Laparoscope instrument forceps
By designing a laparoscopic instrument pliers including hollow pliers, connecting seats, clamp strips, sliding cavity, moving blocks, draw ropes and springs, the problem of inconvenient adjustment of pliers in the prior art is solved, rapid reset and force control of pliers are achieved, and convenience and efficiency of surgical operation are improved.
Patent Information
- Application Number
- CN202420927358.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-04-30
AI Technical Summary
The existing laparoscopic instrument forceps need to be adjusted many times during the operation. The forceps head cannot be reset quickly when adjusting. The forceps need to be pulled out and manually adjusted. This is inconvenient to use, which reduces the effectiveness of use and cannot meet the needs of clinical surgery.
A laparoscopic instrument pliers including hollow pliers, connecting seats, clamp strips, sliding cavity, moving blocks, draw ropes and springs are designed. By setting the clamp strip, the second handle, the spring, the first moving block, the second moving block and the draw rope, the rapid reset of the clamp strip is achieved, and the movement amount of the moving block is measured by the displacement sensor, indirectly judge the angle of the clamp strip, and control the force magnitude.
The rapid reset of the clamp head is achieved, the convenience and efficiency of operation are improved, and the needs of clinical surgery can be better met.
Smart Images
Figure CN222765219U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of laparoscopy, in particular to a laparoscopic instrument forceps. Background Art
[0002] Laparoscopy is an advanced device and instrument used in recent years for treatment and examination. Laparoscope is a medical device with a miniature camera. Laparoscopic surgery is a surgery performed using a laparoscope and related instruments. Laparoscopy is a minimally invasive surgery that does not require surgery and only requires a special instrument to operate a small hole. In the laparoscopic simulation surgery training system, laparoscopic instrument forceps are often used. Laparoscopic forceps need to contact the internal parts of the human body in the laparoscopic simulation surgery system.
[0003] Chinese utility model patent CN209168524U discloses a laparoscopic instrument forceps for laparoscopic simulated surgery, the laparoscopic instrument forceps includes two hand-held handles, a rotating knob, a forceps rod and a hand-held handle opening and closing angle acquisition module, the two hand-held handles are connected to the tail of the forceps rod through the rotating knob, the two hand-held handles can be opened and closed by pins, the forceps rod can be rotated by rotating the knob, the head of the forceps rod is fixed with a hand-held handle opening and closing angle acquisition module, the hand-held handle opening and closing angle acquisition module is used to collect the opening and closing angles of the two hand-held handles. In laparoscopic surgery, the instrument forceps need to be inserted into the laparoscope, and the medical staff open and close the instrument forceps through the two hand-held handles of the instrument forceps. The opening and closing angle of the instrument forceps is related to the force applied by the medical staff. The utility model adds an opening and closing angle acquisition module to the head of the traditional instrument forceps, which can detect the opening and closing angle of the instrument forceps, and then can detect the force applied by the medical staff, providing a reference for the medical staff to accurately apply force.
[0004] The inventor of the utility model discovered during laparoscopic surgery that existing laparoscopic forceps need to be adjusted multiple times during the surgery, and the forceps head cannot be quickly reset when adjusted. The laparoscopic forceps need to be pulled out and manually adjusted, which makes the laparoscopic forceps inconvenient to use, reduces the effectiveness of the use of the laparoscopic forceps, and cannot better meet the needs of clinical surgery. Utility Model Content
[0005] The utility model aims to provide an improved laparoscopic instrument forceps to solve the problems raised in the above-mentioned background technology that the existing laparoscopic instrument forceps need to be adjusted many times during the operation, the forceps head cannot be quickly reset when adjusted, the laparoscopic instrument forceps need to be pulled out and manually adjusted, the laparoscopic instrument forceps are inconvenient to use, the use effect of the laparoscopic instrument forceps is reduced, and the use requirements of the laparoscopic instrument forceps cannot be met.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a laparoscopic instrument forceps, comprising a hand-held handle, and also comprising:
[0007] A hollow pliers rod, which is arranged on one side of the hand-held handle, a connecting seat is arranged on one side of the hollow pliers rod, and two ends of the hollow pliers rod are respectively fixedly connected to the hand-held handle and the connecting seat, a sliding cavity is arranged inside the connecting seat, a first moving block is arranged inside the sliding cavity, and the first moving block is slidably connected to the connecting seat, a clamping strip is arranged on one side of the connecting seat, and two clamping strips are arranged, and one end of the clamping strips extends into the interior of the sliding cavity, one end of the two clamping strips is rotatably connected to the first moving block, and through grooves are arranged on the two clamping strips, a sliding rod is arranged inside the sliding cavity, two sliding rods are arranged, and the sliding rod is fixedly connected to the connecting seat, the sliding rod and the through groove are arranged to penetrate, and the sliding rod is slidably connected to the clamping strip;
