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7937981 |
Process for treating metal alloy surgical needles to improve bending stiffness
A method of mechanically treating alloy metal surgical needles to improve bending strength is disclosed. The needles are curved and reverse-curved in this method to improve bending strength.
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7356900 |
Manipulator needle portion repairing method
In a manipulator needle portion defect repairing method, the existence of an abrasion or a fracture in a needle portion for holding a sample at an end of a manipulator disposed in an FIB device is...
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7353683 |
Surgical needle manufacturing process
A process for manufacturing a surgical needle incorporates at least one pressing operation which, preferably, in conjunction with a trimming and/or etching process, ultimately forms the sharpened...
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7185411 |
Method and apparatus for forming fine gauge and monofilament single and double-armed sutures
An apparatus for forming armed sutures has a swaging station for receiving, holding and swaging needles that are deposited therein. A linear motor drives a suture insertion gripper, which pulls...
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7185524 |
Grindless surgical needle manufacture
A method for manufacturing a surgical needle devoid of a grinding process includes the steps of swaging a needle blank to define a substantially tapered or conical needle end, pressing the tapered...
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6517523 |
Needle for injection syringe and method for manufacturing the same
A tip portion of a needle main body having an edge point includes a first slant surface slanted at 10-18 degrees with respect to the axis of the needle main body, a pair of second slant surfaces...
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6497994 |
Photolithographic process for the formation of a one-piece needle
A method and an apparatus is disclosed for forming a one-piece introducer needle having a member portion and a needle portion by introducing a photoresist on a substrate. The temperature of the...
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6163948 |
Stand alone swage method
A semi-automated machine and method for singulating individual surgical needles from an bulk supply and attaching a suture to the surgical needle is described. Each of the surgical needles has a...
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6009933 |
Five beveled point geometry for a hyperdermic needle
A hypodermic needle featuring a multi-beveled point geometry is disclosed. In one embodiment, the multi-beveled point features a primary bevel, a pair of tip bevels, and a pair of middle bevels...
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5943759 |
Method for manufacturing needle attached sutures and apparatus therefor
This invention relates to a method for manufacturing a needle attached suture and an apparatus therefor. A needle attached suture is obtained by inserting a suture into an insertion hole formed in...
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5928268 |
Curved surgical needles and method of making the same
A curved surgical needle and a method for producing the same from a solid sheet of material rather than from coiled wire including the steps of drilling a bore in one edge of the material, grinding...
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5902320 |
Surgical needle, production method thereof, and needle holder
The present invention provides a surgical needle having a needle tip end and a clamping portion to be clamped by a needle holder for applying a current, wherein the needle tip end is made from a...
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5853423 |
Process for the manufacture of suture needles and needles produced thereby
A process for the manufacture of suture needles and, more particularly, a process for enhancing the physical strength of the suture needles through an expedient cold-working or cold-forming...
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5814166 |
Process for heat treating and tempering surgical needles
A continuous process for heat treating and cleaning and tempering martensitic stainless steel surgical needles is disclosed. The method comprises exposing the surgical needles to a partial vacuum...
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5776268 |
Process for manufacturing surgical needles
A process for progressively manufacturing cutting edge needles or wire members. Needle blanks or wire blanks are cut from a roll of wire and mounted to a carrier strip. The carrier strip and...
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5749897 |
Surgical needle and mold for manufacturing the same
A surgical needle has a top edge formed by two pressed faces located inside or outside of curvature from pressing a material blank made of austenitic stainless steel having fibrous texture and...
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5682940 |
Method for forming curved, rectangular bodied needle blanks from tubular stock
There is disclosed an apparatus for forming curved and rectangular bodied needle blanks from a length of needle stock which includes a generally cylindrical inner mandrel having a plurality of...
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5683416 |
Surgical suture needle of the taper point type
A taper point surgical needle having improved needle point strength is disclosed. In one embodiment of the needle, a tip portion includes first and second integral tapered regions having first and...
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5676008 |
Apparatus and method of forming needle blanks from wire stock
There is disclosed an apparatus and method for forming curved and pointed needle blanks from a coiled length of wire needle stock material. The apparatus includes an inner mandrel having a...
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5640874 |
Progressive die/carrier apparatus and method of forming surgical needles and/or incision members
There is disclosed an apparatus and a method for progressively forming high strength surgical needles from bulk needle stock material. The apparatus generally includes a series of progressive...
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5626043 |
Apparatus for forming curved rectangular bodied needles
An apparatus for forming at least one curved, rectangular bodied surgical needle which comprises frame means, flat press means associated with said frame means for imparting first flat surfaces to...
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5613391 |
Machine and method for knurling the tip of a needle
A machine and method for knurling an end portion of a cylindrical workpiece including a hypodermic needle or biopsy needle. The machine includes a base to which a reciprocating mechanism and a...
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5608962 |
Method and apparatus for attaching surgical suture components
A method and apparatus for attaching sutures to curved surgical needles. A vibratory bowl and vibratory rail function to present individual surgical needles to a transfer system in a predetermined...
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5553477 |
Progressive die apparatus and method for forming surgical incision members
There is disclosed an apparatus for forming a surgical incision member comprising which includes a first die associated with a base and having a first groove therein for receipt of at least a...
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5549629 |
Apparatus for covering a surgical needle to protect the user
This invention provides for a novel retractable, telescoping, surgical needle cover and a collapsible needle, such that the sharp tip of the needle is covered after use thereby protecting the user...
