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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 |
| 5315122 | Apparatus and method for fluorescent lifetime measurement A flow cytometer measures fluorescence lifetimes by the phase shift of a reference signal and an emission from a fluorescent particle or cell in a flow chamber in order to identify the particle or cell. An acoustic optic modulator modulates laser light wi... | 05/24/1994 |
| 5306253 | Winged catheter introducer with pre-bent wings A catheter introducer set is disclosed. The device comprises a cannula for insertion into a blood vessel, a tube in fluid communication with the cannula and a needle for assisting in the introduction of the cannula into the vessel. Between the cannula and... | 04/26/1994 |
| 5304144 | Catheter introducer with enhanced needle gripping A catheter introducer set is disclosed. The device comprises a cannula for insertion into a blood vessel, a tube in fluid communication with the cannula and a needle for assisting in the introduction of the cannula into the vessel. Between the cannula and... | 04/19/1994 |
| 5304136 | Needle sheath A needle shielding device in which, after use, a needle is confined in a chamber having a first hole through which the needle can enter the chamber. The needle is drawn into the chamber through the hole. The chamber is made up of telescopic members. The n... | 04/19/1994 |
| 5295967 | Syringe pump having continuous pressure monitoring and display A syringe pump is disclosed having a transducer for detecting the force on the syringe pusher. The detected force is translated into a pressure which is continuously displayed so that the user can anticipate the occurrence of an occlusion. The syringe pum... | 03/22/1994 |
| 5295966 | Syringe pump with biased lockable syringe clamp A belt driven infusion pump for emptying the contents of a syringe is disclosed. The pump includes a syringe pusher including an antisiphon catch and a pressure detector which is used for detecting occlusions or the end of infusion. A syringe clamp for lo... | 03/22/1994 |
| 5263938 | Guidewire introducer assembly A guidewire introducer assembly is disclosed, together with a method of introducing a guidewire into a blood vessel. The introducer assembly allows a guidewire to be grasped between the digits of a user, thereby facilitating advancement or retraction of t... | 11/23/1993 |
| 5261884 | Syringe pump control system A belt driven infusion pump for emptying the contents of a syringe is disclosed. The pump includes a syringe pusher including an antisiphon catch and a pressure detector which is used for detecting occlusions or the end of infusion. A syringe clamp for lo... | 11/16/1993 |
| 5259732 | Syringe pump with syringe barrel position detector A belt driven infusion pump for emptying the contents of a syringe is disclosed. The pump includes a syringe pusher including an anti-siphon catch and a pressure detector which is used for detecting occlusions or the end of infusion. A syringe clamp for l... | 11/09/1993 |
| 5254096 | Syringe pump with graphical display or error conditions A syringe pump is disclosed, having a housing, a motor driven pusher for pushing the plunger of a syringe and various transducers to determine error conditions in the placement of the syringe in the syringe pump, the pushing force of the pusher on the syr... | 10/19/1993 |
| 5242408 | Method and apparatus for determining pressure and detecting occlusions in a syringe pump A syringe pump is disclosed in which the pressure in the syringe is monitored. The syringe pump includes a force detector which detects the force on the plunger of the syringe. The force on the plunger of the syringe is converted into a force by means of ... | 09/07/1993 |
| 5242393 | Valved blunt cannula injection site An infusion site for infusing fluids into a patient is disclosed. The infusion site has a housing which supports a pre-slit resealable septum which is held in radial compression in the housing. The septum is opened by the insertion of a cannula. The housi... | 09/07/1993 |
| 5232449 | Syringe pump pusher A belt driven infusion pump for emptying the contents of a syringe is disclosed. The pump includes a syringe pusher including an antisiphon catch and a pressure detector which is used for detecting occlusions or the end of infusion. A syringe clamp for lo... | 08/03/1993 |
| 5219428 | Pole camp A belt driven infusion pump for emptying the contents of a syringe is disclosed. The pump includes a syringe pusher including an antisiphon catch and a pressure detector which is used for detecting occlusions or the end of infusion. A syringe clamp for lo... | 06/15/1993 |
| 5215528 | Catheter introducer assembly including needle tip shield An assembly for introducing a catheter into a blood vessel is provided. The assembly includes a needle hub having a needle secured thereto. The needle includes an elongate shaft having a bevelled tip. A portion of the needle shaft adjacent to the tip has ... | 06/01/1993 |
| 5215527 | Catheter introducer assembly As assembly is provided utilizing a combined catheter and introducer which cooperate to provide efficient infusion of drugs from the in-place assembly even on an intermittent basis with no return blood flow and without the need for any kind of involved va... | 06/01/1993 |
