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| Number | Title | Issue Date |
| 5040543 | Movable core guidewire A movable core guidewire for use in guiding a catheter to an internal body location includes an elongate, flexible helical coil having a lumen extending longitudinally therethrough for receiving a movable core wire. The movable core wire has a flexible po... | 08/20/1991 |
| 5030204 | Guiding catheter with controllable distal tip Guiding catheter and method of using the same in a cardiovascular procedure such as coronary angioplasty. The catheter has an elongated shaft with a deflectable distal portion. One lumen extends through the elongated shaft to form a passageway through whi... | 07/09/1991 |
| 5025799 | Steerable memory alloy guide wires A medical guide wire or the like that is comprised in part or entirely of one or more heat activated memory alloys alone or in conjunction with one or more non-heat activated memory materials. The tip or any portion of a guide wire comprised of memory alloy or... | 06/25/1991 |
| 5007434 | Catheter tip attitude controlling guide wire A guide wire for controlling the attitude of the tip of a catheter in a vascular system. The guide wire has an elongated shaft with a portion near the distal end having one or more of a series of bends along the length of the intermediate portion of the s... | 04/16/1991 |
| 4998919 | Thrombectomy apparatus A method and apparatus for thrombectomy with partial dissolving by streptokinase or the like, wherein a catheter set with a sheath having two open lumens extending in parallel over most of the length of the sheath. The lumen are distal-parallel to one ano... | 03/12/1991 |
| 4995878 | Method for descending venography A method and the apparatus for retrograde catheterization of the venous tree of the lower extremity by introducing the catheter percutaneously through one of superficial veins of the upper extremity (forearm) of the human body and advancing the catheter i... | 02/26/1991 |
| 4991602 | Flexible guide wire with safety tip A guide useful for guiding a catheter within a blood vessel is formed of a single length of shape memory alloy. The guide has a central portion of uniform diameter and substantially identical tapered end portions each terminating in enlarged diameter port... | 02/12/1991 |
| 4988356 | Catheter and guidewire exchange system A catheter and guidewire exchange system in which the guideware is contained within a guidewire leumen in the indwelling portion of the catheter and with the guidewire and catheter being separated externally of the patient. The catheter includes a guidewi... | 01/29/1991 |
| 4984581 | Flexible guide having two-way shape memory alloy A medical guide wire for insertion into body channels for accessing specific inner body areas without major surgery. The guide wire comprises an elongated, flexible guide having a core of a shape memory alloy, the guide utilizing the two-way memory proper... | 01/15/1991 |
| 4977901 | Article having non-crosslinked crystallized polymer coatings A non-crosslinked crystallized polymer or polymer blending coating is disclosed for articles that come into contact with bodily fluids. The polymer or polymer blend to be used is crystallizable and is stable in the presence of water at temperatures of up ... | 12/18/1990 |
| 4973329 | Assembly of wire inserter and lock for a medical wire An assembly of a wire inserter and lock is provided. The assembly includes a body portion with a bore inlet and outlet aligned with a locking area and an elongate outlet to align the wire as it passes therethrough. A spring loaded locking button is mounted wit... | 11/27/1990 |
| 4971490 | Flexible guide wire with improved mounting arrangement for coil spring tip A flexible guide wire for use in the placement of a surgical instrument or the like within a human or animal body includes an elongated shaft with a coil spring mounted on its distal end, the shaft being tapered at its distal end to enhance its flexibilit... | 11/20/1990 |
| 4964409 | Flexible hollow guiding member with means for fluid communication therethrough A guiding member for use as an independent guidewire or as an integral part of a low-profile steerable dilatation catheter. The guiding member has an elongated main hollow tubular member, a tubular extension preferably made of polyimide secured to the dis... | 10/23/1990 |
| 4963128 | Chest tube and catheter grid for intrathoracic afterload radiotherapy An apparatus and method for intraoperative internal placement of an afterloading catheter tube grid for post-operative radiotherapy using a semi-rigid tube having inserted within a plurality of catheters which extends outwardly from the distal end of the ... | 10/16/1990 |
| 4961433 | Guide wire assembly with electrical functions and male and female connectors for use therewith A guide wire assembly comprising a guide wire with first and second conductors which extend along the length thereof. The guide wire also comprises a flexible cable having first and second conductors which extend along the length thereof. A connector asse... | 10/09/1990 |
| 4960411 | Low profile sterrable soft-tip catheter This invention relates to steerable catheters. More particularly, this invention relates to a steerable catheter comprising a flexible catheter member having distal and proximal ends and one or more lumens, the single lumen or one of the lumens being clos... | 10/02/1990 |
| 4958642 | Guide wire assembly with electrical functions and male and female connectors for use therewith A guide wire assembly comprising a flexible guide wire having a diameter of 0.018 inches or less and having a connector assembly. The connector assembly includes male and female connectors. The male connector includes a conductive coil spring and a core w... | 09/25/1990 |
| 4955384 | Guiding member for vascular catheters with a flexible link distal section A guidewire or guiding element for vascular catheters, particularly balloon dilatation catheters having an elongated core member with a tapered distal portion with a flexible length of interfitting links on the tapered distal portion. The individual links... | 09/11/1990 |
| 4955858 | Ureter drain catheter releasably clamped to an advancing tube A ureter drain catheter is detachably connected to an extension advancing tube by insertion of a cross sectionally reduced neck at the end of the advancing tube into the proximal end of the ureter drain catheter and is clamped by a mandrin extending throu... | 09/11/1990 |
