WO2016179976A1

WO2016179976A1 - Graded rotary pressing type compression hemostat

Info

Publication number: WO2016179976A1
Application number: PCT/CN2015/093450
Authority: WO
Inventors: 谢琼玉; 张雨; 朱正兵; 王晓锋
Original assignee: 深圳邦普医疗设备系统有限公司
Priority date: 2015-05-13
Filing date: 2015-10-30
Publication date: 2016-11-17
Also published as: CN104939888B; CN104939888A

Abstract

Disclosed is a graded rotary pressing type compression hemostat, comprising a support (1), a pressing plate (2) mounted on the lower side of the support (1) and used to compress a hemostasis position, and a knob (3) mounted on the upper side of the support (1) and used to drive the pressing plate (2) to move down for pressing by rotation. A sleeve assembly (4), which is used to increase the pressing stroke of the pressing plate (2) and can be rotated to perform a telescopic movement, is mounted between the knob (3) and the pressing plate (2). Grading sleeves of the hemostat are rotationally connected by screwing so that the sleeves can be extended and retracted, consequently, the length of the sleeve exposed outside is fixed, and the hemostat can be conveniently operated by doctors, and is suitable for patients of different body types.

Description

Hierarchical spinning type pressure hemostasis

Technical field

[0001] The present invention relates to the field of hemostatic devices, and more particularly to a stepwise spinning type compression hemostat.

Background technique

[0002] Coronary heart disease has become a major disease threatening human survival. The use of cortical coronary intervention is a very effective and mature medical treatment in the treatment of cardiovascular diseases. The method is to puncture the femoral artery located in the human groin to implement the coronary region. Speculoscopy and the application of cardiac stents. After the operation is completed, the puncture site is subjected to hemostasis treatment, and the puncture site is partially bandaged. The traditional method is to use the sandbag compression method: The surgeon first performs manual pressing on the patient's femoral artery puncture site for 10-15 minutes, and then uses a sandbag of about 0.5 kg to compress the puncture site for more than 6 吋, and the puncture limb brake is 24 hours. Inches. Because of the artificial + sandbag compression method, there are shortcomings such as uncontrollable pressure, laborious labor, strong patient discomfort, and excessive brakes.

[0003] The femoral artery and/or brachial artery compression hemostasis devices currently used in clinical practice are mainly classified into a lifting bracket type, a balloon pressing type and a twist type. The lifting bracket type is mainly composed of a bottom plate, a lifting bracket and a pressing rod. The plastic pressing head on the pressing rod is pressed on the artery puncture site after adjustment, and sufficient pressure is applied to prevent bleeding. The disadvantage of the hemostatic device is that the patient A slight movement will affect the hemostasis due to the shift. The balloon-pressurized femoral artery compression hemostat is mostly pressurized by the ball, and the inflatable transparent bag or balloon is positioned at the puncture site of the femoral artery. However, since the size and density of the patient's body shape and subcutaneous fat are different, the sputum is used. Unable to determine a more accurate pressure parameter to achieve the purpose of hemostasis. The twist-type compression hemostat consists of a plastic plate, a screw button, a compression head and a strap. The mounting head points the compression head at the puncture point of the femoral artery, and the cotton strap is used to fix the compressor on the thigh of the operation side. After the sheath is pulled out, the rotary screw button is used to pressurize the hemostasis. Currently, the twisted hemostat is matched with a screw on the internal thread of the bracket, and the blood vessel is pressed by the screw, but the screw height is fixed, and the difference is different. The patients vary greatly in their body type, and the depth of rotation required to stop bleeding is not the same. If the patient's required spin depth is small, the screw will have a long exposure to the outside, preventing the medical staff from operating.

technical problem

[0004] It is an object of the present invention to provide a stepwise spinning type pressure hemostat, which solves the prior art twist type The small depth of compression of the compression hemostat leads to problems that cannot be adapted to the needs of different body types.

