CN219846704U - Cutting integrated ultrasonic cutting tool - Google Patents
Cutting integrated ultrasonic cutting tool Download PDFInfo
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- CN219846704U CN219846704U CN202320938929.3U CN202320938929U CN219846704U CN 219846704 U CN219846704 U CN 219846704U CN 202320938929 U CN202320938929 U CN 202320938929U CN 219846704 U CN219846704 U CN 219846704U
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Abstract
The utility model relates to the technical field of ultrasonic cutting tools, and discloses a cutting integrated ultrasonic cutting tool which comprises a rod body and a working part, wherein the rod body and the working part are connected, a collecting groove is formed in the working part and penetrates through the side surface of the working part, the collecting groove is used for taking out bones and removing chips, the working part is provided with a knife edge surface, and the knife edge surface is used for cutting and scraping. The anti-adhesion coating can avoid the risk of bone or tissue cutting failure caused by soft tissue or blood adhesion when the cutter head part is cut; under the effect of cutting edge face, realize scraping and cutting bone tissue, simultaneously, the shaft is provided with liquid channel, can take the bone tissue piece that scrapes off away from the region of accepting the operation treatment, under the effect of collecting vat, realizes getting bone and chip removal of operation, can remove anchor clamps and separate the bone, removes the bone of peripheral formation, reduces the residue of bone tissue piece for operation field of vision is clearer, improves operation efficiency and operation security.
Description
Technical Field
The utility model relates to the technical field of ultrasonic cutting tools, in particular to a cutting integrated ultrasonic cutting tool.
Background
With the development of medical technology, the bone surgery has a diversified trend, and correspondingly, when the surgery is implemented, operations such as cutting, grinding, scraping, clamping and the like are needed to be performed on affected parts by adopting surgical heads with different shapes according to different bone conditions.
The ultrasonic tool bit converts electric energy into mechanical energy by using a high-intensity focused ultrasonic technology through a transducer, and the contacted tissue cell inner water is vaporized and protein hydrogen bonds are broken by high-frequency ultrasonic oscillation, so that bone tissues needing to be cut in operation are thoroughly destroyed.
When the operation treatment is carried out on diseases such as cervical spondylosis, lumbar disc herniation and the like, particularly in secondary operation, a reamer is generally adopted to remove herniated disc tissues, proliferated calcified tissues and the like which press nerves, but the surface of bone cut by the reamer is rough, meanwhile, the strength of a hand holding instrument is not easy to control in operation, the efficiency is low, time and labor are wasted, other tissues are easily damaged, and medical accidents are generated.
Therefore, the ultrasonic bone knife is adopted for operation, so that the safety is higher; for example, a prior patent with publication number CN205964114U discloses an ultrasonic bone knife head, comprising a grinding part at the front end of the ultrasonic bone knife head and a knife bar connected with the grinding part and the ultrasonic bone knife transducer, wherein the shape of the grinding part is gradually changed from the rear end to the front end, the rear end of the grinding part is connected with the knife bar, a plurality of grinding grooves are formed in the bottom surface and the side surface of the grinding part, and the front surface of the grinding part is a smooth surface.
In the prior art, when an ultrasonic bone knife head enters an operation, bone tissue scraps scraped by the head are easy to remain in an operation treatment area, so that operation visual field is limited, operation risks can be increased, and operation success rate is reduced.
Disclosure of Invention
The utility model aims to provide a cutting integrated ultrasonic cutting tool, and aims to solve the problem that bone tissue scraps are easy to remain in the prior art.
The utility model is realized in such a way that the cutting integrated ultrasonic cutting tool comprises a rod body and a working part, wherein the rod body and the working part are connected, the rod body is used for receiving and conducting sound waves, a collecting groove is formed in the working part, the collecting groove penetrates through the side surface of the working part, the collecting groove is used for taking out bones and removing chips, and the working part is provided with a knife edge surface which is used for cutting and scraping.
