CN104840234A - Percutaneous nephroscope lead-in sheath capable of monitoring perfusion suction pressure in real time - Google Patents

Percutaneous nephroscope lead-in sheath capable of monitoring perfusion suction pressure in real time Download PDF

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Publication number
CN104840234A
CN104840234A CN201510285552.6A CN201510285552A CN104840234A CN 104840234 A CN104840234 A CN 104840234A CN 201510285552 A CN201510285552 A CN 201510285552A CN 104840234 A CN104840234 A CN 104840234A
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CN
China
Prior art keywords
perfusion
sheath
pipeline
pressure
joint
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.)
Pending
Application number
CN201510285552.6A
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Chinese (zh)
Inventor
曹富建
王养民
陈志强
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.)
Zhengzhou Fujianda Medical Apparatus & Instruments Co Ltd
Original Assignee
Zhengzhou Fujianda Medical Apparatus & Instruments Co Ltd
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Publication date
Application filed by Zhengzhou Fujianda Medical Apparatus & Instruments Co Ltd filed Critical Zhengzhou Fujianda Medical Apparatus & Instruments Co Ltd
Priority to CN201510285552.6A priority Critical patent/CN104840234A/en
Publication of CN104840234A publication Critical patent/CN104840234A/en
Pending legal-status Critical Current

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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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/03Detecting, measuring or recording fluid pressure within the body other than blood pressure, e.g. cerebral pressure; Measuring pressure in body tissues or organs
    • A61B5/036Detecting, measuring or recording fluid pressure within the body other than blood pressure, e.g. cerebral pressure; Measuring pressure in body tissues or organs by means introduced into body tracts
    • A61M1/0058
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M27/00Drainage appliance for wounds or the like, i.e. wound drains, implanted drains
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M3/00Medical syringes, e.g. enemata; Irrigators
    • A61M3/02Enemata; Irrigators
    • 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
    • A61B2017/22072Implements 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 instrument channel, e.g. for replacing one instrument by the other
    • 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
    • A61B2017/22079Implements 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 suction of debris
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M3/00Medical syringes, e.g. enemata; Irrigators
    • A61M3/02Enemata; Irrigators
    • A61M3/0204Physical characteristics of the irrigation fluid, e.g. conductivity or turbidity
    • A61M3/0216Pressure

Abstract

The invention relates to a percutaneous nephroscope lead-in sheath capable of monitoring perfusion suction pressure in real time and aims to solve the problems that perfusion pressure cannot be monitored in real time and adjusted automatically in the prior art. The percutaneous nephroscope lead-in sheath comprises a sheath body, a liquid flow loop system in the sheath body, a perfusion connector arranged on the sheath body, a pressure sensing passage and a pressure sensing module. The liquid flow loop system comprises a perfusion pipeline and a suction pipeline, the perfusion connector serves as an inlet of the perfusion pipeline, a suction connector and a pressure dispersing hole are formed at two ends of the suction pipeline respectively, the pressure sensing passage is fixed on the side wall of the suction connector, and the pressure sensing module in the pressure sensing passage comprises a signal receiving unit, a signal processing unit and a sensor. The percutaneous nephroscope lead-in sheath has the advantages that the pressure sensing passage provided with a power module can sense pressure in an organ anytime through a pressure sensor line and the precision sensor and cannot interfere normal dilation of a dilator; interference between the suction pipeline and the perfusion pressure sensing passage can be avoided; the percutaneous nephroscope lead-in sheath is good in sealing effect and precise in flow control.

