Combination needle shield/needle guard device positively locked onto detachable needle assemblies for an evacuated blood collection system and a hypodermic syringe
US4731059A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 14, 1986 |
| Grant date | Mar 15, 1988 |
| Priority date | — |
| Expiry date | Oct 14, 2006 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/312
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
This invention relates to a combination needle shield/needle guard device that is positively locked onto detachable needle assemblies for an evacuated blood collection system and for a hypodermic syringe. More particularly, this invention can: (1) function as a needle shield to enclose and prevent contamination of the sterile needle to be used for a medical procedure; (2) function as a needle guard which can slide on a length extension for either needle assembly, such that the needle can be uncovered or re-covered in a direction from behind the needle point, thereby providing a safety feature for the operator who can avoid direct contact with a used, blood-contaminated needle point. Avoidance of direct contact with used needle points will reduce the likelihood of contracting blood-borne infections such as AIDS, infectious hepatitis, syphilis etc. that might occur following accidental puncture with contaminated needles; (3) provide improved securing for an evacuated blood collection system between the double-ended needle assembly and the container holder, thereby preventing the double-ended needle assembly from unlocking with the container holder during the process of withdrawing bl…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.