CN218128670U

CN218128670U - Ultrasonic crescent cutter head and crescent shovel cutter head

Info

Publication number: CN218128670U
Application number: CN202220444725.XU
Authority: CN
Inventors: 胡善云; 肖伟鹏; 梁泳强
Original assignee: Zhuhai Weierkang Biotechnology Co ltd
Current assignee: Zhuhai Weierkang Biotechnology Co ltd
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-12-27
Anticipated expiration: 2032-03-01

Abstract

The utility model discloses an supersound crescent moon tool bit and crescent moon shovel tool bit, including tool bit, cutting edge, cutter arbor, still include screwed joint, integrated into one piece design, cutter arbor one side sets up the tool bit, the opposite side sets up screwed joint, the tool bit front end is cut to offside cambered surface structure and is connected the cutting edge, the cutting edge front end is crescent moon cutting edge or axe shape cutting edge, the cutting edge is seted up the sawtooth and cutting edge both sides face is the blunt surface of circular arc, be equipped with torque wrench fixed knot between tool bit and the screwed joint and construct, the utility model discloses the cutting edge is crescent moon sawtooth cutting edge and axe shape sawtooth cutting edge, adaptable different operational environment, difficult landing, reduce the accident rate, more laminate the bone, can more accurate quick excision bone tissue, the cutting edge can let the coolant liquid contact the tool bit better, effectively reduces the tool bit heat production, cutting edge both sides circular arc blunt surface, push away the soft tissue effectively protects the soft tissue simultaneously in the operation, the cooling improves the operation security; the screwed joint is more convenient to assemble and disassemble the ultrasonic transducer, and is more convenient to clean and disinfect.

Description

Ultrasonic crescent cutter head and crescent shovel cutter head

Technical Field

The utility model relates to the technical field of medical equipment, specifically be an supersound crescent moon tool bit and crescent moon shovel tool bit.

Background

In bone surgery, ultrasonic osteotome heads are commonly used to cut, grind, shave or otherwise reshape bone. The blade-shaped cutter head of the existing ultrasonic blade is mainly used for cutting, and the cutter head is mainly in a straight blade shape. The application of the ultrasonic cutter head in the spine surgery has the following problems: the bone cutting speed is slow, the efficiency is low, the operation such as side scraping can not be completed for special positions, and the bone tissue can not be accurately and rapidly cut for special positions (such as special structure bone tissue such as intervertebral space and pedicle of vertebral arch). Especially in the orthopedics joint operation, also easy slippage takes place the displacement in unable laminating bone tissue, the operation, damages the soft tissue easily, and the tool bit generates heat easily and splits easily, easily causes the medical malpractice.

Aiming at the problems, innovative design is urgently needed on the basis of the structures of the cutter heads of various existing ultrasonic cutters.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an supersound crescent moon tool bit and crescent moon shovel tool bit to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an acoustic crescent knife head, includes tool bit, cutting edge, cutter arbor, still includes screwed joint, tool bit, cutting edge, cutter arbor and screwed joint integrated into one piece design, cutter arbor one side sets up tool bit, opposite side set up screwed joint, the tool bit front end is cut for offside cambered surface structure and is connected the cutting edge, the cutting edge front end is the falcate cutting edge, sawtooth and cutting edge both sides face are the circular arc blunt surface are seted up to the falcate cutting edge the tool bit with be equipped with torque wrench fixed knot between the screwed joint and construct.

Preferably, the threaded connector and the torque wrench fixing structure are hollow structures, the hollow structures are used as waterway channels, one end of each waterway channel is directly communicated with the threaded connector, a connecting pipe perpendicular to the waterway channels is arranged at the other end of each waterway channel, and the waterway channels are communicated with the cutter bar in a two-way mode and are provided with water outlets.

Preferably, the opposite side arc surface structure of the front end of the cutter head is smoothly connected with the cutting edge.

Preferably, the length of the hollow formation extends at least from the threaded connection to beyond the torque wrench holding formation and at most not to the tool bit.

