CN110916758B - Clinical lithotripter of uropoiesis surgery - Google Patents
Clinical lithotripter of uropoiesis surgery Download PDFInfo
- Publication number
- CN110916758B CN110916758B CN201911247001.5A CN201911247001A CN110916758B CN 110916758 B CN110916758 B CN 110916758B CN 201911247001 A CN201911247001 A CN 201911247001A CN 110916758 B CN110916758 B CN 110916758B
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- Prior art keywords
- lithotripter
- urinary
- extracorporeal
- limiting
- detachably arranged
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- 238000001356 surgical procedure Methods 0.000 title abstract description 12
- 230000002485 urinary Effects 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000004575 stone Substances 0.000 claims description 10
- 230000000875 corresponding Effects 0.000 claims description 2
- 238000002601 radiography Methods 0.000 description 6
- 206010007027 Calculus urinary Diseases 0.000 description 4
- 208000009911 Urinary Calculi Diseases 0.000 description 4
- 230000035939 shock Effects 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 210000001503 Joints Anatomy 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
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
- A61B17/225—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 for extracorporeal shock wave lithotripsy [ESWL], e.g. by using ultrasonic waves
- A61B17/2256—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 for extracorporeal shock wave lithotripsy [ESWL], e.g. by using ultrasonic waves with means for locating or checking the concrement, e.g. X-ray apparatus, imaging means
Abstract
The invention discloses a urinary surgery clinical lithotripter, which comprises a urinary extracorporeal lithotripter and also comprises: the shielding mechanism is detachably arranged at the rear end of the right side of the bottom of the workbench of the urinary extracorporeal lithotripter; the support mechanism is detachably arranged on the right side of the bottom of the workbench of the urinary extracorporeal lithotripter; the water receiving tray is detachably arranged at the bottom of the supporting mechanism. The invention relates to the technical field of medical instruments, can realize the intelligent control of a shielding mechanism and a supporting mechanism, does not need medical staff to repeatedly walk in a control area and a urinary extracorporeal lithotripter area, is time-saving and labor-saving, has low working labor intensity, avoids the fatigue of the medical staff from influencing the accuracy of urinary surgery examination and operation, can improve the treatment number of patients in unit time, and is more beneficial to popularization.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a urological clinical stone crusher.
Background
The external shock lithotripsy utilizes the shock wave principle to treat calculus, and replaces the original operation calculus removing method. The extracorporeal shock lithotripter for treating urinary calculus has the advantages of small wound, low cost, good treatment effect and the like, thereby being widely applied to clinic. Urinary calculus is one of common diseases of the urinary system, the diameter of the urinary calculus is less than 2cm, and the urinary calculus formed in a short time can be treated by an extracorporeal lithotripter;
extracorporeal lithotripters are commonly used for two purposes, one for urological imaging and the other for minimally invasive urological surgery. The existing extracorporeal lithotripter cannot achieve full intellectualization, and when urinary radiography examination is carried out, in order to guarantee the effectiveness of radiography, a patient lies down stably, medical personnel are required to manually place a baffle at the gap of a workbench of the extracorporeal lithotripter, and then a water pan is removed to replace an upper padding plate, so that the patient stably lies on the workbench of the extracorporeal lithotripter, and finally radiography examination is carried out. Therefore, medical staff need to walk in the control area and the external lithotripter area repeatedly, time and labor are wasted, the long-time work is high in labor intensity, the medical staff can be tired, the accuracy of the urological surgery examination and operation is easily affected, and therefore an intelligent external lithotripter is needed to be provided.
Disclosure of Invention
The invention aims to provide a urinary surgery clinical lithotripter, which at least solves the problem that the baffle and the backing plate of the external lithotripter in the prior art cannot move intelligently.
In order to achieve the purpose, the invention provides the following technical scheme: a clinical lithotripter of uropoiesis surgery, includes the external lithotripter of uropoiesis, still includes: the shielding mechanism is detachably arranged at the rear end of the right side of the bottom of the workbench of the urinary extracorporeal lithotripter; the support mechanism is detachably arranged on the right side of the bottom of the workbench of the urinary extracorporeal lithotripter; the water receiving tray is detachably arranged at the bottom of the supporting mechanism.
