WO2002043795A1 - Spray catheter - Google Patents

Spray catheter Download PDF

Info

Publication number
WO2002043795A1
WO2002043795A1 PCT/EP2001/013969 EP0113969W WO0243795A1 WO 2002043795 A1 WO2002043795 A1 WO 2002043795A1 EP 0113969 W EP0113969 W EP 0113969W WO 0243795 A1 WO0243795 A1 WO 0243795A1
Authority
WO
WIPO (PCT)
Prior art keywords
spray
catheter according
liquid outlet
catheter
spray head
Prior art date
Application number
PCT/EP2001/013969
Other languages
German (de)
French (fr)
Inventor
Herbert Maslanka
Original Assignee
Herbert Maslanka
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 Herbert Maslanka filed Critical Herbert Maslanka
Priority to DE10195131T priority Critical patent/DE10195131D2/en
Priority to AU2002217073A priority patent/AU2002217073A1/en
Publication of WO2002043795A1 publication Critical patent/WO2002043795A1/en

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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
    • A61M25/007—Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
    • A61M2025/0073—Tip designed for influencing the flow or the flow velocity of the fluid, e.g. inserts for twisted or vortex flow

Abstract

The invention relates to a spray catheter (1) that can be introduced into a cavity of a human body for spraying a liquid, in particular a stain, onto the wall (W) of the cavity. Said catheter comprises: at the proximal end, a catheter tube (3) that can be connected to a liquid feed device (7) and at the distal end of the catheter tube (3) a spray head (5) with liquid outlets (9). The liquid outlets (9) open into a surface zone (5a) of the spray head (5), said zone being radially offset in relation to the longitudinal axis (L-L) of the catheter, in such a way that the liquid predominantly flows away from the longitudinal axis of the catheter (L-L). This orientation of the liquid outlets (9) allows the liquid to be applied to the cavity wall in a more targeted manner.

