WO2003057047A1 - Procede de fabrication d'une aiguille a suturer a chas unique - Google Patents
Procede de fabrication d'une aiguille a suturer a chas unique Download PDFInfo
- Publication number
- WO2003057047A1 WO2003057047A1 PCT/FR2003/000023 FR0300023W WO03057047A1 WO 2003057047 A1 WO2003057047 A1 WO 2003057047A1 FR 0300023 W FR0300023 W FR 0300023W WO 03057047 A1 WO03057047 A1 WO 03057047A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- diameter
- needle
- eye
- axial hole
- heat treatment
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 238000002788 crimping Methods 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 238000005553 drilling Methods 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 230000005855 radiation Effects 0.000 claims description 2
- 238000005336 cracking Methods 0.000 description 3
- 229910000734 martensite Inorganic materials 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
- A61B17/06004—Means for attaching suture to needle
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
- A61B17/06166—Sutures
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
- A61B17/06004—Means for attaching suture to needle
- A61B2017/06028—Means for attaching suture to needle by means of a cylindrical longitudinal blind bore machined at the suture-receiving end of the needle, e.g. opposite to needle tip
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
- A61B17/06066—Needles, e.g. needle tip configurations
- A61B2017/061—Needles, e.g. needle tip configurations hollow or tubular
Definitions
- the invention relates to a new and original method for manufacturing a surgical needle intended for holding, by crimping, a suture thread; said needle being of the type comprising a point, a body and an eye provided with an axial hole of diameter and depth adapted to contain the end of the suture to be crimped.
- the invention also relates to the needle obtained by the implementation of said method
- Known surgical suturing needles are of two types linked to their shape which is either curved or straight: - curved needles represent more than 90% of sales and are more particularly intended for internal use;
- - straight needles are more particularly intended for external use (skin).
- - triangular needles are used in other cases (skin, muscles).
- the diameter of the needles generally varies from 0.24 to 1.57 mm and their length varies respectively from 8.5 to 100 mm.
- the diameter of the axial holes generally varies, depending on the diameters of the needles, from 0.10 to 1 mm and their depth varies respectively from 0.30 to 3 mm.
- the type of suture for example single or multi-thread.
- the needles in question are entirely made of martensitic type steel which is subjected to a heat treatment (soaking) after drilling the eye.
- the invention therefore aims to produce a surgical needle, with a single eye for the full range of diameters of sutures intended to equip a surgical needle of well-defined diameter, the aims of which are pursued, the means used and the results obtained are totally different from those taught in the known state of the art.
- the method according to the invention is essentially characterized in that it consists in carrying out, on a surgical needle, entirely made of steel of the austenitic type, in the area of the eye, a local heat treatment suitable for:
- the needle obtained by the implementation of said method is essentially characterized in that it comprises an eye provided with an axial, cylindrical hole, the diameter and the depth of which are unique for the full range of diameters of the sutures intended to equip a needle with a well-defined diameter.
- the characteristics and advantages of the invention will appear more clearly on reading the detailed description which follows of at least one preferred embodiment of the latter given by way of nonlimiting example and represented in the appended drawing (FIG. single) which is a side view of a needle and the suture intended to be crimped there.
- the assembly shown comprises a surgical needle (1), of diameter (D1), intended to hold, by crimping, a suture thread (2) of diameter (D3). It comprises a point (1A), a body (1B) and an eye (1C) provided with an axial hole (3), of diameter (D2) and of depth (P), adapted to contain the end (2A) suture thread (2) to be crimped.
- the method of manufacturing the surgical needle according to the invention consists in carrying out, on said needle (1), which is entirely made of steel of the austenitic type, only in the area of the eye (1C), a heat treatment suitable for: - on the one hand, allow the mechanical drilling of the axial hole (3) whose diameter (D2), unique, is determined as a function of the diameter (D1) of the needle (1) and the diameter (D3) of the wire suture (2) of larger diameter belonging to the full range of suture threads intended to equip a needle of given diameter (D1); - on the other hand, obtaining a ductility allowing a reduction, by crushing during crimping, of the initial diameter (D2) of the axial hole (3) of depth (P), at least equal to 50%.
- This ductility is obtained for a "Vickers" hardness of the austenitic steel between 280 and 380 Hv and more restrictively between 300 and 340 Hv.
- Said heat treatment consists in subjecting said zone (1C) to a temperature of between 850 and 1000 ° C for a period of between 0.3 and 1 second.