Problem solution

Technical solution

[0005] The technical solution adopted by the present invention to solve the technical problem is: a hierarchical spinning type pressure hemostasis, comprising a bracket, a pressure plate mounted on the lower side of the bracket for pressing a hemostatic position, and being mounted on the bracket A side of the knob for moving the pressing plate by rotationally driving the platen, and a sleeve assembly for increasing the rotationally stretchable movement of the platen pressing stroke is mounted between the knob and the platen.

[0006] In the stepwise spinning type compression hemostat of the present invention, the bracket has a main sleeve, the sleeve assembly includes a first stage sleeve connected to the pressure plate, and the main sleeve and the Between the first-stage sleeves, at least one grading sleeve is sequentially disposed, the main sleeve is sleeved outside, and the first-stage sleeve is sleeved

[0007] In the stepwise spinning type pressure hemostat of the present invention, the pressure plate is coupled to the lower end of the first stage sleeve, and the pressure plate is mounted between the pressure plate and the first stage sleeve for reducing rotation generation. The friction of the bearing.

[0008] In the hierarchical spinning type compression hemostat according to the present invention, the inner circumference of the main sleeve is formed with a first internal thread; the outer circumference of the first stage sleeve is formed with a first external thread; a second external thread is formed on the outer circumference of the sleeve, and a second internal thread is formed on the inner circumference of each of the classification sleeves; the main sleeve, each of the classification sleeves and the first stage sleeve are rotated by a screw connection Telescopic movement.

[0009] In the stepwise spinning type compression hemostat of the present invention, the first external thread upper end of the first stage sleeve is formed with a first stop portion for stopping rotation; and each of the classification sleeves The upper end of the second external thread is formed with a second stop for stopping the rotation.

[0010] In the stepwise spinning type compression hemostat of the present invention, the knob includes a cover body and a main sleeve formed downwardly from the cover body, and the cover body is sleeved and mounted The upper end of the main sleeve; the first stage sleeve is vertically upwardly formed with a column; the main sleeve and the column are sequentially sleeved with at least one classification sleeve, and the main sleeve In addition, the main sleeve, each of the grading sleeves and the column are slidably connected to each other and are not detached from each other.

[0011] In the stepwise spinning type pressure hemostasis device of the present invention, the outer circumference of the column is axially provided with a first sliding groove, and the upper end of the vertical column is provided with a limiting block for holding.

[0012] In the hierarchical spinning type compression hemostat of the present invention, the outer circumference of each of the classification sleeves is provided along the axial direction The second sliding slot is formed with a limiting recess for clamping at the upper end of the second sliding slot. The inner side of the lower end of each of the grading sleeves is convexly formed with a convex portion for sliding and holding.

[0013] In the stepwise spinning type compression hemostat of the present invention, the inner side of the lower end of the main sleeve is convexly formed with a boss for sliding and holding.

[0014] In the stepwise spinning type pressure hemostasis device of the present invention, the cover body is formed with a buckle portion protruding from the inner circumference of the sleeve body, and an annular groove is formed on an outer circumference of the main sleeve, and the buckle portion is fastened. Into the annular groove.

Advantageous effects of the invention

Beneficial effect

[0015] The hierarchical spinning compression hemostat embodying the present invention has the following beneficial effects: The hierarchical spinning compression hemostat of the present invention adopts a stepped sleeve, which is connected by thread rotation and simultaneously achieves elongation and shortening, and is rotated. Pressing regardless of the patient's size, the exposed sleeve is always only a fixed length, which is beneficial to the medical staff. Therefore, the graded spinning compression hemostat of the present invention is simple to use and convenient for doctors to operate; the design is comfortable, the pain and inconvenience of the patient can be alleviated; and the applicability is wide, and it is suitable for patients of different body types. Brief description of the drawing

DRAWINGS

1 is a schematic external view of a stepwise spinning type pressure hemostat according to the present invention;

2 is a schematic exploded view of a hierarchical spinning type compression hemostat according to the present invention;

3 is a cross-sectional view of a stent of a stepwise spinning compression hemostat according to the present invention;

4 is a schematic structural view of a grading sleeve of a stepwise spinning type pressure hemostat according to the present invention;

5 is a positional relationship diagram of a bearing, a pressure plate and a first stage sleeve of the stepwise spinning type pressure hemostat according to the present invention;

