WO2000054672A1 - Device for extraction of stones from kidneys and ureter - Google Patents

Device for extraction of stones from kidneys and ureter Download PDF

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Publication number
WO2000054672A1
WO2000054672A1 PCT/GE1999/000003 GE9900003W WO0054672A1 WO 2000054672 A1 WO2000054672 A1 WO 2000054672A1 GE 9900003 W GE9900003 W GE 9900003W WO 0054672 A1 WO0054672 A1 WO 0054672A1
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WO
WIPO (PCT)
Prior art keywords
pipe
head
pressure
wires
extraction
Prior art date
Application number
PCT/GE1999/000003
Other languages
French (fr)
Inventor
Grigoli Kvaratskhelia
Original Assignee
Grigoli Kvaratskhelia
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 Grigoli Kvaratskhelia filed Critical Grigoli Kvaratskhelia
Priority to AU34371/99A priority Critical patent/AU3437199A/en
Publication of WO2000054672A1 publication Critical patent/WO2000054672A1/en

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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
    • A61B17/22031—Gripping instruments, e.g. forceps, for removing or smashing calculi
    • A61B17/22032—Gripping instruments, e.g. forceps, for removing or smashing calculi having inflatable gripping elements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/0042—Surgical instruments, devices or methods, e.g. tourniquets with special provisions for gripping
    • A61B2017/00429—Surgical instruments, devices or methods, e.g. tourniquets with special provisions for gripping with a roughened portion

Definitions

  • Present invention refers to medical equipment and concerns the device for extraction of stones from urinary tracts.
  • an extractor (1) of stones from ureter which comprises two outer and inner tubes.
  • the inner tube has an inflatable funnel-form head, to which a pressure supply pipe-line is connected separately, the outer tube is fixed movable.
  • the deficiency of the mentioned device is, that at stone extraction the walls of the ureter can be damaged, besides it cannot be used for extraction of the stone, the dimensions of which are significantly larger than the ureter diameter, stuck in the kidney pelvis.
  • a device comprises an elastic inflatable head of a dome form, the inner surface of which completely, and the outer surface partially is corrugated symmetrically.
  • a pressure supply channel made in the pipe wall is connected with the head.
  • the device is provided with a transparent pipe having a longitudinal partition. One part of said pipe is connected with the pressure supply channel, and the other part, which has an inlet branch-pipe having a clamp preserving the pressure in the system, is connected with a pipe hollowness.
  • the dome-from of the head provides for protection of ureter wall from damage and simplifies the introduction of pipe in the ureter.
  • the corrugation of the head inner surface enables to fix reliably the stone of any form, and the partial symmetric corrugation of the outer surface - to expand the head more.
  • the pressure supply channel made in the pipe wall simplifies the device construction, and the transparent pipe having the inlet branch-pipe widens the functional capabilities.
  • the invention description is explained by means o drawings, where on the fig. 1 is shown the initial position in the ureter of the device for extraction of stones from the urinary tracts; fig. 2 - the same in the ureter being in the operation mode; fig. 3 - the same in the operation mode at extraction of large size stone from kidney pelvis.
  • a device for extraction of stones from urinary tracts comprises an elastic pipe 1 with inflatable dome-form head 2, the inner surface of which completely, and the outer surface partially is corrugated symmetrically.
  • a pressure supply channel 3 which is connected with the head 2.
  • the device is provided with a transparent pipe 5 having a longitudinal partition 4, one part 6 of the pipe 5 with one side is connected with a pressure supply channel 3, and with the other - with a pressure source (not shown on the figures), and the other part 7, which has an inlet branch-pipe 9 provided with a clamp 8 preserving the pressure in the system, with one side is connected with a pipe hollowness 10, with the other - with a suction (not shown on the figures).
  • the device works in the following way (fig. 2): a cystoscope (not shown) is introduced in urinary bladder, in a pipe of the cystoscope the elastic pipe 1 of the device is led.
  • the pipe 1 is introduced in the ureter, after that under the control of echoscope the head 2 is led to the stone.
  • the pressure source (not shown on the figures) by means of the pressure supply channel 3 the head 2 is inflated up to the suitable level.
  • the stone stuck in the ureter after inflating of the head 2 the stone is freed from the ureter walls and is disposed in the depression created after the head is inflated, where after switching on of the suction (not shown on the figures) it is fixed tightly. Further the pipe 1 is withdrawn along with the stone.
  • a drill (not shown) and by passing the pipe hollowness 10 it is led to the stone and drilling starts.
  • a lithotriptor (not shown) is introduced, by means of which the stone is crushed in small fragments. Then the lithotriptor is withdrawn and each small fragment is extracted separately similarly to the above mentioned.
  • the proposed device provides for safe extraction of stones from ureter, and in the case of large size stone enables to effect it in the fixed position, that prevents a number of complications.

