Auxiliary structure of linear cutting anastomat

By designing an auxiliary structure for the linear cutting stapler, the problems of loose handle and slice deviation are solved, the stable fixation of the handle and the precise movement of the cutting connector are achieved, and the operational stability and cutting accuracy of the cutting stapler are improved.

CN223336156UActive Publication Date: 2025-09-16JIANGSU COOPWIN MED S&T CO LTD
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Patent Information

Application Number
CN202422243159.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-13
Publication Date
2025-09-16
Estimated Expiration
2034-09-13

AI Technical Summary

Technical Problem

During the use of the cutting stapler, shaking of the doctor's hand may cause the grip to loosen, the stapler head to loosen, and the slices to shift, affecting the cutting accuracy and efficiency.

Method used

An auxiliary structure of a linear cutting stapler is designed, including a fixing component and a transmission component. The fixing component fixes the handle, and the transmission component drives the cutting connector to move, preventing the cutting connector from tilting, thereby achieving stable fixation of the handle and precise movement of the cutting connector.

Benefits of technology

The stable fixation of the grip and the precise movement of the cutting connector are achieved, the operational stability and cutting accuracy of the cutting stapler are improved, and the loosening of the stapler head and the deviation of the slice are prevented.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of cutting anastomats, and discloses an auxiliary structure of a linear type cutting anastomat, which comprises a cutting anastomat and a fixing component, the cutting anastomat comprises an anastomosis head, an anastomat body, a grip and a cutting connecting piece, the right side of the anastomosis head is movably connected with the left side of the anastomat body, and the right side of the anastomosis head is movably connected with the right side of the anastomat body. And the surface of the grip is movably connected with the inner bottom of the device body. By arranging the cutting anastomat, the anastomosis head, the device body and other structural components, tissue anastomosis is conducted through the cutting anastomat, the grip is fixed through the fixing assembly, the threaded rod is driven to rotate through the transmission assembly, the cutting connecting piece is driven to move through the moving assembly, and the fixing piece is separated from the protruding block by moving the toothed plate; the effects of fixing and cutting the grip and conveniently moving the cutting connecting piece are achieved, and the problems that the grip is loosened, consequently, the anastomosis head is loosened, and the cutting piece may deviate in the moving process are solved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of cutting staplers, and in particular relates to an auxiliary structure of a linear cutting stapler. Background Art

[0002] A cutting stapler is a surgical instrument that integrates cutting and suturing functions. It can quickly and accurately cut and connect tissues during surgery in a disposable or reusable manner. It is widely used in many fields such as cardiovascular surgery, tumor surgery, general surgery, etc., especially in scenarios that require delicate operation and high efficiency.

[0003] During the use of the cutting stapler, the doctor pinches the handle and staples the tissue through the stapler head. After stapled tissue, the doctor needs to push the cutting connector to drive the slice to cut the tissue. During the tissue cutting process, the doctor needs to keep the handle fixed. The problem with the above technology is that when the doctor pushes the cutting connector to cut the tissue, the handle may become loose due to hand shaking, resulting in loosening of the stapler head and the slice may shift during movement. Utility Model Content

[0004] In view of the problems existing in the prior art, the present invention provides an auxiliary structure of a linear cutting stapler that can overcome the above problems or at least partially solve the above problems.

[0005] The utility model is achieved in this way: an auxiliary structure of a linear cutting stapler comprises a cutting stapler and a fixing assembly, wherein the cutting stapler comprises a stapler head, a device body, a handle and a cutting connecting piece, the right side of the stapler head is movably connected to the left side of the device body, the surface of the handle is movably connected to the bottom inside the device body, the surface of the cutting connecting piece is movably connected to the inside of the device body, the fixing assembly comprises a protrusion, a rotating shaft, a fixing piece and a plurality of fixing tension springs, the left side of the protrusion is fixedly connected to the right side of the handle, the front and rear sides of the rotating shaft are respectively fixedly connected to the front and rear sides inside the device body, the interior of the fixing piece is movably connected to the surface of the rotating shaft, the surface of the fixing piece is movably connected to the interior of the device body, the sides of the fixing piece close to the plurality of fixing tension springs are fixedly connected to the tops of the plurality of fixing tension springs, the bottoms of the plurality of fixing tension springs are fixedly connected to the device body, and the surface of the fixing piece can be plugged into the interior of the protrusion;

[0006] The cutting and stapling device is used to anastomose tissues to achieve rapid hemostasis;

[0007] The fixing assembly is used to fix the handle.

