CN112674862A

CN112674862A - Ball head structure of bipolar scissors

Info

Publication number: CN112674862A
Application number: CN202011534135.8A
Authority: CN
Inventors: 朱国锋; 韩国勇; 张永金; 朱国华
Original assignee: HANGZHOU TONGLU YIDA MEDICAL APPARATUS CO Ltd
Current assignee: HANGZHOU TONGLU YIDA MEDICAL APPARATUS CO Ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-04-20

Abstract

The invention discloses a ball head structure of bipolar scissors, which is arranged in the bipolar scissors, the bipolar scissors comprise a clamp rod, a rotating wheel, a front handle, a rear handle, a conducting wire and a scissor head, the scissor head is positioned at the front end of the clamp rod, the clamp rod is fixed on the rotating wheel, the rotating wheel is connected with the rear handle, the front handle is hinged on the rear handle, the conducting wire is electrically connected with the scissor head, the ball head is arranged at the tail end of the clamp rod and is arranged on a ball seat, the ball seat is hinged on the rear handle and is simultaneously connected with the front handle, and the conducting wire penetrates through the ball head. According to the invention, the wire penetrates through the ball head, the ball head also supports the wire, the wire can be wired and wired along the direction of the clamp lever, the wire can be connected into the bipolar scissors right behind the rear handle and approximately corresponds to the position of the clamp lever, the sight is shielded, the operation interference of an opponent is minimized, the wiring path is simplified, and the operation is convenient.

Description

Ball head structure of bipolar scissors

Technical Field

The invention relates to a medical instrument, in particular to a ball head structure of a pair of bipolar scissors.

Background

A plurality of kinds of knives and scissors are commonly used in the traditional minimally invasive surgery process to separate organs and tissues of a human body, and a special blood coagulation instrument is adopted for blood coagulation after the knives and the scissors are cut. The bipolar scissors can not only carry out normal shearing, but also can provide high-frequency current electric energy for organism tissues through the two tips so as to dehydrate and solidify blood vessels or tissues between the two ends of the bipolar scissors and achieve the purpose of hemostasis, the heat productivity is lower, the action range is only limited between the two ends of the bipolar scissors, the damage degree and the influence range to the organism tissues are far smaller than those of a traditional mode, the bipolar scissors are very suitable for small cavity surgery, the bipolar scissors are used for surgery, the instrument types can be reduced, the surgery time can be shortened, and therefore the bipolar scissors are more and more widely used. The lead of the existing bipolar scissors is usually connected from the upper part or the side part of the handle of the bipolar scissors and then extends to the scissor head, so that the sight is easily blocked when the lead is used, and the operation is influenced. Still bipolar scissors do not route the wires directly to the scissor head, but are connected to the scissor head by other conductive structures, which can add significant complexity to the structure. The utility model discloses a utility model is CN 211271116U's utility model discloses a bipolar curved scissors structure is exclusively used in 8 months 18 of 2020, including the scissors seat, decide the handle, move the handle, the upper end of moving the handle rotates with the rear end of scissors seat to be connected, the front end of scissors seat is equipped with the sleeve pipe, sheathed tube front end is equipped with scissors pincers subassembly, the intraductal insulating trombone slide that is equipped with of cover, scissors pincers subassembly includes insulating pincers seat, the scissors piece, the rear end of pincers seat is equipped with the pincers seat pull rod that is used for driving the scissors piece action, be equipped with the cover in the scissors seat and establish the position sleeve in the insulating trombone slide outside, the upside of scissors seat is equipped with bipolar coagulation joint, sheathed tube inboard is equipped with the current-conducting tube, one of them scissors piece is connected with the front end inner wall electricity of current-conducting tube, be equipped with the wire in the insulating trombone slide, the rear end of wire. The utility model discloses a can automatic electricity congeal hemostasis, improvement operation efficiency, convenient to use safety shearing the in-process, but this utility model bipolar electricity congeals the upside that connects to be located the scissors seat, shelters from the sight easily during the use, influences the operation.

Disclosure of Invention

The invention provides a ball head structure of a bipolar scissors, which optimizes a wiring structure and improves the use convenience, and aims to overcome the defect that the use operation is influenced due to unreasonable wire inlet mode and an internal wiring structure of the conventional bipolar scissors.

