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WO2018228128A1 - Outil de coupe d'ostéotome ultrasonore - Google Patents

Outil de coupe d'ostéotome ultrasonore Download PDF

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Publication number
WO2018228128A1
WO2018228128A1 PCT/CN2018/087471 CN2018087471W WO2018228128A1 WO 2018228128 A1 WO2018228128 A1 WO 2018228128A1 CN 2018087471 W CN2018087471 W CN 2018087471W WO 2018228128 A1 WO2018228128 A1 WO 2018228128A1
Authority
WO
WIPO (PCT)
Prior art keywords
cutter head
cutter
ultrasonic bone
end portion
bar
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2018/087471
Other languages
English (en)
Chinese (zh)
Inventor
梁益建
曹群
战松涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu SMTP Technology Co Ltd
Original Assignee
Jiangsu SMTP Technology Co Ltd
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 Jiangsu SMTP Technology Co Ltd filed Critical Jiangsu SMTP Technology Co Ltd
Publication of WO2018228128A1 publication Critical patent/WO2018228128A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • A61B17/32—Surgical cutting instruments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor

Definitions

  • the invention belongs to the technical field of medical instruments, and in particular relates to an ultrasonic bone cutter head.
  • the blade cutter head of the ultrasonic bone cutter is a cutter head mainly for cutting.
  • the sheet shape of equal thickness is used (as shown in Fig. 1), or from the blade body to the tip of the blade. Thin design, but this design will affect the effect of water injection and cooling. It is difficult to reach the surgical site during the operation. It can not fully cool the cutting surface. The cutting tip is easy to overheat during cutting. Damage to body tissues (such as the spinal cord, nerves, etc.) may cause medical malpractice.
  • the present invention designs an ultrasonic bone cutter head having a cutting portion having a thickness slightly larger than a cutter bar, which helps to guide the flushing liquid to the tip end portion of the cutter head, thereby The effect of effectively controlling the tip temperature of the cutter during the operation is achieved.
  • the present invention provides an ultrasonic bone cutter head including a blade body, a cutter bar, and a cutter head end, the cutter bar being connected to one end of the cutter head at one end, and the cutter bar is further One end is connected to the blade body, wherein the cutter head end portion is a flat plate-like structure of uniform thickness or a gradual thickness flat plate-shaped structure gradually formed by the shank, and the cutting portion of the end portion of the cutter head The thickness is greater than the thickness of the rear end of the tip end of the cutter head, and a toothed structure is provided at the cutting portion.
  • a water guide is formed between adjacent teeth on one side or both sides of the end portion of the cutter head.
  • the water guiding groove is grooved in the direction of the tooth from the end of the cutter head toward the arbor, and the rear end groove bottom of the water guiding groove is the same as the cutter end
  • the rear plane is uniform.
  • the front end of the tip end portion is a wedge-shaped or approximately wedge-shaped blade-like structure.
  • the front end of the tip end portion is a circular arc shape or a spade structure.
  • the flat sheet-shaped structure of the end portion of the cutter head is bent upward or downward with respect to the cutter bar, so that the cutter head end portion and the cutter bar The longitudinal direction forms an angle.
  • the cutter bar is bent with respect to the blade body such that the cutter bar forms a certain angle with a longitudinal direction of the blade body.
  • the cutter bar has a hollow structure, and a water outlet hole is opened at a joint between the end of the cutter head and the cutter bar to directly introduce the flushing liquid into the The end of the cutter head.
  • a connecting thread is provided at a rear end portion of the blade body, and the connecting thread is an in-line connecting thread or an outer connecting thread.
  • the cutter body is provided with a clamping portion, and the cutter head end portion and the cutter bar are integrally formed.
  • the ultrasonic bone cutter head of the present invention has a simple structure and is easy to process.
  • the ultrasonic bone cutter head of the present invention can concentrate the energy generated by the ultrasonic transducer at the end of the cutter head (the most effective working part), so that the front end portion of the cutter has the strongest energy output. The strongest work effect.
  • the curved design of the ultrasonic bone cutter head of the present invention can help the doctor to cut a variety of hard-to-reach parts, shorten the operation time, reduce the surgical operation intensity of the doctor, and improve the safety of the operation.
  • the ultrasonic bone cutter head of the present invention is a thick toothed cutter head with a water guide at the front end, which can maximize the cooling effect on the tip end of the cutter head, so that the rinse liquid is at any time during the cutting process. Both can reach the tip of the cutter head, avoiding the negative impact on the tissue due to excessive operating temperature during the cutting process, and improving the safety of the operation.
  • FIG. 1 is a schematic structural view of a prior art sheet-shaped ultrasonic bone cutter head
  • FIG. 2 is a plan view of an ultrasonic bone cutter head according to a first embodiment of the present invention
  • FIG. 3 is a plan view of a tip end of an ultrasonic bone cutter head according to a first embodiment of the present invention
  • Figure 4 is a perspective view of the end of the cutter head of the ultrasonic bone cutter head according to the first embodiment of the present invention
  • Figure 5 is a plan view of an ultrasonic bone cutter head according to a second embodiment of the present invention.
  • Fig. 6 is a perspective view of the end portion of the ultrasonic bone cutter head according to the second embodiment 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.