The shielding mechanism comprises: the support plate is L-shaped, and is connected to the rear end of the right side of the bottom of the workbench of the urinary extracorporeal lithotripter through a screw; the motor is connected to the rear side of the bottom of the supporting plate through a screw, the output end of the motor extends out of the top of the supporting plate, and the motor is electrically connected with a control system of the urinary extracorporeal lithotripter; the limiting cylinders are detachably arranged at the top of the supporting plate and correspond to the motor, and the inner cavities of the limiting cylinders are provided with three limiting grooves from top to bottom; the rotating shaft is locked at the output end of the motor through a coupler; the number of the limiting blocks is three, the three limiting blocks are arranged on the outer wall of the rotating shaft from top to bottom, and the limiting blocks are inserted into the inner cavity of the limiting groove; the connecting rod is fixedly connected to the top of the rotating shaft; the baffle, the baffle can be dismantled and set up in the rear side of connecting rod, and baffle and external lithotripter's of uropoiesis workstation breach phase-match.
The limiting blocks are annular circular plates, and the rotating shaft is limited by the matching of the three groups of limiting grooves and the limiting blocks.
Preferably, the support mechanism includes: the base is detachably arranged on the right side of the bottom of the workbench of the urinary extracorporeal lithotripter; the air cylinder is connected to the center of the left inner wall of the base through a screw, and is electrically connected with a control system of the urinary extracorporeal lithotripter; the push plate is connected to the right side of the air cylinder through a screw; the two sliding sleeves are respectively and fixedly connected to the front end and the rear end of the right side of the base; the sliding rod is inserted into the inner cavity of the sliding sleeve, and the left side of the sliding rod is detachably connected with the right side of the push plate; the supporting pad is detachably arranged on the right side of the sliding rod; the fixing units are two, and the two fixing units are respectively connected to the front end and the rear end of the left side of the bottom of the supporting pad through screws.
Preferably, the fixing unit includes: the connecting plate is connected to the bottom of the supporting pad through screws; the positioning cylinder is fixedly connected to the left side of the connecting plate, and a positioning rod of the water receiving disc is inserted into an inner cavity of the positioning cylinder; and the fastening bolt is in threaded connection with the outer wall of the positioning barrel and abuts against the outer wall of the positioning rod of the water pan to lock the water pan.
Preferably, the outer wall of the sliding rod is hexagonal, and the inner cavity of the sliding sleeve is matched with the outer wall of the sliding rod.
The urological clinical stone crusher provided by the invention has the beneficial effects that:
according to the urinary external lithotripter, the baffle can move clockwise or anticlockwise through the shielding mechanism, the baffle can be ensured to be combined with and separated from a gap of a urinary external lithotripter workbench, the water receiving disc and the supporting pad can move left and right under the action of the supporting mechanism, urinary radiography examination can be met, urinary minimally invasive surgery can be met, the shielding mechanism and the supporting mechanism are intelligently controlled, medical workers do not need to repeatedly walk in a control area and a urinary external lithotripter area, time and labor are saved, the working labor intensity is low, the medical workers are prevented from being tired, the accuracy of urinary surgical examination and surgery is not affected, the number of patients to be treated can be increased in unit time, and the urinary external lithotripter.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the shielding mechanism shown in FIG. 1;
FIG. 3 is a left side sectional view of FIG. 2;
FIG. 4 is a front view of the support mechanism of FIG. 1;
FIG. 5 is a top cross-sectional view of FIG. 4;
FIG. 6 is a schematic view of the slide bar structure of FIG. 5;
fig. 7 is a schematic structural diagram of the fixing unit in fig. 4.
In the figure: 1. urinary external stone crusher, 2, shelter from the mechanism, 21, the backup pad, 22, motor, 23, spacing section of thick bamboo, 24, spacing groove, 25, pivot, 26, stopper, 27, connecting rod, 28, baffle, 3, supporting mechanism, 31, base, 32, cylinder, 33, push pedal, 34, sliding sleeve, 35, slide bar, 36, supporting pad, 37, the fixed unit, 371, connecting plate, 372, a location section of thick bamboo, 373, fastening bolt, 4, the water collector.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a clinical lithotripter of uropoiesis surgery, includes external lithotripter 1 of uropoiesis, still includes and shelters from mechanism 2, supporting mechanism 3 and water collector 4, shelters from mechanism 2 and can dismantle to set up in the workstation bottom right side rear end of external lithotripter 1 of uropoiesis, and supporting mechanism 3 can dismantle to set up in the workstation bottom right side of external lithotripter 1 of uropoiesis, and water collector 4 can be dismantled and set up in supporting mechanism 3's bottom, and water collector 4 is used for collecting the waste water when uropoiesis minimal access surgery.