Further, a liquid channel and a liquid outlet hole are formed in the rod body, a communication section is formed at the end part of the liquid channel, the communication section is communicated with the liquid outlet hole, and the liquid outlet hole is arranged towards the working part; the communicating section is vertically connected with the liquid outlet hole, or the communicating section is obliquely extended.
Further, the rod body is provided with a connecting part, one end of the connecting part is used for being connected with an ultrasonic transducer, the connecting part is provided with a connecting groove, the ultrasonic transducer is provided with a transduction head, the transduction head is embedded in the connecting groove and is in threaded connection with the connecting groove; alternatively, the ultrasonic transducer includes a front cover plate, and the connection portion and the front cover plate are integrally formed.
Further, the shaft has a shaft curvature, the shaft curvature being in a curved arrangement; alternatively, the shafts are arranged in an arc shape.
Further, the working part is arranged in a flat shape, and is provided with a front surface and at least one side surface, the front surface is arranged forwards, the side surface is arranged sideways, the periphery of the front surface forms the collecting groove, or the periphery of the side surface forms the collecting groove, or the periphery of the front surface and the periphery of the side surface both form the collecting groove; the front surface is the knife edge surface, or the side surface is the knife edge surface, or the front surface and the side surface are both the knife edge surfaces.
Further, the working part is provided with notch grooves which are irregularly arranged, the notch grooves are provided with notch surfaces which are irregularly and arcuately arranged, and the notch surfaces are knife edge surfaces.
Further, the blade faces are arranged in a tooth shape.
Further, the working part comprises a main body and a plurality of working pieces, wherein each working piece is correspondingly arranged at annular intervals, the working pieces are connected with the main body, the working pieces are arranged in an arc shape, the working pieces form the knife edge surface, and the main body is provided with the collecting groove.
Further, the working part comprises a plurality of working bars, each working bar is circumferentially arranged at intervals, the working bars are arranged in a strip shape, and the collecting grooves are formed between the adjacent working bars; the outer ends of the working bars are converged to form a converging part, and the converging part is provided with the knife edge surface.
Further, the blade surface is provided with an anti-adhesion coating, and the anti-adhesion coating is used for avoiding adhesion of soft tissues or used for avoiding adhesion of blood.
Compared with the prior art, the cutting integrated ultrasonic cutting tool provided by the utility model has the advantages that when in operation treatment, the transducer converts electric energy into mechanical energy, the scraping and cutting of bone tissues are realized under the action of the blade surface through high-frequency ultrasonic vibration, meanwhile, the contact actual area of the blade surface and the bone tissues is more uniform, accurate and stable, the rod body is provided with the liquid channel, the scraped bone tissue fragments can be completely taken away from the area receiving the operation treatment, the collection of bone taking and chip removing of the operation is realized under the action of the collecting groove, the damaged clamp and the bone isolating can be removed, the bone generated by covering the periphery of the screw in the secondary operation is removed, the residue of the bone tissue fragments is greatly reduced, the operation visual field is clearer, the operation is convenient, and the operation efficiency and the operation safety are improved.
Drawings
FIG. 1 is an enlarged schematic view of part A of a cutting-integrated ultrasonic cutting tool provided by the utility model;
FIG. 2 is a schematic perspective view of a cutting-integrated ultrasonic cutting tool provided by the present utility model;
fig. 3 is a schematic perspective view of a second embodiment of a cutting-integrated ultrasonic cutting tool provided by the present utility model;
FIG. 4 is a perspective view of a first toothed embodiment of a cutting-integrated ultrasonic cutting tool according to the present utility model;
fig. 5 is a schematic perspective view of a toothed embodiment two of a cutting-integrated ultrasonic cutting tool according to the present utility model;
FIG. 6 is a perspective view of a third embodiment of a cutting-integrated ultrasonic cutting tool provided by the present utility model;
FIG. 7 is a perspective view of a fourth embodiment of a cutting-integrated ultrasonic cutting tool provided by the present utility model;
fig. 8 is a schematic perspective view of a fifth embodiment of a cutting-integrated ultrasonic cutting tool provided by the present utility model;
FIG. 9 is a schematic perspective view of an embodiment of a shaft curve of a shaft of a cutting-integrated ultrasonic cutting tool provided by the present utility model;
fig. 10 is a perspective view of an arcuate embodiment of a shaft of a cutting-integrated ultrasonic cutting tool provided by the present utility model.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The implementation of the present utility model will be described in detail below with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1-10, a preferred embodiment of the present utility model is provided.
