CN204520872U - The operating forceps that a kind of energy is bending - Google Patents

Abstract

A bendable surgical forceps, comprising a handle and a pliers rod, characterized in that the handle includes a fixed handle, a pliers head handle, and a curved handle, and the pliers rod includes a fixed rod and a movable rod, and the difference between the fixed rod and the movable rod A plurality of curved connectors are arranged between them, the curved handle is hinged at the rear of the fixed rod, the end of the fixed rod is connected to the fixed handle, the handle of the pliers head is hinged on the fixed handle, and one side of the end of the movable rod A fixed pincer head is provided, and a movable pincer head is hinged on the other side of the end of the movable rod. The utility model has the characteristics of simple structure, easy operation, convenient detection of lesion, flexible adjustment of the position of surgical jaws and the like. The utility model controls the bending handle, the front part of the surgical forceps can be bent freely, and it is easy to reach the position required by the operator, which reduces the difficulty of the operator, avoids the fatigue of the wrist caused by the increased pressure of the carpal tunnel, and reduces the occurrence of medical accidents. .

Description

A bendable surgical forceps

technical field

The utility model relates to the field of medical instruments, in particular to a bendable surgical forceps.

Background technique

Surgical forceps, as a necessary medical tool for surgery, are widely used in various operations. Forceps are forceps-like instruments that rely on mechanical action between the jaws to grasp, hold, and constrict blood vessels or tissue.

In the operation process of the existing patients with biliary stones, the location of the biliary stones in the patient's abdominal cavity is first detected. However, due to the deep lesion of the biliary tract, its position is narrow, and the head of the general straight extension forceps cannot be bent, so it is entirely up to the doctor to twist the wrist joint to adjust and control the surgical forceps to perform the operation. The traditional way of holding the forceps handle will easily make the wrist joint deviate, which will reduce the movement and distortion of the forearm cross-wrist muscles, increase the pressure of the carpal tunnel and cause wrist fatigue, which will affect the operation and increase the incidence of medical accidents.

Contents of the invention

The utility model provides a flexible surgical forceps with simple structure, high reliability, convenient operation, etc., so as to solve the technical problems of inflexible and inconvenient use of existing appliances.

In order to solve the above technical problems, the technical solution adopted by the utility model is: a bendable surgical forceps, including a handle and a pliers rod, characterized in that the handle includes a fixed handle, a pliers head handle, and a curved handle, and the pliers rod It includes a fixed rod and a movable rod, a plurality of curved connectors are arranged between the fixed rod and the movable rod, the curved handle is hinged at the rear of the fixed rod, the end of the fixed rod is connected with the fixed handle, and the handle of the clamp head Hinged on the fixed handle, one side of the end of the movable rod is provided with a fixed pincer, and the other side of the end of the movable rod is hinged with a movable pincer.

As a preference, the rear end of the fixed rod is provided with a first wheel, the rotating shaft of the first rotating wheel is provided with an adjusting rod, the end of the curved handle is provided with a rotating shaft, the rotating shaft is hinged at the rear end of the fixed rod, and the rotating shaft is fixed There is a second runner, and a conveyor belt is set on the first runner and the second runner; the curved connecting piece is a triangular structure, and the symmetrical two corners are respectively provided with upper and lower steel wire holes, and the top corner is provided with a rolling seat. Rolling grooves are arranged on the side, wherein the symmetrical two corners of the first curved connector are fixed with steel wire ropes, and the steel wire ropes are respectively connected with the upper end and the lower end of the adjustment rod after passing through the steel wire holes.

As a preference, the fulcrum of the pliers head handle is hinged on the fixed handle, and a steering wheel is provided at the hinge, and the steering wheel meshes with the second steering wheel, and a lug is provided on the second steering wheel. A channel, a steel rope is arranged in the channel, the first end of the steel rope is connected with the power arm of the movable tong head, and the tail end of the steel rope is connected with the upper lug end of the second steering wheel.

Preferably, the curved handle is provided with locking teeth, the middle part of the curved handle is provided with an arc-shaped slot bar, and the rear part of the fixed rod is provided with a compression spring, and the extension of the compression spring suppresses the curved handle.

As a preference, the front end of the fixed pliers head is provided with a water spray port, the front end of the fixed pliers head is also provided with a water suction port, and the rear part of the pliers rod is provided with a water inlet nozzle and a water discharge nozzle; pipe, water spray pipe, the water inlet nozzle communicates with the water spray port through the water spray pipe, and the water discharge nozzle communicates with the water suction port through the water suction pipe.

As a preference, a miniature camera is provided on the fixed pliers head, an optical fiber or a cable is also arranged in the pliers rod, and the miniature camera is connected with the optical fiber or cable, and the optical fiber or cable passes through the passage through the optical fiber hole at the rear end of the pliers rod, and the optical fiber or cable to connect the display.

Preferably, the number of said curved connectors is 6-17.

Preferably, a transition wheel is provided behind the movable tong head power arm.

