Method of inserting a catheter into a sheath
First Claim
1. A method of operating a pinch clamp for releasably pinching off fluid flow through a catheter insertion sheath, comprising:
- providing a clamp over a catheter insertion sheath, wherein the catheter insertion sheath includes a longitudinal axis extending therethrough and further includes at least one proximal handle portion thereon, with the clamp having a first engagement portion and a second engagement portion with at least one of the first and second engagement portions being affixed to the at least one proximal handle portion of the sheath, and with at least one of the first and second engagement portions being engageable with the sheath and movable between nonpinching and pinching positions with respect to the sheath;
using a thumb on one hand to bias the first engagement portion pinch member of the clamp toward the longitudinal axis; and
using at least one finger on the hand to bias the second engagement portion of the clamp toward the longitudinal axis,such that the first engagement portion releasably engages the second engagement portion and the sheath is pinched off by at least one of the first engagement portion and the second engagement portion.
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Accused Products
Abstract
A catheter insertion sheath assembly (100) including a tubular sheath body (106) having a proximal end (102), a distal end (104), and a hollow passage (107) extending between the proximal end and the distal end. A handle portion (110,114) is disposed at the proximal end of the tubular sheath. A clamp (120;300;400) extends from the handle portion for releasably closing the sheath prior to insertion of a catheter thereinto and includes a relatively movable portion (130) or portions (310,310′;410,410′) that is or are movable between an open position and a closed position, wherein, when the clamp is in the open position, fluid may flow through the hollow passage between the proximal end and the distal end and when the clamp is in the closed position, fluid flow is restricted through the hollow passage between the proximal end and the distal end. A method includes inserting a catheter into the sheath upon the clamp'"'"'s movable portion(s) being moved to an open position.
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Citations
9 Claims
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1. A method of operating a pinch clamp for releasably pinching off fluid flow through a catheter insertion sheath, comprising:
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providing a clamp over a catheter insertion sheath, wherein the catheter insertion sheath includes a longitudinal axis extending therethrough and further includes at least one proximal handle portion thereon, with the clamp having a first engagement portion and a second engagement portion with at least one of the first and second engagement portions being affixed to the at least one proximal handle portion of the sheath, and with at least one of the first and second engagement portions being engageable with the sheath and movable between nonpinching and pinching positions with respect to the sheath; using a thumb on one hand to bias the first engagement portion pinch member of the clamp toward the longitudinal axis; and using at least one finger on the hand to bias the second engagement portion of the clamp toward the longitudinal axis, such that the first engagement portion releasably engages the second engagement portion and the sheath is pinched off by at least one of the first engagement portion and the second engagement portion. - View Dependent Claims (2)
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3. A method of inserting a catheter into a catheter sheath, wherein the catheter sheath comprises a sheath tube having a proximal end, a distal end, and a handle affixed to the proximal tube end, the method comprising:
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providing a sheath clamp disposed proximate to the proximal end, with at least a portion of the clamp being immovably affixed to the handle and at least a portion of the clamp being engageable with the sheath tube, inserting a catheter sheath into an incision accessing a blood vessel of a patient; securing the sheath clamp to the sheath to restrict fluid flow between the proximate end and the distal end of the sheath; inserting a catheter into the proximal end of the sheath and advancing the catheter toward the sheath clamp; releasing the sheath clamp from restricting fluid flow through the sheath; advancing the catheter through the sheath to the distal end of the sheath; and removing the sheath from the blood vessel incision. - View Dependent Claims (4, 5, 6, 7, 8, 9)
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Specification