DE3335749A1 - Device for teleoperations inside the human or animal body - Google Patents
Device for teleoperations inside the human or animal bodyInfo
- Publication number
- DE3335749A1 DE3335749A1 DE19833335749 DE3335749A DE3335749A1 DE 3335749 A1 DE3335749 A1 DE 3335749A1 DE 19833335749 DE19833335749 DE 19833335749 DE 3335749 A DE3335749 A DE 3335749A DE 3335749 A1 DE3335749 A1 DE 3335749A1
- Authority
- DE
- Germany
- Prior art keywords
- catheter
- fluid
- tool elements
- probe
- tool
- 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.)
- Granted
Links
- 241001465754 Metazoa Species 0.000 title claims abstract description 5
- 239000012530 fluid Substances 0.000 claims abstract description 24
- 239000000523 sample Substances 0.000 claims abstract description 23
- 238000005299 abrasion Methods 0.000 claims abstract description 7
- 238000005520 cutting process Methods 0.000 claims abstract description 7
- 210000000056 organ Anatomy 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 3
- 230000002706 hydrostatic effect Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 2
- 206010003402 Arthropod sting Diseases 0.000 claims 1
- 241000283690 Bos taurus Species 0.000 claims 1
- 229920001875 Ebonite Polymers 0.000 claims 1
- 230000001154 acute effect Effects 0.000 claims 1
- 238000002399 angioplasty Methods 0.000 claims 1
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000002349 favourable effect Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 208000031481 Pathologic Constriction Diseases 0.000 abstract description 4
- 208000037804 stenosis Diseases 0.000 abstract description 3
- 238000000605 extraction Methods 0.000 abstract description 2
- 230000037361 pathway Effects 0.000 abstract description 2
- 230000006378 damage Effects 0.000 abstract 1
- 206010002091 Anaesthesia Diseases 0.000 description 3
- 208000007536 Thrombosis Diseases 0.000 description 3
- 230000037005 anaesthesia Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000003814 drug Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000004400 mucous membrane Anatomy 0.000 description 2
- 230000036262 stenosis Effects 0.000 description 2
- 206010003210 Arteriosclerosis Diseases 0.000 description 1
- 208000005189 Embolism Diseases 0.000 description 1
- 208000010378 Pulmonary Embolism Diseases 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 206010057469 Vascular stenosis Diseases 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 208000011775 arteriosclerosis disease Diseases 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 210000000746 body region Anatomy 0.000 description 1
- 210000004351 coronary vessel Anatomy 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 210000004696 endometrium Anatomy 0.000 description 1
- 208000028867 ischemia Diseases 0.000 description 1
- 210000002429 large intestine Anatomy 0.000 description 1
- 210000004379 membrane Anatomy 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000036407 pain Effects 0.000 description 1
- 210000001321 subclavian vein Anatomy 0.000 description 1
- 210000004291 uterus Anatomy 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- 238000007631 vascular surgery Methods 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
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
- A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
- A61B17/320725—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with radially expandable cutting or abrading elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/32—Surgical cutting instruments
- A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/42—Gynaecological or obstetrical instruments or methods
-
- 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
- A61M25/10—Balloon catheters
- A61M25/104—Balloon catheters used for angioplasty
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B2017/00535—Surgical instruments, devices or methods pneumatically or hydraulically operated
- A61B2017/00539—Surgical instruments, devices or methods pneumatically or hydraulically operated hydraulically
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B2017/00535—Surgical instruments, devices or methods pneumatically or hydraulically operated
- A61B2017/00544—Surgical instruments, devices or methods pneumatically or hydraulically operated pneumatically
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/32—Surgical cutting instruments
- A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
- A61B2017/32004—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes having a laterally movable cutting member at its most distal end which remains within the contours of said end
-
- 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
- A61M25/10—Balloon catheters
- A61M2025/1043—Balloon catheters with special features or adapted for special applications
- A61M2025/1093—Balloon catheters with special features or adapted for special applications having particular tip characteristics
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Vascular Medicine (AREA)
- Biophysics (AREA)
- Hematology (AREA)
- Child & Adolescent Psychology (AREA)
