Low viscosity bone cement

Details Low viscosity bone cement Low viscosity bone cement

1980-02-20

1982-07-27

Lieberman, Allan

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

128 92C, 128 92CA, 128 92G, 128 92R, 525309, 524495, 524523, 524533, 523221, C08F26506, C08J 320, C08K 704

Patent

active

043416918

ABSTRACT:
An acrylic cement-like substance which permits seating and securing of a prosthesis into living bone which comprises a mixture of a liquid monomer component and a polymer powder component such that upon mixing the two components, a cement which maintains a low viscosity for a longer period of time is formed. The low viscosity bone cement is intended for syringe or injector gun use only as it is to be used before the cement becomes doughy. This low viscosity bone cement has a viscosity of approximately 20 degrees C. (68 degrees F.), of less than 1500 poise, and preferably less than 1000 poise up to the sixth or seventh minute after the two components are mixed. The cement used in the lower viscosity state is more capable of penetrating the trabeculae of bones when used to secure a prosthesis, than when the cement is applied in the doughy state.

REFERENCES:
patent: 3223083 (1965-12-01), Cobey
patent: 3649608 (1972-03-01), Logemann et al.
patent: 4064566 (1977-12-01), Fletcher et al.
patent: 4093576 (1978-06-01), de Wijn
patent: 4107845 (1978-08-01), Lee, Jr. et al.
patent: 4141864 (1979-02-01), Rijke et al.
patent: 4282140 (1981-08-01), Bousquet et al.
Zimmer Product Brochure #1478, "A Sophisticated System to Improve Implant Fixation", 1980.

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