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(11)    Patent No :    AP 2090    (73) Applicant(s)       
(21)    Application No :    AP/P/2005/003296    RETRACTABLE TECHNOLOGIES INC., 511 Lobo Lane, Little       
            Elm, Texas 75068,       
                   
(22)    Filing Date :    27.11.2002    United States of America       
(24)    Date of Grant &    12.01.2010           
                   
(45)    Publication :

(30)  Priority Data    (72) Inventors

    (33) Country    (31) Number    (32) Date    SHAW Thomas J, United States of America   
                ZHU Judy, United States of America   
                (74) Representative   
(84)    Designated State           
                   
    GM  GH   KE    LS   MW  MZ    SL   SD   SZ    FISHER CORMACK & BOTHA   
    T Z   UG   ZM   ZW               
(51)    International    Classification    A61M 5/32 (2006.01)    A61M 25/00 (2006.01)   



(54)    Title

IV catheter introducer with retractable needle

(57)    Abstract

An IV catheter introducer having a retractable needle holder and a tubular plunger that are held by a detent structure in a preferred positional relationship prior to and during insertion of the catheter. Following insertion, the plunger is pushed past the detent structure, permitting a compressed spring to force the needle holder upwardly into the plunger. A vented end cap in the plunger permits rapid venting of air displaced during retraction of the needle holder. The needle holder includes a flash chamber that is easily viewable through a clear plastic housing. Wings are provided on the housing to facilitate one -handed operation of the device. A method for assembling the subject catheter introducer is also disclosed.

(56)    Documents Cited :    US 5 817 058 A    WO 09/848 869 A    US 6 096 005 A

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