The technical scheme of the invention is as follows: the utility model provides a bipolar scissors bulb structure, locates in bipolar scissors, bipolar scissors includes tong bar, runner, preceding handle, back handle, wire and scissors head, and the scissors head is located the tong bar front end, and the tong bar is fixed on the runner, and the runner is connected with the back handle, preceding handle hinged on the back handle, and the wire is connected with scissors head electricity, and the tong bar end is equipped with the bulb, and the bulb is installed on a ball seat, and the ball seat is hinged on the back handle and is connected with preceding handle simultaneously, and the wire passes the bulb and gets into the tong bar. The clamp rod is of a hollow structure, in the prior art, the ball head is of a closed structure, so that a wire can be prevented from entering the clamp rod, the wire can conveniently enter the clamp rod only by being staggered with the ball head, and therefore the wire is difficult to access into the bipolar scissors from the right back of the back handle, or the sight is shielded, or the front handle and the back handle are prevented from being operated by hands. According to the invention, the wire penetrates through the ball head, the ball head also supports the wire, the wire can be wired and wired along the direction of the clamp lever, the wire can be connected into the bipolar scissors right behind the rear handle and approximately corresponds to the position of the clamp lever, the sight is shielded, the operation interference of an opponent is minimized, the wiring path is simplified, and the operation is convenient.

Preferably, the clamp rod comprises a sleeve and a pull tube, the sleeve is fixed on the rotating wheel, a scissor head seat is fixed at the front end of the sleeve, the scissor head is connected to the scissor head seat through a link mechanism, the pull tube penetrates into the sleeve, the front end of the pull tube is connected with the link mechanism, the ball head is fixedly connected to the tail end of the pull tube, and the lead penetrates through the pull tube and is connected with the scissor head. The front handle drives the ball head, and then the pull force is transmitted through the pull tube to drive the scissor head to open and close for shearing. The wire passes through the bulb, the stay tube and is connected with the scissors head, so that the wiring of the wire is smooth and natural, and the zigzag is reduced.

Preferably, the scissor head comprises a pair of blades, the inner sides of the two blades are provided with insulating layers, the two blades are symmetrically hinged to two side surfaces of the scissor head seat, the scissor head seat is provided with a sliding groove penetrating through the two side surfaces, the connecting rod mechanism comprises two connecting rods and a driving pin rod, the two connecting rods are respectively arranged at two sides of the scissor head seat and are hinged to the two blades in a one-to-one correspondence manner, the driving pin rod penetrates through the sliding groove, two ends of the driving pin rod are exposed, the two connecting rods are respectively connected with two ends of the driving pin rod, and the front end of the pull tube. When the driving pin rod is pulled by the pull tube, the connecting rod mechanism is deformed, and then the two blades are pulled to be opened and closed for shearing. The inner insulating layers of the two blades enable the two blades not to be short-circuited even if the two blades are contacted during shearing, but conduct electricity through tissues between the blades, and blood coagulation is achieved.

Preferably, the scissor head base is made of ceramic. The ceramic is an insulating material, which is beneficial to avoiding short circuit caused by direct conduction between the two blades.

Preferably, the ball seat top is provided with a ball head bayonet, the ball head is clamped in the ball head bayonet, the ball seat middle part is provided with a ball seat rotating shaft, the ball seat rotating shaft is rotatably inserted in a shaft hole of the rear handle, and the ball seat bottom is provided with a shifting pin which is connected with the front handle. The ball seat and the front handle form another connecting rod mechanism, and when the front handle swings, the ball seat is driven to deflect, so that the ball head bayonet at the other end drives the ball head to pull the two blades to open and close through the pull tube.

Preferably, the top end of the front handle is provided with a shifting pin sliding groove, and the shifting pin is connected in the shifting pin sliding groove in a sliding manner. When the front handle swings, the groove wall of the pin-pulling chute pushes the pin-pulling, so that the ball seat swings and the ball head is pushed and pulled, thereby realizing the opening and closing of the two blades. When the ball seat swings, the position of the shifting pin changes, and the shifting pin can slide in the shifting pin sliding groove to adapt to the position change.

Preferably, the rear handle comprises two symmetrical shells which are in snap fit. The two shells are clamped and spliced to form a cavity, so that wiring of the wire can be hidden inside the cavity, and the adverse effect of external factors is reduced.

