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| Number | Title | Issue Date |
| 7415858 | Grindless surgical needle manufacture Surgical needles are produced by immersing a needle possessing a distal end surrounded at least in part by flash material and a body portion in an acid bath according to a predetermined sequence, wherein the distal end of the needle is exposed to the acid bath under... | 08/26/2008 |
| 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 confirmed using a microscope function of the FIB device. The abrasion... | 04/15/2008 |
| 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 needle end. The grinding operation in the preferred process does not p... | 04/08/2008 |
| 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 suture from a supply reel and inserts a cut end thereof into a needle he... | 03/06/2007 |
| 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 needle to form a plurality of intersecting surfaces and forming cutti... | 03/06/2007 |
| 7070583 | Medical bevel needle A medical bevel needle (1) having an open bevel end surface 3 is provided, wherein cutting edges (9) that linearly extend from the front end of the front-end portion (2) on the right and left sides diagonally rearwardly are formed either ... | 07/04/2006 |
| 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 slanted at 16-23 degrees, and a pair of third slant surfaces... | 02/11/2003 |
| 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 substrate is increased and then decreased. A photomask is dep... | 12/24/2002 |
| 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 suture receiving opening formed therein for receiving a sutu... | 12/26/2000 |
| 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 each intermediate the primary bevel and a respective one of t... | 01/04/2000 |
| 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 the end of a needle N which is held by a needle retaining ... | 08/31/1999 |
| 5941899 | Channel-bodied surgical needle and method of manufacture Channel-bodied surgical needles and surgical incision members are disclosed having a generally U-shaped cross-sectional body portion and a penetrating tip portion formed on at least one end thereof. Preferably, penetrating tip portions are formed at both ... | 08/24/1999 |
| 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 an edge opposite the drilled edge to form a sharpened poi... | 07/27/1999 |
| 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 conductive material which is electrically connected to a con... | 05/11/1999 |
| 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 procedure. Also disclosed is the provision of a novel and physica... | 12/29/1998 |
| 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 at a temperature less than the heat treating temperature to... | 09/29/1998 |
| 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 needles are moved through a succession of coining dies and at le... | 07/07/1998 |
| 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 cutting edges formed on both sides of a base. The top edge is ... | 05/12/1998 |
| 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 longitudinal channels formed in an outer surface thereof, the ... | 11/04/1997 |
| 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 second cross-sectional areas respectively which decrease p... | 11/04/1997 |
| 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 circumferential wire receiving groove and at least one longitudina... | 10/14/1997 |
| 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 needle processing stations. A first series of needle processing... | 06/24/1997 |
| 5630268 | Process for manufacturing taper point surgical needles A process for manufacturing surgical needles from solid, cylindrical needle blanks. A plurality of needle blanks are cut from a roll of wire and mounted to a flat carrier strip. The carrier strip then indexes each needle blank to a grinding station where ... | 05/20/1997 |
| 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 opposite sides of at least a portion of at least one needl... | 05/06/1997 |
| 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 serrated block are attached. A pressure bar is positioned abov... | 03/25/1997 |
| 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 orientation. The transfer system then delivers each orient... | 03/11/1997 |
| 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 portion of a needle blank. A second die is mounted for movement... | 09/10/1996 |
| 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 from accidental needle sticks. In one embodiment, the need... | 08/27/1996 |
| 5526666 | 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 opposite sides of at least a portion of at least one needl... | 06/18/1996 |
| 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 wire into needle blanks.... | 01/02/1996 |
| 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 blanks to the shuttle member; a transfer mechanism mounted on ... | 10/17/1995 |
| 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 orienting each needle for automatic handling at a first predete... | 08/08/1995 |
| 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 surface of the needle. A needle made by this process is als... | 05/02/1995 |
| 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 closed and pointed distal end for percutaneous introducti... | 04/11/1995 |
| 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 between a gripping position and a pressing position. A si... | 03/07/1995 |
| 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 formed with blade sections (14, 16). Then, the needle bla... | 02/28/1995 |
| 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 simultaneously imparting an arcuate profile and at least a pair of fi... | 10/04/1994 |
| 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 position. A first pusher mechanism is reciprocally movabl... | 06/28/1994 |
| 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 forming surface. Bending dies also driven by linear actuators a... | 02/22/1994 |
| 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 further ground into a generally triangular-pyramid shape, ... | 01/12/1993 |
