Auxiliary gripper for endoscopic submucosal dissection

Abstract

The utility model discloses an auxiliary gripper for endoscopic submucosal dissection, which comprises a connecting tube and a grip, the grip is mounted on the surface of the connecting tube, a hose communicated with the connecting tube is mounted at the top of the connecting tube, a gripping head and a connection adjusting mechanism are mounted on the hose, the connection adjusting mechanism is arranged at the top of the grip, and the gripping head is connected with the grip. And the connecting adjusting mechanism comprises an annular shell, the annular shell is installed on the surface of the connecting pipe and located at the top of the grip, and first pulleys are installed on the left side and the right side of the inner wall of the annular shell correspondingly. Through mutual cooperation of the annular shell, the first pulley, the second pulley, the first traction rope, the second traction rope, the moving block, the fixed plate, the threaded rod, the rotating block, the threaded block, the adjusting block, the fixed rod, the movable plate, the check block and the elastic piece, the angle of the gripper in use can be adjusted according to needs, the adjusting process is simple and convenient, and the working efficiency is improved. And the flexibility and the applicability during use are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of stripping clamps, in particular to an auxiliary gripper used for endoscopic submucosal stripping. Background Art

[0002] Endoscopic removal has been accepted as the first choice for the treatment of early-stage gastrointestinal cancer due to its less invasiveness and lower cost. Endoscopic submucosal dissection allows en bloc removal and accurate histopathological diagnosis regardless of the size, presence of severe fibrosis in the submucosal layer, and location of the lesion. Endoscopic submucosal dissection usually requires the use of auxiliary graspers for manipulation.

[0003] According to application number: CN202180038961.X, a surgical system for performing endoscopic submucosal dissection includes a first surgical clamp and a second surgical clamp, each surgical clamp having a first jaw member and a second jaw member for grasping tissue therebetween.

[0004] The clamp in the above case cannot adjust the angle of the grasping head when in use as needed, and thus cannot effectively adjust the angle of the grasping head when in use, which reduces the flexibility during use. For this reason, we provide an auxiliary grasping hand for endoscopic submucosal dissection. Utility Model Content

[0005] The utility model aims to provide an auxiliary gripper for endoscopic submucosal dissection to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: an auxiliary gripper for endoscopic submucosal dissection, comprising:

[0007] Connecting pipe;

[0008] A handle, the handle is mounted on the surface of the connecting pipe, a hose connected to the connecting pipe is mounted on the top of the connecting pipe, and a gripping head is mounted on the hose;

[0009] The connection adjustment mechanism is arranged at the top of the handle, and the connection adjustment mechanism includes an annular shell, which is installed on the surface of the connecting pipe and located at the top of the handle, and the first pulleys are installed on both sides of the left and right sides of the inner wall of the annular shell.

[0010] Preferably, second pulleys are installed on both left and right sides of the top of the inner wall of the annular shell, a first traction rope is installed on the left side of the bottom of the grabbing head, and a second traction rope is installed on the right side of the bottom of the grabbing head.

[0011] Preferably, the bottom ends of the first traction rope and the second traction rope respectively penetrate the annular shell, the second pulley and the first pulley from top to bottom and extend to the outside of the first pulley.

[0012] Preferably, a moving block is installed at the bottom end of the first traction rope, a fixed plate is installed on the left side of the inner wall of the annular shell, a threaded rod is movably connected to the groove at the bottom of the fixed plate through a bearing, the bottom end of the threaded rod passes through the annular shell and the handle from top to bottom and extends to the outside of the handle, and a rotating block is installed at the bottom end of the threaded rod.

[0013] Preferably, a threaded block is threadedly connected to the surface of the threaded rod, an adjusting block is installed on the top of the threaded block, the top of the adjusting block passes through the fixed plate and extends to the outside thereof, and the top of the adjusting block is fixedly connected to the bottom of the moving block.

[0014] Preferably, a fixing rod is installed on the right side of the bottom of the inner wall of the annular shell, a movable plate is slidably connected to the surface of the fixing rod, and the top of the movable plate is fixedly connected to the bottom end of the second traction rope.