The utility model provides a cutting integrated ultrasonic cutting tool, includes shaft 2 and working portion 1, and shaft 2 and working portion 1 are the connection and arrange, and shaft 2 is used for receiving and conduction sound wave, and the inside of working portion 1 forms collecting vat 11, and collecting vat 11 runs through the side of working portion 1 and arranges, and collecting vat 11 is used for getting bone and chip removal, and working portion 1 has knife-edge face 12, and knife-edge face 12 is used for cutting and scraping.
According to the cutting integrated ultrasonic cutting tool, when the operation treatment is carried out, the energy converter converts electric energy into mechanical energy, the scraping and cutting of bone tissues are realized under the action of the blade face 12 through high-frequency ultrasonic oscillation, meanwhile, the contact actual area of the blade face 12 and the bone tissues is more uniform, accurate and stable, the rod body 2 is provided with the liquid channel 21, scraped bone tissue fragments can be completely taken away from the area receiving the operation treatment, the collection of bone taking and chip removing of the operation is realized under the action of the collecting tank 11, damaged clamps and bones are removed, bones which are generated around the covered screw in the secondary operation are removed, the residue of bone tissue fragments is greatly reduced, the operation visual field is clearer, the operation is convenient, and the operation efficiency and the operation safety are improved.
The electric energy is converted into mechanical energy through the transducer, and the contacted tissue cell water is vaporized through high-frequency ultrasonic oscillation, so that the protein hydrogen bond is broken, and the bone tissue to be cut in the operation is thoroughly destroyed. The contact actual area of the cutter head and the bone tissue can be more uniform, accurate and stable.
The inside of the shaft 2 forms a liquid passage 21 and a liquid outlet hole 22, the end of the liquid passage 21 forms a communication section, the communication section is communicated with the liquid outlet hole 22, and the liquid outlet hole 22 is arranged towards the working part 1.
Like this, utilize the cooperation of liquid passageway 21 and liquid hole 22, play effectual heat dissipation and washing surface of a wound to working portion 1 to make liquid flow through working portion 1, reach the effect of playing cooling and washing for working portion 1, circulate liquid simultaneously and cool off transducer and cutter, can wash the skeleton residue of working portion 1 simultaneously, improve operation efficiency and avoid scalding tissue and the overheated damage of transducer or unable normal work when producing the trouble because of ultrasonic cutter is overheated.
The liquid outlet holes 22 are arranged in an arc shape, so that more liquid can be conveniently led to the tip of the working part 1, and the effective heat dissipation and wound surface flushing can be realized.
The liquid outlet holes 22 are arranged in a triangular shape, so that more liquid can be conveniently led to the tip of the working part 1, and the effective heat dissipation and wound surface flushing can be realized.
The liquid outlet holes 22 are arranged in a rectangular shape, so that more liquid can be conveniently led to the tip of the working part 1, and the effective heat dissipation and wound surface flushing can be realized.
The liquid outlet holes 22 are arranged in a rounded rectangular shape, so that more liquid can be conveniently led to the tip of the working part 1, and the effective heat dissipation and wound surface flushing can be realized.
The liquid outlet holes 22 are arranged in a polygonal shape, so that more liquid can be conveniently led to the tip of the working part 1, and the effective heat dissipation and wound surface flushing can be realized.
The communicating section is vertically connected with the liquid outlet hole 22, so that the communicating section is communicated with the liquid outlet hole 22, and the liquid is conveniently conveyed.
