CN101648048A - Intelligent balloon dilatation therapeutic instrument for cricopharyngeal muscle achalasia - Google Patents

Intelligent balloon dilatation therapeutic instrument for cricopharyngeal muscle achalasia Download PDF

Info

Publication number
CN101648048A
CN101648048A CN200810041613A CN200810041613A CN101648048A CN 101648048 A CN101648048 A CN 101648048A CN 200810041613 A CN200810041613 A CN 200810041613A CN 200810041613 A CN200810041613 A CN 200810041613A CN 101648048 A CN101648048 A CN 101648048A
Authority
CN
China
Prior art keywords
water
circuit
seconds
balloon dilatation
catheter
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.)
Granted
Application number
CN200810041613A
Other languages
Chinese (zh)
Other versions
CN101648048B (en
Inventor
邹任玲
胡秀枋
徐秀林
吴毅
胡永善
张峰
吴军发
白玉龙
贾杰
沈莉
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.)
Huashan Hospital of Fudan University
University of Shanghai for Science and Technology
Original Assignee
Huashan Hospital of Fudan University
University of Shanghai for Science and Technology
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 Huashan Hospital of Fudan University, University of Shanghai for Science and Technology filed Critical Huashan Hospital of Fudan University
Priority to CN2008100416134A priority Critical patent/CN101648048B/en
Publication of CN101648048A publication Critical patent/CN101648048A/en
Application granted granted Critical
Publication of CN101648048B publication Critical patent/CN101648048B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Media Introduction/Drainage Providing Device (AREA)

Abstract

The invention relates to an intelligent balloon dilatation therapeutic instrument for cricopharyngeal muscle achalasia, which comprises an instrument body and a physiological saline water tank, a power supply, a main control circuit, a keying panel, a step motor, a peristaltic pump, a water inlet tube, a water outlet tube, a flow sensing transducer, a balloon dilatation catheter and a display screen which are arranged on the instrument body. The balloon dilatation catheter comprises a hollow soft catheter with a closed front end. An appropriate position in the front of the catheter is providedwith a balloon dilatation section, an appropriate position at the tail part of the catheter is connected with a watering branch, and a water flow passage is arranged in the wall of the catheter for connecting and communicating the watering branch and the balloon dilatation section. The intelligent balloon dilatation therapeutic instrument for the cricopharyngeal muscle achalasia is simple in operation, safe and reliable. Simply operated by a doctor, the instrument can fill the balloon with water automatically at a fixed time and a fixed quantity so as to achieve the aim of treating the cricopharyngeal muscle achalasia.

