DE2219790C3 - Device for generating brittle fractures in hard stones - Google Patents
Device for generating brittle fractures in hard stonesInfo
- Publication number
- DE2219790C3 DE2219790C3 DE2219790A DE2219790A DE2219790C3 DE 2219790 C3 DE2219790 C3 DE 2219790C3 DE 2219790 A DE2219790 A DE 2219790A DE 2219790 A DE2219790 A DE 2219790A DE 2219790 C3 DE2219790 C3 DE 2219790C3
- Authority
- DE
- Germany
- Prior art keywords
- stones
- hard
- impact body
- tubular
- ultrasonic
- 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
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22004—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves
- A61B17/22012—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/18—Use of auxiliary physical effects, e.g. ultrasonics, irradiation, for disintegrating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
- A61B2017/320072—Working tips with special features, e.g. extending parts
- A61B2017/320073—Working tips with special features, e.g. extending parts probe
Description
, gungen statistisch Impulsstöße sammelt und diese det sein sowie locker zwischen dem Ultraschall-, statistically collects impulse surges and detects them as well as loosely between the ultrasound
in sehr kurzen und höchst intensiven Schlag- schwinger und dem zu brechenden Körper angeord-arranged in very short and extremely intense impact oscillators and the body to be broken
stößen auf den brechenden Stein abgibt, net sein. Dieser hochelastische Körper ist in derbump into the breaking stone gives up, be net. This highly elastic body is in the
2. Einrichtung nach Anspruch 1, dadurch ge- Lage, aus den periodisch auf ihn einwirkenden Ulkcnnzeichnet, daß der rohrförmige Prallkörper t$ traschallschwingungen statistisch Impulsstöße zu (2), der das Absaugen des abgeräumten Materials »sammeln« und diese in sehr kurzen und höchst2. Device according to claim 1, characterized overall position of the periodically acting on it Ulkcnnzeichnet that the tubular baffle t $ traschallschwingungen statistically pulse bursts to (2), "Collect the aspiration of the cleared material" and this in very short and highly
r durch den rohrförmigen Ultraschallschwinger (1) intensiven Schlagstößen auf den zu brechenden Kör- |i ermöglicht, an seinem freien Ende mit ver- per zu übertragen. Es hat sich gezeigt, daß diese \ schränkten Zähnen (7) ausgerüstet ist. gesammelten hochintensiven impulsstöße Größen- r due to the tubular ultrasonic oscillator (1) enables intense impacts on the body to be broken to be transmitted at its free end with verper. It has been shown that this is equipped \ restricted teeth (7). collected high-intensity impulses size
I so Ordnungen erreichen und Schlagkräfte auszulösenI thus achieve order and trigger striking forces
j vermögen, welche cie vom Ultraschallübertrager pe-j are capable of which cie from the ultrasonic transducer
I riodisch übertragenen Druckspitzen um ein Viel-I periodically transmitted pressure peaks by a lot
·; faches übersteigen und in der Lage siud, die ge-·; times and are able to
f/ Es ist bekannt, mit Hilfe von Ultraschallschwin- wünschten Sprödbrüche auszulösen. Auch die härte-
■■ gungen harte und spröde Materialien zu bearbeiten. »5 sten Harnsteinsorten (Urat- und Oxalatsteine) könj?
Hierbei wird ein beliebig profiliertes, zu Lang's- nen hiermit abgebaut werden.
?. schwingungen erregtes Werkzeug unter Zwischenga- Als beispielsweise Vorrichtung zur Durchführung
i· be einer Borkarbidsuspension in das zu bearbeitende des erfindungsgemäßen Verfahrens zeigt die Figur
I Material eingesenkt. Auf diesem Wege lassen sich den Arbeitsteil einer Rohrsonde zur Zertrümmerung
tj; Durchbrüche, Gesenke usw. in harte und spröde 30 von Harnsteinen. f / It is known to induce brittle fractures with the help of ultrasonic vibrations. Also to work on hardness ■■ hard and brittle materials. »5 most types of urinary stones (urate and oxalate stones)? Here, any profile that is too long will be dismantled.
?. vibrations-excited tool with intervening. As an example of a device for carrying out a boron carbide suspension in the method according to the invention to be processed, FIG. I shows material sunk. In this way, the working part of a pipe probe for shattering tj; Breakthroughs, dies, etc. in hard and brittle stones from urinary stones.
