Strain relief device and connector assemblies incorporating same
First Claim
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1. A strain relief device for securing two catheter sections relative to a connector pin, the device comprising:
- a base and an interlocking cap that, when assembled, form a tubular shell for surrounding a length of the connector pin and an overlapping portion of each of the two catheter sections, wherein one or both of the base and cap comprise;
a lock portion operable to engage the connector pin and longitudinally restrain the shell relative to the connector pin; and
a compression surface located between the lock portion and each longitudinal end of the shell.
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Abstract
A connector assembly for interconnecting separate sections of tubing, e.g., catheters, and a method for using the same. Connector assemblies in accordance with embodiments of the present invention may be a two-piece construction having a connector pin and a strain relief device. The strain relief device, in addition to providing secure, substantially leak-free coupling of the tubing sections, may also provide strain relief to the tubing interconnection.
38 Citations
31 Claims
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1. A strain relief device for securing two catheter sections relative to a connector pin, the device comprising:
a base and an interlocking cap that, when assembled, form a tubular shell for surrounding a length of the connector pin and an overlapping portion of each of the two catheter sections, wherein one or both of the base and cap comprise;
a lock portion operable to engage the connector pin and longitudinally restrain the shell relative to the connector pin; and
a compression surface located between the lock portion and each longitudinal end of the shell. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A connector assembly for connecting sections of medical tubing, the assembly comprising:
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a connector pin comprising;
a first end portion, a second end portion, and a lumen extending between the first end portion and the second end portion; and
a central portion located between the first end portion and the second end portion, wherein the central portion has an outer dimension that is larger than an outer dimension of both the first and second end portions; and
a strain relief device for substantially surrounding at least a longitudinal portion of the connector pin, wherein the device comprises a semi-cylindrical base and an interlocking semi-cylindrical cap, wherein one or both of the base and cap comprises a first lock portion operable to align the device relative to the central portion. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A method of interconnecting sections of medical tubing, the method comprising:
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inserting a first end portion of a connector pin into a first medical tube, the connector pin comprising;
an opposing, second end portion;
a lumen extending between the first end portion and the second end portion; and
a central portion located between the first and second end portions, the central portion comprising an outer dimension that is greater than an outer dimension of either of the first and second end portions;
inserting the second end portion into a second medical tube;
placing the connector pin into a base of a strain relief device; and
engaging a cap of the strain relief device with the base such that the connector pin is substantially surrounded, along its length, by the base and cap. - View Dependent Claims (23, 24, 25, 26, 27, 28)
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29. A strain relief device for securing at least two catheter sections relative to a connector pin, the device comprising:
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a base for covering both a first portion of the connector pin and a first portion of each of the at least two catheter sections, wherein the base comprises a first lock portion operable to engage the connector pin; and
a cap for covering a second portion of the connector pin, wherein the cap is attachable to the base to form a tubular shell that substantially surrounds a length of the connector pin and overlapping portions of each of the at least two catheter sections. - View Dependent Claims (30, 31)
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Specification