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6066117 |
Cannula flapper valve assembly
A cannula includes a cannula cap connected to a proximal end of the cannula, which cap has cap body having a bore defining an instrument receiving passageway. A monolithic flapper valve is...
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6063099 |
Dilating trocar shield with blade tip
A trocar is formed from a cannula and an interfitting obturator for penetrating body cavity walls in laparoscopic and endoscopic surgery. The obturator is provided with an improved piercing tip...
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6063063 |
Catheter with an open/closing mechanism
The invention relates to a catheter including a tubular part, a closure, a radially projecting part, and an operating handle. The tubular part has a proximal end and a distal end, at least one...
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6059768 |
Coded intravenous tubing
Tubing for use with intravenous delivery of fluids to a patient is provided. The tubing is preferably see-through and includes a tubing wall defining an exterior surface and an interior surface....
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6059759 |
Infusion catheter systems with tactile sensing feedback
A catheter system including an infusion catheter interacting with an occluding wire. The infusion catheter has an interior surface defining a lumen longitudinally extending between a proximal end...
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6059769 |
Medical catheter with grooved soft distal segment
An intravascular medical catheter and method of manufacturing a medical catheter are provided herein. The medical catheter includes a catheter shaft having an inner liner, a reinforcing section and...
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6059766 |
Gynecologic embolotherapy methods
This invention is directed to novel methods for gynecologic embolotherapy. The methods directly access the blood vessels to be embolized transcervically rather than arterially. The methods provide...
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6059751 |
Dilatation catheter balloons with improved puncture resistance
Multi-layer puncture-resistant biaxially oriented coextruded films or tubings are disclosed for use in dilatation balloon catheters. The catheter balloons so formed comprise a first, inner layer of...
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6059748 |
Catheters with enhanced exchange capability
An exchange catheter facilitates the replacement of an existing guiding catheter with a larger guiding catheter during catheterization procedures such as percutaneous transluminal coronary...
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6059760 |
Cannula having reverse flow tip
A cannula for conducting fluid to a body includes a cannula body having proximal and distal ends and a lumen extending therebetween. The lumen is adapted to receive the fluid flowing therethrough....
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6059484 |
Guide wire introducer assembly with guide wire grip and release means
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6053897 |
Apparatus for maintaining the patency of urine flow through the urethra
An apparatus for maintaining the patency of urine flow through the human urethra, having an intra-urethral catheter (IUC), which has a potential through flow for the urine that extends over its...
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6050980 |
Thromboresistant plastic article and method of manufacture
Antithrombotic agents having reactional functional groups are reacted with a base polymer also having reactive functional groups to form a surface coating for a medical material. The medical...
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6048339 |
Flexible surgical instruments with suction
A surgical instrument (10) includes a rigid stem section (12) defining a longitudinal axis (32) of the surgical instrument. The rigid stem section (12) has a central passage (86) for aspirating...
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6045547 |
Semi-continuous co-extruded catheter shaft
A multi-layer catheter tube section providing gradually increasing flexibility. One catheter tube section has a first, inner layer formed of a flexible material and a second, outer layer formed of...
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6045535 |
Surgical sealing sleeve
A surgical sealing sleeve (1, 32) for preventing undesirable leakage from the humoral fluid filled interior of a mammal organ to an access environment during its temporary seating in an access...
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6042576 |
Two-stage angled venous cannula
A two-staged venous cannula is disclosed having an angled bend near the distal end. In a preferred embodiment, the angle is a right angle. The angle bend allows the cannulation to take place near...
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6042562 |
Handle for a catheter
A handle for a catheter, comprising a marking arrangement using index markings which can be read through a window. The window is arranged on the handle, and the index markings are carried by an...
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6042563 |
Methods and apparatus for occluding a blood vessel
An improved method and apparatus for occluding a blood vessel is shown and described. A cannula adapted for insertion through a wall of a blood vessel is provided with an expandable member on a...
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6039699 |
Stiff catheter guidewire with flexible distal portion
A catheter guidewire has a relatively flexible distal portion to facilitate the steering of the guidewire through the cardiovascular system of a subject and the capability of the guidewire to reach...
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6036682 |
Catheter having a plurality of integral radiopaque bands
A tubular member for manufacture of medical devices insertable into body lumens. The tubular member includes an inner tubular member, and outer tubular member, and a lumen through the inner tubular...
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6036676 |
Surface modified polymeric material formulation
The present invention provides a polymeric blend suitable for adhesive bonding to polar polymeric materials comprising an ultra-low density polyethylene in an amount by weight within the range of...
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6033388 |
Catheter introducer with thin walled sheath
A catheter introducer sheath comprises a polyimide tube manufactured by a dispersion coating process. The inner diameter of the tube is constant over its entire length. The thickness of the tube is...
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6035224 |
Electrophysiology catheter with multifunction wire and method for making
An electrophysiology catheter (2) includes a handle (4) and a catheter shaft (6) having a flexible tip portion (22) with one or more electrodes (26, 28). A radial deflection wire (42) connects the...
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6033393 |
Method and apparatus for overpressure protection of a catheter
A method and apparatus for overpressure protection of a catheter from an indwelling catheter. A method in one embodiment includes injecting an agent into the catheter and relieving overpressures in...
