WO2004012611A1 - Instrument chirurgical et procede de fabrication associe - Google Patents

Instrument chirurgical et procede de fabrication associe Download PDF

Info

Publication number
WO2004012611A1
WO2004012611A1 PCT/JP2003/009566 JP0309566W WO2004012611A1 WO 2004012611 A1 WO2004012611 A1 WO 2004012611A1 JP 0309566 W JP0309566 W JP 0309566W WO 2004012611 A1 WO2004012611 A1 WO 2004012611A1
Authority
WO
WIPO (PCT)
Prior art keywords
working
hardness
working body
surgical tool
surgical
Prior art date
Application number
PCT/JP2003/009566
Other languages
English (en)
Japanese (ja)
Inventor
Tsuyoshi Uetake
Original Assignee
Keisei Medical Industrial 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 Keisei Medical Industrial Co., Ltd. filed Critical Keisei Medical Industrial Co., Ltd.
Publication of WO2004012611A1 publication Critical patent/WO2004012611A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/3209—Incision instruments
    • A61B17/3211—Surgical scalpels, knives; Accessories therefor
    • A61B17/3213—Surgical scalpels, knives; Accessories therefor with detachable blades

Definitions

  • the present invention relates to a surgical instrument such as a scalpel, a loop, and tweezers.
  • a surgical instrument such as a scalpel, a loop, and tweezers.
  • Surgical instruments used for surgery and the like for example, females, generally have high hardness and no flexibility (hereinafter referred to as conventional examples). This is because sharpness is the most important for scalpels, and a decrease in hardness is likely to cause a decrease in sharpness.
  • the present invention solves the above problems, and is transformed into various shapes.
  • the aim is to provide a highly practical surgical tool that can be operated easily with a single surgical tool even in places where it is difficult to introduce surgical tools, and in multiple places. Disclosure of the invention
  • the present invention relates to a surgical instrument characterized by having the following configuration.
  • the hardness of the working unit 2 is set to a bendable hardness, and the operating unit 2 is configured to be able to perform an operation with the working unit 2 bent while the working body 1 is bent. It relates to the surgical instrument according to any one of 1 to 3.
  • the working body 1 is a blade plate 1
  • the working portion 2 is a blade edge 2
  • the hardness of the blade plate 1 is set to a strength that can be bent and that the sharpness of the blade edge 2 is not insufficient.
  • the working tool 1 is a surgical tool according to any one of claims 1 to 13, which is a working tool 1 for palate surgery.
  • the present invention also relates to a method for manufacturing a surgical tool, wherein the surgical tool 3 is capable of being operated by the working unit 2 while the work body 1 is bendable and the work body 1 is bent. .
  • this is a method of manufacturing a surgical tool for performing a surgical operation using the work unit 2 provided on the work body 1, wherein the work unit 2 is attached to a material whose hardness has been increased by heat treatment, and subsequently, the work unit 2 is attached.
  • a material whose hardness has been increased by heat treatment By annealing the material to obtain a work body 1 having a hardness of 250 to 350 Hv, work is performed with the work body 1 having a bendable hardness and the work body 1 being bent.
  • the present invention relates to a method for manufacturing a surgical tool, which is characterized by manufacturing a surgical tool 3 that can be operated by a part 2.
  • FIG. 1 is an explanatory perspective view of the present embodiment.
  • FIG. 2 is an explanatory enlarged perspective view of a main part of the present embodiment.
  • Figure 3 is an illustration of the operation site. BEST MODE FOR CARRYING OUT THE INVENTION
  • the working body 1 (for example, the blade plate 1 of the female 3) is bent to the left or right to deform it into a bending state suitable for surgery, and in this bending state, the working unit 2 (for example, the blade edge 2) is bent. ).
  • the operation can be easily performed by bending the working body 1 so that the working part 2 abuts well. It can be carried out.
  • the working part 2 when performing surgery on a part where it is difficult for another working part 2 to abut (for example, when cutting the right posterior gum first and then cutting the left posterior gum), the working part 2 is good. Surgery can be easily performed by bending the work body 1 into another shape so as to abut the work.
  • the operation performed by the operation unit 2 provided on the operation body 1 is performed.
  • the tool 3 is configured so that the hardness of the working body 1 is set to a bendable hardness, and the operating section 2 can perform an operation with the working body 1 bent.
  • Surgical tools 3 used for surgery include female tools, tweezers, needle electrode hemostats, loop-type probes, spherical hemostats, etc., depending on the application. )).
  • the present embodiment will be described below using the method 3 as a specific example.
  • the knife 3 has a blade plate 1 provided with a blade edge 2 for cutting tissues such as skin and meat. Further, the blade plate 1 is provided with a connecting portion 5 for attaching a handle 4, and the connecting portion 5 connects the blade plate 1 and the aforementioned handle 4 to form a knife 3.
  • the hardness of the blade plate 1 is set at 250 to 350 HV.
