Electric hook for endoscopic surgery

Abstract

The utility model discloses an electric hook for endoscopic surgery, which relates to the technical field of electrocoagulation hooks, and comprises a grab handle, a rod body is movably inserted into the front end of the grab handle, an electrocoagulation hook is fixedly mounted in the rod body, and an air exhaust channel is formed in the rod body; a plurality of tooth grooves are formed in the lower portion of the outer surface of the rod body at equal intervals, a gear is rotationally installed on the lower side of the interior of the grab handle, the gear is connected with the tooth grooves in a meshed mode, an installation box is fixedly installed below the outer surface of the grab handle, and a driving assembly is fixedly installed in the installation box and is in transmission connection with the gear. The gear is driven by the motor to rotate, stepless adjustment of the length of the electrocoagulation hook is achieved, the electrocoagulation hook adapts to different surgical sites and surgical requirements, the flexibility and convenience of surgical operation are improved, the exhaust pipe and the exhaust channel are arranged in the electrocoagulation hook, after the electrocoagulation hook is connected with external exhaust equipment, air exhaust of the surgical sites can be achieved, the surgical view is kept clear, and the surgical efficiency is improved. And the operation efficiency and quality are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrocoagulation hook technical field especially relates to a kind of electric hook for endoscopic surgery. BACKGROUND

[0002] In rhinoplasty, endoscopic surgery has become an important technical means, which provides clearer and more detailed surgical field, making the operation more accurate, faster postoperative recovery, minimally invasive endoscopic surgery is the trend of surgical development, it is smaller than traditional surgical operation to the damage of tissue, can shorten average hospitalization time, reduce the pain that operation brings to patient, and patient recovery is also faster after operation. Electric hook is one of the instruments with the highest frequency of use in endoscopic surgery.

[0003] However, the traditional electric hook usually includes a handle and a fixed-length rod, however, due to the complexity of nasal cavity structure and the diversity of surgical needs, the electric hook with fixed length often cannot meet the needs of all surgical scenarios, and different specifications of electric hook often need to be frequently replaced according to the surgical operation of different parts, which not only delays the operation time but also increases the risk of intraoperative contamination, therefore, in order to solve the foregoing problems, we propose an electric hook for endoscopic surgery. SUMMARY

[0004] The utility model aims at solving the defects existing in prior art, and proposes an electric hook for endoscopic surgery.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] An electric hook for endoscopic surgery, comprising a handle, a rod body movably inserted at the front end of the handle, an electrocoagulation hook fixedly installed inside the rod body, and an air extraction channel formed in the rod body.

[0007] A plurality of tooth grooves are equidistantly formed below the outer surface of the rod body, a gear is rotatably installed on the lower side of the handle interior, the gear is meshingly connected with the tooth grooves, an installation box is fixedly installed below the outer surface of the handle, a drive assembly is fixedly installed inside the installation box, and the drive assembly is drivingly connected with the gear.

[0008] Further, a moving plate is slidably installed in the handle interior, a socket is fixedly installed in the moving plate, a conductive wire is fixedly installed at one end of the socket, a plug is fixedly installed at one end of the electrocoagulation hook inside the handle, the plug is inserted into the socket, the electrocoagulation hook is electrically connected with the conductive wire through the plug and the socket, and the conductive wire extends to the outside of the handle.

[0009] Further, the interior of the moving plate is fixedly installed with an air extraction pipe, one side of the air extraction pipe close to the rod body is a hard pipe, one side of the air extraction pipe away from the rod body is a soft pipe, the hard pipe and the soft pipe are divided by the moving plate, the hard pipe is matched with the air extraction channel, and one end of the soft pipe extends to the rear end of the handle and is fixedly installed with a pipe joint.

[0010] Further, two springs are fixedly installed between the moving plate and the rear end of the interior of the handle.

[0011] Further, the driving assembly comprises a gear box and a motor, the gear box is fixedly installed in the interior of the mounting box, the top of the gear box extends to the interior of the handle and is connected with the gear transmission, the motor is fixedly installed on one side of the gear box, the motor is connected with the gear transmission through the gear box, and the motor is a stepping motor.

[0012] Further, a control button is fixedly installed on the outer surface of the handle, and the control button is electrically connected with the motor and the conductive wire.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The utility model discloses a motor drives gear rotation, realizes stepless regulation of the length of the electrocoagulation hook, adapts to different surgical sites and surgical demands, improves the flexibility and convenience of surgical operation, and the built-in air extraction pipe and air extraction channel can realize air extraction of the surgical site after being connected with external air extraction equipment, keep the surgical field clear, and greatly improve the safety and accuracy of the nasal cavity operation. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings are used to provide further understanding of the utility model and constitute a part of the specification, are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation on the utility model.

[0016] Figure 1 It is one of the perspective views of the utility model;

[0017] Figure 2 It is the second perspective view of the utility model;

[0018] Figure 3 It is the sectional view of partial structure of the utility model;

[0019] Figure 4 It is the perspective view of partial structure of the utility model;

[0020] Figure 5 It is the Figure 4 The enlarged view of the middle A.