Claims

- 9 - - 9 -
AnsprücheExpectations
1 . In einen Hohlraum eines menschlichen Körpers einzuführender Sprühkatheter (1 ) zum Sprühen einer Flüssigkeit, insbesondere einer1 . Spray catheter (1) to be inserted into a cavity of a human body for spraying a liquid, in particular a liquid
Färbeflüssigkeit, auf die Wand (W) des Hohlraums, umfassend: ein an seinem proximalen Ende mit einer Flüssigkeitszufuhrvorrichtung (7) zu verbindendes Katheterrohr (3) und einen am distalen Ende des Katheterrohrs (3) angeordneten, zumindest eine Flüssigkeitsaustrittsöffnung (9) aufweisendenStaining liquid, on the wall (W) of the cavity, comprising: a catheter tube (3) to be connected at its proximal end to a liquid supply device (7) and a catheter tube (3) arranged at the distal end of the catheter tube (3) and having at least one liquid outlet opening (9)
Sprühkopf (5), dadurch gekennzeichnet, dass mehrere Flüssigkeitsaustrittsöffnungen (9) in einem von der Katheter-Längsachse (L-L) radial versetzten Oberflächenbereich (5a) des Sprühkopfs (5) münden, so dass die Flüssigkeit überwiegend in Richtung von der Längsachse (L-L) weg austritt.Spray head (5), characterized in that a plurality of liquid outlet openings (9) open into a surface area (5a) of the spray head (5) radially offset from the longitudinal axis (LL) of the catheter, so that the liquid predominantly in the direction of the longitudinal axis (LL) exits.
2. Sprühkatheter nach Anspruch 1 , dadurch gekennzeichnet, dass die mehreren Flüssigkeitsaustrittsöffnungen (9) über den Umfang des Sprühkopfs (5) verteilt sind.2. Spray catheter according to claim 1, characterized in that the plurality of liquid outlet openings (9) are distributed over the circumference of the spray head (5).
3. Sprühkatheter nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die mehreren Flüssigkeitsaustrittsöffnungen (9) in zumindest einer zur Katheter-Längsachse (L-L) normalen Querschnittsebene (E) liegen.3. Spray catheter according to claim 1 or 2, characterized in that the plurality of liquid outlet openings (9) lie in at least one cross-sectional plane (E) normal to the longitudinal axis of the catheter (L-L).
4. Sprühkatheter nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass die Flüssigkeitsaustrittsöffnungen (9) auf mehrere axial versetzte, zur Katheter-Längsachse (L-L) normale Querschnittsebenen (E, E') verteilt sind. - 10 -4. Spray catheter according to claim 2 or 3, characterized in that the liquid outlet openings (9) are distributed over several axially offset, normal to the catheter longitudinal axis (LL) cross-sectional planes (E, E '). - 10 -
5. Sprühkatheter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Flüssigkeitsaustrittsöffnungen (9) von außen betrachtet kreisförmig ist.5. Spray catheter according to one of the preceding claims, characterized in that the liquid outlet openings (9) is circular when viewed from the outside.
6. Sprühkatheter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Öffnungsweite bzw. der Durchmesser (d) der jeweiligen Flüssigkeitsaustrittsöffnung 0,01 bis 0,4 mm, bevorzugt 0,03 bis 0,25 mm, speziell bevorzugt 0,05 mm bis 0, 1 mm beträgt.6. Spray catheter according to one of the preceding claims, characterized in that the opening width or the diameter (d) of the respective liquid outlet opening 0.01 to 0.4 mm, preferably 0.03 to 0.25 mm, particularly preferably 0.05 mm is up to 0.1 mm.
7. Sprühkatheter nach einem der Ansprüche 2 bis 6, dadurch gekennzeichnet, dass der Abstand (a) zwischen zwei benachbarten Flüssigkeitsaustrittsöffnungen (9) dem 0,3 bis 4fachen, bevorzugt 0,5 bis I fachen ihrer Öffnungsweite bzw. ihres Durchmessers (d) ent- spricht.7. Spray catheter according to one of claims 2 to 6, characterized in that the distance (a) between two adjacent liquid outlet openings (9) 0.3 to 4 times, preferably 0.5 to I times their opening width or their diameter (d) corresponds.
8. Sprühkatheter nach einem der Ansprüche 2 bis 7, dadurch gekennzeichnet, dass benachbarte Flüssigkeitsaustrittsöffnungen einen Abstand kleiner als 0,4 mm, bevorzugt zwischen 0,05 mm und 0,2 mm haben.8. Spray catheter according to one of claims 2 to 7, characterized in that adjacent liquid outlet openings have a distance of less than 0.4 mm, preferably between 0.05 mm and 0.2 mm.
9. Sprühkatheter nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass ein von einer Kammer ( 1 1 ) im Sprühkopf (5) zu der jeweiligen Flüssigkeitsaustrittsöffnung (9) führender Kanal (1 3') orthogonal zur die Flüssigkeitsaustrittsöffnung (9) enthaltenden9. Spray catheter according to one of claims 1 to 8, characterized in that one of a chamber (1 1) in the spray head (5) to the respective liquid outlet opening (9) leading channel (1 3 ') orthogonal to the liquid outlet opening (9) containing
Umfangswandabschnitt des Sprühkopfs (5) oder orthogonal zur Katheter-Längsachse (L-L) verläuft.Circumferential wall section of the spray head (5) or orthogonal to the catheter longitudinal axis (L-L).
1 0. Sprühkatheter nach einem der Ansprüche 1 bis 8, dadurch gekenn- zeichnet, dass ein von der Kammer -(1 1 ) im Sprühkopf (5) zu der jeweiligen Flüssigkeitsaustrittsöffnung (9) führender Kanal ( 1 3" bzw. - 1 1 -1 0. Spray catheter according to one of claims 1 to 8, characterized in that a channel (1 3 "or from the chamber - (1 1) in the spray head (5) to the respective liquid outlet opening (9) or - 1 1 -