6 is a schematic structural view of a knob of a step-wise spinning type pressure hemostat according to the present invention;

7 is a schematic structural view of a stent of a step-wise spinning type pressure hemostat according to the present invention;

8 is a schematic structural view of a first stage sleeve of a stepwise spinning type pressure hemostat according to the present invention;

9 is a schematic structural view of a grading sleeve of a stepwise spinning type pressure hemostat according to the present invention;

[0025] FIG. 10 is a view showing a state in which the first stage sleeve of the stepwise spinning type pressure hemostasis of the present invention is screwed down to an extreme position;

11 is a schematic view showing a state in which a classifying sleeve of a stepwise spinning type pressure hemostat according to the present invention is screwed down to an extreme position; Figure.

Embodiments of the invention

[0027] The structure and function principle of the hierarchical spinning type hemostasis device of the present invention will be further described below with reference to the accompanying drawings and embodiments:

[0028] In the description of the present invention, it is to be understood that the terms "center", "vertical", "transverse", "upper", "lower", "front", "back", "left", "right" The orientation or positional relationship of "," "vertical", "horizontal", "top", "bottom", "inside", "outer", "shun", "reverse", etc. is based on the figure The orientation or positional relationship is merely for the purpose of describing the present invention and the description of the invention, and is not intended to indicate or imply that the device or component referred to has a specific orientation, is constructed and operated in a specific orientation, and thus is not to be construed as limiting the invention. .

[0029] As shown in FIG. 1, a stepwise spinning type pressure hemostasis, as seen from the appearance, includes a bracket 1, wherein the bracket 1 has a main sleeve 11. 2, a pressure plate 2 for pressing the hemostatic position is mounted on the lower side of the stent 1, and a soft rubber pad 100 is disposed on the lower surface of the pressure plate 2 for hemostasis and comfort for the patient, wherein the soft rubber pad 100 is coated on the pressure plate. 2 on the lower surface. A knob 3 for pressing downward by rotationally driving the pressure plate 2 is attached to the upper side of the bracket 1. Specifically, the knob 3 is sleeved on the upper end of the main sleeve 11 of the bracket 1, and the pressure plate 2 is located at the lower end of the main sleeve 11.

[0030] As shown in FIG. 2, the step-by-step compression type hemostasis device includes a sleeve assembly 4 in addition to the aforementioned knob 3, the bracket 1, and the pressure plate 2. The sleeve assembly 4 is for increasing the pressing stroke of the pressure plate 2. The sleeve assembly 4 is mounted between the pressure plate 2 and the knob 3 and is mounted in the main sleeve 1, wherein the sleeve assembly 4 includes a plurality of sleeves that are rotatable and reciprocally movable relative to each other. As shown in FIG. 2, the sleeve assembly 4 includes a first stage sleeve 41 and at least one grading sleeve 42 which is sequentially sleeved between the main sleeve 11 and the first stage sleeve 41, wherein the main sleeve 11 sets The first stage sleeve 41 is sleeved, and the main sleeve 11, each of the classifying sleeves 42 and the first stage sleeve 41 are rotated and telescopically moved by screwing. In other embodiments, the main sleeve 11, each of the classifying sleeves 4 2 and the first stage sleeve 41 can also be telescopically moved by sliding. In addition, the stepwise spinning compression hemostat further comprises at least one classification sleeve 5, a limiting block 6 installed in the first stage sleeve 41, a first screw 7 for mounting the limiting block, and a mounting on the inner side of the pressure plate 2. A bearing shaft 8 and a second screw 9 for mounting the pressure plate 2.

[0031] In the present embodiment, the number of the grading sleeves 42 is one, and in other embodiments, the number of the grading sleeves 42 may be two or three, or more. The main sleeve 11 is sleeved and sleeved on the outermost sleeve. The step sleeve 42 which is externally and sheathed with the outermost layer is connected by screw rotation. It can be understood that one, two or more grading sleeves 42 are sequentially disposed outside the first-stage sleeve 41, which is equivalent to sequentially arranging N grading sleeves 42 outside the first-stage sleeve 41, and The classification sleeves of the N+1th grade are respectively set, N is a natural number, that is, N is an integer of ≥ 1, preferably, N = 1 to 3, and more preferably, the number of the classification sleeves 42 of the present embodiment is one. That is, N = 1, so that one of the grading sleeves 42 in this embodiment corresponds to the grading sleeve of the second stage. Therefore, the main sleeve 11 is sleeved outside the indexing sleeve of the (N+1)th stage, and the main sleeve 11 is rotatably connected outside the indexing sleeve of the (N+1)th stage.

