CN107802900A - A kind of urological department urethral catheterization device - Google Patents

A kind of urological department urethral catheterization device Download PDF

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Publication number
CN107802900A
CN107802900A CN201711309344.0A CN201711309344A CN107802900A CN 107802900 A CN107802900 A CN 107802900A CN 201711309344 A CN201711309344 A CN 201711309344A CN 107802900 A CN107802900 A CN 107802900A
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CN
China
Prior art keywords
connection
inner tube
pump
tube
utricule
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
CN201711309344.0A
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Chinese (zh)
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CN107802900B (en
Inventor
胡玥
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Chang Yanhua
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Individual
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Priority to CN201711309344.0A priority Critical patent/CN107802900B/en
Publication of CN107802900A publication Critical patent/CN107802900A/en
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Publication of CN107802900B publication Critical patent/CN107802900B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A61M1/0023—
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/84—Drainage tubes; Aspiration tips
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
    • A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
    • A61M25/0026—Multi-lumen catheters with stationary elements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/10—Balloon catheters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
    • A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
    • A61M25/0026—Multi-lumen catheters with stationary elements
    • A61M2025/004—Multi-lumen catheters with stationary elements characterized by lumina being arranged circumferentially
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3331—Pressure; Flow
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/36—General characteristics of the apparatus related to heating or cooling
    • A61M2205/366—General characteristics of the apparatus related to heating or cooling by liquid heat exchangers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M2210/00—Anatomical parts of the body
    • A61M2210/10—Trunk
    • A61M2210/1078—Urinary tract
    • A61M2210/1085—Bladder
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M2210/00—Anatomical parts of the body
    • A61M2210/10—Trunk
    • A61M2210/1078—Urinary tract
    • A61M2210/1089—Urethra

Abstract

The invention discloses a kind of urological department urethral catheterization device, include main frame, the pump valve assemblies being removably mounted on main frame, and the catheter and urinal being connected respectively with pump valve assemblies by flexible pipe；Catheter includes body, is connected to the connection cover of body one end, is connected to the connection lid of connection cover one end, is connected to utricule of the tube wall close to connection cover one end, and is connected to adapter portion of the body away from connection cover one end；Inboard wall of tube body is integrally formed with heating inner tube a, heating inner tube b, utricule liquid injection pipe and drug-feeding tube, and inner tube a is correspondingly heated in connection cover one end, heating inner tube b position forms the connection plug a of both ends insertion respectively, connection plug b；Connection lid is with forming the space for connecting connection plug a and connecting plug b between connection cover；Catheter coordinates heater, motor, pump valve assemblies to heat urethra, reaches the purpose for preventing urethra oedema.

Description

A kind of urological department urethral catheterization device
Technical field
The invention belongs to medical instruments field, and in particular to urological instrument field.
Background technology
Document number is that CN103301514A application for a patent for invention discloses a kind of multi-functional retention catheterization device, and its is main Automatic pressure-sensitive urinary function is realized, and micturition parameters are gathered by sensor, and possesses warning function, possesses certain practicality Property, however, electronics draining valve, flow sensor etc. are directly connected on urination pipeline, if all parts are disposable Using then causing, the holistic cost of urethral catheterization device is too high, notable making patients' financial burden；If part is reused, exist again and hand over Pitch infection risk.
Document number is that CN205515936U Chinese patent discloses and a kind of prevents leakage of urine and can be with the urethral catheterization of heat cure Pipe, blocking caused by it is mainly heated so as to avoid urethra oedema by setting heater strip to urethra.But the patent Some problem be present in technical scheme so that the program is difficult to carry out, one is the structure of three layers of sleeve pipe connects in assembling and many places Had difficulties on the sealing means of position, the second is heater strip is arranged on the outer wall of outer tube（Accurate say be embedded in outer In the tube wall of layer pipe）, process there is also difficulty, specifically, because catheter is that one end is inserted in urethra, therefore heater strip must It is so that both ends are drawn from the outer end of outer tube, in order that heater strip is conducting, then outer tube needs one section together with heater strip Section machine-shaping respectively.
The content of the invention
The technical problems to be solved by the invention are：In view of the deficienciess of the prior art, it is skilful to provide a kind of structure design It is wonderful, it can realize that automatic pressure-sensitive is urinated and disposable part is less and can carry out the urethral catheterization device of heat cure.
