WO2017211210A1 - Outil de coupe d'os à ultrasons - Google Patents

Outil de coupe d'os à ultrasons Download PDF

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Publication number
WO2017211210A1
WO2017211210A1 PCT/CN2017/086368 CN2017086368W WO2017211210A1 WO 2017211210 A1 WO2017211210 A1 WO 2017211210A1 CN 2017086368 W CN2017086368 W CN 2017086368W WO 2017211210 A1 WO2017211210 A1 WO 2017211210A1
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WO
WIPO (PCT)
Prior art keywords
cutting
ultrasonic bone
bone cutter
cutter head
cutting portion
Prior art date
Application number
PCT/CN2017/086368
Other languages
English (en)
Chinese (zh)
Inventor
姜亮
战松涛
曹群
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 BR212018074793-4U priority Critical patent/BR212018074793U2/pt
Priority to JP2018600163U priority patent/JP3224960U/ja
Publication of WO2017211210A1 publication Critical patent/WO2017211210A1/fr

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    • 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
    • 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

Definitions

  • the present invention relates to the field of medical device equipment, and in particular to a scalpel, and more particularly to an ultrasonic bone cutter head.
  • Ultrasonic osteotome uses high-intensity focused ultrasound to convert electrical energy into mechanical energy through a transducer. After high-frequency ultrasonic vibration, the water in the contacted tissue cells is vaporized, and the protein hydrogen bonds are broken, thereby thoroughly cutting the bone tissue that needs to be cut during surgery. damage. Since the high-intensity focused ultrasound has a destructive effect on bone tissue of a specific hardness and has a characteristic of being hard and not soft, it is particularly suitable for spinal surgery in which the periphery is a bone structure and the soft tissue in the middle is a spinal cord. Surgery with an ultrasonic bone knife can effectively prevent the occurrence of medical accidents in the spinal cord due to excessive force and accidental injury to the spinal cord, thereby improving the safety of the operation.
  • the often used ultrasonic scalpel blade is a cutting-based cutter.
  • most of these cutter heads are mainly in the shape of a straight sheet, and the direction of the blade edge is the same as the direction of the axis of the ultrasonic bone cutter head, as shown in FIG.
  • the cutting trajectory can only be carried out along the axis of the ultrasonic bone cutter head, and the vertical cutting has a good cutting effect.
  • the specific surgical conditions vary widely. For some surgical operations that require lateral cutting, due to the limited operation space, this straight-shaped knife, which is only used for longitudinal cutting, has lost its usefulness.
  • the present invention provides an ultrasonic bone cutter head comprising a cutting portion at the front end of the ultrasonic bone cutter head, a cutter rod connected at one end to the cutting portion and the other end connected to the ultrasonic osteotome transducer.
  • the cutting portion includes two cutting edges respectively located at two sides of the cutting portion and an upper cutting surface and a lower cutting surface perpendicular to and opposite to the cutting edge, the upper cutting surface and the lower cutting surface being inclined to the axis of the ultrasonic bone cutter head.
  • the curved structure of the ultrasonic bone cutter head can help the doctor to bypass the spinal cord for lateral cutting and osteotomy, and can also complete the lateral section of some invisible areas. Bone operation; when the operation space is small, the ultrasonic bone cutter head of the present invention can complete the osteotomy operation instead of the straight shape, thereby reducing the length of the incision of the operation, reducing the risk of surgery and shortening the operation time.
  • the upper cutting surface of the cutting portion and the cutter rod adopt a circular arc transition, and a concave arc is formed at the transition portion; the lower cutting surface of the cutting portion and the cutter rod adopt a circular arc transition, and A convex arc is formed at the transition.
  • the circular arc structure is a common design method for mechanical design.
  • the arc transition can avoid stress concentration on the one hand, and can facilitate the processing on the one hand, and more importantly, can effectively prevent the sharp corners of the sharp corner transition from harming the body tissue. .
  • the cutting portion is a uniform flat sheet structure in which the upper cut surface is parallel to the lower cut surface.
  • the cutting portion is a flat sheet structure, which occupies less space in space, has more room for maneuvering, and has a wider application range.
  • the cutting portion is a graded flat sheet structure which is gradually gathered toward the front end by the rear end of the cutting portion along the upper and lower cut surfaces.
  • the operator can select different shapes of ultrasonic bone cutter heads according to different needs to better complete the operation.
  • the lower cut surface is provided with a reinforcing rib which protrudes from the outer surface of the reinforcing rib.
  • the rib is a support structure of the cutting portion, which can effectively improve the service life of the ultrasonic bone cutter head.
  • the cut portion is a blade protruding from the rib, the rib does not affect the ultrasonic bone. The cutting effect of the cutter head.
  • one of the two cutting edges is provided with a knife Teeth; preferably, the two blades are respectively provided with teeth.
  • the setting of the teeth allows the medical staff to better grip the cutting surface and perform the cutting quickly.
  • the end of the cutting portion is a circular arc structure or a planar structure, which can effectively prevent the sharp corner from harming the body tissue.
  • a thread is provided at the tail end of the cutter bar.
  • the threaded setting is used to tightly attach the ultrasonic bone cutter head to the ultrasonic bone knife transducer.
  • the embodiment of the invention has the advantages that the ultrasonic bone cutter head of the invention has the advantages of simple structure, convenient processing, flexible operation and wide application range.
  • the curved structure of the ultrasonic bone cutter head can help the doctor to bypass the spinal cord for lateral cutting and osteotomy, and can also complete the lateral section of some invisible areas. Bone operation; when the operation space is small, the ultrasonic bone cutter head of the present invention can complete the osteotomy operation instead of the straight shape, thereby reducing the length of the incision of the operation, reducing the risk of surgery and shortening the operation time.