13"') schräg zur Katheter-Längsachse (L-L) oder.in Umfangsrichtung (U) geneigt verläuft.13 "') at an angle to the longitudinal axis of the catheter (L-L) or inclined in the circumferential direction (U).
1 . Sprühkatheter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der von einer Kammer (1 1 ) im Sprühkopf (5) zur jeweiligen Flüssigkeitsaustrittsöffnung (9) führende Kanal (13) als zylinderförmige Bohrung ausgeführt ist.1 . Spray catheter according to one of the preceding claims, characterized in that the channel (13) leading from a chamber (11) in the spray head (5) to the respective liquid outlet opening (9) is designed as a cylindrical bore.
2. Sprühkatheter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Dicke (D) der die Flüssigkeitsaustrittsöffnungen (9) enthaltenden Wand des Sprühkopfs (5) 0,05 mm bis 0,3 mm, bevorzugt 0, 1 bis 0,2 mm beträgt.2. Spray catheter according to one of the preceding claims, characterized in that the thickness (D) of the wall of the spray head (5) containing the liquid outlet openings (9) contains 0.05 mm to 0.3 mm, preferably 0.1 to 0.2 mm is.
3. Sprühkatheter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Sprühkopf (5) zur Katheter-Längsachse (L-3. Spray catheter according to one of the preceding claims, characterized in that the spray head (5) to the catheter longitudinal axis (L-
L) rotationssymmetrisch ausgeführt ist.L) is rotationally symmetrical.
4. Sprühkatheter nach Anspruch 13, dadurch gekennzeichnet, dass der Außendurchmesser (A) des Sprühkopfs 0,5 bis 5 mm, bevorzugt 1 ,5 bis 2,5 mm beträgt.4. Spray catheter according to claim 13, characterized in that the outer diameter (A) of the spray head is 0.5 to 5 mm, preferably 1.5 to 2.5 mm.
5. Sprühkatheter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Sprühkopf (5) zylinderförmig ausgeführt ist, wobei die Flüssigkeitsaustrittsöffnungen (9) in der Zylinderman- telfläche (5a) münden.5. Spray catheter according to one of the preceding claims, characterized in that the spray head (5) is cylindrical, the liquid outlet openings (9) opening into the cylinder jacket surface (5a).
6. Sprühkatheter nach Anspruch 1 5, dadurch gekennzeichnet, dass die distale Stirnfläche (5b) des Zylinders (5) geschlossen ist.6. Spray catheter according to claim 1 5, characterized in that the distal end face (5b) of the cylinder (5) is closed.
7. Sprühkatheter nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, dass zumindest ein distaler Abschnitt (53) des Sprühkopfs - 1 2 -7. Spray catheter according to one of claims 1 to 14, characterized in that at least one distal section (53) of the spray head - 1 2 -
(50) kegelförmig ausgeführt ist, wobei die Flüssigkeitsaustrittsöffnungen (9) in der Kegelmantelfläche (53a) münden.(50) is conical, the liquid outlet openings (9) opening into the conical surface (53a).
1 8. Sprühkatheter nach Anspruch 1 7, dadurch gekennzeichnet, dass ein proximaler Abschnitt (51 ) des Sprühkopfs (50) zylinderförmig ausgeführt ist, dessen Zylindermantelfläche (51 a) sich an die Kegelmantelfläche (53a) des distalen Abschnitts (53) anschließt.1 8. Spray catheter according to claim 1 7, characterized in that a proximal section (51) of the spray head (50) is cylindrical, the cylinder jacket surface (51 a) adjoins the cone jacket surface (53a) of the distal section (53).
1 9. Sprühkatheter nach Anspruch 1 8, dadurch gekennzeichnet, dass die Zylindermantelfläche (51 a) als geschlossene Führungsfläche ausgeführt ist.1 9. Spray catheter according to claim 1 8, characterized in that the cylindrical jacket surface (51 a) is designed as a closed guide surface.
20. Sprühkatheter nach Anspruch 18, dadurch gekennzeichnet, dass auch in der Zylindermantelfläche (51 a') zumindest eine Flüssigkeits- austrittsöffnung (9) mündet.20. The spray catheter according to claim 18, characterized in that at least one liquid outlet opening (9) also opens into the cylinder jacket surface (51 a ').
21 . Sprühkatheter nach einem der Ansprüche 1 7 bis 20, dadurch gekennzeichnet, dass der Sprühkopf (5) im Bereich seiner Kegelspitze (50b) geschlossen ist.21. Spray catheter according to one of Claims 1 7 to 20, characterized in that the spray head (5) is closed in the region of its cone tip (50b).
22. Sprühkatheter nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, dass der Sprühkopf kugelabschnittförmig, insbesondere halbkugelförmig ausgebildet ist.22. Spray catheter according to one of claims 1 to 14, characterized in that the spray head is spherical, in particular hemispherical.
23. Sprühkatheter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Sprühkopf (5) wenigstens 10, vorzugsweise wenigstens 50 Flüssigkeitsaustrittsöffnungen (9) aufweist. 23. Spray catheter according to one of the preceding claims, characterized in that the spray head (5) has at least 10, preferably at least 50 liquid outlet openings (9).
PCT/EP2001/013969 2000-11-29 2001-11-29 Spray catheter WO2002043795A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE10195131T DE10195131D2 (en) 2000-11-29 2001-11-29 Spray Catheters
AU2002217073A AU2002217073A1 (en) 2000-11-29 2001-11-29 Spray catheter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20020252U DE20020252U1 (en) 2000-11-29 2000-11-29 Spray Catheters
DE20020252.9 2000-11-29