[0032] In the present embodiment, since the number of the grading sleeves 42 is one, the main sleeve 11 is sleeved outside the grading sleeve 42 (the grading sleeve of the second stage), and the grading sleeve 42 ( The second-stage grading sleeves are sleeved outside the first-stage sleeves 41 and are rotatably connected to each other by threads.

[0033] As shown in FIG. 3, the inner lower end of the main sleeve 11 of the bracket 1 is formed with a first internal thread 111. As shown in FIG. 4, a second external thread 421 is formed on the outer circumference of each of the grading sleeves 42. A second internal thread 422 is formed on the inner circumference of a grading sleeve 42. The first internal thread 111 of the main sleeve 11 is screwed with the second external thread 421 of the outermost sleeve of the grading sleeve 42 and is rotated and expanded, that is, the second outer portion of the grading sleeve of the N+1th stage. The thread 4 21 is threaded and rotated to expand and contract. The upper end of the second external thread 421 of each of the grading sleeves 42 is further formed with a second stopping portion 423 for stopping the rotation, and the second stopping portion 423 cuts the shape of the second external thread 421 of the grading sleeve 42 Then, the stop grading sleeve 42 continues to rotate downward to prevent the detachment.

[0034] As shown in FIG. 5, a first external thread 411 is formed on the outer circumference of the first stage sleeve 41, and a first stop for stopping the rotation is formed at the upper end of the first external thread 411 of the first stage sleeve 41. The first stop portion 412 cuts off the shape of the first external thread 411, and further stops the first-stage sleeve 41 from continuing downward rotation to prevent falling off. The first external thread 411 of the first stage sleeve 41 is screwed and rotated and telescoped with the second internal thread 422 of the adjacent step sleeve 42. In the present embodiment, the number of the classifying sleeves 42 is one, which is equivalent. In the second stage of the grading sleeve, the first external thread 411 of the first stage sleeve 41 is threadedly coupled with the second internal thread 422 of the second stage grading sleeve and is rotationally stretched; in other embodiments, the grading sleeve The number of the cylinders 42 is two, and the second internal thread 422 of the grading sleeve of the third stage is screwed and rotated and expanded by the second external thread 421 of the grading sleeve of the second stage, and so on.

[0035] As shown in FIG. 5, the lower end of the first stage sleeve 41 is connected to the pressure plate 2, and has a bottom wall 413 at the lower end of the first stage sleeve 41, and is respectively disposed on the bottom wall 413 and the pressure plate 2 Passing through hole 10 and passing through second screw 9 The pressure plate 2 is connected to the first stage sleeve 41, and the second screw 9 functions only to relatively fix the two axially. The bearing 8 is mounted between the first stage sleeve 41 and the pressure plate 2 to act as a lubricant, thereby reducing the frictional force caused by the rotation between the first stage sleeve 41 and the pressure plate 2. When the first stage sleeve 41 is rotated and pressed, the pressure plate 2 can be prevented from rotating with the first stage sleeve 41, thereby avoiding pain to the patient, and it is easier to use the knob 3 for rotation. The bearing 8 has a ring of marbles 81 inside, thereby achieving the effect of reducing friction. The specific structure of the bearing 8 is prior art and will not be described in detail herein.

