Access device
First Claim
1. An access device for placing a medical article within a body space, comprising:
- a needle having an elongated needle body with a distal end and a needle hub from which the needle body extends;
a dilator slideably disposed on the needle body and comprising a dilator hub and an elongated dilator shaft that extends from the dilator hub to a distal end, the dilator hub comprising a receiving portion; and
an insert disposed within the dilator hub and supported by the receiving portion, the insert comprising a through-hole configured to receive the needle body therethrough such that the needle body is capable of extending through the insert, at least a portion of the through-hole being sized and shaped relative to the needle body so as to form a space between the insert and the needle body that allows gases to pass through the space and to the atmosphere but hinders the passage of a body fluid through the space.
8 Assignments
0 Petitions
Accused Products
Abstract
An access device for placing a medical article within a body space includes a needle, a dilator, and a medical article. The needle can include an elongated needle body with a distal end and a hub from which the needle body extends. The elongated needle body can include at least one side fenestration and an outer diameter. The dilator can be slideably disposed on the needle body and include a dilator hub and an elongated dilator shaft that extends from the dilator hub. The dilator shaft can include at least one side fenestration in communication with the needle side fenestration. The dilator shaft can also include an inner diameter that is less than the outer diameter of the needle. The medical article can include a tubular section and a hub. The tubular section can be disposed on the dilator and define a space between the medical article and the dilator in communication with the needle side fenestration through the dilator side fenestration. At a least portion of the medical article can be configured to allow visual determination of the presence of a body fluid within the space.
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Citations
20 Claims
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1. An access device for placing a medical article within a body space, comprising:
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a needle having an elongated needle body with a distal end and a needle hub from which the needle body extends; a dilator slideably disposed on the needle body and comprising a dilator hub and an elongated dilator shaft that extends from the dilator hub to a distal end, the dilator hub comprising a receiving portion; and an insert disposed within the dilator hub and supported by the receiving portion, the insert comprising a through-hole configured to receive the needle body therethrough such that the needle body is capable of extending through the insert, at least a portion of the through-hole being sized and shaped relative to the needle body so as to form a space between the insert and the needle body that allows gases to pass through the space and to the atmosphere but hinders the passage of a body fluid through the space. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An access device for placing a medical article within a body space, comprising:
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a needle having an elongated needle body with a distal end and a needle hub from which the needle body extends; a dilator slideably disposed on the needle body and comprising a dilator hub and an elongated dilator shaft that extends from the dilator hub to a distal end, the dilator hub comprising a receiving portion; and an insert disposed within the dilator hub and supported by the receiving portion, the insert comprising a through-hole configured to receive the needle body therethrough such that the needle body is capable of extending through the insert, the insert configured to allow gases to pass through the through-hole and to the atmosphere but hinder the passage of a body fluid through the through-hole when the needle body extends therethrough, wherein the dilator, the needle, and the insert define a space within the receiving portion, the space configured to allow gases to enter. - View Dependent Claims (17, 18, 19, 20)
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Specification