WO2018153250A1 - Pointe coupante de bistouri à ultrasons - Google Patents

Pointe coupante de bistouri à ultrasons Download PDF

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Publication number
WO2018153250A1
WO2018153250A1 PCT/CN2018/075446 CN2018075446W WO2018153250A1 WO 2018153250 A1 WO2018153250 A1 WO 2018153250A1 CN 2018075446 W CN2018075446 W CN 2018075446W WO 2018153250 A1 WO2018153250 A1 WO 2018153250A1
Authority
WO
WIPO (PCT)
Prior art keywords
ultrasonic
cutting
central axis
head according
blade
Prior art date
Application number
PCT/CN2018/075446
Other languages
English (en)
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
Publication of WO2018153250A1 publication Critical patent/WO2018153250A1/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
    • A61B17/32—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
    • A61B17/320068—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
    • A61B2217/00—General characteristics of surgical instruments
    • A61B2217/002—Auxiliary appliance
    • A61B2217/007—Auxiliary appliance with irrigation system

Definitions

  • the invention belongs to the technical field of medical instruments, and in particular relates to an ultrasonic knife head.
  • the ultrasonic cutter head of the present invention comprises a cutter head end, a cutter bar and a blade body, one end of the cutter bar is connected to the cutter head end, and the other end of the cutter bar is connected with the blade body, wherein
  • the body of the end portion of the cutter head is a cylindrical structure, and one end of the cylindrical structure is formed with an inclined surface inclined with respect to a central axis thereof, the inclined surface extending to a center axis or a central axis of the cylindrical structure
  • the position transitions to a horizontal plane parallel to the central axis or a small angle bevel that is approximately parallel to a horizontal plane parallel to the central axis and extends all the way to the foremost end of the tip end to form a cutting end.
  • the foremost end of the cutting end is smoothly gathered into a circular arc-shaped blade.
  • the shank is a hollow structure in which a through hole is formed in the center, and the through hole extends from the opening of the tip end to the front end of the cutting end.
  • the shank is a hollow structure in which a through hole is formed at a center, and the opening of the through hole extends only to an intermediate position of the cutting end.
  • the foremost end of the cutting end is a flat head semi-cylindrical shape.
  • the shank is a hollow structure in which a through hole is formed at a center, and the opening of the through hole extends only to an intermediate position of the cutting end.
  • both sides of the cutting end are edged or opened to form a side cutting edge or a side cutting tooth.
  • the arbor and the tip end are of a unitary structure.
  • the blade bar and the blade body are smoothly connected 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 an external fitting.
  • the thread is connected, and the cutter body is further provided with a clamping portion.
  • the ultrasonic 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 portion), so that the front end portion of the cutter has the strongest energy output. The strongest working effect, and the ultrasonic blade head of the present invention is easier to process.
  • the lateral teeth can be opened on the side to facilitate the lateral pulling and cutting during the cutting process, and the lateral arc movement is reduced, which can be applied to more occasions and is more convenient to use.
  • the arc-shaped design of the tip of the cutter head can help the doctor to perform the tissue ablation operation in the hole-shaped wound more easily, which can increase the accuracy of the operation, shorten the operation time, and improve the safety of the operation. .
  • the flat-topped semi-cylindrical cutter head of the present invention can have better temperature characteristics.
  • the ultrasonic cutter head of the present invention has a hollow structure, and a hollow curved groove is arranged at the end of the cutter head to inject the flushing liquid, thereby ensuring that the flushing liquid flows out from the end of the cutter head, which helps to cool the cutter head during the operation. 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 prior art ultrasonic cutter head
  • 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 ultrasonic blade head of the first embodiment of the present invention.
  • Figure 4 is a bottom plan view of the ultrasonic blade head of the first embodiment of the present invention.
  • Figure 5 is a front elevational view of a second embodiment of the ultrasonic blade head of the present invention.
  • Figure 6 is a perspective view of an ultrasonic blade head according to a third embodiment of the present invention.
  • Figure 7 is a perspective view of an ultrasonic blade head according to a fourth 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 cutter head according to the 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 cutter tip end portion 1, and the other end of the cutter bar 2 is connected. Connected to the blade 3, the blade 3 is connected to a specific ultrasound host via an ultrasonic transducer.
  • the body of the tip end portion 1 is a cylindrical structure, one end of which is formed with an inclined surface inclined with respect to a central axis thereof, the inclined surface extending to a central axis or center of the cylindrical structure When the position near the axis is turned to a horizontal plane or an approximately parallel small-angle bevel parallel to the central axis, and extending to the foremost end of the tip end 1 to form a cutting end 11.
  • the foremost end of the cutting end 11 is gradually smoothly (re-tilted) into a circular arc-shaped blade as the leading end cutting edge 12.
  • the inclined surface extends to a position near the lower side of the central axis of the cylindrical structure to a horizontal plane and extends to the foremost end of the tip end portion 1.
