Injection devices

Details Injection devices Injection devices

A - Human Necessities

61

M

128/132, 128/93

A61M 5/32 (2006.01) A61M 5/28 (2006.01) A61M 5/50 (2006.01) A61M 5/31 (2006.01) A61M 5/34 (2006.01)

Patent

CA 1289028

"Improvements in or relating to Injection Devices" ABSTRACT OF THE DISCLOSURE An accessory for an injection device of the kind in which liquid is drawn or expelled along a hollow needle comprises a protective sleeve for surrounding the needle. The sleeve has at least an end portion which is reciprocable in the direction of the length of the needle between an extended position in which the point of the needle is located within the sleeve to shield the point of the needle and a contracted position in which the point of the needle projects from the sleeve, to enable an injection to be effected. A retaining arrangement is provided for retaining the sleeve in the extended position after the injection has been effected and for preventing the point of the needle from being exposed solely by application of pressure to the end portion of the sleeve in the direction of contracting movement.

552130

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