  • Figure 1 is a perspective view of a first embodiment of an ultrasonic bone cutter head of the present invention
  • Figure 2 is a front elevational view showing the first embodiment of the ultrasonic bone cutter head of the present invention
  • Figure 3 is a top plan view of a first embodiment of the ultrasonic bone cutter head of the present invention.
  • FIG. 4 is a perspective view of a second embodiment of the ultrasonic bone cutter head of the present invention.
  • Figure 5 is a front elevational view of a prior art straight-shaped ultrasonic bone cutter head
  • 6A is a schematic view showing a first state when spinal surgery is performed using the ultrasonic bone cutter head of the present invention
  • 6B is a schematic view showing a second state when performing spinal surgery using the ultrasonic bone cutter head of the present invention.
  • Fig. 6C is a schematic view showing the state of bone tissue after spinal surgery using the ultrasonic bone cutter head of the present invention.
  • 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.
  • FIG. 1 is a perspective view of a first embodiment of an ultrasonic bone cutter head of the present invention
  • FIG. 2 is a front elevational view of the first embodiment of the ultrasonic bone cutter head of the present invention.
  • the ultrasonic bone cutter head of the present invention comprises a cutting portion 1 at the front end of the ultrasonic bone cutter head, and a knife connected at one end to the cutting portion 1 and at the other end to the ultrasonic bone knife transducer.
  • Rod 2 is a front elevational view of the first embodiment of the ultrasonic bone cutter head of the present invention
  • the cutting portion 1 comprises a cutting edge 3 respectively located on both sides of the cutting portion 1 and an upper cutting surface 4 and a lower cutting surface 5 perpendicular to and opposite to the cutting edge 3, the upper cutting surface 4 and the lower cutting surface 5 being inclined to the axis of the ultrasonic bone cutter head.
  • the curved structure of the ultrasonic bone cutter head can help the doctor to bypass the spinal cord for lateral cutting and osteotomy, and can also complete the lateral section of some invisible areas. Bone operation; when the operation space is small, the ultrasonic bone cutter head of the present invention can complete the osteotomy operation instead of the straight shape, thereby reducing the length of the incision of the operation, reducing the risk of surgery and shortening the operation time.
  • the upper cutting surface 4 of the cutting portion 1 of the ultrasonic bone cutter head of the present invention and the knife bar 2 adopt a circular arc transition, and a concave arc 6 is formed at the transition portion; the lower cutting surface 5 of the cutting portion 1 and the knife
  • the rod 2 adopts a circular arc transition and forms a convex arc 7 at the transition.
  • the circular arc structure is a common design method for mechanical design.
  • the arc transition can avoid stress concentration, and on the other hand, it is easy to process. More importantly, it can effectively prevent the sharp corners of the sharp corners from being damaged to the body tissue. .
  • the cutting portion 1 may also be a uniform flat sheet structure in which the upper cutting surface 4 and the lower cutting surface 5 are parallel.
  • the cutting portion 1 having a flat sheet structure occupies less space in space, has a larger space for swirling, and has a wider application range.
  • the cutting portion 1 may be a graded flat sheet structure which gradually gathers from the rear end of the cutting portion 1 along the generatrices of the upper cut surface 4 and the lower cut surface 5 toward the front end. That is, the cutting portion 1 may be a graded flat sheet structure in which the upper cut surface 4 and the lower cut surface 5 gradually approach from the rear end toward the front end of the cut portion 1. The operator can select different shapes of ultrasonic bone cutter heads according to different needs to better complete the operation.
  • the ultrasonic bone cutter head of the present invention may be provided with the cutter teeth 9 on the one-side cutting edge 3, or the cutter teeth 9 may be respectively formed on the double-sided cutting edge 3.
  • the teeth 9 are formed by a plurality of grooves spaced apart by a certain distance. The arrangement of the teeth 9 enables the medical staff to better grip the cutting surface and perform the cutting quickly when cutting.
  • FIG. 4 is a perspective view of a second embodiment of the ultrasonic bone cutter head of the present invention.
  • a rib 8 is provided on the lower section 5 of the ultrasonic bone cutter head, and the blade 3 protrudes from the outer surface of the rib 8.
  • the strong rib 8 is a supporting structure of the cutting portion 1, which can effectively improve the service life of the ultrasonic bone cutter head, and at the same time, since the portion to be cut is the blade edge 3 protruding from the rib 8, the rib 8 Does not affect the cutting effect of the ultrasonic bone cutter head.
  • the end of the cutting portion 1 has a circular arc structure or a planar structure, which can effectively prevent the sharp corner from harming the body tissue.
  • a thread 10 is formed at the trailing end of the cutter bar 2.
  • the ultrasonic bone cutter head is securely attached to the ultrasonic osteotome transducer by threads 10 during surgery.
  • FIG. 6A is a schematic view showing a first state when spinal surgery is performed using the ultrasonic bone cutter head of the present invention
  • FIG. 6B is a second state diagram when performing spinal surgery using the ultrasonic bone cutter head of the present invention
  • FIG. 6C is a schematic view of the present invention.
  • the curved structure of the ultrasonic bone cutter head can help the doctor to bypass the spinal cord for lateral cutting and osteotomy, and can also be completed. Transverse osteotomy for certain invisible areas.
  • the ultrasonic bone cutter head of the present invention can complete the osteotomy operation instead of the straight shape, thereby reducing the length of the incision of the operation, reducing the risk of surgery and shortening the operation time. This situation is difficult to achieve with the prior art straight-form ultrasonic bone cutter head shown in FIG.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dentistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Surgical Instruments (AREA)