Compared with the prior art, the utility model has the following comprehensive advantages and effects: the utility model has the characteristics of simple structure, easy operation, convenient detection of lesion, and flexible adjustment of the position of surgical jaws. By controlling the curved handle, the front part of the surgical forceps can be bent freely, and it is easy to reach the site required by the operator, reducing the difficulty of the operator; by controlling the handle of the clamp head, the movable clamp head of the surgical forceps can move flexibly, which is convenient for clamping the surgical site , to avoid wrist fatigue due to increased pressure on the wrist, and reduce the occurrence of medical accidents. The utility model has large market capacity, wide prospect and great market value and social value.

Description of drawings

Fig. 1 is the front view of the utility model;

Fig. 2 is a sectional view of the utility model;

Fig. 3 is a schematic structural view of the curved connector in Fig. 2;

Figure 4 is an enlarged view of A in Figure 2;

Figure 5 is an enlarged view at B in Figure 2;

Figure 6 is an enlarged view at C in Figure 2;

Fig. 7 is a sectional view of the A-A direction of the curved handle in Fig. 1;

Figure 8 is an enlarged view at D in Figure 1;

Fig. 9 is an enlarged view at E in Fig. 2 .

Detailed ways

The technical solution of the present utility model will be further specifically described below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figures 1 and 2, the flexible surgical forceps is composed of a handle 1, a forceps rod 2, a fixed forceps head 9, a movable forceps head 8, and the like. The handle 1 is composed of a fixed handle 3, a pliers handle 4, and a curved handle 5. The pliers handle 4 operates the opening and closing of the surgical pliers head, and the curved handle 5 operates the bending of the pliers rod 2; the pliers rod 2 is hinged by a fixed rod 6 and a movable rod 7 Constitute, the end of fixed rod 6 is connected with fixed handle 3, one side of the end of movable rod 7 is provided with fixed pliers 9, and the other side of the end of movable rod 7 is hinged with movable pliers 8.

As shown in Figures 2, 3, 4, 5 and 9, the rear end of the fixed rod 6 is provided with a first runner 13, the rotating shaft of the first runner 13 is provided with an adjusting rod 46, and the end of the bending handle 5 is provided with a rotating shaft 120, The rotating shaft 120 is hinged to the rear end of the fixed rod 6 , and the second rotating wheel 12 is fixed on the rotating shaft; the first rotating wheel 13 and the second rotating wheel 12 are covered with a conveyor belt 45 .

A plurality of curved connecting pieces 40 are arranged between the fixed rod 6 and the movable rod 7, and the number of the curved connecting pieces 40 is 6-17. The curved connecting piece 40 is a triangular structure, wherein the symmetrical two corners are respectively provided with upper and lower steel wire holes 41, 42, the top corner is provided with a rolling seat 43, and the bottom edge is provided with a rolling groove 44, wherein the symmetrical two corners of the first curved connecting piece All are fixed with steel wire rope 15, and steel wire rope 15 is respectively connected with adjusting rod 46 upper and lower ends after passing through steel wire 41,42 holes.

The bending handle 5 rotates upwards, pulls the wire rope 15, drives the lower steel wire hole 42 of the bending connector 40, makes the bending connector 40 bend upwards, and the pliers bar 2 is upwardly curved; the bending handle 5 rotates downwards, pulls the wire rope 15, and drives The upper steel wire hole 41 of the bending connecting piece 40 is bent downward so that the bending connecting piece 40 is bent downward so that the pliers bar 2 is bent downward.

As shown in Figures 7 and 8, the curved handle 5 is provided with locking teeth 21, the middle part of the curved handle 5 is provided with an arc-shaped groove bar 20, and the rear part of the fixed rod is provided with a compression spring 30. The compression spring extension 200 compresses the bending handle 5 .

The locking teeth 21 are engaged with the upper draw-in slots of the arc-shaped draw-in groove bar 20 to define the bending handle 5 to keep the pliers rod 2 bent, and the compression spring 30 fixes the position of the bending handle 5 . If you want to return to the original position, you can return to the initial state by bending the handle 5 outside.

Shown in conjunction with Figures 4, 5, and 6, the fulcrum of the pliers handle 4 is hinged on the fixed handle 3, and a steering wheel 47 is provided at the hinge, and the steering wheel 47 meshes with the second steering wheel 19, and the second steering wheel 19 is provided with a steering wheel. There are lugs, a passage 16 is provided in the pincer rod 2, a steel rope 17 is provided in the passage 16, and the first end of the steel rope 17 is connected with the movable tong head 8 power arm, and the rear of the movable tong head 8 power arm is provided with a transition wheel 18, and the steel rope The rope 17 tail end is connected with the lug on the second steering wheel 19. The fulcrum of movable pincer head 8 is hinged on the front end side of pincer rod 2, and its power arm is positioned at the flaring place of channel front end, and the rear of movable pincer head power arm is also provided with transition wheel 50. When the clamp head handle 4 rotates, the steel rope 17 is pulled, and the steel rope 17 is turned to the transition wheel 18 through the second steering wheel 19, and the steel rope 17 pulls the power arm of the movable clamp head 8, so that the movable clamp head 8 is closed to the fixed clamp head 9 , Clamp the affected area.