Description

The PCN of energy Real-Time Monitoring perfusion suction pressure imports sheath
Technical field
The present invention relates to the auxiliary facilities of a kind of rubble operation, particularly a kind of PCN of energy Real-Time Monitoring perfusion suction pressure imports sheath.
Background technology
Percutaneous nephrolithotomy, be exactly waistset up a passage from skin to kidney, by this passage, kidney mirror is inserted kidney, utilize laser, the rock breaking tool such as ultrasonic, renal calculussmash taking-up.And in operation, in order to constantly improve the facility of operation technique and the safety promoting patient, for the medical apparatus and instruments that percutaneous nephrolithotomy is used, also in continuous improvement.
Disclose PCN in prior art and attract sheath, the clear stone sheath of rubble is attracted as Chinese patent literature CN201256994Y discloses a kind of percutaneous kidney Minimally invasion, it is by sealing device, suction device, and metal sheath is interconnected and forms, suction device and metal sheath make one, its side draught pipe is connected with funnelform convolution chamber, sealing device is flexibly connected with metal sheath, centre is provided with sealing ring, the advantage of the program is, combining standard percutaneous kidney attracts sheath and Minimally invasion to attract sheath, but in life-time service, find that its service life is low, be not easy to cleaning.Patent documentation CN20198766U provides a kind of percutaneous kidney channel sheath, it comprises epitheca, and epitheca comprises epitheca bar, epitheca joint and epitheca penstock, epitheca joint three sections of openings, the lower ending opening place of epitheca joint is connected with epitheca, and the side opening part of epitheca joint is connected with epitheca penstock, and the end of epitheca bar is also provided with side opening, although be convenient to cleaning, but its complex structure, repeatedly, medical personnel operate and use inconvenience adjustment process.
In prior art, ubiquitous defect cannot measure pressure exactly, and machine construction is complicated, and easy cavity pressure is excessive causes pyemia.And in Chinese utility model patent 201410637463.9, describe real-time pressure tester in the operation of a kind of PCN, provide a kind of PCN with sensor to import sheath, measure pressure in real time.But in the middle of practical application, very little based on sheath pipe diameter, be about 4mm, and pressure transducer size is generally at 2 mm, thus setting up sensor installation at sheath pipe end and directly measure pressure, is a kind of mode being difficult to realize in actual applications, although limit the little sensor of a kind of hard in this patent, still be difficult to work under long-term pressure state, through the flushing of liquid stream.
So in present stage technology, lacking a kind of can be the percutaneous kidney channel sheath that equipment is divert one's attention without the need to surgical staff in Real-Time Monitoring, structure simple, long service life, operation process.
Summary of the invention
Object of the present invention is exactly cannot the self-adjusting problem of Real-Time Monitoring in order to solve in prior art injection pressure, provide a kind of can the machine of the intraorganic pressure of Real-time Feedback so that the flow controlling perfusion and attract.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
The PCN designing a kind of energy Real-Time Monitoring perfusion suction pressure imports sheath, comprise the perfusion joint that liquid stream circuit system in sheath body, sheath body and sheath body are arranged, liquid stream circuit system comprises perfusion pipeline and attraction pipeline, the entrance of perfusion pipeline is perfusion joint, one end of attraction pipeline is for attracting joint, the other end is provided with pressure dispense orifice, and this importing sheath also comprises the pressure sensitive passage be located at altogether and attracted joint and suction catheter sidewall, and pressure sensitive module; Described pressure sensitive module comprises the sensor, information process unit and the information output unit that are connected by circuit correspondence, described sensor is located at the initiating terminal of described pressure sensitive passage, and described information process unit and information output unit are arranged on the terminal of described pressure sensitive passage.
Information output unit comprises alarm lamp, nixie display and/or buzzer.Preferably, sensor is arranged on the sidewall of importing sheath end.
Preferably, the end of attraction pipeline is provided with pipeline locating snap ring.
Preferably, perfusion joint is that tubular structure becomes 100 ~ 150 ° of angles with attraction pipeline, and this perfusion joint is corresponding with the aperture of attraction pipeline.
Preferably, sheath body and perfusion joint are made up of metal material.
Preferably, the aperture of pressure dispense orifice is not more than 1mm.
Preferably, attraction pipeline end has attraction pipeline sealing ring.
Preferably, attraction pipeline is arranged on the side attracting joint.
Preferably, pouring into joint is that tubular structure becomes 120 ° of angles with attraction pipeline.
Beneficial effect of the present invention is:
(1) the self-powered module of pressure sensitive passage, by pressure transducer circuit and sophisticated sensor, while the work of sheath pipeline, can pressure in moment induction mechanism by pressure sensitive passage, prevent from intracavity from pressing through to damage patient greatly, especially control pyemia.The circuit of pressure transducer is in sheath pipeline sidewall and have arch excessive, to dilator normal expansion without interference.
(2) structure of integral type is convenient to molding manufacture, and in embody rule, the angle of about 120 degree is convenient to liquid stream and is flowed to stable, and be convenient to later stage cleaning, when being convenient to manufacture, the manufacture of mould, extends the service life of instrument simultaneously;
(3) attraction pipeline and injection pressure induction channels are placed in and pour into joint both sides, avoid the generation producing interference situation each other;
