Injection member
First Claim
1. An injection member for use with a jet spray injection device for administering a subcutaneous or intramuscular dose of medicine, wherein said injection member comprises a surface which may be pressed against the skin of a patient, a jet spray nozzle, and a skin-penetrating member communicating with said nozzle for allowing a jet spray to pass through said skin-penetrating member into a patient, wherein said skin-penetrating member projects from said surface by a distance in the range of 0.05 mm and 0.3 mm, whereby when said skin-penetrating member is inserted into the skin of a patient, it passes at least substantially through the stratum corneum such that a jet spray exits said skin-penetrating member within, or at least near, the dermal layer of the skin.
1 Assignment
0 Petitions
Accused Products
Abstract
An injection member for a jet spray injection device through which device a dose of medicine is administered for subcutaneous or intramuscular injection has a jet nozzle designed as a skin-penetrating member having a length of 0.05-0.3 mm enabling it just to penetrate the stratum corneum.
275 Citations
8 Claims
- 1. An injection member for use with a jet spray injection device for administering a subcutaneous or intramuscular dose of medicine, wherein said injection member comprises a surface which may be pressed against the skin of a patient, a jet spray nozzle, and a skin-penetrating member communicating with said nozzle for allowing a jet spray to pass through said skin-penetrating member into a patient, wherein said skin-penetrating member projects from said surface by a distance in the range of 0.05 mm and 0.3 mm, whereby when said skin-penetrating member is inserted into the skin of a patient, it passes at least substantially through the stratum corneum such that a jet spray exits said skin-penetrating member within, or at least near, the dermal layer of the skin.
Specification