The shielding mechanism 2 comprises a supporting plate 21, a motor 22, a limiting cylinder 23, limiting grooves 24, a rotating shaft 25, limiting blocks 26, a connecting rod 27 and a baffle 28, wherein the supporting plate 21 is L-shaped, the supporting plate 21 is in screwed connection with the rear end of the right side of the bottom of a workbench of the urinary extracorporeal lithotripter 1, the motor 22 is in screwed connection with the rear side of the bottom of the supporting plate 21, the output end of the motor 22 extends out of the top of the supporting plate 21 and is connected with the bottom of the rotating shaft 25 through a coupler, the motor 22 is electrically connected with a control system of the urinary extracorporeal lithotripter 1, the control system of the urinary extracorporeal lithotripter 1 controls the starting and stopping of the motor 22, so that the shielding mechanism 2 realizes intelligent control, the limiting cylinders 23 are detachably arranged at the positions corresponding to the top of the supporting plate 21 and the motor 22, the inner cavities of the limiting cylinders 23 are all provided with the limiting grooves 24 from top to, improve the rotatory stability of pivot 25, stopper 26 is three, and three stopper 26 sets up in the outer wall of pivot 25 from last to down, and stopper 26 pegs graft in the inner chamber of spacing groove 24, connecting rod 27 fixed connection is at the top of pivot 25, baffle 28 can be dismantled and set up in the rear side of connecting rod 27, and baffle 28 and the workstation breach phase-match of the external stone crusher 1 of uropoiesis, the upper surface of baffle 28 is in same horizontal plane with the workstation surface of the external stone crusher 1 of uropoiesis, ensure that baffle 28 can laminate with the workstation of the external stone crusher 1 of uropoiesis is complete.
The limiting block 26 is an annular circular plate, and the three sets of limiting grooves 24 are matched with the limiting block 26 to limit the rotating shaft 25, so that the stability of the rotating shaft 25 is further improved, and the supporting bearing capacity of the baffle 28 is improved.
As a preferable scheme, further, the supporting mechanism 3 includes a base 31, a cylinder 32, a push plate 33, sliding sleeves 34, a sliding rod 35, a supporting pad 36 and a fixing unit 37, the base 31 is detachably disposed at the right side of the bottom of the working table of the urinary extracorporeal lithotripter 1, the cylinder 32 is screwed to the center position of the left inner wall of the base 31, the cylinder 32 is electrically connected to the control system of the urinary extracorporeal lithotripter 1, the start and stop of the cylinder 32 is controlled by the control system of the urinary extracorporeal lithotripter 1, so as to achieve intelligent control of the supporting mechanism 3, the cylinder 32 is used for driving the push plate 33 to move left and right, the push plate 33 is screwed to the right side of the cylinder 32, the sliding sleeves 34 are two, the two sliding sleeves 34 are respectively and fixedly connected to the front end and the rear end of the right side of the base 31, the sliding, slide bar 35 alternates at the inner chamber of sliding sleeve 34, and the left side of slide bar 35 can be dismantled with the right side of push pedal 33 and be connected, supporting pad 36 can be dismantled and set up in the right side of slide bar 35, the upper surface of supporting pad 36 and the workstation surface of external stone crusher 1 of uropoiesis are on same horizontal plane, ensure that supporting pad 36 can form wholly with the workstation of external stone crusher 1 of uropoiesis, enlarge the workstation length of external stone crusher 1 of uropoiesis, be convenient for the support of patient's health, fixed unit 37 is two, and both ends around two fixed unit 37 difference screw connections are in the bottom left side of supporting pad 36.
As a preferred scheme, furthermore, the fixing unit 37 includes a connecting plate 371, a positioning cylinder 372 and a fastening bolt 373, the connecting plate 371 is screwed on the bottom of the supporting pad 36, the positioning cylinder 372 is fixedly connected on the left side of the connecting plate 371, and the positioning rod of the water pan 4 is inserted into the inner cavity of the positioning cylinder 372, the positioning cylinder 372 is used for supporting the water pan 4, the fastening bolt 373 is screwed on the outer wall of the positioning cylinder 372, and the fastening bolt 373 abuts against the outer wall of the positioning rod of the water pan 4 to lock the water pan 4, and the water pan 4 can be detached and mounted by rotation of the fastening bolt 373.
