CN211534772U

CN211534772U - Rotatable hemostatic forceps

Info

Publication number: CN211534772U
Application number: CN201921868886.6U
Authority: CN
Inventors: 雷达
Original assignee: Anrei Medical HZ Co Ltd
Current assignee: Anrei Medical HZ Co Ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-09-22
Anticipated expiration: 2029-11-01

Abstract

A rotatable hemostatic forceps is characterized in that a sliding handle is sleeved on a handle in a sliding manner, an electrode for connecting high-frequency electricity and an electrode fixing seat are fixedly arranged on the sliding handle through threads, the electrode fixing seat is connected with a mandrel, the near end of the mandrel is connected with the sliding handle, the far end of the mandrel is fixed with the rear end of a forceps head assembly, the forceps head assembly comprises two forceps cups, a cup seat, connecting pieces, pins and a push-pull rod, the two forceps cups are hinged to the front end of the cup seat through the pins, the two forceps cups and the two connecting pieces form a four-bar mechanism, the push-pull rod controls the opening and closing of the two forceps cups through pushing and pulling the four-bar mechanism, the push-pull rod is connected with the far end of the mandrel, the rotatable hemostatic forceps further comprises a rotating wheel and a plastic-coated spring hose, the rotating wheel is rotatably arranged on the handle, the plastic-coated spring hose is fixedly connected with the front end of the handle, the mandrel, and the sliding handle drives the mandrel to move back and forth, and the rotating wheel drives the mandrel to rotate. The problem of present rotatable coagulation forceps in the use, the connecting wire winding that can produce during the rotation is solved, instrument operator's simple operation nature is obviously improved.

Description

Rotatable hemostatic forceps

Technical Field

The utility model relates to a medical appliance, in particular to a rotatable hemostatic forceps.

Background

With the wide development of endoscopic treatment, endoscopic high-frequency electrosection and electrocoagulation become more popular. Local bleeding is a common complication of endoscopic treatment. The high-frequency hemostatic forceps can clamp bleeding blood vessels or focus under the direct vision of the endoscope, can achieve the purpose of hemostasis by supplying high-frequency current, is a common instrument for hemostasis under the direct vision of the endoscope, and has strong practical value clinically.

Most of the hemostatic forceps in the market at present do not have a rotating function, so that if the forceps head needs to be accurately aligned with tissues, an endoscope operator and an instrument operator need to be matched with each other, and even a better tissue clamping angle can be achieved by multiple times of adjustment. For example, the electrocoagulation hemostatic forceps of Changzhou Helishi minimally invasive medical devices Limited has patent numbers: 201810111877.6 discloses an electric coagulation hemostatic forceps, which has a rotation function, but the rotation structure is that the rotation axis is driven by the rotation of the whole operation handle part, thereby driving the forceps head to rotate, and the operation is carried out by two hands, and if the handle is connected with a high-frequency electric generator in the rotation process, the connection wire is wound, which causes great trouble to the mechanical operator.

Disclosure of Invention

For solving foretell technical problem, the utility model aims at providing a rotatable hemostatic forceps, this rotatable hemostatic forceps is in the rotatory flexibility of operation in-process jaw subassembly, stops rotatory well electric wire winding problem simultaneously, and the operator can be operated by one hand and accomplish the jaw rotatory, obviously improves the convenience of clinician's operation.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a rotatable hemostatic forceps, includes the handle, slides the handle, the electrode, the dabber, electrode fixing base and binding clip subassembly, the slip cover is equipped with the slip handle on the handle, and the electrode that is used for putting through the high-frequency electricity sets up on the slip handle through thread tightening with the electrode fixing base, and the electrode fixing base is connected with the dabber, the dabber near-end is connected with the slip handle, and the dabber distal end is fixed with the rear end of binding clip subassembly, the binding clip subassembly includes two forceps cups, cup, connection piece, pin and push-and-pull rod, and two forceps cups pass through the pin and articulate the front end at the cup, and four-bar mechanism is constituteed to two forceps cups and two connection pieces, the opening and shutting of two forceps cups is controlled through this four-bar mechanism of push-and-pull rod.

Above-mentioned rotatable hemostatic forceps still includes the runner and wraps the plastic spring hose, the runner rotates and sets up on the handle, wrap plastic spring hose and handle front end fixed connection, the dabber is worn to establish in wrapping the plastic spring hose, and the near-end of dabber is fixed in the swivelling joint pipe and is connected with the electrode after running through the runner, and slides the handle and drive the dabber back-and-forth movement, and the runner drives the dabber and rotates.

Preferably, the rotary connecting pipe is flattened and fixed on the mandrel, a flat hole is formed in the rotating wheel, and the rotary connecting pipe penetrates through the flat hole so that the rotating wheel can drive the mandrel to rotate. When the rotating wheel is rotated, the rotating wheel drives the rotating connecting pipe to rotate, so that the mandrel is driven to rotate, the mandrel transmits the rotation to the binding clip assembly, the binding clip assembly can rotate towards any direction, the problem of wire winding is solved, and an operator can complete the rotating operation by one hand; the rotary connecting pipe is matched with the rotating wheel to realize transmission rotation and axial movement, and the rotary connecting pipe is simple in structure and convenient to install and manufacture.

