DE19717253A1 - Hypodermic needle preventing coring and introduction of possibly dangerous tissues carrying micro-organisms into body - Google Patents
Hypodermic needle preventing coring and introduction of possibly dangerous tissues carrying micro-organisms into bodyInfo
- Publication number
- DE19717253A1 DE19717253A1 DE1997117253 DE19717253A DE19717253A1 DE 19717253 A1 DE19717253 A1 DE 19717253A1 DE 1997117253 DE1997117253 DE 1997117253 DE 19717253 A DE19717253 A DE 19717253A DE 19717253 A1 DE19717253 A1 DE 19717253A1
- Authority
- DE
- Germany
- Prior art keywords
- bevel
- needle
- needle according
- injections
- puncture
- 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.)
- Ceased
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3286—Needle tip design, e.g. for improved penetration
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/329—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles characterised by features of the needle shaft
- A61M5/3291—Shafts with additional lateral openings
Abstract
Description
Die Erfindung betrifft eine Injektions- und Punktionsnadel, bestehend aus einem länglichen Rohr, das an einer Seite mit einer eine Einstichspitze bildenden Abschrägung versehen ist.The invention relates to an injection and Puncture needle, consisting of an elongated tube, the on one side with a puncture tip Bevel is provided.
Eine Injektions- und Punktionsnadel der eingangs erwähnten Art ist bekannt und wird in der täglichen Praxis häufig verwendet. Bei dieser bekannten Nadel befindet sich die Öffnung zum Einbringen des Injektionsmittels bzw. zum Ansaugen von Punktionsmaterial in der die Einstichspitze bildenden Abschrägung.An injection and puncture needle at the beginning mentioned type is known and is used in daily Practice often used. With this known needle is the opening for inserting the Injection agent or for aspirating puncture material in the bevel forming the point of the puncture.
Dadurch wirkt diese Nadel beim Einstich in das Körpergewebe wie eine Stanze, die Haut- und Unterhautzylinder ausstanzt, die beim weiteren Vorgehen in die Tiefe mitgenommen werden und dort mit dem Injektionsmittel in die Vene, in die Arterie, in das Gelenk, in den Epiduralraum und dergleichen gespritzt werden. Dadurch können Bakterien tragende Fettschichten in die Tiefe mitgenommen werden, was Sekundärinfektionen und sogar maligne Veränderungen zur Folge haben kann. This makes this needle work when it is inserted Body tissue like a punch, the skin and Punch out the undercut cylinder, which is used in the further procedure be taken deep and there with the Injection into the vein, into the artery, into the Joint, injected into the epidural space and the like will. This allows bacteria-bearing layers of fat to be taken deep in what secondary infections and can even lead to malignant changes.
Bei diesen bekannten Nadeln besteht ferner die Gefahr, daß es bei häufig wiederholten Injektionen, beispielsweise bei Diabetikern, zu unerwünschter Traumatisierung mit daraus resultierender Narbenbildung und mit Resorptionsproblemen kommen kann. Ferner können Injektionen mit der bekannten Nadel in sensiblen Gegenden, beispielsweise im Epiduralraum, Kopfschmerzen verursachen.With these known needles there is also the risk of that with frequently repeated injections, for example in diabetics, too undesirable Traumatization with resulting scarring and can come up with absorption problems. Can also Injections with the known needle in sensitive Areas, for example in the epidural space, headache cause.
Der Erfindung liegt die Aufgabe zugrunde, eine Injektions- und Punktionsnadel der eingangs erwähnten Art anzugeben, die die vorstehend erwähnten Nachteile nicht hat, die insbesondere beim Einstich in das Körpergewebe keine Haut- und Unterhautzylinder ausstanzt, die beim weiteren Vorgehen in die Tiefe mitgenommen werden und dort Sekundärinfektionen und gegebenenfalls sogar maligne Veränderungen auslösen können.The invention has for its object a Injection and puncture needle of the type mentioned at the beginning specify the disadvantages mentioned above are not has, especially when puncturing the body tissue no skin and subcutaneous cylinders punched out in the further procedures are taken deeply and there secondary infections and possibly even malignant Can trigger changes.
