Superplastic forming for titanium implant enclosures
First Claim
Patent Images
1. A method of manufacturing a plurality of titanium alloy implantable medical device housing portions, comprising the steps of:
- a) providing a titanium alloy metal sheet;
b) heating the titanium alloy metal sheet to a superplastic forming temperature;
c) providing a die comprising a plurality of housing forming areas each corresponding to one of said housing portions; and
d) forcing the heated titanium alloy metal sheet onto the die for engaging each one of the plurality of housing forming areas, thereby superplastically forming a workpiece comprising a plurality of integrally formed implantable medical device housing portions.
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Abstract
A titanium alloy metal sheet is provided and heated to a superplastic forming temperature. A die has a plurality of housing forming areas each corresponding to one of the medical device housing portions. The heated titanium alloy metal sheet is forced onto the die and over each one of the plurality of housing forming areas, thereby superplastically forming a workpiece comprising a plurality of integrally formed implantable medical device housing portions.
65 Citations
14 Claims
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1. A method of manufacturing a plurality of titanium alloy implantable medical device housing portions, comprising the steps of:
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a) providing a titanium alloy metal sheet; b) heating the titanium alloy metal sheet to a superplastic forming temperature; c) providing a die comprising a plurality of housing forming areas each corresponding to one of said housing portions; and d) forcing the heated titanium alloy metal sheet onto the die for engaging each one of the plurality of housing forming areas, thereby superplastically forming a workpiece comprising a plurality of integrally formed implantable medical device housing portions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of manufacturing a plurality of titanium alloy implantable medical device housing portions, comprising the steps of:
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providing a titanium alloy metal sheet; heating the titanium alloy metal sheet to a superplastic forming temperature providing a die comprising a plurality of housing forming areas each corresponding to one of said housing portions, said housing forming areas arranged in a plurality of rows and a plurality of columns; and forcing the heated titanium alloy metal sheet onto the die for engaging each one of the plurality of housing forming areas, thereby superplastically forming a workpiece comprising a plurality of integrally formed implantable medical device housing portions arranged in said plurality of rows and plurality of columns corresponding to said forming areas of said die. - View Dependent Claims (11, 12)
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13. A method of manufacturing a plurality of titanium alloy implantable medical device housing portions, comprising the steps of:
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providing a titanium alloy metal sheet; heating the titanium alloy metal sheet to a superplastic forming temperature; providing a die comprising a plurality of housing forming areas each corresponding to one of said housing portions, said housing forming areas arranged in a plurality of rows and a plurality of columns; forcing the heated titanium alloy metal sheet onto the die for engaging each one of the plurality of housing forming areas, thereby superplastically forming a workpiece comprising a plurality of integrally formed implantable medical device housing portions arranged in said plurality of rows and plurality of columns corresponding to said forming areas of said die, wherein at least some of said housing portions are used to provide a plurality of first units; providing a plurality of second units; and assembling a plurality of implantable medical devices by, for each one of said implantable medical device, sealing electronics in an inner chamber formed by connecting one of the first units to one of the second units. - View Dependent Claims (14)
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Specification