The tool bit of the ultrasonic crescent shovel comprises a tool bit, a cutting edge, a tool bar and a threaded connector, wherein the tool bit, the cutting edge, the tool bar and the threaded connector are integrally formed, the tool bit is arranged on one side of the tool bar, the threaded connector is arranged on the other side of the tool bar, the front end of the tool bit is cut into an opposite side cambered surface structure and connected with the cutting edge, the front end of the cutting edge is an axe-shaped cutting edge, sawteeth are formed in the cutting edge of the axe-shaped cutting edge, two side surfaces of the cutting edge are circular-arc blunt surfaces, and a torque wrench fixing structure is arranged between the tool bit and the threaded connector

Preferably, the threaded connector and the torque wrench fixing structure are internally hollow structures, the hollow structures are used as water channels, one end of each water channel is directly communicated with the threaded connector, a connecting pipe perpendicular to the water channel is arranged at the other end of each water channel, the cutter bars are communicated in a two-way mode, and a water outlet is formed in each water channel.

Compared with the prior art, the beneficial effects of the utility model are that:

to the easy slippage of the conventional slice cutting edge of current supersound sword, the condition that leads to the surgical accident to take place, this practical supersound crescent moon tool bit and crescent shovel tool bit can gather ultrasonic transducer's energy in the tool bit tip, and the crescent cutting edge can let the coolant liquid better contact tool bit, effectively reduces the tool bit heat production.

1. The cutting edges of the tool bits used in the utility model are crescent saw blade edges and axe-shaped saw blade edges, the two tool bits can be adapted to different working environments, the crescent saw blade edges can be more attached to bones, the efficiency of cutting the bones by the saw blade edges is high, the ultrasonic tool bit is not easy to slip in spinal surgery, and the surgery efficiency is improved; the axe-shaped sawtooth blade is suitable for accurately and quickly cutting off bone tissues in special positions (such as intervertebral spaces, vertebral pedicle and other special structure bone tissues), and the sawtooth shape is not easy to slip.

2. The two side surfaces of the cutting edges of the two types of cutter heads are arc blunt surfaces, the blunt surface round corners are designed to push away soft tissues in an operation and simultaneously effectively protect the soft tissues, the threaded joints and the torque wrench fixing structures are arranged to be hollow, the water channel is communicated, the head of the cutter head can be ensured to be completely positioned in the cleaning and cooling of perfusion liquid discharged from the water outlet when contacting the tissues, the cut tissues can be ensured to be discharged immediately, the visual field of the cut is clear, the cooling effect of the cutter head is achieved, and the operation safety is improved; the threaded connector is more convenient to assemble and disassemble the ultrasonic transducer, and is more convenient to clean and disinfect.

Drawings

FIG. 1 is a schematic view of the whole structure of the ultrasonic crescent tool bit of the utility model;

fig. 2 is a partial schematic view of the ultrasonic crescent cutter head of the utility model;

FIG. 3 (1) is a front view of the ultrasonic crescent cutter head of the present invention;

fig. 3 (2) is a left view of the ultrasonic crescent cutter head of the utility model;

fig. 3 (3) is a top view of the ultrasonic crescent cutter head of the utility model;

FIG. 4 is a schematic view of the whole structure of the ultrasonic crescent shovel tool bit of the utility model;

FIG. 5 is a partial schematic view of the ultrasonic crescent shovel tool bit of the present invention;

FIG. 6 (1) is a front view of the ultrasonic crescent shovel tool bit of the utility model;

fig. 6 (2) is a left side view of the ultrasonic crescent shovel tool bit of the utility model;

fig. 6 (3) is a top view of the ultrasonic crescent shovel tool bit of the present invention;

in the figure: 1. a threaded joint; 2. a torque wrench fixing structure; 3. a waterway channel; 4. a water outlet; 5. a cutter bar; 6. a cutter head; 7. a crescent blade; 8. saw teeth; 9. a circular arc blunt surface; 10. an axe-shaped blade; 11. and (4) an arc surface structure.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