(4) each seam is provided with corresponding sealing ring, and sealing effectiveness is good, and the connection of sensor and main frame, the accurate control of main frame, reaches the technique effect of accurate flow control, facilitates medical personnel to operate.
Accompanying drawing explanation
Fig. 1 is the structural representation that PCN of the present invention imports sheath;
Fig. 2 is for overlooking direction schematic diagram shown in Fig. 1;
Fig. 3 is pressure sensitive module sensor zoomed-in view;
Fig. 4 is that pressure sensitive module overlooks direction zoomed-in view;
Fig. 5 is sheath line end zoomed-in view;
Each component names in figure: 1. attract joint; 2. seal cover; 3. sealing ring; 4. attraction pipeline; 5. percutaneous kidney sheath pipeline; 6. pressure sensitive passage; 7. pressure dispense orifice; 8. attraction pipeline locating snap ring; 9. sensor; 10. sensor line; 11. pressure sensitive modules; 12. alarm lamps; 13. nixie displaies; 14. buzzers; 15. arrange adjustment button; 16. Tape movement power supply mainboards.
Detailed description of the invention
Embodiment: a kind of PCN of energy Real-Time Monitoring perfusion suction pressure imports sheath, see Fig. 1 to Fig. 5, comprise sheath body, the perfusion joint that liquid stream circuit system in sheath body and sheath body are arranged, liquid stream circuit system comprises perfusion pipeline and attraction pipeline 4, the entrance of perfusion pipeline is perfusion joint, one end of attraction pipeline 4 is for attracting joint 1, the other end is provided with pressure dispense orifice 7, also comprise the pressure sensitive passage 6 being fixed on and attracting joint 1 sidewall, the corresponding position of this pressure sensitive passage 6 is provided with pressure sensitive module 11, pressure sensitive module 11 comprises the sensor be connected by circuit, information process unit and information output unit, described sensor is at the initiating terminal of pressure sensitive passage 6, information process unit and information output unit are in the terminal of pressure sensitive passage 6.
Information output unit comprises alarm lamp, nixie display and buzzer.Sensor is arranged on the sidewall of importing sheath end.The end of attraction pipeline 4 is provided with pipeline locating snap ring.Perfusion joint is that tubular structure and attraction pipeline 4 form an angle, and this perfusion joint is corresponding with the aperture of attraction pipeline 4.Sheath body and perfusion joint are made up of metal material.The aperture of pressure dispense orifice 7 is not more than 1mm.Attraction pipeline 4 end has attraction pipeline sealing ring.Attraction pipeline 4 is arranged on the side attracting joint 1.Seal cover 2, sealing ring 3, attraction pipeline 4 is all connected to and attracts on joint 1.Wherein, sealing ring 3 is fixed on and attracts joint 1 inner, and seal cover 2 is fixed on and attracts joint 1 top.Attraction pipeline 4 is fixed on sidewall, attracts joint 1 inside to have a uniform diameters sheath pipeline, facilitates attraction to complete with attraction pipeline 4 one-tenth 120 ° of angles.Seal cover 2 is arranged on and attracts on joint, sealing ring 3 is installed on and attracts in joint 1, attraction pipeline 4 makes one with attracting joint, attract the external attraction pipeline 4 of joint 1, end has locating snap ring, plays sealing function during attraction, the effect of fastening next stage pipeline, make suction pressure constant, flow is accurate, prevents leakage.Pressure sensitive passage 6 is fixed on and attracts, on joint 1 sidewall, to carry pressure nixie display 13, alarm lamp 12, buzzer 14, and independently-powered.Pressure data instant playback, in nixie display 13 surface, facilitates medical personnel to observe surgical state in time.Attract joint 1 and percutaneous kidney sheath pipeline to make one, be made up of metal material, there is rigidity, can not be out of shape, be convenient to the surgical work under process complex passages.
Signal line is fixed in sheath pipeline sidewall, and end connecting sensor, is encapsulated on sidewall, on normal expansion and the impact of work nothing of expansion sheath.End has pressure dispense orifice 7, ensures pressure display accurately.Pressure can also feed back to master control system, and via controller gives weak electric signal after judging identification, and makes corresponding control stop work.
Pressure data is after importing main frame into, can according to the account form analyzing and processing data pre-set, finally draw perfusion and attract controlling party to Control Cooling, then this control signal is passed to mechanical moving element, and then control the injection pressure of perfusion attraction system, irrigation flow, suction pressure, attraction flow etc.
Case one:
Open XX, man, 41 years old, kidney stone disruption attracts operation.The reasonable force value that human body can bear is at-20 ~ 30mmHg.When implementing operation, the setting value of equipment is 5mmHg, and pressure inductor induction pressure is 13mmHg, feeds back to control assembly, nixie display display 13mmHg, alarm lamp 12 blinking red lamp simultaneously, the short warning of buzzer 3 sound.Be pulled outwardly mirror after doctor sees, the charge pump rotating speed of perfusion attraction system reduces, and adsorption pump rotating speed raises, and automatically regulate perfusion and suction pressure and flow, in 2 seconds, pressure revert to 5mmHg.The domain of walker of pressure reduction fluctuates at 5mmHg, and whole process only needs 1 doctor just can complete this automatic process regulated, and in operation process, operator can select different reference pressures as the data of controller as required.After main frame receives control message, according to signal content adjustment injection pressure, discharge, suction pressure equivalent, and import result into transfer end, so repeatedly, complete the Based Intelligent Control of feedback-type.
Finally it should be noted that, above person is only section Example of the present invention, and is not used to limit the present invention, and according to structure of the present invention and feature, the modifications person of forming a little, also should be included within the scope of the invention.Parts involved above or material if no special instructions, are then conventional or commercially available parts.