Or, the communicating section is the slope and extends to arrange, and like this, communicating section and play liquid hole 22 cooperation realize with the pointed end of liquid drainage to working portion 1, be convenient for take the bone tissue piece that scrapes off totally away from the region of accepting the operation treatment, reduce bone tissue piece's residue for the operation field of vision is clearer.
The shaft 2 has a connecting portion 23, one end of the connecting portion 23 is used for being connected with an ultrasonic transducer, the connecting mode can be threaded connection, the threaded connection can be external threads or internal threads, the connecting portion 23 has a connecting groove, the ultrasonic transducer has a transducer head, the transducer head is embedded in the connecting groove, and the transducer head is in threaded connection with the connecting groove.
Alternatively, the ultrasonic transducer includes a front cover plate, and the connection part 23 is integrally formed with the front cover plate of the ultrasonic transducer, so that the loss of the ultrasonic transducer in transmitting the sound wave is reduced, thereby improving the ultrasonic propagation efficiency and the cutting speed of the cutter.
Or, the connecting part 23 and the ultrasonic transducer are connected together in a detachable manner, so that the operations of disassembly, replacement, cleaning and the like can be conveniently performed, the installation flexibility of the ultrasonic cutting tool is improved, and the maintenance cost is reduced.
The surface of the shaft 2 near the connection 23 is provided with at least one platform 24 for screwing the connection 23 to the transducer, the platform 24 being no more than 10mm from the proximal end face.
The rod body 2 is provided with a boss 25, and the platform 24 and the boss 25 are correspondingly arranged at intervals along the direction deviating from the connecting part 23; the assembling and disassembling of the shaft 2 and the ultrasonic transducer are facilitated under the action of the boss 25.
Meanwhile, under the action of the platform 24 and the boss 25, the bearing capacity of the rod body 2 is improved, so that acceptable amplitude can be increased, cutting is sharper, operation efficiency is quicker and safer, convenience in operation is improved, and risks such as breakage of the rod body 2 can be effectively avoided.
The shaft 2 has a curved portion 26, and the curved portion 26 is arranged in a curved manner; therefore, the obstacle can be effectively avoided, and the visual field is clearer.
Or, the shaft 2 is arranged in an arc shape, so that obstacles can be more effectively avoided, and the visual field is clearer.
The knife edge surface 12 is provided with an anti-adhesion coating which is used for avoiding the adhesion of soft tissues or used for avoiding the adhesion of blood; in this way, the risk of failure of the cutting of bone and or tissue due to adhesion is avoided.
The anti-adhesion coating can improve the toughness of the working part 1, reduce the damage probability of the working part 1 and prolong the service life of the working part 1.
The anti-blocking coating may comprise a polymeric material. The cost of the polymer material is lower, and the manufacturing cost of the ultrasonic cutting tool can be reduced. The anti-blocking coating may be composed of at least one of the following materials: silicone resin, copolymers of tetrafluoroethylene TFE and hexafluoropropylene HFP FEP, liquid FEP, FEP/ceramic composites, liquid FEP ceramic epoxy composites, polytetrafluoroethylene PTFE and or PTFE/ceramic composites.
The anti-sticking coating is composed of tungsten disulfide, molybdenum disulfide, graphite and fluorinated polymer. In addition to the polymer material, other inorganic materials are used for the anti-adhesion coating in the implementation mode, so that the mechanical strength of the anti-adhesion coating can be improved, the service life of the anti-adhesion coating is prolonged, and the service life of a cutter bar is prolonged.
The anti-adhesion coating may comprise a ceramic material, and the ceramic material comprises at least one of: chromium carbide, tungsten carbide, titanium nitride, aluminum oxide, and chromium nitride. The ceramic material has larger mechanical strength, is not easy to damage, and can prolong the service life of the ultrasonic cutting tool.
The anti-adhesion coating may comprise a metal. Wherein the metal comprises at least one of the following: aluminum, stainless steel, and molybdenum. Because the metal has high mechanical strength and high ductility, the anti-adhesion coating made of the metal material can improve the toughness of the anti-adhesion coating, reduce the damage probability and prolong the service life of the cutter bar.
