Integrated surgical stapler

Abstract

The present invention discloses an integrated surgical stapler, comprising a main control mechanism, an active rod assembly extending outward from the main control mechanism, a fixed cylinder, a suture end assembly and a suture thread fixing assembly, wherein the active rod assembly extending outside the main control mechanism is built into the fixed cylinder and the suture end assembly, the main control mechanism is fixedly connected to the suture end assembly via the fixed cylinder, and the suture thread fixing assembly is arranged outside the fixed cylinder and connected to the fixed cylinder. The present invention is simple and convenient to operate, and only a small operating space needs to be separated during the operation, and the ligament tissue can be probed with the fingers, and the suture can be completed under the guidance of the fingers without direct vision. The operation time can be significantly shortened, the operating space required for suturing can be reduced, and tissue damage caused by excessive separation can be reduced. The suturing is precise, and other tissues such as blood vessels and nerves are not easily injured by mistake, and the success rate of one-time suturing is high.

Description

Technical Field

[0001] The present invention belongs to the technical field of medical devices and relates to a surgical stapler, in particular to an integrated surgical stapler. Background Art

[0002] At present, during the operation, when the deep ligament tissue in the cavity needs to be sutured and fixed, the traditional needle holder is used to clamp the suture needle for suture fixation. Due to the deep operation site and narrow space, a large amount of surrounding tissue must be separated to form a larger operation space at the operation site, and the suture can only be performed under the direct vision of the operator; such separation causes great damage to the surrounding tissues and is easy to damage blood vessels, nerves and adjacent organs. Even so, due to the narrow operation space, deep operation site and insufficient lighting, suturing is still difficult, the one-time suturing success rate is not high, the operation time is long, and the suture needle is easy to injure the operator's fingers. Summary of the invention

[0003] In view of this, the main purpose of the present invention is to provide an integrated surgical stapler, which solves the problems in the prior art that staplers are not convenient to use in areas with deep operation sites and small operation spaces, excessive separation for suturing causes great tissue damage, easily damages adjacent organs, takes a long time for surgery, is cumbersome to operate, has a low suturing success rate, and the suture needle easily injures the operator's fingers.

[0004] To achieve the above-mentioned purpose, the technical solution of the present invention is implemented as follows: an integrated surgical stapler comprises a main control mechanism, an active rod assembly, a fixed cylinder, a suture end assembly and a suture thread fixing assembly, wherein the main control mechanism is fixedly connected to the suture end assembly via the fixed cylinder, and the suture thread fixing assembly is arranged outside the fixed cylinder and connected to the fixed cylinder; one end of the active rod assembly is arranged in the main control mechanism (1), and the other end is built into the fixed cylinder and the suture end assembly.

[0005] Preferably, the active rod assembly includes an active rod, a bending part, a connecting rod and a suture needle assembly. The active rod and the connecting rod are respectively arranged at both ends of the bending part and fixedly connected to the bending part. The suture needle assembly is connected to an end of the connecting rod away from the bending part, and the main control mechanism is cooperatively connected to an end of the active rod away from the bending part.

[0006] Preferably, the suture needle assembly comprises a push rod needle and a push rod cap, wherein the push rod cap is sleeved on the end of the push rod needle, and the bottom of the push rod needle is connected to the connecting rod.

[0007] Preferably, the suturing end portion comprises a suturing end body with a hollow structure, one end of the suturing end body is bent, one end of the suturing end body is provided with a through groove for inserting and fixing the push rod needle for suturing damaged tissue, a fixing groove for fixing the push rod cap is provided on the groove wall of the through groove, and the bent end of the suturing end body is fixedly connected to the fixing tube.

[0008] Preferably, a gap for positioning the suture thread is provided at the bottom of the suture end body.

[0009] Preferably, the bending angle of the suturing end body relative to the length direction of the fixing tube is 10 to 20 degrees.

[0010] Preferably, the suture thread fixing assembly includes a wire drum assembly, a wire drum positioning cylinder, a fixing fastener and a connecting piece, the wire drum positioning cylinder is sleeved on the fixing cylinder, the fixing fastener is fixed on the wire drum positioning cylinder, the wire drum assembly is passed through the fixing fastener and is connected to the fixing fastener through the connecting piece.

[0011] Preferably, the wire drum assembly includes an upper drum body and a lower drum body, the upper drum body is fixedly connected to the lower drum body, the connecting piece is arranged in the upper drum body, and the upper drum body is connected to the fixing fastener through the connecting piece; a boss with a thread end embedding groove and used for winding the suture thread is provided on the lower drum body.

