ES2190713B1 - NEEDLE ASSEMBLY WITH PERFECTED IMMOBILIZER FOR THE APPLICATION OF RACHINE SURVEYS. - Google Patents
NEEDLE ASSEMBLY WITH PERFECTED IMMOBILIZER FOR THE APPLICATION OF RACHINE SURVEYS.Info
- Publication number
- ES2190713B1 ES2190713B1 ES200002857A ES200002857A ES2190713B1 ES 2190713 B1 ES2190713 B1 ES 2190713B1 ES 200002857 A ES200002857 A ES 200002857A ES 200002857 A ES200002857 A ES 200002857A ES 2190713 B1 ES2190713 B1 ES 2190713B1
- Authority
- ES
- Spain
- Prior art keywords
- needle
- introducer
- spinal
- immobilizer
- spinal needle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3401—Puncturing needles for the peridural or subarachnoid space or the plexus, e.g. for anaesthesia
Abstract
Conjunto de agujas con inmovilizador perfeccionado para la aplicación de anestesias raquídeas con agujas finas compuesto por una aguja raquídea de calibre reducido (25-G, 27-G, 29-G, ...) y un introductor. El sistema propuesto se basa en la geometría de los cuerpos de la aguja raquídea (10) e introductor (8), el primero de sección elíptica y el segundo cónica hueca. El prisma hueco situado dentro de este último cuerpo está definido por dos elipses giradas un ángulo menor o igual a 30° (18 y 19). El inmovilizador ejerce su función, una vez introducida la aguja raquídea (2) en el introductor (1) a la profundidad adecuada, girando 30° la aguja raquídea, hecho que produce una presión del cuerpo de la misma sobre las paredes internas del cuerpo del introductor, que inmoviliza suficientemente el movimiento longitudinal de la aguja raquídea. Al completar el giro de 30°, los extremos de los radios mayores de la elipse que define el cuerpo prismático de la aguja pasan de golpe de una posición de mayor tensión a una posición final de menor tensión en la que se queda fijado por presión y rozamiento, hecho que nota el anestesiólogo. Además, el nuevo sistema cuenta con características como la forma ergonómica de las cabezas de aguja (4) e introductor (16), el milimetrado de la superficie del cuerpo de la aguja (15) que indica la profundidad y el canal transparente (11) que permite la observación temprana de la salida de líquido cefalorraquídeo.Set of needles with immobilizer perfected for the application of spinal anesthesia with fine needles consisting of a spinal needle of reduced caliber (25-G, 27-G, 29-G, ...) and an introducer. The proposed system is based on the geometry of the spinal needle (10) and introducer (8) bodies, the first of elliptical section and the second hollow conical. The hollow prism located within this last body is defined by two ellipses rotated at an angle less than or equal to 30 ° (18 and 19). The immobilizer exerts its function, once the spinal needle (2) has been introduced into the introducer (1) at the proper depth, turning the spinal needle 30 °, which produces a pressure of the same body on the inner walls of the body of the introducer, which sufficiently immobilizes the longitudinal movement of the spinal needle. Upon completion of the 30 ° rotation, the ends of the larger radii of the ellipse that defines the prismatic body of the needle suddenly pass from a position of greater tension to a final position of less tension in which it is fixed by pressure and friction, a fact that the anesthesiologist notes. In addition, the new system has features such as the ergonomic shape of the needle heads (4) and introducer (16), the millimeter of the surface of the needle body (15) that indicates the depth and the transparent channel (11) which allows early observation of cerebrospinal fluid outflow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200002857A ES2190713B1 (en) | 2000-11-29 | 2000-11-29 | NEEDLE ASSEMBLY WITH PERFECTED IMMOBILIZER FOR THE APPLICATION OF RACHINE SURVEYS. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200002857A ES2190713B1 (en) | 2000-11-29 | 2000-11-29 | NEEDLE ASSEMBLY WITH PERFECTED IMMOBILIZER FOR THE APPLICATION OF RACHINE SURVEYS. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2190713A1 ES2190713A1 (en) | 2003-08-01 |
| ES2190713B1 true ES2190713B1 (en) | 2005-02-01 |
Family
ID=27675880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES200002857A Expired - Lifetime ES2190713B1 (en) | 2000-11-29 | 2000-11-29 | NEEDLE ASSEMBLY WITH PERFECTED IMMOBILIZER FOR THE APPLICATION OF RACHINE SURVEYS. |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES2190713B1 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5480389A (en) * | 1994-08-09 | 1996-01-02 | Becton, Dickinson And Company | Method and apparatus for adjusting the length of a combined spinal-epidural needle |
| EP0824894B1 (en) * | 1996-08-16 | 2003-03-12 | Smiths Group PLC | Needle assemblies |
| ES1037182Y (en) * | 1997-04-07 | 1998-07-01 | Sahagun De La Lastra Jesus | NEEDLES WITH IMMOBILIZER FOR THE APPLICATION OF SPIDER ANESTHESIA. |
| US5846226A (en) * | 1997-05-12 | 1998-12-08 | Urmey; William F. | Spinal-epidural administration system |
-
2000
- 2000-11-29 ES ES200002857A patent/ES2190713B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| ES2190713A1 (en) | 2003-08-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EC2A | Search report published |
Date of ref document: 20030801 Kind code of ref document: A1 |
|
| FG2A | Definitive protection |
Ref document number: 2190713B1 Country of ref document: ES |
|
| FA2A | Application withdrawn |
Effective date: 20051004 |