Working section 1 embodiment one:
the working part 1 is in cylindrical arrangement, the blade surface 12 is in annular arrangement, and the blade surface 12 is in a bench shape with a small inner part and a large outer part, so that the cutting and scraping are convenient.
The blade surface 12 of the working part 1 can be arranged at the front end or the rear end and at different positions according to different operation requirements.
Or, the front end and the rear end of the working part 1 are respectively provided with a blade surface 12, so that different operation operations are realized, and the practicability is improved.
Working section 1 embodiment two:
the working part 1 is arranged in a flat shape, the working part 1 is provided with a front surface and at least one side surface, the front surface is arranged frontally, the side surfaces are arranged laterally, the periphery of the front surface forms a collecting groove 11, or the periphery of the side surface forms the collecting groove 11, or the periphery of the front surface and the periphery of the side surface both form the collecting groove 11; in this way, the collecting tank 11 achieves that the scraped bone tissue scraps are all taken away from the area to be treated by the operation, so that the residue of the bone tissue scraps is reduced, and the operation visual field is clearer.
The front surface is a blade surface 12, through which cutting and scraping are achieved.
Alternatively, the side surface is a knife edge surface 12, through which cutting and scraping is accomplished.
Alternatively, the front and side faces are both blade faces 12; in this way, cutting and scraping can be achieved by both the front and side faces.
The working part 1 is provided with two side surfaces which are respectively arranged at two sides, and the two side surfaces are blade surfaces 12, so that cutting and scraping can be realized through the front surface and the two side surfaces, and three-surface cutting and scraping can be realized. Is convenient for multidirectional operation and improving operation efficiency.
The knife-edge surface 12 is arranged in a tooth shape, so that the cutting is sharper, and the knife-edge surface can also play a role of initial drilling when the fixture is implanted.
Working section 1 embodiment three:
the working part 1 is provided with notch grooves which are irregularly arranged, the notch grooves are provided with notch surfaces 13, the notch surfaces 13 are irregularly and arcuately arranged, and the notch surfaces 13 are knife edge surfaces 12.
In this way, cutting and scraping is achieved through the notch surface 13; under the effect of the notch groove, the scraped bone tissue scraps are all carried away from the area receiving the operation treatment, so that the residue of the bone tissue scraps is reduced, and the operation visual field is clearer.
The knife-edge surface 12 is arranged in a tooth shape, so that the cutting is sharper, and the knife-edge surface can also play a role of initial drilling when the fixture is implanted.
Working section 1 fourth embodiment:
the working part 1 comprises a main body and a plurality of working pieces 14, wherein each working piece 14 is correspondingly arranged in an annular interval, the working pieces 14 are connected with the main body, the working pieces 14 are arranged in an arc shape, the working pieces 14 form a knife edge surface 12, and the main body is provided with a collecting groove 11.
Thus, by means of the respective working pieces 14, cutting and scraping are achieved, and the collecting groove 11 of the main body achieves that the scraped bone tissue scraps are all taken away from the area to be treated by the operation, so that the residue of the bone tissue scraps is reduced, and the operation visual field is clearer.
Working section 1 fifth embodiment:
the working part 1 comprises a plurality of working bars 15, wherein each working bar 15 is circumferentially arranged at intervals, the working bars 15 are arranged in a strip shape, and a collecting groove 11 is formed between every two adjacent working bars 15; the outer ends of the working bars 15 converge to form a converging portion having a blade face 12.
Thus, cutting and scraping are realized through the blade surface 12 of the collecting part, and the scraping bone tissue scraps are completely carried away from the area receiving the operation treatment through the collecting groove 11 between the working bars 15, so that the residue of the bone tissue scraps is reduced, and the operation visual field is clearer.
Working section 1 sixth embodiment:
the collecting groove 11 side of the working part 1 forms side notches which are arranged in a spiral shape, so that bone tissue fragments can be collected conveniently.