[0008] In order to move the cutting connection piece, preferably, a mounting box is fixedly connected to the bottom of the device body, a fixed block is fixedly connected to the right side of the device body, a transmission assembly is provided inside the mounting box, and a moving assembly is provided on the top of the device body. The cutting connection piece is used to drive the slice inside the cutting anastomosis device to move, and the cutting connection piece is driven to move by the moving assembly, thereby driving the slice to move.

[0009] In order to facilitate cutting of tissue, preferably, the transmission assembly includes a transmission motor, a transmission gear and a connecting gear. The top of the transmission motor is fixedly connected to the top inside the installation box, the left side of the transmission gear is fixedly connected to the right side of the output end of the transmission motor, the inside of the connecting gear is movably connected to the surface of the fixed block, and the surface of the connecting gear is meshed with the surface of the transmission gear. Through the transmission motor, the output end of the transmission motor drives the transmission gear to rotate, and the transmission gear drives the connecting gear to rotate during the rotation, and the connecting gear drives the two threaded rods to rotate during the rotation.

[0010] In order to drive the cutting connection to move, preferably, the moving assembly includes two fixed plates, two threaded rods and two moving gears. The interiors of the two fixed plates are fixedly connected to the left and right sides of the surface of the device body respectively, and the two threaded rods are movably connected to the interiors of the two fixed plates on one side close to the two fixed plates. The left sides of the two moving gears are fixedly connected to the right sides of the two threaded rods, and the surfaces of the two moving gears are meshed with the surfaces of the connecting gears. The surfaces of the two threaded rods are threadedly connected to the cutting connection. During the rotation of the connecting gear, the two threaded rods are driven to rotate through the two moving gears, and during the rotation of the two threaded rods, the cutting connection is driven to move to the left.

[0011] In order to facilitate the movement of the fixed handle, preferably, the surface of the fixing part is meshedly connected with a movable tooth plate, the surface of the movable tooth plate is movably connected to the interior of the device body, the front and rear sides of the movable tooth plate are fixedly connected with connecting rods, and the surfaces of the two connecting rods are slidingly connected to the front and rear sides of the interior of the device body respectively. By moving the movable tooth plate downward, the fixing part is driven to rotate around the rotating shaft during the movement of the movable tooth plate, so that the rotating shaft is out of contact with the protrusion, thereby moving the handle.

[0012] In order to prevent the cutting connection piece from tilting during movement, preferably, a plurality of sliding rods are fixedly connected to the right side of the fixed plate on the left, the right sides of the plurality of sliding rods are fixedly connected to the left side of the fixed plate on the right, and the surfaces of the plurality of sliding rods are slidably connected to the interior of the cutting connection piece. The moving direction of the cutting connection piece is limited by the plurality of sliding rods to prevent the cutting connection piece from tilting during movement.

[0013] In order to keep the movable tooth plate in close contact with the fixed part, preferably, the front and rear sides of the interior of the movable tooth plate are slidably connected to limit rods, and the top and bottom of the two limit rods are fixedly connected to the interior of the device body. The position of the movable tooth plate is limited by the two limit rods to prevent the movable tooth plate from shifting, thereby keeping the movable tooth plate in close contact with the fixed part.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0015] The utility model provides structural components such as a cutting stapler, a stapler head, a device body and a handle, and achieves rapid hemostasis by anastomosing tissues through the cutting stapler. The handle is fixed by a fixing assembly, the threaded rod is driven to rotate by a transmission assembly, the cutting connector is driven to move by a moving assembly, and the fixing member is disengaged from the protrusion by moving the tooth plate, thereby achieving the effect of fixing and cutting the handle and facilitating the movement of the cutting connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the three-dimensional structure provided by an embodiment of the utility model;

[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the device provided by the embodiment of the utility model;

[0018] Figure 3 The embodiment of the present utility model provides Figure 2 A magnified view of the three-dimensional structure at point A in the middle;

[0019] Figure 4 It is a three-dimensional schematic diagram of a local structure provided by an embodiment of the present utility model.

