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Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 8177754 | Surgical port seal A seal device having a substantially conical shape including a slit opening at its tip defined by a pair of planar surfaces, the opening reinforced by gussets on the exterior surface of the seal device and adjacent to the end regions of the slit. The gussets help bi... | 05/15/2012 |
| 8172806 | Surgical portal with seal system A surgical seal system is adapted for use with a cannula assembly having a cannula housing and a cannula sleeve extending from the cannula housing. The surgical seal assembly includes a seal assembly and an adapter assembly. The seal assembly is mountable to the can... | 05/08/2012 |
| 8162894 | Valve opener A medical introducer apparatus for use in inserting an interventional device into a body vessel of a patient. The apparatus includes a housing having a proximal opening, a distal opening, and a chamber positioned between the openings. A hemostatic valve system is pr... | 04/24/2012 |
| 8162895 | Endoluminal access device A surgical access apparatus for providing access inside a body includes a housing having a first port, a tubular member extending distally from the housing and defining a longitudinal axis therealong, wherein the tubular member includes a lumen extending therethroug... | 04/24/2012 |
| 8137318 | Surgical protection device for a surgical sealing element and surgical sealing system In order to improve a surgical protection device for a surgical sealing element of a surgical sealing system comprising a trocar, the sealing element having an insertion opening which can be widened, the protection device comprising a base member which can be arrang... | 03/20/2012 |
| 8137319 | Access port including centering feature A surgical access port includes an access member defining a longitudinal axis and having an interior wall defining a longitudinal opening adapted for passage of a surgical object, an object seal disposed in mechanical cooperation with the access member and configure... | 03/20/2012 |
| 8109909 | Medical instrument An indwelling needle assembly has a hollow outer needle fixed to an outer needle hub, an inner needle in the outer needle and fixed to an inner needle hub, and a protector. A step section of the outer needle hub serves as a speed reducer that reduces the speed, in t... | 02/07/2012 |
| 8092430 | Single port device with multi-lumen cap A surgical access apparatus includes an access member defining a longitudinal axis and having a longitudinal passageway for reception and passage of a surgical object and an access housing mountable to the access member. The access housing includes a diaphragm mount... | 01/10/2012 |
| 8025640 | Pressurized surgical valve A surgical access assembly for use during the course of a minimally invasive procedure includes a pump assembly to selectively communicate to and from the seal member such that the seal may transition from a first condition to at least one subsequent condition. In t... | 09/27/2011 |
| 8007472 | Universal seal for use with endoscopic cannula A universal seal is shown with orbital movement of a center opening for use in endoscopic surgery. A two part seal housing encloses the universal seal in an annulus surrounding an insertion port. The outer periphery of the universal seal is clamped between the two p... | 08/30/2011 |
| 7988671 | Pleated trocar shield A surgical access device or trocar defines an access channel for instruments extending from a proximal end to the distal end thereof. The trocar comprises a cannula and a seal assembly disposed at the proximal end of the cannula. The seal assembly comprises a first ... | 08/02/2011 |
| 7981086 | Surgical access assembly with winepress seal A surgical access apparatus includes a housing, an access member extending from the housing and having a longitudinal passageway for passage of an object and defining trailing and leading ends and an elongated seal mechanism mounted relative to the housing. The elon... | 07/19/2011 |
| 7951118 | Introducer seal assembly A seal assembly for use with an access device includes a seal housing defining a central longitudinal axis, an inner wall and an outer wall. The inner wall defines a longitudinal opening to permit passage of instrumentation through the seal housing. A gimbal mount i... | 05/31/2011 |
| 7896845 | Surgical portal assembly A surgical portal assembly includes a portal member adapted for positioning within tissue. The portal member defines a central longitudinal axis and has a longitudinal passageway for permitting passage of a surgical object. In addition, the portal member includes a ... | 03/01/2011 |
| 7892209 | Arrangement comprising a catheter and connector piece, and valve for passage of a catheter To provide an access route which is leaktight and at the same time permits mobility and exact positioning of an instillation catheter (6), an arrangement comprising an instillation catheter (6) and a connector piece (1) for attachment to a trach... | 02/22/2011 |
| 7854724 | Trocar assembly with pneumatic sealing A trocar for use in a minimally invasive surgical procedure includes an elongated body, nozzle means and means for delivering a pressurized flow of fluid to the nozzle means. The elongated body has a generally tubular configuration with coaxially arranged inner and ... | 12/21/2010 |
| 7828775 | Telescoping cannula An apparatus may serve as a surgical portal for the reception of surgical instruments for use in laparoscopic or similar surgery. The apparatus may include inner and outer tubular elongate members adapted for a longitudinal translation relative to one another to eff... | 11/09/2010 |
| 7771395 | Surgical access device with pendent valve A surgical access device, such as a trocar, includes a pendent valve having an elongate structure extending from a proximal end to a septum valve disposed at a distal end. In operation, the elongate structure follows the angle of the instrument to pre-position the s... | 08/10/2010 |
| 7744568 | Infusion hub assembly and fluid line disconnect system An infusion hub assembly, comprising: a hub received in a hole in a wing, the hub having a bore passing therethrough, with an upper portion of the circular hub having an attachment surface thereon; an infusion cannula extending downwardly away from the wing, the inf... | 06/29/2010 |
| 7744569 | Valve assembly including diameter reduction structure for trocar A surgical seal assembly includes a sleeve housing adapted to be operatively connected to a surgical sleeve, a seal housing adapted for releasable mounting to the sleeve housing and having a seal member with inner portions adapted to permit passage of a surgical obj... | 06/29/2010 |