Preferably, the outer wall of the sliding rod 35 is hexagonal, and the inner cavity of the sliding sleeve 34 matches with the outer wall of the sliding rod 35, so as to further improve the stability between the sliding rod 35 and the sliding sleeve 34, and thus the supporting pad 36 can stably support the body of the patient.
The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.
When urinary radiography examination is required, the control system of the urinary extracorporeal lithotripter 1 controls the motor 22 to drive the rotating shaft 25 to rotate anticlockwise, the rotating shaft 25 drives the baffle 28 to rotate anticlockwise stably through the connecting rod 27 under the limit of the limit block 26 until the baffle 28 fills up the gap of the workbench of the urinary extracorporeal lithotripter 1, the motor 22 stops working, the air cylinder 32 is controlled to pull the push plate 33 to move towards the left side, the sliding rod 35 can slide towards the left side along the inner wall of the sliding sleeve 34, so that the supporting pad 36 and the water receiving disc 4 can move towards the left side horizontally, after the supporting pad 36 is contacted with the workbench of the urinary extracorporeal lithotripter 1, the air cylinder 32 stops working, the butt joint of the supporting pad 36 and the workbench of the urinary extracorporeal lithotripter 1 is completed, and a patient can stably lie on the workbench of the urinary extracorporeal lithotripter 1 to perform urinary radiography examination, when sewage, twist fastening bolt 373 soon, make fastening bolt 373 remove the fixed of 4 locating levers of butt joint water tray to the outside removal, alright make water tray 4 remove from a positioning cylinder 372 and empty, water tray 4 inserts in a positioning cylinder 372 during the installation, it can to screw fastening bolt 373, thereby when in-service use, can realize the intelligent removal of baffle 28 and supporting pad 36, need not medical personnel manual operation, time saving and labor saving, both save medical personnel's physical power, the implementation efficiency of external inspection of uropoiesis and minimal access surgery has been promoted again, help patient's treatment to use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A urological clinical lithotripter, includes uropoiesis external lithotripter (1), its characterized in that still includes:
the shielding mechanism (2) is detachably arranged at the rear end of the right side of the bottom of the workbench of the urinary extracorporeal lithotripter (1);
the support mechanism (3), the support mechanism (3) is detachably arranged on the right side of the bottom of the workbench of the urinary extracorporeal lithotripter (1);
the water receiving tray (4) is detachably arranged at the bottom of the supporting mechanism (3).
The shielding mechanism (2) comprises:
the support plate (21), the support plate (21) is L-shaped, and the support plate (21) is connected to the rear end of the right side of the bottom of the workbench of the urinary extracorporeal lithotripter (1) through screws;
the motor (22), the screw of the motor (22) is connected to the rear side of the bottom of the support plate (21), the output end of the motor (22) extends out of the top of the support plate (21), and the motor (22) is electrically connected with a control system of the urinary extracorporeal lithotripter (1);
the limiting cylinders (23) are detachably arranged at the corresponding positions of the top of the supporting plate (21) and the motor (22), limiting grooves (24) are formed in the inner cavity of each limiting cylinder (23) from top to bottom, and the number of the limiting grooves (24) is three;
the rotating shaft (25), the said rotating shaft (25) is locked at the output end of the electrical machinery (22) through the junction box;
the number of the limiting blocks (26) is three, the three limiting blocks (26) are arranged on the outer wall of the rotating shaft (25) from top to bottom, and the limiting blocks (26) are inserted into the inner cavity of the limiting groove (24);
the connecting rod (27), the said connecting rod (27) is fixedly connected to the top of the spindle (25);
baffle (28), baffle (28) can be dismantled and set up in the rear side of connecting rod (27), and baffle (28) and the workstation breach phase-match of external stone crusher (1) of uropoiesis.
The limiting blocks (26) are annular circular plates, and the rotating shaft (25) is limited by the matching of the three groups of limiting grooves (24) and the limiting blocks (26).
