CN219250397U

CN219250397U - Electrically controlled bipolar closed cutting device

Info

Publication number: CN219250397U
Application number: CN202221631959.1U
Authority: CN
Inventors: 邱辉; 胡龙生; 欧阳华
Original assignee: Goldbov Photoelectronics Co ltd
Current assignee: Goldbov Photoelectronics Co ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2023-06-27
Anticipated expiration: 2032-06-28

Abstract

The utility model discloses an electrically controlled bipolar closed cutting device, which belongs to the technical field of medical instruments and comprises a jaw, a cutter, a clamp rod and a handle, wherein a jaw system and a cutter system are arranged in the handle, a jaw buckle, an energy excitation key, a cutter key and a reset key are arranged on the handle, the jaw consists of a fixed jaw and a movable jaw, the jaw system consists of a motor a, a driving gear a, a toothed rod a and a jaw buckle, the cutter system consists of a motor b, a driving gear b, a toothed rod b and a cutter key, a jaw movable knob is arranged at the front end of the handle, and a control circuit is arranged in the handle. The bipolar closed cutting device controlled by the motor is convenient to operate and improves stability.

Description

Electrically controlled bipolar closed cutting device

Technical Field

The utility model belongs to the technical field of medical appliances, and particularly relates to an electrically-controlled bipolar closed cutting device.

Background

Bipolar coagulation devices are one of the most commonly used tools for rapid coagulation hemostasis and cutting in laparoscopic and open cavity procedures. The bipolar closed cutting device integrates two functions of coagulation and cutting, the cutting can be performed immediately without replacing tools after coagulation, and the damage to viscera caused by the fact that the replacing tools enter and exit the abdominal cavity is avoided, so that the operation is convenient. However, the manually controlled instrument requires a doctor to continuously provide two forces of support and pressing in the use process, and the shaking of the hand causes shaking of the instrument, so that the accuracy of coagulation and cutting operation is affected, and viscera are easily injured by mistake.

Thus, in view of this situation, there is an urgent need to design and produce an electronically controlled bipolar closure cutting device to meet the needs of actual use.

Disclosure of Invention

The present utility model is directed to an electrically controlled bipolar closed cutting device to solve the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an electric control's bipolar closed cutting device, includes jaw, cutter, claw beam and handle, be equipped with jaw system and cutter system in the handle, be provided with jaw handle, energy excitation key, cutter button and reset key on the handle, the jaw comprises fixed jaw and movable jaw, jaw system comprises motor a, drive gear a, toothed bar a and jaw handle, cutter system comprises motor b, drive gear b, toothed bar b and cutter button, the front end of handle is equipped with jaw activity knob, be provided with control circuit in the handle.

In a further embodiment, the clamp bar is comprised of an outer tube, an intermediate tube and an inner tube.

In a further embodiment, an insulating layer is arranged on the outer side of the outer tube, an opening and closing cross rod is arranged at the end part of the outer tube, the opening and closing cross rod is embedded in a groove at the lower end of the back of the movable jaw, and a connecting ring and a toothed bar a are arranged on the outer tube.

In a further embodiment, the middle tube is arranged in the outer tube, a fixed jaw is arranged on the middle tube, the movable jaw is connected to the fixed jaw through a connecting piece, an insulating layer is arranged inside the fixed jaw, and a metal jaw gasket is stuck on the insulating layer.

In a further embodiment, the inner tube is arranged in the middle tube, one end of the inner tube is connected with a cutter through a cutter fixing seat, and the other end of the inner tube is welded with a toothed bar b.

In a further embodiment, a cutter key is arranged at the grip part of the handle, an energy excitation key is arranged above the cutter key, and a reset key penetrates through the handle body and is arranged at two sides of the handle.

In a further embodiment, the jaw system is engaged with the bevel gear a on the gear a through the driving gear a welded at the front end of the output shaft of the motor a, and the straight teeth on the gear a are engaged with the tooth grooves on the toothed bar a.

In a further embodiment, the cutter system is meshed with the bevel gear b on the gear b through a driving gear b welded at the front end of the output shaft of the motor b, and the straight teeth on the gear b are meshed with the tooth grooves on the toothed bar b.

In a further embodiment, a thermal resistance sensor is arranged in the handle, a jaw gasket is arranged on the fixed jaw, a first lead is arranged in the inner tube, the jaw gasket is connected with the thermal resistance sensor through the first lead, and the energy excitation key is connected with the middle tube, the fixed jaw, the movable jaw and the outer tube through the second lead.

