Suture stamping and connecting mechanism based on blood vessel stitching instrument

Abstract

The suture stamping and connecting mechanism comprises a supporting plate, a pneumatic assembly is installed on the supporting plate, an upper baffle is installed at the movable end of the pneumatic assembly, an upper plate is arranged at the end, away from the pneumatic assembly, of the upper baffle, a bottom plate is fixed to one end of the supporting plate, and the bottom plate is fixed to the other end of the supporting plate. And a lower baffle plate is mounted on the bottom plate. By arranging the pneumatic assembly, the upper baffle, the upper plate, the lower baffle, the lower movable plate, the lower fixed plate and the cavity, a cavity can be formed in an empty space formed after the lower movable plate and the lower fixed plate are connected, then the starting assembly drives the upper plate through the upper baffle to push a wire pressing connector to be pressed into the cavity formed after the lower movable plate and the lower fixed plate are closed, necking forming is conducted on the wire pressing connector, the structural design is simple, and the practicability is high. Precision is high, sewing line connection strength is high and stable, the reject ratio is low, forming efficiency is high, and operation is convenient and easy when a pressing line connector is punched and formed.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field especially is related to a suture punch connection mechanism based on blood vessel suturing device. BACKGROUND

[0002] The shaping of the suture connector in the suturing device and the connection with the suture line increase the connection strength of the suture connector in the suturing device and the suture line and improve the safety when the arterial or venous wound of the vascular system is sutured.

[0003] The anchor crimping device for the blood vessel suturing device can control the crimping size, enhance the reliability of crimping, and improve the crimping efficiency.

[0004] In the prior art, the polytetrafluoroethylene suture line is inserted into the suture end of the anchor hole, and the connection is achieved through extrusion. Since the polytetrafluoroethylene connecting line is a swelling body and has a small friction coefficient, it is difficult to achieve the ideal connection strength, and therefore the qualified rate of the polytetrafluoroethylene connecting line is low. In addition, since the size of the anchor hole is small, it is difficult to perform extrusion operation. UTILITY MODEL CONTENTS

[0005] The main purpose of the utility model is to provide a suture punch connection mechanism based on a blood vessel suturing device.

[0006] The purpose of the utility model can be achieved by adopting the following technical scheme:

[0007] A suture punch connection mechanism based on a blood vessel suturing device, comprising a support plate, a pneumatic assembly is installed on the support plate, a movable end of the pneumatic assembly is provided with an upper baffle, an upper plate is arranged at an end of the upper baffle away from the pneumatic assembly, a bottom plate is fixed at one end of the support plate, a lower baffle is installed on the bottom plate, a lower movable plate is installed below the lower baffle, a lower fixed plate is arranged below the lower movable plate, the lower baffle and the lower fixed plate are both installed on the bottom plate, and cavities are formed in the adjacent surfaces of the lower movable plate and the lower fixed plate.

[0008] Preferably, the pneumatic assembly comprises a pneumatic cylinder, an air inlet, an air outlet, a piston rod, and a connecting seat.

[0009] Preferably, the air inlet is connected to the pneumatic cylinder in a threaded manner, and the air outlet is connected to the pneumatic cylinder in a threaded manner.

[0010] Preferably, one end of the piston rod is connected to the pneumatic cylinder in a sliding manner, the other end of the piston rod is fixedly connected to the connecting seat, and the upper baffle is installed on the connecting seat.

[0011] Preferably, two groups of first positioning pins are symmetrically arranged on the lower baffle, and the lower movable plate is slidably connected with the first positioning pins.

[0012] Preferably, second positioning pins are symmetrically arranged on the side of the upper baffle facing the upper plate, the second positioning pins penetrate the upper plate, and the lower movable plate and the lower fixed plate are both provided with through holes for bearing the second positioning pins.

[0013] Preferably, a mandrel is arranged in the middle of the side of the upper baffle facing the upper plate, and the mandrel penetrates the upper plate, and one end of the mandrel is located at the edge of the lower movable plate and the lower fixed plate.

[0014] Preferably, the cavities on the lower movable plate and the lower fixed plate are connected to form a mold cavity.

[0015] The beneficial technical effects are:

[0016] By arranging the pneumatic assembly, the upper baffle, the upper plate, the lower baffle, the lower movable plate, the lower fixed plate and the cavity, the mold cavity is formed after the lower movable plate and the lower fixed plate are connected, then the assembly is started to drive the upper plate to push the crimping joint into the mold cavity after the lower movable plate and the lower fixed plate are closed, so as to neck the crimping joint, which has the advantages of simple structure design, high precision, high strength of suture connection, stability, low defective rate, high forming efficiency, convenient and simple operation during crimping joint stamping forming. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of a preferred embodiment of a suture stamping connection mechanism based on a blood vessel suturing device according to the present application.