Preferably, the wire comprises an outer section wire and an inner section wire, a socket electrically connected with the outer section wire is arranged in the rear handle, and the inner section wire is connected between the socket and the scissor head. The whole section of wire is connected to the scissor head directly through the ball head, which is troublesome. The segmented connection mode is adopted, the inner section wire is prefabricated inside the rear handle before the bipolar scissors are assembled, and the whole wire connection of the wire can be completed only by inserting the wire end of the inner section wire on the ball head into the socket during assembly, so that the production efficiency can be greatly improved.

The invention has the beneficial effects that:

optimize wiring structure, improve the convenience of use. According to the invention, the wire penetrates through the ball head, the ball head also supports the wire, the wire can be wired and wired along the direction of the clamp lever, the wire can be connected into the bipolar scissors right behind the rear handle and approximately corresponds to the position of the clamp lever, the sight is shielded, the operation interference of an opponent is minimized, the wiring path is simplified, and the operation is convenient.

Drawings

FIG. 1 is a schematic view of a pair of bipolar scissors embodying the present invention;

FIG. 2 is a schematic view of an assembly structure of the present invention;

FIG. 3 is a top view of the present invention;

fig. 4 is a schematic view showing the structure of a scissor head in bipolar scissors to which the present invention is applied.

In the figure, 1-a clamp rod, 2-a rotating wheel, 3-a ball head, 4-a ball seat, 5-a front handle, 6-a rear handle, 7-a lead, 8-a scissor head, 9-a sleeve, 10-a pull tube, 11-a scissor head seat, 12-a blade, 13-a sliding groove, 14-a connecting rod, 15-a driving pin rod, 16-a shifting pin, 17-a shifting pin sliding groove and 18-a socket.

Detailed Description

The invention is further illustrated by the following specific embodiments in conjunction with the accompanying drawings.

Example (b):

as shown in fig. 1 to 4, a ball head structure of a pair of bipolar scissors is arranged in the pair of bipolar scissors, the pair of bipolar scissors comprises a forceps rod 1, a rotating wheel 2, a front handle 5, a rear handle 6, a conducting wire 7 and a scissors head 8, the scissors head 8 is arranged at the front end of the forceps rod 1, the forceps rod 1 is fixed on the rotating wheel 2, the rotating wheel 2 is connected with the rear handle 6, the front handle 5 is hinged on the rear handle 6, the conducting wire 7 is electrically connected with the scissors head 8, a ball head 3 made of nylon is arranged at the tail end of the forceps rod 1, the ball head 3 is in a flat cylindrical shape, the ball head 3 is arranged on a ball seat 4, the ball seat 4 is hinged on the rear handle 6 and is simultaneously connected with the front handle 5, and. The pliers pole 1 comprises a sleeve 9 and a pull pipe 10, the sleeve 9 is fixed on the rotating wheel 2, a scissor head seat 11 is fixed at the front end of the sleeve 9, the scissor head seat 11 is made of ceramics, a scissor head 8 is connected to the scissor head seat 11 through a link mechanism, the pull pipe 10 penetrates into the sleeve 9, the front end of the pull pipe 10 is connected with the link mechanism, the ball head 3 is tightly sleeved at the tail end of the pull pipe 10, and a wire 7 penetrates through the pull pipe 10 to be connected with the scissor head 8. The scissor head 8 comprises a pair of blades 12, an insulating layer is arranged on the inner sides of the two blades 12, the two blades 12 are symmetrically hinged to two side faces of the scissor head base 11, a sliding groove 13 penetrating through the two side faces is formed in the scissor head base 11, the connecting rod mechanism comprises two connecting rods 14 and a driving pin rod 15, the two connecting rods 14 are respectively arranged on two sides of the scissor head base 11 and hinged to the two blades 12 in a one-to-one correspondence mode, the driving pin rod 15 penetrates through the sliding groove 13, two ends of the driving pin rod 15 are exposed, the two connecting rods 14 are respectively connected with two ends of the driving pin rod 15, and the front end of the pull pipe 10 is. The top of ball seat 4 is equipped with the bulb bayonet socket, and 3 joints of bulb are in the bulb bayonet socket, and 4 middle parts of ball seat are equipped with the ball seat pivot, and the ball seat pivot is rotated and is pegged graft on locating the shaft hole of

back

6, and 3 bottoms of bulb are equipped with thumb pin 16, and thumb pin 16 is connected 5 with the front. The top end of the front handle 5 is provided with a shifting pin sliding groove 17, and the shifting pin 16 is connected in the shifting pin sliding groove 17 in a sliding way. The rear handle 6 comprises two symmetrical shells which are clamped and spliced. The lead 7 comprises an outer section line and an inner section line, a socket 18 electrically connected with the outer section line is arranged in the rear handle 6, and the inner section line is connected between the socket 18 and the scissor head 8.

