Reduced-friction catheter introducer and method of manufacturing and using the same
First Claim
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1. A sheath introducer for a catheter, comprising:
- a sheath having a lumen;
a hub positioned on a proximal end of the sheath, the hub including a splittable penetration member comprising a port in fluid communication with the lumen of the sheath; and
a housing positioned on the hub, the housing including a valve comprising a closed upper surface and a channel surrounding the splittable penetration member, wherein movement of the housing with respect to the hub exposes the port of the splittable penetration member for insertion of the catheter.
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Abstract
A sheath introducer for a catheter includes a sheath having a lumen, a hub positioned on a proximal end of the sheath, and a housing positioned on the hub. The hub can include a splittable penetration member having a port in fluid communication with the sheath lumen. The housing can include a valve having a closed upper surface and a channel surrounding the splittable penetration member. Movement of the housing with respect to the hub can expose the port of the splittable penetration member for insertion of the catheter.
434 Citations
13 Claims
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1. A sheath introducer for a catheter, comprising:
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a sheath having a lumen; a hub positioned on a proximal end of the sheath, the hub including a splittable penetration member comprising a port in fluid communication with the lumen of the sheath; and a housing positioned on the hub, the housing including a valve comprising a closed upper surface and a channel surrounding the splittable penetration member, wherein movement of the housing with respect to the hub exposes the port of the splittable penetration member for insertion of the catheter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for inserting a catheter into a body, comprising:
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providing a tear away sheath introducer, comprising; a sheath; a hub coupled to a proximal end of the sheath, the hub including a splittable penetration member; a housing coupled to the hub, the housing including a valve comprising a closed upper surface and a channel surrounding the splittable penetration member; inserting a distal portion of the sheath into the body; moving the housing with respect to the hub to penetrate the closed upper surface of the valve with the splittable penetration member; and inserting the catheter into a port of the splittable penetration member, through the tear away sheath introducer, and into the body. - View Dependent Claims (12, 13)
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Specification