DE2219790C3 - Device for generating brittle fractures in hard stones - Google Patents

Device for generating brittle fractures in hard stones

Info

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
Application number
DE2219790A
Other languages
German (de)
Other versions
DE2219790B2 (en
DE2219790A1 (en
Inventor
M Cichos
R Pohlman
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE2219790A priority Critical patent/DE2219790C3/en
Priority to GB1759273A priority patent/GB1390322A/en
Priority to US00351140A priority patent/US3823717A/en
Priority to JP48044681A priority patent/JPS4921989A/ja
Publication of DE2219790A1 publication Critical patent/DE2219790A1/en
Publication of DE2219790B2 publication Critical patent/DE2219790B2/en
Application granted granted Critical
Publication of DE2219790C3 publication Critical patent/DE2219790C3/en
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22Implements 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
    • A61B17/22004Implements 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
    • A61B17/22012Implements 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C19/00Other disintegrating devices or methods
    • B02C19/18Use of auxiliary physical effects, e.g. ultrasonics, irradiation, for disintegrating
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32Surgical cutting instruments
    • A61B17/320068Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B2017/320072Working tips with special features, e.g. extending parts
    • A61B2017/320073Working 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.

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

Claims (1)

Impulsstöße sammelt und diese in sehr kurzen undImpulse bursts collects and this in very short and Patentansprüche: höchst intensiyen Schlagstößen auf den brechendenPatent claims: highly intense blows on the breaking one Stein abgibt,Stone gives up, 1, Einrichtung zum Erzeugen von Sprödbrü- Der versprengende Wirkung der Ultraschallschwmchcn bei harten Steinen, insbesondere bei Harn- 9 gungen wird dadurch um Größenordnungen gesteisteinen, dadurch gekennzeichnet, daß gert, daß zwischen den eigentlichen Ultraschallein rohrförmiger Ultraschallschwingcr (1) mit schwinger, beispielsweise ein Mason-Horn, und den einem koaxial angeordneten rohrförmigen Prall- · zu brechenden Körper ein Prallkörper zwischengekörpcr (2) lose gekoppelt ist, der aus den perio- schaltet wird, der jede beliebige Form besitzen kann.1, device for generating brittle vapor. The dispersing effect of the ultrasonic waves in the case of hard stones, especially in the case of urination, the stones are rocked by orders of magnitude, characterized in that gert that between the actual ultrasound tubular ultrasonic vibrator (1) with vibrator, for example a Mason horn, and the a coaxially arranged tubular impact body to be broken, an impact body intermediate (2) is loosely coupled, which is switched from the periodic, which can have any shape. ', disch auf ihn einwirkenden Ultraschallschwin- »o Er soll möglichst hart und unnachgiebig ausgebil-', the ultrasonic vibration acting on him- »o He should be trained as hard and unyielding as possible.
DE2219790A 1972-04-22 1972-04-22 Device for generating brittle fractures in hard stones Expired DE2219790C3 (en)

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)

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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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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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E77 Valid patent as to the heymanns-index 1977