  • the hardness is such that the blade plate 1 can be bent by hand, and when cutting the tissue with the blade edge 2 while the blade plate 1 is bent, the blade plate 1 maintains the bent state. Is the hardness that can be obtained.
  • the hardness of the blade edge 2 is set in the same manner as the hardness of the blade plate 1. Experiments have confirmed that if the hardness is 250 to 350 Hv, there is no problem in cutting the tissue by the cutting edge 2 (the sharpness remains good).
  • This method 3 is preferably used for palate surgery where the blade edge 2 is particularly difficult to reach during surgery.
  • the material of the blade plate 1 is preferably martensitic stainless steel or the like, like the general female material.
  • the manufacture of the blade 1 of the method 3 is performed as follows.
  • a material such as martensite stainless steel is punched into the shape of the blade plate 1 by a press.
  • the punched material that is, the blade plate 1 is subjected to a heat treatment to increase the hardness to 600 to 800 Hv as in the case of a normal knife blade plate. They will break.)
  • one side edge of the blade plate 1 is sharpened with a grindstone to which diamond is welded to form a blade edge 2.
  • burrs are removed by buffing.
  • annealing is performed using a high vacuum furnace to lower the hardness of the blade plate 1 and the blade edge 2 to 250 to 350 Hv.
  • the use of the high vacuum furnace prevents the blade plate 1 from being oxidized and degraded.
  • the blade plate 1 of the female 3 capable of cutting the tissue with the blade edge 2 while maintaining the bendable and bent state.
  • a punched blade plate 1 is formed by pressing a material such as martensite stainless steel into the shape of the blade plate 1 by pressing.
  • the punched blade plate 1 is subjected to a heat treatment so that the hardness of the blade plate 1 can be bent and can maintain the bent state, that is, the hardness of the blade plate 1 is set to 250 to 350 HV. Enhance.
  • one side edge of the blade plate 1 is sharpened with a grindstone to which a diamond is welded to form a blade edge 2. Subsequently, burrs are removed by puff polishing.
  • the blade plate 1 of the scalpel 3 capable of cutting the tissue with the blade edge 2 while maintaining the bendable and bent state.
  • the surgery was performed to close the left palate tear and gain language skills in a one and a half year old boy.
  • the opening of the palate 6 was opened with a Dingman opener, and a female was introduced into the palate 6 to remove the mucosa and periosteum (dotted line in Fig. 3) of the hard palate on the tooth side.
  • the patient was moved backward (push-back), and an operation was performed to close the left cleft palate with the mucosa and periosteum.
  • the present embodiment is configured as described above, it is desired to easily introduce the scalpel 3 in a place where it is difficult to introduce the female 3 by bending the blade plate 1 by hand and deforming it into various shapes.
  • the blade edge 2 can be reliably brought into contact with the place, which makes the surgical tool excellent in practicality that can perform surgery well.
  • the blade plate 1 by deforming the blade plate 1 into various shapes, it becomes a highly practical surgical tool that can perform surgery with a single scalpel 3 in a plurality of locations.
  • the blade 1 can be freely deformed by bending the blade edge 2 along with the blade edge 2, thereby providing a surgical tool with excellent practicality that can perform cutting operations along complicated curves in a favorable manner.
  • the hardness of blade plate 1 is set to a value that does not cause it to deform to another shape when cutting the surgical site while being bendable, so that the shape of bent blade plate 1 during surgery returns to the original shape. Without surgery, surgery can be performed reliably.
  • the working unit can be easily brought into contact with a part where the working unit is difficult to contact by appropriately bending the working body, thereby improving the operation. It is a surgical tool with excellent practicality.
  • the operator when operating in another place, the operator can easily respond by bending the working body to another shape, and the operation can be advanced quickly without preparing many surgical tools Excellent practicality It becomes a surgical tool.
  • the operation can be performed in the working section while the working body is bent, the bending state of the working body does not return to its original state, and the surgical tool is excellent in practicality that can perform the surgery without fail.
  • the present invention is quite in the invention of good ones become c according to claim 3, bent state corresponding exactly to the shape of the location to be operative by bending the working body by hand during surgery for the palate surgery Can be produced quickly, and the operation can be performed even better.
  • the working part can also be bent, the working body can be bent into an arbitrary shape without being affected by the working part, and it is easier to cope with a complicated surgical site, which is even better. Surgery can be performed in the future.
  • the cutting operation is performed by matching the shape of the working portion to the curved shape. In this respect, the operation can be performed even better.
  • a surgical instrument that can exhibit the effects of the present invention can be easily obtained.
  • a simple surgical tool that can exert the effect of the present invention is obtained. be able to.