- Pulmonology (AREA)
- Anesthesiology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Gynecology & Obstetrics (AREA)
- Pregnancy & Childbirth (AREA)
- Reproductive Health (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Surgical Instruments (AREA)
Abstract
Description
Vorrichtung für Teleoterationen im Device for teleoterations in
Innern des menschlichen oder tierischen Körpers Die Erfindung betrifft eine Vorrichtung für Teleoperationen im Innern des Körpers von Mensch und Tier mit beispielsweiser Funktion wie Abrasion, Greifen,Schneiden, Aufdehnen in Anwendung von langausgezogenen röhrenförmigen Instrumenten wie Katheter und Sonde, in denen vorn und zunächst nicht über den Außenmantel dieser langen Instrumente hervorragend für die jeweilige Funktion geeignete Werkzeugelemente in graden oder gleichmaRig ringförmig gebogenen Gleitröhren vorhanden sind,diese abdichtend aber dennoch darin gleitend, wobei diese Werkzeugelemente iiMer proximale Durchbrechungen der sie tragenden Gleitröhren durch Fluid nach außen zur jeweiligen Funktion mit Kraftandruck bewegt werden bis zum dadurch bzw. sonst mechanisch vorgegebenen Anschlag, wie bei der Alorasionsvorrlchtung erforderlich. Ausgangsposition für diese Werkzeugelemente im Innern der Gleitröhren, kastenförmige Versenkungrerdenerreicht durch Federn oder in Höhe des Außenmantels der Sonde gelegene Gummimembran.Wirkt Fluid von proximal über den Katheter oder Sonde nicht mehr ein, werden die verschiedenartigen Werkzeugelemente, auch Aufdehrnrngsballon wieder retrahiert. Inside the human or animal body The invention relates to a device for teleoperations inside the body of humans and animals for example functions such as abrasion, gripping, cutting, stretching in use of elongated tubular instruments such as catheters and probes in which at the front and initially not over the outer jacket of these long instruments Tool elements suitable for the respective function in straight or uniform ring-shaped curved sliding tubes are present, but these are still sealed therein sliding, these tool elements iiMer proximal perforations of the supporting them Sliding tubes moved outwards by fluid to the respective function with force be up to this or otherwise mechanically specified stop, as required for the Alorasionsvorrlchtung. Starting position for these tool elements inside the sliding tubes, box-shaped countersunk earths achieved by springs or Rubber membrane located at the level of the outer jacket of the probe. Fluid acts from the proximal direction via the catheter or probe, the various tool elements, also retraction balloon again.
Seit langer Zeit werden für Schleimhautentfernung aus der Gebärmutter sogenannte Ciiretten benutzt. Sie bestehen aus einem längeren Stiel, tragen oben einen längsovalen Metallring, der innen in die Schnei.de übergeht. Da dieser abradierende Teil der Cürette recht breit ist, bedarf es fast immer der Narkose, um den engen Gebärmutterhalskanal ohne größeren Schmerz aufzudehnen. tTm keine Narkose zu benötigen,sind wesentlich englumigere neue Geräte zur Abrasion hergestellt worden; eine solche mir hier vorliegende Vorrichtung besteht aus einem etwa 5 mm dickem Kunststoffrohr mit darin gleitender Sonde hinten arretiert, die Sonde trägt vorn ein zunächst eingezogenes im ausgefahrenen Zustand sich selbst abapreizendes bei Drehung der Sonde abradierendes wenige Millimeter breites Blatt. Diese Vorrichtung ist jedoch äußerst wenig effizient, trennt kaum Schleimhaut ab.It has long been used for removal of mucous membrane from the uterus so-called cirettes used. They consist of a longer stem, carry on top a lengthways oval metal ring that merges with Schnei.de on the inside. As this abrading Part of the curette is quite wide, it almost always requires anesthesia to get the narrow one Expand the cervical canal without causing major pain. tTm not needing anesthesia are much more narrow-lumen new devices for abrasion have been produced; such The device presented to me here consists of a plastic tube approximately 5 mm thick with sliding in it The probe is locked in place at the rear, the probe carries at the front an initially retracted in the extended state self-stripping Rotation of the probe abrading a few millimeters wide sheet. This device however, it is extremely inefficient and hardly separates the mucous membrane.
Ein anderes Beispiel wie notwendig es ist, im Innern de @s Körpers operativ tätig zu werden, stellen die transluminalen modernen Gefäßoperationen bei der häufigen Arteriosklerose dar. Dabei werden mit über 1 Meter langen Kathetern in den Herzkranzschlagadern Aufdehnungen stenosierter Gefaffißteile mittels eines auftesetzten Ballons durchgeführt. Der Katheter ist zweilumig.Another example of how necessary it is inside the body The transluminal modern vascular surgery makes it possible to become operationally active the common arteriosclerosis. These are catheters over 1 meter long in the coronary arteries expansion of stenosed parts of the vessels by means of a carried out attached balloons. The catheter is double-lumen.