[0021] In the figure: 1, handle; 2, mounting box; 3, rod body; 4, electrocoagulation hook; 5, moving plate; 6, air suction pipe; 7, spring; 8, conductive wire; 9, air suction channel; 10, gear; 11, motor; 12, gear box; 13, gear slot. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model;

[0023] Referring to Figures 1-5 An electrocoagulation hook for endoscopic surgery, comprising a handle 1, a rod body 3 movably inserted at the front end of the handle 1, an electrocoagulation hook 4 fixedly installed inside the rod body 3, and an air suction channel 9 formed in the rod body 3; a plurality of gear slots 13 equidistantly formed on the lower surface of the outer surface of the rod body 3, a gear 10 rotatably installed on the lower side inside the handle 1, the gear 10 being in meshing connection with the gear slots 13, a mounting box 2 fixedly installed on the lower surface of the outer surface of the handle 1, a driving assembly fixedly installed inside the mounting box 2, and the driving assembly being in transmission connection with the gear 10. The driving assembly comprises a gear box 12 and a motor 11, the gear box 12 being fixedly installed inside the mounting box 2, the top of the gear box 12 extending into the inside of the handle 1 and being in transmission connection with the gear 10, the motor 11 being fixedly installed on one side of the gear box 12, the motor 11 being in transmission connection with the gear 10 through the gear box 12, and the motor 11 being a stepping motor.

[0024] When the length of the electrocoagulation hook needs to be adjusted, the motor 11 can be started, and then the motor 11 can drive the gear 10 to rotate through the gear box 12. The gear 10 is in meshing connection with the gear slots 13 on the outer surface of the rod body 3, thereby driving the rod body 3 to move forward and backward in the handle 1, so as to adjust the length of the electrocoagulation hook 4.

[0025] A moving plate 5 is slidably installed inside the handle 1, a socket is fixedly installed inside the moving plate 5, a conductive wire 8 is fixedly installed at one end of the socket, a plug is fixedly installed at one end of the electrocoagulation hook 4 located inside the handle 1, the plug is inserted into the socket, the electrocoagulation hook 4 is in electrical connection with the conductive wire 8 through the plug and the socket, and the conductive wire 8 extends to the outside of the handle 1. An air suction pipe 6 is fixedly installed inside the moving plate 5, one side of the air suction pipe 6 close to the rod body 3 is a hard pipe, one side of the air suction pipe 6 away from the rod body 3 is a soft pipe, the hard pipe and the soft pipe are divided by the moving plate 5, the hard pipe is matched with the air suction channel 9, and one end of the soft pipe extends to the rear end of the handle 1 and is fixedly installed with a pipe joint. Two springs 7 are fixedly installed between the moving plate 5 and the rear end inside the handle 1. A control button is fixedly installed on the outer surface of the handle 1, and the control button is in electrical connection with the motor 11 and the conductive wire 8.

[0026] The electric coagulation hook 4 is electrically connected with the conductive wire 8 through the plug and the socket, and the conductive wire 8 extends to the outside of the handle 1, so as to be connected with an external power source conveniently.

[0027] The moving plate 5 is internally fixedly provided with the air suction pipe 6, and the hard pipe part is matched with the air suction channel 9 in the rod body 3.

[0028] The spring 7 can push the moving plate 5 to move to the front end of the handle 1, and when the rod body 3 is not inserted into the handle 1, the socket and the hard pipe can extend out of the front end of the handle 1, so as to facilitate the assembly of the rod body 3 and the handle 1.

[0029] The utility model can be used in nasal cavity operation or other endoscope operation, can realize the adjustability of electric hook length, also has the air suction function, greatly improves the safety and accuracy of nasal cavity operation.

Claims

1. An electric hook for endoscopic surgery comprising a handle (1), characterized in that, The front end of the handle (1) movably inserts a rod body (3), the inside of the rod body (3) fixedly installs an electrocoagulation hook (4), and the inside of the rod body (3) is provided with an air extraction channel (9). A plurality of tooth grooves (13) are equidistantly arranged on the lower surface of the outer surface of the rod body (3), a gear (10) is rotatably arranged on the lower surface of the inside of the handle (1), the gear (10) is in meshing connection with the tooth grooves (13), an installation box (2) is fixedly arranged on the lower surface of the outer surface of the handle (1), a driving assembly is fixedly arranged in the inside of the installation box (2), and the driving assembly is in transmission connection with the gear (10). A moving plate (5) is slidably arranged in the inside of the handle (1), a socket is fixedly arranged in the inside of the moving plate (5), a conductive wire (8) is fixedly arranged at one end of the socket, a plug is fixedly arranged at one end of the electrocoagulation hook (4) arranged in the inside of the handle (1), the plug is in plug connection with the socket, the electrocoagulation hook (4) is in electrical connection with the conductive wire (8) through the plug and the socket, and the conductive wire (8) extends to the outside of the handle (1). The driving assembly comprises a gear box (12) and a motor (11), the gear box (12) is fixedly arranged in the inside of the installation box (2), the top of the gear box (12) extends to the inside of the handle (1) and is in transmission connection with the gear (10), the motor (11) is fixedly arranged on one side of the gear box (12), the motor (11) is in transmission connection with the gear (10) through the gear box (12), and the motor (11) is a stepping motor.

2. An electric hook for endoscopic surgery according to claim 1, characterized in that An air extraction pipe (6) is fixedly arranged in the inside of the moving plate (5), one side of the air extraction pipe (6) close to the rod body (3) is a hard pipe, one side of the air extraction pipe (6) away from the rod body (3) is a soft pipe, the hard pipe and the soft pipe are divided by the moving plate (5), the hard pipe is matched with the air extraction channel (9), and one end of the soft pipe extends to the rear end of the handle (1) and is fixedly provided with a pipe joint.

3. An electric hook for endoscopic surgery according to claim 1, wherein Two springs (7) are fixedly arranged between the moving plate (5) and the rear end of the inside of the handle (1).

4. An electric hook for endoscopic surgery according to claim 1, wherein A control button is fixedly arranged on the outer surface of the handle (1), and the control button is in electrical connection with the motor (11) and the conductive wire (8).

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