Patent ID: 9352127
Filing Date: 2016-05-31
CPC Classification: A61M

Claim Text:
1. A catheter insertion device comprising: a housing; a latch, coupled to and extending from said housing, said latch comprising an external portion configured to snap-fit with at least one corresponding feature on a catheter device housing of a catheter device for resiliently coupling said housing to said catheter device; a needle for insertion into a patient, said needle coupled to a needle collet that is slidably disposed within said housing; and a spring coupled to said needle collet, wherein said latch comprises a first position in which an internal portion of said latch prevents extension of said spring and a second position in which said internal portion releases said spring to extend such that said spring relaxes and thereby retracts said needle entirely into said housing, and wherein said latch is configured to be held in said first position by said catheter device housing and to be released to said second position when said latch resiliently decouples from said catheter device.