Preferably, a ball head pipe is fixedly sleeved on the near end of the mandrel, the ball head pipe penetrates through an electrode fixing seat on the sliding handle, the mandrel achieves axial front and back limiting with the electrode fixing seat through the ball head pipe and a rotary connecting pipe, one end of the electrode is connected with an elastic electric brush, and the elastic electric brush is located in a slotted hole of the electrode, is connected with the electrode fixing seat through threads and is in compression joint with the ball head pipe. Therefore, when the sliding handle is moved forwards, the distance of the forward movement of the mandrel is limited by the ball head pipe and the electrode fixing seat; when the sliding handle is moved backwards, the distance of the backward movement of the mandrel is limited between the rotary connecting pipe and the electrode fixing seat.

Preferably, the sliding handle is in a shape of a double-finger ring, so that an operator can conveniently hook the sliding handle through the two fingers when pushing the sliding handle, and the phenomenon of slipping in the operation process is avoided.

Preferably, the tail end of the plastic-coated spring hose is welded with the rotating cylinder, and the rotating cylinder is sleeved at the rear end of the push-pull rod to axially fix the cup holder.

Preferably, the mandrel is made of flexible nickel titanium wires, so that the rotation transmission efficiency is high, the adjustment efficiency of the rotation angle is improved, the operation time is further shortened, and the pain of a patient is reduced.

The utility model discloses owing to adopted above technical scheme, the electrode that will put through the high-frequency electricity is fixed to be set up in the handle slotted hole that slides, rotate the runner and set up on the handle, runner and dabber can transmit and carry out circumferential motion, just so rotate the binding clip that the dabber just can rotate the package and mould the spring hose distal end through the runner, can prevent the electric wire winding when accomplishing the binding clip is rotatory, and realize one-hand operation, the continuous rotation of circumference fine setting function, and the electric wire winding has simple structure, the operation is mild reliable, advantages such as convenient operation. This technical scheme has solved the connecting wire winding problem in the rotatory process of present rotatable hemostatic forceps, can obviously improve apparatus operator's simple operation nature.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view at B in FIG. 1;

FIG. 3 is a schematic structural view of the head portion of the present invention;

fig. 4 is an enlarged view at a in fig. 1.

Detailed Description

The following describes in detail an embodiment of the present invention with reference to the drawings.

The rotatable coagulation forceps as shown in fig. 1-4 comprises a handle 11, a sliding handle 12, an electrode 25, a mandrel 26, an electrode holder 23 and a forceps head assembly 15, the handle 11 is sleeved with a sliding handle 12 in a sliding way, an electrode 25 for connecting high-frequency electricity and an electrode fixing seat 23 are fixedly arranged on the sliding handle 12 through threads, the electrode fixing seat 23 is connected with a mandrel 26, the near end of the mandrel 26 is connected with the sliding handle 12, the far end of the mandrel 26 is fixed with the rear end of the binding clip assembly 15, the binding clip assembly comprises two binding clip cups 151, a cup seat 152, a connecting piece 154, a pin 153 and a push-pull rod 156, wherein the two binding clip cups 151 are hinged at the front end of the cup seat 152 through the pin 153, the two binding clip cups 151 and the two connecting pieces 154 form a four-bar linkage mechanism, the push-pull rod 156 controls the opening and closing of the two forceps cups 151 by pushing and pulling the four-bar linkage, and the push-pull rod 156 is connected with the distal end of the mandrel 26. The rotating wheel 13 and the plastic-coated spring hose 14, the rotating wheel 13 is rotatably arranged on the handle 11, the plastic-coated spring hose 14 is fixedly connected with the front end of the handle 11, the mandrel 26 is arranged in the plastic-coated spring hose 14 in a penetrating mode, the near end of the mandrel 26 is fixed in the rotary connecting pipe 21 and is connected with the electrode 25 after penetrating through the rotating wheel 13, the sliding handle 12 drives the mandrel 26 to move back and forth, and the rotating wheel 13 drives the mandrel 26 to rotate.

In this embodiment, as shown in fig. 1 and fig. 2, the rotary connecting pipe 21 is flattened and fixed on the mandrel 26, the rotating wheel 13 is provided with a flat hole, and the rotary connecting pipe 21 passes through the flat hole, so that the rotating wheel 13 can drive the mandrel 26 to rotate; the near end of the mandrel 26 is sleeved and fixed with a ball head tube 22, the ball head tube 22 penetrates through an electrode fixing seat 23 on the sliding handle 12, the mandrel 26 realizes axial front and back limiting with the electrode fixing seat 23 through the ball head tube 22 and the rotary connecting tube 21, one end of the electrode 25 is connected with an elastic brush 24, and the elastic brush 24 is located in a slotted hole of the electrode 25, is connected with the electrode fixing seat 23 through threads and is in compression joint with the ball head tube 22.

