CN112438775A - Urological urinary calculus stone breaking device - Google Patents
Urological urinary calculus stone breaking device Download PDFInfo
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- CN112438775A CN112438775A CN202011317909.1A CN202011317909A CN112438775A CN 112438775 A CN112438775 A CN 112438775A CN 202011317909 A CN202011317909 A CN 202011317909A CN 112438775 A CN112438775 A CN 112438775A
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- fixedly connected
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- side wall
- pipe
- air inlet
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- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
- A61B18/22—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
- A61B18/26—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor for producing a shock wave, e.g. laser lithotripsy
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- 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
- A61B2017/22051—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 with an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation
- A61B2017/22065—Functions of balloons
Abstract
The invention discloses a urinary surgery lithangiuria device, which comprises a shell, wherein the left side of the shell is fixedly connected with an inner cavity, the left side of the shell is slidably connected with an outer cavity, the inner top of the shell is fixedly connected with an air pressure groove, the inner part of the air pressure groove is slidably connected with a sliding plate, the bottom of the sliding plate is fixedly connected with an electric push rod, the electric push rod penetrates through the air pressure groove, and the right side of the air pressure groove is fixedly connected with an air inlet, the gas passes through the connecting pipe, and the whole-course stable operation of the device is realized by utilizing the gas pressure effect of the gas.
Description
Technical Field
The invention relates to the technical field of calculus smashing, in particular to a urinary surgery urinary calculus smashing device.
Background
Urinary calculi are formed in kidney and bladder, the forming mechanism, the cause, the stone components and the epidemiology of the upper urinary calculi and the lower urinary calculi are obviously different, most of the upper urinary calculi are calcium oxalate calculi, more magnesium ammonium phosphate calculi are found in the urinary bladder calculi than those in the upper urinary tract, the upper urinary calculi are divided into calculi related to metabolic factors and infectious calculi according to the difference of the forming mechanism of the upper urinary calculi, the metabolic calculi are caused by metabolic disorders, such as hyperparathyroidism, hyperuricemia, hyperoxaluria and the like caused by various reasons, the renal tubules are damaged by high-concentration chemical components, matrix substances in urine are increased, salts are separated out to form the calculi, the infectious calculi are caused by that bacteria generating urease decompose urea in the urine to generate ammonia, the urine is alkalized, phosphate, ammonium urate and the like in the urine are in a relatively over-saturated state, the calculus, i.e. the solid block formed in the duct cavity or cavity of cavity organ in human body or animal body, mainly seen in gallbladder, bladder and renal pelvis, also seen in the cavity of pancreatic duct and salivary gland duct, is formed from inorganic salt or organic matter, and the calculus generally has a core formed from desquamated epithelial cell, bacterial mass, parasitic ovum or insect body, fecal mass or foreign body, and the inorganic salt or organic matter is deposited on the core layer by layer.
The calculus can cause lumen obstruction, influences the discharge of organ liquid, produces symptoms such as pain, hemorrhage or secondary infection, and current urinary system calculus rubble device often causes very big wound surface when handling the calculus, has brought very big misery for the patient to the calculus is handled unclean, does not take out the rubble, and rubble residue remains in the urinary system in addition, has left the follow-up hidden danger that forms the calculus once more, for this reason we have proposed a uropoiesis surgery urinary calculus rubble device, solves above problem.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a urinary surgery lithangiuria lithotripter.
In order to achieve the purpose, the invention adopts the following technical scheme:
a urinary surgery lithangiuria lithotripsy device comprises a shell, wherein an inner cavity is fixedly connected to the left side of the shell, an outer cavity is slidably connected to the left side of the shell, an air pressure groove is fixedly connected to the inner top of the shell, a sliding plate is slidably connected to the inner part of the air pressure groove, an electric push rod is fixedly connected to the bottom of the sliding plate and penetrates through the air pressure groove, an air inlet is fixedly connected to the right side of the air pressure groove, an air inlet mechanism is arranged on the inner side wall of the air inlet, a connecting pipe is fixedly connected to the left side of the air pressure groove, an air exhaust mechanism is arranged on the inner side wall of the connecting pipe, a shunt pipe is fixedly connected to the left side of the connecting pipe, a blocking plate is slidably mounted at the inner top of the shunt pipe, a pushing pipe is fixedly connected to the, the bottom of shunt tubes and the inner cavity are fixedly connected, the inner cavity is communicated with the shunt tubes, the right side of the inner cavity is fixedly connected with a right air inlet plate, the inner side wall of the inner cavity is fixedly connected with a left air inlet plate, the inner side wall of the inner cavity is hermetically and slidably connected with a push plate, the left side of the push plate is fixedly connected with an inlet pipe, the inlet pipe penetrates through the left air inlet plate, the inner side wall of the inlet pipe is fixedly connected with a stop block, the inner side wall of the outer cavity is fixedly connected with a support plate, the right top of the inlet pipe is provided with an air inlet groove, the inner side wall of the inlet pipe is slidably connected with an inflation block, the left end of the inlet pipe is fixedly connected with a connecting block, the inner side wall of the connecting block is fixedly connected with an inflation tube, the outer side wall of the inflation, the left side fixedly connected with connector of gas tube, the left side fixed mounting of connector has the camera, the broken mouth of left side fixedly connected with laser of connector, locking mechanism has been seted up on the lateral wall of outer cavity.