| 7691088 | Vascular access device A vascular access device having a spring-biased septum is provided for preventing the leakage of blood during the placement and use of vascular catheters and similar devices. The structure of the device includes a housing with an internal channel. A spring-biased se... | 04/06/2010 |
| 7670317 | One piece low drag septum A one-piece low drag septum is provided for preventing escape of fluid from an introducer needle during removal of such a needle from a catheter and introducer needle assembly. The septum generally includes a distal portion, a proximal portion, a cavity portion, and... | 03/02/2010 |
| 7645266 | Fluid seal for endoscope A seal is provided for effectively inhibiting the egress of fluids from the working channel of an endoscope when an elongate device having a region with a non-circular cross-sectional shape is disposed therein. The seal has a body portion with a proximal end adapted... | 01/12/2010 |
| 7563250 | Self-sealing cannula A cannula assembly for performing a surgical includes a cannula defining a longitudinal axis and having a longitudinal passageway extending therethrough, a seal for substantially sealing the longitudinal passageway within the cannula in the absence of an object bein... | 07/21/2009 |
| 7544184 | Bloodless percutaneous insertion system A system for permitting substantially bloodless percutaneous entry into an artery or vein of a patient. The system comprises a needle assembly, a needle hub attachment assembly having a hemostatic segment, and a wire guide inserter (curve straightener) or a wire gui... | 06/09/2009 |
| 7537583 | Fluid seal for endoscope A seal is provided for effectively inhibiting the egress of fluids from the working channel of an endoscope when an elongate device having a region with a non-circular cross-sectional shape is disposed therein. The seal has a body portion with a proximal end adapted... | 05/26/2009 |
| 7438702 | Multi-seal trocar system A multi-seal trocar system (10) includes a plurality of co-axial sealing elements (30 60,80) adapted for forming a seal with either a large or small instrument. Small and large scaling elements (45,62) are disposed in an in-line arrangement such... | 10/21/2008 |
| 7413559 | Gas flow trocar arrangement A trocar assembly for use in surgery in a patient, comprising an elongated outer tubular member having a first or proximal end and a second or distal end. The proximal end has a housing enclosing a fluid pressure chamber therein. The distal end of the outer tubular ... | 08/19/2008 |
| 7347839 | Indwelling catheter An indwelling catheter comprises a tube, a female connector and an elastically deformable hemostasis valve which can be pressed by a male connector. An opening taper portion tapered forwardly is formed in a longitudinal intermediate portion of an inner circumferenti... | 03/25/2008 |
| 7347828 | Suction adapter for medical instrument A suction adapter for use with first and second medical devices capable of accommodating suction, the adapter including a manifold having at least three ports and a flexible flow valve. The ports may include: a suction port configured for connecting to a suction sou... | 03/25/2008 |
| 7338465 | Infusion device and method thereof The disclosures made herein relate to an infusion device specifically adapted for syringe injections. In one embodiment of the disclosures made herein, an infusion device comprises a body including an accessible surface having a single inlet port therein, an engagem... | 03/04/2008 |
| 7338473 | Pneumoseal trocar arrangement A cannula assembly for the maintenance of an operative pneumoperitoneum in a patient comprising an elongated cannula having a proximal end and a distal end. A removable valve is securely arranged in the proximal end of the cannula to provide a seal and minimize the ... | 03/04/2008 |
| 7316699 | Introducer assembly for medical instruments An assembly structured to introduce a trocar or other medical instrumentation into a body cavity through an entry site formed in the cavity wall. The introducer assembly includes a base formed of a semi-rigid, flexible and/or a semi-flexible material having an instr... | 01/08/2008 |
| 7285112 | Gas flow trocar arrangement A trocar assembly for use in surgery in a patient, comprising an elongated outer tubular member having a first or proximal end and a second or distal end. The proximal end has a housing enclosing a fluid pressure chamber therein. The distal end of the outer tubular ... | 10/23/2007 |
| 7276047 | Ductal lavage microcatheter with user activated valve and Nitinol introducer A medical instrument including a ductal access device comprising a low profile, ergonomic manifold hub usable to introduce fluids into a breast duct and collect ductal fluid samples including ductal epithelial cells and clumps of ductal epithelial cells from within ... | 10/02/2007 |
| 7241276 | Passive hemostatic sheath valve Vascular introducer sheaths incorporating improved passive valves which can maintain hemostasis around medical instruments. A passive sheath valve for creating a hemostatic seal around a medical instrument including a valve body having an upstream end, a downstream ... | 07/10/2007 |
| 7214185 | Surgical access device A surgical device for use in minimally invasive surgery in which body cavity is accessed by a surgeon though an access port defined by the device, the device including a body cavity engagement feature for insertion into the incision to locate the device in position,... | 05/08/2007 |
| 7169130 | Universal seal for use with endoscopic cannula A universal seal is shown with orbital movement of a center opening for use in endoscopic surgery A two part seal housing encloses the universal seal in an annulus surrounding an insertion port. The outer periphery of the universal seal is clamped between the two pa... | 01/30/2007 |
| 7163525 | Duckbill seal protector A seal for use in conjunction with a trocar assembly includes a seal body adapted for selectively opening and closing the seal, and a protector adjacent the seal body for protecting the seal body from instruments passing through the seal body. The protector includes... | 01/16/2007 |
| 7128348 | Female connector A female connector including: a cylindrical core member having a luer taper on a distal inner surface thereof and a tube bonding portion formed on a proximal end inner surface and being formed with a flange at a distal extremity thereof; a cylindrical housing having... | 10/31/2006 |
