Equipment for coronary interventional therapy

Abstract

The invention relates to the technical field of medical apparatus and instruments, and discloses coronary artery interventional therapy equipment which comprises a shaping device, a through hole for a guide wire to pass through is formed in the shaping device, a cavity is formed in the shaping device, and the through hole is communicated with the cavity; a two-way screw is rotationally connected to the shaping device, the two ends of the two-way screw are in threaded connection with a first arc-shaped block and a second arc-shaped block respectively, vertical grooves are formed in the two ends of the first arc-shaped block, vertical blocks are arranged at the two ends of the second arc-shaped block, the distance between the two vertical blocks is smaller than the distance between the two ends of the first arc-shaped block, and the vertical blocks are in sliding connection with the vertical grooves. According to the scheme, the problem that an existing shaping device is poor in guide wire positioning effect is mainly solved.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to a device for coronary interventional treatment. Background Art

[0002] In order to maintain normal life activities, the various tissues and organs of the human body need the heart to beat continuously to ensure blood circulation. As a muscular organ that pumps blood, the heart itself also needs sufficient nutrition and energy. The vascular system that supplies nutrition to the heart is the coronary arteries and veins, also known as the coronary circulation. Coronary guidewires play a very important role in the treatment process. Most traditional coronary intervention guidewire tip shapers cannot be easily positioned according to the diameter of the coronary guidewire. Therefore, in response to the needs of coronary guidewires of different sizes, two or more types of shapers need to be prepared, which increases the investment cost and makes it difficult to meet usage needs.

[0003] To solve the above problems, a Chinese patent with publication number CN216571139U discloses a coronary intervention guidewire tip shaper, including a shaper body, a cavity is opened inside the shaper body, and a brake motor, a driving gear, a driven gear, a screw rod, a limit block, a lifting plate, a spring tube, a spring, a limit rod and a positioning plate are arranged. When using the device, the coronary intervention guidewire is first inserted into the insertion hole, and then the brake motor starts to work, and through the transmission of the driving gear and the driven gear, the screw rod is driven to rotate, and then the limit block is driven to drive the lifting plate to move upward. At this time, the spring tube drives the positioning plate to rise, completing the positioning of the coronary intervention guidewire. This design can realize the positioning and shaping of coronary intervention guidewires of various specifications and models.

[0004] The following problems exist during the actual use of the above patent: the guide wire is compressed and positioned by the positioning plate, but the contact between the positioning plate and the guide wire is line contact, so that the friction between the two is relatively small. Under the action of external forces, the guide wire will be displaced or rotated, resulting in poor positioning of the guide wire, thereby affecting the treatment effect. Summary of the invention

[0005] The present invention is intended to provide a device for coronary interventional treatment to solve the problem that the existing shaper has a poor guidewire positioning effect.

[0006] To achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a device for coronary interventional treatment, including a shaper, a through hole for the guide wire to pass through is provided on the shaper, a chamber is provided inside the shaper, and the through hole is communicated with the chamber; a bidirectional screw is rotatably connected to the shaper, and the two ends of the bidirectional screw are respectively threadedly connected with a first arc block and a second arc block, both ends of the first arc block are provided with vertical grooves, and both ends of the second arc block are provided with vertical blocks, the spacing between the two vertical blocks is smaller than the spacing between the two ends of the first arc block, and the vertical blocks are slidably connected to the vertical grooves.

[0007] The principles and advantages of this solution are:

[0008] 1. This solution can clamp and position the guide wire by bringing the first arc block and the second arc block closer together. Compared with the prior art, the contact area with the guide wire is increased by the first arc block and the second arc block contacting the guide wire, thereby increasing the friction force and enhancing the positioning effect of the guide wire, thereby avoiding displacement or rotation of the guide wire, thereby ensuring the treatment effect.

[0009] 2. In this solution, the vertical block slides in the vertical groove to guide the movement of the first arc block and the second arc block, so that the two will not deviate when they are close to each other, thereby ensuring the accuracy of the guide wire positioning.

[0010] Furthermore, a movable block is provided at the bottom of the second arc block, and top grooves are provided on both sides of the top of the movable block, an inclined groove is provided in the top groove, a slider is slidably connected in the inclined groove, and a top block is provided on the slider, and the top block can move horizontally and vertically in the top groove; side grooves are provided at both ends of the second arc block, the spacing between the two side grooves is smaller than the spacing between the two vertical blocks, an elastic block is provided in the side groove, and the elastic block is located on the movement trajectory of the top block; and it also includes an adjustment mechanism for adjusting the spacing between the two top blocks as the two vertical blocks move.