In a further embodiment, the wire opening on the jaw movable knob is matched with the square connecting ring on the outer tube, the wire opening is arranged in the positioning ring in the handle, the jaw is provided with a straight jaw and a bent jaw, the back of the jaw is provided with an insulating coating, the movable jaw is provided with a saw-tooth biting tooth, and the movable jaw is embedded with a temperature control conductive non-stick material.

The utility model has the technical effects and advantages that: the electric control bipolar closed cutting device is characterized in that a clamp rod is of a nested design of three layers of pipes, a clamp jaw is connected with a middle pipe, a cutter is arranged on the inner pipe through a cutter fixing seat, and the opening and closing of a movable clamp jaw are controlled through the expansion and contraction of the outer pipe;

two small motors and a control circuit are arranged in the handle, the motor a is used for controlling the opening and closing of the jaw, the motor b is used for controlling the extension and contraction of the cutter, the electric control is more accurate and labor-saving, and the problem that clamping tissues slip due to insufficient holding power during manual operation is effectively avoided;

adopt gear drive's mode transmission power, not only promoted transmission efficiency, still made the inside structure of handle compacter, help optimizing the handle size, make the handle smaller, the power that the motor provided is exported jaw and cutter through gear drive steadily, has promoted the stability of operation, and this electric control's bipolar closed cutting device, convenient operation has improved stability.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a front view of the clamp lever of the present utility model;

figure 3 is a front view of the cutter system of the present utility model;

fig. 4 is a front view of the jaws of the present utility model.

In the figure: 1. a jaw; 101. a fixed jaw; 102. a movable jaw; 2. a cutter; 3. a clamp lever; 301. an outer tube; 302. a middle tube; 303. an inner tube; 4. a handle; 5. jaw clasp; 6. energy excites the bond; 7. a cutter key; 8. a jaw system; 801. a motor a; 802. a driving gear a; 803. a gear a; 804. a toothed bar a; 9. a cutter system; 901. a motor b; 902. a drive gear b; 903. a gear b; 904. a toothed bar b; 10. jaw movable knob; 11. a reset key; 12. an opening and closing cross bar; 13. a connecting ring; 14. a connecting piece; 15. a groove; 16. jaw pad; 17. a cutter fixing seat; 18. a wire opening; 19. a thermal resistance sensor.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.

In order to improve stability, an electrically controlled bipolar closed cutting device as shown in fig. 1 to 4 comprises a jaw 1, a cutter 2, a clamp rod 3 and a handle 4, wherein a jaw system 8 and a cutter system 9 are arranged in the handle 4, a jaw button 5, an energy excitation key 6, a cutter key 7 and a reset key 11 are arranged on the handle 4, the jaw 1 consists of a fixed jaw 101 and a movable jaw 102, the jaw system 8 consists of a motor a801, a driving gear a802, a gear a803, a toothed bar a804 and a jaw button 5, the cutter system 9 consists of a motor b901, a driving gear b902, a gear b903, a toothed bar b904 and the cutter key 7, a jaw movable knob 10 is arranged at the front end of the handle 4, a control circuit is arranged in the handle 4, the clamp rod 3 consists of an outer tube 301, an intermediate tube 302 and an inner tube 303, two small motors and control circuits are arranged in the handle 4, the motor a is used for controlling the opening and closing of the jaw 1, the motor b is used for controlling the expansion and the contraction of the jaw 901, the electrical control is more accurate and labor-saving, and the problem that the tissue cannot be clamped due to slipping is effectively avoided during manual operation;

the power is transmitted in a gear transmission mode, so that the transmission efficiency is improved, the structure inside the handle 4 is more compact, the size of the handle 4 is optimized, and the handle 4 is smaller;

the power provided by the motor a and the motor b is stably output to the jaw 1 and the cutter 2 through gear transmission, so that the stability of operation is improved.

In order to conveniently control the opening and closing of the movable jaw 102, as shown in fig. 1 and 2, an insulating layer is arranged on the outer side of the outer tube 301, an opening and closing cross rod 12 is arranged at the end part of the outer tube 301, the opening and closing cross rod 12 is embedded in a groove 15 at the lower end of the back surface of the movable jaw 102, a connecting ring 13 and a toothed bar a804 are arranged on the outer tube 301, and the opening and closing of the movable jaw 102 is controlled through the expansion and contraction of the outer tube 301.

