Vascular suture knot pushing and cutting-off integrated device

Abstract

The utility model discloses a blood vessel suture knot pushing and cutting-off integrated device which comprises a shell, a knife tube is arranged in the shell, the knife tube is movably connected with the shell and comprises a knife tube cap and a knife tube rod, the knife tube cap is fixedly connected with the knife tube rod, a suture cutting wrench is arranged on the shell, and the knife tube cap is fixedly connected with the knife tube rod. The trimming wrench is hinged to the shell through a positioning column, and the trimming wrench abuts against the knife tube cap. The limiting structure is arranged by cutting the suture line through the trimming wrench, two states of limiting and limiting releasing are provided for cutting of the suture line, and when cutting of the suture line is not needed, the limiting structure limits transmission of the trimming wrench to the cutting structure, so that the cutting structure controls the cutter tube cap to slide in the shell, cutting of the suture line is avoided, and the cutting efficiency is improved. According to the suture cutting device, the situation that the suture is cut due to accidental touch is avoided, and meanwhile, when the suture is cut, limiting of movement of the knife tube cap can be relieved by rotating the position of the limiting mechanism on the shell.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of medical apparatus and instruments, and particularly relates to a blood vessel suture pushing and knotting cutting integrated device. BACKGROUND

[0002] Interventional surgery is the main treatment method for treating vascular stenosis and dilatation in recent years. It has the advantages of small trauma, high efficiency, precise and safe treatment. Transfemoral artery puncture is the most common path in interventional surgery. At present, a blood vessel suturing system is generally used for hemostasis in clinical practice. After the puncture port is sutured, a matched pushing and knotting and cutting device is used to push the knot of the suture tightly and cut the excess suture outside the knot at the same time. However, the pushing and knotting and cutting device is prone to accidentally touching the cutting switch during the knot pushing process, which cuts the suture and causes surgical risks. UTILITY MODEL CONTENTS

[0003] In order to solve the above problems existing in the prior art, the utility model aims at providing a blood vessel suture pushing and knotting cutting integrated device.

[0004] The utility model adopts the technical scheme of: including the shell, be equipped with the knife tube in the shell, the knife tube with The shell is movably connected, the knife tube includes knife tube cap and knife tube rod, the knife tube cap with The knife tube rod fixed connection is established, be equipped with the wire cutting wrench on the shell, the wire cutting wrench is hinged with The shell through the positioning column, and the wire cutting wrench with The knife tube cap abuts, the arc slot is set up on the shell, be equipped with the limit structure in the arc slot, one end of the limit structure with The shell is hinged, the limit structure with The one end face of the knife tube cap is attached;The knife tube rod is equipped with the push handle rod, the push handle rod with The knife tube sleeve is connected, the distal end of the push handle rod forms the suture groove.

[0005] As a preferred embodiment of the utility model, the limit structure includes a limit cap, a limit rod and a positioning hole, the limit cap and the positioning hole are fixedly connected to two ends of the limit rod respectively, a connecting column is fixedly arranged in the arc slot, the positioning hole is rotatably connected with the connecting column, and a starting stop and an ending stop are arranged in the arc slot.

[0006] As the preferred of the utility model, the inside wall of the shell is equipped with limit sliding groove symmetrically, the shell is equipped with mounting column, the mounting column is equipped on the push handle rod, and is fixedly connected with the push handle rod, the both sides of the mounting column are equipped with several limit columns symmetrically, the limit column is slidably connected with the limit sliding groove, the mounting column is slidably connected with the shell through the sliding fit between the limit column and the limit sliding groove; the side of the mounting column close to one end of the bottom of the shell is equipped with proximal spring, the bottom of the shell is fixedly equipped with stopper, the stopper is located on the side of the proximal spring away from the mounting column, one end of the proximal spring is abutted with the mounting column, and the other end is abutted with the outer stopper.

[0007] As the preferred of the utility model, the shell is equipped with push handle limit groove, the push handle cap is slidably arranged in the push handle limit groove, and the push handle cap is fixedly connected with the mounting column.

[0008] As the preferred of the utility model, the top of the shell is equipped with knotter, the knotter includes handle cap, knotting rod and knotting head, the handle cap is threadedly connected with the top of the shell, the knotting rod is mountedly connected with the shell through the connecting column, and is sleeved with the knife pipe rod, the knotting rod is equipped with depth mark ring, and the knotting head is mountedly connected with one end of the knotting rod away from the handle cap.