To realize the purpose of the present invention, it is achieved using following technical scheme：A kind of urological department urethral catheterization device, includes Main frame, the pump valve assemblies being removably mounted on main frame, and the catheter and urine being connected respectively with pump valve assemblies by flexible pipe Bag；
The catheter includes body, is connected to the connection cover of body one end, is connected to company of the connection cover away from body one end Logical lid, is connected to utricule of the tube wall close to connection cover one end, and be connected to adapter portion of the body away from connection cover one end；
The inboard wall of tube body is integrally formed with heating inner tube a, heating inner tube b, utricule liquid injection pipe and drug-feeding tube, the heating inner tube A, utricule liquid injection pipe, heating inner tube b, drug-feeding tube be successively along the circumferentially equidistant distribution of body, the heating inner tube a, utricule liquid injection pipe, Inner tube b, drug-feeding tube is heated to set along tube length direction respectively；Position of the tube wall between utricule and connection cover Offer urine filling mouth, the position of the urine filling mouth and the heating inner tube a, utricule liquid injection pipe, heating inner tube b, the position of drug-feeding tube Put and be staggered；
Inner tube a is correspondingly heated in described connection cover one end, heating inner tube b position form respectively both ends insertion connection plug a, Connect plug b；The connection cover correspond to chemical feed pipe position form both ends insertion enter medicine head；The connection cover corresponds to utricule The position of injection-tube forms plug；
The connection lid is soft silica gel material, and the connection lid outer end is hemispherical, shape between the connection lid and connection cover Into connection connection plug a and connection plug b space；The position that the connection lid corresponds to medicine head, which is formed into medicine, avoids mouth；
The position that the utricule liquid injection pipe corresponds to utricule offers fluid-through port；
The adapter portion includes to go out to urinate interface with body away from what connection cover one end connected, the heating connected with heating inner tube a Joint a, the heated coupling b connected with heating inner tube b, the fluid injection joint connected with utricule liquid injection pipe, and connected with chemical feed pipe Enter medicine joint；
The pump valve assemblies include valve seat, the cylindrical valve element for the quality of rubber materials being rotatably installed in valve seat, fixing seal The pump case of valve seat upper end is connected to, the centrifugal water-wheel being rotatably installed in pump case, and it is sealedly connected on the aluminium conjunction of pump case upper end The pump cover of golden material；
The valve seat side is located at always integrally formed with inlet union and outlet connection, the inlet union and outlet connection On line, the inlet union is connected by the interface that goes out to urinate of flexible pipe and catheter, and the outlet connection is connected by flexible pipe and urinal Connect；
The side wall of the inlet union is slidably fitted with one integrally formed with a piston installing pipe in the piston installing pipe Piston, the piston installing pipe outer end is fixedly connected with one to limit the lid that piston departs from piston installing pipe, described Spring is installed between piston and lid；The one end of the piston away from spring is connected with one to prevent piston from slipping into import Gag lever post in joint；
The valve element side wall forms passage, and the valve element upper end forms the connection recess of polygon；
The pump case side is integrally formed with liquid inlet joint and goes out liquid joint, and the pump case inner bottom part forms to be connected with liquid inlet joint Logical admission chamber, the admission chamber are located at the lower section of centrifugal water-wheel center, it is described go out liquid joint be located at the side of centrifugal water-wheel Face；Slip location-plate of the upper surface of the pump case integrally formed with rectangle；
The liquid inlet joint is connected by flexible pipe with heated coupling a, it is described go out liquid joint be connected by flexible pipe with heated coupling b；
The centrifugal water-wheel includes a driven turntable, be fixedly mounted on driven turntable it is multiple with circumference array distribution Driven magnet, multiple blades being distributed with circumference array away from pump cover one end, integrally connected are integrally attached on driven turntable The connecting rod away from pump cover one end center on driven turntable, and it is connected to the ratchet mechanism of connecting rod lower end；The connecting rod Through the pump case, the ratchet mechanism is connected with the connection recess on valve element；
The pump cover lower end periphery uniformly forms multiple heat exchanger fins, and the heat exchanger fin is located at the periphery of centrifugal water-wheel；
The main frame includes housing, is fixedly mounted on control board in housing, battery, baroceptor, infrared temperature Spend sensor, the heater and motor of annular, the battery, baroceptor, infrared temperature sensor, heater and motor Electrically connected respectively with control board；
Housing lower end side form one installation slot, the pump valve assemblies by slide location-plate be plugged on installation insert In groove, the housing is slidably fitted with a limit slippage location-plate close to the side of installation slot-side and departs from installation slot Sliding shackle；
The housing lower end corresponds to the installation site shaping having heaters installing port of pump valve assemblies, and the heater is fixedly mounted on In heater installing port；
The output shaft of the motor is coaxially connected with a driving rotating disk, and the driving rotating disk is located at heater inner circumferential, the drive The drive magnet with driven magnet position correspondence is installed with turn disk；
The motor only drives centrifugal water-wheel to rotate when rotating forward, ratchet mechanism idle running；Centrifugal water-wheel is driven during the motor reversal Rotate, while valve core rotation is driven by ratchet mechanism；
The infrared temperature sensor is fixedly mounted on housing lower end position corresponding with liquid inlet joint side wall；The air pressure sensing Device is fixedly mounted on housing lower end, and baroceptor is connected by pipeline with lid.