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6033379 |
Balloon catheter
An improved balloon catheter has a catheter body with an expandable member, such as a balloon, mounted to the exterior surface thereof. Preferably, means for preventing sticking of the expandable...
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6033394 |
Catheter support structure
A catheter has a support segment which includes a plurality of support struts. Each of the struts has first and second ends longitudinally spaced apart along a longitudinal axis of the segment. The...
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6030364 |
Apparatus and method for percutaneous placement of gastro-intestinal tubes
A method and apparatus for the percutaneous placement of gastro-intestinal tubes, the apparatus comprising a longitudinal penetration device; a hollow, tapered dilator; and a sheath having a...
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6030369 |
Micro catheter shaft
This is a catheter having a shaft, the layers of which are coextruded in an intermittently changing pattern that produces particular mechanical and frictional properties in the structure. The outer...
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6030371 |
Catheters and method for nonextrusion manufacturing of catheters
An apparatus and method for nonextrusion manufacturing of catheters that can be used to produce catheters having a simple or complex configuration. A polymer material in a particulate preform is...
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6030370 |
Surgical instrument
In the performance of vascular anastomosis, in order to improve and simplify the making of the connection between the vessels, a surgical instrument is proposed which is characterized by a tubular...
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6030358 |
Microcatheter and method for site specific therapy
An apparatus having a pump reservoir and one or more microcatheters, for use in delivering and/or recovering fluid to and/or from a tissue site or for performing tissue engineering outside of the...
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6024725 |
Reducing tissue trauma and fluid loss during surgery
A sleeve for introducing a surgical instrument (e.g., a lipoplasty probe) into the body via a wound pierced in the skin, and an insertion device for making the wound and inserting the sleeve...
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6024730 |
Catheter assemblies and inner cannulae
An inner cannula for a tracheostomy tube assembly is formed from a tubular member having two parallel rows of slots formed along its length and covered by a sheath of thin flexible material on the...
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6022343 |
Bridged coil catheter support structure
A catheter includes a segment having a longitudinal axis. The segment has a helical coil extending coaxially with the longitudinal axis. The coil has a plurality of turns along a length of the...
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6022341 |
Catheter with multiple internal diameters
There is disclosed a medical catheter comprising a proximal shaft section and a distal shaft section. The proximal shaft section has an inner diameter and wall thickness which is constant over the...
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6017356 |
Method for using a trocar for penetration and skin incision
A method for establishing a surgical port for endoscopic or arthroscopic surgery is disclosed. A trocar is initially provided, and the obturator of the trocar includes a flat cutting blade, a...
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6017333 |
Irrigating laparoscopic cannula
A trocar assembly consisting of a trocar in a central opening in a cannula. The cannula is provided with at least one separate passage running parallel to the central passage. The separate passage...
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6015400 |
Method for placing a feeding tube
A method for placing a feeding tube in a patient. The method includes the step of providing a needle defining a channel therethrough, the needle being constructed for insertion through an abdominal...
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6013068 |
Variable lumen catheter
The present invention is a convertible catheter which is of a size and construction so as to enable it to be inserted by a medical technician and is designed so as to convert the site of ingress...
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6013047 |
Method and apparatus for prevention of fluid intrusion in a probe shaft
A shaft for a probe, especially suited for TEE and nasogastric applications, with superior bite-through resistance in the outermost probe layer. The probe shaft includes a crush-proof monocoil...
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6013052 |
Catheter and piston-type actuation device for use with same
A catheter handle including a handle body defining a longitudinally extending handle aperture, a connector adapted to connect a steering wire to the handle body, a piston located at least partially...
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6010494 |
Connection system for medical applications
The present invention provides a connection system for connecting a cannula to a device, the system involving a chamber operably coupled to the device, wherein the chamber has two apertures and...
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6007521 |
Drainage catheter system
A drainage catheter system including a catheter, a collection bag, and a collection bag saddle, is provided. The catheter includes a catheter body having an interior lumen, an elongate tubular...
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6007519 |
Central access cannulation device
A catheter placement system designed to permit a physician to quickly and safely place a large gage catheter into a selected major vein, while avoiding injury to the selected vein, nerves or other...
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6004302 |
Cannula
A cannula has a shank and a tip which is elliptical in cross-section having radially extending crescent-shaped fins for engaging the tissue lining the tunnel of an incision. The cannula is thus...
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6004303 |
Choker catheter
The present invention is directed to an apparatus for use in internal surgical procedures, more particularly, an apparatus for use in laparoscopic surgical procedures providing a simple and cost...
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6001084 |
Medical needle for endoscopic surgery
A medical needle for endoscopic surgery has an external cannula tube in which a protective element is mounted so that it can be shifted axially against a spring. The distal, front protective...
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6001078 |
Selective positioning drainage catheter
A drainage catheter for selective positioning within the human vasculature which includes a catheter body defining separate pressure and discharge lumens. A connector means at a proximal end of the...
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5997516 |
Modified cannula
A surgical cannula includes a generally hollow inlet portion which can receive a fluid flow and an angled outlet portion connected in fluid communication with the inlet portion. The outlet portion...
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