Expandable medical access sheath
First Claim
1. A medical access sheath assembly comprising:
- a first member comprising a length with a channel therethrough, where the first member comprises a wall having a gap through the wall, where the channel is configured to expand from a first cross-sectional size to a larger second cross-sectional size, and where the gap is configured to enlarge as the channel expands;
a second member connected to the first member, where the second member extends across the gap, and where the second member is configured to expand from a first configuration to a second configuration; and
a third member removably located within the channel, wherein the third member is configured to keep the second member in the first configuration when the third member is located in the channel, and wherein the third member is configured to release the second member to the second configuration when the third member is removed from the channel.
2 Assignments
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Accused Products
Abstract
A medical access sheath including a first member, a second member and a third member. The first member includes a longitudinal length and a channel therethrough. The first member includes a slit along the longitudinal length. The channel is configured to expand from a first cross-sectional size to a larger second cross-sectional size. The slit is configured to enlarge as the channel expands. The second member is connected to the first member proximate the slit. The second member extends across the slit. The second member is configured to expand from first configuration to second configuration. The third member is removably located within the channel. The third member is configured to keep the second member in the first configuration when the third member is located in the channel. The third member is configured to release the second member to the second configuration when the third member is removed from the channel.
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Citations
9 Claims
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1. A medical access sheath assembly comprising:
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a first member comprising a length with a channel therethrough, where the first member comprises a wall having a gap through the wall, where the channel is configured to expand from a first cross-sectional size to a larger second cross-sectional size, and where the gap is configured to enlarge as the channel expands; a second member connected to the first member, where the second member extends across the gap, and where the second member is configured to expand from a first configuration to a second configuration; and a third member removably located within the channel, wherein the third member is configured to keep the second member in the first configuration when the third member is located in the channel, and wherein the third member is configured to release the second member to the second configuration when the third member is removed from the channel. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A medical apparatus comprising:
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a medical access sheath comprising; a first member comprising a length with a channel therethrough, where the first member comprises a wall having a gap through the wall, where the channel is configured to expand from a first cross-sectional size to a larger second cross-sectional size, and where the gap is configured to enlarge as the channel expands; and a second member connected to the first member, where the second member extends across the gap, and where the second member is configured to expand from a first configuration to a second configuration; and a dilator located in the channel, where the dilator comprises a receiving area defined at least partially by a notch through a wall of the dilator, where the receiving area comprises a portion of the second member located therein, and where the receiving area is configured to release the second member from a collapsed first configuration to an expanded second configuration as the dilator is slid out of the medical access sheath.
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8. An apparatus comprising:
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a medical access sheath dilator; and a medical access sheath connected to the medical access sheath dilator, where the medical access sheath dilator is configured to be inserted through a channel of the medical access sheath, where the dilator comprises a receiving area defined at least partially by a notch through a wall of the dilator, where the receiving area is configured to have an expandable portion of the medical access sheath located therein, where the receiving area is configured to release the expandable portion from a first collapsed configuration to an expanded second configuration as the dilator is slid out of the medical access sheath. - View Dependent Claims (9)
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Specification