Preferably：The control board is also associated with the button switch for open and close machine, the button switch It extend out to outside housing.
Preferably：One side wall of the housing is connected with clip.
Preferably：The housing is connected by screw by two halfbodies and formed.
Preferably：The side that sliding shackle is installed on the housing forms the lock mounting groove of rectangle, described Lock mounting groove is made up of two parts on two halfbodies, and the sliding shackle is arranged on lock mounting groove；
The lock include be arranged in parallel stopping that pump valve assemblies depart from the internal lock buckle of installation slot, and outer surface Form friction striped outer pushing plate, include connection internal lock buckle and outer pushing plate connecting portion, the thickness of the connecting portion and The thickness of housing is suitable；The position that the housing lower end corresponds to internal lock buckle forms the strip passed downwards for internal lock buckle and opened Mouthful.
Preferably：The heater is ptc heater.
Preferably：The temperature probe of the infrared temperature sensor offsets or is close with liquid inlet joint.
Preferably：After the pump valve assemblies load in the installation slot, the pump cover and the heater phase Support.
Compared with prior art, the beneficial effects of the invention are as follows：The catheter of the present invention is covered by connection cover and connection Heating inner tube a, heating inner tube b are connected, and the centrifugal pump being made up of pump case, pump cover and centrifugal water-wheel makes in heating inner tube Liquid produce circulation, coordinate heater produce heat urethra is heated, reach the purpose for preventing urethra oedema.And urethral catheterization The structure of tube portion is relatively easy, body portion can an extrusion forming, connection cover, connection lid, utricule and adapter portion are spelled one by one It is attached on body, is no different in technique with existing catheter.
The pump valve assemblies by setting piston to play a part of isolating urine and conducting pressure, make baroceptor not with Urine produces any type of contact, prevents cross-infection.
Heater, motor in the main frame etc. do not connect directly with catheter, main in the absence of the risk of cross-infection Machine can repeatedly use, and reduce the holistic cost of urethral catheterization device.
The motor only drives centrifugal water-wheel to rotate when rotating forward, and when needing urination, motor, which just inverts, drives valve core rotation to set Determine angle（Motor reversal drives 90 degree of passages to valve element of valve core rotation to be alignd with inlet union, outlet connection during urination, passes through After setting time, motor continues reversion and drives 90 degree of passages to valve element of valve core rotation to stagger with inlet union, outlet connection）, So one part of motor realizes two functions, reduces the quantity of execution unit, reduces the volume of main frame.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the structural representation of catheter.
Fig. 3 is the decomposition texture schematic diagram of catheter fore-end.
Fig. 4 is connection cover and the structural representation for connecting cover.
Fig. 5 is the structural representation of main frame and pump valve assemblies.
Fig. 6 is the decomposition texture schematic diagram of host machine part.
Fig. 7 is the structural representation at another visual angle of main frame.
Fig. 8 is the structural representation of pump valve assemblies.
Fig. 9 is the decomposition texture schematic diagram of pump valve assemblies.
Figure 10 is the decomposition texture schematic diagram of pump valve assemblies section view state.
1st, catheter；11st, body；111st, urine filling mouth；112nd, inner tube a is heated；113rd, inner tube b is heated；114th, utricule fluid injection Pipe；115th, drug-feeding tube；
12nd, utricule；13rd, connection cover；131st, plug a is connected；132nd, plug b is connected；133rd, medicine head is entered；134th, plug；14th, connect Lid；141st, enter medicine head and avoid mouth；
15th, adapter portion；151st, go out to urinate interface；152nd, fluid injection joint；153rd, medicine joint is entered；154th, heated coupling a；155th, heating connects Head b；
2nd, main frame；21st, housing；211st, mounting groove is latched；212nd, heater installing port；The 213rd, slot is installed；214th, clip；215、 Button switch；
22nd, control board；23rd, battery；24th, baroceptor；25th, infrared temperature sensor；26th, sliding shackle；27th, it is electric Machine；271st, driving rotating disk；28th, heater；
3rd, pump valve assemblies；31st, valve seat；311st, inlet union；312nd, piston installing pipe；313rd, outlet connection；32nd, piston；321、 Gag lever post；322nd, spring；33rd, lid；34th, valve element；
35th, pump case；351st, liquid inlet joint；352nd, location-plate is slided；353rd, liquid joint is gone out；354th, admission chamber；36th, centrifugal water-wheel； 361st, ratchet mechanism；37th, pump cover；371st, heat exchanger fin；
4th, urinal.