The bipolar scissors adopt a segmented connection mode to install the lead 7, the inner section wire is prefabricated inside the rear handle 6 in the production stage of parts before the bipolar scissors are assembled, and the wire end of the inner section wire on the ball head 3 is inserted into the socket 18 during final assembly, so that the whole wire connection of the lead 7 is completed. When using bipolar scissors to carry out the operation, before with two finger control 5, back 6 motions, before 5 swings, drive ball seat 4 and deflect, and then make another bulb bayonet socket drive bulb 3 pass through the trombone slide 10 pulling two blades 8 and open and shut, cut human tissue, cut the in-process tissue and switch on between two most advanced of two blades 8, circular telegram between two most advanced, directly congeal, stanch human tissue incision face, and need not in addition with other apparatus and congeal the hemostasis alone, the efficiency of the operation is improved, it is more convenient and safe to use. The rotating wheel 2 rotates on the rear handle 6 to drive the sleeve 9 and the scissor head 8 to rotate for an angle around the axis of the forceps rod 1 to adapt to the direction of the human tissue to be cut.

Claims

1. The utility model provides a bipolar scissors bulb structure, locate bipolar scissors, bipolar scissors includes tong bar (1), runner (2), preceding (5), back (6), wire (7) and scissors head (8), scissors head (8) are located tong bar (1) front end, tong bar (1) are fixed on runner (2), runner (2) are connected with back (6), preceding (5) are articulated on back (6), wire (7) are connected with scissors head (8) electricity, characterized by tong bar (1) end is equipped with bulb (3), bulb (3) are installed on a ball seat (4), ball seat (4) are articulated on back (6) and are connected with preceding (5) simultaneously, wire (7) pass bulb (3) and get into tong bar (1).

2. The ball head structure of the bipolar scissors according to claim 1, wherein the forceps rod (1) comprises a sleeve (9) and a pull tube (10), the sleeve (9) is fixed on the rotating wheel (2), a scissors head seat (11) is fixed at the front end of the sleeve (9), the scissors head (8) is connected to the scissors head seat (11) through a link mechanism, the pull tube (10) penetrates through the sleeve (9), the front end of the pull tube (10) is connected with the link mechanism, the ball head (3) is fixedly connected to the tail end of the pull tube (10), and the lead (7) penetrates through the pull tube (10) to be connected with the scissors head (8).

3. The ball head structure of the bipolar scissors according to claim 2, wherein the scissors head (8) comprises a pair of blades (12), the inner sides of the blades (12) are provided with an insulating layer, the blades (12) are symmetrically hinged on two sides of the scissors head seat (11), the scissors head seat (11) is provided with a sliding slot (13) penetrating through the two sides, the link mechanism comprises two connecting rods (14) and a driving pin rod (15), the two connecting rods (14) are respectively arranged on two sides of the scissors head seat (11) and are hinged with the blades (12) in a one-to-one correspondence manner, the driving pin rod (15) penetrates through the sliding slot (13), the two connecting rods (14) are respectively connected with two ends of the driving pin rod (15), and the front end of the pull tube (10) is connected with the driving pin rod (15).

4. The ball head structure of bipolar scissors according to claim 4, wherein the scissors head seat (11) is made of ceramic.

5. The ball head structure of the bipolar scissors according to claim 1, wherein the top of the ball seat (4) is provided with a ball head bayonet, the ball head (3) is clamped in the ball head bayonet, the bottom of the ball seat (4) is provided with a pulling pin (16), and the pulling pin (16) is connected with the front handle (5).

6. The ball head structure of the bipolar scissors according to claim 5, wherein the top end of the front handle (5) is provided with a shifting pin sliding groove (17), and the shifting pin (16) is slidably connected in the shifting pin sliding groove (17).

7. Bipolar bending shears according to any one of claims 1 to 6, wherein the rear handle (6) comprises two symmetrical shells which snap fit.

8. Bipolar curved scissors according to claim 7, characterised in that the wire (7) comprises an outer section of wire and an inner section of wire, the rear handle (6) being internally provided with a socket (18) electrically connected to the outer section of wire, the inner section of wire being connected between the socket (18) and the scissors head (8).