[0036] As shown in FIG. 6, the knob 3 has a cover body 31 that is fitted over the main sleeve 11 of the bracket 1. The outer circumference of the cover body 31 is formed with a knurling structure for increasing the friction of the rotary knob 3. For easy operation of knob 3. The cover body 31 is sleeved on the main sleeve 11, and the inner periphery of the cover body 31 is convexly formed with a locking portion 311. As shown in Fig. 7, the outer circumference of the main sleeve 11 is formed with an annular groove 112. When the cover body 31 is sleeved and mounted on the upper end of the main sleeve 11, the buckle portion 311 is fastened into the annular groove 112, and then the cover body 31 is mounted on the main sleeve 11, and the cover body 31 can be in the main The sleeve 11 is arbitrarily rotated without falling off. In this embodiment, the number of the latching portions 311 is two and symmetrically arranged to make the structure more stable. In other embodiments, there may be multiple.

[0037] As shown in FIG. 6, a main sleeve 32 is formed in the cover body 31 of the knob 3, and as shown in FIG. 8, a post 43 is formed upright in the axial direction of the first stage sleeve 41. At least one grading sleeve 5 is sequentially disposed between the main sleeve 32 and the column 43 , and the main sleeve 32 is sleeved outside, the column 43 is sleeved, the main sleeve 32 , each grading sleeve 5 and the column 43 is retractable and slides and sticks to each other without falling off. In the present embodiment, the number of the grading sleeves 5 is one, and in other embodiments, it may be plural, depending on actual needs. And the number of the grading sleeves 5 is preferably the same as the number of the grading sleeves 42, and the heights are substantially the same.

[0038] It can be understood that the grading sleeve 5 is sleeved outside the column 43 in sequence, which is equivalent to arranging M grading sleeves 5 on the column 43 and respectively corresponding to the M-stage grading sleeve, M is a natural number, that is, M is an integer of ≥ 1, preferably, M = 1-3, more preferably, the number of the grading sleeves 5 of the present embodiment is one, that is, M = 1, and the adjacent pillars 43 are installed adjacent to each other. The grading sleeve 5 is a first-stage grading sleeve, and the grading sleeve of the first stage is slidably connected to the column 43 and is not detached from each other. The main sleeve 32 is sleeved outside the graded sleeve of the Mth stage, and the main sleeve 32 is slidably connected to the graded sleeve of the Mth stage and is not detached from each other.

[0039] In the present embodiment, since the number of the classification sleeves 5 is one, the main sleeve 32 is sleeved outside the classification sleeve 5 (the first-stage classification sleeve), and the classification sleeve 5 ( The first-stage grading sleeves are sleeved outside the column 43 and are slidably connected to each other and are not detached. [0040] As shown in FIG. 6, the inner side of the lower end of the main sleeve 32 is convexly formed with a boss 321 for holding.

[0041] As shown in FIG. 8 , a first sliding groove 431 is disposed on the outer circumference of the column 43 in the axial direction, and the upper end of the column 43 is mounted with a grading sleeve 5 for holding adjacent ones (ie, the first-stage grading sleeve) The tube 6 is not detached, and two screw holes 432 are disposed at the upper end of the column 43. The adjacent column grading sleeve 5 is installed on the column 43 (ie, the first stage grading sleeve) After that, in conjunction with FIG. 2, the limiting block 6 is mounted on the upper end of the column 43 by two first screws 7, for holding the adjacent grading sleeve 5 (ie, the first-stage grading sleeve), avoiding it. After sliding and falling off, it is of course also possible to mount the limiting block 6 at the upper end of the column 43 by a plurality of first screws 7 or a first screw 7.

[0042] As shown in FIG. 9, each of the grading sleeves 5 is a hollow flat tube, and the outer circumference of each of the grading sleeves 5 is axially provided with a second sliding groove 51, and the upper end of the second sliding groove 51 is formed. In the retaining recess 52, the inner side of the lower end of each of the grading sleeves 5 is convexly formed with a projection 53 for sliding and holding. Wherein, the convex portion 53 of the grading sleeve 5 (ie, the first-stage grading sleeve) installed outside the column 43 is slidably extended and contracted along the first sliding groove 43 1 of the column 43 , and the convex portion 53 is slid to the column 43 . The upper limit blocks 6 卡 are clamped to each other without falling off. The main sleeve 32 of the knob 3 is sleeved and mounted outside the graded sleeve of the Mth stage, so that the boss 321 on the main sleeve 32 slides along the second chute 51 of the M-stage classification sleeve, the boss 321 The limit recesses 52 slid to the graded sleeve of the Mth stage are held by each other without falling off.