[0018] Figure 2 It is a position relationship schematic view of the upper baffle, the upper plate, the lower baffle, the lower movable plate and the lower fixed plate in a preferred embodiment of a suture stamping connection mechanism based on a blood vessel suturing device according to the present application.

[0019] Figure 3 It is an exploded structural schematic view of a preferred embodiment of a suture stamping connection mechanism based on a blood vessel suturing device according to the present application. Figure 2

[0020] Figure 4 It is a connection relationship schematic view of the upper baffle, the second positioning pin and the mandrel in a preferred embodiment of a suture stamping connection mechanism based on a blood vessel suturing device according to the present application.

[0021] The reference signs are explained as follows:

[0022] ​1. Support plate; 2. Pneumatic assembly; 201. Cylinder; 202. Air inlet; 203. Air outlet; 204. Piston rod; 205. Connecting seat; 3. Upper baffle; 4. Upper plate; 5. Lower baffle; 6. Lower moving plate; 7. Lower fixed plate; 8. First positioning pin; 9. Cavity; 10. Second positioning pin; 11. Mandrel; 12. Base plate. Detailed Implementation

[0023] To enable those skilled in the art to understand the technical solution of this utility model more clearly, the present utility model will be further described in detail below with reference to the embodiments and accompanying drawings, but the implementation of this utility model is not limited thereto.

[0024] like Figures 1-4 As shown, this embodiment provides a suture punching connection mechanism based on a vascular suture device, including a support plate 1. The support plate 1 can support a pneumatic component 2. The pneumatic component 2 is mounted on the support plate 1. An upper baffle 3 is mounted on the movable end of the pneumatic component 2. The upper baffle 3 is used to connect to an upper plate 4 and fix the mandrel 11 and the second positioning pin 10. An upper plate 4 is provided at the end of the upper baffle 3 away from the pneumatic component 2. The upper plate 4 is used to fix the mandrel 11 and press the suture connector into the cavity of the lower movable plate 6 and the lower fixed plate 7. The support plate 1... A base plate 12 is fixed at one end. The base plate 12 is used to fix the support plate 1 and the lower fixed plate 7. A lower baffle 5 is installed on the base plate 12. The lower baffle 5 is used to fix the first positioning pin 8. A lower moving plate 6 is installed below the lower baffle 5. The lower moving plate 6 is used for pressing and forming the thread connector. It can also be opened to easily remove the thread and connector. A lower fixed plate 7 is provided below the lower moving plate 6. The lower fixed plate 7 is used for pressing and forming the thread connector. Both the lower baffle 5 and the lower fixed plate 7 are installed on the base plate 12. A cavity 9 is opened on the adjacent surfaces of the lower moving plate 6 and the lower fixed plate 7.

[0025] like Figure 1 As shown, the pneumatic assembly 2 includes a cylinder 201, an air inlet 202, an air outlet 203, a piston rod 204, and a connecting seat 205, which facilitates the movement of the upper baffle 3 and the upper plate 4 via the pneumatic assembly 2.

[0026] like Figure 1 As shown, the air inlet 202 is threadedly connected to the cylinder 201, and the air outlet 203 is threadedly connected to the cylinder 201, enabling the external air pipe to be connected to the cylinder 201 through the air inlet 202 and the air outlet 203.

[0027] like Figure 1 As shown, one end of the piston rod 204 is slidably connected to the cylinder 201, and the other end of the piston rod 204 is fixedly connected to the connecting seat 205. The upper baffle 3 is installed on the connecting seat 205, so that the cylinder 201 can drive the connecting seat 205 to move through the piston rod 204, thereby driving the upper baffle 3 to move.

[0028] like Figures 3-4As shown, the lower baffle 5 is symmetrically provided with two groups of first positioning pins 8, and the lower movable plate 6 is slidably connected with the first positioning pins 8, and the first positioning pins 8 are used for controlling the position accuracy of the lower movable plate 6 during the movement and resetting.

[0029] As shown in the drawings, Figures 3-4 As shown, the upper baffle 3 is symmetrically provided with second positioning pins 10 on the side facing the upper plate 4, the second positioning pins 10 penetrate the upper plate 4, and the lower movable plate 6 and the lower fixed plate 7 are both provided with through holes for bearing the second positioning pins 10, and the second positioning pins 10 are used for controlling the position accuracy of the upper plate 4 during the stamping movement driven by the cylinder 201.