[0008] A telescopic cavity is arranged inside the hand-held handle, a second moving block is arranged inside the telescopic cavity, and the second moving block is slidably connected to the hand-held handle, a first handle is arranged below the hand-held handle, and the first handle is fixedly connected to the hand-held handle, a second handle is arranged on one side of the first handle, and one end of the second handle is rotatably connected to the second moving block, an elastic hinge is arranged between the second handle and the first handle, and the second handle is rotatably connected to the first handle through the elastic hinge;
[0009] A pull rope is arranged inside the hollow pliers rod, and the two ends of the pull rope are respectively fixedly connected to the first moving block and the second moving block, the pull rope is slidably connected to the hand handle, the hollow pliers rod and the connecting seat, a spring is arranged on one side of the first moving block, and the spring is arranged inside the sliding cavity, the spring is arranged outside the pull rope, and the two ends of the spring are respectively fitted with the connecting seat and the first moving block, and the spring is slidably connected to the pull rope.
[0010] Preferably, a first ball is provided on the side wall of the second moving block, and the first ball is rollingly connected to the second moving block, and the first ball is in contact with the inner wall of the telescopic cavity.
[0011] Preferably, arc grooves are provided on the inner walls of the two clamps, at least six arc grooves are provided, and the arc grooves are equidistantly arranged on the inner walls of the clamps, a cover plate is provided on one side of the connecting seat, and the cover plate is connected to the connecting seat by screws, rolling grooves are provided on the bottom of the connecting seat and the top of the cover plate, second balls are provided on the upper and lower ends of the first moving block, one end of the second ball extends to the inside of the rolling groove, and the second ball is rollingly connected to the first moving block, the connecting seat and the cover plate.
[0012] Preferably, the hollow clamp rod includes a first hollow rod and a second hollow rod, a connecting ring is provided at one end of the first hollow rod, and the connecting ring is fixedly connected to the first hollow rod, a connecting groove is provided at one end of the second hollow rod, and the connecting groove and the connecting ring are arranged correspondingly, the connecting ring is threadedly connected to the second hollow rod, and a joint is provided on the pull rope, and the joint is clamped with the pull rope.
[0013] Preferably, a displacement sensor is provided on one side of the first moving block and is fixedly connected to the first moving block, a display screen is provided above the hand-held handle and is fixedly connected to the hand-held handle, and the display screen and the displacement sensor are provided correspondingly.
[0014] Preferably, the first handle and the second handle are both provided with sweat-absorbing sleeves on the outside, and the sweat-absorbing sleeves are connected to the first handle and the second handle as a whole.
[0015] Compared with the prior art, the beneficial effects of the utility model are:
[0016] 1. The utility model device is provided with a clamping strip, a second handle, a spring, a first moving block, a second moving block and a pull rope. The second moving block is driven to move in the telescopic cavity by pressing the second handle. The second moving block is connected to the first moving block by a pull rope. As the second moving block moves, the first moving block is driven to slide in the sliding cavity synchronously. The sliding first moving block drives the two clamping strips to rotate and telescope synchronously, changing the angle between the two clamping strips. The spring applies a thrust to the first moving block. After releasing the second handle, the first moving block is pushed to quickly reset the two clamping strips.
[0017] 2. The utility model device is provided with a displacement sensor, which measures the movement of the first moving block, and indirectly determines the angle between the two clamps according to the movement of the first moving block, so as to facilitate the control of the force applied to the instrument clamp;
[0018] 3. The utility model device is provided with a connecting ring, a connecting groove and a joint. The connecting ring and the connecting groove connect the first hollow rod and the second hollow rod to form a hollow clamp rod, which can change the length of the hollow clamp rod. The joint is clamped with the pull rope, which can change the length of the pull rope accordingly to meet the use requirements of laparoscopic instrument forceps of different lengths. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0020] Figure 2 This is a diagram showing the connection relationship between the clamping strip and the connecting seat of the utility model;
[0021] Figure 3 A diagram showing the connection relationship between the first handle, the second handle and the hand-held handle of the utility model;
[0022] Figure 4 This is a diagram showing the connection relationship between the first moving block, the connecting seat and the cover plate of the utility model;
[0023] Figure 5 This is a connection diagram of the first hollow rod and the second hollow rod of the utility model.