Publications (1)

Publication Number Publication Date
WO2002043795A1 true WO2002043795A1 (en) 2002-06-06

Family

ID=7949442

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2001/013969 WO2002043795A1 (en) 2000-11-29 2001-11-29 Spray catheter

Country Status (3)

Country Link
AU (1) AU2002217073A1 (en)
DE (2) DE20020252U1 (en)
WO (1) WO2002043795A1 (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006115967A3 (en) * 2005-04-21 2007-08-02 Edwards Lifesciences Corp Soft-flow aortic cannula tip
US9833601B2 (en) 2007-04-19 2017-12-05 Tusker Medical, Inc. System and method for the simultaneous bilateral treatment of target tissues within the ears using a guide block structure
US9950157B2 (en) 2008-07-31 2018-04-24 Tusker Medical, Inc. Systems and methods for anesthetizing ear tissue
US10016304B2 (en) 2015-07-16 2018-07-10 Tusker Medical, Inc. Earplug assembly for iontophoresis system
AU2017200513B2 (en) * 2011-07-25 2018-10-11 Tusker Medical, Inc. Personalizable system and method for anesthetizing the tympanic membrane
US10130808B2 (en) 2013-03-14 2018-11-20 Tusker Medical, Inc. System and method for providing iontophoresis at tympanic membrane
US10478344B2 (en) 2012-05-30 2019-11-19 Tusker Medical, Inc. Adhesive earplugs useful for sealing the ear canal
US10576277B2 (en) 2007-12-20 2020-03-03 Tusker Medical, Inc. Iontophoresis methods
JP2021520965A (en) * 2018-04-06 2021-08-26 レヴィ, フランクFrank Levy Equipment and methods for producing medical concentrated suspensions

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080267688A1 (en) * 2005-11-29 2008-10-30 Bat Holding Aps Apparatus and a Method For Cleaning a Channel in a Medical Instrument

