CN220158484U - Anti-reflux clamp for heart valve minimally invasive - Google Patents

Abstract

The utility model discloses a backflow prevention clamp for a heart valve minimally invasive, which relates to the technical field of medical instruments and comprises a base block and supporting rods, wherein the two supporting rods are arranged on two sides of the base block, the lower ends of the two supporting rods are provided with first grooves, the two ends of the base block extend to the inner sides of the corresponding first grooves, first rotating rods are rotatably sleeved in the two ends of the base block, and the two ends of the first rotating rods are rotatably connected with the inner walls of the corresponding first grooves; the upper surface fixed of basic block is provided with the internal thread pipe, the upper end thread bush of internal thread pipe is equipped with the threaded rod, the pole wall rotation cover of threaded rod is equipped with the swivel ring, the both sides of swivel ring all are provided with splint, two the second recess has all been seted up to splint one side that is close to the swivel ring, the inside cover that all rotates in both ends of swivel ring is equipped with the second bull stick. The valve clamping device has good anti-drop performance and can ensure stable clamping of the valve.

Description

Anti-reflux clamp for heart valve minimally invasive

Technical Field

The utility model relates to the technical field of medical appliances, in particular to an anti-reflux clip for minimally invasive heart valve.

Background

Mitral regurgitation is due to congenital anomalies or acquired lesions, and cannot be completely closed when the left ventricle contracts, so that a blood part flowing into the left ventricle from the left atrium flows back to the left atrium, a series of heart case changes and clinical symptoms are caused, heart failure can be caused when serious, and at present, the heart valve is usually treated in a minimally invasive anti-reflux clip mode.

Traditional heart valve minimally invasive anti-reflux clip generally does not have an anti-loosening structure, and in the long-term use process, the anti-reflux clip is easy to loose and even slip, so that a great potential safety hazard exists.

Disclosure of Invention

The present utility model has been made in view of the above-mentioned problems with existing anti-reflux clips for minimally invasive use with heart valves.

Therefore, the utility model aims to provide the anti-reflux clip for the minimally invasive heart valve, which solves the problems that the anti-reflux clip for the minimally invasive heart valve in the prior art is not generally provided with an anti-loosening structure, is easy to loose and even slip in the long-term use process, and has great potential safety hazard.

In order to achieve the above object, the present utility model provides the following technical solutions:

the anti-reflux clamp for the heart valve minimally invasive comprises a base block and supporting rods, wherein the two supporting rods are arranged on two sides of the base block, first grooves are formed in the lower ends of the two supporting rods, the two ends of the base block extend to the inner sides of the corresponding first grooves, first rotating rods are rotatably sleeved in the two ends of the base block, and the two ends of the first rotating rods are rotatably connected with the inner walls of the corresponding first grooves;

the upper surface of the base block is fixedly provided with an internal thread pipe, the upper end thread sleeve of the internal thread pipe is provided with a threaded rod, the rod wall of the threaded rod is rotationally sleeved with a rotating ring, two sides of the rotating ring are respectively provided with a clamping plate, one side, close to the rotating ring, of each clamping plate is respectively provided with a second groove, the interiors of two ends of the rotating ring are respectively rotationally sleeved with a second rotating rod, and two ends of each second rotating rod are respectively rotationally connected with the inner wall of the corresponding second groove;

the lower surface of splint has seted up the third recess, the one end of bracing piece extends to the inboard of third recess, the bar mouth has been seted up to the lateral wall of third recess, the inside third bull stick that has cup jointed of one end of bracing piece, the one end of third bull stick extends to the inboard of bar mouth, the upper surface of base block is provided with the fixed stop gear of threaded rod.

Preferably, the stop gear includes inserted bar and slide, the upper surface of base block just is located the both sides of internal thread pipe and all is fixed and be provided with the fixed shell, the slide slides and sets up in the inside of fixed shell, the fixed one side that is close to the internal thread pipe in slide that sets up in the inserted bar, the one end of inserted bar extends to the inside of internal thread pipe, the jack has all been seted up to the both sides of threaded rod, two the threaded rod all matches with the jack that corresponds, the slide is kept away from the fixed spring that is provided with in one side of inserted bar, the other end and the inner wall fixed connection of fixed shell of spring.

Preferably, the middle part of the base block is provided with a through groove, the inner side of the through groove is rotatably sleeved with a square rod, the lower end of the threaded rod is provided with a square hole, and the upper end of the square rod is spliced with the square hole.

Preferably, a cross rod is fixedly arranged in the fixed shell, and one end of the sliding plate is movably sleeved with the cross rod.

Preferably, the upper surface of the fixed shell is provided with an opening, and the upper end of the sliding plate extends to the outer side of the fixed shell.