[0011] Through the above arrangement, when the second arc block moves upward, the two vertical blocks also move upward, and the distance between the two top blocks is reduced through the adjustment mechanism, that is, the two top blocks are brought closer.

[0012] The top block moves along the path of the inclined groove through the slider, so that the top block moves upward, and the top block extends into the side groove to act on the elastic block, so that the elastic block bulges in the direction of the guide wire; the second arc block continues to move upward, so that the elastic block and the guide wire are against each other, that is, the two elastic blocks are used to clamp the guide wire from the horizontal direction, further enhancing the positioning effect of the guide wire.

[0013] The guide wire can be positioned in a vertical direction by clamping the guide wire with the first arc block and the second arc block, while the two elastic blocks can position the guide wire in a horizontal direction, thereby effectively preventing displacement or rotation of the guide wire.

[0014] Since the elastic block is elastic and can undergo a certain deformation, it can be suitable for guide wires of different sizes.

[0015] Furthermore, the adjustment mechanism includes wall grooves opened on both sides of the side walls of the movable block, wall blocks are slidably connected in the wall grooves, a first spring is provided between the wall block and the wall groove, and the movement directions of the two wall blocks are opposite; the wall groove is connected to the top groove, a guide groove is vertically provided on the top of the wall block, and the top block is slidably connected to the guide groove; and it also includes an adjustment part that intermittently squeezes the distance between the two wall blocks as the two vertical blocks move.

[0016] Through the above arrangement, during the upward movement of the two vertical blocks, the two wall blocks can be brought closer through the adjustment part, and the wall blocks drive the top blocks to move synchronously, so that the two top blocks are close to each other; during the movement of the top blocks, the top blocks are moved along the path of the inclined groove through the slider, that is, the top blocks will also move upward.

[0017] Furthermore, the adjustment part includes a rotating shaft rotatably connected to both sides of the chamber, a cam coaxially connected to the rotating shaft and abutting against the wall block, and the cam can rotate in the wall groove; and also includes an adjustment unit that drives the two rotating shafts to rotate when the two vertical blocks move.

[0018] With the above arrangement, when the two vertical blocks move upward, the two shafts are driven to rotate by the adjusting unit, and the shafts drive the cams to rotate, so that the protrusions of the cams squeeze the wall blocks to move in the wall grooves, that is, the two wall blocks are close to each other.

[0019] Furthermore, the adjustment unit includes a circular shaft rotatably connected to both sides of the chamber, a rack fixed to the vertical block, and a worm coaxially connected to the rotating shaft. A gear and a worm wheel are coaxially connected to the circular shaft, the gear is meshed with the rack, and the worm wheel is meshed with the worm.

[0020] Through the above arrangement, when the two vertical blocks move upward, the vertical blocks drive the rack to move upward, the rack meshes with the gear to drive the circular shaft to rotate, the circular shaft drives the worm wheel to rotate, the worm wheel meshes with the worm to drive the worm to rotate, and the worm drives the rotating shaft to rotate.

[0021] Furthermore, a stop groove is provided on the wall groove; side grooves are provided on both sides of the side wall of the shaper, the side grooves are communicated with the chamber, a stop rod is slidably connected in the side groove, a second spring is provided between the stop rod and the chamber, the stop rod is abutted against the movable block, and the stop rod and the stop groove are slidably matched.

[0022] Through the above arrangement, during the upward movement of the second arc block, the movable block moves upward, and at the same time, during the approach of the two wall blocks, the wall block moves along the path of the wall groove, so that the wall block and the stop groove are staggered, that is, the stop groove is connected with the wall groove, the chamber, and the side groove, so that the stop rod slides into the stop groove under the action of the second spring, thereby achieving the stopping of the movable block, and then achieving the stopping of the second arc block, that is, achieving the stopping of the bidirectional screw, further enhancing the positioning effect of the first arc block and the second arc block, and also enhancing the positioning effect of the guide wire.

[0023] Furthermore, the distance between the stop groove and the side of the wall groove away from the second arc-shaped block is equal to the thickness of the cam.

[0024] Through the above arrangement, since the distance between the stop groove and the side of the wall groove away from the second arc block is equal to the thickness of the cam, that is, the distance between the stop groove and the lower side wall of the wall groove is equal to the thickness of the cam, after the stop rod slides into the stop groove, the distance between the stop rod and the lower side wall of the wall groove is equal to the thickness of the cam, that is, the stop rod and the lower side wall of the wall groove are used to clamp the cam to prevent the cam from rotating, and then the second arc block is stopped by the circular shaft, worm gear, rotating shaft, gear, rack, and vertical block, that is, the stopping of the bidirectional screw is realized, thereby further enhancing the positioning effect of the first arc block and the second arc block, and also enhancing the positioning effect of the guide wire.

[0025] Furthermore, a handle is provided on the bidirectional screw.

[0026] Through the above arrangement, the bidirectional screw is driven to rotate by the handle, which is more convenient for the staff to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the structure of an embodiment of a device for coronary interventional treatment according to the present invention;

[0028] Figure 2 for Figure 1 The main view;

[0029] Figure 3 for Figure 2 Partial cross-sectional view from the main viewing direction. DETAILED DESCRIPTION

[0030] The following is further described in detail through specific implementation methods:

[0031] The figure marks in the drawings of the specification include: shaper 10, through hole 11, chamber 12, bidirectional screw 20, first arc block 21, second arc block 22, auxiliary groove 23, auxiliary block 24, vertical groove 25, vertical block 26, handle 27, movable block 30, top groove 31, inclined groove 32, top block 33, side groove 34, elastic block 35, wall groove 40, wall block 41, first spring 42, guide groove 43, rotating shaft 44, cam 45, circular shaft 50, rack 51, worm 52, gear 53, worm wheel 54, stop groove 60, stop rod 61, guide wire 70.

[0032] Example

[0033] Basically as attached Figure 1 , Attachment Figure 2 , Attachment Figure 3As shown: a device for coronary interventional treatment, including a shaper 10, on which a through hole 11 for a guide wire 70 to pass is opened. A chamber 12 is opened in the shaper 10, and the through hole 11 is communicated with the chamber 12; a bidirectional screw 20 is rotatably connected to the shaper 10, the bidirectional screw 20 is perpendicular to the shaper 10, and a handle 27 is fixed to the bidirectional screw 20. The two ends of the bidirectional screw 20 are respectively threadedly connected with a first arc block 21 and a second arc block 22, the first arc block 21 and the second arc block 22 are respectively connected to the upper and lower sides of the through hole 11, and the first arc block 21 is located above the second arc block 22; auxiliary grooves 23 are vertically opened on the upper and lower sides of the chamber 12, and auxiliary blocks 24 are slidably connected in the auxiliary grooves 23, one auxiliary block 24 is fixed to the first arc block 21, and the other auxiliary block 24 is fixed to the second arc block 22. Both ends of the first arc block 21 are provided with vertical grooves 25 , and both ends of the second arc block 22 are fixed with vertical blocks 26 . The distance between the two vertical blocks 26 is smaller than the distance between the two ends of the first arc block 21 , and the vertical blocks 26 are slidably connected to the vertical grooves 25 .

[0034] A movable block 30 is fixedly connected to the bottom of the second arc block 22, and top grooves 31 are opened on both sides of the top of the movable block 30, and inclined grooves 32 are opened in the top groove 31, and the spacing between the two inclined grooves 32 gradually increases from top to bottom. A slider is slidably connected in the inclined groove 32, and a top block 33 is fixed on the slider, and the top block 33 can move laterally and vertically in the top groove 31; side grooves 34 are opened at both ends of the second arc block 22, and the spacing between the two side grooves 34 is smaller than the spacing between the two vertical blocks 26, and an elastic block 35 is fixed in the side groove 34, and the elastic block 35 is a rubber block, and the elastic block 35 is located on the movement trajectory of the top block 33.

