DE20305093U1 - Koaxialkanüle mit Dichtelement - Google Patents

Koaxialkanüle mit Dichtelement

Info

Publication number
DE20305093U1
DE20305093U1 DE20305093U DE20305093U DE20305093U1 DE 20305093 U1 DE20305093 U1 DE 20305093U1 DE 20305093 U DE20305093 U DE 20305093U DE 20305093 U DE20305093 U DE 20305093U DE 20305093 U1 DE20305093 U1 DE 20305093U1
Authority
DE
Germany
Prior art keywords
coaxial cannula
sealing element
stopper
cap
needle unit
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
Application number
DE20305093U
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bard Dublin ITC Ltd
Original Assignee
Heske Norbert F
Heske Thomas
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Heske Norbert F, Heske Thomas filed Critical Heske Norbert F
Priority to DE20305093U priority Critical patent/DE20305093U1/de
Publication of DE20305093U1 publication Critical patent/DE20305093U1/de
Priority to US10/549,820 priority patent/US7645239B2/en
Priority to JP2006504905A priority patent/JP4476279B2/ja
Priority to DE502004004649T priority patent/DE502004004649D1/de
Priority to AU2004226795A priority patent/AU2004226795A1/en
Priority to MXPA05010443A priority patent/MXPA05010443A/es
Priority to ES04724000T priority patent/ES2290687T3/es
Priority to CA2520607A priority patent/CA2520607C/en
Priority to AT04724000T priority patent/ATE369796T1/de
Priority to PCT/EP2004/003327 priority patent/WO2004086977A1/de
Priority to EP04724000A priority patent/EP1620016B1/de
Priority to US11/680,917 priority patent/US7740598B2/en
Priority to US12/628,619 priority patent/US8845547B2/en
Anticipated expiration legal-status Critical
Priority to US14/485,847 priority patent/US9706980B2/en
Priority to US15/600,061 priority patent/US9980706B2/en
Priority to US15/918,064 priority patent/US11071529B2/en
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
    • A61B10/02—Instruments for taking cell samples or for biopsy
    • A61B10/0233—Pointed or sharp biopsy instruments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
    • A61B10/02—Instruments for taking cell samples or for biopsy
    • A61B10/0233—Pointed or sharp biopsy instruments
    • A61B10/0266—Pointed or sharp biopsy instruments means for severing sample
    • A61B10/0275—Pointed or sharp biopsy instruments means for severing sample with sample notch, e.g. on the side of inner stylet
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
    • A61B10/02—Instruments for taking cell samples or for biopsy
    • A61B10/0233—Pointed or sharp biopsy instruments
    • A61B10/0283—Pointed or sharp biopsy instruments with vacuum aspiration, e.g. caused by retractable plunger or by connected syringe
    • 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
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • 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
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B17/3421—Cannulas
    • 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
    • A61B17/3498—Valves therefor, e.g. flapper valves, slide valves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
    • G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
    • 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
    • A61B17/3474—Insufflating needles, e.g. Veress needles

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt

Claims (4)

1. In ein Gewebe einsetzbare Koaxialkanüle, in die zur Entnahme von Gewebe eine Biopsienadeleinheit mit Probeentnahmeraum sowie eine die Biopsienadel koaxial an der Außenwand umgebende, längsverschiebliche Probenabtrenneinrichtung aufweist, und wobei die Koaxialkanüle am proximalen Ende ein Dichtelement aufweist, das den Raum zwischen Koaxialkanüleninnenwand und Außenwand der Probenabtrenneinrichtung umschließt, dadurch gekennzeichnet, dass das Dichtelement (3) beim Einschieben der Nadeleinheit den Luftaustritt freigibt, und das nach dem Positionieren der Nadeleinheit und Anlegen eines Vakuums im Biopsienadelinnenraum einen Lufteintritt verhindert.
2. Koaxialkanüle nach Anspruch 1, dadurch gekennzeichnet, dass ein schlauchartiges Dichtelement (3) über das proximale Ende des Koaxialkanülenrohres (1) geschoben wird, dessen Innendurchmesser so bemessen ist, dass es einen geringen Spalt zwischen Dichtelement und Biopsienadeleinheit (9) frei lässt, und dass die Elastizität des Dichtelements (3) so bemessen ist, dass bei geringfügigem Unterdruck im Spalt zwischen Außenwand der Nadeleinheit (9) oder der Probenabtrenneinrichtung (21) und der Innenwand der Koaxialkanüle das proximale Ende des Dichtelements an der Nadeleinheit oder der Probenabtrenneinrichtung dichtend zur Anlage kommt.
3. Koaxialkanüle nach Anspruch 1 und 2, dadurch gekennzeichnet, dass bei Verwendung eines Biopsiegerätes mit Führungsrolle (13) an der distalen Fläche der Führungsrolle ein Stopfen (14) mit Dichtelementen (16, 17) vorgesehen ist, der in ein Gegenstück (15) am proximalen Ende der Kappe der Koaxialkanüle eingefügt wird, so dass die Öffnung kurz vor dem Aufsetzen der distalen Fläche der Führungsrolle auf die proximale Fläche der Kappe der Koaxialkanüle verschlossen wird.
4. Koaxialkanüle nach Anspruch 1, dadurch gekennzeichnet, dass bei Verwendung eines Zwischenstückes (18) zwischen der distalen Stirnfläche der Führungsrolle mit Stopfen (14) und der proximalen Stirnfläche der Kappe mit Gegenstück das Zwischenstück proximalseitig ein Gegenkupplungsteil in Art einer Innenbohrung aufweist, in die der Stopfen der Führungsrolle (13) mit Dichtelementen eingesetzt wird und dass distalseitig das Zwischenstück (18) einen Stopfen mit Dichtelementen (19) aufweist, der in das proximalseitige Gegenstück der Kappe der Koaxialkanüle eingesetzt wird.
DE20305093U 2003-03-29 2003-03-29 Koaxialkanüle mit Dichtelement Expired - Lifetime DE20305093U1 (de)

Priority Applications (16)

Application Number Priority Date Filing Date Title
DE20305093U DE20305093U1 (de) 2003-03-29 2003-03-29 Koaxialkanüle mit Dichtelement
JP2006504905A JP4476279B2 (ja) 2003-03-29 2004-03-29 密封部材を備えた同軸カニューレ
AT04724000T ATE369796T1 (de) 2003-03-29 2004-03-29 Koaxialkan le mit dichtelement
EP04724000A EP1620016B1 (de) 2003-03-29 2004-03-29 Koaxialkan le mit dichtelement
DE502004004649T DE502004004649D1 (de) 2003-03-29 2004-03-29 Koaxialkan le mit dichtelement
AU2004226795A AU2004226795A1 (en) 2003-03-29 2004-03-29 Coaxial cannula provided with a sealing element
MXPA05010443A MXPA05010443A (es) 2003-03-29 2004-03-29 Canula coaxial provista con un elemento de sello.
ES04724000T ES2290687T3 (es) 2003-03-29 2004-03-29 Canula coaxial con elemento de hermetizacion.
CA2520607A CA2520607C (en) 2003-03-29 2004-03-29 Coaxial cannula with sealing element
US10/549,820 US7645239B2 (en) 2003-03-29 2004-03-29 Coaxial cannula provided with a sealing element
PCT/EP2004/003327 WO2004086977A1 (de) 2003-03-29 2004-03-29 Koaxialkanüle mit dichtelement
US11/680,917 US7740598B2 (en) 2003-03-29 2007-03-01 Coaxial cannula provided with a sealing element
US12/628,619 US8845547B2 (en) 2003-03-29 2009-12-01 Cannula provided with a sealing element for use in a medical procedure
US14/485,847 US9706980B2 (en) 2003-03-29 2014-09-15 Cannula provided with a sealing element for use in a medical procedure
US15/600,061 US9980706B2 (en) 2003-03-29 2017-05-19 Cannula provided with a sealing element for use in a medical procedure
US15/918,064 US11071529B2 (en) 2003-03-29 2018-03-12 Cannula provided with a sealing element for use in a medical procedure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20305093U DE20305093U1 (de) 2003-03-29 2003-03-29 Koaxialkanüle mit Dichtelement

Publications (1)

Publication Number Publication Date
DE20305093U1 true DE20305093U1 (de) 2003-09-11

Family

ID=28051430

Family Applications (2)

Application Number Title Priority Date Filing Date
DE20305093U Expired - Lifetime DE20305093U1 (de) 2003-03-29 2003-03-29 Koaxialkanüle mit Dichtelement
DE502004004649T Expired - Lifetime DE502004004649D1 (de) 2003-03-29 2004-03-29 Koaxialkan le mit dichtelement

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE502004004649T Expired - Lifetime DE502004004649D1 (de) 2003-03-29 2004-03-29 Koaxialkan le mit dichtelement

Country Status (10)

Country Link
US (6) US7645239B2 (de)
EP (1) EP1620016B1 (de)
JP (1) JP4476279B2 (de)
AT (1) ATE369796T1 (de)
AU (1) AU2004226795A1 (de)
CA (1) CA2520607C (de)
DE (2) DE20305093U1 (de)
ES (1) ES2290687T3 (de)
MX (1) MXPA05010443A (de)
WO (1) WO2004086977A1 (de)

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US9706980B2 (en) 2017-07-18

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