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5334187 |
Balloon catheter system with slit opening handle
A balloon angioplasty catheter system comprising a flexible guide wire, balloon catheter and slide handle. The balloon catheter has a shaft with a guide wire lumen that includes a guide wire...
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5324269 |
Fully exchangeable dual lumen over-the-wire dilatation catheter with rip seam
A fully exchangeable over-the-wire dilatation catheter disclosed having an expandable balloon mounted on the distal end of a flexible, elongate tubular shaft provided with first and second through...
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5322512 |
Splittable needle for epidural anesthesia
Disclosed is a splittable needle device adapted for use in administering epidural anesthesia. The needle has guide means to facilitate insertion of the needle into the peridural space, contained on...
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5312355 |
Splittable hemostatic valve and sheath and the method for using the same
A splittable hemostatic valve and introducer sheath is provided for introductions of leads or catheters through the valve and sheath combination into a vein or artery. Because of the hemostatic...
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5300045 |
Interventional needle having an automatically capping stylet
The tip of a stylet which is received in a needle cannula is automatically capped in a guard body when the stylet is withdrawn from the cannula. The stylet may be reassembled in the cannula and put...
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5279553 |
Transpyloric jejunostomy cannulating system
A transpyloric jejunostomy cannulating apparatus includes an abdominal wall trocar having an elongated shaft and a sharpened tapered end for passage through a patient's abdominal wall. A tubular...
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5263932 |
Bailout catheter for fixed wire angioplasty
An angioplasty catheter, comprising a catheter shaft having a proximal end and a distal end, with a balloon inflation lumen extending therethrough, a fixed, steerable torquewire extending through...
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5250033 |
Peel-away introducer sheath having proximal fitting
A peel-away introducer sheath includes a tube sheath having a splittable handle at its proximal end. A gas or liquid sealing valve or other fitting is secured to a proximal face of the handle and...
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5191898 |
Method and assembly for measuring intracranial fluid characateristics
A method and assembly is provided which allows measurement of intracranial fluid charateristics at the intracranial region of the brain. The invention contemplates a method of implanting a...
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5188605 |
Separable insertion tool
A catheter insertion tool for the insertion of fragile catheters through a hemostatic valve without damage to the fragile catheter. The catheter insertion tool includes a manipulator body with a...
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5167634 |
Peelable sheath with hub connector
A peelable sheath includes a sheath formed of a flexible tube having a pair of separation lines arranged longitudinally on radially opposite sides of the tube to form a pair of peelable sheath...
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5141497 |
Apparatus and method for an introducer
The introducer has an adapter with a pair of wings extending at an acute angle to each other wherein the wings are used in handling, holding and splitting. A splittable catheter mounts in a part of...
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4994040 |
Through the needle catheter insertion device and technique
A through the needle catheter device is described which includes apparatus for threading a catheter into a blood vessel. The apparatus is irreversible during the threading process. The catheter...
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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...
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4921479 |
Catheter sheath with longitudinal seam
An improved removable expandable sheath for aiding in the introduction of catheters into the body which is fabricated from a semi-stiff plastic with memory formed in a tubular configuration with a...
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4913704 |
Disposable indwelling catheter placement unit into the blood vessel
A disposable indwelling catheter placement unit includes a transparent plastic catheter for insertion into a blood vessel having depth indicating graduations thereon. The catheter is freely...
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4888000 |
Apparatus for the insertion of catheters
A supra pubic catheter is inserted via a cannula which is positioned using a trocar, the trocar being withdrawn to leave the cannula in position through the wall of the bladder allowing passage of...
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4865593 |
Splittable cannula
A cannula, such as commonly used for introduction of a catheter through the cannula into a body cavity, includes a plastic tube and an adaptor at one end of the tube. For easy removal of the...