  • the ultrasonic bone cutter head according to the first embodiment of the present invention includes a cutter head end portion 1, a cutter bar 2 and a blade body 3. One end of the cutter bar 2 is connected to the blade body 3, and the other end of the blade bar 2 and the blade are provided. The head end portion 1 is connected, and the tail end of the blade body 3, that is, the other end of the blade body 3 is connected to a specific ultrasonic host through an ultrasonic transducer.
  • the tip end portion 1 is a flat sheet-like structure of uniform thickness or a flat-shaped sheet-shaped structure of gradual thickness formed by the gradual transition of the shank 2, and the thickness of the front end cutting portion of the tip end portion 1 is slightly larger than the end portion of the cutter head 1 The thickness of the back end.
  • a toothed structure 11 is machined on the front end cutting portion of the tip end portion 1.
  • a water guiding groove 12 is formed between adjacent teeth on one face of the sheet-shaped structure of the tip end portion 1. It is also possible to open the water guiding groove 12 between the adjacent teeth on both faces of the sheet-shaped structure of the tip end portion 1, and the water guiding groove 12 is directed by the cutting portion of the tip end portion 1 in the direction of the tooth.
  • the direction of the shank is slotted.
  • the rear end bottom of the water guide 12 coincides with the rear plane of the tip end portion 1.
  • the front end of the tip end portion 1 may be a wedge-shaped or approximately wedge-shaped blade-like structure, or a circular arc-shaped structure, or a spade-shaped structure.
  • 2 to 4 show a blade-like structure in which the tip end of the tip end portion 1 is approximately wedge-shaped.
  • the flat sheet-like structure of the tip end portion 1 can be bent upward or downward with respect to the cutter bar 2 such that the tip end portion 1 is at an angle to the longitudinal direction of the cutter bar 2.
  • the cutter bar 2 may be bent with respect to the blade body 3 such that the tip end portion 1 is at an angle to the longitudinal direction of the blade body 3.
  • the bending design of the cutter head can help the doctor to cut a plurality of hard-to-reach parts, shorten the operation time, reduce the surgical operation intensity of the doctor, and improve the safety of the operation.
  • the cutter bar 2 may have a hollow structure, and a water hole (not shown) may be formed in a portion of the cutter bar 2 near the tip end portion 1 to flush the liquid.
  • the flushing liquid flows along the water guiding groove 12, which helps sufficient flushing liquid to flow to the cutting portion of the tip end of the cutter head, and fully cuts the cutting portion of the cutter head end portion. cool down.
  • the entire head and the contacted tissue can be completely in the cleaning and cooling of the perfusate in real time, thereby effectively controlling the temperature of the tip of the tip. As a result, the risk of surgery is further reduced, and the safety and success rate of surgery are improved.
  • one end of the holder 2 is connected to the end portion 1 of the cutter head, and the other end of the holder 2 is connected to the blade 3.
  • the other end of the blade body 3 is provided with a connecting thread, and the connecting thread may be in-line or in-line.
  • a clamping portion 31 is also provided on the blade body 3.
  • the connecting thread of the tail of the blade 3 is connected to a specific ultrasonic transducer, and is tightened with a corresponding wrench, and then the ultrasonic transducer is connected to a specific ultrasonic host to operate.
  • the ultrasonic bone cutter head of the present invention may be an integrally formed one piece construction.
  • FIG. 5 to 6 show an ultrasonic bone cutter head according to a second embodiment of the present invention.
  • 5 is a plan view of an ultrasonic bone cutter head according to a second embodiment of the present invention
  • FIG. 6 is a perspective view of the end portion of the ultrasonic bone cutter head according to the second embodiment of the present invention.
  • the ultrasonic bone cutter head according to the second embodiment of the present invention is basically identical to the ultrasonic bone cutter head of the first embodiment, except that the front end of the cutter head end portion 1 is a semicircular arc. structure.
  • a cut portion is formed on the semicircular arc structure at the front end of the tip end portion 1 and on both sides of the tip end portion 1 that is in contact with the semicircular arc structure.
  • the thickness of the cutting portion is slightly larger than the thickness of the rear portion of the tip end portion 1, and the toothed structure 11 is machined in the cutting portion.
  • a water guide 12 is opened between adjacent teeth on one face of the sheet-like structure of the tip end portion 1. It is also possible to open the water guide 12 between adjacent teeth on both faces of the sheet-like structure of the tip end portion 1, respectively.
  • the water guiding groove 12 is grooved in the direction of the tooth from the end of the cutter head toward the arbor, and the bottom end of the bottom end of the water guiding groove 12 coincides with the rear surface of the tip end portion 1.
  • the ultrasonic bone cutter head in the second embodiment of the present invention can concentrate the energy generated by the ultrasonic transducer on the end of the cutter head (the most effective working part), so that the front end portion of the cutter has the strongest The energy output achieves the strongest working effect, and the invention is easy to process.
  • the present invention provides a blade-shaped cutter head with a water guide at the front end, and the thickness of the cutting portion at the head end of the cutter head is slightly larger than the thickness of the rear portion of the cutter head end, so that the flushing liquid flows to the tip end portion of the cutter head.
  • the ultrasonic bone cutter head of the invention can maximize the cooling effect on the tip end of the cutter head, so that the flushing liquid can flow to the tip end of the cutter head at any time during the cutting process, thereby avoiding the operating temperature being too high during the cutting process.
  • the negative impact on the organization has improved the safety of the operation.