Diese Aufgabe wird mit den Merkmalen des Anspruchs 1 dadurch gelöst, daß die Abschrägung undurchlässig verschlossen und die Nadelöffnung in dem Rohrmantel unmittelbar unterhalb der Einstichspitze angeordnet ist.This object is achieved with the features of claim 1 solved by making the bevel impermeable closed and the needle opening in the tube jacket is located immediately below the puncture tip.
Nach weiteren Ausgestaltungen der Erfindung ist vorgesehen, daß die Abschrägung geradlinig verläuft, konkav oder konvex gewölbt ist und kontinuierlich in den Rohrmantel übergeht, wobei an der oberen Seite der Abschrägung an die durch den schrägen Schnitt entstehende Ellipsenform zusätzlich eine schärfere Einstichspitze angeschliffen ist. According to further embodiments of the invention provided that the bevel is straight, is concave or convex and continuously in the Pipe jacket merges, being on the upper side of the Bevel to that created by the oblique cut Ellipse shape also a sharper puncture tip is sanded.
Nach einer vorteilhaften Weiterbildung der Erfindung ist ferner vorgesehen, daß die Nadelöffnung elliptisch oder rund geformt ist. Dadurch ist es möglich, die Nadelöffnung sehr dicht an der Einstichspitze anzuordnen, was dann wichtig ist, wenn ein gezieltes Punktieren und Injizieren erreicht werden soll, insbesondere bei kleinen Gewebsräumen, beispielsweise in Arterien oder im Epiduralraum. Solch ein gezieltes Punktieren und Injizieren ist mit Nadeln, bei denen der Abstand der Nadelöffnung von der Einstichspitze erheblich größer ist, nicht möglich.According to an advantageous development of the invention further provided that the needle opening is elliptical or is shaped round. This makes it possible to Arrange the needle opening very close to the puncture tip, which is important when targeted puncturing and Injecting should be achieved, especially with small ones Tissue spaces, for example in arteries or in Epidural space. Such targeted puncturing and Injecting is done using needles with the distance of the Needle opening from the puncture tip is considerably larger, not possible.
Nach einer weiteren Ausgestaltung der Erfindung ist vorgesehen, daß die Nadel für intravenöse Injektionen, für atraumatische Injektionen und Punktionen, für Injektionen in den Epiduralraum, für Injektionen in die Gelenke und für Gelenkpunktionen sowie für die Blutentnahme verwendbar ist.According to a further embodiment of the invention provided that the needle for intravenous injections, for atraumatic injections and punctures, for Injections in the epidural space, for injections in the Joints and for joint punctures as well as for the Blood collection is usable.
Die mit der Erfindung erzielten Vorteile bestehen insbesondere darin, daß die Injektions- und Punktionsnadel an ihrer Einstichspitze so gestaltet ist, daß sie nicht wie eine traumatische Stanze wirken und daß sie keine Haut- und Unterhautzylinder ausstanzen und in die Tiefe mitnehmen kann, so daß zum Beispiel Sekundärinfektionen sowie eventuell mögliche maligne Veränderungen wirksam vermieden werden.The advantages achieved with the invention exist especially in that the injection and Puncture needle is designed at its puncture tip, that they don't act like a traumatic punch and that they do not punch out any skin and subcutaneous cylinders and in can take the depth with them, so that for example Secondary infections and possible malignancies Changes can be avoided effectively.
Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher beschrieben. Es zeigen An embodiment of the invention is in the Drawing shown and will be described in more detail below described. Show it
Fig. 1 die Seitenansicht einer Injektions- und Punktionsnadel gemäß der Erfindung in drei verschiedenen Ausführungen (a, b und c) und Fig. 1 is a side view of an injection and puncture needle according to the invention in three different versions (a, b and c) and
Fig. 2 die ventrale Draufsicht (a) und die dorsale Draufsicht (b) auf eine solche Nadel. Fig. 2 shows the ventral top view (a) and the dorsal top view (b) of such a needle.