Preferably, the air inlet mechanism includes the fixed block of fixed connection on the air inlet inside wall, the left side fixedly connected with telescopic link of fixed block, the left side fixedly connected with air inlet plate of telescopic link, first spring is established to the cover on the lateral wall of telescopic link.
Preferably, the exhaust mechanism includes the axis of rotation connection on the connecting pipe inside wall, the overcoat of axis of rotation is equipped with torsion spring, fixedly connected with rotor plate on the lateral wall of axis of rotation, it is tight to offset between torsion spring's the bottom and the connecting pipe inside wall, fixed connection between torsion spring's the other end and the rotor plate, the interior top fixedly connected with dog of connecting pipe.
Preferably, locking mechanism includes the stopper of fixed connection on outer cavity lateral wall, sliding connection has the check lock lever on the stopper inside wall, fixedly connected with latch segment on the casing lateral wall, the locking groove has been seted up on the latch segment morning inside wall, sliding connection has little latch segment in the locking groove, the top fixedly connected with pull rod of little latch segment, the cover is equipped with the second spring on the lateral wall of pull rod, the pull rod runs through the top of latch segment.
Preferably, the shunt is an "Jiong" type arrangement.
Preferably, the outer diameter of the outer cavity is smaller than the inner diameter of the shell, and the outer side wall of the outer cavity is matched with the inner side wall of the shell.
Preferably, the inflation holes are symmetrically arranged, and the number of the inflation holes is twelve.
Preferably, the second spring is made of stainless steel material, and the second spring is an elastic spring.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the matching use of the air pressure groove, the electric push rod, the sliding plate, the air inlet mechanism and the air outlet mechanism, the electric push rod is started to push the sliding plate downwards, the airflow is sucked into the air pressure groove through pushing the air inlet plate, the push pipe is pushed forwards, the left air inlet is blocked by the blocking plate, the electric push rod is lifted upwards, the sliding plate extrudes the air, the rotating plate in the pipe opening of the connecting pipe is further opened, the air passes through the connecting pipe, and the whole stable operation of the device is realized by utilizing the air pressure effect of the air.
2. Through the matching use among the pushing tube, the blocking plate, the shunt tube, the connecting tube, the inner cavity, the pushing plate, the inlet and outlet tubes, the air bag and the inflating block, gas enters from the right side of the shunt tube, after the gas enters the inner cavity, the pushing plate can be moved forward, the pushing tube can be pushed backward, the blocking plate can block the right side of the shunt tube from entering, the gas can enter from the right side of the shunt tube, after the gas enters the inner cavity, the gas firstly enters the inner part of the inlet and outlet tube through the communicating groove formed at the top of the inlet and outlet tube, the gas extrudes the inflating block, the air bag at the end part of the inlet and outlet tube can be gradually enlarged by the continuous forward movement of the inflating block, the inflating inside of the inlet and outlet tube stops inflating when the inflating block is abutted against the blocking block, the continuously inflated gas can push the pushing plate and move backward, so that the, the broken gravels are taken out of the body of the patient, and hidden danger caused by the residual gravels is avoided.
3. Through the stopper, the latch segment, the check lock lever, the pull rod, cooperation between the little latch segment is used, make the pull rod drive the earlier inside removal of little latch segment, remove the limiting displacement of little latch segment to the latch segment, pull out the check lock lever, can part outer cavity and casing, the disinfection is cleared up to outer cavity and business turn over pipe, after accomplishing the sterile work of clearance, be connected outer cavity and casing, insert the check lock lever in stopper and check lock block, the spring action of second spring will make little latch segment locking tie rod once more this moment, with outer cavity and casing inseparable connection, realize the quick dismantlement installation to the device.
