US5306239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and set for spinal anesthesia
Assignee: Individual
•
Filing: 1993-07-30
•
Granted: 1994-04-26
•
Expires: 2013-07-30
Abstract
Abstract A spinal anaesthesia is performed with the use of a step and instruments for removing an antiseptic substance after its application of patient's skin for disinfection and before introduction of a spinal needle, to prevent contamination of central nervous system by the anticeptic substance which otherwise would be introduced with the needle tip.
Inventors
- 👤 Simon Gurmarnik
- 👤 Konstantin Kandror
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:27
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/34; A61B17/3401; A61B50/00; A61B50/30; A61B50/33; A61M; A61M25/00; A61M25/01; A61M25/0105; A61M25/0111
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
76 words
A method of spinal anesthesia, comprising the steps of applying an antiseptic substance on an area of patient's skin; administering an anesthetic substance into a spinal space by a spinal needle penetrating through said area of patient's skin; withdrawing the spinal needle from patient after said administering; and immediately before said administering, removing the antiseptic substance from the area of patient's skin to prevent penetration of the antiseptic substance through the patient's skin during said administering.
Claim 2
Independent Claim
76 words
A method of spinal anesthesia, comprising the steps of applying an antiseptic substance on an area of patient's skin; administering an anesthetic substance into a spinal space by a spinal needle penetrating through said area of patient's skin; withdrawing the spinal needle from patient after said administering; and immediately before said administering, removing the antiseptic substance from the area of patient's skin to prevent penetration of the antiseptic substance through the patient's skin during said administering.
Claim 3
Dependent Claim
40 words
A method as defined in claim 1, wherein said removing includes soaking the area of patients skin with a removing substance, rinsing the area with water, washing off the removing substance with water, and soaking up with an absorbent article.
Claim 4
Dependent Claim
32 words
A method as defined in claim 2, wherein said soaking, rinsing, washing off and soaking up is repeated several times before said administering step and during said removing step .one after another.
References Cited (Backward Citations)
US4128173A
Cited
US4917670A
Cited
US5209734A
Cited
US5085631A
Cited
US4994036A
Cited
US5160323A
Cited
US5106376A
Cited
US5232442A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-04-25 | 1997-10-25 | 1998-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-04-25 | 2001-10-25 | 2002-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-04-25 | 2005-10-25 | 2006-04-26 | $7700.00 | Window Closed / Lapsed |