US3394704A - Surgical needle with bonded suture - Google Patents

Surgical needle with bonded suture Download PDF

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Publication number
US3394704A
US3394704A US49856665A US3394704A US 3394704 A US3394704 A US 3394704A US 49856665 A US49856665 A US 49856665A US 3394704 A US3394704 A US 3394704A
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Prior art keywords
needle
thread
end
bore
body
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Edmund E Dery
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Timken US LLC
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Timken US LLC
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/06Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
    • A61B17/06004Means for attaching suture to needle
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00Machine element or mechanism
    • Y10T74/20Control lever and linkage systems
    • Y10T74/20396Hand operated
    • Y10T74/20402Flexible transmitter [e.g., Bowden cable]
    • Y10T74/20456Specific cable or sheath structure

Description

July 30, 1968 E. E. DERY 3,394,704

SURGICAL NEEDLE WITH BONDED SUTURE Filed Oct. 20, 1965 INVENTOR EDMUND EDEQY 2th ML, W2, W

ATTORNEYS United States Patent 3,394,704 SURGICAL NEEDLE WITH BONDED SUTURE Edmund E. Dery, New Hartford, Conn., assignor to The Torrington Company, Torrington, Conn., a corporation of Maine Filed Oct. 20, 1965, Ser. No. 498,566 5 Claims. (Cl. 128339) ABSTRACT OF THE DISCLOSURE Disclosed herein is a needle configuration including a needle having a generally cylindrical body portion pointed at one end thereof and having a generally cylindrically sectioned bore at the opposite end thereof in which is located the end portion of a thread. The thread is maintained within the smooth surface of the generally cylindrical bore only by the bonding provided by a bonding agent located therein. The bore opening is specifically configured to prevent the rupturing or breaking of the thread adjacent the joinder thereof with the needle body portion.

This invention relates in general to new and useful improvements in needle construction, and more particularly to a needle of the type having a permanently attached thread. The invention finds particular use in connection with surgical needles having 'bonded sutures.

A primary object of this invention is to attach a thread to a needle by means of a bonding or retaining agent in a manner wherein the components are united more easily and uniformly for maximum strength requirements and at the same time the needle design is simplified, the quality of the needle is improved and the sewing, suturing or lacing, etc. operation is benefited.

Prior to this invention, needles of this type, commonly referred to in the trade as swage on sutured needles or by the trade name Atraumatic needles in order to differentiate them from the eyed type, consisted of two main classes generally known in the trade as the channel type and the drill end or seamless type. Each of these two types had numerous disadvantages which are overcome by this invention.

The channel type has a groove struck at the extremity of the needle at the end opposite the point and at various angles relative to the point configuration or needle curvature. Raised triangular protrusions or corrugations extend across the bottom of the groove and after the thread has been inserted into the groove, the side walls of the groove are crimped or swaged around the thread, thereby effecting a gripping action on the thread by the corrugations. This type of needle is the least attractive in appearance and offers the poorest quality of Atraumatic needle. The

reason for this is that it is diflicult to form a cylindrical shape at the channel in the end section to a smooth tight closure because of metal flow characteristics and shape of the groove. Thus, trauma or tissue opening is not minimized when the needle is utilized for surgical purposes, a contaminating carrier pocket may result, metal flaking or burrs caused by metal flow may leave a residue in the tissue which could create damage, packing fluids could be carried over to the tissue to cause irritation, and sharp edges along the channel clip-off walls as well as the corrugation could fracture the thread during the closing of the channel or in the use of the needle. Also, since the needle requires cold working to attach the thread, the channel end must be annealed after heat treatment of the needle to allow the metal to flow without cracking severely, resulting in a weak wall and therefore poor grip ping force, a non-uniform heat treatment or a soft end which could bend excessively during use, and a recurving 3,394,704 Patented July 30, 1968 operation to provide a full needle curvature for a smooth steady sewing or suturing action during use. This design also requires close tolerance manufacturing of the wire size, groove, corrugation and thread in order to provide a uniformly tight closure around the thread and avoid fracturing thread during the closing or swaging operation.