Auch Experten sprechen davon, daß diese Art von Operation technisch noch verbessert werden muß. Genannt sei die eben herausgekommene Schrift: Transluminale Coronardilatation, Bestandaufnahme und Ausblick A.R.Grüntzig, Bernhard Meier, Thomas Ischinger, Jay Hollmann, Deutsches Arzteblatt 80er Jahrgang, Heft 38, September 1983.Even experts say that this type of operation is technical still needs to be improved. The font that has just come out should be mentioned: Transluminale Coronary dilatation, inventory and outlook A.R.Grüntzig, Bernhard Meier, Thomas Ischinger, Jay Hollmann, Deutsches Arzteblatt, 1980s, issue 38, September 1983.
Der Erfindung liegt bei breit gestreuter anwendung die Aufgabe zugrunde, eine derzeit für die Medizin noch nicht bestehende Vorrichtung zu schaffen, mit der es besser als bisher gelingt, operativ zum Nutzen der Patienten und Ärzte schonend in den verschiedenen Körperregionen und Organbereichen operativ tätig zu werden vor allein wie der Mediziner sagt perkutan, also über die Haut und transluminal, durch schon existente Leitungsbahnen und Hohlräume des Körpers vorzugehen.The invention is based on the task of widespread use one currently for medicine not yet existing device to create, with which it works better than before, surgically for the benefit of the patient and doctors gently surgically in the various body regions and organ areas to act before alone as the doctor says percutaneously, i.e. over the skin and transluminally, to proceed through already existing conduction pathways and cavities in the body.
Eine solche generelle einsetzbare Vorrichtung mit Fluid ist uns nicht bekannt geworden.We are not such a generally applicable device with fluid known.
Mit der Fig. 1-4 können lediglich wenige Beispiele der Anwendung von. Sonden oder Kathetern mit fliii dhetriebenen Werkzeugvorrichtungen gegeben werden.With FIGS. 1-4, only a few examples of the application of. Probes or catheters are given with fluid-powered tool devices.
Schonend in das Organ vorzubringende, wirksam dork cinzusetzende cürettenartige ärztliche Instrumente wie in Fig.1 werden vor allem von Gynäkologen für Abrasion der Gebärmutterschleimhaut benutzt. Der Vorteil des Instrumentes nach Fig.1 besteht darin, daR prtrn:r bei einem Durchmesser von nur 4 mm, für den Cervixkanal rrieist alle durchgängig, bei durch fluid ausgefahrenem Abrasionswerkzeug in praktisch üblicher Weise vollständige Auskratzungen vorgenommen werden kann, in vielen Fällen ohne Narkose.A curette-like curette that can be used effectively and gently in the organ Medical instruments like in Fig.1 are mainly used by gynecologists for abrasion the lining of the uterus. The advantage of the instrument according to Fig.1 is there in that prtrn: r is only 4 mm in diameter for the cervical canal all consistently, with the abrasion tool extended by fluid in practically the usual way Way complete scrapes can be made in many Cases without anesthesia.
Zu verbessern sind auch immer noch Thrombenbeseitigungsoperationen zum Beispiel nach den Lungenembolien, die oft tödlich sind. Zur Blutpfropfentfernung werden derzeit noch dem Katheter einfach aufgesetzte Ballone benutzt ohne Greifwerkzeug. Hiergegen bietet sich das Vorgehen entweder mittels Vorrichtung nach Fig.2 oder auch mit zunächst im Katheter versenkten Ballon an, auch die Kombination. Beide Vorrichtungen nach eigenen Ansprüchen 1-14 erfordern Fluideinsatz. In Fig. 2 wird ein solcher zunächst offener Greifring durch Branchen oder Greifarme mittels Fluid geschlossen bis das Thrombenmaterial zinn Beispiel über eine Unterschlüsselbeinvene herausgezogen ist.There is also still room for improvement in thrombus removal operations for example after pulmonary embolism, which is often fatal. For removing blood clots At present, balloons simply attached to the catheter are still used without a gripping tool. Against this, the procedure is either by means of the device according to FIG. 2 or also with the balloon sunk into the catheter, also the combination. Both Devices according to their own claims 1-14 require the use of fluid. In Fig. 2 such an initially open gripping ring by branches or gripping arms by means of fluid closed up the thrombus tin example via a subclavian vein is pulled out.