[0024] In the figure: 1. Handle; 2. Hollow clamp rod; 3. Connecting seat; 4. Cover plate; 5. Clamp strip; 6. Through groove; 7. Arc groove; 8. Display screen; 9. First handle; 10. Second handle; 11. Elastic hinge; 12. Sliding cavity; 13. Spring; 14. First moving block; 15. Displacement sensor; 16. Sliding rod; 17. Telescopic cavity; 18. Second moving block; 19. First ball bearing; 20. Sweat-absorbing sleeve; 21. Rolling groove; 22. Second ball bearing; 23. First hollow rod; 24. Second hollow rod; 25. Connecting ring; 26. Connecting groove; 27. Joint; 28. Pull rope. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0026] See also Figure 1-5 The utility model provides an embodiment: a laparoscopic instrument forceps, including a hand-held handle 1, and also including:
[0027] A hollow pliers rod 2 is arranged on one side of the hand-held handle 1, a connecting seat 3 is arranged on one side of the hollow pliers rod 2, and two ends of the hollow pliers rod 2 are respectively fixedly connected to the hand-held handle 1 and the connecting seat 3, a sliding cavity 12 is arranged inside the connecting seat 3, a first moving block 14 is arranged inside the sliding cavity 12, and the first moving block 14 is slidably connected to the connecting seat 3, a clamping strip 5 is arranged on one side of the connecting seat 3, and two clamping strips 5 are arranged, and one end of the clamping strips 5 extends to the inside of the sliding cavity 12, one end of the two clamping strips 5 are rotatably connected to the first moving block 14, and a through groove 6 is arranged on the two clamping strips 5, and a sliding rod 16 is arranged inside the sliding cavity 12, and two sliding rods 16 are arranged, and the sliding rod 16 is fixedly connected to the connecting seat 3, the sliding rod 16 is arranged to penetrate the through groove 6, and the sliding rod 16 is slidably connected to the clamping strip 5;
[0028] A telescopic cavity 17 is arranged inside the hand-held handle 1, a second moving block 18 is arranged inside the telescopic cavity 17, and the second moving block 18 is slidably connected to the hand-held handle 1, a first handle 9 is arranged below the hand-held handle 1, and the first handle 9 is fixedly connected to the hand-held handle 1, a second handle 10 is arranged on one side of the first handle 9, and one end of the second handle 10 is rotatably connected to the second moving block 18, an elastic hinge 11 is arranged between the second handle 10 and the first handle 9, and the second handle 10 is rotatably connected to the first handle 9 through the elastic hinge 11;
[0029] The pull rope 28 is arranged inside the hollow pliers rod 2, and the two ends of the pull rope 28 are respectively fixedly connected to the first movable block 14 and the second movable block 18. The pull rope 28 is slidably connected to the hand handle 1, the hollow pliers rod 2 and the connecting seat 3. A spring 13 is arranged on one side of the first movable block 14, and the spring 13 is arranged inside the sliding cavity 12. The spring 13 is arranged outside the pull rope 28, and the two ends of the spring 13 are respectively fitted with the connecting seat 3 and the first movable block 14. The spring 13 is slidably connected to the pull rope 28.
[0030] When in use: insert the clamping strip 5 at the front end of the instrument forceps into the surgical site inside the human body, press the second handle 10 to drive the second moving block 18 to move in the telescopic cavity 17, the second moving block 18 is connected to the first moving block 14 by a pull rope 28, and as the second moving block 18 moves, the first moving block 14 is synchronously driven to slide in the sliding cavity 12, and the sliding first moving block 14 drives the two clamping strips 5 to rotate and telescope synchronously, changing the angle between the two clamping strips 5, and the spring 13 applies a thrust to the first moving block 14, and after releasing the second handle 10, the first moving block 14 is pushed to quickly reset the two clamping strips 5.