The drill end type is subsequently an improvement over the channel type in that the tapped hole, having radial protrusions, located at the extremity of the needle at the end opposite the point is crimped or swaged around the thread resulting in a stronger one piece, seamless wall, a better gripping action because of the full threads and a Wire size diameter which minimizes trauma. However, there are disadvantages in this type of needle in that the needle requires minimum size drilling and tapping to close tolerance diameters, including the thread sizes, the tap threads are diificult to clean out residue, the root sections of the tap threads have a tendency to cause fracturing of the needle wall during cold reworking and fracture the needle during closure if tolerance is not maintained. In order to swage on the thread, the drilled end portion requires annealing after heat treatment, maintaining a nonuniform metallurgical structure or a soft bendable end. The cold working may also cause flaking of the metallic surface harmful to tissue, and if stainless steel is used for the needle material, it may lose some of its stainless qualities during annealing and rust, which may also be harmful to tissue.

It is therefore a further object of this invention to provide a bonded threaded needle which overcomes the disadvantages of the aforementioned types of Atraumatic needles.

These together with other objects and advantages which will become subsequently apparent reside in the details of construction and operation as more fully hereinafter described and claimed, reference being had to the accompanying drawings forming a part hereof, wherein like numerals refer to like parts throughout, and in which:

FIGURE 1 is a perspective view of a needle with bonded thread formed in accordance with this invention.

FIGURE 2 is an enlarged fragmentary transverse sect-ional view taken along the line 2-2 of FIGURE 1 and shows in detail the structure of the end of the needle remote from' the point thereof.

FIGURE 3 is an enlarged fragmentary elevational view with parts broken away and shown in section along the line 33 of FIGURE 2 and shows more specifically the construction of the end of the needle remote from the point and the manner in which the thread is attached thereto.

Referring to the drawing in detail, it will be seen that there is illustrated a needle formed in accordance with this invention, the needle being generally referred to by the numeral 5 and having a permanently attached thread 6. The needle 5 includes an elongated body 7 which terminates at one end in a point 8. The thread 6 projects from the opposite end of the needle.

Referring now to FIGURE 3 in particular, it will be seen that the end of the needle body 7 remote from the point 8 has a bore 9 which has been drilled therein. The bore 9 is preferably provided with a flared counterbore 10. The thread 6 is initially loosely receivable within the bore 9 and is completely surrounded by a bonding agent 11 which is adhesively bonded thereto. The bonding agent 11 is also bonded to the relatively smooth wall of the bore 9. It is to be understood that the connection between the needle and the thread 'is strictly one of bonding by the bonding agent and the bonding agent 11 is in shear when the thread 6 is tensioned.

It is also pointed out at this time that the end of the 3 needle body 7 to which the thread 6 is attached may be rounded as at 12. The purpose of the flared opening 10 and the rounding 12 is to eliminate any sharp edge which the thread 6 can contact when the thread 6 is bent at a sharp angle relative to the needle 5 in the use of the needle. Inasmuch as the thread 6 is secured to the needle body 7 by means of the bonding agent or adhesive 11 and since the needle body has no sharp corners which the thread 6 can contact, it will be readily apparent that accidental fracture or rupture of the thread 6 either due to the securement thereof to the needle body or the engagement thereof with the needle body during the use of the needle and thread assembly is eliminated.

At this time it is pointed out that the needle body 7 may be straight as opposed to the curved configuration shown in the drawing. Also, the threaded 6 may be of the multi-braided strand type illustrated or it may be of the mono-filament type. Further, the thread 6 is not limited to any particular material and may be thread utilized for conventional sewing or may be suture material. Also, it is not necessary that the bore 9 be formed by drilling and that it may be formed by heading or other similar machining operations depending upon the desire of the manufacturer.

The needle and thread assembly of this invention has numerous advantages. In the first place, it is not necessary that the diameter of the bore 9 be strictly maintained nor is it necessary that the diameter of the needle body 7 at the bore 9 be maintained in that any variations between the diameter of the thread and the diameter of the bore 9 will be taken up in the adhesive material 11.

In view of the fact that the thread is secured to the needle by means of the adhesive material 11, it will be apparent that no special machining of the needle body is required to provide a mechanical interlock with the thread. Furthermore, because there is no clamping of the thread by the metal of the needle body 7, there is no weakening of the thread and, accordingly, the accidental fracture or rupture of the thread 6 at its connection with the needle is prevented.

The elimination of Working of the needle body 7 in the securement of the thread 6 has numerous advantages. First of all, the needle body 7 may have a smooth, seamless surface throughout the length thereof. The metallurgical structure of the needle metal is improved in that 'it may be of uniform hardness throughout its length with the metal being less ductible at the thread end thereof, there being less danger of fracturing of the side wall of the needle or the thread or suture material, and there being no metallic residue harmful to tissue.

