...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 8187230 | Indwelling needle assembly and method of using the same An indwelling needle assembly, including an inner needle having a sharp needle point at a distal end thereof; an inner needle hub which is fixed to a proximal portion of the inner needle and which has a proximal end face; a hollow outer needle into which the inner n... | 05/29/2012 |
| 8177752 | Medical tube set A medical tube set includes a tube and a stylet that improves the insertability of tube. The stylet structure comprises an inner core that can be inserted into the tube, an apical tip that is affixed to the apical end of inner core, and a movable expansion member th... | 05/15/2012 |
| 8172801 | Method for positioning a catheter guide element in a patient and kit for use in said method A method for positioning a guide element in a patient and a kit for use in the method. In one embodiment, the method involves transorally inserting an endoscope into a patient's stomach. An incision site is externally indicated by transilluminating the stomach and a... | 05/08/2012 |
| 8167841 | Transcutaneous device assembly A medical device is provided comprising a cannula having a distal portion adapted to be arranged through the skin of the subject, and an outer needle arranged coaxially with and being axially moveable relative to the cannula, the needle comprising a pointed distal e... | 05/01/2012 |
| 8167842 | Introducer apparatus with cutting edges An introducer apparatus with a plurality of cutting edges along the outer surface of the distal end of an introducer with a blunt distal end is disclosed. The introducer may be adapted to extend from and be withdrawn into the sheath. The cutting edges may resect tis... | 05/01/2012 |
| 8162890 | Catheter insertion apparatus and method of use thereof The invention relates to a catheter insertion system utilizing a catheter introducer device having an introducer sheath, the catheter insertion system comprise a catheter containment unit in which a catheter tube having a catheter hub is held, said catheter containm... | 04/24/2012 |
| 8152769 | Infusion hub assembly and fluid line disconnect system An infusion set comprising a base and a cap. The base can comprise a portion to be placed against skin, a first cannula extending downwardly below the portion to be placed against skin, and a septum. The cap can comprise a tube and a second cannula. The cap can be c... | 04/10/2012 |
| 8137316 | Sheathless insertion stylet system for catheter placement A stylet instrument is positionable within a catheter to facilitate placement of the catheter during a surgical procedure. The stylet instrument has application in a hemodialysis procedure where the catheter is positioned via a subcutaneous tunneling technique. The ... | 03/20/2012 |
| 8114053 | Port fixation with interlocking structure The present disclosure relates to a surgical access system that includes a cannula assembly adapted for removable positioning within a percutaneous tissue tract, and an obturator assembly removably positionable within the cannula assembly. The cannula assembly inclu... | 02/14/2012 |
| 8105285 | Surgical access apparatus and method A laparoscopic insufflation device is provided in the configuration of a coil with a blunt tip. The device is capable of passing through the abdominal wall without cutting tissue, and exiting the abdominal wall substantially parallel to the inner surface. While rota... | 01/31/2012 |
| 8100859 | Bent obturator A catheter-insertion assembly includes a catheter with a proximal end and a distal end, a needle with a proximal end and a beveled distal end forming a sharp distal point, and an obturator with a proximal end and a distal end. The distal end of the obturator include... | 01/24/2012 |
| 8092429 | Needle assembly for use in delivering precise dosages of proteinaceous pharmaceutical compositions and methods for use of same The needle assembly of the invention is a quad-partite system for use with an arc-center stereotactic headframe that allows a clinician to deliver recombinant expression vectors through the needle assembly to targeted sites at exact depths in the brain. Methods for ... | 01/10/2012 |
| 8083720 | Device and method for delivering therapeutic agents to an area of the body A device, system and method deliver an agent to a soft mass, such as an area of the body, and more specifically the brain. One aspect includes creation of one or more channels, tunnels or grooves in tissue using a relatively small diameter, minimally-invasive stylet... | 12/27/2011 |
| 8070728 | Cannula assembly with detachable inner and outer cannulas A cannula assembly for injecting implant material into a bone, including an inner cannula defining a central conduit including a first proximal port in communication with the central conduit, an outer cannula surrounding the inner cannula to define a peripheral cond... | 12/06/2011 |
| 8062259 | Cannulated sensing device A cannulated sensing device is disclosed and can include a housing that can have a proximal end and a distal end. A cannula can extend from the proximal end of the housing to the distal end of the housing. Further, a sensor can be attached to the distal end of the h... | 11/22/2011 |
| 8057438 | Surgical system having a magnetic entry A surgical portal apparatus for receiving medical instrumentation includes a portal member adapted for passage through tissue for providing access to an underlying tissue site, and having a longitudinal opening extending therethrough. The portal member has a magneti... | 11/15/2011 |
| 8048030 | Hollow curved superelastic medical needle and method A needle assembly 10 compromising an infusion needle 11 that includes a needle cannula 13 made of a superelastic material such as Nitinol. The needle cannula is cold-worked or heat annealed to produce a preformed bend 16 that can be strai... | 11/01/2011 |
| 8029471 | Circulatory system access preservation system An access device is disclosed that comprises two main assemblies. The first assembly is the cylindrical cannulation assembly. This is the needle-point-bearing assembly which facilitates cannulation (i.e., insertion of the assembly into the arm of the patient). The c... | 10/04/2011 |
| 8029472 | Safety catheter system and method A catheter integral with a valved needle-free connector provides a safety catheter device configured to receive a blunt cannula and sharp needle forming an insertion mechanism. The sharp needle is mounted within a needle tube and a control handle is used to slide th... | 10/04/2011 |
| 8029470 | Transmembrane access systems and methods Systems and methods for penetrating a tissue membrane to gain access to a target site are disclosed. In some examples, systems and methods for accessing the left atrium from the right atrium of a patient's heart are carried out by puncturing the intra-atrial septal ... | 10/04/2011 |