[0031] See also Figure 3 A first ball 19 is provided on the side wall of the second moving block 18 , and the first ball 19 is rollingly connected to the second moving block 18 , and the first ball 19 fits against the inner wall of the telescopic cavity 17 , and the movement resistance of the second moving block 18 is reduced by the first ball 19 .
[0032] See also Figure 1 , Figure 2 and Figure 4, arc grooves 7 are provided on the inner walls of the two clamping strips 5, at least six arc grooves 7 are provided, and the arc grooves 7 are equidistantly arranged on the inner wall of the clamping strip 5, a cover plate 4 is provided on one side of the connecting seat 3, and the cover plate 4 is connected to the connecting seat 3 by screws, and rolling grooves 21 are provided on the bottom of the connecting seat 3 and the top of the cover plate 4, and second balls 22 are provided on the upper and lower ends of the first moving block 14, one end of the second ball 22 extends to the inside of the rolling groove 21, and the second ball 22 is rollingly connected with the first moving block 14, the connecting seat 3 and the cover plate 4, and the second ball 22 and the rolling groove 21 can not only guide the moving first moving block 14, but also reduce the moving resistance of the first moving block 14.
[0033] See also Figure 1 and Figure 5 The hollow forceps rod 2 includes a first hollow rod 23 and a second hollow rod 24. A connecting ring 25 is provided at one end of the first hollow rod 23, and the connecting ring 25 is fixedly connected to the first hollow rod 23. A connecting groove 26 is provided at one end of the second hollow rod 24, and the connecting groove 26 is correspondingly arranged to the connecting ring 25. The connecting ring 25 is threadedly connected to the second hollow rod 24. A joint 27 is provided on the pull rope 28, and the joint 27 is clamped with the pull rope 28. The first hollow rod 23 and the second hollow rod 24 are connected by the connecting ring 25 and the connecting groove 26 to form the hollow forceps rod 2. The length of the hollow forceps rod 2 can be changed to meet the use requirements of laparoscopic instrument forceps of different lengths.
[0034] See also Figure 1 , Figure 2 and Figure 3 A displacement sensor 15 is provided on one side of the first moving block 14, and the displacement sensor 15 is fixedly connected to the first moving block 14. A display screen 8 is provided above the hand-held handle 1, and the display screen 8 is fixedly connected to the hand-held handle 1. The display screen 8 and the displacement sensor 15 are correspondingly arranged. The movement amount of the first moving block 14 is measured by the displacement sensor 15, and the angle between the two clamping strips 5 is indirectly judged according to the movement amount of the first moving block 14, so as to facilitate the control of the force applied to the instrument clamp.
[0035] See also Figure 3 A sweat-absorbing sleeve 20 is provided on the outside of the first handle 9 and the second handle 10, and the sweat-absorbing sleeve 20 is connected to the first handle 9 and the second handle 10 as a whole. The sweat-absorbing sleeve 20 can absorb hand sweat and improve the stability of the handheld instrument forceps.
[0036] Working principle: insert the clamping strip 5 at the front end of the instrument forceps into the surgical site inside the human body, press the second handle 10 to drive the second moving block 18 to move in the telescopic cavity 17, the second moving block 18 is connected to the first moving block 14 by a pull rope 28, and as the second moving block 18 moves, the first moving block 14 is synchronously driven to slide in the sliding cavity 12, and the sliding first moving block 14 drives the two clamping strips 5 to rotate and telescope synchronously, changing the angle between the two clamping strips 5; the displacement sensor 15 measures the movement of the first moving block 14, and indirectly judges the angle between the two clamping strips 5 according to the movement of the first moving block 14, so as to facilitate the control of the force applied to the instrument forceps, the spring 13 applies thrust to the first moving block 14, and pushes the first moving block 14 after releasing the second handle 10, so as to quickly reset the two clamping strips 5.
[0037] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.