It is also pointed out here that the needle is stronger in that the apertured end thereof is solidly filled with the thread and the bonding agent so as to eliminate any possible collapse of the side wall of the needle body by handling methods. Also, since the bore 9 is-substantially filled and is closed by the bonding agent, there is a less tendency for harmful contaminating carrier to tissues. Also, because the wire size of the needle may be held to a minimum and the rough surfaces have been eliminated, there will be less resultant trauma.

Although only a preferred embodiment of the invention has been specifically illustrated and described herein, it is to be understood that minor variations may be made in the needle construction without departing from the spirit and scope of the invention, as defined by the appended claims.

I claim:

1. A needle having a permanently attached thread, said needle comprising a body of only a single homogeneous metallic material terminating in a smoothly pointed end, said body being of a constant external section and having a smooth external surface, said body having an end portion remote from said pointed end, said end portion having a smooth wall bore of constant section along a major portion of the length thereof, said thread having an end loosely received in said bore, and a bonding agent generally filling said bore and being bonded to both said thread and said wall, said bore having a smooth tapered entrance opening away from said thread and said bonding agent to prevent the accidental rupture of said thread when bent relative to said needle and while bonded by said bonding agent.

2. The needle of claim 1 wherein said bore wall is cylindrical and said bonding agent forms the sole securing means between said thread and said bore wall.

3. The needle of claim 1 wherein said needle is a surgical needle and said thread is a suture.

4. The needle of claim 1 wherein said needle is a surgical needle and said thread is a suture, and said needle is free of metal particles of the type normally formed during the working of the metal of the needle to secure the suture in place.

5. The needle of claim 1 wherein said needle has a uniform metallurgical structure whereby freedom from localized bending and fracture is assured.

References Cited UNlTED STATES PATENTS 1,558,037 10/1925 Morton 128339 1,757,129 5/1930 McClure 128-339 2,411,079 11/1946 Baule 128339 2,910,983 11/1959 Everett 128339 2,928,395 3/1960 Forbes et al. 128-3355 FOREIGN PATENTS 687,597 2/1953 Great Britain.

DALTON L. TRULUCK, Primary Examiner.