[0015] Preferably, a stopper is installed on the top end of the fixing rod, and an elastic member is sleeved on the surface of the fixing rod, and the elastic member is made of a spring.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0017] The utility model can adjust the angle of the grab head when in use as needed through the mutual cooperation of the annular shell, the first pulley, the second pulley, the first traction rope, the second traction rope, the moving block, the fixed plate, the threaded rod, the rotating block, the threaded block, the adjusting block, the fixed rod, the movable plate, the stopper and the elastic member, and the adjustment process is simple and convenient, thereby improving the flexibility and applicability when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural cross-sectional view of the front view of the first embodiment of the utility model;

[0019] Figure 2 It is a structural cross-sectional view of the front view of the annular shell of the first embodiment of the utility model;

[0020] Figure 3 It is a schematic diagram of the three-dimensional structure of the utility model;

[0021] Figure 4 It is a structural cross-sectional view of the front view of the second embodiment of the utility model;

[0022] Figure 5 This is a structural cross-sectional view of the front view of the annular shell of the second embodiment of the present invention.

[0023] In the figure: 1 connecting pipe, 11 handle, 12 hose, 13 grab head, 2 connecting adjustment mechanism, 21 annular shell, 22 first pulley, 23 second pulley, 24 first traction rope, 25 second traction rope, 26 moving block, 27 fixed plate, 28 threaded rod, 29 rotating block, 210 threaded block, 211 adjusting block, 212 fixed rod, 213 movable plate, 214 stopper, 215 elastic member, 41 moving plate, 42 pull rod, 43 pull block. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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] Embodiment 1

[0026] See also Figure 1-Figure 5 An auxiliary gripper for endoscopic submucosal dissection includes: a connecting tube 1 and a gripping handle 11, the gripping handle 11 is installed on the surface of the connecting tube 1, the top of the connecting tube 1 is fixedly connected to a hose 12 which is interconnected with the connecting tube 1, the hose 12 is fixedly connected to a gripping head 13, a pull ring is provided at the bottom of the gripping handle 11, and the top of the pull ring is connected to the gripping head 13 through a traction rope.

[0027] The connecting and adjusting mechanism 2 is arranged at the top of the handle 11. The connecting and adjusting mechanism 2 includes an annular shell 21, which is installed on the surface of the connecting tube 1 and located at the top of the handle 11. The left and right sides of the inner wall of the annular shell 21 are fixedly connected with the first pulley 22, and the left and right sides of the top of the inner wall of the annular shell 21 are fixedly connected with the second pulley 23. The left side of the bottom of the grab head 13 is fixedly connected with the first traction rope 24, and the right side of the bottom of the grab head 13 is fixedly connected with the second traction rope 25. The bottom ends of the first traction rope 24 and the second traction rope 25 respectively penetrate the annular shell 21, the second pulley 23 and the first pulley 22 from top to bottom and extend to the outside of the first pulley 22. The bottom end of the first traction rope 24 is fixedly connected with a moving block 26, and the left side of the inner wall of the annular shell 21 is fixedly connected with a fixing plate 27. A threaded rod 28 is movably connected in the groove at the bottom of the fixing plate 27 through a bearing. The bottom ends of the threaded rod 28 penetrate the annular shell 21 and the handle 11 from top to bottom and extend to On the outside of the handle 11, the bottom end of the threaded rod 28 is fixedly connected to a rotating block 29, and the surface of the threaded rod 28 is threadedly connected to a threaded block 210, and the side of the threaded block 210 close to the inner wall of the annular shell 21 is in sliding contact with the inner wall of the annular shell 21, and the top of the threaded block 210 is in contact with the bottom of the fixed plate 27. The top of the threaded block 210 is fixedly connected to an adjusting block 211, and the top of the adjusting block 211 passes through the fixed plate 27 and extends to the outside thereof, and the top of the adjusting block 211 is in contact with the moving block 26. The bottom of the annular shell 21 is fixedly connected, the right side of the bottom of the inner wall of the annular shell 21 is fixedly connected with a fixing rod 212, the surface of the fixing rod 212 is slidably connected with a movable plate 213, the side of the movable plate 213 close to the inner wall of the annular shell 21 is in sliding contact with the inner wall of the annular shell 21, the top of the movable plate 213 is fixedly connected to the bottom end of the second traction rope 25, the top of the fixing rod 212 is fixedly connected with a stopper 214, the surface of the fixing rod 212 is sleeved with an elastic member 215, and the elastic member 215 is made of a spring.