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4280500A (en) * 1978-03-31 1981-07-28 Kazuaki Ono Tubular flexible medical instrument
EP0406901A1 (en) * 1989-07-07 1991-01-09 Advanced Cardiovascular Systems, Inc. Intravascular catheter having an adjustable length infusion section to deliver therapeutic fluid
US5147334A (en) * 1991-01-02 1992-09-15 Moss James P Catheter for cholangiography
US5180387A (en) * 1987-09-17 1993-01-19 Neurodynamics, Inc. Angled hole ventricular catheter with non-circular bore
DE29516077U1 (en) 1995-10-10 1997-02-06 Maslanka Harald Spraying device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4280500A (en) * 1978-03-31 1981-07-28 Kazuaki Ono Tubular flexible medical instrument
US5180387A (en) * 1987-09-17 1993-01-19 Neurodynamics, Inc. Angled hole ventricular catheter with non-circular bore
EP0406901A1 (en) * 1989-07-07 1991-01-09 Advanced Cardiovascular Systems, Inc. Intravascular catheter having an adjustable length infusion section to deliver therapeutic fluid
US5147334A (en) * 1991-01-02 1992-09-15 Moss James P Catheter for cholangiography
DE29516077U1 (en) 1995-10-10 1997-02-06 Maslanka Harald Spraying device

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006115967A3 (en) * 2005-04-21 2007-08-02 Edwards Lifesciences Corp Soft-flow aortic cannula tip
US9833601B2 (en) 2007-04-19 2017-12-05 Tusker Medical, Inc. System and method for the simultaneous bilateral treatment of target tissues within the ears using a guide block structure
US10258776B2 (en) 2007-04-19 2019-04-16 Tusker Medical, Inc. System and method for treatment of target tissues within the ears
US10576277B2 (en) 2007-12-20 2020-03-03 Tusker Medical, Inc. Iontophoresis methods
US9950157B2 (en) 2008-07-31 2018-04-24 Tusker Medical, Inc. Systems and methods for anesthetizing ear tissue
US10751531B2 (en) 2008-07-31 2020-08-25 Tusker Medical, Inc. Systems and methods for anesthetizing ear tissue
US11045614B2 (en) 2011-07-25 2021-06-29 Tusker Medical, Inc. Personalizable system and method for anesthetizing the tympanic membrane
AU2017200513B2 (en) * 2011-07-25 2018-10-11 Tusker Medical, Inc. Personalizable system and method for anesthetizing the tympanic membrane
US10195369B2 (en) 2011-07-25 2019-02-05 Tusker Medical, Inc. Personalizable system and method for anesthetizing the tympanic membrane
US10478344B2 (en) 2012-05-30 2019-11-19 Tusker Medical, Inc. Adhesive earplugs useful for sealing the ear canal
US11446182B2 (en) 2012-05-30 2022-09-20 Tusker Medical, Inc. Adhesive earplugs useful for sealing the ear canal
US10130808B2 (en) 2013-03-14 2018-11-20 Tusker Medical, Inc. System and method for providing iontophoresis at tympanic membrane
US10987512B2 (en) 2013-03-14 2021-04-27 Tusker Medical, Inc. System and method for providing iontophoresis at tympanic membrane
US10842676B2 (en) 2015-07-16 2020-11-24 Tusker Medical, Inc. Earplug assembly for iontophoresis system
US10016304B2 (en) 2015-07-16 2018-07-10 Tusker Medical, Inc. Earplug assembly for iontophoresis system
US11696854B2 (en) 2015-07-16 2023-07-11 Tusker Medical, Inc. Earplug assembly for iontophoresis system
JP2021520965A (en) * 2018-04-06 2021-08-26 レヴィ, フランクFrank Levy Equipment and methods for producing medical concentrated suspensions
JP7165808B2 (en) 2018-04-06 2022-11-04 レヴィ，フランク Apparatus and method for producing concentrated medical suspensions

Also Published As

Publication number Publication date
AU2002217073A1 (en) 2002-06-11
DE20020252U1 (en) 2002-04-11
DE10195131D2 (en) 2004-04-15

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