Needle holder for endoscope suturing system

Abstract

The utility model relates to the technical field of medical instruments, in particular to a needle holder for an endoscope suturing system, which comprises a shell, a control rod, a chuck and a lantern ring, the lantern ring comprises a left ring strip and a right ring strip, the left ring strip and the right ring strip are combined to form a closed ring, an inserting strip is arranged at the end of the left ring strip, and the right ring strip is arranged at the end of the right ring strip. An inserting groove matched with the inserting strip is formed in the right ring strip, one end of the inserting strip is inserted into the inserting groove, and a fixing piece is arranged between the inserting strip and the inserting groove and used for fixing the inserting strip. According to the utility model, the diameter of the lantern ring can be adjusted according to the thickness of fingers of an operator, so that the lantern ring is matched with different users, the comfort of the operator and the user is improved, and the applicability is increased; and the fixing pieces are arranged in the left ring strip and the right ring strip, so that the occupied space can be reduced, the influence of a convex structure on an operator is avoided, the operation comfort is ensured, and the simplicity and attractiveness of the instrument are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to a needle holder for an endoscopic suturing system. Background Art

[0002] Laparoscopic surgery is a newly developed minimally invasive method and an inevitable trend in the development of surgical methods in the future. However, due to the limitation of space in the abdominal or thoracic cavity, minimally invasive surgical instruments must be relatively small and long to achieve precise operation. Suturing is undoubtedly the most difficult operation in minimally invasive abdominal surgery. The suturing process mainly uses medical instruments such as endoscopes, suture needles, barbed wires and needle holders.

[0003] A thumb ring is provided at one end of the existing needle holder, and the operator's thumb is inserted into the thumb ring during use. However, due to different weights, the size of each operator's thumb is different, and the specifications of the thumb ring in the prior art are fixed, which may cause discomfort to operators with large thumbs and affect the operation. Utility Model Content

[0004] The purpose of the utility model is to provide a needle holder for an endoscopic suturing system to solve the problems raised in the above-mentioned background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a needle holder for an endoscopic suturing system, comprising a shell, a joystick, a chuck and a ring, the shell is sleeved on the outside of the joystick, the two ends of the joystick extend to the two end portions of the shell, one end of the joystick is connected to the chuck, and the other end of the joystick is connected to the ring, the operator's finger is inserted into the ring to control the movement of the joystick, and the movement of the joystick can control the opening or closing of the chuck; the ring comprises a left ring bar and a right ring bar, the left ring bar and the right ring bar are combined to form a closed loop, a plug-in strip is provided at the end of the left ring bar, a plug-in groove matching the plug-in strip is provided in the right ring bar, one end of the plug-in strip is inserted into the plug-in groove, a fixing piece is provided between the plug-in strip and the plug-in groove, and the fixing piece is used to fix the plug-in strip.

[0006] In some examples of the utility model, the fixing part includes a fixing rod, one end of which is inserted into a connecting sleeve, a reset spring is provided inside the connecting sleeve, the reset spring is used to drive the fixing rod to automatically reset, a fixing plate is provided on the outer wall of the fixing rod, and the fixing plate is tightly fitted with the plug-in strip to fix the plug-in strip.

[0007] In some examples of the present invention, a groove is provided on the inner wall of the plug-in strip, the fixed plate is located in the groove, a plurality of fixed teeth 1 are provided on the outer wall of the fixed plate, and a plurality of fixed teeth 2 are provided on the side of the inner wall of the groove that is in contact with the fixed plate. When the fixed teeth 1 are engaged with the fixed teeth 2, the movement of the plug-in strip is restricted.

[0008] In some examples of the present invention, one end of the fixing rod passes through the plug-in slot, and a pressing block is provided at the end of the fixing rod.

[0009] In some examples of the present invention, one end of the left ring strip and one end of the right ring strip are both hinged to a connecting block, the connecting block is provided at an end of a handle, and the handle is provided at an end of the housing.

[0010] In some examples of the utility model, the chuck includes jaw 1 and jaw 2, wherein jaw 1 is fixedly connected to the shell, and jaw 2 is hinged to the shell. A hinged connecting rod is provided at one end of the shell, and one end of the connecting rod is hinged to the control rod.

