...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 8167843 | Trocar with retention cannula A trocar comprises a retention cannula comprising an inverted or incised retention pattern disposed thereon. Embodiments of the incised cannula exhibit reduced tissue trauma compared with screw-threaded cannula, improved fixation and/or retention compared with an un... | 05/01/2012 |
| 8147454 | Gastrostomy tube extension device A gastrostomy tube extension device used for inserting or taking out the gastrostomy tube into/from the hole on the patient includes a rod, a fixing member, and an engaging member. The rod is formed of a rod-shaped member, and may be formed with engaging stepped por... | 04/03/2012 |
| 8147453 | Balloon trocar A balloon trocar includes a cannula assembly including a cannula and an outer sleeve fitting over the cannula. The distal end of the outer sleeve is proximal to the distal end of the cannula. A balloon is coupled to a distal portion of the sleeve and a distal portio... | 04/03/2012 |
| 8118783 | Access assembly with spherical valve A surgical portal apparatus includes a portal member dimensioned to access tissue and having a longitudinal passageway therethrough to permit access to underlying tissue, and defining leading and trailing ends, a seal housing associated with the portal member and a ... | 02/21/2012 |
| 7967787 | Gastrostomy tube extension device A gastrostomy tube extension device which can facilitate insertion or removal of a gastrostomy tube by making the degree of extension of the gastrostomy tube constant. A gastrostomy tube extension device used for inserting and taking out a gastrostomy tube into/from... | 06/28/2011 |
| 7967788 | Catheter with variable attachment means The invention relates to a design for securing tubes, catheters, drains, or other tubular medical devices within the body of a mammal, for example a human, and methods of securing same. The invention includes a first tubular body and at least one second tubular body... | 06/28/2011 |
| 7942854 | Agent delivery catheter including an anchor and injection needle An agent delivery catheter that uses an anchoring needle and injection needle for treating tissue, such as infarcted heart tissue, includes a first needle, a second needle extendable through the first needle and a control unit for displacing and adjusting the positi... | 05/17/2011 |
| 7867199 | Inserter The invention relates to an inserter for an infusion set for intermittent or continuous administration of a therapeutical substance such as e.g. insulin. The inserter comprises a needle unit comprising a needle hub and a carrier body, and a cannula housing. The cann... | 01/11/2011 |
| 7857789 | Port fixation using expandable threads The present disclosure describes a surgical access apparatus including an access member with a longitudinal opening defining an internal dimension suitable for removable receipt of a surgical instrument. The access member has a thread mounted thereon that is movable... | 12/28/2010 |
| 7824377 | Tissue anchoring catheter systems and methods Catheter systems and methods are disclosed for anchoring the catheter system to tissue, e.g., for delivery of biologic or chemical agents, or other therapeutic fluid during various procedures. An exemplary tissue anchoring catheter comprises an outer catheter shaft ... | 11/02/2010 |
| 7806870 | Elastically deformable surgical access device having telescoping guide tube A surgical access device is disclosed that includes an access port having an elongated body with opposed proximal and distal end portions and defining a longitudinal axis, the body having a central lumen extending there through and having a resilient bulb portion fo... | 10/05/2010 |
| 7798998 | Elastically deformable surgical access device A surgical access device is provided having a surgical access port. The surgical access port has an elongated body with opposed proximal and distal end portions, and defines a longitudinal axis. The body has a central lumen extending therethrough and includes a resi... | 09/21/2010 |
| 7611492 | Puncture device A puncture device which can stick a puncture needle certainly to a predetermined region of a skin includes a puncture needle having a curvature portion, a retaining member retaining the puncture needle, an indwelling device adapted to be indwelled in a living body b... | 11/03/2009 |
| 7326197 | Method and apparatus for chest drainage The present invention describes a device for placement in the thoracic cavity of a patient. The device is a cannula, tube or catheter for chest drainage. The device serves as a conduit for drainage of excessive fluid or air buildup in the chest to a receptacle outsi... | 02/05/2008 |
| 7229433 | Apparatus for treating pneumothorax and/or hemothorax An apparatus for treating pneumothorax and/or hemothorax that does not require the assembly of parts and can be used by medical personnel with minimal experience and training in treating these conditions. The apparatus comprises a trocar obturator unit comprising a ... | 06/12/2007 |
| 7195017 | Collateral ventilation bypass trap system A long term oxygen therapy system having an oxygen supply directly linked with a patients lung or lungs may be utilized to more efficiently treat hypoxia caused by chronic obstructive pulmonary disease such as emphysema and chronic bronchitis. The system includes an... | 03/27/2007 |
| 7186238 | 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... | 03/06/2007 |
| 7172551 | Cyclical pressure coronary assist pump An intravascular pump, which may be a left ventricle assist device, comprising a wall defining a pumping chamber, the wall support by struts, the struts attached to or part of an actuation system to move the wall from an expanded position to a contracted position an... | 02/06/2007 |
| 7172577 | Guidewire locking device and method A locking device (21) is provided that is fixedly mounted to a catheter (34) and used to frictionally secure a guidewire (36) to the catheter (34) so that the guidewire (36) and catheter (34) may be advanced together. In one... | 02/06/2007 |
| 7144386 | Catheter introducer having an expandable tip A catheter includes a body having an outer surface defining a lumen and an expandable tip on a distal end thereof. The tip includes an opening axially extending therethrough. Upon insertion of a device having a larger outer diameter than the inner diameter of the ex... | 12/05/2006 |
| 7115114 | Medical device having releasable retainer A medical device having a releasable retaining includes needle cannula connected to a hub having an open proximal end with a frusto-conically shaped cavity therein. The cavity is part of a passageway through the hub which is in fluid communication with the lumen of ... | 10/03/2006 |
