Fluent material handling – with receiver or receiver coacting mea – Processes – Filling dispensers
Reexamination Certificate
2007-07-17
2007-07-17
Maust, Timothy L. (Department: 3751)
Fluent material handling, with receiver or receiver coacting mea
Processes
Filling dispensers
C141S059000, C141S082000, C141S329000, C215S247000, C215S355000, C604S415000
Reexamination Certificate
active
11408704
ABSTRACT:
A device and method are provided for needle penetrating and filling a chamber with a predetermined substance, and laser resealing a resulting needle hole in the device. A needle penetrable and laser resealable portion of the device is pierceable with a needle to form a needle aperture therethrough to fill the chamber through the needle, and is laser resealable to hermetically seal the needle aperture by applying laser radiation at a predetermined wavelength and power thereto. The needle penetrable and laser resealable portion defines a predetermined wall thickness in an axial direction thereof, and includes a thermoplastic that substantially prevents the formation of particles released into the chamber from the needle penetrable and laser resealable portion during penetration by and withdrawal of the needle. The thermoplastic includes a predetermined amount of pigment that allows the thermoplastic to substantially absorb laser radiation at the predetermined wavelength, substantially prevent the passage of radiation through the predetermined wall thickness thereof, and hermetically seal a needle aperture formed in the needle penetration region thereof in a predetermined time period.
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Maust Timothy L.
McCarter & English LLP
Medical Instill Technologies Inc.
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