Cutter handle suitable for nasal surgery

Abstract

The utility model discloses a cutter handle suitable for a nasal surgery. The cutter handle comprises a shell 13; the connector assembly is in a hollow tube shape, the connector assembly is fixedly arranged at the front end of the shell 13, and the connector assembly is used for limiting the scalpel head; the power assembly is in a hollow tube shape, the power assembly is fixedly arranged in the shell 13, the power assembly provides rotating power for the scalpel head, and the hollow part of the connector assembly and the hollow part of the power assembly form a through flow channel; the rear cover 20 is fixedly arranged at the rear end of the shell 13, two through holes are formed in the rear cover 20, and one of the two through holes of the rear cover 20 and the hollow part of the power assembly form a through flow channel; the power supply assembly is electrically connected with the power assembly, the other one of the two through holes of the rear cover 20 is used for allowing the power supply assembly to pass through, and the power supply assembly is used for being connected with an external power supply. A liquid path channel is formed through the hollow structure design to discharge waste liquid outwards, and the problem that the liquid path channel is prone to being blocked is thoroughly solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of medical apparatus and instruments, and particularly relates to a cutter handle suitable for rhinology surgery. BACKGROUND

[0002] With the development of paranasal sinus physiology and otolaryngology medical apparatus and instruments, endoscopic sinus surgery is to thoroughly remove lesions and reestablish the good ventilation and drainage of nasal cavity and paranasal sinus, so as to achieve the purpose of treating sinusitis and nasal polyps. In order to achieve a kind of non-injury and painless super micro-invasive therapy, the cutter handle can carry the cutting head to the deep and hidden part of the nasal cavity, and cut, crush or completely remove the lesion in the nasal cavity. The cutter handle for rhinology surgery makes the surgery more rapid and fine, reduces the trauma and discomfort of the patient, reduces the risk of bleeding during the surgery, and improves the safety of the surgery. Therefore, the structure design of the cutter handle for rhinology surgery needs to be further discussed, and the overall performance needs to be more efficient and safe. SUMMARY

[0003] The utility model aims at providing a cutter handle suitable for rhinology surgery, and the specific technical scheme is as follows:

[0004] A cutter handle suitable for rhinology surgery, comprising: a shell; a joint assembly, the joint assembly being hollow tubular, the joint assembly being fixedly arranged at the front end of the shell, and the joint assembly being used for limiting a surgical knife head; a power assembly, the power assembly being hollow tubular, the power assembly being fixedly arranged in the shell, the power assembly providing rotary power for the surgical knife head, and the hollow parts of the joint assembly and the power assembly forming a through flow channel; a rear cover, the rear cover being fixedly arranged at the rear end of the shell, two through holes being arranged on the rear cover, one of the two through holes of the rear cover and the hollow part of the power assembly forming a through flow channel; and a power supply assembly, the power supply assembly being electrically connected with the power assembly, the other of the two through holes of the rear cover being used for the power supply assembly, and the power supply assembly being used for connecting an external power source.

[0005] The joint assembly comprises: a front end seat, the front end seat being fixedly arranged at the front end of the shell; a lock sleeve, the lock sleeve comprising a base and a ball, at least one tapered through hole being arranged around the base, and the diameter of the ball being greater than the diameter of the tapered through hole in the inner wall of the base; and a front end cover, the front end cover being movably arranged at the front end of the front end seat through a spring, the front end cover being sleeved on the base, the ball being limited to extend out of the inner wall of the base, a ball groove being arranged on the inner wall of the front end cover, the ball groove being communicated with the tapered through hole when the front end cover presses the spring, and the ball not extending out of the inner wall of the base.

[0006] The joint assembly further comprises a front stop ring, the front stop ring being arranged at the front end of the front end cover, and the front stop ring being used for limiting the surgical knife head.

[0007] The power assembly comprises a transmission sleeve, a front connecting piece, a motor and a rear connecting piece, the front end of the rotating shaft of the motor is rotationally connected with the front end of the shell through the front connecting piece and passes through the front connecting piece, the transmission sleeve is fixedly arranged at the front end of the rotating shaft of the motor, the other end of the rotating shaft of the motor is rotationally connected with the shell through the rear connecting piece, the transmission sleeve is used for providing rotating power for the scalpel head, and the rotating shaft of the motor is a hollow pipe.

[0008] The front connecting piece comprises a front bearing, a front shaft sleeve, a flat washer and a circlip, the outer ring of the front bearing is fixedly connected with the front end of the shell through the front shaft sleeve, the flat washer and the circlip, and the inner ring of the front bearing is sleeved on the front end of the rotating shaft of the motor.