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

Abstract

L'invention concerne un outil de coupe d'ostéotome ultrasonore qui comprend une partie extrémité de tête d'outil de coupe (1), une barre de coupe (2) et un corps de coupe (3). Une extrémité de la barre de coupe (2) est reliée à la tête d'outil de coupe (1), et l'autre extrémité de la barre de coupe (2) est reliée au corps de coupe (3) ; la tête d'outil de coupe (1) est constituée d'une structure de feuille plate ou d'une structure de feuille plate à gradient formée par transition progressive à partir de la barre de coupe (2) ; l'épaisseur d'une partie coupe avant de la tête d'outil de coupe (1) est supérieure à l'épaisseur d'une partie arrière de la tête d'outil de coupe (1) ; et une structure dentée (11) est traitée au niveau de la partie coupe de la tête d'outil de coupe (1). Une rainure de guidage d'eau (12) est développée entre les dents adjacentes sur un seul côté ou deux côtés de la tête d'outil de coupe (1). L'outil de coupe d'ostéotome ultrasonore peut améliorer considérablement l'effet de refroidissement sur la pointe de l'outil de coupe ; un fluide de rinçage peut s'écouler sur la pointe de l'outil de coupe à n'importe quel moment dans un processus de coupe ; et les effets négatifs sur les tissus dus à une température de fonctionnement élevée sont évités dans le processus de coupe.
PCT/CN2018/087471 2017-06-12 2018-05-18 Outil de coupe d'ostéotome ultrasonore Ceased WO2018228128A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201720676950.5U CN207707972U (zh) 2017-06-12 2017-06-12 一种超声骨刀刀头
CN201720676950.5 2017-06-12

Publications (1)

Publication Number Publication Date
WO2018228128A1 true WO2018228128A1 (fr) 2018-12-20

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Application Number Title Priority Date Filing Date
PCT/CN2018/087471 Ceased WO2018228128A1 (fr) 2017-06-12 2018-05-18 Outil de coupe d'ostéotome ultrasonore

Country Status (2)

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CN (1) CN207707972U (fr)
WO (1) WO2018228128A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001035812A2 (fr) * 1999-11-15 2001-05-25 Misonix Incorporated Lame tranchante a ultrasons avec refroidissement
CN101843523A (zh) * 2010-05-28 2010-09-29 浙江舒友仪器设备有限公司 一种高频手术刀
CN202637073U (zh) * 2012-05-22 2013-01-02 江苏创英医疗器械有限公司 截骨刀头
CN203458441U (zh) * 2013-07-22 2014-03-05 曹群 一种超声骨刀刀头
CN203852409U (zh) * 2014-03-20 2014-10-01 孙珊 一种清痂刀
CN104323831A (zh) * 2014-09-16 2015-02-04 中国人民解放军第一七五医院 全脊椎切除间盘切割器

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001035812A2 (fr) * 1999-11-15 2001-05-25 Misonix Incorporated Lame tranchante a ultrasons avec refroidissement
CN101843523A (zh) * 2010-05-28 2010-09-29 浙江舒友仪器设备有限公司 一种高频手术刀
CN202637073U (zh) * 2012-05-22 2013-01-02 江苏创英医疗器械有限公司 截骨刀头
CN203458441U (zh) * 2013-07-22 2014-03-05 曹群 一种超声骨刀刀头
CN203852409U (zh) * 2014-03-20 2014-10-01 孙珊 一种清痂刀
CN104323831A (zh) * 2014-09-16 2015-02-04 中国人民解放军第一七五医院 全脊椎切除间盘切割器

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US11950796B2 (en) 2019-07-31 2024-04-09 Beijing Smtp Technology Co., Ltd. Ultrasonic bone scalpel bit and robot-assisted ultrasonic bone power system using same
CN110313972B (zh) * 2019-07-31 2025-01-10 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

Also Published As

Publication number Publication date
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