[0011] The beneficial effects achieved by the utility model are:

[0012] 1. The utility model can adjust the diameter of the ring according to the thickness of the operator's fingers to match it with different users, improve the comfort of the operator and increase applicability; and the fixing parts are arranged inside the left ring strip and the right ring strip, which can reduce the occupied space, avoid the protruding structure from affecting the operator, ensure the comfort of operation, and improve the simplicity and aesthetics of the instrument. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This utility model Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0015] Figure 3 This utility model Figure 1 A schematic diagram of the enlarged structure at B in the middle;

[0016] Figure 4 It is a schematic diagram of the main cross-sectional structure of the utility model as a whole;

[0017] Figure 5 This utility model Figure 4 Schematic diagram of the enlarged structure at C in the middle;

[0018] Figure 6 This utility model Figure 5 Schematic diagram of the enlarged structure at D in the middle;

[0019] Figure 7 This utility model Figure 4 Schematic diagram of the enlarged structure at E in the middle;

[0020] In the figure: 1. housing; 2. joystick;

[0021] 3. chuck; 31. jaw 1; 32. jaw 2; 33. connecting rod;

[0022] 4. Ring; 41. Left ring strip; 42. Right ring strip; 43. Connecting strip; 44. Connecting groove; 45. Fixing piece; 451. Fixing rod; 452. Connecting sleeve; 453. Return spring; 454. Fixing plate; 455. Groove; 456. Fixing tooth 1; 457. Fixing tooth 2; 458. Pressing block; 459. Connecting block;

[0023] 5. Handle. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In the description of the present utility model, it is necessary to understand that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0028] See also Figure 1-Figure 4 The utility model provides a technical solution: a needle holder for an endoscopic suturing system, comprising a shell 1, a joystick 2, a chuck 3 and a collar 4, wherein the shell 1 is sleeved on the outside of the joystick 2, and the two ends of the joystick 2 extend to the two end portions of the shell 1, one end of the joystick 2 is connected to the chuck 3, and the other end of the joystick 2 is connected to the collar 4, and the operator's finger is inserted into the collar 4 to control the movement of the joystick 2, and the movement of the joystick 2 can control the opening or closing of the chuck 3; the collar 4 comprises a left ring strip 41 and a right ring strip 42, wherein the left ring strip 41 and the right ring strip 42 are combined to form a closed loop, a plug-in strip 43 is provided at the end of the left ring strip 41, and a plug-in groove 44 matching the plug-in strip 43 is provided in the right ring strip 42, and one end of the plug-in strip 43 is inserted into the plug-in groove 44, and a fixing member 45 is provided between the plug-in strip 43 and the plug-in groove 44, and the fixing member 45 is used to fix the plug-in strip 43.

[0029] Please continue to see Figure 5-6 As shown, according to one embodiment of the utility model, the fixing member 45 includes a fixing rod 451, one end of the fixing rod 451 is inserted into the interior of a connecting sleeve 452, a reset spring 453 is provided inside the connecting sleeve 452, and the reset spring 453 is used to drive the fixing rod 451 to automatically reset, and a fixing plate 454 is sleeved on the outer wall of the fixing rod 451, and the fixing plate 454 is tightly fitted with the plug-in strip 43 to fix the plug-in strip 43.

[0030] Specifically, when the fixing rod 451 is pressed, one end of the fixing rod 451 moves toward the inside of the connecting sleeve 452, thereby causing the reset spring 453 to deform. At this time, the fixing rod 451 drives the fixing plate 454 to move to a position separated from the plug-in strip 43, thereby releasing the fixing effect on the plug-in strip 43. At this time, the position of the plug-in strip 43 in the plug-in slot 44 can be changed by pulling. After the position of the plug-in strip 43 is adjusted, the pressed fixing rod 451 is released. Under the action of the rebound force generated by the deformation of the reset spring 453, the fixing rod 451 will automatically reset, and at the same time, it will drive the fixing plate 454 to reset, so that it is tightly fitted with the plug-in strip 43 again, thereby fixing the plug-in strip 43.

[0031] Please continue to see Figure 6 As shown, according to another embodiment of the utility model, the inner wall of the plug-in strip 43 is provided with a groove 455, the fixed plate 454 is located in the groove 455, and the outer wall of the fixed plate 454 is provided with a plurality of fixed teeth 456, and the inner wall of the groove 455 and the side in contact with the fixed plate 454 are provided with a plurality of fixed teeth 457, and after the fixed teeth 456 and the fixed teeth 457 are engaged with each other, the movement of the plug-in strip 43 is restricted; one end of the fixed rod 451 passes through the plug-in slot 44, and a pressing block 458 is provided at the end of the fixed rod 451; one end of the left ring strip 41 and the right ring strip 42 are both hinged to the connecting block 459, and the connecting block 459 is provided at the end of the handle 5, and the handle 5 is provided at the end of the outer shell 1.

[0032] Specifically, after the pressing block 458 is used to drive the fixing rod 451 to move downward, the fixing tooth 1 456 on the outer wall of the fixing plate 454 will separate from the fixing tooth 2 457, and the meshing state will be released. At this time, the distance between the plug-in strip 43 and the plug-in groove 44 can be adjusted, so that the distance between the left ring strip 41 and the right ring strip 42 can be adjusted to meet the operator's requirements. Then, after releasing the pressing block 458, the fixing plate 454 will automatically reset, thereby driving the fixing tooth 1 456 to mesh with the fixing tooth 2 457 again, thereby fixing the plug-in strip 43.

