31
Vincent L Vaillancourt: Multidose disposable syringe and method of filling same. Kenyon & Kenyon, December 29, 1987: US04715854 (67 worldwide citation)

The multidose syringe is provided with two pistons which are attached by a string to move simultaneously. A groove in the barrel for delivering fluid into and from the innermost fluid chamber is provided with baffles to create turbulence in the fluid flow to preclude entry of air into the fluid cham ...


32
Vincent L Vaillancourt: Shielded hypodermic needle assembly and a shield assembly for a hypodermic needle. Francis C Hand, November 1, 1994: US05360408 (67 worldwide citation)

The shield assembly for a hypodermic needle includes a sleeve which is mounted on a syringe housing and a tubular shield which can be moved between an extended position over the hypodermic needle to a retracted position partially within the sleeve to expose the hypodermic needle. A resilient strip i ...


33
Vincent L Vaillancourt: Catheter placement unit with needle removal provision and method of use. Johnson & Johnson, Donal B Tobin, June 3, 1980: US04205675 (66 worldwide citation)

A catheter placement unit for use with an introducer needle and an introducer catheter including a hollow tube and a fitting at one of its ends. The placement unit comprises a connector having an internal bore and including a male fitting member for mating with the catheter fitting to provide a conn ...


34
Vincent L Vaillancourt: Female luer connector. McAulay Fisher Nissen Goldberg & Kiel, September 23, 1997: US05669891 (66 worldwide citation)

The female luer connector is constructed with a floating hollow needle. The needle is mounted within a collapsible tubular member with the distal end of the needle fitted into a recess of a septum integral with the collapsible member. The hollow needle is free to move transversely relative to the ho ...


35
Joseph J Thomas, Vincent L Vaillancourt, Marcus J Millet, William F Smith: Blood collection assembly with unidirectional flow valve. Johnson & Johnson, September 14, 1982: US04349035 (64 worldwide citation)

A blood collection assembly for receiving a blood sample from a patient but for preventing the blood from flowing out once it has been received. This assembly includes an evacuated receptacle, such as a blood collecting tube, for the reception and retention of a sample of blood. An opening is includ ...


36
Vincent L Vaillancourt: Sterile catheter securement device. Ralph R Roberts, July 7, 1987: US04678462 (62 worldwide citation)

This invention pertains to the construction and use of a sterile securement device for retaining an inserted and placed catheter and a connected tubular conductor in an assembled condition. This securement device in retaining condition maintains this assembly by this adhesively-coated film which is ...


37
Vincent L Vaillancourt: Closed system over-the-needle I.V. catheter. Kenyon & Kenyon, October 30, 1990: US04966586 (61 worldwide citation)

An over-the-needle I.V. catheter is depicted for attachment to an I.V. fluid supply. This product is primed prior to puncture of a patient's blood vessel. This product includes a catheter hub with an attached flexible catheter having its forward end tapered to provide penetration capability. This hu ...


38
Vincent L Vaillancourt: Ambulatory disposable infusion delivery system. Kenyon & Kenyon, March 21, 1989: US04813937 (59 worldwide citation)

There are depicted two embodiments of an ambulatory disposable infusion delivery system in which fluid (drug) is fed to a substantially transparent receiving and retaining housing which has indicia markings conventionally applied to indicate quantity. The inflow of fluid causes an elastomeric member ...


39
Vincent L Vaillancourt: Vented flexible filtration device for use in administering parenteral liquids. Critikon, Donald B Tobin, June 30, 1981: US04276170 (56 worldwide citation)

A vented filtration device comprising a closed, flexible and compressible housing having a liquid inlet and a liquid outlet. The housing includes an internal passage connecting the inlet and the outlet. A liquid filter assembly is disposed within the passage between the inlet and outlet thereby defi ...


40
Vincent L Vaillancourt: Hub assembly for use in the filtration of fluids and method of making the same. Johnson & Johnson, Richard J Rodrick, November 28, 1978: US04127131 (55 worldwide citation)

A hub assembly for use in the filtration of fluids comprising a hub with a tapered bore extending therethrough, and a filter membrane in the bore. The filter membrane has a first portion extending across the bore and a second portion extending from the first portion in substantial contact with the h ...