Claims (10)

1. the PCN of an energy Real-Time Monitoring perfusion suction pressure imports sheath, comprise the perfusion joint that liquid stream circuit system in sheath body, sheath body and sheath body are arranged, described liquid stream circuit system comprises perfusion pipeline and attraction pipeline, the entrance of described perfusion pipeline is perfusion joint, one end of described attraction pipeline is for attracting joint, the other end is provided with pressure dispense orifice, it is characterized in that: this importing sheath also comprises the pressure sensitive passage be located at altogether and attracted joint and suction catheter sidewall, and pressure sensitive module; Described pressure sensitive module comprises the sensor, information process unit and the information output unit that are connected by circuit correspondence, described sensor is located at the initiating terminal of described pressure sensitive passage, and described information process unit and information output unit are arranged on the terminal of described pressure sensitive passage.
2. the PCN of energy Real-Time Monitoring perfusion suction pressure imports sheath as claimed in claim 1, it is characterized in that: described information output unit comprises alarm lamp, display and/or buzzer.
3. the PCN of energy Real-Time Monitoring perfusion suction pressure imports sheath as claimed in claim 1, it is characterized in that: described sensor is arranged on the sidewall of importing sheath end.
4. the PCN of energy Real-Time Monitoring perfusion suction pressure imports sheath as claimed in claim 1, it is characterized in that: the end of described attraction pipeline is provided with pipeline locating snap ring.
5. the PCN of energy Real-Time Monitoring perfusion suction pressure imports sheath as claimed in claim 1, it is characterized in that: described perfusion joint is tubular structure, become 100 ~ 150 ° of angles with described attraction pipeline, and this perfusion joint is corresponding with the aperture of described attraction pipeline.
6. the PCN of energy Real-Time Monitoring perfusion suction pressure imports sheath as claimed in claim 5, it is characterized in that: described perfusion joint becomes 120 ° of angles with described attraction pipeline.
7. the PCN of energy Real-Time Monitoring perfusion suction pressure imports sheath as claimed in claim 1, it is characterized in that: described sheath body and perfusion joint are made up of metal material.
8. the PCN of the energy Real-Time Monitoring perfusion suction pressure as described in one of claim 1 ~ 7 imports sheath, it is characterized in that: the aperture of described pressure dispense orifice is not more than 1mm.
9. the PCN of energy Real-Time Monitoring perfusion suction pressure imports sheath as claimed in claim 8, it is characterized in that: described attraction pipeline end has attraction pipeline sealing ring.
10. the PCN of energy Real-Time Monitoring perfusion suction pressure imports sheath as claimed in claim 9, it is characterized in that: described attraction pipeline is arranged on the side of described attraction joint.
CN201510285552.6A 2015-05-29 2015-05-29 Percutaneous nephroscope lead-in sheath capable of monitoring perfusion suction pressure in real time Pending CN104840234A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110123302A (en) * 2019-06-27 2019-08-16 上海英诺伟医疗器械有限公司 A kind of chamber pressure monitoring device, system and pressure guide sheath, endoscope
CN110639070A (en) * 2019-09-30 2020-01-03 陈艺成 Automatic flow control method of perfusion suction system
CN111529024A (en) * 2020-05-11 2020-08-14 上海交通大学医学院附属瑞金医院 Double-cavity ovum taking needle with information transmission device
CN116458958A (en) * 2023-03-16 2023-07-21 常州市第一人民医院 Open-type adjustable stone suction device based on deformation induction and control method

