the fastening grooves (31) are provided in plurality and distributed in a circular array along the rotation axis of the driving member (3); the number of the clamping heads (52) is also provided with a plurality of clamping heads, and the clamping heads are distributed along the rotation axis of the driving part (3) in a circular array.

4. The radial artery hemostat of claim 3, wherein the width of the middle portion of the clamping groove (31) is larger than the opening width of the clamping groove (31); the width of dop (52) tip with draw-in groove (31) opening width looks adaptation, the width of dop (52) middle part with the width looks adaptation of draw-in groove (31) middle part, just dop (52) can pass through the elastic change business turn over of the opening inner wall of draw-in groove (31).

5. The radial artery hemostat according to claim 2, wherein the driving member (3) is a cylindrical structure with an internal thread on the inner wall, and the pressure stud (2) is screwed inside the driving member (3);

adjusting knob (5) are the tubular structure of personally submitting polygon in cross section, just adjusting knob (5) cover is established the driving piece (3) outside, dop (52) set up adjusting knob (5) are inboard.

6. The radial artery hemostat according to claim 5, wherein the end of the driving member (3) away from the main plate (1) is provided with a plurality of protruding structures (32), the protruding structures (32) are distributed in an array along the circumferential direction of the driving member (3), and the clamping groove (31) is formed between every two adjacent protruding structures (32).

7. The radial artery hemostat according to claim 5, wherein the pressure stud (2) is provided with an observation channel (22) along the axial direction thereof, the cross section of the observation channel (22) is elliptical, and the hemostatic rubber pad (4) is made of transparent material.

8. Radial artery hemostat according to claim 7, characterized in that the enlargement lens (6) is embedded in the opening of the end of the adjusting knob (5) on the side away from the driving member (3).

9. The radial artery hemostat according to claim 8, wherein the inner wall of the adjusting knob (5) is fixedly provided with a mounting ring (51), a plurality of the clips (52) are uniformly fixed at one end of the mounting ring (51), and the magnifying lens (6) abuts against one end of the mounting ring (51) far away from the clips (52).

10. The radial artery hemostat according to claim 5, wherein a support ring (34) is fixedly arranged at the bottom of the driving member (3), the outer diameter of the support ring (34) is larger than the outer diameter of the driving member (3);

be equipped with U type track groove (17) on mainboard (1), the tank bottom axis of U type track groove (17) with functional hole (11) axis coincidence, support ring (34) rotationally set up the tank bottom of U type track groove (17), just support ring (34) can be followed the opening business turn over of U type track groove (17).

11. Radial artery hemostat according to claim 10, characterized in that a fixation block (73) is arranged inside the U-shaped rail groove, said fixation block (73) abutting on the side of the support ring (34) distal from the groove bottom of the U-shaped rail groove (17) limiting the support ring (34) at the groove bottom of the U-shaped rail groove (17).

12. Radial artery hemostat according to any of the claims 1 to 11, characterized in that the main plate (1) is curved with a compression groove (15), the main plate (1) forming a support (14) on the main plate (1) through the compression groove (15), the support (14) being adapted to rest against the ulna of the patient.

13. The radial artery hemostat according to claim 12, wherein one end of the main plate (1) is provided with a connecting through groove (13), and the other end is provided with a hook (12);

the two ends of the binding band (8) are respectively an adjusting end and a connecting end, and the adjusting end penetrates through the connecting through groove (13) and is stuck on the binding band (8) through a magic tape (81);

the hemostat further comprises a connecting buckle (9), a first connecting groove (91) and a second connecting groove (92) are formed in the connecting buckle (9), the hook (12) is hooked in the first connecting groove (91), and the connecting end of the bandage (8) penetrates through the second connecting groove (92) and is pasted on the bandage (8) through a magic tape (81).