[0009] As the preferred of the utility model, the knotting head is equipped with transverse opening, the side of the transverse opening forms lateral opening, the lateral opening is communicated with the transverse opening, and one end of the transverse opening forms cutting platform.

[0010] As the preferred of the utility model, the handle cap is equipped with distal end spring, the distal end spring is sleeved on the knife pipe rod, one end of the distal end spring is abutted with the knotting head, and the other end is abutted with the knife pipe cap.

[0011] As the preferred of the utility model, the end of the knife pipe rod close to the knotting head forms knife edge.

[0012] The utility model discloses a blood vessel suture knotting and cutting integrated device, through the setting of the limiting structure of cutting suture, the limiting and the two kinds of states of removing the limitation of suture are provided, when not needing the cutting of suture, the limiting structure limits the transmission of cutting wrench to cutting structure, makes it control the sliding of knife pipe cap in the shell, avoids the cutting of suture, avoids the cutting of suture caused by accidental touch, and when cutting suture, the position of limiting mechanism on the shell is rotated, the limiting of knife pipe cap movement is removed, and the cutting of suture is satisfied.

[0013] The utility model discloses a blood vessel suture knotting and cutting integrated device, through the setting of the limiting structure of cutting suture, the limiting and the two kinds of states of removing the limitation of suture are provided, when not needing the cutting of suture, the limiting structure limits the transmission of cutting wrench to cutting structure, makes it control the sliding of knife pipe cap in the shell, avoids the cutting of suture, avoids the cutting of suture caused by accidental touch, and when cutting suture, the position of limiting mechanism on the shell is rotated, the limiting of knife pipe cap movement is removed, and the cutting of suture is satisfied. DRAWINGS

[0014] The utility model will be further explained in detail below in combination with the drawings and specific implementation methods.

[0015] Figure 1 It is the structure schematic diagram of the utility model;

[0016] Figure 2 It is the local structure schematic diagram of the utility model;

[0017] Figure 3 It is the structure schematic diagram of the limiting structure of the utility model;

[0018] Figure 4 It is the overhead structure schematic diagram of the utility model;

[0019] Figure 5 It is the section structure schematic diagram of the utility model;

[0020] Figure 6 It is the part structure schematic diagram of the utility model.

[0021] In the drawing: 1, shell, 2, push handle, 3, limiting structure, 4, line cutting wrench, 5, push knotter, 6, cutter pipe, 7, distal end spring, 8, proximal end spring, 11, arc slot, 12, connecting column, 13, starting clamping, 14, end clamping, 15, push handle limiting slot, 16, stop block, 21, push handle cap, 22, push handle rod, 23, limiting column, 24, limiting sliding slot, 25, mounting column, 31, limiting cap, 32, limiting rod, 33, positioning hole, 41, positioning column, 51, handle cap, 52, knot collecting rod, 53, knot collecting head, 61, cutter pipe cap, 62, cutter pipe rod, 221, suture slot, 531, lateral opening, 532, transverse opening, 533, cutting platform, 621, cutting edge. Specific implementation

[0022] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the following in combination with the drawings and examples, the utility model is further explained in detail.Should understand, the specific example described here is only used to explain the utility model, and is not used to limit the utility model, namely the described example is only a part of the embodiment of the utility model, and is not all the embodiment.Usually the components of the utility model embodiment described and shown in the drawing here can be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] The following is combined Figures 1-6 This invention describes a specific embodiment of a vascular suture push-knot and cut integrated device, comprising a housing 1, within which a blade tube 6 is provided. The blade tube 6 is movably connected to the housing 1 and can slide within the housing 1. The blade tube 6 includes a blade tube cap and a blade tube rod, which are fixedly connected. The blade tube cap is slidably connected within the housing 1 and serves as a connecting structure for the movement of the blade tube rod. A suture cutting wrench 4 is provided on the housing 1, hinged to the housing 1 via a positioning post 41, and abutting against the blade tube cap. The suture cutting wrench 4, hinged to the housing 1 via the positioning post 41, can rotate along the positioning post 41. During rotation, its protruding structure abuts against the blade tube cap, thereby moving the blade tube cap and the blade tube rod fixedly connected to the blade tube cap. The housing 1 has openings... An arc-shaped groove 11 is provided, and a limiting structure 3 is provided inside the arc-shaped groove 11. One end of the limiting structure 3 is hinged to the outer shell 1. The limiting structure 3 is in contact with one end face of the cap of the knife tube 6. The limiting structure 3 is located on one side of the cap of the knife tube 6 and is used to limit the cap of the knife tube 6 to prevent accidental movement of the cap of the knife tube 6 and avoid accidental cutting of the suture. A push handle 2 is provided inside the knife tube 6. The push handle 2 is sleeved with the knife tube 6. A suture groove 221 is formed at the distal end of the push handle 2. The push handle 2 can slide inside the knife tube 6. The suture groove 221 is formed at the distal end of the push handle 2. The opening of the suture groove 221 is located at the center of the push handle 2, so that the suture is led out from the suture groove 221, thereby limiting the suture and facilitating the smooth passage of the suture through the push handle 2.