Die Injektions- und Punktionsnadel in den Fig. 1 und 2 besteht aus einem länglichen Rohr 1, vom dem nur die eine Seite mit einer Abschrägung 3, 4, 5 dargestellt ist, die an ihrem oberen Ende eine Einstichspitze 2 bildet.The injection and puncture needle in FIGS. 1 and 2 consists of an elongated tube 1 , of which only one side is shown with a bevel 3 , 4 , 5 , which forms a puncture tip 2 at its upper end.
Die Abschrägung 3, 4, 5 ist im Gegensatz zu den bekannten Nadeln undurchlässig verschlossen, während die zum Einbringen des Injektionsmittels bzw. zum Ansaugen von Punktionsmaterial erforderliche Nadelöffnung 6 in dem Rohrmantel 7 unmittelbar unterhalb der Einstichspitze 2 angeordnet ist.In contrast to the known needles, the bevel 3 , 4 , 5 is imperviously closed, while the needle opening 6 required for introducing the injection agent or for aspirating puncture material is arranged in the tubular jacket 7 directly below the puncture tip 2 .
Die Injektions- und Punktionsnadel kann zur Anpassung an verschiedene Verwendungsmöglichkeiten unterschiedlich ausgebildet sein. Nach Fig. 1a weist die Nadel eine geradlinig verlaufende Abschrägung 3 auf, nach Fig. 1b dagegen ist die Abschrägung 4 konkav gewölbt. Eine weitere Ausgestaltung zeigt Fig. 1c, in der die Abschrägung 5 konvex gewölbt ist und kontinuierlich in den Rohrmantel 7 übergeht, wodurch ein besonders kleiner Abstand zwischen der Nadelöffnung 6 und der Einstichspitze 2 erreicht werden kann. Die Abschrägung kann auf verschiedene Art gestaltet sein, sie muß aber ein atraumatisches Injizieren möglich machen, ebenso einen guten, zielgerichteten "Lauf" der Nadel im Gewebe.The injection and puncture needle can be designed differently to adapt to different possible uses. According to FIG. 1a, the needle has a straight bevel 3 , according to FIG. 1b, however, the bevel 4 is concave. A further embodiment is shown in FIG. 1c, in which the bevel is curved convexly 5 and merges continuously into the tubular sheath 7, whereby a particularly small gap between the needle 6 and opening of the puncture tip 2 can be achieved. The bevel can be designed in various ways, but it must make it possible to inject atraumatically, as well as a good, targeted "running" of the needle in the tissue.
Die Fig. 2 zeigt die ventrale Draufsicht (a) und die dorsale Draufsicht (b) auf eine erfindungsgemäße Nadel, wobei in der dorsalen Draufsicht die elliptische Nadelöffnung 6 dargestellt ist, während die ventrale Draufsicht die Nadel nach der Ausführungsform gemäß Fig. 1c zeigt. Außerdem zeigt die Fig. 2, daß an der oberen Seite der Abschrägung 3, 4, 5 an die durch den schrägen Schnitt entstehende Ellipsenform zusätzlich eine schärfere Einstichspitze 2 angeschliffen ist. Fig. 2 shows the ventral plan view (a) and the dorsal plan view (b) of an inventive needle, wherein in the dorsal plan view of the elliptical needle aperture 6 is shown, while the ventral plan view showing the needle according to the embodiment of FIG. 1c. In addition, FIG. 2 shows that at the upper side of the bevel 3, 4, 5 to the resultant by the oblique cut ellipse shape in addition a sharper piercing tip 2 is ground.