| 4953553 | Pressure monitoring guidewire with a flexible distal portion A pressure monitoring guidewire and method of using the same for a coronary procedure such as angioplasty, angiography, or valvuloplasty. The guidewire has a main tubular member and a more flexible tubular extension with one or more pressure monitoring po... | 09/04/1990 |
| 4947864 | Guidewire exchange catheter A catheter for facilitating the exchange of guidewires during the course of a transluminal angioplasty or related procedure which comprises an elongated, flexible, tubular member having at least one lumen running the full length thereof from its proximal ... | 08/14/1990 |
| 4944727 | Variable shape guide apparatus A maneuverable distal apparatus includes a temperature-activated memory element moving in a first direction to assume a predetermined shape when heated to a predetermined temperature and control means for selectively heating the memory element so that the... | 07/31/1990 |
| 4941473 | Guide for mechanical guiding of a catheter in connection with cardio and vascular examination A guidewire for guiding a catheter is provided including a pressure sensor at the distal end of the guidewire and a ventilation passage for connecting the pressure sensor to ambient pressure.... | 07/17/1990 |
| 4940062 | Guiding member with deflectable tip The invention is directed to a guiding member for vascular catheters, particularly dilatation catheters for angioplasty procedures having a deflectable tip. The guiding member generally includes an elongated core wire having a tapered distal portion, a co... | 07/10/1990 |
| 4936312 | Body cavity inserting instrument A body cavity inserting instrument for use in an instrument for medical treatment comprises a flexible tubular member, a bending member made of an elastic material and an operating wire, said bending member having its front end fixed to the front end of s... | 06/26/1990 |
| 4934380 | Medical guidewire A medical guidewire has an elongated body that has a degree of flexibility and a distal tip region of relatively greater flexibility. The guidewire consists of a core having a body of first diameter, a distal portion of a relatively smaller diameter, and ... | 06/19/1990 |
| 4932413 | Guidewire exchange catheter A catheter for facilitating the exchange of guidewires during the course of a transluminal angioplasty or related procedure which comprises an elongated, flexible, tubular member having at least one lumen running the full length thereof from its proximal ... | 06/12/1990 |
| 4932419 | Multi-filar, cross-wound coil for medical devices A flexible catheter-like guidewire has a multi-filar, cross-wound coil body terminating in a distal ball tip element. The body has a first inner coil of multiple coil wires wound in a first helical direction and a second outer coil of multiple coil wires ... | 06/12/1990 |
| 4930494 | Apparatus for bending an insertion section of an endoscope using a shape memory alloy The distal end of an insertion section of an endoscope is divided into a plurality of segments each including a pair of SMA coils which are arranged symmetrically with respect to an axis and memorize a close-winding shape. As the SMA coils recovers their ... | 06/05/1990 |
| 4928693 | Pressure monitor catheter A blood pressure monitoring catheter for use in a Monorail™ intravascular system for measuring the pressure gradient across a stenotic lesion. It comprises an elongated, flexible, plastic, extruded, tubular member having a guidewire port extending throu... | 05/29/1990 |
| 4922923 | Method for effecting a catheter exchange A guide wire system for use in catheter exchanges avoids the need for a separate exchange wire. Instead of the conventional practice in which the initial guide wire is removed and replaced with a longer exchange wire, a guide wire extension is attached to... | 05/08/1990 |
| 4922924 | Catheter guidewire with varying radiopacity A guidewire for use with a catheter has segments of varying radiopacity. The guidewire includes a coil assembly at its distal end, the coil assembly being formed from a highly radiopaque coil and a non-radiopaque coil, arranged in bifilar arrangement to d... | 05/08/1990 |
| 4917102 | Guidewire assembly with steerable adjustable tip A guidewire assembly particularly suitable for valvuloplasty procedures have an outer tubular member a first shapable core member fixed within the outer member and a second stiffer core member which is axially movable within the out tubular member. The fi... | 04/17/1990 |
| 4917094 | Guidewire advancement system A guidewire advancement system for inserting catheter guidewires into blood vessels, and more particularly a guidewire dispensing system for the controlled sterile insertion of a coiled spring guidewire to avoid infection of the patient. The system provid... | 04/17/1990 |
| 4917103 | Guide wire extension A guide wire system for use in catheter exchanges avoids the need for a separate exchange wire. Instead of the conventional practice in which the initial guide wire is removed and replaced with a longer exchange wire, a guide wire extension is attached to... | 04/17/1990 |
| 4907332 | Device for connecting extendable guidewire sections for cardiovascular procedures A device to facilitate the joining of a male proximal end of a guidewire to the female end of an extension wire. The device has a relatively flat body with a guiding groove in the upper surface with two aligned sections, the goove sections tapering inward... | 03/13/1990 |
| 4895168 | Guidewire with movable core and external tubular safety cover A movable core guidewire assembly comprising a wire wound cylindrical casing having a distal closed end and a proximal open end, a resilient movable core wire extending inside the cylindrical casing between its proximal and distal ends, and a plastic safe... | 01/23/1990 |
| 4886500 | External guide wire A guide wire for insertion into a patient has a tapered distal end and is positioned around the exterior of a trocar for positioning within a patient. The wire has a separation section and two portions. A kit includes the wire and a cannula for emplacemen... | 12/12/1989 |
| 4886067 | Steerable guidewire with soft adjustable tip A steerable guidewire for guiding a catheter includes an elongate hollow shaft having a distal core wire mounted at its distal end. The distal core wire tapers in a distal direction and has a flexible distral tip. The core wire is received within a helica... | 12/12/1989 |
| 4884579 | Catheter guide wire A catheter guide wire designed for use in guiding a catheter to a target site along a tortuous vessel path. The guide wire has a relatively long, torqueable proximal wire section, a more flexible intermediate section, and a most flexible distal end sectio... | 12/05/1989 |