[0020] In the figure: 1. Cutting stapler; 101. Stapler head; 102. Device body; 103. Handle; 104. Cutting connector; 2. Fixing assembly; 201. Bump; 202. Rotating shaft; 203. Fixing piece; 204. Fixing spring; 3. Mounting box; 4. Fixing block; 5. Transmission assembly; 501. Transmission motor; 502. Transmission gear; 503. Connecting gear; 6. Moving assembly; 601. Fixed plate; 602. Threaded rod; 603. Moving gear; 7. Moving tooth plate; 8. Connecting rod; 9. Sliding rod; 10. Limiting rod. DETAILED DESCRIPTION

[0021] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0022] The structure of the present utility model is described in detail below with reference to the accompanying drawings.

[0023] like Figures 1 to 4As shown, an auxiliary structure of a linear cutting stapler provided by an embodiment of the present invention includes a cutting stapler 1 and a fixing assembly 2. The cutting stapler 1 includes a stapler head 101, a device body 102, a handle 103 and a cutting connector 104. The right side of the stapler head 101 is movably connected to the left side of the device body 102, the surface of the handle 103 is movably connected to the bottom inside the device body 102, the surface of the cutting connector 104 is movably connected to the inside of the device body 102, the fixing assembly 2 includes a protrusion 201, a rotating shaft 202, a fixing member 203 and a plurality of fixed tension springs 204. The left side of the protrusion 201 is fixedly connected to the right side of the handle 103, the front and rear sides of the rotating shaft 202 are fixedly connected to the front and rear sides of the device body 102 respectively, and the fixing member 203 is movably connected to the inside of the device body 102. The interior is movably connected to the surface of the rotating shaft 202, the surface of the fixing part 203 is movably connected to the interior of the device body 102, the side of the fixing part 203 close to the multiple fixed tension springs 204 is fixedly connected to the top of the multiple fixed tension springs 204, the bottoms of the multiple fixed tension springs 204 are fixedly connected to the device body 102, and the surface of the fixing part 203 can be plugged into the interior of the protrusion 201; the cutting anastomosis device 1 is used to anastomose tissue to achieve rapid hemostasis; the fixing component 2 is used to fix the handle 103. In order to move the cutting connector 104, the bottom of the device body 102 is fixedly connected to the installation box 3, the right side of the device body 102 is fixedly connected to the fixing block 4, the interior of the installation box 3 is provided with a transmission component 5, and the top of the device body 102 is provided with a moving The moving component 6 and the cutting connecting member 104 are used to drive the slice inside the cutting stapler 1 to move. The cutting connecting member 104 is driven to move by the moving component 6, thereby driving the slice to move. In order to facilitate the cutting of the tissue, the transmission component 5 includes a transmission motor 501, a transmission gear 502 and a connecting gear 503. The top of the transmission motor 501 is fixedly connected to the top inside the installation box 3, the left side of the transmission gear 502 is fixedly connected to the right side of the output end of the transmission motor 501, the interior of the connecting gear 503 is movably connected to the surface of the fixed block 4, the surface of the connecting gear 503 is meshed with the surface of the transmission gear 502, and the output end of the transmission motor 501 drives the transmission gear 502 to rotate, and the transmission gear 502 During the rotation, the connecting gear 503 is driven to rotate, and during the rotation of the connecting gear 503, the two threaded rods 602 are driven to rotate. In order to drive the cutting connecting piece 104 to move, the moving assembly 6 includes two fixed plates 601, two threaded rods 602 and two moving gears 603. The interiors of the two fixed plates 601 are fixedly connected to the left and right sides of the surface of the device body 102 respectively. The sides of the two threaded rods 602 close to the two fixed plates 601 are movably connected to the interiors of the two fixed plates 601. The left sides of the two moving gears 603 are fixedly connected to the right sides of the two threaded rods 602. The surfaces of the two moving gears 603 are meshed with the surfaces of the connecting gear 503. The surfaces of the two threaded rods 602 are threadedly connected to the cutting connecting piece 104.During the rotation of the connecting gear 503, the two threaded rods 602 are driven to rotate through the two moving gears 603. During the rotation of the two threaded rods 602, the cutting connecting piece 104 is driven to move to the left. In order to facilitate the movement of the fixed handle 103, the surface of the fixing piece 203 is meshed with the moving tooth plate 7. The surface of the moving tooth plate 7 is movably connected to the inside of the device body 102. The front and rear sides of the moving tooth plate 7 are fixedly connected with the connecting rod 8. The surfaces of the two connecting rods 8 are respectively slidably connected to the front and rear sides of the inside of the device body 102. By moving the moving tooth plate 7 downward, the fixing piece 203 is driven to rotate around the rotating shaft 202 during the movement of the moving tooth plate 7, so that the rotating shaft 202 is out of contact with the protrusion 201, thereby moving the handle 103. In order to prevent the cutting connecting piece 1 from being cut, the fixing piece 203 is engaged with the moving tooth plate 7. 04 tilts during the movement, and the right side of the left fixed plate 601 is fixedly connected to a plurality of sliding bars 9. The right sides of the plurality of sliding bars 9 are fixedly connected to the left side of the right fixed plate 601. The surfaces of the plurality of sliding bars 9 are slidably connected to the inside of the cutting connection piece 104. The plurality of sliding bars 9 limit the movement direction of the cutting connection piece 104 to prevent the cutting connection piece 104 from tilting during the movement. In order to keep the movable tooth plate 7 in close contact with the fixed piece 203, the front and rear sides of the movable tooth plate 7 are slidably connected to the limit rods 10. The top and bottom of the two limit rods 10 are fixedly connected to the inside of the device body 102. The position of the movable tooth plate 7 is limited by the two limit rods 10 to prevent the movable tooth plate 7 from deflecting, thereby keeping the movable tooth plate 7 in close contact with the fixed piece 203.