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)

Abstract

A device for extraction of stones from urinary tracts comprises an elastic pipe with an inflatable dome-form head, the inner surface of which is completely and the outer surface partially corrugated symmetrically. A pressure supply channel (3) made in the pipe (1) wall is connected with the head (2). Besides the device is provided with a transparent pipe (5) having a longitudinal partition. One part (6) of said pipe is connected with the pressure supply channel (3), and the other part (7), which has an inlet branch-pipe with a clamp (8) for preserving the pressure in the system, is connected with a pipe hollowness (10). The device can be used in medicine, urology.

Description

DEVICE FOREXTRACTION OF STONES FROM KIDNEYSAND URETER
Present invention refers to medical equipment and concerns the device for extraction of stones from urinary tracts.
There is known an extractor (1) of stones from ureter, which comprises two outer and inner tubes. The inner tube has an inflatable funnel-form head, to which a pressure supply pipe-line is connected separately, the outer tube is fixed movable.
The deficiency of the mentioned device is, that at stone extraction the walls of the ureter can be damaged, besides it cannot be used for extraction of the stone, the dimensions of which are significantly larger than the ureter diameter, stuck in the kidney pelvis.
The technical result of the invention is in increase of device operation efficiency and widening of functional capabilities. The essence of the invention is in, that a device comprises an elastic inflatable head of a dome form, the inner surface of which completely, and the outer surface partially is corrugated symmetrically. A pressure supply channel made in the pipe wall is connected with the head. Besides, the device is provided with a transparent pipe having a longitudinal partition. One part of said pipe is connected with the pressure supply channel, and the other part, which has an inlet branch-pipe having a clamp preserving the pressure in the system, is connected with a pipe hollowness.
The dome-from of the head provides for protection of ureter wall from damage and simplifies the introduction of pipe in the ureter. The corrugation of the head inner surface enables to fix reliably the stone of any form, and the partial symmetric corrugation of the outer surface - to expand the head more.
The pressure supply channel made in the pipe wall simplifies the device construction, and the transparent pipe having the inlet branch-pipe widens the functional capabilities. The invention description is explained by means o drawings, where on the fig. 1 is shown the initial position in the ureter of the device for extraction of stones from the urinary tracts; fig. 2 - the same in the ureter being in the operation mode; fig. 3 - the same in the operation mode at extraction of large size stone from kidney pelvis.
A device for extraction of stones from urinary tracts comprises an elastic pipe 1 with inflatable dome-form head 2, the inner surface of which completely, and the outer surface partially is corrugated symmetrically. In the pipe 1 wall is made a pressure supply channel 3, which is connected with the head 2. Besides, the device is provided with a transparent pipe 5 having a longitudinal partition 4, one part 6 of the pipe 5 with one side is connected with a pressure supply channel 3, and with the other - with a pressure source (not shown on the figures), and the other part 7, which has an inlet branch-pipe 9 provided with a clamp 8 preserving the pressure in the system, with one side is connected with a pipe hollowness 10, with the other - with a suction ( not shown on the figures).
The device works in the following way (fig. 2): a cystoscope (not shown) is introduced in urinary bladder, in a pipe of the cystoscope the elastic pipe 1 of the device is led. By means of the cystoscope the pipe 1 is introduced in the ureter, after that under the control of echoscope the head 2 is led to the stone. From the pressure source (not shown on the figures) by means of the pressure supply channel 3 the head 2 is inflated up to the suitable level. In the case of the stone stuck in the ureter, after inflating of the head 2 the stone is freed from the ureter walls and is disposed in the depression created after the head is inflated, where after switching on of the suction (not shown on the figures) it is fixed tightly. Further the pipe 1 is withdrawn along with the stone. In the case of the stone, the dimensions of which are much larger than the ureter diameter, stuck in the kidney pelvis (fig. 3) after supplying of the head 2 to the stone, inflation, switching on the suction and reliable fixation of the stone, conducted similarly to the above mentioned, in the branch-pipe 9 is introduced a drill (not shown) and by passing the pipe hollowness 10 it is led to the stone and drilling starts. At appearing of urine in the transparent pipe 5, indicating that the stone has been drilled completely, the drill is taken out and again by means of the branch-pipe 9 a lithotriptor (not shown) is introduced, by means of which the stone is crushed in small fragments. Then the lithotriptor is withdrawn and each small fragment is extracted separately similarly to the above mentioned.
Thus, the proposed device provides for safe extraction of stones from ureter, and in the case of large size stone enables to effect it in the fixed position, that prevents a number of complications.