Description

Intelligent balloon dilatation therapeutic instrument for cricopharyngeal muscle achalasia
Technical field
The present invention relates to medical apparatus and instruments, relate in particular to a kind of intelligent balloon dilatation therapeutic instrument for cricopharyngeal muscle achalasia.
Background technology
Achalasia of cricopharyngeus muscle is the cricopharyngeus common disease, and the patient feels that block is arranged in the throat clinically, or food is adhered in the esophagus, chokes and coughs, and the dysphagia performance is often arranged mouthful, nose backflows etc.Its serious consequence is to inhale people pulmonary because of the food mistake, causes repeated infection, malnutrition.
Carry out its therapeutic effect of balloon expandable treatment achalasia of cricopharyngeus muscle and obtained clinical authentication.In the prior art, the precedent of utilizing catheter balloon expandable treatment achalasia of cricopharyngeus muscle is arranged, but the catheter balloon-system can not position the cricopharyngeus position when treatment, can not accurately control balloon dilatation pressure simultaneously, does not prevent functions such as watery vomiting flow operation.
For treating the patient of achalasia of cricopharyngeus muscle by balloon expandable, press for a kind of can be by doctor's simple operations, self-timing, quantitatively carry out the balloon expandable therapeutic instrument of balloon expandable to the sacculus water-filling, to reach the purpose of treatment.
Summary of the invention
Purpose of the present invention exactly in order to address the above problem, provides a kind of intelligent balloon dilatation therapeutic instrument for cricopharyngeal muscle achalasia.
In order to achieve the above object, the present invention has adopted following technical scheme: a kind of intelligent balloon dilatation therapeutic instrument for cricopharyngeal muscle achalasia, comprise body, also comprise the water tank, power supply, governor circuit, keying panel, motor, peristaltic pump, water inlet pipe, outlet pipe, flow sensing transmitter, sacculus dilating catheter and the display screen that are installed on the body; Wherein, water tank and power supply are arranged on the bottom of body; Governor circuit is arranged in the body; Motor links to each other with the peristaltic pump transmission and is arranged on the middle part of body, and motor and governor circuit telecom-connect by governor circuit and control its action; Water inlet pipe is connected between the import and water tank of peristaltic pump; Outlet pipe is connected between wriggling delivery side of pump and the flow sensing transmitter; Sacculus dilating catheter is connected the other end of flow sensing transmitter; Flow sensing transmitter, keying panel and display screen telecom-connect with governor circuit respectively.
Described sacculus dilating catheter comprises the hollow flexible catheter of a front end sealing, anterior appropriate location at conduit is provided with the balloon expandable section, afterbody appropriate location at conduit is connected with the water flowing arm, is provided with water stream channel in catheter wall water flowing arm and balloon expandable section are connected.
Described balloon expandable section comprises a catheter body internal layer and a film spreading skin of being made by the elasticity pressure-resistant material, the described water stream channel that is arranged in the catheter wall is two, article two, water stream channel is separately positioned on the both sides of conduit and is provided with at least one radial hole in the balloon expandable section respectively and leads to the film spreading skin, to realize that water-filling makes balloon expandable between conductive pipe body internal layer and the film spreading skin.
Described governor circuit comprises sensor circuit, sensing amplifying circuit, sampling hold circuit, keying circuit, CPU, warning circuit, stepping motor control circuit and display circuit; The input connection traffic sensing transducer of sensor circuit, outfan connects the sensing amplifying circuit; The outfan of sensing amplifying circuit connects sampling hold circuit; The outfan of sampling hold circuit connects CPU; The input of keying circuit connects the keying panel, and outfan connects CPU; The input of warning circuit connects CPU; The input of stepping motor control circuit connects CPU, and outfan connects motor; The input of display circuit connects CPU, and outfan connects display screen.
Corresponding control sequence and the button that is provided with water injection rate and water injection time of described governor circuit with the keying panel.
Corresponding three kinds of treatment control models, i.e. severe control model, moderate control model and the slight control model of being provided with of described governor circuit with the keying panel; The severe control model adopts 5 seconds of fixedly sacculus water filling, 5 seconds of dilating sacculus water filling keeps expanding 2 minutes, removes 5 seconds of water, has a rest for 10 seconds; The moderate control model adopts 5 seconds of fixedly sacculus water filling, 5 seconds of dilating sacculus water filling keeps expanding 2.5 minutes, removes 5 seconds of water, has a rest for 10 seconds; Slight control model adopts 5 seconds of fixedly sacculus water filling, 5 seconds of dilating sacculus water filling keeps expanding 3 minutes, removes 5 seconds of water, has a rest for 10 seconds.