In summary, the device disclosed by the invention utilizes the air suction and air pushing of the air pressure tank, then the flow distribution pipe is used for pushing the inlet and outlet pipes inwards to crush the stones, the air sac is filled, the inlet and outlet pipes are moved outwards to take out the stones and the stones through the outer cavity, and the locking mechanism is used for quickly disassembling and assembling the device, so that the device is convenient to clean and sterilize.
Drawings
Fig. 1 is a schematic structural view of a urological lithangiuria lithotripter according to the present invention;
FIG. 2 is a schematic view of a portion of a urological lithangiuria device according to the present invention;
fig. 3 is an enlarged view of the urological lithangiuria lithotripter a according to the present invention;
FIG. 4 is an enlarged view of the urological lithangiuria device B of the present invention;
FIG. 5 is an enlarged view of the urological lithangiuria device C of the present invention;
fig. 6 is an enlarged view of the urological lithangiuria device D according to the present invention.
In the figure: the device comprises a shell 1, an inner cavity 2, an outer cavity 3, a pressure groove 4, a sliding plate 5, an air inlet 6, a connecting pipe 7, a shunt pipe 8, a blocking plate 9, a pushing pipe 10, a pull rod 11, an electric push rod 12, an inlet and outlet pipe 13, an air inlet plate 14, a pushing plate 15, a left air inlet plate 16, a blocking block 17, a supporting plate 18, a limiting block 19, a connecting head 20, a laser crushing port 21, a camera 22, an air charging pipe 23, an air charging hole 24, an air bag 25, a fixing block 26, a first spring 27, a telescopic rod 28, an air inlet plate 29, a rotating plate 30, a limiting block 31, a torsion spring 32, a rotating shaft 33, a locking rod 34, a locking block 35, a small locking block 36.
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.
Referring to fig. 1-6, a urinary surgery lithangiuria device comprises a shell 1, an inner cavity 2 is fixedly connected to the left side of the shell 1, an outer cavity 3 is slidably connected to the left side of the shell 1, an air pressure groove 4 is fixedly connected to the inner top of the shell 1, a sliding plate 5 is slidably connected to the inner portion of the air pressure groove 4, an electric push rod 12 is fixedly connected to the bottom of the sliding plate 5, the electric push rod 12 penetrates through the air pressure groove 4, an air inlet 6 is fixedly connected to the right side of the air pressure groove 4, an air inlet mechanism is arranged on the inner side wall of the air inlet 6, the air inlet mechanism comprises a fixed block 26 fixedly connected to the inner side wall of the air inlet 6, a telescopic rod 28 is fixedly connected to the left side of the fixed block 26, an air inlet plate 29 is fixedly connected to the left side of the telescopic rod 28, exhaust mechanism is including rotating the axis of rotation 33 of connection on the connecting pipe 7 inside wall, the overcoat of axis of rotation 33 is equipped with torsion spring 32, fixedly connected with rotor plate 30 on the lateral wall of axis of rotation 33, it is tight to offset between torsion spring 32's the bottom and the connecting pipe 7 inside wall, fixed connection between torsion spring 32's the other end and the rotor plate 30, the interior top fixedly connected with dog 31 of connecting pipe 7, electric putter 12 is ascending, sliding plate 5 extrudees gas, and then open rotor plate 30 in connecting pipe 7 mouth, make gas pass through connecting pipe 7, utilize gaseous atmospheric pressure effect, realize the whole journey steady operation of device.
A shunt pipe 8 is fixedly connected to the left side of the connecting pipe 7, a blocking plate 9 is slidably mounted at the inner top of the shunt pipe 8, a push pipe 10 is fixedly connected to the right side of the blocking plate 9, the push pipe 10 penetrates through the right side wall of the shunt pipe 8, a push groove is formed in the top of the shell 1, the bottom of the shunt pipe 8 is fixedly connected with the inner cavity 2, the inner cavity 2 is communicated with the shunt pipe 8, a right air inlet plate 14 is fixedly connected to the right side of the inner cavity 2, a left air inlet plate 16 is fixedly connected to the inner side wall of the inner cavity 2, a push plate 15 is hermetically and slidably connected to the inner side wall of the inner cavity 2, an inlet pipe 13 is fixedly connected to the left side of the push plate 15, the inlet pipe 13 penetrates through the left air inlet plate 16, a blocking block 17 is fixedly connected to the inner side wall of the inlet pipe 13, a supporting plate 18 is fixedly connected to the inner, the left end fixedly connected with connecting block of business turn over pipe 13, fixedly connected with gas tube 23 on the connecting block inside wall, gas charging hole 24 has been seted up on the lateral wall of gas tube 23, fixedly connected with gasbag 25 on the lateral wall of gas tube 23, the left side fixedly connected with connector 20 of gas tube 23, the left side fixed mounting of connector 20 has camera 22, the broken mouth 21 of left side fixedly connected with laser of connector 20, observe out behind the position of calculus through camera 22, utilize the broken mouth 21 of laser of front end, smash the calculus rapidly, bring out the broken rubble after the breakage the patient is internal, avoid remaining the rubble and form the hidden danger once more.
