CN112274218B

CN112274218B - Abdominal cavity operation is with nipper of adjustable gripping power

Info

Publication number: CN112274218B
Application number: CN202011085008.4A
Authority: CN
Inventors: 向长林; 施俭
Original assignee: Suzhou Beinuo Medical Instruments Co Ltd
Current assignee: Suzhou Beinuo Medical Instruments Co Ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-08-24
Anticipated expiration: 2040-10-12
Also published as: CN112274218A

Abstract

The invention discloses a grasping force adjustable grasping forceps for abdominal cavity surgery, which comprises two groups of adjusting handles and a clamping jaw assembly, wherein the two groups of adjusting handles comprise a first connecting rod and a second connecting rod, an adjusting screw sleeve is arranged between the first connecting rod and the second connecting rod, one end of each of the two groups of second connecting rods is fixedly connected with a fixed support, the connecting positions of the two groups of second connecting rods and the two groups of fixed supports are in pin joint through a pin shaft, the clamping jaw assembly comprises a spring, a first clamp, a second clamp and a connecting plate, the first clamp and the second clamp are fixedly connected with the connecting plate through the spring, the connecting plate is slidably arranged at the inner side of the fixed support, a liquid storage bag is respectively and fixedly connected between the connecting plate and the first clamp and the second clamp, one end of the liquid storage bag is communicated with the clamps, and first teeth are arranged on one side of the first clamp far away from the connecting plate at equal distance, reduce the simultaneous access of various tools to the abdominal cavity, or use in case of inconvenient administration.

Description

Abdominal cavity operation is with nipper of adjustable gripping power

Technical Field

The invention belongs to the technical field of grasping forceps, and particularly relates to grasping forceps with adjustable grasping force for abdominal cavity surgery.

Background

Surgical devices are known in the art for abdominal surgery, which first grasp or clamp tissue between opposing jaw structures, and then attach with surgical fasteners. The fasteners are typically in the form of surgical staples, but two-part polymeric fasteners may also be utilized.

Instruments for this purpose may include a tool assembly having two elongated members for grasping or clamping tissue, respectively. Typically, one of the sections carries a staple cartridge which houses a plurality of staples arranged in at least two side rows, for example, while the other section has an anvil which defines a surface for forming the staple legs as the staples are driven from the staple cartridge. In some staplers, the stapling operation is effected by a cam link that passes longitudinally through the staple cartridge and acts on a staple pusher for sequentially ejecting the staples from the staple cartridge. A knife may be passed between the staple rows for longitudinally cutting tissue stapled between the staple rows.

There is a need for an adjustable grip grasper for abdominal surgery that is subject to wear and tear on the instrument due to rigid grasping, where during endoscopic or laparoscopic procedures the surgery is performed through a small incision or through a small bore cannula inserted through a small, penetrating wound in the skin, and where the surgeon has difficulty in simultaneously manipulating the instrument around the body tissue using the grasper to access or clamp the tissue site due to the limited degree of motion of the instrument as it is positioned through the skin, and therefore further improvements are needed to reduce the time required for the surgical procedure and to allow easier access to the tissue site.

Therefore, the grasping forceps with the adjustable grasping force for the abdominal cavity operation are provided for solving the problems in the prior art, so that the abrasion of hard grasping to tools is reduced in the grasping process, two groups of liquid storage bags are arranged in the forceps and communicated with the forceps, liquid medicine can be brought into the forceps as required in the grasping process, and the effects that various tools enter the abdominal cavity simultaneously or the medicine is inconvenient to administer are reduced.