Please refer to fig. 1, fig. 2, fig. 3 (1), fig. 3 (2), and fig. 3 (3), which are a schematic view, a partial schematic view, and three views (front view, left view, and top view) of the ultrasonic crescent cutter head according to the present invention, and provide a technical solution: an ultrasonic crescent cutter head comprises a cutter head 6, a cutting edge, a cutter rod 5 and a threaded joint 1, wherein the cutter head 6, the cutting edge, the cutter rod 4 and the threaded joint 1 are integrally formed, the cutter head 6 is arranged on one side of the cutter rod 5, the threaded joint 1 is arranged on the other side of the cutter rod 5, the front end of the cutter head 6 is cut into an opposite side arc surface structure 11 and connected with the cutting edge, and the opposite side arc surface structure 11 at the front end of the cutter head 6 is smoothly connected with the cutting edge; the front end of the cutting edge is a crescent cutting edge 7, the cutting edge of the crescent cutting edge 7 is provided with sawteeth 8, two side surfaces of the cutting edge are arc blunt surfaces 9, and a torque wrench fixing structure 2 is arranged between the cutting head 6 and the threaded joint 1.

Screwed joint 1 and torque wrench fixed knot construct 2 inside be hollow structure, and hollow structure is as

waterway

3, and 3 one end of waterway directly communicate screwed joint 1, and the other end is equipped with the connecting pipe of perpendicular to waterway 3, and the connecting pipe two-way intercommunication cutter arbor sets up delivery port 4. The length of the hollow structure extends at least from the threaded joint 1 to beyond the torque wrench holding structure 2 and at most not to the cutting head 6.

Example two

With reference to fig. 4, fig. 5, fig. 6 (1), fig. 6 (2), and fig. 6 (3), the present invention provides another technical solution, including an overall schematic view, a partial schematic view, and three views (front view, left view, and top view):

an ultrasonic crescent shovel tool bit comprises a tool bit 6, a cutting edge, a tool bar 5 and a threaded joint 1, wherein the tool bit 6, the cutting edge, the tool bar 5 and the threaded joint 1 are integrally formed, the tool bit 6 is arranged on one side of the tool bar 5, the threaded joint 1 is arranged on the other side of the tool bar 5, the front end of the tool bit 6 is cut into an opposite side arc surface structure 11 and connected with the cutting edge, the front end of the cutting edge is an axe-shaped cutting edge 10, and the opposite side arc surface structure 11 on the front end of the tool bit 6 is smoothly connected with the cutting edge; the axe-shaped blade 10 has sawteeth 8 on the blade edge, two arc blunt surfaces 9 on the two side surfaces of the blade, and a torque wrench fixing structure 2 is arranged between the blade head 6 and the threaded joint 1.

The threaded connector 1 and the torque wrench fixing structure 2 are internally hollow structures, the hollow structures serve as a water channel 3, one end of the water channel 3 is directly communicated with the threaded connector 7, the other end of the water channel is provided with a connecting pipe perpendicular to the water channel 3, and the connecting pipe is communicated with the cutter bar 5 in a two-way mode and is provided with a water outlet 4. The length of the hollow structure extends at least from the threaded joint 1 to beyond the torque wrench securing structure 2 and at most not to the tool bit 6.

The utility model discloses an supersound crescent moon tool bit and crescent moon shovel tool bit all are the accessory in supersound sword series product, cooperate ultrasonic transducer, use as the tool bit, and in practical application, the supersound crescent moon tool bit of embodiment one in spinal surgery, because crescent knife edge 7 can more laminate the bone, the sawtooth cutting edge cuts bone matter efficiently, and this kind of supersound tool bit is difficult for the slippage in spinal surgery, improves operation efficiency, and difficult landing has reduced the operation accident rate; the crescent knife edge 7 can enable cooling liquid to better contact the tool bit 6, and heat production of the tool bit is effectively reduced.

The crescent shovel tool bit of embodiment two more possesses the pertinence, and axe form sawtooth cutting edge is applicable to special position (special structure bone tissue such as intervertebral space, pedicle of vertebral arch) accuracy, amputates bone tissue fast, and the zigzag is difficult for the slippage, owing to possess the sawtooth equally, contacts with disease tissue department, the atress increases, is difficult for the landing, has reduced the operation accident rate.