| 7070586 | Surgical access apparatus and method A trocar system for providing access across a body wall includes a trocar and an anchor provided in the form of a first helix. The anchor is adapted for placement in an operative position wherein the anchor extends at least partially through the body wall. A second ... | 07/04/2006 |
| 7048718 | Winged injection needle having needle covering means A winged injection needle having a needle covering means used at treatments for infusion solution, blood transfusion and extracorporeal blood circulation, characterized by comprising a puncturing needle tube (206), a hub (208) for holding the base end ... | 05/23/2006 |
| 7011647 | Introducer sheath A variety of devices for use in accessing the subarachnoid space are described. In several embodiments an introducer sheath is disclosed having three main sections, a distal portion, an intermediate portion, and a proximal portion. The distal portion and intermediat... | 03/14/2006 |
| 6997907 | Insertion device for an insertion set and method of using the same An insertion set for insertion through the skin of a patient includes at least one piercing member adapted to be secured to an insertion device and a set housing to be removable from the insertion device while maintaining installation of the insertion set. At least ... | 02/14/2006 |
| 6989003 | Obturator and cannula for a trocar adapted for ease of insertion and removal A surgical trocar device having an obturator and cannula that requires less force to insert and remove from tissue. The cannula includes a head assembly and the obturator includes a cap assembly that have cooperating surfaces that bear against each other so that whe... | 01/24/2006 |
| 6936026 | Micro perfusion device A micro perfusion device and method for obtaining at least one constituent of a body fluid. The at least one constituent is obtained using a subcutaneously-positioned perfusion catheter into which perfusate is introduced by a supply channel and an injection needle. ... | 08/30/2005 |
| 6929621 | Drainage catheter with bifurcating tip The present invention relates to a catheter that includes an elongate body having distal and proximal ends, the elongate body having at least one lumen therethrough, a distal portion of the elongate body having a perimeter. First and second retention members of the ... | 08/16/2005 |
| 6918902 | Irrigation and suction valve and method therefor The in-line hand operated valve controls the flow of at least the irrigation fluid or suction to a surgical site. First and second sources provide fluid and suction to the valve. Valve body source ports communicate with the source lines and a delivery port communica... | 07/19/2005 |
| 6916310 | Percutaneous access device A percutaneous access device is provided including a sleeve having an inner lumen extending therethrough that is adapted to slidably receive a catheter, and at least one flange disposed around the sleeve and adapted to be positioned adjacent a tissue surface. In a p... | 07/12/2005 |
| 6908454 | Anchoring assembly for a medical instrument An anchor assembly for retaining a cannula or other medical instrument within a body cavity and including an inflatable member selectively disposed between an expanded position and a collapsed position. A mounting assembly is cooperatively disposed and structured wi... | 06/21/2005 |
| 6905481 | Percutaneous catheter assembly The present invention is a percutaneous catheter assembly intended for long-term blood flow of several days, said assembly comprising generally three components: a catheter housing having three sections, each of preferably differing diameter, with a set of perforati... | 06/14/2005 |
| 6872198 | Double-y-shaped multi-lumen catheter with selectively attachable hubs A multi-lumen catheter and method for inserting same in a patient is disclosed. The catheter includes an elongated, central, multi-lumen tube portion having a proximal end and a distal end. The central tube portion has a substantially cylindrical outer shape and is ... | 03/29/2005 |
| 6808505 | Diagnostic needle arthroscopy and lavage system A system for performing diagnostic needle arthroscopy and lavage through a single port of entry into the joint compartment. The system is comprised of a handpiece having valves for irrigation and suctioning, a diagnostic cannula attached to the handpiece. The system... | 10/26/2004 |
| 6743207 | Apparatus and method for the insertion of a medical device An apparatus and method for use in the percutaneous insertion of medical devices is disclosed. In an embodiment, the apparatus includes an access tube defining a central lumen and a retention portion disposed at a distal end of the access tube. The retention portion... | 06/01/2004 |
| 6706009 | Micro perfusion device A micro perfusion device and method for obtaining at least one constituent of a body fluid. The at least one constituent is obtained using a subcutaneously-positioned perfusion catheter into which perfusate is introduced by a supply channel and an injection needle. ... | 03/16/2004 |
| 6669708 | Devices, systems and methods for creating sutureless on-demand vascular anastomoses and hollow organ communication channels The present invention provides devices, systems, assemblies, and methods intended for the introduction and sutureless juncture of a prepared communication channel to the interior spatial volume of a blood vessel or a hollow organ within a living subject. ... | 12/30/2003 |
| 6666846 | Medical device introducer and obturator and methods of use An introducer having an elongate tubular member and a device connector releasably attached to a proximal end of the tubular member. The introducer allows exchange of medical instruments, such as a blood filter and cardioplegia catheter, through a single l... | 12/23/2003 |
| 6666844 | Method and apparatus for accessing the pericardial space A pericardiocentesis apparatus and method for accessing the pericardial space. The invention consists of inserting a percutaneous tube whose tip has a hole which is positioned over and contacts the anterior pericardium. Introducing a vacuum within said tu... | 12/23/2003 |
| 6638253 | Method and apparatus for chest drainage The present invention describes a device for placement in the thoracic cavity of a patient. The device is a cannula, tube or catheter for chest drainage. The device serves as a conduit for drainage of excessive fluid or air buildup in the chest to a recep... | 10/28/2003 |