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Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
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| Number | Title | Issue Date |
| 7066908 | Method and apparatus for indicating or covering a percutaneous puncture site Systems and methods are disclosed for identifying and deploying a protective cover about a percutaneous puncture site formed by a hypodermic needle. In the preferred embodiment, a marking agent or puncture site covering, the latter of which preferably takes the form... | 06/27/2006 |
| 6860871 | Needle tip guard for percutaneous entry needles A needle tip protective device for use with percutaneous entry needles. In one embodiment, the needle tip protective device includes a needle guard slidably mounted on a hypodermic needle, the latter having a needle tip located at the distal end thereof, and a chang... | 03/01/2005 |
| 6629959 | Needle tip guard for percutaneous entry needles A needle tip protective device for use with percutaneous entry needles. In one embodiment, the needle tip protective device includes a needle guard slidably mounted on a hypodermic needle, the latter having a needle tip located at the distal end thereof, ... | 10/07/2003 |
| 6443929 | Needle tip guard for hypodermic needles A needle tip protective device. In one embodiment the needle tip protective device includes a needle guard that is slidably mounted on a hypodermic needle having a needle tip located at the distal end of the needle. The needle guard contains a movable nee... | 09/03/2002 |
| 6156010 | Method and apparatus for introducing an intravenous catheter A method an apparatus for introducing an intravenous catheter. In one embodiment, a catheter having a flashback chamber is provided, the flashback chamber having a proximal end, a distal end and an inner wall. The distal end of the flashback chamber being... | 12/05/2000 |
| 6001080 | Intravenous catheter assembly A needle tip protective device. In one embodiment the needle tip protective device includes a needle guard that is slidably mounted on a hypodermic needle having a needle tip located at the distal end of the needle. The needle guard contains a movable nee... | 12/14/1999 |
| 5879337 | Needle tip guard for hypodermic needles A needle tip protective device. In one embodiment the needle tip protective device includes a needle guard that is slidably mounted on a hypodermic needle having a needle tip located at the distal end of the needle. The needle guard contains a movable nee... | 03/09/1999 |
| 5360211 | Springs and locking collars for retractable sleeve-protected injection apparatus This is an all-plastic protective sleeve for the needle of a medical device. It comprises, a plastic base carrying a bottom end of the needle; a plastic end-cap slidably mounted on the needle adjacent a tip end thereof; a plurality of longitudinal plastic... | 11/01/1994 |
| 5336200 | Retractable sleeve-protection for injection apparatus employing carpules This invention is a carpule-using syringe assembly having a needle protected to minimize the chance of accidental needle-stick. There is a carpule having a pierceable end and a syringe body for receiving and holding the carpule with the pierceable end adj... | 08/09/1994 |
| 5304151 | Add-on fail-safe safety cap for passive sliding-sleeve needle protectors An add-on fail-safe safety cap for mounting on a retracting protective sleeve for a hypodermic needle. An annular collar is concentrically positioned around the sleeve adjacent its outer end. There is at least one tip shield carried by the collar with eac... | 04/19/1994 |
| 5269765 | Methods of manufacture of safety sleeves for medical injection devices This invention provides alternate constructions and methods of manufacture for retractable protective sleeves used over the needle of syringes and the like. In one approach, the slats of the protective sleeve are formed by providing slots through a plasti... | 12/14/1993 |
| 5261894 | Injection spring with locking collar for a protective needle sleeve This is an all-plastic protective sleeve for the needle of a medical device. It comprises, a plastic base carrying a bottom end of the needle; a plastic end-cap slidably mounted on the needle adjacent a tip end thereof; a plurality of longitudinal plastic... | 11/16/1993 |
| 5261880 | Single use syringes with second use lockout A single-use hypodermic syringe which locks up after one use. There is a body having a cylindrical container for holding a fluid. A hollow needle communicates with an interior of the cylindrical container through one end and a sliding plunger disposed in ... | 11/16/1993 |
