Boston Scientific Scimed, Inc.

Target Therapeutics, Inc.

Scimed Life Systems, Inc.

Lawrence Charles Alpert

Lex Philip Jansen

Jeffrey A Sarge

Thomas Yung-Hui Chien

Perry Alvin Fukui

Huey Chan

Sean McFerran

Roland S Mompar

Ting Tina Ye

Greg P Welsh

Tina Ye

A catheter shaft with an improved manifold bond and methods for making and using the same. The catheter shaft may include a sleeve disposed, for example, near its proximal end. The sleeve may include a first layer that is attached to the catheter shaft and a second layer to which a hub or manifold may be attached.

Catheter shaft with improved manifold bond

A catheter comprising an elongate tubular member having a proximal end, a distal end, and a passageway defining a lumen extending between the proximal and distal ends. The elongate tubular member comprises a relatively stiff proximal section and a relatively flexible distal section. The proximal section includes an inner tubular liner, a first stiffener comprising a metal alloy, and a second stiffener comprising a non-metal alloy. The first and second stiffeners are coaxially wound exterior to the proximal inner liner. The distal section includes a distal inner tubular liner and the second stiffener coaxially wound exterior to the distal inner liner. The first stiffener terminates before reaching the distal section.

Catheter with composite stiffener

A catheter for use in vasculature or other lumens within body structures includes a shaft formed from an elongated polymeric flexible tube. A thin polymeric sleeve is placed over a proximal portion of the catheter shaft. A hub structure is injection molded over the sleeve with a polymer of the same type as the polymeric sleeve. The heat from the injection molded polymer of the hub body is sufficient to heat the polymeric sleeve, causing the polymeric sleeve to bond the hub body to the sleeve, and the sleeve to the catheter shaft. In this way, the injection molded polymeric hub structure is fused to the catheter shaft, with a unified polymeric bond, and without the use of adhesive. The plastic sleeve is sufficiently thick to protect the catheter shaft from the heat of the injection molded molten polymer while still allowing the catheter shaft and sleeve to bond to the shaft.

Catheter incorporating an insert molded hub and method of manufacturing

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Fremont, CA, United States of America

Lawrence Charles Alpert