Patent · US Active

Tri-ring syringe

US9987431B2 · kind B2 · utility

1Cited by

2References

9Claims

0Family size

Assignee

Beijing DBT Medi-Tech Development Co., Ltd. · CN

Inventors

Chun Li · Shandong, CN
Yunxing Liu · Maplewood, US

Key dates

Filing date	Jun 6, 2012
Grant date	Jun 5, 2018
Priority date	—
Expiry date	Jun 6, 2032

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M2205/6045
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A tri-ring syringe which includes a barrel (1) having a distal end and a proximal end. The proximal end of the barrel (1) is provided with a double ring handle. The syringe also includes a plunger (2) including a distal end and a proximal end, the proximal end of the plunger (2) being provided with a single ring handle (5), the distal end of the plunger (2) connecting with a rubber stopper (6) and being inserted into the interior of the barrel (1); and an insertion part (3) connected to the barrel (1) and rotating synchronously with the barrel. The invention allows the torque of the rotation of the barrel (1) to be transmitted outward.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.