Injection devices
First Claim
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1. A piston housing having two modules, for use with an injection device, said housing comprising:
- (1) a first module comprising;
a first module housing, a first piston, a first module seal, and a first chamber defined by said first module housing, said first piston, and said first module seal; and
(2) a second module comprising;
a second module housing, a second piston, a second module seal, and a second chamber defined by said second module housing, said second piston, and said second module seal;
wherein said first module is capable of engaging said second module such that said first module seal is disposed proximal and adjacent to said second module seal.
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Abstract
Injection devices, such as needleless injection devices, and methods of making and using the same are disclosed.
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Citations
9 Claims
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1. A piston housing having two modules, for use with an injection device, said housing comprising:
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(1) a first module comprising;
a first module housing, a first piston, a first module seal, and a first chamber defined by said first module housing, said first piston, and said first module seal; and
(2) a second module comprising;
a second module housing, a second piston, a second module seal, and a second chamber defined by said second module housing, said second piston, and said second module seal;
wherein said first module is capable of engaging said second module such that said first module seal is disposed proximal and adjacent to said second module seal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification