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WO2018161773A1 - Tête de couteau pour couteau à ultrasons - Google Patents

Tête de couteau pour couteau à ultrasons Download PDF

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Publication number
WO2018161773A1
WO2018161773A1 PCT/CN2018/075952 CN2018075952W WO2018161773A1 WO 2018161773 A1 WO2018161773 A1 WO 2018161773A1 CN 2018075952 W CN2018075952 W CN 2018075952W WO 2018161773 A1 WO2018161773 A1 WO 2018161773A1
Authority
WO
WIPO (PCT)
Prior art keywords
ultrasonic
cutter
head
cutter head
ultrasonic blade
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/CN2018/075952
Other languages
English (en)
Chinese (zh)
Inventor
孙宇
周强
战松涛
曹群
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 WO2018161773A1 publication Critical patent/WO2018161773A1/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
    • A61B17/32—Surgical cutting instruments
    • A61B17/3209—Incision instruments

Definitions

  • the invention belongs to the technical field of medical instruments, and in particular relates to an ultrasonic knife head.
  • the ultrasonic scalpel grinding head is a spoon-shaped or spherical cutter head, but at present, most of these cutter heads are mainly straight rod-shaped, and some anterior cervical spine operations such as medial epiphysis removal and ossification are performed. In the operation of ligament removal, most of these straight cutters are not competent.
  • 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 coupled to the cutter tip end, the cutter The other end of the rod is coupled to one end of the blade body, wherein the tip end portion includes a cutting portion and a connecting portion, the cutting portion is located at a front end of the tip end portion, the connecting portion and the arbor
  • the connection is cylindrical and curved at an angle to one side with respect to the shank.
  • the cutting portion at the end portion of the tip is in the shape of a scraper.
  • the end edge of the cutter head is upward and the bottom surface is a smooth circular arc plane.
  • the upper side of the cutting portion of the tip end portion is provided with a toothed structure.
  • the cutting portion of the tip end portion has a meander shape.
  • the cutting portion of the tip end portion is knurled.
  • 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 has 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 present invention adopts the following scheme:
  • the ultrasonic cutter head of the present 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 end of the cutter head with knurling structure is used for grinding, and the contact area is larger and smoother, so that a large-area bone grinding operation can be performed.
  • FIG. 1 is a perspective view of an ultrasonic blade head according to a first embodiment of the present invention
  • Figure 2 is a front elevational view of the ultrasonic blade head of the first embodiment of the present invention
  • FIG. 3 is a plan view showing an ultrasonic blade head of a first embodiment of the present invention having a hollow structure
  • Figure 4 is a front elevational view showing the ultrasonic blade head of the first embodiment of the present invention having a hollow structure
  • Figure 5 is a perspective view of an ultrasonic blade head according to a second embodiment of the present invention.
  • Figure 6 is a perspective view of an ultrasonic blade head according to a third 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.
  • FIG. 1 to 4 show an ultrasonic blade head according to a first embodiment of the present invention.
  • FIG. 1 is a perspective view of an ultrasonic blade head according to a first embodiment of the present invention
  • FIG. 2 is a front view of the ultrasonic blade head according to the first embodiment of the present invention
  • FIG. 3 is a first embodiment of the present invention showing a hollow structure.
  • Fig. 4 is a front view of the ultrasonic blade head of the first embodiment of the present invention showing a hollow structure.
  • the ultrasonic blade head of the present invention comprises a cutter head end 1, a cutter bar 2 and a blade body 3.
  • the cutter head end portion 1 includes a cutting portion 11 and a connecting portion 12, the cutting portion 11 is located at the front end of the cutter head end portion 1 for grinding and cutting, and the connecting portion 12 is connected with the cutter bar 2, has a cylindrical structure and is opposite to The shank 2 is bent at an angle to one side.
  • the cutting portion 11 of the tip end portion 1 has a spatula shape.
  • the concave surface on the upper side of the cutting portion of the tip end portion 1 may have a tooth groove 14 and a toothed structure.
  • the cutter bar 2 may have a hollow structure, and a water injection hole may be opened at a portion of the cutter bar 2 near the end portion 1 of the cutter head, as shown in FIG. Directly into the end of the cutter head 1. It is also possible that the hollow portion extends all the way to the front end of the end of the cutter head, and a water injection hole or a water injection tank is formed at the foremost end of the cylindrical structure at the end of the cutter head, as shown in FIG.
  • the ultrasonic blade head of the first embodiment of the present invention all the energy generated by the ultrasonic transducer can be concentrated on the front end portion of the blade (the most effective working portion), so that the front end portion of the cutter has the strongest energy output. Achieve the strongest work results.
  • the connecting portion 12 is coupled to the shank 2 and has a cylindrical structure and is bent at an angle to one side with respect to the shank 2, in some cervical anterior surgery, Convenient removal of the medial epiphysis or ossified ligament increases the convenience and safety of the surgical procedure.
  • the ultrasonic blade head has a hollow structure, a water injection hole is formed at the end portion of the cutter head, and the perfusion liquid is ensured to flow out from the portion of the cutter bar 2 near the tip end portion 1, so that sufficient water can be injected.
  • the entire head and the contacted tissue are completely in the cleaning and cooling of the perfusate in real time, which ensures that the excised tissue is immediately discharged, the visual field at the incision is clear and clean, and the remaining tissue to be retained can be protected. Being damaged, the risk of surgery is further reduced, and the safety and success rate of surgery are improved.
  • Fig. 5 shows an ultrasonic blade head of a second embodiment of the present invention.