In order to facilitate cutting, as shown in fig. 1 and 2, an intermediate tube 302 is arranged in an outer tube 301, a fixed jaw 101 is arranged on the intermediate tube 302, a movable jaw 102 is connected to the fixed jaw 101 through a connecting piece 14, an insulating layer is arranged in the fixed jaw 101, a metal jaw gasket 16 is stuck on the insulating layer, an inner tube 303 is arranged in the intermediate tube 302, one end of the inner tube 303 is connected with a cutter 2 through a cutter fixing seat 17, a toothed bar b904 is welded at the other end of the inner tube 303, and the inner tube 303 is extended by power transmission of a motor b901, a driving gear b902, a gear b903 and the toothed bar b904, so that the cutter 2 is extended to cut tissues.

The handle 4 is provided with a cutter button 7 at the grip part, an energy excitation key 6 is arranged above the cutter button 7, a reset key 11 penetrates through the handle body and is arranged at two sides of the handle 4, the cutter button 7 is pressed to send a cutter 2 motion signal to a control circuit, the control circuit turns on a motor b901, the motor b901 rotates to drive a driving gear b902 to rotate, and the inner pipe 303 generates axial motion through power transmission among the driving gear b902, a gear b903 and a toothed bar b904, so that the cutter 2 stretches out or withdraws.

The wire mouth 18 on the jaw movable knob 10 is matched with the square connecting ring 13 on the outer tube 301, the wire mouth 18 is arranged in the positioning ring in the handle 4, the jaw 1 is provided with a straight jaw and a bent jaw, the back of the jaw 1 is provided with an insulating coating, the movable jaw 102 is provided with saw-tooth biting teeth, the movable jaw 102 is embedded with a temperature-control conductive non-stick material, and the temperature-control conductive non-stick material can prevent thermal damage caused by excessive electric coagulation.

The jaw system 8 is meshed with bevel gears on a gear a803 through a driving gear a802 welded at the front end of an output shaft of a motor a801, straight teeth on the gear a803 are meshed with tooth grooves on a toothed bar a804, the cutter system 9 is meshed with bevel gears on a driving gear b902 and a gear b903 welded at the front end of an output shaft of a motor b901, and the straight teeth on the gear b903 are meshed with tooth grooves on a toothed bar b904 to provide power for controlling the extension and retraction of the cutter 2.

The handle 4 is internally provided with a thermal resistance sensor 19, the fixed jaw 101 is provided with a jaw gasket 16, the inner tube 303 is internally provided with a first lead, the jaw gasket 16 is connected with the thermal resistance sensor 19 through the first lead, the energy excitation key 6 is connected with the middle tube 302, the fixed jaw 101, the movable jaw 102 and the outer tube 301 through the second lead, the first lead penetrates from the tail end of the inner tube 303, the outer side of the first lead is provided with an insulating sheath, the first lead is firstly connected with the thermal resistance sensor 19 and then enters the inner tube 303 from the thermal resistance sensor 19, and the first lead penetrates through the inner tube 303 and is connected with the jaw gasket 16.

The working principle of the electrically controlled bipolar closed cutting device is that firstly, the jaw 1 part of the instrument is sent into a part needing operation through an operation access to find out tissue needing to be electrically coagulated, a jaw clasp 5 is clasped, a control circuit starts a motor a801, an outer tube 301 is extended through power transmission of a driving gear a802, a gear a803 and a toothed bar a804, an opening and closing cross rod 12 on the outer tube 301 pushes a movable jaw 102 to rotate towards a fixed jaw 101, and the jaw 1 is closed to clamp the tissue;

performing an electrocoagulation operation, pressing an energy excitation key 6, and receiving an energy excitation signal by a control circuit to enable the device to be connected with high-frequency current so as to start the electrocoagulation;

after the electrocoagulation is finished, if the cutting operation is performed, the cutter key 7 is pressed, the control circuit starts the motor b901, the inner tube 303 stretches out through the power transmission of the driving gear b902, the gear b903 and the toothed bar b904, and the cutter 2 stretches out to perform the cutting operation on tissues;

finally, the reset key 11 is opened, the control circuit receives a circuit reverse signal to reversely connect the motor a801 and the motor b901, the jaw clasp 5 is buckled to open the jaw 1 to separate from tissues, the cutter button 7 is pressed to retract the cutter 2, the reset key 11 is closed, at the moment, the instrument is moved to the next position needing operation, and the electrocoagulation cutting is continued;