The front end of fixed clamp head 9 is provided with water spout 22, and the front end of fixed clamp head 9 is also provided with water suction port 25, and the rear portion of clamp bar 2 is provided with water inlet nozzle 23 and drain nozzle 26; The water suction pipe 27 , the water spray pipe 24 , and the water inlet nozzle 23 communicate with the water spray port 22 through the water spray pipe 24 , and the water discharge nozzle 26 communicates with the water suction port 25 through the water suction pipe 27 . During the operation, when encountering an affected part that needs to be cleaned, external clear water can be sprayed to the affected part from the water nozzle 22 through the water inlet nozzle 23 and the water spray pipe 24 to clean the affected part. And the sewage at the lesion enters the water suction pipe 27 through the water suction port 25, and finally goes out of the drain nozzle 26 to be discharged from the body.

The fixed clamp head 9 is provided with a miniature camera 10, and the periphery of the miniature camera 10 is provided with an LED light 11 for lighting or directly illuminates with an optical fiber. Also be provided with optical fiber or cable 28 in the pincer bar 2, miniature camera 10 is connected with optical fiber or cable 28. The optical fiber or cable 28 passes through the channel 16 and passes through the optical fiber hole 29 at the rear end of the clamp rod 2 . The optical fiber or cable 28 is connected to the display screen, and the visible image makes it easier for the doctor to observe the affected part of the patient.

Finally, it should be pointed out that the above specific embodiments are only representative examples of the present invention. Apparently, the utility model is not limited to the above-mentioned specific embodiments, and many variations are possible. Any simple modifications, equivalent changes and modifications made to the above specific implementation methods based on the technical essence of the present utility model shall be deemed to belong to the protection scope of the present invention.

Claims (7)

1. A bendable surgical forceps, comprising a handle and a pincer bar, is characterized in that the handle includes a fixed handle, a pincer head handle, and a curved handle, and the pincer bar includes a fixed bar and a movable bar, and the fixed bar and the movable bar A plurality of curved connectors are arranged between the rods, the curved handle is hinged at the rear of the fixed rod, the end of the fixed rod is connected with the fixed handle, the handle of the pliers head is hinged on the fixed handle, and the end of the movable rod One side is provided with a fixed pincer head, and the other side of the end of the movable rod is hinged with a movable pincer head. 2. The bendable surgical forceps according to claim 1, characterized in that the rear end of the fixed rod is provided with a first runner, the rotating shaft of the first runner is provided with an adjustment rod, and the end of the curved handle is A rotating shaft is provided, and the rotating shaft is hinged at the rear end of the fixed rod. The second runner is fixed on the rotating shaft. The first runner and the second runner are covered with conveyor belts; the curved connector is a triangular structure, and the symmetrical two corners are respectively There are upper and lower steel wire holes, a rolling seat is provided at the top corner, and a rolling groove is provided at the bottom side. Steel wire ropes are fixed on the symmetrical two corners of the first curved connector, and the steel wire ropes are respectively connected to the upper and lower ends of the adjustment rod after passing through the steel wire holes. 3. The bendable surgical forceps according to claim 1, characterized in that the fulcrum of the pliers head handle is hinged on the fixed handle, the hinge is provided with a steering wheel, the steering wheel meshes with the second steering wheel, and the second steering wheel Lugs are provided on the steering wheel, a channel is provided in the pliers rod, and a steel rope is provided in the channel. The first end of the steel rope is connected to the power arm of the movable tong head, and the tail end of the steel cable is connected to the end of the upper lug on the second steering wheel. connect. 4. The flexible surgical forceps according to claim 2, characterized in that the curved handle is provided with locking teeth, the middle part of the curved handle is provided with an arc-shaped slot bar, and the rear part of the fixed rod is provided with a compression spring, which presses A tight spring extension holds the flex handle down. 5. The flexible surgical forceps according to claim 1, characterized in that the front end of the fixed forceps head is provided with a water spray port, the front end of the fixed forceps head is also provided with a water suction port, and the rear portion of the forceps rod is provided with an inlet. A water nozzle and a water discharge nozzle; a water suction pipe and a water spray pipe are also provided in the clamp rod, the water inlet nozzle communicates with the water spray port through the water spray pipe, and the water discharge nozzle communicates with the water suction port through the water suction pipe. 6. The bendable surgical forceps according to claim 1, characterized in that the fixed forceps head is provided with a miniature camera, and an optical fiber or a cable is also arranged in the clamp rod, the miniature camera is connected with the optical fiber or a cable, and the optical fiber Or the cable passes through the channel to pass through the fiber hole at the rear end of the clamp rod, and the optical fiber or cable is connected to the display screen. 7. The flexible surgical forceps according to claim 1, characterized in that the number of said curved connectors is 6-17.