  • the ultrasonic blade head according to the second embodiment of the present invention comprises 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 tip end portion 1, and the other end of the cutter bar 2 is connected.
  • Connected to one end of the blade body 3, the other end of the blade body 3 is connected to a specific ultrasound host through an ultrasonic transducer.
  • the tip end portion 1 includes a cutting portion 11 and a connecting portion 12, and the cutting portion 11 is located at the front end of the tip end portion 1 for sanding,
  • the cutting portion 12 is connected to the shank 2 in a cylindrical configuration and bent at an angle to one side with respect to the shank 2.
  • the ultrasonic blade head of the second embodiment of the present invention is different in that the cutting portion 11 of the tip end portion 1 of the ultrasonic blade head has a meandering shape (or a comb shape).
  • the connecting portion 12 is connected to the shank 2, and the connecting portion 12 has a cylindrical structure and is angled to one side with respect to the shank 2 bending.
  • the shank 2 may have a hollow structure, and a water injection hole (not shown) may be formed in a portion of the shank 2 near the tip end portion 1, and the rinsing liquid may be directly injected into the tip end portion 1.
  • the hollow portion may extend to the front end of the end portion of the cutter head, and a water injection hole or a water injection tank (not shown) may be formed at the foremost end of the cylindrical structure at the end portion of the cutter head.
  • the above structure of the ultrasonic blade head according to the second embodiment of the present invention is the same as the ultrasonic blade head of the first embodiment, and is capable of concentrating all the energy generated by the ultrasonic transducer on the front end portion of the blade (the most effective working portion) ), so that the front end of the tool has the strongest energy output to achieve the strongest working effect.
  • the ossified portion is removed by the upward squat structure, and the contact area of the scorpion head is small relative to the spoon-shaped head end of the first embodiment, but the force of grinding on the contact surface is further improved, and is suitable for the bone. Operate more severe parts. Thereby, the efficiency of the operation can be improved, the operation time can be shortened, and the burden on the patient during the operation can be reduced.
  • the ultrasonic blade head has a hollow structure, a water injection hole is formed at the end portion of the cutter head, and it is also ensured that the perfusion liquid flows out from the portion of the cutter bar 2 near the tip end portion 1, and the water can be sufficiently filled.
  • the entire head and the contacted tissue are completely in the cleaning and cooling of the perfusate in real time, so that the excised tissue can be immediately discharged.
  • the visual field at the incision is clear and clean, which further reduces the risk of surgery, and improves the safety and success rate of the operation.
  • Fig. 6 shows an ultrasonic blade head of a third embodiment of the present invention.
  • the ultrasonic blade head according to the third embodiment of the present invention also 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 tip end portion 1, and the cutter bar 2 is further One end is connected to one end of the blade body 3, and the other end of the blade body 3 is connected to a specific ultrasound host through an ultrasonic transducer.
  • the tip end portion 1 includes a cutting portion 11 and a connecting portion 12, and the cutting portion 11 is located at the front end of the tip end portion 1, and is connected.
  • the portion 12 is coupled to the shank 2, and the connecting portion 12 has a cylindrical structure and is bent at an angle to one side with respect to the shank 2.
  • the ultrasonic blade head of the third embodiment of the present invention is different in that the cutting portion 11 of the tip end portion 1 of the ultrasonic blade head is knurled to form a knurling. structure.
  • the connecting portion 12 is connected to the shank 2, and the connecting portion 12 has a cylindrical structure and is oriented to one side with respect to the shank 2. Bend at an angle.
  • the shank 2 may have a hollow structure, and a water injection hole (not shown) may be formed in a portion of the shank 2 near the tip end portion 1, and the rinsing liquid may be directly injected into the tip end portion 1.
  • the hollow portion may extend to the front end of the end portion of the cutter head, and a water injection hole or a water injection tank (not shown) may be formed at the foremost end of the cylindrical structure at the end portion of the cutter head.
  • the ultrasonic blade head As in the above configuration of the ultrasonic blade head according to the third embodiment of the present invention, all the energy generated by the ultrasonic transducer can be concentrated on the front end portion of the blade ( The most effective working part), so that the front end of the tool has the strongest energy output to achieve the strongest working effect.
  • the end portion of the cutter head using the knurled structure is sharpened and more flat, so that the bone grinding operation can be performed on a larger area.
  • the ultrasonic blade head has a hollow structure, a water injection hole is provided at the end portion of the cutter head, and the perfusion liquid is also ensured to flow out from the portion of the cutter bar 2 near the tip end portion 1, so that sufficient water can be injected.
  • the entire head and the contacted tissue are completely in the cleaning and cooling of the perfusate in real time, and the excised tissue can be immediately discharged.
  • the visual field at the incision is clear and clean, which further reduces the risk of surgery, and improves the safety and success rate of the operation.
  • 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 one end of the blade body 3, and between the holder 2 and the blade body 3 may be
  • the smooth transition of the inclined surface or the circular arc surface is provided with the connecting thread 31 at the other end of the blade body 3.
  • the connecting thread 31 can be either in-line or externally embedded.
  • the connecting thread 31 of the blade 3 is connected to a specific ultrasonic transducer and tightened with a corresponding wrench, and then the ultrasonic transducer is connected to a specific ultrasonic host to perform the operation.