[0025] Please refer to Figures 2-3As shown, the limiting structure 3 includes a limiting cap 31, a limiting rod 32 and a positioning hole 33, the limiting cap 31 and the positioning hole 33 are fixedly connected at both ends of the limiting rod 32 respectively, a connecting column 12 is fixedly arranged in the arc-shaped groove 11, the positioning hole 33 is rotatably connected with the connecting column 12, a starting stop 13 and an ending stop 14 are arranged in the arc-shaped groove 11, the limiting structure 3 can be integrated or assembled, the limiting structure 3 is assembled and installed with the positioning column 41 arranged on the shell 1 through the positioning hole 33, so that the limiting structure 3 can rotate around the positioning column 41, the limiting cap 31 is on the surface of the shell 1 and can rotate back and forth in the limiting groove of the shell 1 around the positioning column 41 in connection with the limiting rod 32, the limiting groove has a starting position and an ending position, when the limiting cap 31 is at the starting position, the limiting rod 32 is close to the far end of the knife tube 6 cap, the knife tube 6 is prevented from moving to the far end by the limiting rod 32, and the thread cutting wrench 4 cannot be operated, when the limiting cap 31 rotates to the state of the ending position of the limiting groove, the limiting rod 32 cannot prevent the knife tube 6 cap from moving to the far end, at this time, the thread cutting wrench 4 can be operated to drive the knife tube 6 to move to the far end to cut the thread, wherein, a certain distance is formed between the starting stop 13 and the left end of the arc-shaped groove 11 and between the ending stop 14 and the right end of the arc-shaped groove 11, the distance is the diameter distance of the limiting rod 32, and the ending limiting structure 3 can avoid random movement in the arc-shaped groove 11 in different states.

[0026] Please refer to Figures 1-2 As shown, the inner wall of the shell 1 is symmetrically provided with a limiting sliding groove 24, the shell 1 is provided with a mounting column 25, the mounting column 25 is sleeved on the handle 2 rod and is fixedly connected with the handle 2 rod, a plurality of limiting columns 23 are symmetrically arranged on both sides of the mounting column 25, the limiting columns 23 are slidably connected with the limiting sliding groove 24, the mounting column 25 is slidably connected with the shell 1 through the sliding cooperation between the limiting columns 23 and the limiting sliding groove 24, the mounting column 25 is fixedly sleeved on the handle 2 rod, a plurality of limiting columns 23 are fixedly arranged on the circumferential surface of both sides of the mounting column 25, and the limiting columns 23 are slidably connected in the limiting sliding grooves 24 on both sides of the shell 1, so that the handle 2 rod and the mounting column 25 are synchronously limited and slid in the shell 1; the mounting column 25 is provided with a proximal end spring 8 on one side close to one end of the bottom of the shell 1, the shell 1 is fixedly provided with a stop block 16, the stop block 16 is located on the side away from the mounting column 25 of the proximal end spring 8, one end of the proximal end spring 8 abuts against the mounting column 25, and the other end abuts against the outer stop block 16, and the sliding end of the mounting column 25 is reset after movement through the arrangement of the proximal end spring 8.