[0009] The front connecting piece further comprises a front packing seal, the front packing seal is arranged between the transmission sleeve and the front shaft sleeve, and the front packing seal is compressed when the transmission sleeve is connected with the front end of the rotating shaft of the motor.

[0010] The rear connecting piece comprises a rear bearing and a rear shaft sleeve, the outer ring of the rear bearing is fixedly connected with the rear end of the shell through the rear shaft sleeve and a rear cover, and the inner ring of the rear bearing is sleeved on the rear end of the rotating shaft of the motor.

[0011] The rear connecting piece further comprises a liquid discharge connector, one end of the liquid discharge connector is communicated with the hollow part of the rotating shaft of the motor, and the other end of the liquid discharge connector passes through the rear cover and discharges liquid.

[0012] The rear connecting piece further comprises a rear packing seal and a long wave pad, the rear packing seal is arranged between the rear shaft sleeve and the liquid discharge connector, the rear packing seal is compressed when the liquid discharge connector is connected with the rear end of the rotating shaft of the motor, and the long wave pad is arranged between the motor and the rear bearing and is used for providing buffering when the liquid discharge connector is inserted and pulled out of the liquid discharge pipe.

[0013] The power supply assembly comprises a power supply line and a power supply connector, one end of the power supply line is electrically connected with the motor, the other end of the power supply line is electrically connected with the power supply connector, and the power supply connector is used for connecting an external power supply.

[0014] The power supply assembly further comprises a power supply tail seat, the power supply tail seat comprises a copper sleeve, a tail pipe and a tail sleeve, the tail pipe is embedded in the rear cover, the copper sleeve is arranged at one end of the tail pipe in the rear cover, and the tail sleeve is arranged at the other end of the tail pipe outside the rear cover, and the power supply tail seat is used for protecting the position of the electrical connection between the power supply line and the motor from the influence of the external environment.

[0015] The above technical scheme of the utility model has the following beneficial technical effects: in the process of endoscopic surgery, the crushed or resected bone tissue or soft tissue and waste liquid are discharged through the liquid passage formed by the hollow structure, the waste liquid is directly discharged outside through the hose connected with the suction device, the problem of easy blockage of the liquid passage is solved, the efficiency of rhinology surgery is improved, and the high-efficiency and safe completion of surgery is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is an explosion structure schematic view of the utility model;

[0017] Figure 2 is the structure schematic diagram after the utility model is assembled;

[0018] Wherein: 1 - front baffle, 2 - front end cover, 3 - base, 4 - ball, 5 - spring, 6 - front end seat, 7 - transmission sleeve, 8 - clasp spring, 9 - flat washer, 10 - front seal, 11 - front shaft sleeve, 12 - front bearing, 13 - shell, 14 - motor, 15 - long wave pad, 16 - rear bearing, 17 - rear shaft sleeve, 18 - rear seal, 19 - copper sleeve, 20 - rear cover, 21 - tail pipe, 22 - liquid discharge connector, 23 - tail sleeve, 24 - power cord, 25 - power connector. DETAILED DESCRIPTION

[0019] To make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further explained in detail below in combination with specific implementation manners and with reference to the drawings. It should be understood that these descriptions are only exemplary, and are not intended to limit the scope of the utility model. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0020] A cutter handle suitable for rhinology surgery, comprising: a shell 13; a connector assembly, the connector assembly is hollow tubular, the connector assembly is fixedly arranged at the front end of the shell 13, and the connector assembly is used for limiting a surgical knife head; a power assembly, the power assembly is hollow tubular, the power assembly is fixedly arranged in the shell 13, the power assembly provides rotary power for the surgical knife head, and the hollow parts of the connector assembly and the power assembly form a through flow channel; a rear cover 20, the rear cover 20 is fixedly arranged at the rear end of the shell 13, the rear cover 20 is provided with two through holes, and one of the two through holes of the rear cover 20 forms a through flow channel with the hollow part of the power assembly; a power supply assembly, the power supply assembly is electrically connected with the power assembly, the other of the two through holes of the rear cover 20 is used for passing the power supply assembly, and the power supply assembly is used for connecting an external power supply. In the process of endoscopic surgery, minced or resected bone tissue or soft tissue and waste liquid are passed through the hollow structure to form a liquid path channel, the waste liquid is directly discharged to the outside through a suction device connected by a hose, the problem that the liquid path channel is easily blocked is completely solved, the rhinology surgery efficiency is improved, and the efficient and safe completion of the surgery is ensured.