Claims (11)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1997117253 DE19717253A1 (en) | 1997-04-24 | 1997-04-24 | Hypodermic needle preventing coring and introduction of possibly dangerous tissues carrying micro-organisms into body |
DE29807150U DE29807150U1 (en) | 1997-04-24 | 1998-04-21 | Injection and puncture needle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1997117253 DE19717253A1 (en) | 1997-04-24 | 1997-04-24 | Hypodermic needle preventing coring and introduction of possibly dangerous tissues carrying micro-organisms into body |
Publications (1)
Publication Number | Publication Date |
---|---|
DE19717253A1 true DE19717253A1 (en) | 1998-10-29 |
Family
ID=7827572
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1997117253 Ceased DE19717253A1 (en) | 1997-04-24 | 1997-04-24 | Hypodermic needle preventing coring and introduction of possibly dangerous tissues carrying micro-organisms into body |
DE29807150U Expired - Lifetime DE29807150U1 (en) | 1997-04-24 | 1998-04-21 | Injection and puncture needle |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE29807150U Expired - Lifetime DE29807150U1 (en) | 1997-04-24 | 1998-04-21 | Injection and puncture needle |
Country Status (1)
Country | Link |
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DE (2) | DE19717253A1 (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004024219A1 (en) * | 2002-09-10 | 2004-03-25 | Becton Dickinson And Company | Method and apparatus for epidermal delivery of a substance |
WO2004035118A1 (en) * | 2002-10-17 | 2004-04-29 | Hans Haindl | Method for producing a cannula used specially for a spinal anaesthesia |
EP1625870A2 (en) * | 2000-06-29 | 2006-02-15 | Becton, Dickinson and Company | Needle for intradermal delivery of substances having penetration limiting means |
US20210220044A1 (en) * | 2012-10-29 | 2021-07-22 | Ablative Solutions, Inc. | Peri-vascular tissue ablation catheters |
US11751787B2 (en) | 2013-10-25 | 2023-09-12 | Ablative Solutions, Inc. | Intravascular catheter with peri-vascular nerve activity sensors |
US11759608B2 (en) | 2011-08-24 | 2023-09-19 | Ablative Solutions, Inc. | Intravascular fluid catheter with minimal internal fluid volume |
US11937933B2 (en) | 2013-10-25 | 2024-03-26 | Ablative Solutions, Inc. | Apparatus for effective ablation and nerve sensing associated with denervation |
US11964113B2 (en) | 2011-04-22 | 2024-04-23 | Ablative Solutions, Inc. | Expandable catheter system for peri-ostial injection and muscle and nerve fiber ablation |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2767583B1 (en) * | 1997-08-20 | 1999-10-22 | Junior Instruments | DEVICE FOR THE COLLECTION AND / OR INJECTION INSIDE A MOUTH SAMPLE TUBE |
US8172802B2 (en) | 2008-11-24 | 2012-05-08 | Dartmouth-Hitchcock Clinic | Intravascular needle and catheter assembly |
US8603037B1 (en) | 2011-04-11 | 2013-12-10 | Dartmouth-Hitchcock Clinic | Intravascular needle and catheter assembly and grip for the same |
CN110478569B (en) * | 2019-08-16 | 2021-07-16 | 吉林大学 | Anti-needle-drop bionic pain-relieving intravenous injection needle head |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE621770C (en) * | 1935-11-13 | Bruno Griessemann Dr | Cannulas for medical injections into the body tissue as well as for suction from the body tissue | |
US4383530A (en) * | 1981-06-05 | 1983-05-17 | John Bruno | Hypodermic needle and method of making needles |
US4838877A (en) * | 1985-08-06 | 1989-06-13 | Massau Bruce A | Polymeric hypodermic device |
DE4109864A1 (en) * | 1991-03-26 | 1992-10-08 | Johann Dr Med Rull | Stamp-free injection cannula for medical and industrial use - prevents pus formation due to so-called plastics punctures, and works on basis of cannula points being fully enclosed |
US5449351A (en) * | 1993-09-09 | 1995-09-12 | Zohmann; Walter A. | Atraumatic needle for lumbar puncture |
US5478328A (en) * | 1992-05-22 | 1995-12-26 | Silverman; David G. | Methods of minimizing disease transmission by used hypodermic needles, and hypodermic needles adapted for carrying out the method |