Abstract

L'invention porte sur un outil de coupe d'os à ultrasons, comprenant une partie de coupe (1) disposée à une extrémité avant de l'outil de coupe d'os à ultrasons, et un arbre (2) relié à la partie de coupe (1) et à un transducteur de coupe d'os à ultrasons. La partie de coupe (1) comprend deux lames (3) disposées sur deux côtés de la partie de coupe (1), et une surface de coupe supérieure (4) et une surface de coupe inférieure (5) disposées à l'opposé l'une de l'autre et perpendiculairement à la lame (3). La surface de coupe supérieure (4) et la surface de coupe inférieure (5) sont disposées selon un certain angle par rapport à l'axe de l'outil de coupe d'os à ultrasons. L'outil de coupe d'os à ultrasons présente une structure simple, est facile à utiliser, a un fonctionnement flexible, et offre une large gamme d'utilisation. Lors de la réalisation d'une chirurgie spécifique à l'aide de l'outil de coupe d'os à ultrasons, la structure courbe de l'outil de coupe d'os à ultrasons peut aider le médecin à effectuer une opération qui ne peut pas être obtenue au moyen d'une lame droite. L'invention permet de réduire la longueur de la plaie chirurgicale, de réduire les risques chirurgicaux, et de raccourcir la durée de la chirurgie.
PCT/CN2017/086368 2016-06-08 2017-05-27 Outil de coupe d'os à ultrasons WO2017211210A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BR212018074793-4U BR212018074793U2 (pt) 2016-06-08 2017-05-27 ferramenta de corte de osso de ultrassom
JP2018600163U JP3224960U (ja) 2016-06-08 2017-05-27 超音波骨カッターのカッターヘッド