Preferably, one end of the square rod far away from the threaded rod is provided with an inner hexagonal groove.

Preferably, the upper surface of one end of the inner side of the inserted link at both sides is provided with an inclined plane.

In the technical scheme, the utility model has the technical effects and advantages that:

1. according to the valve clamping device, the square rod is rotated to drive the threaded rod to rotate, namely the threaded rod moves relative to the fixedly arranged internal threaded pipe, namely the rotating ring is driven to move downwards, namely the upper ends of the two clamping plates are close to each other, namely the valve can be clamped.

2. According to the utility model, the inclined plane of the inserted rod is extruded during the downward movement of the threaded rod, the inserted rod is pushed outwards of the internal threaded pipe, and when the lower end of the threaded rod moves to the lower end of the inner part of the internal threaded pipe, the inserted rods at two sides are pushed by the elastic force of the spring to be inserted into the insertion holes on the side wall of the threaded rod, so that the threaded rod can be limited, the threaded rod can not rotate, namely, the clamping plate can be effectively prevented from loosening, and the device is prevented from loosening.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic view of a minimally invasive anti-reflux clip for a heart valve according to the present utility model;

FIG. 2 is an enlarged schematic view of the portion A of FIG. 1;

fig. 3 is a perspective view of the square bar of fig. 1.

Reference numerals illustrate:

1. a base block; 2. a first rotating lever; 3. a support rod; 4. an internally threaded tube; 5. a threaded rod; 6. a rotating ring; 7. a second rotating rod; 8. a clamping plate; 9. a second rotating rod; 10. square rods; 11. a fixed case; 12. a slide plate; 13. a cross bar; 14. a spring; 15. an inner hexagonal groove; 16. and a plunger.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The embodiment of the utility model discloses a backflow prevention clamp for minimally invasive heart valve.

Example 1

Referring to fig. 1-3, a minimally invasive anti-reflux clip for a heart valve comprises a base block 1 and supporting rods 3, wherein the two supporting rods 3 are arranged on two sides of the base block 1, first grooves are formed in the lower ends of the two supporting rods 3, two ends of the base block 1 extend to the inner sides of the corresponding first grooves, first rotating rods 2 are rotatably sleeved in the two ends of the base block 1, and two ends of the first rotating rods 2 are rotatably connected with the inner walls of the corresponding first grooves;

the upper surface of the base block 1 is fixedly provided with an internal thread pipe 4, the upper end thread sleeve of the internal thread pipe 4 is provided with a threaded rod 5, the rod wall of the threaded rod 5 is rotationally sleeved with a rotary ring 6, two sides of the rotary ring 6 are respectively provided with a clamping plate 8, one side of each clamping plate 8, which is close to the rotary ring 6, is respectively provided with a second groove, the insides of two ends of the rotary ring 6 are respectively rotationally sleeved with a second rotating rod 97, and two ends of each second rotating rod 97 are respectively rotationally connected with the inner wall of the corresponding second groove;

the third recess has been seted up to splint 8's lower surface, and the inboard of third recess is extended to the one end of bracing piece 3, and the bar mouth has been seted up to the lateral wall of third recess, and the inside fixed third bull stick that has cup jointed of one end of bracing piece 3, and the one end of third bull stick extends to the inboard of bar mouth.

Example two

Referring to fig. 1-3, the upper surface of the base block 1 is provided with a limit mechanism for fixing the threaded rod 5, the limit mechanism comprises an inserting rod 16 and a sliding plate 12, the upper surface of the base block 1 is fixedly provided with a fixing shell 11 on two sides of an internal threaded pipe 4, the sliding plate 12 is slidably arranged in the fixing shell 11, the inserting rod 16 is fixedly arranged on one side of the sliding plate 12 close to the internal threaded pipe 4, one end of the inserting rod 16 extends to the inside of the internal threaded pipe 4, inclined planes are formed on the upper surfaces of one end of the inner sides of the inserting rods 16 on two sides, so that the inserting rod 16 can be extruded towards the outer side of the internal threaded pipe 4 when the threaded rod 5 moves downwards, inserting holes are formed on two sides of the threaded rod 5, the two threaded rods 5 are matched with the corresponding inserting holes, one side of the sliding plate 12, which is far away from the inserting rod 16, is fixedly provided with a spring 14, the other end of the spring 14 is fixedly connected with the inner wall of the fixing shell 11, a cross rod 13 is fixedly arranged in the fixing shell 11, one end of the sliding plate 12 is movably sleeved with the cross rod 13, the sliding plate 12 can stably slide, the upper surface of the fixing shell 11 is opened, the upper end of the sliding plate 12 extends to the outer side of the fixing shell 11, and the upper end of the sliding plate 12 is conveniently pulled by the sliding plate 12.