  • the ultrasonic cutter head of the present invention the energy generated by the ultrasonic transducer can be concentrated at the end of the cutter head (the most effective working portion), so that the front end portion of the cutter has the strongest energy output, reaching the maximum The working effect is strong, and the ultrasonic blade head of the present invention is easy to process.
  • the shank 2 is a hollow structure in which a through hole is formed in the center, and the through hole continues to the front end of the tip end portion 1, and the through hole is at the tip end portion 1
  • the opening forms a hollow arcuate groove 14 for perfusion of the rinsing liquid.
  • the hollow arcuate groove 14 continues to a thicker diameter to the bottom of the arcuate thin blade at the foremost end of the tip end portion 1, so that the cut end becomes a semi-cylindrical arc piece.
  • the shank 2 and the tip end portion 1 may be of a unitary structure or may be assembled separately.
  • the holder 2 and the tip end portion 1 are of a unitary structure.
  • the hollow structure of the ultrasonic cutter head ensures that the perfusate flows out from the rear surface of the end of the cutter head, so that sufficient water can be injected, and the entire cutter head and the contacted tissue are completely in the cleaning and cooling of the perfusate in real time during the operation. In this case, it is ensured that the excised tissue is immediately discharged, the visual field at the incision is clear and clean, and the remaining tissue to be retained is protected from damage, thereby reducing the risk of surgery.
  • 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 31, and the connecting thread 31 may be in-line or in-line.
  • an externally connected threaded structure is employed.
  • a clamping portion 32 is also provided on the blade body 3.
  • the connecting thread 31 of the blade body 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 perform work.
  • Fig. 5 shows an ultrasonic blade head of a second embodiment of the present invention.
  • the ultrasonic blade head of the second embodiment is substantially identical to the ultrasonic blade head of the first embodiment, except that the foremost end of the cutting end 11 of the tip end portion 1 is a flat top half.
  • both sides of the cutting end 11 are edged or opened to form side cutting edges or cutting teeth 13, which facilitate cutting on both sides.
  • the flat-topped semi-cylindrical flat-top cutter head has better temperature characteristics, is more conducive to heat dissipation and cooling of the cutter head during cutting, can protect the cutter head from being damaged, and protect the cut tissue subjected to surgery from damage. It can extend the life of the cutter head and improve the success rate of the operation.
  • Fig. 6 is a schematic perspective view showing an ultrasonic blade head according to a third embodiment of the present invention.
  • the ultrasonic blade head of this embodiment is substantially identical to the ultrasonic blade head of the first embodiment, except that the inclined surface of the tip end portion 1 extends all the way to the central axis of the cylindrical structure or When the vicinity of the central axis, it is turned into a small-angle bevel which is approximately parallel to the central axis and extends to the foremost end of the tip end portion 1 to form a cutting end 11, and the foremost end of the cutting end 11 is gradually smoothly gathered into a circular arc-shaped blade.
  • the two sides of the cutting end 11 are edged to form a side cutting edge 13 for facilitating surgical operations such as cutting or side scraping on both sides.
  • the shank 2 is a hollow structure in which a through hole is formed in the center, and the through hole continues to the front end of the tip end portion 1, and the through hole is at the tip end.
  • the intermediate portion of the portion 1 is open to form a hollow arcuate groove 14 for infusing the rinsing liquid.
  • the hollow arcuate groove 14 extends only in a thinner diameter to the intermediate position of the tip end 1 such that the cutting end becomes an approximately semi-cylindrical center with a long groove.
  • the shank 2 and the tip end portion 1 may be of a unitary structure or may be assembled separately.
  • the holder 2 and the tip end portion 1 are of a unitary structure. Also, according to the hollow structure ultrasonic blade head of the present embodiment, it is possible to ensure that the perfusate flows out from the rear surface of the tip end portion, thereby being able to sufficiently inject water, and the entire head portion and the contacted tissue are in real time during surgery. It is completely in the cleaning and cooling of the perfusate, ensuring that the excised tissue is immediately discharged, the visual field of the incision is clear and clean, and the remaining tissue is protected from damage, thereby reducing the risk of surgery.
  • Fig. 7 is a perspective view showing the ultrasonic blade head of the fourth embodiment of the present invention.
  • the ultrasonic blade head in this embodiment is substantially identical to the ultrasonic blade head of the third embodiment, except that the two sides of the cutting end 11 are formed with teeth to form side cutting teeth 13 for convenient sides. Perform surgical operations such as cutting or side scraping.
  • the energy generated by the ultrasonic transducer can be concentrated at the end of the cutter head (the most effective working portion), so that the front end portion of the cutter has the strongest energy output, reaching the maximum Strong working effect and the invention is easy to process.
  • the lateral teeth can be opened laterally, which facilitates the lateral pulling and cutting during the cutting process and reduces the lateral arc movement, and can be applied to more occasions and is convenient to use.
  • the arc-shaped design of the tip of the cutter head can help the doctor to perform the tissue ablation operation in the hole-shaped wound more easily, which can increase the accuracy of the operation, shorten the operation time, and improve the operation. Security.