As shown in fig. 2 and 3, the end of the plastic-coated spring hose 14 is welded to a rotary cylinder 155, and the rotary cylinder 155 is sleeved on the rear end of the push-pull rod 156.

During operation, the sliding handle 12 is pushed to drive the bulb tube 22 to move axially, so that the mandrel 26 fixed with the bulb tube 22 moves axially, the push-pull rod 156 connected with the mandrel moves axially, and the connecting piece 154 in the four-bar linkage structure is controlled to drive, so as to open and close the forceps cup 151. When the rotating wheel 13 is rotated, the rotating wheel 13 drives the rotating connecting pipe 21 to rotate, the rotating connecting pipe 21 drives the fixedly connected mandrel 26 to rotate, and the mandrel 26 transmits the rotation to the forceps head assembly 15, so that the forceps head assembly 15 rotates circumferentially, and the forceps cup 151 can be rapidly and accurately aligned to a bleeding blood vessel or a focus. When the sliding handle 12 is pushed to move back and forth, the electrode 25 also moves back and forth along with the sliding handle 12, and when the rotating wheel 13 moves circumferentially, the electrode 25 keeps static and does not rotate, so that the wire connected with the electrode 25 and used for high-frequency current input cannot be wound any time, and the convenience of an instrument operator is improved.

When the forceps cup 151 is aligned with a bleeding blood vessel or a focus, high-frequency current is input through the electrode 25, electric energy is transmitted to the mandrel 26 through the elastic brush 24 and the bulb tube 22, and then transmitted to the forceps cup 151 through the mandrel 26, and the forceps cup 151 is heated rapidly due to the fact that skin effect electric energy of the high-frequency current is converted into heat energy, and the effect of stopping bleeding is achieved.

The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A rotatable hemostatic forceps comprises a handle (11), a sliding handle (12), an electrode (25), a mandrel (26), an electrode fixing seat (23) and a forceps head assembly (15), and is characterized in that the sliding handle (12) is sleeved on the handle (11) in a sliding manner, the electrode (25) for connecting high-frequency electricity and the electrode fixing seat (23) are fixedly arranged on the sliding handle (12) through threads, the electrode fixing seat (23) is connected with the mandrel (26), the near end of the mandrel (26) is connected with the sliding handle (12), the far end of the mandrel (26) is fixed with the rear end of the forceps head assembly (15), the forceps head assembly comprises two forceps cups (151), a cup seat (152), a connecting sheet (154), a pin (153) and a push-pull rod (156), the two forceps cups (151) are hinged at the front end of the cup seat (152) through the pin (153), and the two forceps cups (151) and the two connecting sheets (154) form a four-bar mechanism, the push-pull rod (156) controls the opening and closing of the two forceps cups (151) by pushing and pulling the four-bar linkage, and the push-pull rod (156) is connected with the far end of the mandrel (26).

2. The rotatable hemostatic forceps as claimed in claim 1, further comprising a rotating wheel (13) and a plastic-coated spring hose (14), wherein the rotating wheel (13) is rotatably disposed on the handle (11), the plastic-coated spring hose (14) is fixedly connected with the front end of the handle (11), the mandrel (26) is inserted into the plastic-coated spring hose (14), the proximal end of the mandrel (26) is fixed in the rotary connecting pipe (21) and is connected with the electrode (25) after penetrating through the rotating wheel (13), the sliding handle (12) drives the mandrel (26) to move back and forth, and the rotating wheel (13) drives the mandrel (26) to rotate.

3. A rotatable hemostat according to claim 2 wherein the rotating connection tube (21) is crimped onto the mandrel (26) and the rotating wheel (13) has a flat hole through which the rotating connection tube (21) passes so that the rotating wheel (13) can rotate the mandrel (26).

4. The rotatable hemostatic forceps as claimed in claim 3, wherein the ball head tube (22) is fixed to the proximal end of the mandrel (26) in a sleeved manner, the ball head tube (22) passes through the electrode fixing seat (23) on the sliding handle (12), the mandrel (26) is axially limited forwards and backwards by the ball head tube (22) and the rotary connecting tube (21) and the electrode fixing seat (23), one end of the electrode (25) is connected with the elastic brush (24), and the elastic brush (24) is located in a slotted hole of the electrode (25), is connected with the electrode fixing seat (23) through a thread, and is pressed on the ball head tube (22).

5. The rotatable hemostat of claim 2, wherein the plastic-covered flexible spring tube (14) is welded at its distal end to a rotating cylinder (155), and the rotating cylinder (155) is sleeved on the rear end of the push-pull rod (156).

6. A rotatable hemostat according to claim 1 wherein the mandrel (26) is a flexible nickel titanium wire.