- the heat source used to carry out said heat treatment of said zone (1C) is by laser radiation (precision, instantaneousness, molecular aspect).
- the surgical needle to be sutured obtained by the implementation of said method comprises an eye (1 C) provided with an axial hole (3) whose diameter (D2) is unique for the full range of diameters (D3) of suture (2) intended to equip a needle of given diameter (D1).
- Said axial hole (3) also has a depth (P) unique for said range of sutures (2).
- the diameter (D1) of the needle can vary from 0.24 to 1.57 mm.
- the diameter (D2) of the axial hole (3) of the eye (1C) can vary from 0.12 to 1.04 mm.
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
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03709858A EP1460944A1 (fr) | 2002-01-07 | 2003-01-07 | Procede de fabrication d une aiguille a suturer a chas uniqu e |
AU2003214293A AU2003214293A1 (en) | 2002-01-07 | 2003-01-07 | Method of producing a single-eyed suture needle |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0200142A FR2834441B1 (fr) | 2002-01-07 | 2002-01-07 | Procede pour la fabrication d'une aiguille chirurgicale a suturer et aiguille a chas unique obtenue |
FR02/00142 | 2002-01-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003057047A1 true WO2003057047A1 (fr) | 2003-07-17 |
Family
ID=8871186
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2003/000023 WO2003057047A1 (fr) | 2002-01-07 | 2003-01-07 | Procede de fabrication d'une aiguille a suturer a chas unique |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1460944A1 (fr) |
AU (1) | AU2003214293A1 (fr) |
FR (1) | FR2834441B1 (fr) |
WO (1) | WO2003057047A1 (fr) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3394704A (en) * | 1965-10-20 | 1968-07-30 | Torrington Co | Surgical needle with bonded suture |
EP0296776A2 (fr) * | 1987-06-22 | 1988-12-28 | Matsutani Seisakusho Co. Ltd., | Aiguille chirurgicale et méthode et appareillage pour sa fabrication |
DE3841443C1 (en) * | 1988-12-09 | 1990-01-04 | Singer Spezialnadelfabrik Gmbh, 5102 Wuerselen, De | Surgical needle |
EP0443704A1 (fr) * | 1990-02-22 | 1991-08-28 | Matsutani Seisakusho Co. Ltd., | Aiguille de suture chirurgicale coniquement effilée |
US5403345A (en) * | 1993-10-12 | 1995-04-04 | United States Surgical Corporation | Needle suture attachment |
US5707391A (en) * | 1995-06-07 | 1998-01-13 | United States Surgical Corporation | Apparatus and method for attaching surgical needle suture components |
-
2002
- 2002-01-07 FR FR0200142A patent/FR2834441B1/fr not_active Expired - Lifetime
-
2003
- 2003-01-07 EP EP03709858A patent/EP1460944A1/fr not_active Withdrawn
- 2003-01-07 AU AU2003214293A patent/AU2003214293A1/en not_active Abandoned
- 2003-01-07 WO PCT/FR2003/000023 patent/WO2003057047A1/fr not_active Application Discontinuation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3394704A (en) * | 1965-10-20 | 1968-07-30 | Torrington Co | Surgical needle with bonded suture |
EP0296776A2 (fr) * | 1987-06-22 | 1988-12-28 | Matsutani Seisakusho Co. Ltd., | Aiguille chirurgicale et méthode et appareillage pour sa fabrication |
DE3841443C1 (en) * | 1988-12-09 | 1990-01-04 | Singer Spezialnadelfabrik Gmbh, 5102 Wuerselen, De | Surgical needle |
EP0443704A1 (fr) * | 1990-02-22 | 1991-08-28 | Matsutani Seisakusho Co. Ltd., | Aiguille de suture chirurgicale coniquement effilée |
US5403345A (en) * | 1993-10-12 | 1995-04-04 | United States Surgical Corporation | Needle suture attachment |
US5707391A (en) * | 1995-06-07 | 1998-01-13 | United States Surgical Corporation | Apparatus and method for attaching surgical needle suture components |
Also Published As
Publication number | Publication date |
---|---|
AU2003214293A1 (en) | 2003-07-24 |
EP1460944A1 (fr) | 2004-09-29 |
FR2834441A1 (fr) | 2003-07-11 |
FR2834441B1 (fr) | 2004-10-22 |
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