[0043] In the present embodiment, since the number of the classification sleeves 5 is only one, the main sleeve 32 on the knob 3 is sleeved and installed outside the classification sleeve 5 (ie, the first-stage classification sleeve). The boss 321 on the sleeve 32 is slidable along the second chute 51 of the grading sleeve 5 (i.e., the grading sleeve of the first stage), and the boss 321 is slid to the grading sleeve 5 (i.e., the grading of the first stage) The limiting recesses 52 of the sleeves are held by each other without falling off.

[0044] In other embodiments, the number of the grading sleeves 5 is two turns, which are the first-stage grading sleeve and the second-stage grading sleeve, and the second-stage grading sleeve is convex. 53 slides along the second chute 51 of the first-stage grading sleeve, and the convex portion 53 of the grading sleeve of the second stage and the limiting recess 52 of the grading sleeve of the first stage are mutually engaged without falling off. So on and so forth.

[0045] wherein the boss 321 on the main sleeve 32, the first sliding groove 431 on the column 43, the second sliding groove 51 on the grading sleeve 5, the limiting recess 52 and the convex portion 53 are fitted to each other. Therefore, the respective numbers thereof are preferably the same as each other. In this embodiment, the boss 321 , the first sliding slot 431 , the second sliding slot 51 , and the limiting recess 5 [0046] In the present embodiment, the number of the grading sleeve 42 and the grading sleeve 5 is one, as shown in FIG. 10, using the 吋, the knob is rotated, and the knob 3 drives the grading sleeve 42 (ie, the first Stage grading sleeve) Rotating, grading sleeve 5 (ie, the first stage grading sleeve) is sleeved on the column 43 of the first stage sleeve 41, thus driving the first stage sleeve 41 to rotate, the first stage sleeve The first external thread 411 of the barrel 41 is rotated along the second internal thread 422 of the grading sleeve 42 (i.e., the grading sleeve of the second stage) such that the first stage sleeve 41 rotates while moving downward. When the first stage sleeve 41 is screwed down to the extreme position, the first stop portion 412 of the upper end acts, and the first stop portion 412 has no thread, so that the first stage sleeve 41 cannot follow the classification sleeve. 42 (ie, the grading sleeve of the second stage) continues to rotate, and the boss 321 on the 吋 knob 3 is engaged with the limiting recess 52 of the grading sleeve 5 (ie, the grading sleeve of the first stage) to ensure the grading sleeve Tube 5 (ie the first stage of the grading sleeve) does not slip.

[0047] As shown in FIG. 11, the knob 3 is continuously rotated, and the second external thread 421 of the grading sleeve 42 (ie, the grading sleeve of the second stage) is along the first inner portion of the main sleeve 11 of the bracket 1. The thread 111 rotates and produces a downward motion. When the grading sleeve 42 (i.e., the grading sleeve of the second stage) is screwed down to the extreme position, the second stop portion 423 of the upper end acts, and the second stop portion 423 has no thread, so that the grading sleeve 42 (ie the second-stage grading sleeve) can not continue to rotate. This completes the downspin motion of the entire mechanism, and the downspin stroke is equal to the sum of the distances of the first stage sleeve 41 and the step sleeve 42 (i.e., the stage sleeve of the second stage). The grading sleeve 42 (ie, the grading sleeve of the second stage) is rotated down to the limit position, and the 吋 limit block 6 blocks the limiting recess 52 of the grading sleeve 5 (ie, the grading sleeve of the first stage), It is ensured that the grading sleeve 5 (i.e., the grading sleeve of the first stage) does not fall off from the first stage sleeve 41.

[0048] The mechanism described above is the maximum stroke. In actual operation, as long as the hemostasis effect is achieved according to the patient's condition, the knob can be stopped and fixed at a suitable position.

[0049] In the reverse rotation, the first stage sleeve 41 and the classifying sleeve 42 (i.e., the staged sleeve of the second stage) are restored to the original position.