[0033] Furthermore, the plug-in strip 43 is inserted into the plug-in slot 44, and the fixing plate 454 is located in the groove 455 of the plug-in slot 44, so that the fixing tooth 1 456 and the fixing tooth 2 457 can be completely hidden and located inside the left ring strip 41 and the right ring strip 42, thereby reducing the occupied space and preventing the fixing tooth 1 456 and the fixing tooth 2 457 from protruding and affecting the operator.

[0034] Please continue to see Figure 3 and Figure 7As shown, according to another embodiment of the utility model, the chuck 3 includes a clamping jaw 1 31 and a clamping jaw 2 32, the clamping jaw 1 31 is fixedly connected to the housing 1, the clamping jaw 2 32 is hinged to the housing 1, and a hinged connecting rod 33 is provided at one end of the housing 1, and one end of the connecting rod 33 is hinged to the control rod 2.

[0035] Specifically, when the operating rod 2 is pulled by the ring 4, the operating rod 2 will drive one end of the connecting rod 33 to move and make it hinged, and the other end of the connecting rod 33 will pull the second clamping jaw 32 to move and make it hinged, thereby controlling one end of the second clamping jaw 32 to approach or move away from the first clamping jaw 31, thereby achieving the purpose of controlling the clamping head 3 to clamp the object.

[0036] Specific implementation method: The operator inserts a finger into the ring 4 and holds the handle at the same time, so that the ring 4 can be controlled to drive the control rod to move. The movement of the control rod can control the second clamping claw 32 to be hinged, so that the clamping claw can be controlled to clamp an object. Before use, the diameter of the ring 4 can be adjusted according to the thickness of the operator's finger to match it with different users and increase applicability.

[0037] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A needle holder for an endoscopic suturing system, characterized in that: The invention comprises a housing (1), a control rod (2), a chuck (3) and a collar (4), wherein the housing (1) is sleeved on the outside of the control rod (2), the two ends of the control rod (2) extend to the two end portions of the housing (1), one end of the control rod (2) is connected to the chuck (3), and the other end of the control rod (2) is connected to the collar (4), an operator inserts a finger into the collar (4) to control the movement of the control rod (2), and the movement of the control rod (2) can control the opening or closing of the chuck (3); The sleeve ring (4) comprises a left ring strip (41) and a right ring strip (42); the left ring strip (41) and the right ring strip (42) are combined to form a closed loop; a plug-in strip (43) is provided at the end of the left ring strip (41); a plug-in groove (44) matching the plug-in strip (43) is provided in the right ring strip (42); one end of the plug-in strip (43) is inserted into the plug-in groove (44); a fixing piece (45) is provided between the plug-in strip (43) and the plug-in groove (44); the fixing piece (45) is used to fix the plug-in strip (43).

2. The needle holder for an endoscopic suturing system according to claim 1, characterized in that: The fixing member (45) comprises a fixing rod (451), one end of which is inserted into the interior of a connecting sleeve (452), a reset spring (453) is arranged inside the connecting sleeve (452), and the reset spring (453) is used to drive the fixing rod (451) to automatically reset, and a fixing plate (454) is sleeved on the outer wall of the fixing rod (451), and the fixing plate (454) is tightly fitted with the plug-in strip (43) to fix the plug-in strip (43).

3. The needle holder for an endoscopic suturing system according to claim 2, characterized in that: The inner wall of the plug-in strip (43) is provided with a groove (455), the fixed plate (454) is located in the groove (455), the outer wall of the fixed plate (454) is provided with a plurality of first fixing teeth (456), and a side of the inner wall of the groove (455) that is in contact with the fixed plate (454) is provided with a plurality of second fixing teeth (457), and after the first fixing teeth (456) are meshed with the second fixing teeth (457), the movement of the plug-in strip (43) is restricted.

4. The needle holder for an endoscopic suturing system according to claim 2, characterized in that: One end of the fixing rod (451) passes through the insertion slot (44), and a pressing block (458) is provided at the end of the fixing rod (451).

5. The needle holder for an endoscopic suturing system according to claim 1, characterized in that: One end of the left ring strip (41) and the right ring strip (42) are both hinged to a connection block (459), and the connection block (459) is arranged at the end of a handle (5), and the handle (5) is arranged at the end of the housing (1).

6. The needle holder for an endoscopic suturing system according to claim 1, characterized in that: The chuck (3) comprises a first clamping jaw (31) and a second clamping jaw (32); the first clamping jaw (31) is fixedly connected to the housing (1); the second clamping jaw (32) is hinged to the housing (1); a hinged connecting rod (33) is provided at one end of the housing (1); one end of the connecting rod (33) is hinged to the control rod (2).

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