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5479980 |
Method and device for forming drilled needle blanks
An apparatus for preparing drilled needle blanks from a spool of coiled stock wire may include a laser for drilling a bore in the end of the stock wire and a cutting device for cutting the drilled...
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5457978 |
Cartridge fed apparatus for forming curved rectangular bodied needles
An apparatus having a frame; a shuttle member, adapted to receive and hold a needle blank, and movably mounted to the frame; a clamp member detachably mounted on the frame for supplying needle...
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5438746 |
Needle threading and swaging system
An automated machine for attaching a suture to a surgical needle comprises a first apparatus located at a first predetermined location for sorting a plurality of randomly oriented needles and...
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5411613 |
Method of making heat treated stainless steel needles
Surgical needles are produced from martensitic precipitation-hardening stainless steel and then vacuum heat treated and vacuum cooled to increase its tensile strength while retaining the polished...
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5405354 |
Suture driver
A suture driver for clamping a suture in the hollow passage and a recessed channel thereof and manipulating the suture to and from a surgical site. The driver includes an outer member tube having a...
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5394726 |
Apparatus and method for positioning and pressing curved surgical needles
The present invention relates to an apparatus and method for positioning and pressing surgical needle blanks. The apparatus includes a needle blank transferring system which transfers needle blanks...
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5392725 |
Sewing machine needle and method for manufacturing same
A sewing machine needle is manufactured without producing any burrs on a blade by subjecting the whole blade to die pressing. A needle blank (10) is subject to double swaging, resulting in it being...
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5351518 |
Four slider apparatus for forming curved rectangular bodied needles and method
An apparatus for forming a curved, flat sided surgical needle, which comprises a frame member including an anvil member having an arcuate surface profile; a movable first die member for...
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5323633 |
Apparatus and method for orienting a curved workpiece
An apparatus for presenting a curved workpiece to a workstation, includes a frame member and a guide channel associated with the frame member for receiving a curved workpiece in a generally upright...
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5287721 |
Apparatus and method for forming curved needles
Apparatus for forming curved needles from needle blanks of differing sizes and material characteristics having a guide die, driven by a linear actuator, for biasing the needle blank against a...
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5178628 |
Suture needle and method of producing same
In the production of a suture needle, a distal end portion of an elongated material is ground into a generally quadrangular pyramid shape. Then, the distal end portion of the elongated material is...
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5057401 |
Process for making a device with a three-dimensionally tapered point
Process for preparing a pointed device by a photochemical process by coating the top and bottom surfaces of a sheet material with a light-sensitive photoresist, exposing the photoresist with light...
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5042558 |
Fastener dispensing needle and method of making
A fastener dispensing needle is manufactured by a machining process which includes bending a metal tube to assist in obtaining an important configuration for the tip of the needle. A flared portion...
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4984941 |
Apparatus for forming a suture cut-off feature in a surgical needle possessing a suture-receiving socket
An apparatus is provided for accurately forming suture cut-off feature in a surgical needle of the socketed type.
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4922904 |
Apparatus for connecting thread to surgical needle
An apparatus for connecting a thread wound on a bobbin to a surgical needle including feeding rollers for unwinding the thread from the bobbin, a tube-like chuck for selectively fix the thread...
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4884619 |
Knitting sticks made of bamboo
A method for the production of bamboo-made knitting sticks provided with a gauge scale comprises the steps of processing a bamboo material into a rod of a round or quadratic shape in cross-section,...
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4805292 |
Suturing needle with suture and method of producing the same
A suturing needle with suture used in a surgical operation and a method of producing the same. The suturing needle is formed of a single or two or more doubled hollow tubes and a core material...
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4785868 |
Medical needle and method for making
A progressive die process for making medical needles attached to a carrier strip, as well as the product of the process. The process includes steps of forming a flat blank in unitary attachment...
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4777096 |
Sheet containing a plurality of surgical needles
Surgical needles are produced by a process which comprises the steps of: (a) coating at least one side of a metal sheet with a light sensitive photoresist; (b) exposing the photoresist with light...
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4722384 |
Method of and apparatus for attaching suture to operating needle
A method of and an apparatus for staking a proximal end of an operating needle, with one end of a suture being inserted into a bore in the proximal end of the needle, to attach the suture to the...
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4700043 |
Method of forming bore in eyeless operating needle
A method of forming a bore for attachment of an end of a suture, in a proximal end portion of an eyeless operating needle. An original needle is prepared which has its outer diameter greater than...
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4681150 |
Method of manufacturing stamped knitting needles
Elongate grooves are provided along both or one side of the shank of a knitting needle. The elongate groove is parallel with the back edge and is positioned between the back and front edges of the...
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4598753 |
Method for pressing finless sewing machine needles
A method is disclosed for finlessly pressing sewing machine needles without compromising any predetermined final needle configuration by operating on the needle blank prior to any deformation by...
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4587202 |
Photoetching process for making surgical needles
Surgical needles are produced by a process which comprises the steps of: (a) coating at least one side of a metal sheet with a light sensitive photoresist; (b) exposing the photoresist with light...
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4561445 |
Elongated needle electrode and method of making same
A improved needle and method of forming the improved needle from an elongated cylindrical shank. The needle is formed by first cutting or grinding one end of the shank to create a first bevel...
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