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Cited By (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3910282A (en) * 1974-05-22 1975-10-07 American Cyanamid Co Needling monofilament sutures
US3914801A (en) * 1971-09-14 1975-10-28 Hair Again Ltd Method of applying hair
US3963031A (en) * 1974-12-11 1976-06-15 Ethicon, Inc. Juncture-lubricated needle-suture combination
FR2322292A1 (en) * 1975-08-29 1977-03-25 Volkswagenwerk Ag Cable transmission of tensile forces
DE2657054A1 (en) * 1976-06-28 1978-01-05 Ethicon Inc Related needle-suture-combination with controlled separability
US4364380A (en) * 1981-07-31 1982-12-21 Michael Lewis Device for use in interdental arch wiring
DE3539891C1 (en) * 1985-11-11 1986-11-20 Wolfram Hein surgical needle
EP0207545A1 (en) 1985-06-21 1987-01-07 D.Drukker & Zn. N.V. Method for makin microsurgical suture needles and microsurgical suture needles obtained by this method
US4667860A (en) * 1984-10-15 1987-05-26 Feuerman Research & Development Corporation Sewing needle with easy-threading filament loop
FR2619129A1 (en) * 1987-08-07 1989-02-10 Mas Richard Needle full of sewing thread
US4989764A (en) * 1990-03-26 1991-02-05 Janice Hoffman Disposable sewing implement
US5041128A (en) * 1989-09-27 1991-08-20 United States Sirgical Corporation Combined surgical needle-suture device possessing an integrated suture cut-off feature
EP0444777A1 (en) * 1990-02-01 1991-09-04 Deknatel Technology Corporation Needled suture
US5051107A (en) * 1989-09-27 1991-09-24 United States Surgical Corporation Surgical needle-suture attachment for controlled suture release
US5059212A (en) * 1989-09-27 1991-10-22 United States Surgical Corporation Surgical needle-suture attachment for controlled separation of the needle from the suture
US5067959A (en) * 1989-09-27 1991-11-26 United States Surgical Corporation Surgical needle-suture attachement for controlled suture release
US5084063A (en) * 1989-09-27 1992-01-28 United States Surgical Corporation Surgical needle-suture attachment
US5089010A (en) * 1989-09-27 1992-02-18 United States Surgical Corporation Surgical needle-suture attachment possessing weakened suture segment for controlled suture release
US5089011A (en) * 1989-09-27 1992-02-18 United States Surgical Corporation Combined surgical needle-suture device possessing an integrated suture cut-off feature
US5102418A (en) * 1989-09-27 1992-04-07 United States Surgical Corporation Method for attaching a surgical needle to a suture
US5116358A (en) * 1990-07-23 1992-05-26 United States Surgical Corporation Combined surgical needle-suture device possessing a controlled suture separation feature
EP0490143A2 (en) * 1990-12-13 1992-06-17 United States Surgical Corporation Method and apparatus for tipping sutures
US5123911A (en) * 1989-09-27 1992-06-23 United States Surgical Corporation Method for attaching a surgical needle to a suture
US5133738A (en) * 1989-09-27 1992-07-28 United States Surgical Corporation Combined surgical needle-spiroid braided suture device
US5139514A (en) * 1989-09-27 1992-08-18 United States Surgical Corporation Combined needle-suture device
US5156615A (en) * 1989-09-27 1992-10-20 United States Surgical Corporation Surgical needle-suture attachment for controlled suture release
US5226912A (en) * 1987-08-26 1993-07-13 United States Surgical Corporation Combined surgical needle-braided suture device
US5259845A (en) * 1989-09-27 1993-11-09 United States Surgical Corporation Surgical needle-suture attachment with a lubricated suture tip for controlled suture release
US5269770A (en) * 1990-01-10 1993-12-14 Rochester Medical Corporation Microcidal agent releasing catheter with balloon
US5280674A (en) * 1989-09-27 1994-01-25 United States Surgical Corporation Apparatus for attaching a surgical needle to a suture
US5403345A (en) * 1993-10-12 1995-04-04 United States Surgical Corporation Needle suture attachment
US5447465A (en) * 1993-08-19 1995-09-05 United States Surgical Corporation Method of treating needle blanks