Alternatively, the side notches are arranged in an arc-shaped encircling manner so as to collect bone tissue fragments.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. Cutting integral type ultrasonic cutting tool, its characterized in that includes shaft and working portion, the shaft with the working portion is the connection and arranges, the shaft is used for receiving and conduction sound wave, the inside of working portion forms the collecting vat, the collecting vat runs through the side of working portion is arranged, the collecting vat is used for getting bone and chip removal, the working portion has the knife-edge face, the knife-edge face is used for cutting and scraping.
2. The cutting integrated ultrasonic cutting tool according to claim 1, wherein the interior of the shaft forms a liquid passage and a liquid outlet hole, the end of the liquid passage forms a communication section, the communication section is arranged in communication with the liquid outlet hole, and the liquid outlet hole is arranged toward the working portion; the communicating section is vertically connected with the liquid outlet hole, or the communicating section is obliquely extended.
3. The cutting integrated ultrasonic cutting tool according to claim 2, wherein the shaft has a connection portion, one end of the connection portion is used for being connected with an ultrasonic transducer, the connection portion has a connection groove, the ultrasonic transducer has a transducing head, the transducing head is embedded in the connection groove, and the transducing head is in threaded connection with the connection groove; alternatively, the ultrasonic transducer includes a front cover plate, and the connection portion and the front cover plate are integrally formed.
4. The cutting integrated ultrasonic cutting tool of claim 2, wherein the shaft has a curved stem portion, the curved stem portion being in a curved arrangement; alternatively, the shafts are arranged in an arc shape.
5. The cutting integrated ultrasonic cutting tool according to any one of claims 1-4, wherein the working portion is arranged in a flat shape, the working portion having a front face and at least one side face, the front face being arranged frontally, the side face being arranged sideways, the periphery of the front face forming the collecting channel, or the periphery of the side face forming the collecting channel, or both the periphery of the front face and the periphery of the side face forming the collecting channel; the front surface is the knife edge surface, or the side surface is the knife edge surface, or the front surface and the side surface are both the knife edge surfaces.
6. The cutting integrated ultrasonic cutting tool according to any one of claims 1 to 4, wherein the working portion has notch grooves, the notch grooves are irregularly arranged, the notch grooves have notch surfaces, the notch surfaces are irregularly and arcuately arranged, and the notch surfaces are the blade surfaces.
7. The cutting integrated ultrasonic cutting tool according to any one of claims 1-4, wherein the blade surfaces are arranged in a toothed pattern.
8. The cutting integrated ultrasonic cutting tool according to any one of claims 1-4, wherein the working portion comprises a main body and a plurality of working pieces, each working piece being disposed in a corresponding annular space, and the working pieces being disposed in connection with the main body, the working pieces being disposed in an arcuate shape, the working pieces forming the blade faces, the main body having the collection groove.
9. The cutting integrated ultrasonic cutting tool according to any one of claims 1 to 4, wherein the working portion comprises a plurality of working bars, each of the working bars being circumferentially arranged at intervals, the working bars being arranged in a strip shape, the collecting groove being formed between adjacent ones of the working bars; the outer ends of the working bars are converged to form a converging part, and the converging part is provided with the knife edge surface.
10. The cutting integrated ultrasonic cutting tool according to any one of claims 1 to 4, wherein the blade surface is provided with an anti-adhesion coating for preventing soft tissue from sticking or for preventing blood from sticking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320938929.3U CN219846704U (en) | 2023-04-19 | 2023-04-19 | Cutting integrated ultrasonic cutting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320938929.3U CN219846704U (en) | 2023-04-19 | 2023-04-19 | Cutting integrated ultrasonic cutting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219846704U true CN219846704U (en) | 2023-10-20 |
Family
ID=88335483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202320938929.3U Active CN219846704U (en) | 2023-04-19 | 2023-04-19 | Cutting integrated ultrasonic cutting tool |
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