[0028] Specifically, the rotating block 29 is rotated, and the rotating block 29 drives the threaded rod 28 to rotate, and the threaded rod 28 drives the threaded block 210 to move downward, and the threaded block 210 drives the moving block 26 to move downward through the adjusting block 211, and the moving block 26 drives the hose 12 and the grab head 13 to tilt to the left through the first traction rope 24, and the grab head 13 stretches the second traction rope 25 upward to move, and the second traction rope 25 drives the movable plate 213 to squeeze the elastic member 215 upward to move, thereby changing the angle of the grab head 13 when in use.

[0029] Through the mutual cooperation of the annular shell 21, the first pulley 22, the second pulley 23, the first traction rope 24, the second traction rope 25, the moving block 26, the fixed plate 27, the threaded rod 28, the rotating block 29, the threaded block 210, the adjustment block 211, the fixed rod 212, the movable plate 213, the stopper 214 and the elastic member 215, the angle of the grab head 13 during use can be adjusted as needed, and the adjustment process is simple and convenient, thereby improving the flexibility and applicability during use.

[0030] Embodiment 2

[0031] See also Figure 1-Figure 5 An auxiliary gripper for endoscopic submucosal dissection includes: a connecting tube 1 and a gripping handle 11, the gripping handle 11 is installed on the surface of the connecting tube 1, the top of the connecting tube 1 is fixedly connected to a hose 12 which is interconnected with the connecting tube 1, the hose 12 is fixedly connected to a gripping head 13, a pull ring is provided at the bottom of the gripping handle 11, and the top of the pull ring is connected to the gripping head 13 through a traction rope.

[0032] The connection adjustment mechanism 2 is arranged at the top of the handle 11. The connection adjustment mechanism 2 includes an annular shell 21, which is installed on the surface of the connecting tube 1 and located at the top of the handle 11. The left and right sides of the inner wall of the annular shell 21 are fixedly connected with the first pulley 22, and the left and right sides of the top of the inner wall of the annular shell 21 are fixedly connected with the second pulley 23. The left side of the bottom of the grab head 13 is fixedly connected with the first traction rope 24, and the right side of the bottom of the grab head 13 is fixedly connected with the second traction rope 25. The bottom end of the first traction rope 24 and the bottom end of the second traction rope 25 respectively penetrate the annular shell 21, the second pulley 23 and the first pulley 22 from top to bottom and extend to the outside of the first pulley 22. The bottom end of the first traction rope 24 is fixedly connected with a moving block 26, and the left side of the inner wall of the annular shell 21 is fixedly connected with a moving plate 41, and the bottom of the moving plate 41 is installed with A pull rod 42, the bottom end of which passes through the annular shell 21 and the handle 11 from top to bottom in sequence and extends to the outside of the handle 11, a pull block 43 is fixedly connected to the bottom end of the pull rod 42, an adjusting block 211 is fixedly connected to the top of the movable plate 41, the top of the adjusting block 211 passes through the fixed plate 27 and extends to the outside thereof, the top of the adjusting block 211 is fixedly connected to the bottom of the movable block 26, a fixed rod 212 is fixedly connected to the right side of the bottom of the inner wall of the annular shell 21, a movable plate 213 is slidably connected to the surface of the fixed rod 212, a side of the movable plate 213 close to the inner wall of the annular shell 21 is in sliding contact with the inner wall of the annular shell 21, the top of the movable plate 213 is fixedly connected to the bottom end of the second traction rope 25, a stopper 214 is fixedly connected to the top of the fixed rod 212, an elastic member 215 is sleeved on the surface of the fixed rod 212, and the elastic member 215 is made of a spring.