Locking mechanism has been seted up on outer cavity 3's the lateral wall, locking mechanism includes stopper 19 of fixed connection on outer cavity 3 lateral wall, sliding connection has check lock lever 34 on the 19 inside walls of stopper, fixedly connected with latch segment 35 on the 1 lateral wall of casing, the locking groove has been seted up on the latch segment 35 morning inside wall, sliding connection has little latch segment 36 in the locking groove, the top fixedly connected with pull rod 11 of little latch segment 36, the cover is equipped with second spring 37 on the lateral wall of pull rod 11, pull rod 11 runs through the top of latch segment 35, second spring 37 is made for stainless steel material, second spring 37 is elastic spring, the realization is with the quick dismantlement installation of device, be convenient for medical personnel clearance disinfection.
When the invention is used, the outer cavity 3 is led into a patient, the electric push rod 12 is started, the sliding plate 5 is pushed downwards, the airflow is sucked into the pneumatic groove 4 by pushing the air inlet plate 9, the push tube 10 is pushed forwards, the blocking plate 9 blocks the left side air inlet, the electric push rod 12 is lifted upwards, the sliding plate 5 extrudes the air, the rotating plate 30 in the opening of the connecting pipe 7 is further opened, the air enters from the right side of the shunt pipe 8 through the connecting pipe 7, the push plate 15 is moved forwards after the air enters the inner cavity 2, the inlet and outlet pipe 13 can be moved forwards, the laser crushing opening 21 at the front end is utilized to rapidly crush the calculus after the position of the calculus is observed through the camera 22, the air is continuously pushed, the inlet and outlet pipe 13 passes through the crushed calculus, the advancing is stopped, the push tube 10 is pushed backwards, the blocking plate 9 blocks the right side air inlet of the shunt pipe 8, gas enters from the right side of the shunt pipe 8, after the gas enters the inner cavity 2, the gas firstly enters the inner part of the inlet and outlet pipe 13 through the communicating groove arranged at the top of the inlet and outlet pipe 13, the gas extrudes the inflation block, the airbag 25 at the end part of the inlet and outlet pipe 13 is gradually enlarged by the continuous forward movement of the inflation block, the inflation inside of the inlet and outlet pipe 13 stops when the inflation block abuts against the blocking block 17, the continuously inflated gas pushes the push plate 15 to move backwards, the crushed stone is driven to the inner part of the outer cavity 3 by the enlarged airbag 25, the device can be taken out, after the process of crushing and taking the stone is completed, the pull rod 11 is pulled, the pull rod 11 drives the small lock block 36 to move inwards firstly, the limiting effect of the small lock block 26 on the lock rod 34 is removed, the lock rod 34 is pulled out, the outer cavity 3 can be separated from the shell 1, the outer cavity 3 and the inlet and outlet pipe 13 are cleaned and disinfected, and after, be connected outer cavity 3 and casing 1, insert stopper 19 and latch segment 35 with check lock lever 34 in, the spring action of second spring 37 will make little latch segment 36 lock tight lever 34 once more this moment, and then with outer cavity 33 and the inseparable connection of casing 1, realize the quick dismantlement installation to the device.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a uropoiesis surgery lithangiuria device, includes casing (1), its characterized in that, cavity (2) in the left side fixedly connected with of casing (1), the left side sliding connection of casing (1) has outer cavity (3), the interior top fixedly connected with pneumatic groove (4) of casing (1), the inside sliding connection of pneumatic groove (4) has sliding plate (5), the bottom fixedly connected with electric putter (12) of sliding plate (5), electric putter (12) run through pneumatic groove (4), the right side fixedly connected with air inlet (6) of pneumatic groove (4), air inlet mechanism has been seted up on the inside wall of air inlet (6), the left side fixedly connected with connecting pipe (7) of pneumatic groove (4), exhaust mechanism has been seted up on the inside wall of connecting pipe (7), the left side fixedly connected with shunt tubes (8) of connecting pipe (7), the interior top slidable mounting of shunt tubes (8) has stop plate (9), the right side fixedly connected with of stop plate (9) promotes pipe (10), the right side wall that runs through shunt tubes (8) of promotion pipe (10), the promotion groove has been seted up at the top of casing (1), fixed connection between the bottom of shunt tubes (8) and interior cavity (2), be linked together between interior cavity (2) and shunt tubes (8), the