[0024] The working principle of this utility model:

[0025] When cutting and stapling tissue, the stapling head 101 is moved to the periphery of the tissue, and the handle 103 is moved to the right to drive the stapling head 101 to stapling the tissue. During the movement of the handle 103, the protrusion 201 is moved, and the protrusion 201 contacts and squeezes the fixing part 203. The fixing part 203 moves upward, causing the fixing part 203 to rotate around the rotating shaft 202, and multiple fixed tension springs 204 are deformed. After the handle 103 moves to a fixed position, the multiple fixed tension springs 204 rebound, driving the fixing part 203 to reset, and the fixing part 203 is inserted into the inside of the protrusion 201 to limit the movement of the protrusion 201, so that the handle 103 is fixed and stable, and the transmission motor is started. Machine 501, the output end of the transmission motor 501 drives the transmission gear 502 to rotate, and the transmission gear 502 drives the connecting gear 503 to rotate during the rotation. The connecting gear 503 drives the two threaded rods 602 to rotate through the two moving gears 603 during the rotation. The two threaded rods 602 drive the cutting connecting piece 104 to move to the left during the rotation, thereby cutting the tissue. When removing the cutting stapler 1, the moving tooth plate 7 is moved downward. During the movement of the moving tooth plate 7, the fixing piece 203 is driven to rotate around the rotating shaft 202, so that the rotating shaft 202 is disengaged from the protrusion 201, thereby moving the handle 103, and thus taking out the cutting stapler 1.

[0026] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0027] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technician familiar with this patent will not depart from the scope of the technical solution of the present invention.