[0050] The graded spinning compression hemostat of the present invention adopts a stepped sleeve, which is connected by thread rotation and simultaneously achieves elongation and shortening, and the spinning sleeve is always fixed regardless of the patient's body shape. A short period of time, is conducive to the operation of medical staff. Therefore, the hierarchical spinning type hemostatic hemostatic device of the invention is simple to use and convenient for doctors to operate; the design is comfortable, the pain and inconvenience of the patient can be alleviated; and the applicability is wide, and is suitable for patients of different body types.

[0051] It should be understood that those skilled in the art may modify or change according to the above description. All such modifications and variations are intended to be included within the scope of the appended claims.

Claims

Claim

A stepwise spinning type pressure hemostasis comprising a bracket (1), a pressure plate (2) mounted on a lower side of the bracket (1) for pressing a hemostatic position, and a mounting on the upper side of the bracket (1) a rotary knob (3) for moving the pressing plate (2) by rotating, wherein a function of adding the pressing plate (2) between the knob (3) and the pressing plate (2) is installed A rotary stroke telescopically movable sleeve assembly (4).

The stepwise spinning type pressure hemostat according to claim 1, wherein the bracket (1) has a main sleeve (11), and the sleeve assembly (4) includes a connection with the pressure plate (2) a first stage sleeve (41) and at least one grading sleeve (42) disposed in sequence between the main sleeve (11) and the first stage sleeve (41), the main sleeve The cylinder (11) is sleeved, and the first stage sleeve (41) is sleeved.

The stepwise spinning type pressure hemostat according to claim 2, wherein the pressure plate (2) is connected to a lower end of the first stage sleeve (41), the pressure plate (2) and the first A bearing for reducing the friction generated by the rotation is installed between the primary sleeves (41) (8) The hierarchical spinning compression hemostat according to claim 2, characterized in that the main sleeve (11) a first internal thread (111) is formed in the circumference; a first external thread (411) is formed on the outer circumference of the first stage sleeve (41); and a second external thread is formed on the outer circumference of each of the classification sleeves (42) ( 421), a second internal thread (422) is formed on an inner circumference of each of the grading sleeves (42); the main sleeve (11), each grading sleeve (42), and a first-stage sleeve (41) ) Rotating telescopic movement is achieved by a threaded connection.

The stepwise spinning type pressure hemostat according to claim 4, wherein the first outer thread (411) of the first stage sleeve (41) is formed with a first stop portion for stopping rotation. (412); The upper end of the second external thread (421) of each of the grading sleeves (42) is formed with a second stop portion (423) for stopping rotation.

The stepwise spinning type pressure hemostat according to claim 2, wherein the knob (3) comprises a cover body (31) and a main sleeve formed by projecting downward from the inside of the cover body (31) a tube (32), the cover body (31) is sleeved and mounted on the main sleeve (11) An upper end; the first stage sleeve (41) is vertically erected with a column (43); the main sleeve (32) and the column (43) are sequentially provided with at least one grading a sleeve (5), the main sleeve (32) is sleeved outside, the column (43) is sleeved, the main sleeve (32), each of the classification sleeves (5) and the column (43) ) Slide each other and hold each other without falling off.

[Claim 7] The stepwise spinning type pressure hemostat according to claim 6, wherein the outer circumference of the column (43) is axially provided with a first sliding groove (431), and the column (43) The upper end is equipped with a limit block (6) for holding.

[Claim 8] The stepwise spinning type pressure hemostasis device according to claim 6, wherein each of the classification sleeves (5) has a second sliding groove (51) axially disposed on the outer circumference thereof. The upper end of the second sliding slot (51) is formed with a limiting recess (52) for holding, and the inner side of the lower end of each of the grading sleeves (5) is convexly formed with the same for sliding and holding. Convex (53).

[Claim 9] The stepwise spinning type pressure hemostat according to claim 6, wherein the inner side of the lower end of the main sleeve (32) is convexly formed with a boss for sliding and holding (321

[Claim 10] The step-by-step compression type hemostasis device according to claim 6, wherein the inner circumference of the cover body (31) is convexly formed with a buckle portion (311), the main sleeve An outer ring (11) is formed with an annular groove (112), and the buckle portion (311) is fastened into the annular groove (