[0012] Preferably, a through hole cooperating with a fixing fastener is provided at the center position of the upper disk body and the lower disk body, at least two fixing columns are provided inside the upper disk body, and the two fixing columns are provided on both sides of the through hole; a fixing groove is provided on the boss, and the fixing column is connected with the fixing groove in cooperation.

[0013] Preferably, the main control mechanism includes a trigger, a shell assembly with a gripping handle, and a tail end rotating assembly arranged outside the shell assembly, the tail end rotating assembly is cooperatively connected with one end of the active rod in the active rod assembly for fixing or loosening the active rod, the trigger is fixedly connected to the active rod for pushing the active rod to move forward, and the shell assembly is fixedly connected to the suture end body through a fixing tube.

[0014] Preferably, the main control mechanism further comprises a first elastic component arranged in the shell component, and the first elastic component is sleeved on the active rod for returning the active rod.

[0015] Preferably, the tail end rotating assembly comprises a tail end rotating member and a rotating fixed member, the tail end rotating member is sleeved on the rotating fixed member, and one end of the active rod is cooperatively connected to the rotating fixed member.

[0016] Compared with the prior art, the present invention is simple and convenient to operate. During the operation, only a small space needs to be separated, and the ligament tissue can be probed with the fingers. The suturing can be completed under the guidance of the fingers without direct vision. The success rate of one-time suturing is high, and the operation time is greatly shortened. The suturing is accurate and it is not easy to accidentally injure other tissues such as blood vessels and nerves. The suturing is simple and easy to operate; and the suturing is accurate and it is not easy to accidentally injure other tissues. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the overall structure of an integrated stapler provided by an embodiment of the present invention;

[0018] Figure 2 A cross-sectional view of an integrated stapler provided by an embodiment of the present invention;

[0019] Figure 3 for Figure 2 A partial enlarged view of the middle A part;

[0020] Figure 4 A schematic diagram of the structure of the suture end assembly in the integrated suture device provided in an embodiment of the present invention Figure 1 ;

[0021] Figure 5 A schematic diagram of the structure of the suture end assembly in the integrated suture device provided in an embodiment of the present invention Figure 2 ;

[0022] Figure 6 An exploded schematic diagram of a suture thread fixing assembly in an integrated suture device provided by an embodiment of the present invention;

[0023] Figure 7 An exploded schematic diagram of a thread drum assembly in an integrated suture device provided by an embodiment of the present invention;

[0024] Figure 8 An overall exploded view of the integrated stapler provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0026] In the description of the present invention, it should be clarified that terms such as "vertical", "lateral", "longitudinal", "front", "rear", "left", "right", "up", "down", and "horizontal" indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are merely for the convenience of describing the present invention. They do not mean that the devices or elements referred to must have a specific direction or position, and therefore cannot be understood as limitations on the present invention.

[0027] The integrated surgical stapler provided in Example 1 of the present invention is as follows: Figure 1 , Figure 2 As shown, it includes a main control mechanism 1, an active rod assembly 2, a fixed cylinder 3, a suture end assembly 4 and a suture thread fixing assembly 5. The main control mechanism 1 is fixedly connected to the suture end assembly 4 through the fixed cylinder 3, and the suture thread fixing assembly 5 is arranged outside the fixed cylinder 3 and connected to the fixed cylinder 3; one end of the active rod assembly 2 is arranged in the main control mechanism 1, and the other end is built into the fixed cylinder 3 and the suture end assembly 4; the suture device is simple and convenient to operate. During the operation, only a small space needs to be separated, and the ligament tissue can be probed with fingers. Suturing can be completed under the guidance of fingers without direct vision. The success rate of one-time suturing is high, and suturing can be repeated, which greatly shortens the operation time. The suturing is accurate and it is not easy to accidentally damage other tissues such as blood vessels and nerves. The suturing is simple and easy to operate; and the suturing is accurate and it is not easy to accidentally damage other tissues.

[0028] Furthermore, the active rod assembly 2 includes an active rod 21, a bending piece 22, a connecting rod 23 and a suture needle assembly 24. The active rod 21 and the connecting rod 23 are respectively arranged at both ends of the bending piece 22 and fixedly connected to the bending piece 22. The suture needle assembly 24 is connected to one end of the connecting rod 23 away from the bending piece 22, and the main control mechanism 1 is cooperatively connected to one end of the active rod 21 away from the bending piece 22.

[0029] Furthermore, the suture needle assembly 24 includes a push rod needle 241 and a push rod cap 242 . The push rod cap 242 is sleeved on the end of the push rod needle 241 , and the bottom of the push rod needle 241 is connected to the connecting rod 23 .