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

Abstract

La présente invention concerne une tête de couteau pour un couteau à ultrasons, comprenant : une partie d'extrémité de tête de couteau (1), une tige de couteau (2) et un corps de couteau (3) ; une extrémité de la tige de couteau (2) est reliée à la partie d'extrémité de tête de couteau (1), tandis qu'une autre extrémité de la tige de couteau (2) est reliée au corps de couteau (3) ; la partie d'extrémité de tête de couteau (1) comprend une partie de coupe (11) et une partie de liaison (12), la partie de coupe (11) étant située au niveau d'une extrémité avant de la partie d'extrémité de tête de couteau (1), et la partie de liaison (12) est reliée à la tige de couteau (2), la partie de liaison (12) ayant une structure cylindrique et se courbant selon un certain angle vers un côté par rapport à la tige de couteau (2).
PCT/CN2018/075952 2017-03-10 2018-02-09 Tête de couteau pour couteau à ultrasons Ceased WO2018161773A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201720232070.9 2017-03-10
CN201720232070.9U CN207707970U (zh) 2017-03-10 2017-03-10 一种超声刀刀头

Publications (1)

Publication Number Publication Date
WO2018161773A1 true WO2018161773A1 (fr) 2018-09-13

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Application Number Title Priority Date Filing Date
PCT/CN2018/075952 Ceased WO2018161773A1 (fr) 2017-03-10 2018-02-09 Tête de couteau pour couteau à ultrasons

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CN (1) CN207707970U (fr)
WO (1) WO2018161773A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112690873B (zh) * 2020-12-25 2021-10-26 中南大学湘雅医院 一种可弯折的超声刀
CN113520531A (zh) * 2021-08-11 2021-10-22 杰医新思路产研(福州)医疗科技有限公司 一种水冷式超声切割止血刀及其使用方法
CN114748133B (zh) * 2022-03-31 2025-01-03 何莉莉 一种用于骨髓炎病灶清理的超声腔内刀装置及清理方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200942107Y (zh) * 2006-07-04 2007-09-05 张辉 超声骨刀刀头
CN201404264Y (zh) * 2009-04-02 2010-02-17 张玉明 骨科医用刮匙
US20110270256A1 (en) * 2009-09-24 2011-11-03 Medicinelodge, Inc. Dba Imds Co-Innovation Surgical rasp with radiofrequency ablation
CN103431894A (zh) * 2013-07-03 2013-12-11 桂林市啄木鸟医疗器械有限公司 一种超声骨刀机工作尖
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200942107Y (zh) * 2006-07-04 2007-09-05 张辉 超声骨刀刀头
CN201404264Y (zh) * 2009-04-02 2010-02-17 张玉明 骨科医用刮匙
US20110270256A1 (en) * 2009-09-24 2011-11-03 Medicinelodge, Inc. Dba Imds Co-Innovation Surgical rasp with radiofrequency ablation
CN103431894A (zh) * 2013-07-03 2013-12-11 桂林市啄木鸟医疗器械有限公司 一种超声骨刀机工作尖
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

Also Published As

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