[0021] The joint assembly comprises: a front end seat 6 fixedly arranged at the front end of the shell 13; a lock sleeve comprising a base 3 and a ball 4, the base 3 is provided with at least one tapered through hole around, and the diameter of the ball 4 is greater than that of the inner wall of the base 3; a front end cover 2 movably arranged at the front end of the front end seat 6 through a spring 5, the front end cover 2 is sleeved on the base 3, the ball 4 extends out of the inner wall of the base 3 under the limitation of the inner wall of the front end cover 2, the inner wall of the front end cover 2 is provided with a ball groove, the ball groove is communicated with the tapered through hole when the spring 5 is pressed by the front end cover 2, and the ball 4 does not extend out of the inner wall of the base 3. The joint assembly further comprises a front check ring 1 arranged at the front end of the front end cover 2, and the front check ring 1 is used for limiting the surgical knife head. The power assembly comprises a transmission sleeve 7, a front connecting piece, a motor 14 and a rear connecting piece, the front end of the rotating shaft of the motor 14 is rotatably connected with the front end of the shell 13 through the front connecting piece and penetrates through the front connecting piece, the transmission sleeve 7 is fixedly arranged at the front end of the rotating shaft of the motor 14, the other end of the rotating shaft of the motor 14 is rotatably connected with the shell 13 through the rear connecting piece, the transmission sleeve 7 is used for providing rotary power for the surgical knife head, and the rotating shaft of the motor 14 is a hollow tubular.

[0022] The front connecting piece further comprises: a front packing seal 10 arranged between the transmission sleeve 7 and the front shaft sleeve 11, and the front packing seal 10 is pressed when the transmission sleeve 7 is connected with the front end of the rotating shaft of the motor 14. In this way, the sealing of the connection is realized, and the liquid leakage is avoided.

[0023] The rear connecting piece comprises a rear bearing 16 and a rear shaft sleeve 17, the outer ring of the rear bearing 16 is fixedly connected with the rear end of the shell 13 through the rear shaft sleeve 17 and a rear cover 20, and the inner ring of the rear bearing 16 is sleeved on the rear end of the rotating shaft of the motor 14. The rear connecting piece further comprises a liquid discharge connector 22, one end of the liquid discharge connector 22 is communicated with the hollow part of the rotating shaft of the motor 14, and the other end of the liquid discharge connector 22 penetrates out of the rear cover 20 to discharge liquid. The rear connecting piece further comprises a rear packing seal 18 and a long wave pad 15, the rear packing seal 18 is arranged between the rear shaft sleeve 17 and the liquid discharge connector 22, the rear packing seal 18 is pressed when the liquid discharge connector 22 is connected with the rear end of the rotating shaft of the motor 14, and the long wave pad 15 is arranged between the motor 14 and the rear bearing 16, and the long wave pad 15 is used for providing buffering when the liquid discharge connector 22 is inserted and pulled out of the liquid discharge pipe.

[0024] The power supply assembly comprises a power supply line 24 and a power supply connector 25. One end of the power supply line 24 is electrically connected to the motor 14, and the other end of the power supply line 24 is electrically connected to the power supply connector 25. The power supply connector 25 is used for connecting an external power supply. The power supply assembly further comprises a power supply tail seat, which comprises a copper sleeve 19, a tail pipe 21 and a tail sleeve 23. The tail pipe 21 is embedded in the rear cover 20. The copper sleeve 19 is arranged at one end of the tail pipe 21 located in the rear cover 20. The tail sleeve 23 is arranged at the other end of the tail pipe 21 located outside the rear cover 20. The power supply tail seat is used for protecting the electrically connected position of the power supply line 24 and the motor 14 from the external environment.

Claims

1. A cutter handle suitable for use in nasal surgery, characterized in that, It comprises: a shell (13); a joint assembly, which is hollow tubular, is fixedly arranged at the front end of the shell (13), and is used for limiting the head of a surgical knife; a power assembly, which is hollow tubular, is fixedly arranged in the shell (13), and provides rotating power for the head of a surgical knife, the hollow parts of the joint assembly and the power assembly form a through flow channel; a rear cover (20), which is fixedly arranged at the rear end of the shell (13), is provided with two through holes, one of the two through holes of the rear cover (20) forms a through flow channel with the hollow part of the power assembly; a power supply assembly, which is electrically connected with the power assembly, passes through the other through hole of the rear cover (20), and is used for connecting an external power source.

