WO2018153249A1 - 一种超声刀刀头 - Google Patents

一种超声刀刀头 Download PDF

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Publication number
WO2018153249A1
WO2018153249A1 PCT/CN2018/075445 CN2018075445W WO2018153249A1 WO 2018153249 A1 WO2018153249 A1 WO 2018153249A1 CN 2018075445 W CN2018075445 W CN 2018075445W WO 2018153249 A1 WO2018153249 A1 WO 2018153249A1
Authority
WO
WIPO (PCT)
Prior art keywords
ultrasonic
blade
cutter head
scalpel
head according
Prior art date
Application number
PCT/CN2018/075445
Other languages
English (en)
French (fr)
Chinese (zh)
Inventor
周一新
曹群
战松涛
Original Assignee
江苏水木天蓬科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 江苏水木天蓬科技有限公司 filed Critical 江苏水木天蓬科技有限公司
Priority to KR2020197000071U priority Critical patent/KR200494036Y1/ko
Priority to DE212018000161.8U priority patent/DE212018000161U1/de
Priority to JP2019600173U priority patent/JP3225095U/ja
Publication of WO2018153249A1 publication Critical patent/WO2018153249A1/zh
Priority to AU2019100930A priority patent/AU2019100930A4/en

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/1613—Component parts
    • A61B17/1615—Drill bits, i.e. rotating tools extending from a handpiece to contact the worked material
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/3209—Incision instruments
    • A61B17/3211—Surgical scalpels, knives; Accessories therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B2017/320072—Working tips with special features, e.g. extending parts
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B2017/320072—Working tips with special features, e.g. extending parts
    • A61B2017/320074—Working tips with special features, e.g. extending parts blade
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B2017/320072—Working tips with special features, e.g. extending parts
    • A61B2017/320078—Tissue manipulating surface

