DE29700761U1 - Converter for strongly curved grasping forceps - Google Patents
Converter for strongly curved grasping forcepsInfo
- Publication number
- DE29700761U1 DE29700761U1 DE29700761U DE29700761U DE29700761U1 DE 29700761 U1 DE29700761 U1 DE 29700761U1 DE 29700761 U DE29700761 U DE 29700761U DE 29700761 U DE29700761 U DE 29700761U DE 29700761 U1 DE29700761 U1 DE 29700761U1
- Authority
- DE
- Germany
- Prior art keywords
- converter
- grasping forceps
- strongly curved
- curved grasping
- keyhole
- 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
- 238000007789 sealing Methods 0.000 description 3
- 238000002324 minimally invasive surgery Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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
- A61B17/3498—Valves therefor, e.g. flapper valves, slide valves
-
- 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
- A61B17/3462—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals
-
- 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
- A61B17/3462—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals
- A61B2017/3466—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals for simultaneous sealing of multiple instruments
-
- 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
- A61B2017/347—Locking means, e.g. for locking instrument in cannula
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Description
Scarfi Ruit/Ostfildern, 28.12.9SScarfi Ruit/Ostfildern, 28.12.9S
rinngringing
Konverter für stark gebogene Faßzange ZusammenfassungConverter for strongly curved grasping forceps Summary
Die Erfindung betrifft einen Konverter für eine stark gebogene Faßzange für die Anwendung in der Minimalinvasiven Chirurgie.The invention relates to a converter for a strongly curved grasping forceps for use in minimally invasive surgery.
Stand der TechnikState of the art
Konverter sind Einsatzteile für Trokare zum Einführen von Instrumenten in den Operationsraum in der Minimalinvasiven Chirurgie. Vielfache Verwendung finden dabei auch stark gebogene Faßzangen. Problem dabei ist die Einführung dieser stark gebogenen Faßzangen durch einen entsprechenden Konverter und die sichere Abdichtung gegen das Austreten des für die Auffüllung des Operationsraumes benutzten Gases. Verwendete Konverter mitConverters are inserts for trocars for introducing instruments into the operating room in minimally invasive surgery. Strongly curved grasping forceps are also often used. The problem here is the introduction of these strongly curved grasping forceps through a corresponding converter and the secure sealing against the escape of the gas used to fill the operating room. Converters used with
entsprechend großem Durchmesser für die gebogene Faßzange werden mit sternförmig eingeschnittenen Dichtungen versehen, die weder eine einwandfreie Dichtung noch eine saubere Führung der Faßzange während des Gebrauchs gewährleisten. 25with a correspondingly large diameter for the curved grasping forceps are provided with star-shaped seals that neither ensure a perfect seal nor clean guidance of the grasping forceps during use. 25
Erfindunginvention
Der vorliegenden Erfindung liegt nun die Aufgabe zugrunde, einen Konverter so umzugestalten, daß sowohl die Einführung der stark gebogenen Faßzange als auch deren sichere Führung während des Gebrauchs gewährleistet wird. Eine weitere Ausgestaltung der Erfindung betrifft die die Ausführung einer entsprechenden Dichtung.The present invention is based on the task of redesigning a converter in such a way that both the insertion of the strongly curved grasping forceps and their safe guidance during use are ensured. A further embodiment of the invention relates to the design of a corresponding seal.
Dazu wird der Konverter an seinem Ende mit einem Teil abgeschlossen, das eine schlüssellochförmige Öffnung besitzt, hergestellt aus zwei Bohrungen mit größerem und kleinerem Durchmesser, verbunden durch einen Schlitz. Die größere Bohrung entspricht dem Durchmesser des Schafts der Faßzange, die damit leicht durch den Schlitz und die andere Bohrung eingeführtFor this purpose, the converter is closed at its end with a part that has a keyhole-shaped opening, made of two holes with a larger and smaller diameter, connected by a slot. The larger hole corresponds to the diameter of the shaft of the grasping forceps, which can then be easily inserted through the slot and the other hole
,werden kann. Die Faßzange wird damit während des Gebrauchs >sicher geführt. Die kleinere Bohrung bietet zusätzlich die Möglichkeit, ein weiteres Instrument einzuführen.,can be used. The grasping forceps are thus >safely guided during use. The smaller hole also offers the possibility of inserting another instrument.
Die weitere Ausgestaltug der Erfindung betrifft die zugehörige Dichtung zur Abdichtung der schlussellochformigen Öffnung. Entsprechend ihrem Verwendungszweck besteht sie aus einer Scheibe mit einem Loch an der Stelle der größeren Bohrung und ein erweiterbares Stichloch an der Stelle der kleineren BohrungThe further embodiment of the invention relates to the associated seal for sealing the keyhole-shaped opening. According to its intended use, it consists of a disc with a hole at the location of the larger hole and an expandable tap hole at the location of the smaller hole
10, des Schlüssellochs. Damit ist eine zuverlässige Abdichtung der Öffnungen gewährleistet. Um die Dichtung zu den Bohrungen richtig orientieren zu können, wird sie aus transparentem Material hergestellt.10, of the keyhole. This ensures reliable sealing of the openings. In order to be able to orient the seal correctly to the holes, it is made of transparent material.
Fig. 1 zeigt schematisch eine mögliche Ausführungsform der Erfindung. Dabei bezeichnet (1) den oberen Teil des Konverters mit der schlussellochformigen Öffnung (2) zur Einführung der stark gebogenen Faßzange. Fig. 2 zeigt schematisch eine mögliche Ausführungsform der transparenten Dichtung.Fig. 1 shows a possible embodiment of the invention schematically. (1) indicates the upper part of the converter with the keyhole-shaped opening (2) for inserting the strongly curved grasping forceps. Fig. 2 shows a possible embodiment of the transparent seal schematically.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29700761U DE29700761U1 (en) | 1997-01-17 | 1997-01-17 | Converter for strongly curved grasping forceps |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29700761U DE29700761U1 (en) | 1997-01-17 | 1997-01-17 | Converter for strongly curved grasping forceps |
Publications (1)
Publication Number | Publication Date |
---|---|
DE29700761U1 true DE29700761U1 (en) | 1998-05-20 |
Family
ID=8034687
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE29700761U Expired - Lifetime DE29700761U1 (en) | 1997-01-17 | 1997-01-17 | Converter for strongly curved grasping forceps |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE29700761U1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2119404A1 (en) * | 2008-05-14 | 2009-11-18 | Tyco Healthcare Group LP | Access assembly |
-
1997
- 1997-01-17 DE DE29700761U patent/DE29700761U1/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2119404A1 (en) * | 2008-05-14 | 2009-11-18 | Tyco Healthcare Group LP | Access assembly |
US8968251B2 (en) | 2008-05-14 | 2015-03-03 | Covidien Lp | Access assembly |
US9554825B2 (en) | 2008-05-14 | 2017-01-31 | Covidien Lp | Access assembly |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R086 | Non-binding declaration of licensing interest | ||
R207 | Utility model specification |
Effective date: 19980702 |
|
R156 | Lapse of ip right after 3 years |
Effective date: 20001101 |