Example III

Referring to fig. 1-3, a through groove is formed in the middle of the base block 1, a square rod 10 is sleeved on the inner side of the through groove in a rotating mode, a square hole is formed in the lower end of the threaded rod 5, the upper end of the square rod 10 is inserted into the square hole, the threaded rod 5 is conveniently driven to rotate, an inner hexagonal groove 15 is formed in one end, far away from the threaded rod 5, of the square rod 10, and the square rod 10 is conveniently rotated.

In the utility model, when the valve is used, the square rod 10 is rotated, the square rod 10 drives the threaded rod 5 to rotate, namely the threaded rod 5 moves relative to the fixedly arranged internal thread pipe 4, namely the rotating ring 6 is driven to move downwards, namely the upper ends of the two clamping plates 8 are close, namely the valve can be clamped, the inclined plane of the inserting rod 16 can be extruded during the downward movement of the threaded rod 5, the inserting rod 16 is pushed outwards by the internal thread pipe 4, and when the lower end of the threaded rod 5 moves to the lower end of the internal part of the internal thread pipe 4, the inserting rods 16 at two sides are pushed into the insertion holes on the side wall of the threaded rod 5 by the elastic force of the spring 14, namely the threaded rod 5 can be limited, so that the threaded rod 5 cannot rotate, namely the clamping plates 8 can be effectively prevented from loosening, and the device is prevented from loosening.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (7)

1. The utility model provides a heart valve is anti-reflux clamp for wicresoft, includes basic block (1) and bracing piece (3), its characterized in that, two bracing piece (3) set up in the both sides of basic block (1), first recess has all been seted up to the lower extreme of two bracing piece (3), the both ends of basic block (1) all extend to the inboard of corresponding first recess, the inside cover that all rotates in both ends of basic block (1) is equipped with first dwang (2), the both ends of first dwang (2) all rotate with the inner wall of corresponding first recess and be connected;

the upper surface of the base block (1) is fixedly provided with an inner threaded pipe (4), the upper end of the inner threaded pipe (4) is sleeved with a threaded rod (5), the rod wall of the threaded rod (5) is rotatably sleeved with a rotary ring (6), clamping plates (8) are arranged on two sides of the rotary ring (6), a second groove is formed in one side, close to the rotary ring (6), of each clamping plate (8), a second rotating rod (9) (7) is rotatably sleeved in two ends of the rotary ring (6), and two ends of each second rotating rod (9) (7) are rotatably connected with the inner wall of the corresponding second groove;

the lower surface of splint (8) has seted up the third recess, the one end of bracing piece (3) extends to the inboard of third recess, the bar mouth has been seted up to the lateral wall of third recess, the inside third bull stick that has cup jointed of one end of bracing piece (3), the one end of third bull stick extends to the inboard of bar mouth, the upper surface of basic block (1) is provided with the fixed stop gear of threaded rod (5).

2. The heart valve minimally invasive anti-reflux clip according to claim 1, wherein the limiting mechanism comprises an inserting rod (16) and a sliding plate (12), the upper surface of the base block (1) is fixedly provided with a fixing shell (11) on two sides of the inner threaded tube (4), the sliding plate (12) is slidably arranged in the fixing shell (11), the inserting rod (16) is fixedly arranged on one side, close to the inner threaded tube (4), of the sliding plate (12), one end of the inserting rod (16) extends to the inner portion of the inner threaded tube (4), insertion holes are formed in two sides of the threaded rod (5), the two threaded rods (5) are matched with the corresponding insertion holes, a spring (14) is fixedly arranged on one side, far away from the inserting rod (16), of the sliding plate (12), and the other end of the spring (14) is fixedly connected with the inner wall of the fixing shell (11).

3. The heart valve minimally invasive anti-reflux clip according to claim 1, wherein a through groove is formed in the middle of the base block (1), a square rod (10) is rotatably sleeved on the inner side of the through groove, a square hole is formed in the lower end of the threaded rod (5), and the upper end of the square rod (10) is spliced with the square hole.

4. The minimally invasive heart valve clip according to claim 2, wherein a cross rod (13) is fixedly arranged in the fixed shell (11), and one end of the sliding plate (12) is movably sleeved with the cross rod (13).

5. The minimally invasive heart valve clip according to claim 2, characterized in that the upper surface of the stationary housing (11) is provided with an opening, and the upper end of the sliding plate (12) extends to the outside of the stationary housing (11).

6. A minimally invasive heart valve clip according to claim 3, characterized in that the end of the square bar (10) remote from the threaded bar (5) is provided with an internal hexagonal groove (15).

7. The minimally invasive heart valve clip of claim 2, wherein the upper surface of the inner end of the plunger (16) on both sides is beveled.