[0035] The movable block 30 further comprises an adjusting mechanism for adjusting the spacing between the two top blocks 33 as the two vertical blocks 26 move. The adjusting mechanism comprises a wall groove 40 provided on both sides of the side wall of the movable block 30. A wall block 41 is slidably connected in the wall groove 40. A first spring 42 is fixedly connected between the wall block 41 and the wall groove 40. The movement directions of the two wall blocks 41 are opposite. The wall groove 40 is communicated with the top groove 31. A guide groove 43 is vertically provided on the top of the wall block 41. The top block 33 is slidably connected to the guide groove 43. The movable block 30 further comprises an adjusting portion for intermittently squeezing the spacing between the two wall blocks 41 as the two vertical blocks 26 move. The adjusting portion comprises a spring 42 which is rotatably connected to both sides of the chamber 12. The rotating shaft 44 has two opposite rotation directions. The rotating shaft 44 is coaxially connected with a cam 45 that abuts against the wall block 41, and the cam 45 can rotate in the wall groove 40; it also includes an adjustment unit that drives the two rotating shafts 44 to rotate by the movement of the two vertical blocks 26. The adjustment unit includes a circular shaft 50 rotatably connected to both sides of the chamber 12, a rack 51 fixed to the vertical block 26, and a worm 52 coaxially connected to the rotating shaft 44. A gear 53 and a worm wheel 54 are coaxially connected to the circular shaft 50. The gear 53 is meshed with the rack 51, the worm wheel 54 is meshed with the worm 52, and the worm 52 is rotatably connected to the chamber 12.

[0036] The wall groove 40 is provided with a stop groove 60; the side walls of the shaper 10 are provided with side grooves on both sides, the side grooves are communicated with the chamber 12, a stop rod 61 is slidably connected in the side grooves, a second spring is fixedly connected between the stop rod 61 and the chamber 12, the stop rod 61 abuts against the movable block 30, the stop rod 61 and the stop groove 60 are slidably matched, and the second spring is in a compressed state in the initial state. The spacing between the stop groove 60 and the side of the wall groove 40 away from the second arc block 22 is equal to the thickness of the cam 45.

[0037] The specific implementation process is as follows:

[0038] When in use, the guide wire 70 is passed through the through hole 11 so that the guide wire 70 is located between the first arc-shaped block 21 and the second arc-shaped block 22 .

[0039] The bidirectional screw 20 is driven to rotate by the handle 27, so that the first arc block 21 and the second arc block 22 move vertically, that is, the first arc block 21 and the second arc block 22 are close to each other. When the first arc block 21 and the second arc block 22 are both against the guide wire 70, the bidirectional screw 20 stops rotating, thereby achieving the stopping of the first arc block 21 and the second arc block 22, that is, the first arc block 21 and the second arc block 22 are used to clamp the guide wire 70 in the vertical direction; the contact between the first arc block 21 and the second arc block 22 and the guide wire 70 increases the contact area with the guide wire 70, that is, the friction force is increased, thereby enhancing the positioning effect of the guide wire 70.

[0040] During the upward movement of the second arc block 22, the second arc block 22 drives the vertical block 26 to move upward, the vertical block 26 drives the rack 51 to move upward, the rack 51 meshes with the gear 53 to drive the round shaft 50 to rotate, the round shaft 50 drives the worm wheel 54 to rotate, the worm wheel 54 meshes with the worm 52 to drive the worm 52 to rotate, the worm 52 drives the rotating shaft 44 to rotate, the rotating shaft 44 drives the cam 45 to rotate, so that the protrusion of the cam 45 squeezes the wall block 41 to move in the wall groove 40, that is, the two wall blocks 41 are close, and the first spring 42 is compressed; during the movement of the wall block 41, the wall block 41 drives the top block 33 to move synchronously, so that the top block 33 moves along the inclined groove 32 through the slider The second arc block 22 continues to move upward, and when the second arc block 22 stops, the elastic block 35 abuts against the guide wire 70, that is, the two elastic blocks 35 are used to clamp the guide wire 70 from the horizontal direction, thereby further enhancing the positioning effect of the guide wire 70; and, by positioning the guide wire 70 in the vertical and horizontal directions, displacement or rotation of the guide wire 70 can be avoided; in addition, since the elastic block 35 is elastic and can undergo a certain deformation, it can be suitable for guide wires 70 of different sizes.

[0041] During the upward movement of the second arc block 22, the movable block 30 moves upward. At the same time, when the two wall blocks 41 approach each other, the wall block 41 moves along the path of the wall groove 40. When the second arc block 22 stops, the wall block 41 is staggered with the stop groove 60, that is, the stop groove 60 is connected with the wall groove 40, the chamber 12, and the side groove, so that the stop rod 61 slides into the stop groove 60 under the action of the second spring, thereby stopping the movable block 30, and then stopping the second arc block 22, that is, stopping the bidirectional screw 20, further strengthening the positioning effect of the first arc block 21 and the second arc block 22, and also strengthening the positioning effect of the guide wire 70.