US5507798A (en) * 1994-09-14 1996-04-16 United States Surgical Corporation Surgical needle-suture attachment for controlled suture release
US5568746A (en) * 1993-06-02 1996-10-29 United States Surgical Corporation Surgical needle-suture attachment for controlled suture release
US5897572A (en) * 1996-10-11 1999-04-27 Cornell Research Foundation, Inc. Microsurgical suture needle
US6206755B1 (en) 1994-10-19 2001-03-27 United States Surgical Corporation Method and apparatus for making blunt needles
FR2834441A1 (en) * 2002-01-07 2003-07-11 Suturex & Renodex Method for manufacturing a surgical needle and a suture needle obtained single eye
US6843796B2 (en) 1999-06-04 2005-01-18 Ams Research Corporation Bone suturing device
US20050113869A1 (en) * 2003-11-26 2005-05-26 Ethicon, Inc. Armed suture with adhesively attached surgical needle
US20050125037A1 (en) * 2003-09-10 2005-06-09 Mark Roby Method for treating a section of a suture and forming a suture tip for attachment to a needle
US20060135995A1 (en) * 2002-09-30 2006-06-22 Ruff Gregory L Barbed Suture in Combination with Surgical Needle
EP1946705A2 (en) 2003-09-10 2008-07-23 Tyco Healthcare Group Lp Method for treating a section of a suture and forming a suture tip for attachment to a needle
US20080195126A1 (en) * 2007-02-14 2008-08-14 Jan Otto Solem Suture and method for repairing a heart
US20080229510A1 (en) * 2007-03-20 2008-09-25 Morex Corporation Threading apparatus and method of making
US20090039117A1 (en) * 2006-02-28 2009-02-12 Mani, Inc. Eyeless Sewing Needle and Fabrication Method for the Same
US20100139883A1 (en) * 2008-12-09 2010-06-10 Jerry Stametz Surgical needle swage tool
US7814630B2 (en) 2006-11-17 2010-10-19 Ethicon, Inc. Apparatus and method for swaging needles
US20100298871A1 (en) * 2004-05-14 2010-11-25 Quill Medical, Inc. Self-retaining wound closure device including an anchoring loop
US20100298876A1 (en) * 2002-09-30 2010-11-25 Quill Medical, Inc. Self-retaining sutures having effective holding strength and tensile strength
US8460338B2 (en) 2008-02-25 2013-06-11 Ethicon, Inc. Self-retainers with supporting structures on a suture
US8641732B1 (en) 2008-02-26 2014-02-04 Ethicon, Inc. Self-retaining suture with variable dimension filament and method
US8652170B2 (en) 2002-08-09 2014-02-18 Ethicon, Inc. Double ended barbed suture with an intermediate body
US8747437B2 (en) 2001-06-29 2014-06-10 Ethicon, Inc. Continuous stitch wound closure utilizing one-way suture
US8771313B2 (en) 2007-12-19 2014-07-08 Ethicon, Inc. Self-retaining sutures with heat-contact mediated retainers
US8778102B2 (en) 2008-06-16 2014-07-15 Ethicon, Inc. Post laser drilling stress relief of surgical needles made of refractory alloys
US8793863B2 (en) 2007-04-13 2014-08-05 Ethicon, Inc. Method and apparatus for forming retainers on a suture
US8864730B2 (en) 2005-04-12 2014-10-21 Rochester Medical Corporation Silicone rubber male external catheter with absorbent and adhesive
US8876865B2 (en) 2008-04-15 2014-11-04 Ethicon, Inc. Self-retaining sutures with bi-directional retainers or uni-directional retainers
US8932328B2 (en) 2008-11-03 2015-01-13 Ethicon, Inc. Length of self-retaining suture and method and device for using the same
US8961560B2 (en) 2008-05-16 2015-02-24 Ethicon, Inc. Bidirectional self-retaining sutures with laser-marked and/or non-laser marked indicia and methods
USRE45426E1 (en) 1997-05-21 2015-03-17 Ethicon, Inc. Surgical methods using one-way suture
US9248580B2 (en) 2002-09-30 2016-02-02 Ethicon, Inc. Barb configurations for barbed sutures
US9675341B2 (en) 2010-11-09 2017-06-13 Ethicon Inc. Emergency self-retaining sutures and packaging
US9707375B2 (en) 2011-03-14 2017-07-18 Rochester Medical Corporation, a subsidiary of C. R. Bard, Inc. Catheter grip and method
US9872969B2 (en) 2012-11-20 2018-01-23 Rochester Medical Corporation, a subsidiary of C.R. Bard, Inc. Catheter in bag without additional packaging
US9955962B2 (en) 2010-06-11 2018-05-01 Ethicon, Inc. Suture delivery tools for endoscopic and robot-assisted surgery and methods