^; Materialien einbringen. In dieser Figur stellt 1 das mit Ultraschall zu^; Bring in materials. In this figure, 1 delivers this with ultrasound
\>j Die Erfindung verfolgt einen ganz anderen Zweck, Längsschwingungen angeregte Rohr dar. Die si_ nämüich in harten und spröden Körpern Sprödbrüche Schwingungsrichtung ist durch Doppelpfeil gekennf.zu erzielen, um die fraglichen Körper zu zertrüm- zeichnet. Mit 2 ist der Prallkörper bezeichnet, der f mern, in Stücke zu zersprengen. Als Beispiel sei die 35 hier beispielsweise als Rohr ausgebildet ist und an I Zertrümmerung von Harnsteinen genannt. Der in seinem Arbeitsende eine Verzahnung 7 trägt. Durch S der menschlichen Blase befindliche Harnstein soil die Längsschwingungen des Rohres 1 werden Im- f hierbei so weit zertrümmert bzw. zerkleinert wer- pulse auf den Prallkörper 2 übertragen, die sich in £.d2n, daß die Trümmer mühelos abgesaugt oder auf der oben beschriebenen Weise zu sehr hohen Impulsi; natürlichem Wege aus der Blase entfernt werden 40 spitzen auf steigern, wenn der Prallkörper 2 locker !können. in dem Rohrl gehaltert ist. Die wesentliche Prall- \> j The invention is pursuing a very different purpose, longitudinal vibrations excited tube. The Si_ nämüich brittle fractures in hard and brittle bodies oscillation direction is achieved gekennf.zu by double arrow to the body in question draws to zertrüm-. With 2 the impact body is referred to, the f mern to shatter into pieces. As an example, the 35 is designed as a tube and mentioned at I fragmentation of urinary stones. The toothing 7 carries in its working end. Urinary located by S the human bladder soil, the longitudinal vibrations of the tube 1 are in this case f smashed so far or comminuted import advertising pulse on the impact body 2 transmitted, resulting in £ .d2n that the debris easily aspirated or described in the above- Way to very high impulses; can be removed naturally from the bladder 40 points to increase when the impact body 2 is loose! is held in the tube. The essential impact
\ Versucht man allein mit Hilfe von Ultraschall- fläche befindet sich an der Stelle 3. Die lockere I schwingungen Sprödbrüche durchzuführen, so las- Halterung ist dadurch gewährleistet, dag eine hin-I sen sich beispielsweise bei der Harnsteinzertrümme- reichende Toleranz in der Schaftführung 4 vorge-I rung zwar relativ weiche Steinarten wie Phosphat- 45 sehen ist und das Herausfallen des Prallkörpers 2 },; steine mehr oder weniger schnell durch Ultraschall- aus dem Rohr 1 beispielsweise durch einen lockeren j schwingungen abbauen. Härtere Sorten hingegen wie Sprengring 5, der in einen Schlitz 6 des Prallkörpers 2 t Uratsteine, Oxalatsteine lassen sich nur außerordent- eingreift, verhindert wird. Die Zähne 7 des als Rohr- ^ lieh laagsaia oder überhaupt nicht in kleinere Trum- stück ausgebildeten Prallkörper 2 sind verschränkt ' mer zerlegen. 50 angeordnet, damit nur Trümmer in das Rohr 1 ein- \ Attempt is located only area with the aid of ultrasound at the site 3. The loose I oscillations brittle fracture perform, so Las holder is ensured by dag a back-I, for example, Sen at the Harnsteinzertrümme- reaching tolerance in the shaft guide 4 It is true that relatively soft stone types such as phosphate 45 and the falling out of the impact body 2}; Break down stones more or less quickly by ultrasonic vibrations from the pipe 1, for example by a loose j . Harder types, on the other hand, such as snap ring 5, which is prevented from engaging 2 t urate stones in a slot 6 of the impact body, oxalate stones can only be extremely engaged. The teeth 7 of the impact body 2, which is designed as a tubular laagsaia or not at all into smaller fragments, are interlaced and dismantle. 50 arranged so that only debris in the pipe 1