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US4898574A (en) * 1986-05-08 1990-02-06 Olympus Optical Co., Ltd. Lithotomic apparatus
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CN203776869U (en) * 2014-01-28 2014-08-20 宋乐明 Nephric duct importing sheath capable of measuring pressure, and perfusion and suction device
US20140275762A1 (en) * 2013-03-14 2014-09-18 The Charlotte-Mecklenburg Hospital Authority D/B/A Carolinas Healthcare System Ureteroscope and Associated Method For The Minimally Invasive Treatment of Urinary Stones
CN104367313A (en) * 2014-11-13 2015-02-25 余月 Intraoperative real-time pressure measuring device in percutaneous nephroscope set operation
CN204708934U (en) * 2015-05-29 2015-10-21 郑州富健达医疗器械有限公司 The PCN of energy Real-Time Monitoring perfusion suction pressure imports sheath

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4898574A (en) * 1986-05-08 1990-02-06 Olympus Optical Co., Ltd. Lithotomic apparatus
CN101346096A (en) * 2005-12-27 2009-01-14 斯特赖克Gi有限公司 Endoscopic apparatus provided with pressure relief arrangement
US20140275762A1 (en) * 2013-03-14 2014-09-18 The Charlotte-Mecklenburg Hospital Authority D/B/A Carolinas Healthcare System Ureteroscope and Associated Method For The Minimally Invasive Treatment of Urinary Stones
CN203776869U (en) * 2014-01-28 2014-08-20 宋乐明 Nephric duct importing sheath capable of measuring pressure, and perfusion and suction device
CN104367313A (en) * 2014-11-13 2015-02-25 余月 Intraoperative real-time pressure measuring device in percutaneous nephroscope set operation
CN204708934U (en) * 2015-05-29 2015-10-21 郑州富健达医疗器械有限公司 The PCN of energy Real-Time Monitoring perfusion suction pressure imports sheath

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110123302A (en) * 2019-06-27 2019-08-16 上海英诺伟医疗器械有限公司 A kind of chamber pressure monitoring device, system and pressure guide sheath, endoscope
CN110639070A (en) * 2019-09-30 2020-01-03 陈艺成 Automatic flow control method of perfusion suction system
CN111529024A (en) * 2020-05-11 2020-08-14 上海交通大学医学院附属瑞金医院 Double-cavity ovum taking needle with information transmission device
CN116458958A (en) * 2023-03-16 2023-07-21 常州市第一人民医院 Open-type adjustable stone suction device based on deformation induction and control method
CN116458958B (en) * 2023-03-16 2023-11-03 常州市第一人民医院 Open-type adjustable stone suction device based on deformation induction and control method

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Application publication date: 20150819