[0027] Please refer to Figures 5-6As shown, the shell 1 is provided with a push handle limiting groove 15, and a push handle cap 21 is slidably arranged in the push handle limiting groove 15. The push handle cap 21 is fixedly connected with the mounting column 25. The bottom of the push handle cap 21 is fixedly connected with the mounting column 25. When the push handle 2 needs to be moved in the shell 1, that is, when the suture slot 221 in the push handle 2 limits the suture, the push handle cap 21 is moved to one side of the proximal end spring 8, so that the proximal end spring 8 is compressed, and the push handle 2 is moved to one side of the proximal end spring 8. At this time, the suture can pass through the suture slot 221 and be led out from the center of one end of the push handle 2. After the suture is led out, the push handle cap 21 is loosened, and the push handle 2 is reset. At this time, the suture is limited by the knot collecting rod 52 arranged on the push handle 2, so that the suture is prevented from being separated from the suture slot 221.

[0028] Please refer to Figures 1-5 As shown, the shell 1 is provided with a push handle limiting groove 15, and a push handle cap 21 is slidably arranged in the push handle limiting groove 15. The push handle cap 21 is fixedly connected with the mounting column 25. The bottom of the push handle cap 21 is fixedly connected with the mounting column 25. When the push handle 2 needs to be moved in the shell 1, that is, when the suture slot 221 in the push handle 2 limits the suture, the push handle cap 21 is moved to one side of the proximal end spring 8, so that the proximal end spring 8 is compressed, and the push handle 2 is moved to one side of the proximal end spring 8. At this time, the suture can pass through the suture slot 221 and be led out from the center of one end of the push handle 2. After the suture is led out, the push handle cap 21 is loosened, and the push handle 2 is reset. At this time, the suture is limited by the knot collecting rod 52 arranged on the push handle 2, so that the suture is prevented from being separated from the suture slot 221.

[0029] Please refer to Figures 1-5 As shown, the shell 1 is provided with a push handle limiting groove 15, and a push handle cap 21 is slidably arranged in the push handle limiting groove 15. The push handle cap 21 is fixedly connected with the mounting column 25. The bottom of the push handle cap 21 is fixedly connected with the mounting column 25. When the push handle 2 needs to be moved in the shell 1, that is, when the suture slot 221 in the push handle 2 limits the suture, the push handle cap 21 is moved to one side of the proximal end spring 8, so that the proximal end spring 8 is compressed, and the push handle 2 is moved to one side of the proximal end spring 8. At this time, the suture can pass through the suture slot 221 and be led out from the center of one end of the push handle 2. After the suture is led out, the push handle cap 21 is loosened, and the push handle 2 is reset. At this time, the suture is limited by the knot collecting rod 52 arranged on the push handle 2, so that the suture is prevented from being separated from the suture slot 221.

[0030] Please refer to Figure 5 As shown, the handle cap 51 is provided with a distal end spring 7, which is arranged on the knife tube 6 and abuts against the knot collecting head 53 at one end and the knife tube 6 cap at the other end. The distal end spring 7 is used for resetting the knife tube 6 cap after movement.

[0031] Please refer to the figure, the knife tube 6 rod near the end of the knot head 53 is formed with a cutting edge 621, realize to suture cutting.

[0032] The utility model discloses working principle:

[0033] After using the blood vessel suturing device to suture the blood vessel puncture, the fisherman knot with two suture ends is left at the puncture, one suture end is the axis, and the other suture end is the track, and the fisherman knot is tightened and the excess suture is cut through using the device.

[0034] When using, the push handle cap 21 is moved to the bottom of the shell 1, the movement of the push handle cap 21 makes the installation column 25 and the push handle 2 rod, at the same time, the proximal end spring 8 stores the elastic potential energy and provides reset for the installation column 25 and the push handle 2 rod, after the push handle 2 rod moves, the push handle 2 rod at one end of the knot head 53 moves synchronously, at this moment, the suture groove 221 on the push handle 2 rod is exposed in the transverse opening 532, the suture is passed through the suture groove 221, and the suture is guided out from the center of the end face of the push handle 2 rod through the suture groove 221, after the suture is guided out, the push handle cap 21 is loosened, the suture in the suture groove 221 is limited by the knot head 53, and simultaneously, the guided suture passes through the lateral opening 531.