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Mechanical Engineering (AREA)
  • Biomedical Technology (AREA)
  • Dentistry (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)
  • Knives (AREA)

Abstract

Pointe coupante de bistouri à ultrasons comprenant une extrémité (1) de pointe coupante, une partie de préhension (2) et un corps (3), une extrémité de la partie de préhension (2) étant reliée à l'extrémité (1) de pointe coupante et l'autre extrémité de la partie de préhension (2) étant reliée au corps (3). Le corps principal de l'extrémité (1) de pointe coupante forme une structure cylindrique, une extrémité de la structure cylindrique présentant une surface en biseau par rapport à un axe central, laquelle surface en biseau s'étend sur l'axe central ou en un point proche de l'axe central de la structure cylindrique au-delà d'un plan horizontal parallèle à l'axe central ou d'un plan oblique à petit angle similaire à l'axe central et s'étend directement vers l'extrémité la plus en avant de l'extrémité (1) de pointe coupante pour former une extrémité de coupe (11). Avantages de la pointe coupante de bistouri à ultrasons : structure simple, facile à fabriquer, pratique, sûre et se prête à toutes sortes d'opérations chirurgicales nécessitant une intervention à des emplacements spécifiques.
PCT/CN2018/075446 2017-02-21 2018-02-06 Pointe coupante de bistouri à ultrasons WO2018153250A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710092390.3A CN106890020A (zh) 2017-02-21 2017-02-21 一种超声刀刀头
CN201710092390.3 2017-02-21

Publications (1)

Publication Number Publication Date
WO2018153250A1 true WO2018153250A1 (fr) 2018-08-30

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Application Number Title Priority Date Filing Date
PCT/CN2018/075446 WO2018153250A1 (fr) 2017-02-21 2018-02-06 Pointe coupante de bistouri à ultrasons

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CN (1) CN106890020A (fr)
WO (1) WO2018153250A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN107518929A (zh) * 2017-09-14 2017-12-29 北京水木天蓬医疗技术有限公司 超声骨刀刀头
CN107595368B (zh) * 2017-10-19 2024-04-30 以诺康医疗科技（苏州）有限公司 一种超声波手术刀头、刀杆及超声波手术刀
CN114431922A (zh) * 2022-01-27 2022-05-06 以诺康医疗科技（苏州）有限公司 超声刀刀头

Citations (6)

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Publication number Priority date Publication date Assignee Title
US5047043A (en) * 1986-03-11 1991-09-10 Olympus Optical Co., Ltd. Resecting device for living organism tissue utilizing ultrasonic vibrations
CN102475567A (zh) * 2011-05-03 2012-05-30 江苏水木天蓬科技有限公司 一种超声骨刀刀头
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
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
CN207118921U (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

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US6503263B2 (en) * 2000-09-24 2003-01-07 Medtronic, Inc. Surgical micro-shaving instrument with elevator tip
US20030204199A1 (en) * 2002-04-30 2003-10-30 Novak Theodore A. D. Device and method for ultrasonic tissue excision with tissue selectivity
US8911460B2 (en) * 2007-03-22 2014-12-16 Ethicon Endo-Surgery, Inc. Ultrasonic surgical instruments

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5047043A (en) * 1986-03-11 1991-09-10 Olympus Optical Co., Ltd. Resecting device for living organism tissue utilizing ultrasonic vibrations
CN102475567A (zh) * 2011-05-03 2012-05-30 江苏水木天蓬科技有限公司 一种超声骨刀刀头
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
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
CN207118921U (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

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Publication number Publication date
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