| 8007470 | Minimally invasive medical device and method for delivery of therapeutic or diagnostic agents into a vessel wall The invention relates to minimally invasive device for delivering therapeutic or diagnostic agents into a vessel wall. The device includes an introducer tube, a tubular member having a proximal end, a distal end, and a first lumen extending therebetween, the tubular... | 08/30/2011 |
| 7988669 | Port fixation with filament actuating member The present disclosure relates to surgical access apparatus for positioning within a percutaneous tissue tract to facilitate access to an underlying surgical worksite. In one embodiment, the disclosed surgical access includes a housing with proximal and distal ends ... | 08/02/2011 |
| 7985204 | Reagent injection device A needle-like tubular body (12) with its tip formed as a needle, a first guide wire (14), and a second guide wire (16) are inserted into a main tube (10). A first opening and a second opening (28 and 36) through which a firs... | 07/26/2011 |
| 7976501 | Trocar seal with reduced contact area Seal assemblies or valves, generally for use in trocar assemblies, are provided for reducing the amount of contact between an instrument being passed into and out of a trocar assembly and an inner surface of a sealing wall of such seal assemblies or valves. In one e... | 07/12/2011 |
| 7976502 | Catheter introducer The invention relates to a catheter introducer comprising: a tube-like introducer sheath; an introducer hub having a distal section and a proximal section, wherein the distal section is joined to the proximal end of the introducer sheath and the proximal section def... | 07/12/2011 |
| 7972308 | Intracranial catheter assembly for precise treatment of brain tissue A catheter assembly for intracranial treatment of a patient is disclosed. The assembly comprises outer and inner catheters. The outer catheter has an exterior surface, an inflatable balloon mounted upon the exterior surface, at least one element distal to the balloo... | 07/05/2011 |
| 7972309 | Needle assembly A blood collection set including a non-patient needle assembly interconnected with an intravenous needle assembly through tubing is provided. The non-patient needle assembly includes a hub assembly adapted for mounting with a blood collection set, and an internal bl... | 07/05/2011 |
| 7972307 | Valved introducer assembly and method therefor An introducer assembly includes a sheath having a sheath proximal end and distal end, and a passage therethrough. The introducer assembly further includes a valve assembly that is sealingly associated with the passage of the sheath. The valve assembly includes a val... | 07/05/2011 |
| 7967786 | Access needle well-suited for percutaneous implantation in a body lumen An access needle well-suited for percutaneous implantation in a body lumen, such as the stomach or the jejunum. In one embodiment, the access needle comprises a cannula, a needle, a retractable stopper and a spreader. The cannula is a tubular member having a lumen a... | 06/28/2011 |
| 7959610 | Apparatus and method for the insertion of a medical device An apparatus and method for insertion of medical devices is disclosed. One embodiment includes an access tube with a retention portion disposed at a distal end. The retention portion is reconfigurable between first and second configurations of reduced and increased ... | 06/14/2011 |
| 7955305 | Needle inserter and method for infusion device An infusion media delivery device includes a housing having a base adapted to be secured to a user's skin. An infusion media reservoir is supported by the housing. A moveable hollow needle is selectively engageable with the reservoir to communicate infusion media fr... | 06/07/2011 |
| 7951115 | Safety dialysis needle/catheter system and method of use The present invention provides a safety needle/catheter system and method of use for dialysis procedures. The invention includes a safety feature that prevents inadvertent needle sticks by administrators. The invention further includes a catheter portion composed of... | 05/31/2011 |
| 7927308 | Puncture device A puncture device that reliably acts on the target body site is proposed. The puncture device includes a luminal puncture body 2 having a projection opening 2a on the side surface; a tube 3, accommodated in the puncture body 2, hav... | 04/19/2011 |
| 7914491 | Constricting mechanism for use with a surgical access assembly The present disclosure relates to a surgical access member for establishing percutaneous access to a surgical worksite within tissue. The surgical access member includes a constricting mechanism that is adapted to removably receive a surgical instrument and resilien... | 03/29/2011 |
| 7905863 | Device and method for treatment or evacuation of intervertebral disc A method of positioning an arcuate catheter against an inner annular wall of the disc, and particularly on the posterior and postero-lateral portions of the inner annulus of the disc, by arthroscopy is presented. The arcuate catheter retains its predetermined arcuat... | 03/15/2011 |
| 7905862 | Method and system for drug delivery A medical device and procedure for delivering a drug into a uterus are described. In one implementation, the medical device includes a first elongate member, a second elongate member and a stopper device. The first elongate member is configured for transcervical ins... | 03/15/2011 |
| 7896844 | Insertion head with a handle An insertion head for medical or pharmaceutical applications includes a base having a lower side which can be positioned on organic tissue; an insertion means movably mounted by the base and insertable into the tissue; where the insertion means is movable relative t... | 03/01/2011 |
| 7857788 | Neural injection system and related methods A novel neural injection system and related methods are herein disclosed. Various embodiments of an embodiment of a neural injection system of the present invention provide for at least one benefit of enhanced injection characteristics, increased operational efficie... | 12/28/2010 |
| 7850651 | Bone marrow aspiration needle An aspiration assembly including an outer cannulated needle having a tip, a threaded collar, and an inner aspiration needle. The threaded collar is mounted to an end of the outer cannulated needle opposite to the tip. The inner aspiration needle has a tip at a first... | 12/14/2010 |
| 7846132 | Cannula insertion device and related methods A cannula insertion device includes a housing defining an opening for receiving therethrough a cannula and further defining a channel, and a cannula forming a lumen, the cannula adapted for sliding movement within the housing from a retracted position to an extended... | 12/07/2010 |