Es dürfte sich in der Praxis erweisen, daß der primär im Schaft des Katheters oder der Sonde versenkte aufdehnbare Ballon, weil er eben nicht aufträgt, mit Vorteil insbesondere im Bereich von Gefaßstenosen, auch bei Sekundärstenosen, wie nach Embolie dann zu Extraktion einzusetzen ist.In practice it should turn out that the primarily in the shaft of the Catheter or the probe sunk inflatable balloon because it is not bulky, particularly advantageous in the area of vascular stenosis, including secondary stenosis, how to use extraction after embolism.
Von noch größerer Bedeutung, Fig. 4, dürfte aber sein, daß die Leitungsbahneinengung mit Höcker wie arteriosklerotischer Stenose mit Plaque gleichsam in den Versenkungskasten des zunächst durch Fluid nicht aufgedehnten, gleichsam verborgenen Ballon hineinfällt. Das erleichert die Auf findung, Justierung und Aufdehnung solcher Stenosen bzw. funktionell wichtiger Gefäßeinengungen, die zur Ischämie führen.Of even greater importance, Fig. 4, should be that the conduction path narrowing with a hump like arteriosclerotic stenosis with plaque, as it were, into the caisson The balloon, which was initially not expanded by the fluid and which was hidden, as it were, falls into it. This makes it easier to find, adjust and expand such stenoses or functionally important vascular constrictions that lead to ischemia.
Bin weiteres Beispiel für Teleoperation ( wieder im technischen Sinne gebraucht ) im Innern des Organismus gibt die Fig.3. Die elektrochirurgische Schlingenabtragung von Polypen z.B. im Anfangsteil des Dickdarms ist ein aufwendiges, manchmal gefährliches und auch nicht immer wirksames Verfahren. Die unter Sicht des Endoskops mit Spezialsonde durch Fluid erfolgende Abtragung hat Vorteile; durch eine andere ebenfalls einfach gebaute Sonde könnte zur Blutstillung eine Klammer gesetzt werden, Nach Erkundigung bei der Technischen Hochschule in Dortmund handelt es sich bei der von mir für die Medizin beschriebenen Vorrichtung nach Patentanspruch 1-13 in Anwendung von Werkzeugelementen in Rohren für Teleoperationen mit Fluid um ein bereits im eigentlich technischen Bereich angewendetes und bewährtes Prinzip, welches mit hydrostatischen Bauelementen arbeitet.I'm another example of teleoperation (again in the technical sense used) inside the organism is shown in Fig. 3. Electrosurgical loop removal of polyps e.g. in the initial part of the large intestine is a complex, sometimes dangerous and not always effective method either. The under view of the endoscope with a special probe Fluid ablation has advantages; by another also easy If the probe is built, a clamp could be used to stop the bleeding, after inquiries at the technical university in Dortmund it is mine for them Medicine described device according to claim 1-13 in the use of tool elements in pipes for teleoperations with fluid around an already in the actually technical Area applied and proven principle, which with hydrostatic components is working.
Claims (14)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19833335749 DE3335749C2 (en) | 1983-10-01 | 1983-10-01 | Catheter with hydraulic tool element |
| DE19843400416 DE3400416A1 (en) | 1983-10-01 | 1984-01-07 | Tele-surgery instrument in a probe/catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19833335749 DE3335749C2 (en) | 1983-10-01 | 1983-10-01 | Catheter with hydraulic tool element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3335749A1 true DE3335749A1 (en) | 1985-06-13 |
| DE3335749C2 DE3335749C2 (en) | 1986-11-27 |
Family
ID=6210721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19833335749 Expired DE3335749C2 (en) | 1983-10-01 | 1983-10-01 | Catheter with hydraulic tool element |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3335749C2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3528876A1 (en) * | 1985-08-12 | 1987-02-19 | Schubert Werner | Guiding wire |
| DE3532319A1 (en) * | 1985-09-11 | 1987-03-19 | Schubert Werner | Pipe cleaning device |