Disclosure of Invention

The invention aims to provide a grasping forceps with adjustable grasping force for abdominal cavity surgery, which aims to solve the problems of low working efficiency and large labor waste in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

the grasping forceps with adjustable grasping force for the abdominal cavity operation comprise two groups of adjusting handles and a clamping jaw assembly, wherein the two groups of adjusting handles comprise a first connecting rod and a second connecting rod, an adjusting screw sleeve is arranged between the first connecting rod and the second connecting rod, one ends of the two groups of second connecting rods are fixedly connected with fixed supports, and the connecting positions of the two groups of second connecting rods and the two groups of fixed supports are in pin joint through pin shafts;

the clamping jaw assembly comprises a spring, a first clamp, a second clamp and a connecting plate, the first clamp and the second clamp are fixedly connected with the connecting plate through the spring, the connecting plate is slidably mounted on the inner side of the fixed support, the connecting plate is fixedly connected with a liquid storage bag between the first clamp and the second clamp respectively, one end of the liquid storage bag is communicated with the clamps, the clamps are in a hollow structure, the first clamp is far away from an equidistance array on one side of the connecting plate and is provided with first teeth, the second clamp is far away from an equidistance array on one side of the connecting plate and is provided with second teeth, the first teeth and the second teeth are matched in a staggered mode, a liquid discharge port is formed in the middle position of the first teeth and the second teeth, and a gas bag valve is arranged in the liquid discharge port.

Preferably, the side faces of one ends of the two groups of first connecting rods are fixedly provided with retaining rings, one ends of the first connecting rods, far away from the retaining rings, are fixedly connected with connecting sleeves, and the pin shaft penetrates through the two groups of connecting sleeves.

Preferably, two sets of fixed bolster fixed connection respectively in two sets of adapter sleeves one side, T type spout has all been seted up to the fixed bolster inboard, T type spout equidistance array has three spring plunger of group.

Preferably, the connecting plate is provided with T type slider near fixed bolster one side, T type slider and T type spout clearance fit, equidistant array has the through-hole in the T type slider, through-hole and spring plunger match set up.

Preferably, the first connecting rod is far away from the first screw rod of buckle one end fixedly connected with, levogyration external screw thread has been seted up on first screw rod surface, round pin axle one end fixedly connected with second screw rod is kept away from to the second connecting rod, dextrorotation external screw thread has been seted up on the second screw rod surface, it has seted up levogyration internal thread and dextrorotation internal thread to adjust swivel nut inner wall symmetry, levogyration internal thread and levogyration external screw thread match the setting, dextrorotation internal thread and dextrorotation external screw thread match the setting.

Preferably, the surfaces of the first screw and the second screw are positioned at two ends of the adjusting screw sleeve and are both connected with locking nuts in a threaded manner.

Preferably, a telescopic rod is arranged in the spring and comprises a hollow tube and a guide rod, the guide rod is slidably mounted in the hollow tube, one end, far away from the hollow tube, of the guide rod is fixedly connected to the inner wall of the fixed support, and one end, far away from the guide rod, of the hollow tube is fixedly connected to one side of the first clamp.

Preferably, the fixed support is fixedly installed outside and sleeved with a protective sleeve, and the protective sleeve is of a transparent acrylic plate structure.

Preferably, semicircular gaps are formed in one ends of the first clamp and the second clamp, and the two groups of semicircular gaps are symmetrically arranged.

The invention has the technical effects and advantages that: compared with the prior art, the grasping forceps with adjustable grasping force for abdominal cavity operation provided by the invention has the following advantages:

1. when the clamping device is used, due to the fact that the spring is determined by the property of the spring, the elasticity of the spring is enough to keep balance with the clamping force of the clamping jaw, and abrasion of a hard clamping to a tool is reduced in the clamping process;

2. two groups of liquid storage bags are arranged in the clamp and communicated with the clamp, when the clamp is squeezed in the clamping process, the liquid storage bags are squeezed, liquid medicine flows into the clamp, the air bag valve in the clamp is squeezed and opened, the liquid medicine directly flows to an operation part, the liquid storage bags can be arranged to take the liquid medicine as required, and the phenomenon that various tools simultaneously enter an abdominal cavity or the medicine is inconvenient to administer is reduced;

3. when the clamp is used, the adjusting screw rod is rotated to drive the screw rod connected with the rod end, and the distance between the first screw rod and the second screw rod is adjusted, so that the length of the clamp connecting rod is adjusted, and the practicability of the clamp connecting rod is improved;

4. the first tooth and the second tooth are respectively arranged on one side of the first clamp and one side of the second clamp at equal intervals, so that the first tooth and the second tooth are sequentially arranged in a staggered manner, and can be clamped at different stress positions or different clamping surfaces according to the volume of a clamped object during clamping, so that the stress reliability of the clamped object is ensured;

5. set up the lag in clamping jaw subassembly outside, the lag is transparent ya keli board structure setting, both can protect first clamp and second clamp, and convenient daily observing the operation apparatus again prevents that it from taking place to disinfect just to preserve, perhaps does not clean the condition emergence of overtaking up and not carrying out daily maintenance, and is directly perceived convenient.