right side fixedly connected with right inlet plate (14) of interior cavity (2), fixedly connected with left inlet plate (16) on the inside wall of interior cavity (2), sealed sliding connection has push plate (15) on the inside wall of interior cavity (2), the left side fixedly connected with business turn over pipe (13) of push plate (15), business turn over pipe (13) runs through left inlet plate (16), fixedly connected with blocks piece (17) on the inside wall of business turn over pipe (13), fixedly connected with backup pad (18) on the inside wall of outer cavity (3), the air inlet duct has been seted up at the right top of business turn over pipe (13), sliding connection has the pump block on the inside wall of business turn over pipe (13), the left end fixedly connected with connecting block of business turn over pipe (13), fixedly connected with gas tube (23) on the connecting block inside wall, inflation hole (24) have been seted up on the lateral wall of gas tube (23), fixedly connected with gasbag (25) on the lateral wall of gas tube (23), left side fixedly connected with connector (20) of gas tube (23), the left side fixed mounting of connector (20) has camera (22), the broken mouth of left side fixedly connected with laser (21) of connector (20), locking mechanism has been seted up on the lateral wall of outer cavity (3).
2. A urinary surgery lithangiuria device as claimed in claim 1, characterized in that the air inlet mechanism comprises a fixed block (26) fixedly connected to the inner side wall of the air inlet (6), a telescopic rod (28) is fixedly connected to the left side of the fixed block (26), an air inlet plate (29) is fixedly connected to the left side of the telescopic rod (28), and a first spring (27) is sleeved on the outer side wall of the telescopic rod (28).
3. A urinary calculus lithotripsy apparatus as claimed in claim 1, wherein the air exhaust mechanism comprises a rotation shaft (33) rotatably connected to the inner side wall of the connection tube (7), the outer sleeve of the rotation shaft (33) is provided with a torsion spring (32), the outer side wall of the rotation shaft (33) is fixedly connected with a rotation plate (30), the bottom of the torsion spring (32) is tightly abutted against the inner side wall of the connection tube (7), the other end of the torsion spring (32) is fixedly connected with the rotation plate (30), and the inner top of the connection tube (7) is fixedly connected with a stop (31).
4. The urological urinary calculus lithotripsy device according to claim 1, wherein the locking mechanism comprises a limiting block (19) fixedly connected to the outer side wall of the outer cavity (3), a locking rod (34) is slidably connected to the inner side wall of the limiting block (19), a locking block (35) is fixedly connected to the outer side wall of the shell (1), a locking groove is formed in the inner side wall of the locking block (35) in the morning, a small locking block (36) is slidably connected to the locking groove, a pull rod (11) is fixedly connected to the top of the small locking block (36), a second spring (37) is sleeved on the outer side wall of the pull rod (11), and the pull rod (11) penetrates through the top of the locking block (35).
5. A urological urinary calculus lithotripsy device according to claim 1, characterized in that the shunt tube (8) is of the "Jiong" type arrangement.
6. A urinary surgical lithangiuria device as claimed in claim 1, characterized in that the outer diameter of the outer lumen (3) is smaller than the inner diameter of the housing (1), the outer side wall of the outer lumen (3) fitting over the inner side wall of the housing (1).
7. A urinary surgical lithangiuria device as claimed in claim 1, wherein the inflation holes (24) are symmetrically disposed, and the number of inflation holes (24) is twelve.
8. A urinary surgical lithangiuria device as claimed in claim 4, wherein the second spring (37) is made of stainless steel material and the second spring (37) is a spring.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011317909.1A CN112438775B (en) | 2020-11-23 | 2020-11-23 | Urological urinary calculus stone breaking device |
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| CN202011317909.1A CN112438775B (en) | 2020-11-23 | 2020-11-23 | Urological urinary calculus stone breaking device |
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| CN112438775B CN112438775B (en) | 2021-09-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113749765A (en) * | 2021-09-28 | 2021-12-07 | 山东大学第二医院 | Laser stone crushing and removing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113749765A (en) * | 2021-09-28 | 2021-12-07 | 山东大学第二医院 | Laser stone crushing and removing device |
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| CN112438775B (en) | 2021-09-14 |
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