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| Number | Title | Issue Date |
| 4808163 | Percutaneous venous cannula for cardiopulmonary bypass A cardiovascular catheter for use particularly in situations requiring varying forms of cardiopulmonary bypass. The catheter which can be introduced percutaneously has an expandable section in proximity to drainage inlets. In one form of the invention the... | 02/28/1989 |
| 4805634 | Adapter assembly for use with a cranial biosensor Disclosed is an adapter assembly for accurately positioning a removable biosensor implanted in the cranium or skull cap. The assembly comprises an outer sleeve member insertable into a hole bored through the skull cap and an inner sleeve member coaxial wi... | 02/21/1989 |
| 4773400 | Expandable urethral bougies A mechanically-expandable instrument for treating diseases in the urethra and the neck of the urinary bladder, comprising a driver having two elements which, upon selective activation thereof, will reciprocate in two mutually opposite directions; a probe ... | 09/27/1988 |
| 4716901 | Surgical appliance for forming an opening through the skin The invention relates to a surgical appliance for forming an opening through the skin of a patient and for distending the opening so formed. The appliance takes the form of a trocar which may comprise two separate components or two component portions form... | 01/05/1988 |
| 4705041 | Dilator for Sphincter of Oddi Apparatus and process for dilating the Sphincter of Oddi comprising a flexible cylindrical catheter with an expandible tip to allow verification of its location by outside palpitation and a plurality of hollow flexible dilators which are slidingly inserte... | 11/10/1987 |
| 4705029 | Expandable urethral bougies A mechanically-expandable instrument (bougie), especially useful for treating diseases in the urethra and the neck of the urinary bladder, comprises an adjustable-speed driving unit (20) and a probe (22) composed of two rods (64) and (66) pivotally connec... | 11/10/1987 |
| 4693250 | Method for dilating puncture site in the renal pelvis A renal tissue puncture site dilator with grooves in the jaws to receive a wire guide. The renal tissue dilator is a scissor-like surgical instrument, similar to a clamp, with jaws that have a triangular cross section to aid in tearing of tissue. The groo... | 09/15/1987 |
| 4669464 | Surgical instrument for transjugular venous thromboectomy A surgical instrument for use in transjugular venous thromboectomy, comprising a shorter tube and a longer tube in a parallel, back-to-back relationship, each of the tubes having two ends, a first end of said longer tube having a widening provided with a ... | 06/02/1987 |
| 4655771 | Prosthesis comprising an expansible or contractile tubular body A prosthesis for transluminal implantation comprising a flexible tubular body which has a diameter that is variable by axial movement of the ends of the body relative to each other and which is composed of several individual rigid but flexible thread elem... | 04/07/1987 |
| 4654028 | Incision opening expansion holder for inosculation An incision opening expansion holder for use surgical operation, especially for inosculation comprising an outer tube being capable of inserting into the lumen of a vein graft, an inner tube slidably inserting into the outer tube and a grip being fixed to... | 03/31/1987 |
| 4650466 | Angioplasty device An angioplasty device is disclosed comprising a woven tube of metal or plastic fibers and a retraction stylet that are attached at one end to a catheter tube for insertion into a vein, artery and the like for the removal of plaque and similar material. On... | 03/17/1987 |
| 4648383 | Peroral apparatus for morbid obesity treatment Apparatus for peroral treatment of morbid obesity includes a collapsible intra-gastric appliance which can be temporarily deformed to pass through the esophagus and cardiac opening of the stomach and to autogenously assume a normal shape after it is recei... | 03/10/1987 |
| 4648402 | Blood vessel dilating surgical instrument A surgical instrument for dilating blood vessels comprises: a front multilinkage mechanism; an intermediate hollow cable-wire structure combination; and a rear manually operated control mechanism. The rear manually operated control mechanism further compr... | 03/10/1987 |
| 4643184 | Embolus trap The device comprises a plurality of elongated filamentary loops extending outwardly from a central column in one or more tiers, the filaments having hooks backed by offset barriers at their free ends. The column is preferably hollow. The device is inserte... | 02/17/1987 |
| 4634423 | Ophthalmological method and instrument for implantation of posterior chamber intraocular lens An ophthalmological instrument for facilitating controlled insertion of an intraocular lens having resilient, open-loops into the posterior chamber of an eye includes a holder dimensioned for being held by a surgeon from which extends a loop-receiving mem... | 01/06/1987 |
| 4580568 | Percutaneous endovascular stent and method for insertion thereof An endovascular stent formed of stainless steel wire of 0.018 inches diameter and arranged in a closed zig-zag pattern. The stent is compressed into a reduced size shape of an outer diameter which is many times smaller than its expanded shape. The stent i... | 04/08/1986 |
| 4577631 | Aneurysm repair apparatus and method A method and apparatus for repairing inside the body a damaged section of a blood vessel, including an occlusion catheter which is inserted into the vessel at an incision site remote from the damaged section. An umbrella-like stopper at the proximal end o... | 03/25/1986 |
| 4576168 | Nasal dilator A nasal dilator compatible with conventional illuminating devices whereby the nasal passage may be symmetrically dilated allowing for even illumination for inspection of the nasal cavity or the insertion of a specimen collection probe. Two symmetrical lev... | 03/18/1986 |
| 4553545 | Device for application in blood vessels or other difficultly accessible locations and its use Device comprising a helically shaped spiral spring and means for bringing the spring to expand from a first state of a certain diameter to a second state of larger diameter and vice versa, characterized thereby that said means are arranged to rotate the e... | 11/19/1985 |
| 4520797 | Collateral ligament retractor A collateral ligament retractor includes a first member having a cupped arcuate finger member for insertion into the knee joint, along and partly around the tibal plateau and a curved portion extending from the finger outward around the ligament extending... | 06/04/1985 |
| 4320762 | Dilator A dilator comprising a housing and an elongated, slotted probe or core biased and slideable relative to the housing. The core carries expandable leaves or ribs, each having wedges disposed therealong. The wedges engage slots of the core and when the core ... | 03/23/1982 |
| 4257406 | Iris retractor and pupil dilator An instrument for use in ophthalmic surgery to retract the iris and provide optimal dilation of the pupil in a facile, atraumatic, and thoroughly controllable fashion. The instrument includes a pair of curved retracting tips adapted to engage the iris gen... | 03/24/1981 |
| 4168709 | Dilator A dilator comprising a housing and an elongated, slotted probe or core biased and slideable relative to the housing. The core carries expandable leaves or ribs, each having wedges disposed therealong. The wedges engage slots of the core and when the core ... | 09/25/1979 |
| 4043346 | Catheter A catheter is disclosed which is simple to use, avoids the problems with prior catheters, which is fail-safe and fool-proof and one by which the patient cannot injure himself. The catheter comprises a flexible inner tubular member forming a flow duct, snu... | 08/23/1977 |
| 3996938 | Expanding mesh catheter The diameter of a normally cylindrical mesh on the distal end of a flexible catheter is increased by a manually operated plunger so as to remove a clot from the vessel as the catheter is withdrawn.... | 12/14/1976 |
| 3968800 | Device for insertion into a body opening An essentially hollow device for use in a body opening without limitation to but as an endotracheal tube, a bronchoscope, a vascular or cervical dilator and the like wherein the same has an outer surface that is operable to expand into engagement with the... | 07/13/1976 |