Claims

1. An auxiliary structure for a linear cutting stapler, comprising a cutting stapler (1) and a fixing assembly (2), characterized in that: The cutting stapler (1) comprises a stapler head (101), a device body (102), a handle (103) and a cutting connector (104), wherein the right side of the stapler head (101) is movably connected to the left side of the device body (102), the surface of the handle (103) is movably connected to the bottom inside the device body (102), the surface of the cutting connector (104) is movably connected to the inside of the device body (102), and the fixing assembly (2) comprises a protrusion (201), a rotating shaft (202), a fixing member (203) and a plurality of fixing tension springs (204), wherein the left side of the protrusion (201) is movably connected to the right side of the handle (103). The front and rear sides of the rotating shaft (202) are respectively fixedly connected to the front and rear sides of the interior of the device body (102); the interior of the fixing member (203) is movably connected to the surface of the rotating shaft (202); the surface of the fixing member (203) is movably connected to the interior of the device body (102); the side of the fixing member (203) close to the multiple fixed tension springs (204) is fixedly connected to the top of the multiple fixed tension springs (204); the bottoms of the multiple fixed tension springs (204) are fixedly connected to the device body (102); and the surface of the fixing member (203) can be plug-connected to the interior of the protrusion (201); The cutting anastomosis device (1) is used to anastomose tissues to achieve rapid hemostasis; The fixing assembly (2) is used to fix the handle (103).

2. The auxiliary structure of the linear cutting stapler according to claim 1, characterized in that: The bottom of the device body (102) is fixedly connected to a mounting box (3), the right side of the device body (102) is fixedly connected to a fixing block (4), a transmission assembly (5) is provided inside the mounting box (3), and a moving assembly (6) is provided on the top of the device body (102).

3. The auxiliary structure of the linear cutting stapler according to claim 2, characterized in that: The transmission assembly (5) comprises a transmission motor (501), a transmission gear (502) and a connecting gear (503); the top of the transmission motor (501) is fixedly connected to the top of the interior of the installation box (3); the left side of the transmission gear (502) is fixedly connected to the right side of the output end of the transmission motor (501); the interior of the connecting gear (503) is movably connected to the surface of the fixed block (4); and the surface of the connecting gear (503) is meshedly connected to the surface of the transmission gear (502).

4. The auxiliary structure of the linear cutting stapler according to claim 3, characterized in that: The moving assembly (6) comprises two fixed plates (601), two threaded rods (602) and two moving gears (603). The interiors of the two fixed plates (601) are fixedly connected to the left and right sides of the surface of the device body (102) respectively. The sides of the two threaded rods (602) close to the two fixed plates (601) are movably connected to the interiors of the two fixed plates (601). The left sides of the two moving gears (603) are fixedly connected to the right sides of the two threaded rods (602). The surfaces of the two moving gears (603) are meshed with the surface of the connecting gear (503). The surfaces of the two threaded rods (602) are threadedly connected to the cutting connector (104).

5. The auxiliary structure of the linear cutting stapler according to claim 1, characterized in that: The surface of the fixing member (203) is meshedly connected with a movable tooth plate (7), and the surface of the movable tooth plate (7) is movably connected to the interior of the device body (102). The front and rear sides of the movable tooth plate (7) are fixedly connected with connecting rods (8), and the surfaces of the two connecting rods (8) are respectively slidably connected to the front and rear sides of the interior of the device body (102).

6. The auxiliary structure of the linear cutting stapler according to claim 4, characterized in that: A plurality of slide bars (9) are fixedly connected to the right side of the left fixed plate (601), the right sides of the plurality of slide bars (9) are fixedly connected to the left side of the right fixed plate (601), and the surfaces of the plurality of slide bars (9) are slidably connected to the inside of the cutting connector (104).

7. The auxiliary structure of the linear cutting stapler according to claim 5, characterized in that: The front and rear sides of the movable tooth plate (7) are both slidably connected to the limiting rods (10), and the tops and bottoms of the two limiting rods (10) are both fixedly connected to the interior of the device body (102).