Applications Claiming Priority (2)

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CN201620554844.5 2016-06-08
CN201620554844.5U CN205831876U (zh) 2016-06-08 2016-06-08 一种超声骨刀刀头

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WO2017211210A1 true WO2017211210A1 (fr) 2017-12-14

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JP (1) JP3224960U (fr)
CN (1) CN205831876U (fr)
BR (1) BR212018074793U2 (fr)
WO (1) WO2017211210A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110090060A (zh) * 2018-01-29 2019-08-06 北京水木天蓬医疗技术有限公司 一种微创超声刀头及微创超声骨动力系统
CN110151251A (zh) * 2019-05-30 2019-08-23 中国人民解放军总医院 一种髁间截骨钻
CN110313972A (zh) * 2019-07-31 2019-10-11 北京水木天蓬医疗技术有限公司 超声骨刀刀头及使用该刀头的机器人辅助超声骨动力系统
CN113143396A (zh) * 2021-05-17 2021-07-23 中国人民解放军陆军特色医学中心 一种用于环状取骨的超声骨刀
CN113229932A (zh) * 2020-06-08 2021-08-10 重庆橙壹科技有限公司 一种带有加强筋的内窥镜剪刀
USD974558S1 (en) 2020-12-18 2023-01-03 Stryker European Operations Limited Ultrasonic knife

Families Citing this family (8)

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CN205234577U (zh) * 2015-11-23 2016-05-18 北京水木天蓬医疗技术有限公司 超声骨刀刀头以及具备此的超声骨刀
CN205831876U (zh) * 2016-06-08 2016-12-28 江苏水木天蓬科技有限公司 一种超声骨刀刀头
CN106890020A (zh) * 2017-02-21 2017-06-27 江苏水木天蓬科技有限公司 一种超声刀刀头
CN207306710U (zh) * 2017-03-10 2018-05-04 江苏水木天蓬科技有限公司 一种超声刀刀头
CN107582128A (zh) * 2017-09-29 2018-01-16 北京水木天蓬医疗技术有限公司 一种超声骨刀刀头
CN208697287U (zh) 2018-07-25 2019-04-05 北京水木天蓬医疗技术有限公司 超声刀的扭力扳手
CN109968443A (zh) * 2019-04-11 2019-07-05 苏州科技大学 一种大振幅纵弯超声振动切割装置
CN110327100B (zh) * 2019-08-15 2022-10-21 上海题屏医疗科技有限公司 一种超声手术刀

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CN205831876U (zh) * 2016-06-08 2016-12-28 江苏水木天蓬科技有限公司 一种超声骨刀刀头

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US5318570A (en) * 1989-01-31 1994-06-07 Advanced Osseous Technologies, Inc. Ultrasonic tool
CN101141923A (zh) * 2004-12-02 2008-03-12 奥思索尼克斯有限公司 改进的骨凿
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110090060A (zh) * 2018-01-29 2019-08-06 北京水木天蓬医疗技术有限公司 一种微创超声刀头及微创超声骨动力系统
CN110151251A (zh) * 2019-05-30 2019-08-23 中国人民解放军总医院 一种髁间截骨钻
CN110151251B (zh) * 2019-05-30 2024-05-17 中国人民解放军总医院 一种髁间截骨钻
CN110313972A (zh) * 2019-07-31 2019-10-11 北京水木天蓬医疗技术有限公司 超声骨刀刀头及使用该刀头的机器人辅助超声骨动力系统
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CN113229932A (zh) * 2020-06-08 2021-08-10 重庆橙壹科技有限公司 一种带有加强筋的内窥镜剪刀
USD974558S1 (en) 2020-12-18 2023-01-03 Stryker European Operations Limited Ultrasonic knife
CN113143396A (zh) * 2021-05-17 2021-07-23 中国人民解放军陆军特色医学中心 一种用于环状取骨的超声骨刀
CN113143396B (zh) * 2021-05-17 2023-08-18 中国人民解放军陆军特色医学中心 一种用于环状取骨的超声骨刀

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CN205831876U (zh) 2016-12-28
BR212018074793U2 (pt) 2019-03-06
JP3224960U (ja) 2020-02-06

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