Appeal No. 1997-0926
Application No. 08/552,045
pending in this application.
We REVERSE.
Appellants' invention relates to a radiation compatible
lubricant for a medical device such as an intravenous (IV)
catheter. Claims 1, 4 and 7 are illustrative of the subject
matter on appeal and are reproduced below:
1. A medical device coated with a mixture of a silicone
based lubricant and either vitamin E or vitamin E
acetate.
4. A method of sterilizing a medical device comprising:
coating the medical device with a mixture of a silicone
based lubricant and either vitamin E or vitamin E
acetate; and irradiating the medical device.
7. A lubricant that does not substantially increase in
viscosity after irradiation for use with a medical
device, comprising a mixture of a silicone based
lubricant and either vitamin E or vitamin E acetate.
The prior art references of record relied upon by the
examiner in rejecting the appealed claims are:
Hyans 4,459,318 Jul. 10,
1984
Yoshida 4,645,482 Feb. 24,
1987
Wong et al. 4,838,876 Jun. 13,
1989
(Wong)
Valentine et al. 5,037,419 Aug. 6,
2
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