[0030] Furthermore, if Figure 4 As shown, the suture end portion 4 includes a suture end body 41 with a hollow structure, one end of the suture end body 41 is bent, one end of the suture end body 41 is provided with a through groove 411 for suturing damaged tissue, the groove wall of the through groove 411 is provided with a fixing groove 412 for fixing the push rod cap 242, and the bent end of the suture end body 41 is fixedly connected to the fixing tube 3.

[0031] Furthermore, if Figure 5 As shown, the bottom of the suture end body 41 is provided with a slit 413 for positioning the suture thread.

[0032] Furthermore, the bending angle of the suture end body 41 is 10 to 20 degrees.

[0033] Furthermore, if Figure 6As shown, the suture thread fixing assembly 5 includes a wire drum assembly 51, a wire drum positioning cylinder 52, a fixing fastener 53 and a connecting piece 54. The wire drum positioning cylinder 52 is sleeved on the fixing cylinder 3, the fixing fastener 53 is fixed on the wire drum positioning cylinder 52, and the wire drum assembly 51 is passed through the fixing fastener 53 and connected to the fixing fastener 53 through the connecting piece 54.

[0034] Furthermore, if Figure 7 As shown, the wire drum assembly 51 includes an upper drum body 511 and a lower drum body 512. The upper drum body 511 is fixedly connected to the lower drum body 512. The connecting piece 54 is arranged in the upper drum body 511. The upper drum body 511 is connected to the fixing fastener 53 through the connecting piece 54. A boss 515 with a thread end embedding groove 517 and used for winding the suture thread is provided on the lower drum body 512.

[0035] Furthermore, a through hole 514 cooperating with the fixing fastener 53 is provided at the center of the upper plate 511 and the lower plate 512, at least two fixing columns 513 are provided inside the upper plate 511, and the two fixing columns 513 are provided on both sides of the through hole 514; a fixing groove 516 is provided on the boss 515, and the fixing column 513 is connected with the fixing groove 516. Further, the fixing assembly 513 includes at least two fixing columns 513, a through hole 514 cooperating with the fixing fastener 53 is provided at the center of the upper plate 511 and the lower plate 512, and the two fixing columns 513 are provided on both sides of the through hole 514; a boss 515 for winding the suture thread is provided inside the lower plate 512, a fixing groove 516 is provided on the boss 515, and the fixing column 513 is connected with the fixing groove 516.

[0036] Furthermore, if Figure 2 , Figure 3 , Figure 8 As shown, the main control mechanism 1 includes a trigger 11, a shell assembly 12 with a gripping handle, and a tail end rotating assembly 13 arranged outside the shell assembly 12. The tail end rotating assembly 13 is matched with one end of the active rod 21 in the active rod assembly 2 to fix or loosen the active rod 21. The trigger 11 is fixedly connected to the active rod 21 to push the active rod 21 to move forward. The shell assembly 12 is fixedly connected to the suture end body 41 through the fixing tube 3.

[0037] Furthermore, the main control mechanism 1 further includes a first elastic component 14 disposed in the shell component 12 . The first elastic component 14 is sleeved on the active rod 21 for returning the active rod 21 .

[0038] Furthermore, the first elastic component 14 and the second elastic component 23 are both springs.

[0039] Furthermore, the tail end rotating assembly 13 includes a tail end rotating member 131 and a rotating fixed member 132 . The tail end rotating member 131 is sleeved on the rotating fixed member 132 , and one end of the active rod 21 is cooperatively connected to the rotating fixed member 132 .

[0040] Furthermore, the shell assembly 12 includes a left shell 122 of the main body, a right shell 123 of the main body, and left and right shell fixings 124. The left shell 122 and the right shell 123 are connected by the left and right shell fixings 124. By setting the shell assembly 12, some components of the main control part 1 are effectively fixed and restricted.

[0041] Furthermore, one end of the wire drum positioning cylinder 52 is arranged between the fixing cylinder 3 and the housing assembly 12 .

[0042] The use process of an integrated stapler provided by an embodiment of the present invention is as follows:

[0043] 1) Rotate the tail end rotating member 131 clockwise to release the active rod 21.

[0044] 2) Using fingers to guide, place the suture end 4 into the desired ligament tissue suture location, and use the through groove 411 to fix the ligament tissue in the through groove.

[0045] 3) Grip the trigger 11 tightly toward the palm of your hand, and release your hand when the limit stroke is reached. At this time, the push rod cap 242 with the wire passes through the ligament tissue, has been successfully sent into the interior of the end by the active rod 21, and is clamped by the fixing groove 412;

[0046] 4) Release the trigger 11, the active rod 21 and the push rod needle 241 retract together, and the suturing is completed at this time;

[0047] 5) Take out the suture device, disassemble the wire drum assembly 51 and the wire push rod cap 242, and then install a new wire drum assembly 51 and a wire push rod cap 242; repeat the above operation to complete all the suturing steps.