[0030] As shown in the drawings, Figures 3-4 As shown, the upper baffle 3 is symmetrically provided with second positioning pins 10 on the side facing the upper plate 4, the second positioning pins 10 penetrate the upper plate 4, and the lower movable plate 6 and the lower fixed plate 7 are both provided with through holes for bearing the second positioning pins 10, and the second positioning pins 10 are used for controlling the position accuracy of the upper plate 4 during the stamping movement driven by the cylinder 201.

[0031] As shown in the drawings, Figures 2-3 As shown, the cavities 9 on the lower movable plate 6 and the lower fixed plate 7 are connected to form a mold cavity, which facilitates the necking forming of the crimping terminal.

[0032] The working principle of the device is as follows: when the device is used, the pneumatic assembly 2 is installed on the supporting plate 1, and the lower fixed plate 7 is fixed on the bottom plate 12. When used, the external air pipe is connected with the cylinder 201 through the air inlet 202 and the air outlet 203. The cylinder 201 drives the connecting seat 205 to move through the piston rod 204, and then drives the upper baffle 3 to move. The upper baffle 3 can drive the upper plate 4 to move synchronously. During the movement, the core rod 11 is used for pressing the crimping terminal into the lower movable plate 6 and the lower fixed plate 7, and pressing the sewing head into the predetermined position in the crimping terminal. The crimping terminal is pressed into the mold cavity after the lower movable plate 6 and the lower fixed plate 7 are closed, and the crimping terminal is necked formed. The structure design is simple, the precision is high, the sewing connection strength is high, the stability is good, the defective rate is low, the forming efficiency is high, and the crimping terminal is easy and simple to operate during the stamping forming.

[0033] The above is only a further embodiment of the present application, but the protection scope of the present application is not limited thereto. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and concept of the present application within the scope disclosed by the present application, which belongs to the protection scope of the present application.

Claims

1. A suture punch connection mechanism based on a vascular stapler, characterized by: The utility model provides a kind of air cylinder, including support plate (1), the pneumatic assembly (2) is installed on the support plate (1), the movable end of the pneumatic assembly (2) is installed with upper baffle (3), the upper baffle (3) is provided with upper plate (4) away from the pneumatic assembly (2) one end, the support plate (1) one end is fixed with bottom plate (12), the bottom plate (12) is installed with lower baffle (5), the lower baffle (5) below is installed with lower dynamic plate (6), the lower dynamic plate (6) below is provided with lower fixed plate (7), and the lower baffle (5) and the lower fixed plate (7) are installed with on the bottom plate (12), the lower dynamic plate (6) and the lower fixed plate (7) adjacent surface are all provided with cavity (9).

2. A suture punch connection mechanism based on a vessel stapler according to claim 1, characterized in that: The pneumatic assembly (2) includes a cylinder (201), an air inlet (202), an air outlet (203), a piston rod (204), and a connecting seat (205).

3. A suture punch connection mechanism based on a vessel stapler according to claim 2, characterized in that: The air inlet (202) is threadedly connected with the cylinder (201), and the air outlet (203) is threadedly connected with the cylinder (201).

4. A suture punch connection mechanism based on a vessel suture device according to claim 2, characterized in that: One end of the piston rod (204) is slidably connected with the cylinder (201), and the other end of the piston rod (204) is fixedly connected with the connecting seat (205), and the upper baffle (3) is installed on the connecting seat (205).

5. A suture punch connection mechanism based on a vessel suture device according to claim 1, characterized in that: Two groups of first positioning pins (8) are symmetrically installed on the lower baffle (5), and the lower dynamic plate (6) is slidably connected with the first positioning pins (8).

6. A suture punch connection mechanism based on a vessel suture device according to claim 1, characterized in that: Second positioning pins (10) are symmetrically installed on the side of the upper baffle (3) facing the upper plate (4), the second positioning pins (10) penetrate the upper plate (4), and through holes for bearing the second positioning pins (10) are formed in the lower dynamic plate (6) and the lower fixed plate (7).

7. A suture punch connection mechanism based on a vessel suture device according to claim 1, characterized in that: A mandrel (11) is installed on the middle of the side of the upper baffle (3) facing the upper plate (4), and the mandrel (11) penetrates the upper plate (4), one end of the mandrel (11) is located at the edge of the lower dynamic plate (6) and the lower fixed plate (7).

8. A suture punch connection mechanism based on a vessel suture device according to claim 1, characterized in that: The cavities (9) on the lower dynamic plate (6) and the lower fixed plate (7) are connected to form a mold cavity.

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