Operating clip applier based on anastomat
By designing a flexible, continuously firing clip assembly that is combined with the anastomosis device, the problems of inflexible operation and high cost of traditional clips are solved, achieving efficient and flexible vascular closure and cost reduction.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-04-10
AI Technical Summary
Traditional clamping forceps are not very flexible in surgical procedures, especially in narrow spaces where they are difficult to effectively close blood vessels, and they are also costly.
Design a multi-shot clamping forceps based on a stapler, comprising a bendable connecting component and a detachable clamping forceps component, which, when used in conjunction with the stapler, enables multiple combined operations, including clamping, clamping, and resetting actions.
It improves the flexibility and efficiency of surgical procedures, reduces surgical costs, is suitable for vascular closure in narrow spaces, and can be used multiple times with only one stapler handle.
Smart Images
Figure CN224099405U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of medical apparatus and instruments, especially to a continuous firing clip applier based on an anastomat. BACKGROUND
[0002] The clip applier is a common surgical instrument in surgery, which is used to close plastic or metal clips on blood vessels or urinary ducts. In traditional surgery, a single firing clip applier is usually used, that is, when a clip is to be closed on a blood vessel, the clip is first installed in the jaws of the clip applier, and then the clip is closed. Since at least three clips are needed for each blood vessel, the closing efficiency of the single firing clip applier is relatively low. In addition, a continuous firing clip applier is also used, that is, a plurality of clips are installed in the clip applier, and a plurality of clips can be closed on a blood vessel, thereby greatly saving the operation time.
[0003] However, the single firing or continuous firing clip applier has low flexibility, and it is difficult to close the blood vessel in a narrow space, and the cost is high. SUMMARY
[0004] To solve the above technical problems, the technical scheme provided by the utility model is as follows:
[0005] A continuous firing clip applier based on an anastomat, comprising: an anastomat instrument, a connecting assembly and a clip applier assembly, one end of the connecting assembly is connected to the clip applier assembly, and the other end of the connecting assembly is detachably connected to the anastomat instrument; the clip applier assembly comprises: a push tube for feeding and closing a clip, a feeding assembly and a closing assembly, the push tube for feeding and closing a clip is connected to the feeding assembly and the closing assembly, respectively, the push tube for feeding and closing a clip pushes the feeding assembly to push the tissue clip to the working position and further pushes the closing assembly to close the tissue clip.
[0006] Further, the distal end of the connecting assembly comprises a bendable part, a bending push rod is connected to the bendable part, when the bending push rod advances or retreats by a distance, the bendable part is pushed to swing in different directions, thereby driving the clip applier assembly to swing in different directions.
[0007] Further, the push tube for feeding and closing a clip has a tubular structure, one end is connected to the bendable firing piece, and the other end is an open structure.
[0008] Further, the feeding assembly comprises: a feeding guide, a feeding piece and a feeding spring, wherein one end of the feeding piece has a hook, the feeding spring is located in the push tube for feeding and closing a clip, one end of the feeding guide is connected to the end of the push tube for feeding and closing a clip having an open structure, the hook of the feeding piece is located between the feeding spring and the feeding guide, and the feeding spring abuts against the hook on the feeding guide.
[0009] Further, the closing clamp assembly comprises a closing clamp tube, and the push tube of the closing clamp has two hooks arranged at one end of the push tube in an open structure, and correspondingly, the closing clamp tube has two closing clamp tube sliding grooves arranged at one end of the closing clamp tube, and the push tube of the closing clamp is inserted into the closing clamp tube, and the hooks are arranged in the closing clamp tube sliding grooves and can slide.
[0010] Further, the closing clamp assembly comprises a closing clamp tube, and the push tube of the closing clamp has two hooks arranged at one end of the push tube in an open structure, and correspondingly, the closing clamp tube has two closing clamp tube sliding grooves arranged at one end of the closing clamp tube, and the push tube of the closing clamp is inserted into the closing clamp tube, and the hooks are arranged in the closing clamp tube sliding grooves and can slide.
[0011] Further, the length of the guide groove is greater than the length of the clip piece stop slot and the length of the closing clamp tube stop slot.
[0012] The utility model discloses a kind of continuous firing applying clamp assemblies with replaceable components, and the interface of component uses commonly used interface of stapler, after the clamping of component and manual or electric endoscope cutting stapler, bending, clip, closing clamp and reset action are implemented.
[0013] After using such design, the utility model at least has following advantages: bending makes instrument operation flexible;Component is replaceable, in one operation, only using the handle of one stapler can be combined with applying clamp assembly and stapler assembly multiple times, reduce operation cost;The utility model is simple in structure, easy to implement. BRIEF DESCRIPTION OF DRAWINGS
[0014] The above is only the summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, the utility model is further specifically explained in the following with the drawings and specific embodiments.