| WO1992001369A1 (en) * | 1990-07-25 | 1992-02-06 | British Technology Group Ltd. | Cutting and/or manoeuvring apparatus and methods |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4236738C1 (en) * | 1992-10-30 | 1994-04-28 | Aesculap Ag | Tongs or brace-shaped medical instrument - has at least two arms movable relatively to each other which are arranged at end of catheter-type carrier |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2743781A1 (en) * | 1976-09-30 | 1978-04-06 | Univ Southern California | ENDOSCOPE |
| DE2843151A1 (en) * | 1977-10-03 | 1979-04-12 | American Hospital Supply Corp | UROLOGICAL INSTRUMENT |
| DE3303867A1 (en) * | 1982-02-05 | 1983-08-18 | Matburn (Holdings) Ltd., London | CATHETER |
| DE3206381A1 (en) * | 1982-02-22 | 1983-09-08 | Olympus Winter & Ibe GmbH, 2000 Hamburg | Percutaneous nephroscope |
-
1983
- 1983-10-01 DE DE19833335749 patent/DE3335749C2/en not_active Expired
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2743781A1 (en) * | 1976-09-30 | 1978-04-06 | Univ Southern California | ENDOSCOPE |
| DE2843151A1 (en) * | 1977-10-03 | 1979-04-12 | American Hospital Supply Corp | UROLOGICAL INSTRUMENT |
| DE3303867A1 (en) * | 1982-02-05 | 1983-08-18 | Matburn (Holdings) Ltd., London | CATHETER |
| DE3206381A1 (en) * | 1982-02-22 | 1983-09-08 | Olympus Winter & Ibe GmbH, 2000 Hamburg | Percutaneous nephroscope |
Non-Patent Citations (3)
| Title |
|---|
| Der große Brockhaus in 12 Bänden, 18.Aufl., 5.Bd.,S.448,450 * |
| Der Hydraulik-Trainer, Lehr- und Informations- buch über die Hydraulik, Ing.grad.A.Schmitt, G.L.Rexroth GmbH,Lohr a.Main,S.10,12,13,67,69,70 * |
| Deutsches Ärzteblatt Ausgabe B, 80.Jahrg., H.38, 23.Sept.1983, S.25-28 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3528876A1 (en) * | 1985-08-12 | 1987-02-19 | Schubert Werner | Guiding wire |
| DE3532319A1 (en) * | 1985-09-11 | 1987-03-19 | Schubert Werner | Pipe cleaning device |
| WO1992001369A1 (en) * | 1990-07-25 | 1992-02-06 | British Technology Group Ltd. | Cutting and/or manoeuvring apparatus and methods |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3335749C2 (en) | 1986-11-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69507686T2 (en) | Device for cutting and dilating blood vessels | |
| DE60216294T2 (en) | SEGMENTED BALLOON CATHETER BLADE | |
| DE60307897T2 (en) | ROTATING CUTTING AND DILATATION BALLOON | |
| DE102004008371B4 (en) | atherectomy | |
| DE69329773T2 (en) | DEVICE FOR OBTAINING ARTERIAL BIOPSIA | |
| DE69418936T2 (en) | Device for the dilation of a vascular stenosis | |
| DE3873024T2 (en) | ATHEREECTOMY CATHETER. | |
| DE3853057T2 (en) | Removable endoarterial device designed for repair of detachments in arterial walls. | |
| DE69014832T2 (en) | Atherectomy catheter with fiber ends. | |
| DE69635396T2 (en) | Balloon dissecting instrument | |
| DE10049813C1 (en) | Instrument for the local removal of built-up matter at an aortic valve, in a human or animal heart, is a hollow catheter with a cutting unit at the far end within a closure cap for minimum invasion | |
| DE68925803T2 (en) | Atherectomy system | |
| DE69703077T2 (en) | Device for cutting and dilating blood vessels with a tapered balloon | |
| DE69023652T2 (en) | ATHEROTOMY CATHETER. | |
| DE69218794T2 (en) | SURGICAL CUTTING INSTRUMENT | |
| DE3853967T2 (en) | Balloon catheter for atherectomy. | |
| DE3206782C2 (en) | Surgical instrument | |
| DE69231357T2 (en) | ULTRASONIC ANGIOPLASTIC DEVICE WITH TRANSMISSION ELEMENT AND ABLATION PROBE | |
| DE69015926T2 (en) | Device for changing a catheter while holding the guide wire. | |
| DE3421390A1 (en) | High-pressure catheter with a cutting and/or abrasion device | |
| DE1903618C3 (en) | Surgical device for removing substances from the human or animal body | |
| DE69727938T2 (en) | SURGICAL INSTRUMENTS FOR ARTERIAL TISSUE REMOVAL | |
| EP2914188B1 (en) | Device for detaching parietal thrombi from a blood vessel | |
| DE69824601T2 (en) | BALLOON INSTRUMENT FOR DISSEQUISITION | |
| DE3402573A1 (en) | Balloon dilation apparatus with a cutting tool on a primarily single-lumen multi-purpose catheter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
| OP8 | Request for examination as to paragraph 44 patent law | ||
| AG | Has addition no. |
Ref country code: DE Ref document number: 3400416 Format of ref document f/p: P |
|
| AG | Has addition no. |
Ref country code: DE Ref document number: 3400416 Format of ref document f/p: P |
|
| D2 | Grant after examination | ||
| 8330 | Complete disclaimer |