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A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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| Number | Title | Issue Date |
| 7357789 | Specially designed syringes for dispensing granular or powdered solids An apparatus and method for delivering a granular or powdered material, e.g., a bone growth promoting material. The inventive syringe apparatus includes a syringe barrel having a proximal and distal end, a lid attached to the syringe barrel that is selectively movab... | 04/15/2008 |
| 7028569 | Piston, in particular for sampling valve The invention concerns a piston wherein the mobile screw (2) is engaged in the bolt (8) integral with the mobile assembly (1). It is provided with a cylindrical axial housing (10) wherein is engaged the rod (7) integral at its fron... | 04/18/2006 |
| 6942638 | Needleless injector and ampule system A needle-less injection system that uses an ampule with an elongated hollow body. The elongated hollow body including a nozzle and an aperture for accepting a plunger, the aperture for accepting a plunger extends from the second end towards the first end and is in f... | 09/13/2005 |
| 6585700 | Syringe, syringe plunger and attachment mechanism for front loading medical injector A mounting member for attaching a front-loading syringe to a powered injector is disclosed. The present invention may also include a plunger that has a two-piece molded core portion that is readily attachable to a plunger drive member of a powered injecto... | 07/01/2003 |
| 5743890 | Pistons for injection cartridges A piston (11) to be used in displacing a liquid inside a cylindrical chamber, such as in an injection cartridge of the dual-chamber type, has at least one of its end surfaces (12) shaped convex such that said end surface or surfaces (12) are essentially p... | 04/28/1998 |
| 5688255 | Method and apparatus for removing and disposing of body fluids A method of removing body fluids from a patient and disposing of the body fluids, the method comprising the steps of (a) providing a container including a bottom wall having therein a drain, (b) providing a drainage device for automatically opening the dr... | 11/18/1997 |
| 5620423 | Syringe for the controlled discharge of viscous materials A syringe having a stopper configured at least partly as a membrane surface. The stopper is prestressed opposite to the direction of insertion of a rotary piston so that it assumes a stable position at rest. After displacement by the rotary piston, the me... | 04/15/1997 |
| 5395326 | Pharmaceutical storage and mixing syringe having high pressure assisted discharge A hand held syringe has a stationary handle and a moving handle to enable both stored and transported pharmaceuticals to be mixed and injecting the mixed pharmaceuticals under high pressure immediately after mixing through a long needle to a site interior... | 03/07/1995 |
| 5314416 | Low friction syring assembly A syringe assembly including a plunger rod and a plunger tip which are designed to provide a low frictional resistance against the interior surface of the syringe barrel while the plunger rod is at rest but which will increase the sealing pressure between... | 05/24/1994 |
| 5279563 | Digital display for an inflation system for a balloon catheter An inflation system for pressurization and depressurization of a balloon catheter. The inflation system includes a syringe, including a syringe barrel, a plunger with expandable thread, a handle with cam, a syringe end cap, and a digital pressure gauge. T... | 01/18/1994 |
| 5202533 | Drug injection apparatus for an animal A remote injection device for animals comprises a barrel with a piston slideable within the barrel from an initial retracted position at one end of the barrel forwardly toward the opposed end of the barrel to discharge liquid in an injection action throug... | 04/13/1993 |
| 4741462 | Adjustable piston packing expander for caulking guns An adjustable piston packing expander for use with conventional caulking gun piston assemblies is disclosed. The packing expander threads onto the piston rod and includes a frusto-conical expansion surface which contacts the inner surface of the packing w... | 05/03/1988 |