: < Der Erfindung liegt nun die Aufgabe zugrunde, dringen können, deren Durchmesser kleiner als derf tuch dies in einfacher Weise zu erreichen. Erfin- jenige des Rohres ist, so daß ein müheloses Absaugen rdungsgemäß ist diese Aufgabe dadurch gelöst, daß der Trümmer durch Rohr 1 hindurch möglich wird. j-, bei einer Einrichtung zum Erzeugen von Spröd- Die Zähne 7 sind zweckmäßigerweise trapezförmig, < brüchen ein rohrfönniger Ultraschallschwinger mit 55 mit ihrer breiten Seite zur Stirnseite hin gerichtet, f einem koaxial angeordneten rohrförmigen Prallkör- ausgebildet, damit sie sich bei einem weniger sprö-H per lose gekoppelt ist, der aus den periodisch auf inc den Material nicht festfressen, sondern selbsttätig einwirkenden Ultraschallschwinguiigen statistisch freibohren können.: <The invention is now based on the object, can penetrate whose diameter is smaller than derf cloth to accomplish this in a simple manner. Inven- ting the pipe is so that suction is effortless According to the invention, this object is achieved in that the debris through pipe 1 is possible. j-, in a device for generating brittle- The teeth 7 are expediently trapezoidal, <break a tubular ultrasonic transducer with 55 with its broad side directed towards the front, f a coaxially arranged tubular impact body, so that it is less brittle in the case of a per loosely coupled, which does not seize up from the periodic on inc the material, but automatically acting ultrasound vibrations can statistically free drill.
Claims (1)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2219790A DE2219790C3 (en) | 1972-04-22 | 1972-04-22 | Device for generating brittle fractures in hard stones |
GB1759273A GB1390322A (en) | 1972-04-22 | 1973-04-12 | Apparatus for disintegrating concretions in body cavities of living organisms by means of an ultrasonic probe |
US00351140A US3823717A (en) | 1972-04-22 | 1973-04-16 | Apparatus for disintegrating concretions in body cavities of living organisms by means of an ultrasonic probe |
JP48044681A JPS4921989A (en) | 1972-04-22 | 1973-04-21 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2219790A DE2219790C3 (en) | 1972-04-22 | 1972-04-22 | Device for generating brittle fractures in hard stones |
Publications (3)
Publication Number | Publication Date |
---|---|
DE2219790A1 DE2219790A1 (en) | 1973-10-31 |
DE2219790B2 DE2219790B2 (en) | 1974-04-04 |
DE2219790C3 true DE2219790C3 (en) | 1974-11-07 |
Family
ID=5842932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2219790A Expired DE2219790C3 (en) | 1972-04-22 | 1972-04-22 | Device for generating brittle fractures in hard stones |
Country Status (4)
Country | Link |
---|---|
US (1) | US3823717A (en) |
JP (1) | JPS4921989A (en) |
DE (1) | DE2219790C3 (en) |
GB (1) | GB1390322A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3932966C1 (en) * | 1989-10-03 | 1991-04-04 | Richard Wolf Gmbh, 7134 Knittlingen, De | |
DE102021130795B4 (en) | 2021-11-24 | 2023-12-28 | Karl Storz Se & Co. Kg | Application probe for breaking up body stones for a lithotripsy device, lithotripsy device, lithotripsy system and method for operating a lithotripsy device |
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-
1972
- 1972-04-22 DE DE2219790A patent/DE2219790C3/en not_active Expired
-
1973
- 1973-04-12 GB GB1759273A patent/GB1390322A/en not_active Expired
- 1973-04-16 US US00351140A patent/US3823717A/en not_active Expired - Lifetime
- 1973-04-21 JP JP48044681A patent/JPS4921989A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3932966C1 (en) * | 1989-10-03 | 1991-04-04 | Richard Wolf Gmbh, 7134 Knittlingen, De | |
DE102021130795B4 (en) | 2021-11-24 | 2023-12-28 | Karl Storz Se & Co. Kg | Application probe for breaking up body stones for a lithotripsy device, lithotripsy device, lithotripsy system and method for operating a lithotripsy device |
Also Published As
Publication number | Publication date |
---|---|
GB1390322A (en) | 1975-04-09 |
DE2219790B2 (en) | 1974-04-04 |
US3823717A (en) | 1974-07-16 |
DE2219790A1 (en) | 1973-10-31 |
JPS4921989A (en) | 1974-02-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C3 | Grant after two publication steps (3rd publication) | ||
E77 | Valid patent as to the heymanns-index 1977 |