[0015] Figure 1 It is the overall structure schematic diagram of the utility model continuous firing applying clamp;
[0016] Figure 2 It is the applying clamp assembly and the connection assembly connection schematic diagram of the utility model continuous firing applying clamp;
[0017] Figure 3 It is the overhead section schematic diagram of the utility model continuous firing applying clamp;
[0018] Figure 4 It is the side section schematic diagram of the utility model continuous firing applying clamp;
[0019] Figure 5 It is the explosion schematic diagram of the utility model continuous firing applying clamp;
[0020] Figure 6 It is the clip assembly and the closing clamp assembly section schematic diagram of the utility model continuous firing applying clamp;
[0021] Figure 7 is a structure schematic view of a continuous firing clip applier sending clip assembly of the utility model;
[0022] Figure 8 is a bending schematic view of the continuous firing clip applier of the utility model;
[0023] Figure 9 is a bending structure schematic view of the continuous firing clip applier of the utility model;
[0024] Figure 10 is a sending clip action schematic view of the continuous firing clip applier of the utility model;
[0025] Figure 11 is a closing clip action schematic view of the continuous firing clip applier of the utility model;
[0026] Figure 12 is a reset action schematic view of the continuous firing clip applier of the utility model;
[0027] The drawing mark, 10 is a clip applier assembly, 20 is a connecting assembly, 30 is an anastomat instrument, 11 is a sending and closing clip push tube, 111 is a clamping hook, 12 is a sending clip guide, 121 is a guide groove, 13 is a sending clip piece, 131 is a sending clip piece stop groove, 132 is a hook, 14 is a sending clip spring, 15 is a closing clip tube, 151 is a closing clip tube stop groove, 152 is a closing clip tube sliding groove, an assembly tube 16, 17 is a sending and closing clip stop pin, 181 is a clip bin, 182 is a clip jaw, 19 is a tissue clip, 21 is a bendable part, 22 is a bending push rod, 31 is a bendable firing piece. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0029] In this article, "up", "down" and the like are only used to represent the relative position relationship between the relevant parts, and not to limit the absolute position of the relevant parts.
[0030] The end of each component close to the operator is defined as the proximal end, and the end away from the operator is defined as the distal end. The expression of the proximal end and the distal end is only used to make the description simple and clear, and should not be understood as any limitation on the utility model.
[0031] Referring to the drawings Figures 1-12The application discloses a kind of based on anastomat continuous firing clip appliers, comprising: anastomat instrument 30, connecting component 20 and clip applier component 10, connecting component 20 one end connects clip applier component 10, and the other end of connecting component 20 is detachably connected to anastomat instrument 30;Clip applier component 10 includes: send closed clip push tube 11, send clip component and closed clip component, send closed clip push tube 11 is connected with send clip component and closed clip component respectively, and send closed clip push tube 11 pushes send clip component and further pushes closed clip component to push tissue clip 19 to working position and close.
[0032] The distal end of the connecting component includes a bendable part 21, and a bending push rod 22 is connected with the bendable part 21; when the bending push rod 22 advances or retreats by a distance, the bendable part 21 is pushed to swing in different directions, so as to drive the clip applier component to swing in different directions. The send closed clip push tube 11 is in a tubular structure, one end of which is connected with a bendable firing piece 31, and the other end is in an open structure; the send clip component includes a send clip guide 12, a send clip piece 13 and a send clip spring 14, wherein the send clip piece 13 has a hook 132 at one end, the send clip spring 14 is located in the send closed clip push tube 11, the send clip guide 12 is connected with the end of the send closed clip push tube 11 having the open structure at one end, the send clip piece hook 132 is located between the send clip spring 14 and the send clip guide 12, the send clip spring 14 abuts the hook 132 against the send clip guide 12, and the send closed clip push tube 11 can push the send clip guide 12 to move forward, and at the same time, push the send clip piece 13 to move forward through the send clip spring 14. Preferably, the send clip guide 12 is fixedly connected with the send closed clip push tube 11 through a pin shaft. The closed clip component includes a closed clip tube 15, and the end of the send closed clip push tube 11 having the open structure is provided with two clamping hooks 111 in a relative arrangement, and correspondingly, the end of the closed clip tube is provided with two closed clip tube sliding grooves 152, the end of the send closed clip push tube 11 is inserted into the closed clip tube 15, and the clamping hooks 111 are arranged in the closed clip tube sliding grooves 152 and can slide.
[0033] The clip applier component includes a component tube 16, and a send closed clip stop pin 17 is fixedly arranged in the component tube 16; the send clip piece 13 is provided with a send clip piece stop slot 131, the closed clip tube 15 is provided with a closed clip tube stop slot 151, and the send clip guide 12 is provided with a guide slot 121; the send closed clip stop pin 17 passes through the send clip piece stop slot 131, the guide slot 121 and the closed clip tube stop slot 151 respectively, so that the movement of the send clip piece 13, the movement of the closed clip tube 15 and the movement of the send closed clip push tube 11 are respectively limited by the send closed clip stop pin 17. The length of the guide slot is greater than the length of the send clip piece stop slot and the length of the closed clip tube stop slot, and further, the length of the guide slot is arranged to not affect the send clip action of the send clip piece and the closed clip action of the closed clip tube.
