Inventor

ZHU NI

US37 patents

⚠️ This page may combine multiple inventors who share the name “ZHU NI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ZHU NI

RETRACTABLE TECHNOLOGIES INC

Retractable dental syringe

Needle retraction apparatus

IV catheter introducer

Medical device with sliding frontal attachment and retractable needle

Retractable needle for blood gas sampling

Needle retraction apparatus

Housing for collection device for bodily fluids

Syringe with barrel having flat top and bottom surface portions

Syringe with offset needle retraction chamber and frontal attachment

Frontal attachment for medical device

Blood collection tube holder with offset needle retraction chamber and frontal attachment

Slimline syringe with offset needle retraction chamber and frontal attachment

Combined medical device with sliding frontal attachment and retractable needle

Fluid flow control device with retractable cannula

Frontal attachment device for syringe with pinch-activated retraction

Housing for blood collection set

Combined medical device with sliding frontal attachment and retractable needle

IV catheter with retractable needle and laterally offset biasing element and needle retraction cavity

Blood collection tube holder with slide-activated needle retraction

Frontal attachment device for syringe with pinch-activated needle retraction

Fluid flow control device with retractable cannula

Frontal attachment device for syringe with rotationally activated retractable needle

Blood collection tube holder with single needle

Syringe with flat indicia display surface

Frontal attachment device for syringe with rotationally activated retractable needle

Universal dosage verification system and method for medical syringe

Dosage verification system and method for safety syringe

Syringe exchange device

Syringe with multifunctional needle holder and retainer ring assembly

Medical device with selectively retractable needle cap

SHAW THOMAS J

Cleaning tool

Fluid flow control device with retractable cannula

Housing for collection device for bodily fluids

Blood draw device with retractable needle

Non-reusable collection device for bodily fluids

Syringe with retractable needle and moveable plunger seal

Syringe with recessed nose and protective guard for use with frontal attachments