the jaw movable knob 10 can adjust the angle of the jaw 1 part, the jaw movable knob 10 is rotated, the square connecting ring 13 on the outer tube 301 is matched with the square hole of the jaw movable knob 10 to drive the outer tube 301 to synchronously rotate, the outer edges of the outer tube 301 and the fixed jaw 101 are matched, the fixed jaw 101 and the movable jaw 102 also synchronously rotate, and the movable range of the cutter 2 is limited by the cutter grooves in the movable jaw 102 and the fixed jaw 101, and the cutter 2 can synchronously rotate along with the jaw 1.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An electrically controlled bipolar closed cutting device comprises a jaw (1), a cutter (2), a clamp rod (3) and a handle (4), and is characterized in that: be equipped with in handle (4) and keep silent system (8) and cutter system (9), be provided with on handle (4) and keep silent handle (5), energy excitation key (6), cutter button (7) and reset key (11), keep silent (1) by fixed jaw (101) and activity keep silent (102) and constitute, keep silent system (8) by motor a (801), drive gear a (802), gear a (803), rack a (804) and keep silent handle (5) constitute, cutter system (9) by motor b (901), drive gear b (902), gear b (903), rack b (904) and cutter button (7) are constituteed, the front end of handle (4) is equipped with keep silent activity knob (10), be provided with control circuit in handle (4).

2. An electrically controlled bipolar closure cutting device as in claim 1 wherein: the clamp rod (3) consists of an outer tube (301), an intermediate tube (302) and an inner tube (303).

3. An electrically controlled bipolar closure cutting device as in claim 2 wherein: the outer side of the outer tube (301) is provided with an insulating layer, the end part of the outer tube (301) is provided with an opening and closing cross rod (12), the opening and closing cross rod (12) is embedded in a groove (15) at the lower end of the back of the movable jaw (102), and the outer tube (301) is provided with a connecting ring (13) and a toothed bar a (804) welded.

4. An electrically controlled bipolar closure cutting device as in claim 2 wherein: the middle pipe (302) is arranged in the outer pipe (301), a fixed jaw (101) is arranged on the middle pipe (302), the movable jaw (102) is connected to the fixed jaw (101) through a connecting piece (14), an insulating layer is arranged inside the fixed jaw (101), and a metal jaw gasket (16) is stuck on the insulating layer.

5. An electrically controlled bipolar closure cutting device as in claim 2 wherein: the inner tube (303) is arranged in the middle tube (302), one end of the inner tube (303) is connected with a cutter (2) through a cutter fixing seat (17), and the other end of the inner tube (303) is welded with a toothed bar b (904).

6. An electrically controlled bipolar closure cutting device as in claim 1 wherein: the handle is characterized in that a cutter key (7) is arranged at the grip part of the handle (4), an energy excitation key (6) is arranged above the cutter key (7), and reset keys (11) penetrate through the handle body and are arranged on two sides of the handle (4).

7. An electrically controlled bipolar closure cutting device as in claim 1 wherein: the jaw system (8) is meshed with bevel gears on a gear a (803) through a driving gear a (802) welded at the front end of an output shaft of a motor a (801), and straight teeth on the gear a (803) are meshed with tooth grooves on a toothed bar a (804).

8. An electrically controlled bipolar closure cutting device as in claim 1 wherein: the cutter system (9) is meshed with bevel teeth on a gear b (903) through a driving gear b (902) welded at the front end of an output shaft of a motor b (901), and straight teeth on the gear b (903) are meshed with tooth grooves on a toothed bar b (904).

9. An electrically controlled bipolar closed cutting device as in claim 5 wherein: the thermal resistance sensor (19) is arranged in the handle (4), the jaw gasket (16) is arranged on the fixed jaw (101), a first lead is arranged in the inner tube (303), the jaw gasket (16) is connected with the thermal resistance sensor (19) through the first lead, and the energy excitation key (6) is connected with the middle tube (302), the fixed jaw (101), the movable jaw (102) and the outer tube (301) through the second lead.

10. An electrically controlled bipolar closure cutting device as in claim 1 wherein: the wire mouth (18) on the jaw movable knob (10) is matched with the square connecting ring (13) on the outer tube (301), the wire mouth (18) is arranged in the positioning ring in the handle (4), the jaw (1) is provided with a straight jaw and a bent jaw, the back of the jaw (1) is provided with an insulating coating, the movable jaw (102) is provided with a saw-tooth biting tooth, and the movable jaw (102) is embedded with a temperature-control conductive non-stick material.