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GB687597A (en) * 1950-08-23 1953-02-18 S & R J Everett & Co Ltd Improvements relating to surgical and like sewing needles
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US1757129A (en) * 1928-02-16 1930-05-06 William L Mcclure Atraumatic rethreadable surgical needle
US2411079A (en) * 1944-09-09 1946-11-12 Gerhard H J Baule Method of attaching sutures to shanks of surgeons' needles
GB687597A (en) * 1950-08-23 1953-02-18 S & R J Everett & Co Ltd Improvements relating to surgical and like sewing needles
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Cited By (94)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3914801A (en) * 1971-09-14 1975-10-28 Hair Again Ltd Method of applying hair
US3910282A (en) * 1974-05-22 1975-10-07 American Cyanamid Co Needling monofilament sutures
US3963031A (en) * 1974-12-11 1976-06-15 Ethicon, Inc. Juncture-lubricated needle-suture combination
FR2322292A1 (en) * 1975-08-29 1977-03-25 Volkswagenwerk Ag Cable transmission of tensile forces
US4077277A (en) * 1975-08-29 1978-03-07 Volkswagenwerk Aktiengesellschaft Cable assembly
US4127133A (en) * 1976-06-28 1978-11-28 Ethicon, Inc. Bonded controlled release needle-suture combinations
DE2657054A1 (en) * 1976-06-28 1978-01-05 Ethicon Inc Related needle-suture-combination with controlled separability
US4364380A (en) * 1981-07-31 1982-12-21 Michael Lewis Device for use in interdental arch wiring
US4667860A (en) * 1984-10-15 1987-05-26 Feuerman Research & Development Corporation Sewing needle with easy-threading filament loop
EP0207545B1 (en) * 1985-06-21 1990-01-31 D.Drukker & Zn. N.V. Method for makin microsurgical suture needles and microsurgical suture needles obtained by this method
EP0207545A1 (en) 1985-06-21 1987-01-07 D.Drukker & Zn. N.V. Method for makin microsurgical suture needles and microsurgical suture needles obtained by this method
DE3539891C1 (en) * 1985-11-11 1986-11-20 Wolfram Hein surgical needle
FR2619129A1 (en) * 1987-08-07 1989-02-10 Mas Richard Needle full of sewing thread
US5226912A (en) * 1987-08-26 1993-07-13 United States Surgical Corporation Combined surgical needle-braided suture device
US5156615A (en) * 1989-09-27 1992-10-20 United States Surgical Corporation Surgical needle-suture attachment for controlled suture release
US5280674A (en) * 1989-09-27 1994-01-25 United States Surgical Corporation Apparatus for attaching a surgical needle to a suture
US5051107A (en) * 1989-09-27 1991-09-24 United States Surgical Corporation Surgical needle-suture attachment for controlled suture release
US5059212A (en) * 1989-09-27 1991-10-22 United States Surgical Corporation Surgical needle-suture attachment for controlled separation of the needle from the suture
US5067959A (en) * 1989-09-27 1991-11-26 United States Surgical Corporation Surgical needle-suture attachement for controlled suture release
US5084063A (en) * 1989-09-27 1992-01-28 United States Surgical Corporation Surgical needle-suture attachment
US5089010A (en) * 1989-09-27 1992-02-18 United States Surgical Corporation Surgical needle-suture attachment possessing weakened suture segment for controlled suture release
US5089011A (en) * 1989-09-27 1992-02-18 United States Surgical Corporation Combined surgical needle-suture device possessing an integrated suture cut-off feature
US5102418A (en) * 1989-09-27 1992-04-07 United States Surgical Corporation Method for attaching a surgical needle to a suture
US5259845A (en) * 1989-09-27 1993-11-09 United States Surgical Corporation Surgical needle-suture attachment with a lubricated suture tip for controlled suture release
US5041128A (en) * 1989-09-27 1991-08-20 United States Sirgical Corporation Combined surgical needle-suture device possessing an integrated suture cut-off feature
US5123911A (en) * 1989-09-27 1992-06-23 United States Surgical Corporation Method for attaching a surgical needle to a suture
US5133738A (en) * 1989-09-27 1992-07-28 United States Surgical Corporation Combined surgical needle-spiroid braided suture device
US5139514A (en) * 1989-09-27 1992-08-18 United States Surgical Corporation Combined needle-suture device
US5269770A (en) * 1990-01-10 1993-12-14 Rochester Medical Corporation Microcidal agent releasing catheter with balloon
EP0444777A1 (en) * 1990-02-01 1991-09-04 Deknatel Technology Corporation Needled suture
US4989764A (en) * 1990-03-26 1991-02-05 Janice Hoffman Disposable sewing implement
US5116358A (en) * 1990-07-23 1992-05-26 United States Surgical Corporation Combined surgical needle-suture device possessing a controlled suture separation feature
EP0490143A2 (en) * 1990-12-13 1992-06-17 United States Surgical Corporation Method and apparatus for tipping sutures
US5269808A (en) * 1990-12-13 1993-12-14 United States Surgical Corporation Method and apparatus for tipping sutures
US5425746A (en) * 1990-12-13 1995-06-20 United States Surgical Corporation Suture-needle combination with cyanoacrylate tipped sutures
US5437726A (en) * 1990-12-13 1995-08-01 United States Surgical Corporation Method and apparatus for tipping sutures
EP0490143A3 (en) * 1990-12-13 1993-03-03 United States Surgical Corporation Method and apparatus for tipping sutures
US5569302A (en) * 1990-12-13 1996-10-29 United States Surgical Corporation Tipped multifilament surgical suture
US5568746A (en) * 1993-06-02 1996-10-29 United States Surgical Corporation Surgical needle-suture attachment for controlled suture release
US5447465A (en) * 1993-08-19 1995-09-05 United States Surgical Corporation Method of treating needle blanks
US5403345A (en) * 1993-10-12 1995-04-04 United States Surgical Corporation Needle suture attachment
US5507798A (en) * 1994-09-14 1996-04-16 United States Surgical Corporation Surgical needle-suture attachment for controlled suture release
US6206755B1 (en) 1994-10-19 2001-03-27 United States Surgical Corporation Method and apparatus for making blunt needles
US5897572A (en) * 1996-10-11 1999-04-27 Cornell Research Foundation, Inc. Microsurgical suture needle
USRE45426E1 (en) 1997-05-21 2015-03-17 Ethicon, Inc. Surgical methods using one-way suture
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