[0038] 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. A laparoscopic instrument forceps, comprising a hand handle (1), characterized in that: Also includes: A hollow pliers rod (2) is arranged on one side of the hand-held handle (1); a connecting seat (3) is arranged on one side of the hollow pliers rod (2); and two ends of the hollow pliers rod (2) are respectively fixedly connected to the hand-held handle (1) and the connecting seat (3); a sliding cavity (12) is arranged inside the connecting seat (3); a first moving block (14) is arranged inside the sliding cavity (12); and the first moving block (14) is slidably connected to the connecting seat (3); a clamping strip (5) is arranged on one side of the connecting seat (3); and the clamping strip (5) is fixedly connected to the hand-held handle (1) and the connecting seat (3); 5), two clamping strips (5) are provided, and one end of each clamping strip (5) extends into the interior of the sliding cavity (12), one end of each of the two clamping strips (5) is rotatably connected to the first moving block (14), each of the two clamping strips (5) is provided with a through groove (6), a sliding rod (16) is provided inside the sliding cavity (12), two sliding rods (16) are provided, and the sliding rods (16) are fixedly connected to the connecting seat (3), the sliding rods (16) are connected to the through groove (6), and the sliding rods (16) are slidably connected to the clamping strip (5); A telescopic chamber (17) is arranged inside the hand-held handle (1); a second moving block (18) is arranged inside the telescopic chamber (17), and the second moving block (18) is slidably connected to the hand-held handle (1); a first handle (9) is arranged below the hand-held handle (1), and the first handle (9) is fixedly connected to the hand-held handle (1); a second handle (10) is arranged on one side of the first handle (9), and one end of the second handle (10) is rotatably connected to the second moving block (18); an elastic hinge (11) is arranged between the second handle (10) and the first handle (9), and the second handle (10) and the first handle (9) are rotatably connected via the elastic hinge (11); A pull rope (28) is arranged inside the hollow clamp rod (2), and the two ends of the pull rope (28) are respectively fixedly connected to the first movable block (14) and the second movable block (18), the pull rope (28) is slidably connected to the hand handle (1), the hollow clamp rod (2) and the connecting seat (3), a spring (13) is arranged on one side of the first movable block (14), and the spring (13) is arranged inside the sliding cavity (12), the spring (13) is arranged outside the pull rope (28), and the two ends of the spring (13) are respectively in contact with the connecting seat (3) and the first movable block (14), and the spring (13) is slidably connected to the pull rope (28).
2. The laparoscopic instrument forceps according to claim 1, characterized in that: A first ball (19) is arranged on the side wall of the second moving block (18), and the first ball (19) is rollingly connected to the second moving block (18), and the first ball (19) is in contact with the inner wall of the telescopic cavity (17).
3. The laparoscopic instrument forceps according to claim 1, characterized in that: The inner walls of the two clamping strips (5) are both provided with arc grooves (7), at least six arc grooves (7) are provided, and the arc grooves (7) are equidistantly arranged on the inner walls of the clamping strips (5); a cover plate (4) is provided on one side of the connecting seat (3), and the cover plate (4) is connected to the connecting seat (3) by screws; a rolling groove (21) is provided at the bottom of the connecting seat (3) and the top of the cover plate (4); a second ball (22) is provided at the upper and lower ends of the first moving block (14), one end of the second ball (22) extends to the inside of the rolling groove (21), and the second ball (22) is rollingly connected to the first moving block (14), the connecting seat (3) and the cover plate (4).
4. The laparoscopic instrument forceps according to claim 1, characterized in that: The hollow clamp rod (2) comprises a first hollow rod (23) and a second hollow rod (24); a connecting ring (25) is provided at one end of the first hollow rod (23), and the connecting ring (25) is fixedly connected to the first hollow rod (23); a connecting groove (26) is provided at one end of the second hollow rod (24), and the connecting groove (26) and the connecting ring (25) are arranged correspondingly; the connecting ring (25) and the second hollow rod (24) are threadedly connected; a joint (27) is provided on the pull rope (28), and the joint (27) is clamped with the pull rope (28).
5. The laparoscopic instrument forceps according to claim 1, characterized in that: A displacement sensor (15) is provided on one side of the first moving block (14), and the displacement sensor (15) is fixedly connected to the first moving block (14); a display screen (8) is provided above the hand-held handle (1), and the display screen (8) is fixedly connected to the hand-held handle (1); and the display screen (8) and the displacement sensor (15) are provided correspondingly.
6. The laparoscopic instrument forceps according to claim 1, characterized in that: The first handle (9) and the second handle (10) are both provided with a sweat-absorbing sleeve (20) on the outside, and the sweat-absorbing sleeve (20) is connected to the first handle (9) and the second handle (10) as a whole.
Citation Information
Patent Citations
Pair of laparoscope instrument forceps for laparoscope simulation surgery
CN209168524U