| 摘要 |
PCT No. PCT/GB96/00551 Sec. 371 Date Sep. 10, 1997 Sec. 102(e) Date Sep. 10, 1997 PCT Filed Mar. 8, 1996 PCT Pub. No. WO96/28202 PCT Pub. Date Sep. 19, 1996A needleless injector is described for dispensing a liquid material, comprising a dispensing member which moves under the force of a spring providing an energy store. A damping arrangement, employing a viscous damping medium such as grease, is used to damp recoil during dispensing. |