Described display circuit adopts the low-power consumption lcd driver PCF8576 with I2C bus of PHILIPS company.
The main button operation of described keying panel adopts the Macintosh mode of pressing two keys simultaneously to carry out.
Also comprise the pressure alarm treatment mechanism that exceeds standard, this mechanism can in time report to the police when producing pressure and exceeding standard and stop all operations in that the flow velocity that causes water owing to abnormal conditions is too fast.
Also comprise battery electric quantity testing agency, in time report to the police the prompting changing battery under the situation that this mechanism can be lower at battery electric quantity, may have influence on normal infusion.
Intelligent balloon dilatation therapeutic instrument for cricopharyngeal muscle achalasia of the present invention has been owing to adopted above technical scheme, make its have following advantage and and characteristics:
(1), can pass through keyboard to set up water injection rate, water injection time as requested, accurately control balloon expandable power.
(2), can change former setup parameter at any time, and can when operation, suspend water filling at any time.
(3), different user can have the cover operational factor of oneself, and can enter the set environment of oneself by password.
(4), have LCD and show, can watch used water injection rate in real time.
(5), automatically detect flow velocity, when water filling finishes, can stop water filling automatically and carry out acousto-optic hint.
(6), the air in can the fast evacuation tube for transfusion before using for the first time.
(7), to have three kinds of treatment patterns available: severe, moderate, slight.
Description of drawings
Fig. 1 is the structural representation of intelligent balloon dilatation therapeutic instrument for cricopharyngeal muscle achalasia of the present invention;
Fig. 2 is the structural representation of the sacculus dilating catheter among the present invention;
Fig. 3 is the circuit theory diagrams of the governor circuit among the present invention.
The specific embodiment
Referring to Fig. 1, cooperate referring to Fig. 2, Fig. 3, intelligent balloon dilatation therapeutic instrument for cricopharyngeal muscle achalasia of the present invention comprises body 1, is installed in water tank 2, power supply 3, governor circuit 4, keying panel 5, motor 6, peristaltic pump 7, water inlet pipe 8, outlet pipe 9, flow sensing transmitter 10, sacculus dilating catheter 11 and display screen 12 on the body.Wherein, water tank 2 and power supply 3 are arranged on the bottom of body 1; Governor circuit 4 is arranged in the body 1; Motor 6 links to each other with peristaltic pump 7 transmissions and is arranged on the middle part of body, and motor 6 telecom-connects by governor circuit with governor circuit 4 and controls its action; Water inlet pipe 8 is connected between the import and water tank of peristaltic pump; Outlet pipe 9 is connected between wriggling delivery side of pump and the flow sensing transmitter 10; Sacculus dilating catheter 11 is connected the other end of flow sensing transmitter; Flow sensing transmitter 10, keying panel 5 telecom-connect with governor circuit 4 respectively with display screen 12.Wherein the main button operation of keying panel adopts the Macintosh mode of pressing two keys simultaneously to carry out.
Referring to Fig. 2, sacculus dilating catheter 11 among the present invention comprises the hollow flexible catheter 111 of a front end sealing, anterior appropriate location at conduit is provided with balloon expandable section 112, afterbody appropriate location at conduit is connected with water flowing arm 113, is provided with water stream channel 114 in catheter wall water flowing arm 113 and balloon expandable section 112 are connected.Hollow flexible catheter 111 is made body with elastomeric material, this external silica-gel coating that is coated with.Balloon expandable section 112 comprises a catheter body internal layer 1121 and a film spreading skin 1122 of being made by elasticity pressure-resistant material (block polyetheramides resin), and the two ends and the catheter body of this film spreading skin 1122 are fixedly linked.The water stream channel 114 that is arranged in the catheter wall is two, article two, water stream channel is separately positioned on the both sides of conduit 111 and is provided with at least one radial hole 1141 in the balloon expandable section respectively and leads to the film spreading skin, to realize that water-filling makes balloon expandable between conductive pipe body internal layer and the film spreading skin.The length of film spreading is 12-13mm, and thickness is 4-5mm.
