Separatable infusion set with cleanable interface and straight line attachment
First Claim
1. An infusion set, comprising:
- a base having a post; and
a cap having;
an opening having an interior space for receiving the post;
a cannula extending into the interior space of the opening; and
a deflectable coupling member comprising a user-depressible element angularly connected to an outwardly bending flexible member, the deflectable coupling member having a closed shape surrounding the cannula;
wherein the outwardly bending flexible member is configured to releasably engage the post in the interior space when the user-depressible element is in a free state to couple the cap to the base in a desired rotational position about the post; and
when the user-depressible element is in a depressed state, at least a portion of the outwardly bending flexible member extends further outwardly out of the interior space to disengage the post.
1 Assignment
0 Petitions
Accused Products
Abstract
Infusion sets for insertion into an insertion site for preventing misalignment of the base and cap or fluid connector by providing one or more alignment features between each, and in alternative embodiments, provide one or more features to secure the cap or fluid connector to the base in anyone of a number of rotational positions and having release features to allow the cap or fluid connector to be rotatable with respect to the base portion of the infusion set, and yet easily removed and inserted. Further embodiments provide infusion sets wherein the user can easily see the insertion site of the catheter and the skin, to determine if infections have occurred at an earlier stage than was possible using prior art infusion sets and with substantially less difficulty.
81 Citations
21 Claims
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1. An infusion set, comprising:
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a base having a post; and a cap having; an opening having an interior space for receiving the post; a cannula extending into the interior space of the opening; and a deflectable coupling member comprising a user-depressible element angularly connected to an outwardly bending flexible member, the deflectable coupling member having a closed shape surrounding the cannula; wherein the outwardly bending flexible member is configured to releasably engage the post in the interior space when the user-depressible element is in a free state to couple the cap to the base in a desired rotational position about the post; and when the user-depressible element is in a depressed state, at least a portion of the outwardly bending flexible member extends further outwardly out of the interior space to disengage the post. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An infusion set comprising:
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a base having a post; a cap having; a rotatable coupling member; a cannula; an alignment opening surrounding the cannula; and an interlocking opening; and a mechanism to secure the cap to the base, said mechanism comprising a user-depressible element configured to extend through the interlocking opening; wherein the alignment opening aligns with and slidably receives the post; wherein the cap angularly rotates about the rotatable coupling member toward the base for coupling and the cap angularly rotates about the rotatable coupling member away from the base for decoupling; and wherein the user-depressible element is integral with the base to form a monolithic structure. - View Dependent Claims (12, 13, 14, 15)
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16. A cap for an infusion set, comprising:
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an opening for receiving a post of an infusion set base; and a coupling member disposed in the opening; wherein the coupling member is configured to selectively extend into and out of the opening to substantially encircle the post of the infusion set base, said coupling member having; a user deflectable side extending from said opening to an outside of the cap, and at least one side configured to deflect in response to movement of the user deflectable side, the at least one side having an extended portion that is configured to deflect in response to the movement of the user deflectable side such that the extended portion engages the post of the infusion set base when a proximal end of the user deflectable side is disposed outside the cap, and the extended portion disengages the post of the infusion set base when the proximal end of the user deflectable side extends into and is disposed inside the cap. - View Dependent Claims (17, 18, 19)
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20. An infusion set comprising:
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a cap having a deflectable coupling member disposed on an underside of the cap, said deflectable coupling member comprising at least one user-depressible lever extending outwardly from said underside of said cap, the at least one user-depressible lever moving with the deflectable coupling member in a same direction; and a base comprising at least one cap retaining wall with at least one undercut surface disposed below the at least one cap retaining wall, wherein the deflectable coupling member is configured to releasably couple the cap to the base in a desired rotational position. - View Dependent Claims (21)
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Specification