Drawings

FIG. 1 is a schematic top perspective view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic sectional view of the adjusting screw insert of the present invention;

FIG. 4 is a front view of the jaw assembly of the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 4 according to the present invention;

fig. 6 is an enlarged structural view of part B of fig. 4 according to the present invention.

In the figure: 1. an adjusting handle; 101. a first link; 102. a second link; 103. fixing a bracket; 104. a pin shaft; 105. a retaining ring; 106. connecting sleeves; 107. a T-shaped chute; 108. a spring plunger; 2. a jaw assembly; 201. a spring; 202. a first clamp; 203. a second clamp; 204. a connecting plate; 2041. a T-shaped slider; 2042. a through hole; 205. a reservoir; 206. a first tooth; 207. a second tooth; 208. a liquid discharge port; 209. an air bag valve; 210. a semicircular notch; 3. adjusting a threaded sleeve; 301. left-hand internal threads; 302. right-handed internal threads; 4. a first screw; 401. a left-hand external thread; 5. a second screw; 501. right-handed external threads; 6. a telescopic rod; 601. a hollow tube; 602. a guide bar; 7. a protective sleeve; 8. and locking the nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides grasping forceps with adjustable grasping force for abdominal cavity surgery, which comprise two groups of adjusting handles 1 and a clamping jaw assembly 2, wherein the two groups of adjusting handles 1 respectively comprise a first connecting rod 101 and a second connecting rod 102, an adjusting threaded sleeve 3 is arranged between the first connecting rod 101 and the second connecting rod 102, one ends of the two groups of second connecting rods 102 are respectively and fixedly connected with a fixed support 103, the connecting positions of the two groups of second connecting rods 102 and the two groups of fixed supports 103 are respectively connected through a pin 104, the two groups of fixed supports 103 are penetrated through the pin 104, and when the two groups of retaining rings 105 are unfolded to drive the first connecting rod 101 and the second connecting rod 102 to be unfolded, a first clamp 202 and a second clamp 203 can be opened.

The clamping jaw assembly 2 comprises a spring 201, a first clamp 202, a second clamp 203 and a connecting plate 204, wherein one end of each of the first clamp 202 and the second clamp 203 is provided with a semicircular notch 210, the two groups of semicircular notches 210 are symmetrically arranged, the first clamp 202 and the second clamp 203 are fixedly connected with the connecting plate 204 through the spring 201, the connecting plate 204 is slidably mounted on the inner side of the fixed support 103, a liquid storage bag 205 is fixedly connected between the connecting plate 204 and each of the first clamp 202 and the second clamp 203, one end of the liquid storage bag 205 is respectively communicated with the first clamp 202 and the second clamp 203, each of the first clamp 202 and the second clamp 203 is arranged in a hollow structure, first teeth 206 are arranged in an equidistant array on one side of the first clamp 202, which is far away from the connecting plate 204, second teeth 207 are arranged in an equidistant array on one side of the second clamp 203, which is far away from the connecting plate 204, and the first teeth 206 are in a staggered matching with the second teeth 207, liquid discharge ports 208 are formed in the central positions of the first teeth 206 and the second teeth 207, and air bag valves 209 are arranged in the liquid discharge ports 208.

Two sets of equal fixed mounting in first connecting rod 101 one end side has buckle 105, buckle 105 one end fixedly connected with adapter sleeve 106 is kept away from to first connecting rod 101, round pin axle 104 runs through in two sets of adapter sleeves 106, and is two sets of fixed bolster 103 is fixed connection in two sets of adapter sleeves 106 one side respectively, T type spout 107 has all been seted up to fixed bolster 103 inboard, T type spout 107 equidistance array has three group spring plunger 108, connecting plate 204 is close to fixed bolster 103 one side and is provided with T type slider 2041, T type slider 2041 and T type spout 107 clearance fit, the equidistance array has through-hole 2042 in the T type slider 2041, through-hole 2042 and spring plunger 108 match the setting.