Referring to Fig. 3, the governor circuit 4 among the present invention comprises sensor circuit 41, sensing amplifying circuit 42, sampling hold circuit 43, keying circuit 44, CPU, warning circuit 45, stepping motor control circuit 46 and display circuit 47.The input connection traffic sensing transducer 10 of sensor circuit 41, outfan connects sensing amplifying circuit 42; The outfan of sensing amplifying circuit 42 connects sampling hold circuit 43; The outfan of sampling hold circuit 43 connects CPU; The input of keying circuit 44 connects keying panel 5, and outfan connects CPU; The input of warning circuit 45 connects CPU; The input of stepping motor control circuit 46 connects CPU, and outfan connects motor 6; The input of display circuit 47 connects CPU, and outfan connects display screen 12.Display circuit 47 adopts the low-power consumption lcd driver PCF8576 with I2C bus of PHILIPS company.
Corresponding control sequence and the button that is provided with water injection rate and water injection time of governor circuit among the present invention with the keying panel.
Corresponding three kinds of treatment control models, i.e. severe control model, moderate control model and the slight control model of being provided with of governor circuit among the present invention with the keying panel; The severe control model adopts 5 seconds of fixedly sacculus water filling, 5 seconds of dilating sacculus water filling keeps expanding 2 minutes, removes 5 seconds of water, has a rest for 10 seconds; The moderate control model adopts 5 seconds of fixedly sacculus water filling, 5 seconds of dilating sacculus water filling keeps expanding 2.5 minutes, removes 5 seconds of water, has a rest for 10 seconds; Slight control model adopts 5 seconds of fixedly sacculus water filling, 5 seconds of dilating sacculus water filling keeps expanding 3 minutes, removes 5 seconds of water, has a rest for 10 seconds.
Work process principle of the present invention is as follows: power-on at first, the user sets the balloon expandable capacity by the keying panel, and water injection time, and governor circuit starts the motor forward rotation according to setting, automatically regulate rotating speed, drive peristaltic pump, several rollers of peristaltic pump discharge pipeline along the alternately extruding of an elasticity pipe, when the fluid that is squeezed in the pipe produces flow output, pressure disappearance back pipe dependence self elastic return original state, volume increases, and produces vacuum, sucks fluid.Perseveration water filling so continuously, when the value of sending here up to volume flow of setting and flow transducer detection was consistent, motor stopped just to change under the control of governor circuit, and water filling stops, the water dilating sacculus produces certain constant pressure treatment cricopharyngeus and loses the relaxation symptom.Arrive when treatment time, governor circuit is according to the treatment time interrupt signal of setting, and the control step motor is backward rotation again, and draining begins, and the speed of draining is identical with the injecting process, depends on the rotary speed instruction of the motor that governor circuit sends according to setting value.
The flow sensing transmitter links to each other with governor circuit, and the flow pressure difference signal is through amplifying, and analog digital conversion is delivered to the CPU analyzing and processing, and the control step rotating speed of motor compares with the alarming value of setting simultaneously, if volume flow is bigger than normal, sends voice-control alarm.
Display screen shows that in real time balloon expandable capacity, expansion time are so that the user observes.
The keying panel is the unsafe factor that the malfunction that prevents button brings for the consideration safe and reliable to Medical Instruments, and some main button operations all are to finish with the form of Macintosh, promptly has only two specific keys to be pressed Shi Caineng simultaneously and comes into force.Like this, finish all operations and only need four keys altogether.
In order to improve the security performance of complete machine, this device also is furnished with the pressure alarm treatment mechanism (not shown) that exceeds standard, and this mechanism can in time report to the police when producing pressure and exceeding standard and stop all operations in that the flow velocity that causes water owing to abnormal conditions is too fast.
Entire circuit is powered by four batteries, except can also being powered by miniature transformer by direct-flow input end with the battery powered, to satisfy the needs in different occasions such as indoor and walk about.The voltage stabilizing chip of L31A as MSP430F1121 adopted in suggestion.For guaranteeing that water filling is normal, the present invention also is furnished with a battery electric quantity testing agency (not shown), in time reports to the police the prompting changing battery under the situation that this mechanism can be lower at battery electric quantity, may have influence on normal infusion.