[0034] The working process of the continuous firing clip applier is as follows: the anastomat instrument 30 drives the movable bending firing piece 31 to move, the movable bending firing piece 31 pushes the push tube 11 of the pusher clip forward, the push tube 11 of the pusher clip pushes the pusher clip guide 12 forward, the pusher clip spring 14 in the push tube 11 of the pusher clip pushes the pusher clip 13 forward through the hook 132, at this time, the clamping hook 111 is located in the pusher clip sliding groove 152 and moves along the pusher clip sliding groove 152, so that the forward movement of the pusher clip tube 11 does not push the pusher clip tube 15 forward; the pusher clip 13 pushes the tissue clip 19 in the clip warehouse 181 to the working position, when the pusher clip stop groove of the pusher clip 13 is blocked by the pusher clip stop pin 17, the pusher clip 13 no longer moves forward, and the pusher clip action is completed; since the length of the guide groove of the pusher clip guide 12 is greater than the length of the pusher clip stop groove 131, at this time, the movable bending firing piece 31 continues to move forward, the pusher clip tube 11 can continue to push the pusher clip tube 11 forward, the pusher clip spring 14 is compressed, the pusher clip tube 11 pushes the pusher clip tube 15 forward through the clamping hook 111 thereon, until the pusher clip tube stop groove of the pusher clip tube 11 is blocked by the pusher clip stop pin 17, the pusher clip tube 15 no longer moves forward, and the pusher clip action is completed.
[0035] The reset process of the pusher clip assembly and the pusher clip assembly and the movable bending part is as follows: the movable bending firing piece 31 retreats, the pusher clip tube 11 retreats, the clamping hook 111 on the pusher clip tube 11 drives the pusher clip tube 15 to retreat, then the pusher clip guide 12 drives the pusher clip tail hook 132 on the pusher clip 13 to retreat, thereby driving the pusher clip 13 to retreat, and finally when the movable bending firing piece 31 retreats to the original position, the pusher clip assembly and the pusher clip assembly also return to the original position at the same time. The head bending push rod 22 drives the movable bending part 21 to retreat to the original position, the trial clip applier assembly returns to the normal position, the reset is completed, and the next firing can be performed.
[0036] Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. It is intended that the present application cover any and all variations of the application that come within the scope of the claims and their equivalents. It is intended that the specification and examples be considered exemplary only, with the true scope and spirit of the application indicated by the following claims.
[0037] It is understood that the application is not limited to the exact construction and arrangement described and shown herein, and that various modifications and changes can be made without departing from the scope thereof. The scope of the application is indicated by the following claims.
Claims
1. An anastomosis ring based continuous firing clip applier, characterized by, The application relates to a stapler instrument, a connecting assembly and a clip applier assembly, wherein one end of the connecting assembly is connected to the clip applier assembly, and the other end of the connecting assembly is detachably connected to the stapler instrument. The clip applier assembly comprises a push-tube, a clip feeding assembly and a clip closing assembly, the push-tube is connected to the clip feeding assembly and the clip closing assembly, the push-tube pushes the clip feeding assembly to push the tissue clip to a working position and further pushes the clip closing assembly to close the tissue clip. The distal end of the connecting assembly comprises a bendable part, a bending push rod is connected to the bendable part, when the bending push rod advances or retreats by a distance, the bendable part is pushed to swing in different directions, thereby driving the clip applier assembly to swing in different directions.
2. The sequential application clip applier of Claim 1, wherein, The push-tube is in a tubular structure, one end of the push-tube is connected to a bendable firing piece, and the other end of the push-tube is in an open structure.
3. The sequential application clip applier of Claims 1 or 2, wherein, The clip feeding assembly comprises a clip feeding guide, a clip feeding piece and a clip feeding spring, one end of the clip feeding piece is provided with a hook, the clip feeding spring is arranged in the push-tube, one end of the clip feeding guide is connected to the end of the push-tube with the open structure, the hook of the clip feeding piece is located between the clip feeding spring and the clip feeding guide, and the clip feeding spring abuts against the hook on the clip feeding guide.
4. The sequential application clip applier of Claim 3, wherein, The clip closing assembly comprises a clip closing tube, the end of the push-tube with the open structure is provided with two clamping hooks, correspondingly, one end of the clip closing tube is provided with two clip closing tube sliding grooves, the end of the push-tube is inserted into the clip closing tube, and the clamping hooks are arranged in the clip closing tube sliding grooves and can slide.
5. The sequential application clip applier of Claim 4, wherein, The clip applier assembly comprises an assembly tube, a push-clip stop pin is fixedly arranged in the assembly tube, a clip feeding piece stop slot is arranged on the clip feeding piece, a clip closing tube stop slot is arranged on the clip closing tube, and a guide slot is arranged on the clip feeding guide, the push-clip stop pin passes through the clip feeding piece stop slot, the guide slot and the clip closing tube stop slot.
6. The sequential stapling clip applier of claim 5, wherein the first and second stapling assemblies are configured to sequentially staple tissue as the first and second stapling assemblies are advanced distally. The length of the guide slot is greater than the lengths of the clip feeding piece stop slot and the clip closing tube stop slot.
7. The sequential stapling clip applier of claim 6, wherein the first and second stapling assemblies are configured to sequentially staple tissue as the first and second stapling assemblies are advanced distally along the elongate shaft.