[0042] Since the distance between the stop groove 60 and the side of the wall groove 40 away from the second arc block 22 is equal to the thickness of the cam 45, that is, the distance between the stop groove 60 and the lower side wall of the wall groove 40 is equal to the thickness of the cam 45, therefore, after the stop rod 61 slides into the stop groove 60, the distance between the stop rod 61 and the lower side wall of the wall groove 40 is equal to the thickness of the cam 45, that is, the stop rod 61 and the lower side wall of the wall groove 40 are used to clamp the cam 45 to prevent the cam 45 from rotating, and then the second arc block 22 is stopped by the circular shaft 50, the worm 52, the rotating shaft 44, the gear 53, the rack 51, and the vertical block 26, that is, the stopping of the bidirectional screw 20 is achieved, and the positioning effect of the first arc block 21 and the second arc block 22 is further enhanced, and the positioning effect of the guide wire 70 is also enhanced.

[0043] The above is only an embodiment of the present invention, and the common knowledge such as the known specific technical solutions and / or characteristics in the solution is not described in detail here. It should be pointed out that for those skilled in the art, without departing from the technical solution of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A device for coronary interventional treatment, comprising a shaper, the shaper being provided with a through hole for a guide wire to pass through, characterized in that: A chamber is provided in the shaper, and the through hole is connected to the chamber; a bidirectional screw is rotatably connected to the shaper, and the two ends of the bidirectional screw are respectively threadedly connected with the first arc block and the second arc block, both ends of the first arc block are provided with vertical grooves, and both ends of the second arc block are provided with vertical blocks, the spacing between the two vertical blocks is smaller than the spacing between the two ends of the first arc block, and the vertical blocks are slidably connected to the vertical grooves.

2. The device for coronary interventional treatment according to claim 1, characterized in that: A movable block is provided at the bottom of the second arc-shaped block, and top grooves are provided on both sides of the top of the movable block, and an inclined groove is provided in the top groove. A slider is slidably connected in the inclined groove, and a top block is provided on the slider. The top block can move horizontally and vertically in the top groove; side grooves are provided at both ends of the second arc-shaped block, and the spacing between the two side grooves is smaller than the spacing between the two vertical blocks. An elastic block is provided in the side groove, and the elastic block is located on the movement trajectory of the top block; and it also includes an adjustment mechanism for adjusting the spacing between the two top blocks as the two vertical blocks move.

3. The device for coronary interventional treatment according to claim 2, characterized in that: The adjusting mechanism includes wall grooves provided on both sides of the side walls of the movable block, wall blocks are slidably connected in the wall grooves, a first spring is provided between the wall block and the wall grooves, and the movement directions of the two wall blocks are opposite; the wall grooves are connected to the top grooves, a guide groove is vertically provided on the top of the wall block, and the top block is slidably connected to the guide grooves; and also includes an adjusting part that intermittently squeezes the distance between the two wall blocks as the two vertical blocks move.

4. The device for coronary interventional treatment according to claim 3, characterized in that: The adjusting part comprises a rotating shaft rotatably connected to both sides of the chamber, a cam coaxially connected to the rotating shaft and abutting against the wall block, and the cam can rotate in the wall groove; and also comprises an adjusting unit which drives the two rotating shafts to rotate when the two vertical blocks move.

5. The device for coronary interventional treatment according to claim 4, characterized in that: The adjusting unit comprises a circular shaft rotatably connected to both sides of the chamber, a rack fixed to the vertical block, and a worm coaxially connected to the rotating shaft. A gear and a worm wheel are coaxially connected to the circular shaft. The gear meshes with the rack, and the worm wheel meshes with the worm.

6. The device for coronary interventional treatment according to claim 5, characterized in that: A stop groove is provided on the wall groove; side grooves are provided on both sides of the side wall of the shaper, the side grooves are communicated with the chamber, a stop rod is slidably connected in the side groove, a second spring is provided between the stop rod and the chamber, the stop rod is abutted against the movable block, and the stop rod and the stop groove are slidably matched.

7. The device for coronary interventional treatment according to claim 6, characterized in that: The distance between the stop groove and the side of the wall groove away from the second arc-shaped block is equal to the thickness of the cam.

8. The device for coronary interventional treatment according to claim 7, characterized in that: The bidirectional screw rod is provided with a handle.

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