Claims (10)

1, a kind of intelligent balloon dilatation therapeutic instrument for cricopharyngeal muscle achalasia, comprise body, it is characterized in that: also comprise the water tank, power supply, governor circuit, keying panel, motor, peristaltic pump, water inlet pipe, outlet pipe, flow sensing transmitter, sacculus dilating catheter and the display screen that are installed on the body; Wherein, water tank and power supply are arranged on the bottom of body; Governor circuit is arranged in the body; Motor links to each other with the peristaltic pump transmission and is arranged on the middle part of body, and motor and governor circuit telecom-connect by governor circuit and control its action; Water inlet pipe is connected between the import and water tank of peristaltic pump; Outlet pipe is connected between wriggling delivery side of pump and the flow sensing transmitter; Sacculus dilating catheter is connected the other end of flow sensing transmitter; Flow sensing transmitter, keying panel and display screen telecom-connect with governor circuit respectively.
2, intelligent balloon dilatation therapeutic instrument for cricopharyngeal muscle achalasia as claimed in claim 1, it is characterized in that: described sacculus dilating catheter comprises the hollow flexible catheter of a front end sealing, anterior appropriate location at conduit is provided with the balloon expandable section, afterbody appropriate location at conduit is connected with the water flowing arm, is provided with water stream channel in catheter wall water flowing arm and balloon expandable section are connected.
3, intelligent balloon dilatation therapeutic instrument for cricopharyngeal muscle achalasia as claimed in claim 2, it is characterized in that: described balloon expandable section comprises a catheter body internal layer and a film spreading skin of being made by the elasticity pressure-resistant material, the described water stream channel that is arranged in the catheter wall is two, article two, water stream channel is separately positioned on the both sides of conduit and is provided with at least one radial hole in the balloon expandable section respectively and leads to the film spreading skin, to realize that water-filling makes balloon expandable between conductive pipe body internal layer and the film spreading skin.
4, intelligent balloon dilatation therapeutic instrument for cricopharyngeal muscle achalasia as claimed in claim 1 is characterized in that: described governor circuit comprises sensor circuit, sensing amplifying circuit, sampling hold circuit, keying circuit, CPU, warning circuit, stepping motor control circuit and display circuit; The input connection traffic sensing transducer of sensor circuit, outfan connects the sensing amplifying circuit; The outfan of sensing amplifying circuit connects sampling hold circuit; The outfan of sampling hold circuit connects CPU; The input of keying circuit connects the keying panel, and outfan connects CPU; The input of warning circuit connects CPU; The input of stepping motor control circuit connects CPU, and outfan connects motor; The input of display circuit connects CPU, and outfan connects display screen.
5, intelligent balloon dilatation therapeutic instrument for cricopharyngeal muscle achalasia as claimed in claim 1 is characterized in that: corresponding control sequence and the button that is provided with water injection rate and water injection time with the keying panel of described governor circuit.
6, intelligent balloon dilatation therapeutic instrument for cricopharyngeal muscle achalasia as claimed in claim 1 is characterized in that: corresponding three kinds of treatment control models, i.e. severe control model, moderate control model and the slight control model of being provided with the keying panel of described governor circuit; The severe control model adopts 5 seconds of fixedly sacculus water filling, 5 seconds of dilating sacculus water filling keeps expanding 2 minutes, removes 5 seconds of water, has a rest for 10 seconds; The moderate control model adopts 5 seconds of fixedly sacculus water filling, 5 seconds of dilating sacculus water filling keeps expanding 2.5 minutes, removes 5 seconds of water, has a rest for 10 seconds; Slight control model adopts 5 seconds of fixedly sacculus water filling, 5 seconds of dilating sacculus water filling keeps expanding 3 minutes, removes 5 seconds of water, has a rest for 10 seconds.
7, intelligent balloon dilatation therapeutic instrument for cricopharyngeal muscle achalasia as claimed in claim 1 is characterized in that: described display circuit adopts the low-power consumption lcd driver PCF8576 with I2C bus of PHILIPS company.
8, intelligent balloon dilatation therapeutic instrument for cricopharyngeal muscle achalasia as claimed in claim 1 is characterized in that: the main button operation of described keying panel adopts the Macintosh mode of pressing two keys simultaneously to carry out.
9, intelligent balloon dilatation therapeutic instrument for cricopharyngeal muscle achalasia as claimed in claim 1, it is characterized in that: also comprise the pressure alarm treatment mechanism that exceeds standard, this mechanism can in time report to the police when producing pressure and exceeding standard and stop all operations in that the flow velocity that causes water owing to abnormal conditions is too fast.
10, intelligent balloon dilatation therapeutic instrument for cricopharyngeal muscle achalasia as claimed in claim 1, it is characterized in that: also comprise battery electric quantity testing agency, in time report to the police the prompting changing battery under the situation that this mechanism can be lower at battery electric quantity, may have influence on normal infusion.
CN2008100416134A 2008-08-12 2008-08-12 Intelligent balloon dilatation therapeutic instrument for cricopharyngeal muscle achalasia Expired - Fee Related CN101648048B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2008100416134A CN101648048B (en) 2008-08-12 2008-08-12 Intelligent balloon dilatation therapeutic instrument for cricopharyngeal muscle achalasia

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2008100416134A CN101648048B (en) 2008-08-12 2008-08-12 Intelligent balloon dilatation therapeutic instrument for cricopharyngeal muscle achalasia

Publications (2)

Publication Number Publication Date
CN101648048A true CN101648048A (en) 2010-02-17
CN101648048B CN101648048B (en) 2012-03-07

Family

ID=41670444

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2008100416134A Expired - Fee Related CN101648048B (en) 2008-08-12 2008-08-12 Intelligent balloon dilatation therapeutic instrument for cricopharyngeal muscle achalasia

Country Status (1)