Definitions

  • the invention belongs to the technical field of medical instruments, and in particular relates to an ultrasonic knife head.
  • the ultrasonic cutter head used for perforating in the operation is mainly a needle-shaped cutter head and an umbrella-shaped cutter head, and the umbrella-shaped cutter head is shown in FIG.
  • These cutter heads can only punch the tissue by straight puncturing. It requires a large downward pressure during use, is inefficient and difficult to control, and is easy to injure the body and cause medical accidents.
  • the present invention designs an ultrasonic cutter head which adopts a spiral blade and has a chip evacuation hole, which can quickly, safely and labor-savingly assist the doctor to perform the required punching operation.
  • the present invention provides an ultrasonic cutter head including a cutter head end, a cutter bar and a blade body, one end of the cutter bar being connected to the cutter head end, the cutter bar The other end is coupled to the blade body, wherein the body of the tip end of the cutter head is of a cylindrical structure, the front end of which is gathered, and a single or a plurality of spiral blades start from the foremost end of the end of the cutter head, along the The end of the cutter head is spirally arranged to form a cutting portion.
  • the front end of the cylindrical structure is a conical tip
  • the cone bottom diameter of the conical tip is larger than the diameter of the cylindrical structure, the single or multiple spiral blades Starting from the foremost end of the conical tip, a cutting portion is formed by spirally setting along the conical tip.
  • the cylindrical structure and the conical tip are smoothly connected by a bevel or a circular arc surface.
  • the cutting edge of the spiral blade has a square blade or a sharp edge structure.
  • the cutting portion of the end portion of the cutter head is processed with a plurality of chip evacuation holes or chip flutes, and the plurality of chip flute holes or chip flutes along the cutting portion Weekly uniformity.
  • the axial center line of the chip evacuation hole or the chip flute is parallel to the axial center line of the tip end portion.
  • the cutter bar has a hollow structure, and the hollow portion extends up to the front end of the end portion of the cutter head, and the side of the cylindrical structure or the side of the cut portion at the end portion of the cutter head Or the front end, with a water injection hole.
  • a smooth transitional connection between the arbor and the blade end between the shank and the blade body is performed by a slope or a circular arc surface.
  • the other end of the blade body is connected to a specific ultrasonic host through an ultrasonic transducer, and the other end of the blade body is provided with a connecting thread, and the connecting thread is an in-line connecting thread. Or externally connected threads.
  • the blade body is further provided with a clamping surface.
  • the ultrasonic cutter head of the present invention can concentrate the energy generated by the ultrasonic transducer to the front end portion of the cutter head, so that the end portion of the cutter head has the strongest energy output, thereby achieving the strongest working effect.
  • the spiral design of the tip end of the ultrasonic cutter head of the present invention can help the doctor to gradually advance in a spiral manner in the operation requiring the use of the ultrasonic knife to punch, thereby making the punching operation more controllable and improved.
  • the safety of the surgery reduces the intensity of the doctor's operation.
  • the spiral design of the end of the cutter head can take advantage of both the quick screwing in and the increase of the holding force.
  • the ultrasonic knife can be directly used without using other tools. take out.
  • the ultrasonic blade head of the present invention adds a chip flute or a chip evacuation hole, so that the debris at the time of punching can be discharged from the chip flute or the chip discharge hole, thereby reducing the resistance of the bit in the punching.
  • the ultrasonic cutter head of the present invention has a hollow structure, and a water injection hole is arranged at the end of the cutter head to ensure that the perfusate flows out from the end of the cutter head, which helps to cool the spiral contact surface when the spiral blade is cut. This will further reduce the risk of surgery and improve the safety and success rate of surgery.
  • FIG. 1 is a schematic structural view of a mushroom-shaped ultrasonic blade head for punching in the prior art
  • FIG. 2 is a perspective view of an ultrasonic blade head according to a first embodiment of the present invention
  • Figure 3 is a front elevational view of the end of the bit of the ultrasonic blade head of the first embodiment of the present invention
  • FIG. 4 is a perspective view of an ultrasonic blade head according to a second embodiment of the present invention.
  • Figure 5 is a front elevational view of an ultrasonic blade head according to a second embodiment of the present invention.
  • Figure 6 is a right side elevational view of the end of the ultrasonic head of Figure 5;
  • Figure 7 is a front elevational view of the end portion of the ultrasonic blade head of the third embodiment of the present invention.
  • Figure 8 is a right side elevational view of the end of the ultrasonic head of Figure 7;
  • Figure 9 is a front elevational view of the end portion of the ultrasonic blade head of the fourth embodiment of the present invention with a chip evacuation hole;
  • Figure 10 is a right side elevational view of the end of the cutter head of Figure 9.
  • connection In the description of the present invention, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components.
  • Connected, or integrally connected can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components.
  • the specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.
  • the ultrasonic blade head of the present invention comprises a cutter head end 1, a cutter bar 2 and a blade body 3.
  • One end of the cutter bar 2 is connected to the tip end portion 1, and the other end of the cutter bar 2 is The blade body 3 is connected, and the blade body 3 is connected to a specific ultrasound host through an ultrasonic transducer.
  • the body of the tip end portion 1 has a cylindrical structure, and the foremost end of the cylindrical structure is gathered.
  • a single or a plurality of spiral blades 11 are arranged from the foremost end (tip) of the tip end portion 1 and spirally disposed along the tip end portion 1 to form a spiral cut portion.
  • the cutting edge 12 of the spiral blade 11 has a square blade or a sharp edge structure.
  • the end portion 1 of the cutter head adopts a single spiral blade 11, and after being screwed in one direction and inserted into the operation portion, the operated tissue or tissue can be grasped by the spiral blade to complete the subsequent pulling. Wait for the operation. When the spiral blade is taken out, it can be taken out in the reverse spiral.
  • the shank 2 has a hollow structure, and the hollow portion extends all the way to the front end of the tip end portion 1.
  • a small hole is formed in the side surface of the cylindrical structure of the tip end portion 1 or the side of the cutting portion as the water injection hole 14, which helps to cool the spiral contact surface when the spiral blade is cut.
  • the hollow portion may also extend directly to the foremost end of the tip end portion 1, and a water injection hole 14 is formed at the foremost end of the tip end portion 1, as shown in FIG.