2. The cutter handle for use in nasal surgery according to claim 1, wherein The joint assembly comprises: a front end seat (6), which is fixedly arranged at the front end of the shell (13); a lock sleeve, which comprises a base (3) and a ball (4), the base (3) is provided with at least one tapered through hole around, and the diameter of the ball (4) is greater than that of the inner wall of the tapered through hole in the base (3); a front end cover (2), which is movably arranged at the front end of the front end seat (6) through a spring (5), is sleeved on the base (3), and the ball (4) extends out of the inner wall of the base (3) under the limitation of the inner wall of the front end cover (2), the inner wall of the front end cover (2) is provided with a ball (4) groove, the ball (4) groove communicates with the tapered through hole when the front end cover (2) presses the spring (5), and the ball (4) does not extend out of the inner wall of the base (3).

3. The cutter handle for nasal surgery of claim 1, wherein, The power assembly comprises a transmission sleeve (7), a front connecting piece, a motor (14), and a rear connecting piece, the front end of the rotating shaft of the motor (14) is rotatably connected with the front end of the shell (13) through the front connecting piece and penetrates through the front connecting piece, the transmission sleeve (7) is fixedly arranged at the front end of the rotating shaft of the motor (14), the other end of the rotating shaft of the motor (14) is rotatably connected with the shell (13) through the rear connecting piece, the transmission sleeve (7) is used for providing rotating power for the head of a surgical knife, and the rotating shaft of the motor (14) is hollow tubular.

4. The cutter handle for use in nasal surgery according to claim 3, wherein The front connecting piece comprises a front bearing (12), a front shaft sleeve (11), a flat washer (9), and a circlip (8), the outer ring of the front bearing (12) is fixedly connected with the front end of the shell (13) through the front shaft sleeve (11), the flat washer (9), and a clasp, and the inner ring of the front bearing (12) is sleeved on the front end of the rotating shaft of the motor (14).

5. The cutter handle for use in nasal surgery according to claim 4, wherein The front connecting piece further comprises a front grease seal (10), which is arranged between the transmission sleeve (7) and the front shaft sleeve (11), and the front grease seal (10) is pressed when the transmission sleeve (7) is connected with the front end of the rotating shaft of the motor (14).

6. The cutter handle for nasal surgery of claim 3, wherein The rear connecting member comprises a rear bearing (16) and a rear shaft sleeve (17), the outer ring of the rear bearing (16) is fixedly connected with the rear end of the shell (13) through the rear shaft sleeve (17) and the rear cover (20), and the inner ring of the rear bearing (16) is sleeved on the rear end of the rotating shaft of the motor (14).

7. The cutter handle for use in nasal surgery according to claim 6, wherein The rear connecting member further comprises a liquid discharge connector (22), one end of the liquid discharge connector (22) is in communication with the hollow part of the rotating shaft of the motor (14), and the other end of the liquid discharge connector (22) penetrates out of the rear cover (20) to discharge liquid.

8. The cutter handle for use in nasal surgery according to claim 7, wherein The rear connecting member further comprises a rear seal (18) and a long wave pad (15), the rear seal (18) is arranged between the rear shaft sleeve (17) and the liquid discharge connector (22), the rear seal (18) is compressed when the liquid discharge connector (22) is connected with the rear end of the rotating shaft of the motor (14), and the long wave pad (15) is arranged between the motor (14) and the rear bearing (16), and the long wave pad (15) is used for providing buffering when the liquid discharge connector (22) is inserted and pulled out of the liquid discharge pipe.

9. The cutter handle for use in nasal surgery according to claim 8, wherein The power supply assembly comprises a power supply line (24) and a power supply connector (25), one end of the power supply line (24) is electrically connected with the motor (14), the other end of the power supply line (24) is electrically connected with the power supply connector (25), and the power supply connector (25) is used for connecting an external power supply.

10. The cutter handle for use in nasal surgery according to claim 9, wherein The power supply assembly further comprises a power supply tail seat, the power supply tail seat comprises a copper sleeve (19), a tail pipe (21) and a tail sleeve (23), the tail pipe (21) is embedded in the rear cover (20), the copper sleeve (19) is arranged at one end of the tail pipe (21) located in the rear cover (20), and the tail sleeve (23) is arranged at the other end of the tail pipe (21) located outside the rear cover (20), the power supply tail seat is used for protecting the position of the electrical connection between the power supply line (24) and the motor (14) from the influence of external environment.

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