[0033] Specifically, the pull block 43 is pulled downward, the pull block 43 drives the pull rod 42 to move downward, the pull rod 42 drives the movable plate 41 to move downward, the movable plate 41 drives the movable block 26 to move downward through the adjustment block 211, the movable block 26 drives the hose 12 and the grab head 13 to tilt to the left through the first traction rope 24, the grab head 13 stretches the second traction rope 25 upward to move, the second traction rope 25 drives the movable plate 213 to squeeze the elastic member 215 upward to move, thereby changing the angle of the grab head 13 when in use.

[0034] It can be seen from the above two embodiments that embodiment 1 has a positioning effect after adjusting the angle of the gripping head 13, but the adjustment speed is relatively slow. Embodiment 1 can quickly adjust the angle of the gripping head 13 when in use, but does not have a positioning effect, resulting in the gripping head 13 moving.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An auxiliary gripper for endoscopic submucosal dissection, characterized in that: include: Connecting pipe (1); A handle (11), the handle (11) being mounted on the surface of the connecting pipe (1), a hose (12) being mounted on the top of the connecting pipe (1) and being in communication with the connecting pipe (1), and a gripping head (13) being mounted on the hose (12); A connection adjustment mechanism (2), the connection adjustment mechanism (2) being arranged on the top of the handle (11), the connection adjustment mechanism (2) comprising an annular shell (21), the annular shell (21) being mounted on the surface of the connection tube (1) and located on the top of the handle (11), and first pulleys (22) being mounted on both left and right sides of the inner wall of the annular shell (21).

2. The auxiliary gripper for endoscopic submucosal dissection according to claim 1, characterized in that: Second pulleys (23) are installed on both left and right sides of the top of the inner wall of the annular shell (21), a first traction rope (24) is installed on the left side of the bottom of the grab head (13), and a second traction rope (25) is installed on the right side of the bottom of the grab head (13).

3. The auxiliary gripper for endoscopic submucosal dissection according to claim 2, characterized in that: The bottom ends of the first traction rope (24) and the second traction rope (25) respectively penetrate the annular shell (21), the second pulley (23) and the first pulley (22) from top to bottom and extend to the outside of the first pulley (22).

4. The auxiliary gripper for endoscopic submucosal dissection according to claim 3, characterized in that: A moving block (26) is installed at the bottom end of the first traction rope (24), a fixing plate (27) is installed on the left side of the inner wall of the annular shell (21), a threaded rod (28) is movably connected to the groove at the bottom of the fixing plate (27) via a bearing, the bottom end of the threaded rod (28) passes through the annular shell (21) and the handle (11) from top to bottom and extends to the outside of the handle (11), and a rotating block (29) is installed at the bottom end of the threaded rod (28).

5. The auxiliary gripper for endoscopic submucosal dissection according to claim 4, characterized in that: A threaded block (210) is threadedly connected to the surface of the threaded rod (28); an adjusting block (211) is mounted on the top of the threaded block (210); the top of the adjusting block (211) penetrates the fixed plate (27) and extends to the outside thereof; the top of the adjusting block (211) is fixedly connected to the bottom of the moving block (26).

6. The auxiliary gripper for endoscopic submucosal dissection according to claim 5, characterized in that: A fixing rod (212) is installed on the right side of the bottom of the inner wall of the annular shell (21), a movable plate (213) is slidably connected to the surface of the fixing rod (212), and the top of the movable plate (213) is fixedly connected to the bottom end of the second traction rope (25).

7. The auxiliary gripper for endoscopic submucosal dissection according to claim 6, characterized in that: A stopper (214) is installed at the top end of the fixing rod (212), and an elastic member (215) is sleeved on the surface of the fixing rod (212), wherein the elastic member (215) is made of a spring.

Images