The first connecting rod 101 is fixedly connected with a first screw 4 far away from one end of a retaining ring 105, the surface of the first screw 4 is provided with a left-handed external thread 401, the second connecting rod 102 is fixedly connected with a second screw 5 far away from one end of a pin shaft 104, the surface of the second screw 5 is provided with a right-handed external thread 501, the inner wall of the adjusting screw sleeve 3 is symmetrically provided with a left-handed internal thread 301 and a right-handed external thread 302, the left-handed internal thread 301 and the left-handed external thread 401 are arranged in a matching way, the surfaces of the first screw 4 and the second screw 5 are positioned in two ends of the adjusting screw sleeve 3 and are both in threaded connection with a locking nut 8, the right-handed internal thread 302 and the right-handed external thread 501 are arranged in a matching way, the left-handed internal thread 301 and the left-handed external thread 401 are arranged in a matching way, when in use, the adjusting screw sleeve 3 is rotated according to needs to change the distance between the first screw 4 and the second screw 5, the connecting length of the first connecting rod 101 and the second connecting rod 102 is changed according to the requirement, and the connecting rod is locked by the locking nut 8 after being adjusted, so that the connecting rod can be used.

An expansion link 6 is arranged in the spring 201, the expansion link 6 comprises a hollow tube 601 and a guide rod 602, the guide rod 602 is slidably mounted in the hollow tube 601, one end, away from the hollow tube 601, of the guide rod 602 is fixedly connected to the inner wall of the fixing support 103, one end, away from the guide rod 602, of the hollow tube 601 is fixedly connected to one side of the first clamp 202, when the clamp is used, the guide rod 602 can slide in the hollow tube 601 to play a role in guiding and prevent the first clamp 202 and the second clamp 203 from displacing in the clamping process; protective sleeve 7 has been cup jointed to the outside fixed mounting of fixed bolster 103, protective sleeve 7 is transparent ya keli board structure setting, sets up protective sleeve 7 and is transparent ya keli board structure, both can protect first clamp 202 and second clamp 203, makes things convenient for daily observation again.

The structure principle is as follows: springs 201 are arranged between the first clamp 202 and the second clamp 203 and the fixed support 103 respectively, an expansion link 6 is arranged in the springs 201, the expansion link 6 is used for supporting the springs 201 and plays a role in guiding, clamping force is guaranteed, and abrasion of hard clamping on tools is reduced in the clamping process;

cavities are formed in the first clamp 202 and the second clamp 203, and liquid storage bags 205 are arranged at the connecting positions of the first clamp 202, the second clamp 203 and the fixing support 103 respectively, so that liquid medicine can be brought into an abdominal cavity as required in the clamping process, and therefore, the phenomenon that various tools enter the abdominal cavity simultaneously can be reduced, and the clamp can be used under the condition of inconvenient administration;