[0048] The device of the present invention is specially used for suturing tissues in deep and narrow spaces of body cavities during surgery. The device is simple and convenient to operate. During surgery, only a small operating space needs to be separated, and the ligament tissue can be probed with fingers. The suturing can be completed under the guidance of the fingers without direct vision. The operation time can be significantly shortened, the operating space required for suturing can be reduced, and tissue damage caused by excessive separation can be reduced. The suturing is precise, and it is not easy to accidentally damage other tissues such as blood vessels and nerves, and the success rate of one-time suturing is high.

[0049] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. An integrated surgical stapler, characterized in that: It includes a main control mechanism, an active rod assembly, a fixed cylinder, a suture end assembly and a suture thread fixing assembly, wherein the main control mechanism is fixedly connected to the suture end assembly through the fixed cylinder, and the suture thread fixing assembly is arranged outside the fixed cylinder and connected to the fixed cylinder; one end of the active rod assembly is arranged in the main control mechanism, and the other end is built into the fixed cylinder and the suture end assembly; The active rod assembly comprises an active rod, a bending piece, a connecting rod and a suturing needle assembly, wherein the active rod and the connecting rod are respectively arranged at two ends of the bending piece and fixedly connected to the bending piece, the suturing needle assembly is connected to an end of the connecting rod away from the bending piece, and the main control mechanism is cooperatively connected to an end of the active rod away from the bending piece; The suturing end portion comprises a suturing end body of a hollow structure, one end of the suturing end body is bent, one end of the suturing end body is provided with a through groove in which the suturing needle assembly can be inserted and fixed for suturing damaged tissue, a fixing groove is provided on the groove wall of the through groove, and the bent end of the suturing end body is fixedly connected to the fixing tube; The suture thread fixing assembly includes a wire drum assembly, a wire drum positioning cylinder, a fixing fastener and a connecting piece, wherein the wire drum positioning cylinder is sleeved on the fixing cylinder, the fixing fastener is fixed on the wire drum positioning cylinder, the wire drum assembly is passed through the fixing fastener and connected to the fixing fastener through the connecting piece; The main control mechanism comprises a housing component having a gripping handle, and one end of the wire drum positioning cylinder is arranged between the fixing cylinder and the housing component.

2. The integrated surgical stapler according to claim 1, characterized in that: The suture needle assembly comprises a push rod needle and a push rod cap. The push rod cap is sleeved on the end of the push rod needle, and the bottom of the push rod needle is connected to a connecting rod.

3. The integrated surgical stapler according to claim 2, characterized in that: One end of the suturing end body is provided with a through groove into which the push rod needle can be inserted and fixed for suturing damaged tissues, and a fixing groove for fixing the push rod cap is provided on the groove wall of the through groove.

4. The integrated surgical stapler according to claim 3, characterized in that: The bottom of the suture end body is provided with a slit for positioning the suture line.

5. The integrated surgical stapler according to claim 4, characterized in that: The bending angle of the suturing end body relative to the length direction of the fixing tube is 10 to 20 degrees.

6. The integrated surgical stapler according to claim 1, characterized in that: The wire drum assembly includes an upper drum body and a lower drum body, the upper drum body is fixedly connected to the lower drum body, the connecting piece is arranged in the upper drum body, and the upper drum body is connected to the fixing fastener through the connecting piece; a boss connection with a thread end embedding groove and used for winding the suture thread is arranged on the lower drum body.

7. The integrated surgical stapler according to any one of claims 1 to 6, characterized in that: The main control mechanism also includes a trigger and a tail end rotating assembly arranged outside the outer shell assembly. The tail end rotating assembly is cooperatively connected with one end of the active rod in the active rod assembly to fix or loosen the active rod. The trigger is fixedly connected to the active rod to push the active rod to move forward. The outer shell assembly is fixedly connected to the suture end body through a fixing tube.

8. The integrated surgical stapler according to claim 7, characterized in that: The main control mechanism further comprises a first elastic component arranged in the shell component, and the first elastic component is sleeved on the active rod for returning the active rod.

9. The integrated surgical stapler according to claim 8, characterized in that: The tail end rotating assembly comprises a tail end rotating part and a rotating fixed part. The tail end rotating part is sleeved on the rotating fixed part. One end of the active rod is cooperatively connected with the rotating fixed part.

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