Landscapes

  • 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

L'invention concerne un instrument chirurgical conçu de manière à présenter une forme à changement variable afin qu'une zone dans laquelle un instrument chirurgical peut être difficilement introduit puisse être simplement opérée et même qu'une pluralité de zones puisse être opérée avec un seul instrument chirurgical, ce dernier étant d'une très grande utilité. L'invention porte aussi sur un instrument chirurgical permettant d'effectuer des opérations chirurgicales au moyen d'une section de travail (2) installée dans un corps de travail (1), la résistance du corps de travail (1) étant réglée de manière à pouvoir se courber afin d'effectuer des opérations chirurgicales grâce à la section de travail (2), le corps de travail (1) étant maintenu courbé.
PCT/JP2003/009566 2002-08-01 2003-07-28 Instrument chirurgical et procede de fabrication associe WO2004012611A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002-224669 2002-08-01
JP2002224669A JP2004065293A (ja) 2002-08-01 2002-08-01 手術具及びその製造方法

Publications (1)

Publication Number Publication Date
WO2004012611A1 true WO2004012611A1 (fr) 2004-02-12

Family

ID=31492137

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2003/009566 WO2004012611A1 (fr) 2002-08-01 2003-07-28 Instrument chirurgical et procede de fabrication associe

Country Status (2)

Country Link
JP (1) JP2004065293A (fr)
WO (1) WO2004012611A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS624831A (ja) * 1985-06-28 1987-01-10 Nisshin Steel Co Ltd 形状の良好なマルテンサイト系ステンレス鋼薄鋼帯の製造方法
JPH03234250A (ja) * 1990-02-13 1991-10-18 Sumitomo Bakelite Co Ltd 超音波手術器用ホーン
WO1995031926A1 (fr) * 1994-05-23 1995-11-30 Sachdeva Rohit C I Instrument pour procedures de type endoscopique
JPH09154847A (ja) * 1995-12-11 1997-06-17 Olympus Optical Co Ltd 内視鏡下外科手術用処置具
JPH11333A (ja) * 1997-06-10 1999-01-06 Keisei Ika Kogyo Kk 注射針型縫合器
WO2000062698A1 (fr) * 1999-04-21 2000-10-26 Arthrocare Corporation Systemes et methodes permettant le traitement electrochirurgical de tissus sous muqueuse

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS624831A (ja) * 1985-06-28 1987-01-10 Nisshin Steel Co Ltd 形状の良好なマルテンサイト系ステンレス鋼薄鋼帯の製造方法
JPH03234250A (ja) * 1990-02-13 1991-10-18 Sumitomo Bakelite Co Ltd 超音波手術器用ホーン
WO1995031926A1 (fr) * 1994-05-23 1995-11-30 Sachdeva Rohit C I Instrument pour procedures de type endoscopique
JPH09154847A (ja) * 1995-12-11 1997-06-17 Olympus Optical Co Ltd 内視鏡下外科手術用処置具
JPH11333A (ja) * 1997-06-10 1999-01-06 Keisei Ika Kogyo Kk 注射針型縫合器
WO2000062698A1 (fr) * 1999-04-21 2000-10-26 Arthrocare Corporation Systemes et methodes permettant le traitement electrochirurgical de tissus sous muqueuse

Also Published As

Publication number Publication date
JP2004065293A (ja) 2004-03-04

Similar Documents

Publication Publication Date Title
JP4390484B2 (ja) 整形用器具
EP3113693B1 (fr) Instrument chirurgical à ultrasons
JP3375765B2 (ja) 根管治療器具の製造方法及び根管治療器具
US20060089650A1 (en) Rasp attachment for a motor-driven surgical hand-held device
EP1525865A3 (fr) Instruments chirurgicaux et méthode de reformation cornéale
EP0913126A3 (fr) Instrument bipolaire de type ciseaux et pince combiné
US20150257777A1 (en) Malleable Scalpel System
US20060178677A1 (en) Hair punch
JP2002345834A (ja) 医療用刃物
JP2004350936A (ja) 根管治療器具及び製造方法
KR20070009484A (ko) 은 성분을 갖는 전기수술용 전극
JP2014147435A (ja) 医療用器具
WO2004012611A1 (fr) Instrument chirurgical et procede de fabrication associe
JP2000139931A (ja) マイクロ縫合針およびその製造方法
JP2018533989A (ja) 再使用可能なインプラント送出デバイス
US6368336B1 (en) Device for soft tissue modeling and coagulating soft tissue
JP2003235851A (ja) 内視鏡用処置具及びその作動部の製造方法
CN109893181A (zh) 颅骨缺损修补手术新型头皮撑开器
Yang et al. Technical refinements of infracture for the zygomatic body and arch reduction
JP6087514B2 (ja) 手術用器具
WO2002045601A1 (fr) Bistouri
CN108938050B (zh) 一种口腔种植手术用手术刀及其操作方法
CN209751121U (zh) 神经外科手术探针
CN210541738U (zh) 一种曲面手术刀片
Kirkup Surgical history. The history and evolution of surgical instruments. IX Scissors and related pivot-controlled cutting instruments.

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PT RO SE SI SK TR

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
121 Ep: the epo has been informed by wipo that ep was designated in this application
122 Ep: pct application non-entry in european phase