Through the needle catheter insertion device and technique
US4957489A · kind A · utility
11Cited by
22References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 20, 1988 |
| Grant date | Sep 18, 1990 |
| Priority date | — |
| Expiry date | Oct 20, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M25/0637
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A through the needle catheter device is described which includes apparatus for threading a catheter into a blood vessel. The apparatus is irreversible during the threading process. The catheter device also includes means for irreversibly withdrawing and splitting the needle. A technique is provided for inserting the needle, threading the catheter, and withdrawing the needle from a patient.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.