The two embodiments of the utility model can focus the energy of the ultrasonic transducer on the end part of the tool bit 6, in practical application, the two embodiments are more fit with the bone, and the operation efficiency is improved; two side surfaces of the cutting edge are arc blunt surfaces 9, and the round corners of the blunt surfaces are designed to push away soft tissues in an operation and simultaneously effectively protect the soft tissues; the threaded connector and the torque wrench fixing structure are arranged to be hollow, the water channel is communicated, the head of the cutter head can be completely positioned in the cleaning and cooling of the perfusion fluid discharged from the water outlet 4 when the head of the cutter head contacts with the tissue, the excised tissue is ensured to be discharged immediately, the visual field at the incision is clear, the cooling effect of the cutter head 6 is achieved, and the operation safety is improved; the cutter bar 5 is smoothly connected with the cutter head 6 through the cambered surface structure 11, so that the cutter bar is not easy to break in use, and the service life of the cutter head 6 is prolonged; the screwed joint 1 is more convenient to assemble and disassemble the ultrasonic transducer and is more convenient to clean and disinfect.

Those not described in detail in this specification are within the skill of the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an supersound crescent knife head, includes tool bit, cutting edge, cutter arbor, its characterized in that still includes screwed joint, tool bit, cutting edge, cutter arbor and screwed joint integrated into one piece design, cutter arbor one side sets up tool bit, opposite side set up screwed joint, the tool bit front end is cut and is connected for offside cambered surface structure the cutting edge, the cutting edge front end is the crescent cutting edge, sawtooth and cutting edge both sides face are the blunt surface of circular arc are seted up to crescent cutting edge the tool bit with be equipped with torque wrench fixed knot between the screwed joint and construct.

2. The ultrasonic crescent cutter according to claim 1, characterized in that: the threaded connector and the torque wrench fixing structure are internally of a hollow structure, the hollow structure is used as a water channel, one end of the water channel is directly communicated with the threaded connector, the other end of the water channel is provided with a connecting pipe perpendicular to the water channel, and the connecting pipe is communicated with the cutter bar in a two-way mode and is provided with a water outlet.

3. The ultrasonic crescent cutter according to claim 1, characterized in that: the opposite side cambered surface structure at the front end of the cutter head is smoothly connected with the cutting edge.

4. The ultrasonic crescent cutter according to claim 2, characterized in that: the length of the hollow structure extends at least from the threaded connection to beyond the torque wrench securing structure and at most not to the tool bit.

5. The ultrasonic crescent shovel tool bit comprises a tool bit, a cutting edge, a tool bar and is characterized by further comprising a threaded joint, wherein the tool bit, the cutting edge, the tool bar and the threaded joint are integrally formed, the tool bit is arranged on one side of the tool bar, the threaded joint is arranged on the other side of the tool bar, the front end of the tool bit is cut into an opposite side cambered surface structure and connected with the cutting edge, the front end of the cutting edge is an axe-shaped cutting edge, sawteeth are formed in a cutting edge of the axe-shaped cutting edge, two side surfaces of the cutting edge are circular arc blunt surfaces, and a torque wrench fixing structure is arranged between the tool bit and the threaded joint.

6. The ultrasonic crescent shovel tool bit according to claim 5, characterized in that: the threaded connector and the torque wrench fixing structure are internally of a hollow structure, the hollow structure is used as a water channel, one end of the water channel is directly communicated with the threaded connector, the other end of the water channel is provided with a connecting pipe perpendicular to the water channel, and the connecting pipe is communicated with the cutter bar in a two-way mode and is provided with a water outlet.

7. The ultrasonic crescent shovel tool bit according to claim 5, characterized in that: the opposite side cambered surface structure at the front end of the cutter head is smoothly connected with the cutting edge.

8. The ultrasonic crescent shovel tool bit according to claim 6, characterized in that: the length of the hollow structure extends at least from the threaded connection to beyond the torque wrench securing structure and at most not to the tool bit.