EP0727187A1 (en) * | 1995-02-15 | 1996-08-21 | Joseph Eldor | Multiple hole spinal needle |
DE19512607A1 (en) * | 1995-04-04 | 1996-10-10 | Johann Dr Med Rull | Completely tragmentation-free cannulas |
DE29612370U1 (en) * | 1996-07-21 | 1996-11-28 | Bachmann Walter Dr Med | Hypotraumatic cannula (injection cannula with reducing traumatizing effect) |
-
1997
- 1997-04-24 DE DE1997117253 patent/DE19717253A1/en not_active Ceased
-
1998
- 1998-04-21 DE DE29807150U patent/DE29807150U1/en not_active Expired - Lifetime
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE621770C (en) * | 1935-11-13 | Bruno Griessemann Dr | Cannulas for medical injections into the body tissue as well as for suction from the body tissue | |
US4383530A (en) * | 1981-06-05 | 1983-05-17 | John Bruno | Hypodermic needle and method of making needles |
US4838877A (en) * | 1985-08-06 | 1989-06-13 | Massau Bruce A | Polymeric hypodermic device |
DE4109864A1 (en) * | 1991-03-26 | 1992-10-08 | Johann Dr Med Rull | Stamp-free injection cannula for medical and industrial use - prevents pus formation due to so-called plastics punctures, and works on basis of cannula points being fully enclosed |
US5478328A (en) * | 1992-05-22 | 1995-12-26 | Silverman; David G. | Methods of minimizing disease transmission by used hypodermic needles, and hypodermic needles adapted for carrying out the method |
US5449351A (en) * | 1993-09-09 | 1995-09-12 | Zohmann; Walter A. | Atraumatic needle for lumbar puncture |
US5573519A (en) * | 1993-09-09 | 1996-11-12 | Zohmann; Walter A. | Atraumatic needle for lumbar puncture |
EP0727187A1 (en) * | 1995-02-15 | 1996-08-21 | Joseph Eldor | Multiple hole spinal needle |
DE19512607A1 (en) * | 1995-04-04 | 1996-10-10 | Johann Dr Med Rull | Completely tragmentation-free cannulas |
DE29612370U1 (en) * | 1996-07-21 | 1996-11-28 | Bachmann Walter Dr Med | Hypotraumatic cannula (injection cannula with reducing traumatizing effect) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1625870A2 (en) * | 2000-06-29 | 2006-02-15 | Becton, Dickinson and Company | Needle for intradermal delivery of substances having penetration limiting means |
EP1625870A3 (en) * | 2000-06-29 | 2006-04-19 | Becton, Dickinson and Company | Needle for intradermal delivery of substances having penetration limiting means |
WO2004024219A1 (en) * | 2002-09-10 | 2004-03-25 | Becton Dickinson And Company | Method and apparatus for epidermal delivery of a substance |
AU2003273306B2 (en) * | 2002-09-10 | 2009-04-30 | Becton, Dickinson And Company | Method and apparatus for epidermal delivery of a substance |
WO2004035118A1 (en) * | 2002-10-17 | 2004-04-29 | Hans Haindl | Method for producing a cannula used specially for a spinal anaesthesia |
US7458142B2 (en) | 2002-10-17 | 2008-12-02 | Hans Haindl | Method for producing a cannula used specially for a spinal anaesthesia |
US11964113B2 (en) | 2011-04-22 | 2024-04-23 | Ablative Solutions, Inc. | Expandable catheter system for peri-ostial injection and muscle and nerve fiber ablation |
US11759608B2 (en) | 2011-08-24 | 2023-09-19 | Ablative Solutions, Inc. | Intravascular fluid catheter with minimal internal fluid volume |
US20210220044A1 (en) * | 2012-10-29 | 2021-07-22 | Ablative Solutions, Inc. | Peri-vascular tissue ablation catheters |
US11944373B2 (en) * | 2012-10-29 | 2024-04-02 | Ablative Solutions, Inc. | Peri-vascular tissue ablation catheters |
US11751787B2 (en) | 2013-10-25 | 2023-09-12 | Ablative Solutions, Inc. | Intravascular catheter with peri-vascular nerve activity sensors |
US11937933B2 (en) | 2013-10-25 | 2024-03-26 | Ablative Solutions, Inc. | Apparatus for effective ablation and nerve sensing associated with denervation |
Also Published As
Publication number | Publication date |
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DE29807150U1 (en) | 1998-08-27 |
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Legal Events
Date | Code | Title | Description |
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OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
8110 | Request for examination paragraph 44 | ||
8131 | Rejection |