Claims

C L A I M SA device for extraction of stones from urinary tracts, which comprises an elastic pipe with an inflatable head, to which a pressure supply pipe-line is connected, wherein it is additionally provided with a transparent pipe having a longitudinal partition, one part of said pipe is connected with the pressure supply pipe-line, and the other part, which has an inlet branch-pipe with a clamp for preserving the pressure in the system, is connected with a pipe hollowness, whereas the head is of a dome form, the inner surface of which is completely and the outer surface partially is corrugated symmetrically, besides the pressure supply pipe-line is made as channel in the pipe wall. AMENDED CLAIMS[received by the International Bureau on 23 December 1998 (23.12.98); original claim 1 replaced by new claims 1 -7 (1 page)]
1. A device for extraction of stones from a kidney cavity and urinary tracts comprising an elastic pipe with an inflatable head connected with a pressure supplying
^ canal wherein it is additionally provided with a transparent pipe having a longitudinal partition, one part of which is connected with a pressure supplying line, and the other part, containing an inlet branch pipe provided with a clamp maintaining the pressure in the system, is connected with a pipe space below the head by means of the wires fixed in the pipe wall with one end and passing freely thereof, the other end of said wires is 0 connected with control levers disposed on the outer surface of said transparent pipe, whereas the head is dome-shaped, and the outer surface is partially corrugated, the pressure supplying line is made as a canal in the pipe wall.
2. The device of claim 1 wherein one of said transparent pipe containing said branch pipe by means of the second end is connected with a negative pressure 5 source, and the other part - with a positive pressure source.
3. The device of claims 1-2 wherein each wire has an additional control lever.
4. The device of claims 1-3 wherein the pipe wall in the wires fixation section is made of more elastic material.
5. The device of claims 1-4 wherein the wires quantity is three.
6. The device of claim 5 wherein the wires fixing points in said pipe wall are disposed under 120 ° in respect to one another.
7. The device of claim 6 wherein the outer surface of the head is symmetrically corrugated. STATEMENT UNDER ARTICLE 19(1)
Originally there was 1 claim and after amendment of the claim there are 7 claims.
The claim 1 was changed; new claims 2-7 added.
PCT/GE1999/000003 1999-03-18 1999-04-14 Device for extraction of stones from kidneys and ureter WO2000054672A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU34371/99A AU3437199A (en) 1999-03-18 1999-04-14 Device for extraction of stones from kidneys and ureter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GE003427 1999-03-18
GE1999003427 1999-03-18

Publications (1)

Publication Number Publication Date
WO2000054672A1 true WO2000054672A1 (en) 2000-09-21

Family

ID=10922899

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GE1999/000003 WO2000054672A1 (en) 1999-03-18 1999-04-14 Device for extraction of stones from kidneys and ureter

Country Status (2)

Country Link
AU (1) AU3437199A (en)
WO (1) WO2000054672A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015181939A (en) * 2014-03-21 2015-10-22 テルモ株式会社 Calculus recovery device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2104673A1 (en) * 1970-11-24 1972-05-31 VEB Kombinat Medizin- und Labortechnik, χ 7035 Leipzig Device for the removal of ureteral stones and stones in the lower renal pelvis
US3827437A (en) * 1973-06-20 1974-08-06 Y Inaba Surgical tool
AT352253B (en) * 1978-02-21 1979-09-10 Kraft Kinz Julius Dr Med UROLOGICAL INSTRUMENT FOR THE UNBODY REMOVAL OF CONCRETE FROM THE URINE
US4243040A (en) * 1979-09-17 1981-01-06 Beecher William H Extracting device for removing objects from human body passages
US4469100A (en) * 1983-03-14 1984-09-04 Hardwick Charles W Intussuscepting balloon catheter for stone extraction

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2104673A1 (en) * 1970-11-24 1972-05-31 VEB Kombinat Medizin- und Labortechnik, χ 7035 Leipzig Device for the removal of ureteral stones and stones in the lower renal pelvis
US3827437A (en) * 1973-06-20 1974-08-06 Y Inaba Surgical tool
AT352253B (en) * 1978-02-21 1979-09-10 Kraft Kinz Julius Dr Med UROLOGICAL INSTRUMENT FOR THE UNBODY REMOVAL OF CONCRETE FROM THE URINE
US4243040A (en) * 1979-09-17 1981-01-06 Beecher William H Extracting device for removing objects from human body passages
US4469100A (en) * 1983-03-14 1984-09-04 Hardwick Charles W Intussuscepting balloon catheter for stone extraction

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015181939A (en) * 2014-03-21 2015-10-22 テルモ株式会社 Calculus recovery device

Also Published As

Publication number Publication date
AU3437199A (en) 2000-10-04

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