Utard, Thierry,Petithory, Jean-Sebastien,Crivelli, Rocco,Ginggen, Alec,Margairaz, Philippe
申请号：
AU2006233271
公开号：
AU2006233271B2
申请日:
2006.10.30
申请国别(地区):
AU
年份:
2012
代理人:
摘要：
#$%^&*AU2006233271B220121129.pdf#####ABSTRACT An implantable pump includes a base plate and a can that are parts of the pump housing. The base plate bottom divides the housing into a first electronics chamber and a second chamber. A bellows mechanism is connected to the base plate 5 and is disposed within the second chamber. The bellow mechanism has an expandable sidewall and a bottom plate. The bellow mechanism divides the second chamber into a medicament receiving portion and a non-medicament-receiving portion. The bellow mechanism has an intermediate plate disposed within the medicament-receiving portion. A coil is disposed in a recess on the lower surface of 10 the base plate, and the coil is spaced from an internal wall of the recess. The amount of fluid remaining in the implantable pump can be monitored by energizing the coil. A primary magnetic field is generated by the energized coil. A secondary magnetic field, which is dependant on the position of the bottom and intermediate plate of the bellow mechanism, couples back to the primary field affecting the electrical 15 characteristics of the coil. The amount of fluid remaining in the reservoir is determined based on the resulting changes in the electrical characteristics of the coil. 26/10/06,16138 speci,21/2 FIG. 1 1.45. Ls [mH] without intermediate plate 1.401.3544 .30 Ls [mH] with intermediate plate 1.25.1.201-15- 42 1 -10 1.05 I 0 10 20 30 40 Volume [ml] FIG. 2 10 16 7 40 38 34 35 32 b 14 36 2224 28 a c t32 13 24 18 26