  • One end of the cutter bar 2 is connected to the tip end portion 1, and the other end of the cutter bar 2 is connected to the blade body 3. Between the shank 2 and the tip end 1, the shank 2 and the blade 3 are smoothly connected by a bevel or a circular arc.
  • a clamping surface 33 is further disposed on the connecting end of the blade body 3 and the blade 2, and the other end of the blade body 3 is further provided with a connecting thread, and the connecting thread is an in-line connecting thread or an external connecting thread, which is in the embodiment Externally connected thread.
  • the connecting thread of the blade 3 can be connected to a specific ultrasonic transducer and tightened with a corresponding wrench, and then the ultrasonic transducer can be connected to a specific ultrasonic host to operate.
  • FIG. 4 to 6 show an ultrasonic blade head according to a second embodiment of the present invention.
  • FIG. 4 is a perspective view of an ultrasonic blade head according to a second embodiment of the present invention
  • FIG. 5 is a front view of the end of the cutter head of FIG. 4
  • FIG. 6 is a right end of the cutter head of the ultrasonic cutter head of FIG. view.
  • the main body of the cutter head end portion 1 has a cylindrical structure
  • the front end of the cylindrical structure is a conical tip end
  • the cylindrical structure and the cone bottom of the conical tip are smoothly connected by a slope or a circular arc surface.
  • the cone bottom diameter of the conical tip is larger than the diameter of the cylindrical structure.
  • a single or a plurality of spiral blades 11 are formed from the foremost end of the tip end portion 1 and spirally disposed along the conical tip end of the tip end portion 1 to form a cutting portion.
  • the shank 2 has a hollow structure, and the hollow portion extends all the way to the front end of the tip end portion 1.
  • a small hole is formed in the side of the cylindrical structure of the tip end portion 1 or the side of the cutting portion as the water injection hole 14.
  • the water injection hole 14 is provided at the side of the cylindrical structure of the tip end portion 1.
  • a conical tip is used, the length and the sharpness of the cutting portion are lengthened, and two spiral blades 11 are adopted, which can take advantage of the quick screwing in and increase the holding force, and can be taken when removing the bone plant.
  • Fig. 7 to 8 show a tip end of the ultrasonic blade head of the third embodiment of the present invention with a chip evacuation hole.
  • Fig. 7 is a front elevational view of the end portion of the ultrasonic blade head of the third embodiment of the present invention with a chip evacuation hole
  • Fig. 8 is a right side view of the tip end portion of the ultrasonic blade head of Fig. 7.
  • the ultrasonic blade head according to the third embodiment of the present invention is similar to the ultrasonic blade head of the first embodiment and the second embodiment of the present invention, and the body of the tip end portion 1 has a cylindrical structure.
  • the front end of the cylindrical structure is a conical tip, and the cylindrical structure and the cone bottom of the conical tip are smoothly connected by a slope or a circular arc surface, and the diameter of the cone bottom of the conical tip is larger than the diameter of the cylindrical structure.
  • a single or a plurality of spiral blades 11 are formed from the foremost end of the tip end portion 1 and spirally disposed along the conical tip end of the tip end portion 1 to form a cut portion.
  • the ultrasonic blade head according to the third embodiment of the present invention is different in that a plurality of through holes are formed in the cutting portion of the tip end portion 1 as the chip discharge.
  • the hole 13, the plurality of chip evacuation holes 13 are circumferentially distributed around the axial center line of the cutting portion, and the axial center line of the chip discharging hole 13 is parallel to the axial center line of the tip end portion 1.
  • Fig. 9 and 10 show an ultrasonic blade head according to a fourth embodiment of the present invention.
  • Fig. 9 is a front elevational view of the end portion of the ultrasonic blade head of the fourth embodiment of the present invention with a chip evacuation hole
  • Fig. 10 is a right side view of the tip end portion of the ultrasonic blade head of Fig. 9.
  • the ultrasonic blade head according to the fourth embodiment of the present invention is similar to the ultrasonic blade head of the first embodiment and the second embodiment of the present invention, and the body of the tip end portion 1 has a cylindrical structure.
  • the front end of the cylindrical structure is a conical tip, and the cylindrical structure and the cone bottom of the conical tip are smoothly connected by a slope or a circular arc surface, and the diameter of the cone bottom of the conical tip is larger than the diameter of the cylindrical structure.
  • a single or a plurality of spiral blades 11 are formed from the foremost end of the tip end portion 1 and spirally disposed along the conical tip end of the tip end portion 1 to form a cut portion.
  • the ultrasonic blade head according to the fourth embodiment of the present invention is different in that a plurality of chip flutes 13 are formed in the cutting portion of the tip end portion 1, and a plurality of The chip flutes 13 are evenly distributed along the outer circumference of the cutting portion, and the axial center line of the flutes 13 is parallel to the axial center line of the tip end portion 1.
  • the axial center line of the chip flute 13 and the axial center line of the tip end portion 1 may not be completely parallel and have an angle of an angle, and the technical effect of the present invention can also be achieved.
  • the drilling is the main function for the spiral ultrasonic blade head, but the ultrasonic blade head also has the function of external scraping and cutting. That is, the outward scraping operation is performed by the outwardly facing reverse edge of the spiral rear portion. Particularly in the third embodiment and the fourth embodiment of the present invention, the outward scraping operation can be realized by the rear end of the disk.
  • the ultrasonic cutter head of the invention can concentrate all the energy generated by the ultrasonic transducer on the front end portion of the knife, so that the front end portion of the cutter has the strongest energy output to achieve the strongest working effect.
  • the spiral design of the end of the cutter head can help the doctor to gradually advance in a spiral manner in the operation requiring the use of the ultrasonic knife to punch the hole, thereby making the punching operation more controllable, improving the safety of the operation and reducing the doctor. Operating intensity.
  • the spiral design of the end of the cutter head can also take advantage of the quick screwing in and the increase of the holding force. When the bone plant is taken out, the ultrasonic blade can be directly taken out without using other tools.
  • the chip flute or the chip removing hole is added, so that the debris at the time of punching can be discharged from the chip flute or the chip removing hole, and the resistance of the bit in the punching is reduced.
  • a water injection hole is arranged at the end of the cutter head, which ensures that the perfusion liquid flows out from the end of the cutter head, which helps to cool the spiral contact surface when the spiral blade is cut, so that The risk of surgery is further reduced, and the safety and success rate of surgery are improved.