2. A urological clinical lithotripter as claimed in claim 1, wherein: the support mechanism (3) includes:
the base (31), the base (31) is detachably arranged at the right side of the bottom of the workbench of the urinary extracorporeal lithotripter (1);
the cylinder (32) is in screw connection with the center of the left inner wall of the base (31), and the cylinder (32) is electrically connected with a control system of the urinary extracorporeal lithotripter (1);
the push plate (33), the said push plate (33) is screwed on the right side of the air cylinder (32);
the number of the sliding sleeves (34) is two, and the two sliding sleeves (34) are fixedly connected to the front end and the rear end of the right side of the base (31) respectively;
the sliding rod (35) is inserted into the inner cavity of the sliding sleeve (34), and the left side of the sliding rod (35) is detachably connected with the right side of the push plate (33);
the supporting pad (36), the said supporting pad (36) is set up in the right side of the slide bar (35) removably;
the fixing units (37) are two, and the two fixing units (37) are respectively connected to the front end and the rear end of the left side of the bottom of the supporting pad (36) through screws.
3. A urological clinical lithotripter as claimed in claim 2, wherein: the fixing unit (37) comprises:
the connecting plate (371) is screwed at the bottom of the supporting pad (36);
the positioning cylinder (372) is fixedly connected to the left side of the connecting plate (371), and a positioning rod of the water receiving disc (4) is inserted into an inner cavity of the positioning cylinder (372);
and the fastening bolt (373), the fastening bolt (373) is screwed on the outer wall of the positioning cylinder (372), and the fastening bolt (373) abuts against the outer wall of the positioning rod of the water pan (4) to lock the water pan (4).
4. A urological clinical lithotripter as claimed in claim 2, wherein: the outer wall of the sliding rod (35) is hexagonal, and the inner cavity of the sliding sleeve (34) is matched with the outer wall of the sliding rod (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911247001.5A CN110916758B (en) | 2019-12-05 | 2019-12-05 | Clinical lithotripter of uropoiesis surgery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911247001.5A CN110916758B (en) | 2019-12-05 | 2019-12-05 | Clinical lithotripter of uropoiesis surgery |
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| CN110916758A CN110916758A (en) | 2020-03-27 |
| CN110916758B true CN110916758B (en) | 2020-10-20 |
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| CN201911247001.5A Active CN110916758B (en) | 2019-12-05 | 2019-12-05 | Clinical lithotripter of uropoiesis surgery |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2705121Y (en) * | 2004-04-23 | 2005-06-22 | 田均 | External shock wave lithotriptor |
| CN104840236A (en) * | 2015-05-19 | 2015-08-19 | 梅延辉 | Urology extracorporeal lithotriptor |
| CN104873245A (en) * | 2015-05-09 | 2015-09-02 | 王功勋 | Urologic extra-corporeal lithotripter |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19635233A1 (en) * | 1996-08-30 | 1998-03-12 | Siemens Ag | Microcomputer-controlled medical diagnostic or therapeutic apparatus |
| CN2643841Y (en) * | 2003-09-12 | 2004-09-29 | 李国俊 | Electric inclinable bed for external shock wave lithotrity |
| US20080281199A1 (en) * | 2007-05-09 | 2008-11-13 | Healthtronics, Inc. | System and method for a dual shock source lithotripsy system |
| EP2286743B1 (en) * | 2009-08-19 | 2013-07-31 | Dornier MedTech Systems GmbH | Lithotripsy apparatus |
| EP2470087B1 (en) * | 2009-08-26 | 2015-03-25 | The Regents Of The University Of Michigan | Devices for using controlled bubble cloud cavitation in fractionating urinary stones |
| DE102009048361A1 (en) * | 2009-10-06 | 2011-04-07 | Richard Wolf Gmbh | Medical therapy device |
| CN208640817U (en) * | 2017-07-07 | 2019-03-26 | 北京索迪医疗器械开发有限责任公司 | A kind of twin pulse extracorporeal shock wave lithotripsy system |
| CN208659466U (en) * | 2018-03-03 | 2019-03-29 | 龙世武 | A kind of medical twin pulse extra chock wave lithotriptor of ultrasound diagnosis room |
-
2019
- 2019-12-05 CN CN201911247001.5A patent/CN110916758B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2705121Y (en) * | 2004-04-23 | 2005-06-22 | 田均 | External shock wave lithotriptor |
| CN104873245A (en) * | 2015-05-09 | 2015-09-02 | 王功勋 | Urologic extra-corporeal lithotripter |
| CN104840236A (en) * | 2015-05-19 | 2015-08-19 | 梅延辉 | Urology extracorporeal lithotriptor |
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