Country Link
CN (1) CN101648048B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110898318A (en) * 2019-04-30 2020-03-24 青岛大学附属医院 Indwelling dilatation device for treating cricopharyngeal muscle achalasia
CN111228638A (en) * 2020-02-26 2020-06-05 淮安市中医院 Balloon dilator for cricopharyngeal muscle
CN111420278A (en) * 2020-04-14 2020-07-17 衡阳市大井医疗器械科技有限公司 Intelligent migraine therapeutic apparatus

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3926705A (en) * 1974-07-25 1975-12-16 Western Acadia Silicone catheter and process for manufacturing same
US5021046A (en) * 1988-08-10 1991-06-04 Utah Medical Products, Inc. Medical pressure sensing and display system
US5599301A (en) * 1993-11-22 1997-02-04 Advanced Cardiovascular Systems, Inc. Motor control system for an automatic catheter inflation system
IL109669A (en) * 1994-05-17 1997-09-30 Hadasit Med Res Service System and method for coronary angioplasty
CN2678606Y (en) * 2004-01-16 2005-02-16 冯立东 Heat therapy instrument used in esophagus
CN2753384Y (en) * 2004-12-23 2006-01-25 刘瑞太 Leakage-proof catheter
CN201239417Y (en) * 2008-08-12 2009-05-20 上海理工大学 Intelligent type balloon dilatation therapeutic equipment for cricopharyngeal achalasia

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110898318A (en) * 2019-04-30 2020-03-24 青岛大学附属医院 Indwelling dilatation device for treating cricopharyngeal muscle achalasia
CN111228638A (en) * 2020-02-26 2020-06-05 淮安市中医院 Balloon dilator for cricopharyngeal muscle
CN111228638B (en) * 2020-02-26 2022-02-11 淮安市中医院 Balloon dilator for cricopharyngeal muscle
CN111420278A (en) * 2020-04-14 2020-07-17 衡阳市大井医疗器械科技有限公司 Intelligent migraine therapeutic apparatus
CN111420278B (en) * 2020-04-14 2023-06-16 衡阳市大井医疗器械科技有限公司 Intelligent migraine therapeutic instrument

Also Published As

Publication number Publication date
CN101648048B (en) 2012-03-07

Similar Documents

Publication Publication Date Title
US12115298B2 (en) Wound pressure determination for reduced pressure wound therapy
JP7162003B2 (en) Multiple Dressing Negative Pressure Wound Therapy System with Calibrated Leak Paths
US10828401B2 (en) Systems and methods for applying reduced negative pressure therapy
JP5230650B2 (en) How to calibrate the pressure measurement unit
CN107889464B (en) Wound treatment method and apparatus
CN209137592U (en) Medical device and medical system
CN1674957B (en) Fluid control device
CN101125086A (en) Closed-loop automatic controlling insulin-injecting system
ATE530156T1 (en) IRRIGATION AND EXTRACTION SYSTEM
US20220313892A1 (en) Pressure control in negative pressure wound therapy systems
CN106860956A (en) Portable Automatic monitoring/the doser of chronic disease that a kind of flexible Micropump drives
CN101648048B (en) Intelligent balloon dilatation therapeutic instrument for cricopharyngeal muscle achalasia
CN201239417Y (en) Intelligent type balloon dilatation therapeutic equipment for cricopharyngeal achalasia
CN101648047B (en) Intelligent balloon dilatation controlling device for cricopharyngeal muscle achalasia
CN201263836Y (en) Intelligent type balloon dilatation controller for cricopharyngeal achalasia
CN207708264U (en) Dual chamber infusion pump based on piezoelectricity and infusion device
CN106039470B (en) A kind of system adjusting oxytocin drip speed according to puerpera's uterine contraction
CN203354993U (en) Wound treatment instrument
CN106267509B (en) A kind of air flue humidification pump
CN107126591A (en) Dual chamber infusion pump and infusion device based on piezoelectricity
CN205460153U (en) Venous transfusion auxiliary detection device
JPH0632656B2 (en) Medical container pressurizing device
CN220090249U (en) Oxygen outlet control device of medical device for micro-flow oxygen delivery
CN208405329U (en) A kind of automatic nasal cavity flushing device
CN219878639U (en) Oxygen supply device of medical equipment for micro-flow oxygen delivery

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120307

Termination date: 20140812

EXPY Termination of patent right or utility model