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • Mechanical Engineering (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Surgical Instruments (AREA)
PCT/CN2018/075445 2017-02-21 2018-02-06 一种超声刀刀头 WO2018153249A1 (zh)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR2020197000071U KR200494036Y1 (ko) 2017-02-21 2018-02-06 초음파 메스 비트
DE212018000161.8U DE212018000161U1 (de) 2017-02-21 2018-02-06 Ultraschallskalpellbit
JP2019600173U JP3225095U (ja) 2017-02-21 2018-02-06 超音波外科用メスビット
AU2019100930A AU2019100930A4 (en) 2017-02-21 2019-08-19 Ultrasonic scalpel bit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710092357.0A CN106691543A (zh) 2017-02-21 2017-02-21 一种超声刀刀头
CN201710092357.0 2017-02-21

Related Child Applications (1)

Application Number Title Priority Date Filing Date
AU2019100930A Division AU2019100930A4 (en) 2017-02-21 2019-08-19 Ultrasonic scalpel bit

Publications (1)

Publication Number Publication Date
WO2018153249A1 true WO2018153249A1 (zh) 2018-08-30

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Application Number Title Priority Date Filing Date
PCT/CN2018/075445 WO2018153249A1 (zh) 2017-02-21 2018-02-06 一种超声刀刀头

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JP (1) JP3225095U (ko)
KR (1) KR200494036Y1 (ko)
CN (1) CN106691543A (ko)
DE (1) DE212018000161U1 (ko)
WO (1) WO2018153249A1 (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106691543A (zh) * 2017-02-21 2017-05-24 江苏水木天蓬科技有限公司 一种超声刀刀头
CN109570537A (zh) * 2018-12-27 2019-04-05 上海骄成机电设备有限公司 一种双节点结构的超声波车刀

Citations (7)

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Publication number Priority date Publication date Assignee Title
CN103654917A (zh) * 2013-12-19 2014-03-26 周玉梅 一种骨科手术所用拉力刀片
CN103690220A (zh) * 2013-12-18 2014-04-02 无锡雨田精密工具有限公司 一种医疗铰刀
CN204133550U (zh) * 2014-06-10 2015-02-04 曹群 超声骨刀刀头和具有其的超声骨刀
CN106037885A (zh) * 2016-07-04 2016-10-26 北京水木天蓬医疗技术有限公司 一种超声骨刀刀头
WO2017027853A1 (en) * 2015-08-12 2017-02-16 Reach Surgical, Inc. Curved ultrasonic surgical blade
CN106691543A (zh) * 2017-02-21 2017-05-24 江苏水木天蓬科技有限公司 一种超声刀刀头
CN207118920U (zh) * 2017-02-21 2018-03-20 江苏水木天蓬科技有限公司 一种超声刀刀头

Family Cites Families (2)

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Publication number Priority date Publication date Assignee Title
US8267978B2 (en) * 2006-09-14 2012-09-18 Warsaw Orthopedic, Inc. Hybrid bone fixation apparatus
GB2523828A (en) * 2014-03-07 2015-09-09 Nobel Biocare Services Ag Dental implant

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103690220A (zh) * 2013-12-18 2014-04-02 无锡雨田精密工具有限公司 一种医疗铰刀
CN103654917A (zh) * 2013-12-19 2014-03-26 周玉梅 一种骨科手术所用拉力刀片
CN204133550U (zh) * 2014-06-10 2015-02-04 曹群 超声骨刀刀头和具有其的超声骨刀
WO2017027853A1 (en) * 2015-08-12 2017-02-16 Reach Surgical, Inc. Curved ultrasonic surgical blade
CN106037885A (zh) * 2016-07-04 2016-10-26 北京水木天蓬医疗技术有限公司 一种超声骨刀刀头
CN106691543A (zh) * 2017-02-21 2017-05-24 江苏水木天蓬科技有限公司 一种超声刀刀头
CN207118920U (zh) * 2017-02-21 2018-03-20 江苏水木天蓬科技有限公司 一种超声刀刀头

Also Published As

Publication number Publication date
KR20190002533U (ko) 2019-10-10
KR200494036Y1 (ko) 2021-07-19
JP3225095U (ja) 2020-02-13
DE212018000161U1 (de) 2019-11-04
CN106691543A (zh) 2017-05-24

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