the adjusting threaded sleeves 3 are arranged in the adjusting handles 1 of the first clamp 202 and the second clamp 203, when the adjusting mechanism is used, the first screw rod 4 and the second screw rod 5 are driven to be close to and separated from each other through the threads on the surfaces of the first screw rod 4 and the second screw rod 5 by rotating the adjusting threaded sleeves 3, the distance between the first screw rod 4 and the second screw rod 5 is changed, and therefore the length of the adjusting handle 1 of the grasping clamp is adjusted, and the practicability of the adjusting handle is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an abdominal cavity operation is with nipper of adjustable gripping force, includes two sets of adjustment handle (1) and clamping jaw subassembly (2), its characterized in that: the two groups of adjusting handles (1) respectively comprise a first connecting rod (101) and a second connecting rod (102), an adjusting threaded sleeve (3) is arranged between the first connecting rod (101) and the second connecting rod (102), one end of each of the two groups of second connecting rods (102) is fixedly connected with a fixed support (103), and the connecting positions of the two groups of second connecting rods (102) and the two groups of fixed supports (103) are respectively connected through pin joints through pin shafts (104); the clamping jaw assembly (2) comprises a spring (201), a first clamp (202), a second clamp (203) and a connecting plate (204), the first clamp (202) and the second clamp (203) are fixedly connected with the connecting plate (204) through the spring (201), the connecting plate (204) is slidably mounted on the inner side of a fixing support (103), a liquid storage bag (205) is fixedly connected between the connecting plate (204) and the first clamp (202) and the second clamp (203), one end of the liquid storage bag (205) is communicated with the clamps, the first clamp (202) and the second clamp (203) are both arranged in a hollow structure, first teeth (206) are arranged on one side, far away from the connecting plate (204), of the first clamp (202) in an equidistant mode, second teeth (207) are arranged on one side, far away from the connecting plate (204), of the second clamp (203) in an equidistant mode, and the first teeth (206) are matched with the second teeth (207) in a staggered mode, the central positions of the first tooth (206) and the second tooth (207) are both provided with a liquid discharge port (208), an air bag valve (209) is arranged in the liquid discharge port (208), two groups of side surfaces of one end of the first connecting rod (101) are both fixedly provided with a retaining ring (105), one end, far away from the retaining ring (105), of the first connecting rod (101) is fixedly connected with a connecting sleeve (106), a pin shaft (104) penetrates through the two groups of connecting sleeves (106), the two groups of fixing supports (103) are respectively and fixedly connected to one sides of the two groups of connecting sleeves (106), the inner side of each fixing support (103) is provided with a T-shaped sliding groove (107), three groups of spring plungers (108) are arrayed in the T-shaped sliding grooves (107) at equal intervals, one side, close to the fixing support (103), of the connecting plate (204) is provided with a T-shaped sliding block (2041), the T-shaped sliding block (2041) is in clearance fit with the T-shaped sliding block (2041) at equal intervals, through holes (2042) are arrayed in the T-shaped sliding block (2041), the through hole (2042) and the spring plunger (108) are arranged in a matching mode.

2. The grasper with adjustable grasping force for abdominal cavity surgery as claimed in claim 1, wherein: first screw rod (4) of buckle (105) one end fixedly connected with are kept away from to first connecting rod (101), levogyration external screw thread (401) have been seted up on first screw rod (4) surface, round pin axle (104) one end fixedly connected with second screw rod (5) have been kept away from to second connecting rod (102), dextrorotation external screw thread (501) have been seted up on second screw rod (5) surface, levogyration internal thread (301) and dextrorotation internal thread (302) have been seted up to regulation swivel nut (3) inner wall symmetry, levogyration internal thread (301) and levogyration external screw thread (401) match the setting, dextrorotation internal thread (302) and dextrorotation external screw thread (501) match the setting.

3. The grasper with adjustable grasping force for abdominal cavity surgery as claimed in claim 2, wherein: the surfaces of the first screw rod (4) and the second screw rod (5) are positioned in the two ends of the adjusting threaded sleeve (3) and are connected with locking nuts (8) in a threaded mode.

4. The grasper with adjustable grasping force for abdominal cavity surgery as claimed in claim 3, wherein: be provided with telescopic link (6) in spring (201), telescopic link (6) include hollow tube (601) and guide bar (602), guide bar (602) slidable mounting is in hollow tube (601), hollow tube (601) one end fixed connection is kept away from in guide bar (602) fixed connection in fixed bolster (103) inner wall, guide bar (602) one end fixed connection is kept away from in first clamp (202) one side in hollow tube (601).

5. The grasper with adjustable grasping force for abdominal cavity surgery as claimed in claim 4, wherein: protective sleeve (7) have been cup jointed in fixed bolster (103) outside fixed mounting, protective sleeve (7) are transparent ya keli board structure setting.

6. The grasper with adjustable grasping force for abdominal cavity surgery as claimed in claim 5, wherein: semicircular gaps (210) are formed in one ends of the first clamp (202) and the second clamp (203), and the two groups of semicircular gaps (210) are symmetrically arranged.