[0035] The device is pushed to the blood vessel puncture, the track is tightened, the fisherman knot is completed, the axis is pulled and locked, two sutures are pulled into the knot head 53 of the device, the device is pushed to the surface of the blood vessel, the limiting rod 32 is opened by rotating the limiting cap 31, the limiting of the knife tube 6 cap movement is released by the limiting structure 3, the rotating of the cutting handle 4 is operated, the rotating of the cutting handle 4 drives the knife tube 6 cap to move to the knot pusher 5, the movement of the knife tube 6 cap makes the knife tube 6 rod move synchronously in the knot rod 52, the knife tube 6 rod is formed with the cutting edge 621, the cutting edge 621 is cut with the inner wall of the knot rod 52 when moving, and the suture on the cutting platform 533 is cut.

[0036] In the description of the utility model, it needs to be explained that, unless there are definite provisions and limitations, the terms "installation", "connection", "connection" and the like should be understood broadly, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through the intermediate medium, can be the intercommunication of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0037] The above is only an example and description of the structure of the utility model, and those skilled in the art can make various modifications or supplements to the described specific embodiments or replace them with similar ways, as long as the modifications or supplements do not deviate from the structure of the utility model or exceed the range defined by the claims of the application, which shall belong to the protection scope of the utility model.

Claims

1. An integrated device for pushing, knotting, and cutting vascular sutures, characterized in that: The utility model provides a kind of cutting line device, including shell, which is equipped with knife tube inside, the knife tube is movably connected with the shell, the knife tube includes knife tube cap and the knife tube stem, the knife tube cap and knife tube stem are fixedly connected, the shell is equipped with line cutting wrench, the line cutting wrench is hinged with the shell by positioning column, and the line cutting wrench is in contact with the knife tube cap, arc-shaped slot is opened in the shell, limit structure is equipped in the arc-shaped slot, one end of the limit structure is hinged with shell, and the limit structure is in contact with one of the end surfaces of the knife tube cap;Push handle rod is equipped in the knife tube stem, the push handle rod is connected with the knife tube sleeve, and the distal end of the push handle rod forms suture slot.

2. The integrated knot-pushing and cutting device of claim 1, wherein: The limit structure includes a limit cap, a limit rod and a positioning hole, the limit cap and the positioning hole are fixedly connected to the two ends of the limit rod respectively, a connecting column is fixedly arranged in the arc-shaped slot, the positioning hole is rotatably connected with the connecting column, and a starting stop and an ending stop are arranged in the arc-shaped slot.

3. The integrated knot-pushing and cutting device of claim 1, wherein: Symmetrical limit sliding grooves are arranged on the inner wall of the shell, a mounting column is arranged in the shell, the mounting column is sleeved on the push handle rod and fixedly connected with the push handle rod, a plurality of limit columns are symmetrically arranged on the two sides of the mounting column, the limit columns are slidably connected with the limit sliding grooves, and the mounting column is slidably connected with the shell through the sliding connection between the limit columns and the limit sliding grooves.

4. The integrated knot-pushing and cutting device of claim 3, wherein: A proximal end spring is arranged on one side of the mounting column close to one end of the bottom of the shell, a stopper is fixedly arranged at the bottom of the shell, the stopper is located on the side of the proximal end spring away from the mounting column, one end of the proximal end spring is in contact with the mounting column, and the other end is in contact with the outer stopper.

5. The integrated knot-pushing and cutting device of claim 1, wherein: A push handle limiting slot is formed in the shell, a push handle cap is slidably arranged in the push handle limiting slot, and the push handle cap is fixedly connected with the mounting column.

6. The integrated knot-pushing and cutting device of claim 5, wherein: A knot pusher is arranged at the top of the shell, the knot pusher includes a handle cap, a knot collecting rod and a knot collecting head, the handle cap is threadedly connected with the top of the shell, the knot collecting rod is mounted and connected with the shell through the connecting column and sleeved with the knife tube stem, a depth marker ring is arranged on the knot collecting rod, and the knot collecting head is mounted and connected with one end of the knot collecting rod away from the handle cap.

7. The integrated knot-pushing and cutting device of claim 6, wherein: A transverse opening is arranged on the knot collecting head, a lateral opening is formed on one side of the transverse opening, the lateral opening is in communication with the transverse opening, and a cutting platform is formed at one end of the transverse opening.

8. The integrated knot-pushing and cutting device of vascular suture according to claim 1, characterized in that: A distal end spring is arranged in the handle cap, the distal end spring is sleeved on the knife tube stem, one end of the distal end spring is in contact with the knot collecting head, and the other end is in contact with the knife tube cap. A cutting edge is formed at one end of the knife tube stem close to the knot collecting head.

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