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4817629 |
Process and apparatus for measurement and monitoring of muscle compartment pressure
Portable apparatus for measuring and monitoring muscle compartment pressures comprising a system of a disposable assembly of a syringe, a pressure chamber having a diaphragm, and means to penetrate...
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4772266 |
Catheter dilator/sheath assembly and method
Dilator/sheath assemblies for unstressed placement of catheter tubes into a body cavity of medical patients, which insure a stable axial relationship between concentrically superimposed sheath and...
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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...
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4585013 |
Lumenless pervenous electrical lead and method of implantation
A lead for connecting an electrical stimulation generator to an internal organ of the body via the vascular system includes a small diameter nonhollow multifilament lead body surrounded by a guide...
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4581025 |
Sheath
A sheath comprising a tubular structure formed of a flexible material which is compatible for insertion within the body and having proximal and distal ends. In one embodiment, the tubular structure...
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4524770 |
Endoscope injection needle
The present invention is directed to an attachment tool (10) for use with an endoscopic instrument (30). Instrument (30) includes a working element (74) having a mechanism (28) for clamping an...
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4471778 |
Apparatus and method for providing opening into body cavity or viscus
An apparatus and method for providing a percutaneous or non-dissection opening into a body cavity or hollow viscus. A needle is attached to a syringe for insertion within the body cavity. Operation...
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4377165 |
Cannula needle for catheter
A cannula needle for a catheter is provided from flat metal sheet blank stock. A groove of controlled depth is formed on the metal sheet which is then rolled to produce a hollow barrel having a...
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4354491 |
Fluid transfer device
A device for inserting a catheter tube in a vein or the like. The needle portion of the device is slotted along one position and partially along another position so that the needle after withdrawal...
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4054136 |
Cannula for the introduction of a catheter
A cannula comprises a body having a longitudinal aperture for receiving a catheter. A sealing strip formed of flexible plastic is removably disposed within the longitudinal axis to seal around the...
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4037600 |
Catheter placement system
An intravenous catheter placement system in which a puncture needle and insertion catheter are disposed in guide passages formed in an easily handled blade-like body member. The body member is...
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3995628 |
Catheter insertion device
A catheter insertion device utilizing a catheter wound inside a two-piece generally cylindrical dispenser and extending outwardly into a slotted needle secured to an outlet from the dispenser; a...
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3921631 |
Catheter insertion device and method of catheter introduction
A catheter insertion device having a needle assembly comprising a hollow slotted needle with a needle hub affixed to its proximal end and a catheter assembly comprising a flexible catheter having a...
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3835854 |
CATHETER ADVANCING DEVICE WITH NIP ROLLERS
A device for inserting a catheter into a body such as a vessel, vein, artery or channel comprising a housing member adapted to receive a flexible catheter and having a hollow needle for guiding the...
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3827434 |
CATHETER INSERTION DEVICE
A catheter insertion device having a needle assembly comprising a hollow slotted needle with a needle hub affixed to its proximal end and a catheter assembly comprising a flexible catheter having a...
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3742958 |
SUPRAPUBIC CATHETER INSERTER
Surgical apparatus for suprapubically inserting a Foley-type catheter into a patient's bladder, including a trocar having a reduced diameter along a portion of its length and a telescopingly...
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3682173 |
SEPARABLE CATHETER INSERTION DEVICE
A disposable catheter insertion device has a longitudinal slot running the length of the needle and of the hub member secured to the needle. The slot facilitates removal of the catheter from the...
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3598118 |
METHOD OF INTRODUCING AN INTRAVENOUS CATHETER INTO THE VASCULAR SYSTEM
A needle comprising a tube, having a pointed leading end, a longitudinal hairline slot extending the length thereof, collar means spaced from the pointed leading end, and tube walls of sufficient...
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3545443 |
SUPRAPUBIC CYSTOSTOMY NEEDLE
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3472232 |
CATHETER INSERTION DEVICE
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3297030 |
Catheter placement unit with removable cannulated needle
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2829644 |
Venous catheter
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