Embodiment
Embodiment 1
According to Fig. 1 to Figure 10, the present embodiment is a kind of urological department urethral catheterization device, includes main frame 2, is removably mounted at master Pump valve assemblies 3 on machine, and the catheter 1 and urinal 4 being connected respectively with pump valve assemblies by flexible pipe.
The catheter includes body 11, is connected to the connection cover 13 of body one end, is connected to connection cover away from body The connection lid 14 of one end, utricule 12 of the tube wall close to connection cover one end is connected to, and is connected to body away from connection cover The adapter portion 15 of one end.
The inboard wall of tube body is integrally formed with heating inner tube a112, heating inner tube b113, utricule liquid injection pipe 114 and drug-feeding tube 115, the heating inner tube a, utricule liquid injection pipe, heating inner tube b, drug-feeding tube are successively along the circumferentially equidistant distribution of body, the heating Inner tube a, utricule liquid injection pipe, heating inner tube b, drug-feeding tube are set along tube length direction respectively；The tube wall is located at utricule Position between connection cover offers urine filling mouth 111, the position of the urine filling mouth and the heating inner tube a, utricule liquid injection pipe, Heating inner tube b, drug-feeding tube are staggeredly located out.
Inner tube a is correspondingly heated in described one end of connection cover 13, heating inner tube b position forms the connection of both ends insertion respectively Plug a131, connection plug b132；The connection cover correspond to chemical feed pipe position form both ends insertion enter medicine first 133；Institute State connection cover and correspond to the position of utricule injection-tube and form plug 134.
The connection lid be soft silica gel material, and the connection lid outer end be hemispherical, the connection cover and connection cover it Between form connection connection plug a and connect plug b space；The position that the connection lid corresponds to medicine head forms to be avoided into medicine Mouth 141.
The position that the utricule liquid injection pipe corresponds to utricule offers fluid-through port, and utricule shown in accompanying drawing is topping up state.
The adapter portion 15 includes goes out to urinate interface 151 with body away from what connection cover one end connected, connects with heating inner tube a Logical heated coupling a154, the heated coupling b155 connected with heating inner tube b, the fluid injection joint 152 connected with utricule liquid injection pipe, And what is connected with chemical feed pipe enters medicine joint 153.
The adapter portion is integrally formed by soft silica gel, the heating inner tube a of the body, utricule liquid injection pipe, heating inner tube B, drug-feeding tube rear end is closed, and is corresponded on tube wall heated coupling a, heated coupling b, fluid injection joint, entered medicine joint Position, which opens up through hole, makes corresponding joint form the state connected with pipeline.
The pump valve assemblies include valve seat 31, the cylindrical valve element 34 for the quality of rubber materials being rotatably installed in valve seat, Fixed seal connection is in the pump case 35 of valve seat upper end, the centrifugal water-wheel 36 being rotatably installed in pump case, and is sealedly connected on pump The pump cover 37 of the aluminum alloy material of shell upper end.
The valve seat side is integrally formed with inlet union 311 and outlet connection 313, the inlet union and outlet connection It is located along the same line, the inlet union is connected by the interface that goes out to urinate of flexible pipe and catheter, and the outlet connection passes through soft Pipe is connected with urinal.
For the side wall of the inlet union integrally formed with a piston installing pipe 312, the piston installing pipe is interior to slide peace Equipped with a piston 32, the piston installing pipe outer end is fixedly connected with one and departs from piston installing pipe to limit piston Lid 33, spring 322 is installed between the piston and lid；The one end of the piston away from spring be connected with one with to prevent The gag lever post 321 that only piston is slipped into inlet union.
The valve element side wall forms passage, and the valve element upper end forms the connection recess of polygon.Form the company The solid surface for connecing recess can be partly in the channel space, as long as not exclusively blocking channel.
The pump case side is integrally formed with liquid inlet joint 351 and goes out liquid joint 353, the pump case inner bottom part form with The admission chamber 354 of liquid inlet joint connection, the admission chamber are located at the lower section of centrifugal water-wheel center, it is described go out liquid joint be located at The side of centrifugal water-wheel；Slip location-plate 352 of the upper surface of the pump case integrally formed with rectangle.
The liquid inlet joint is connected by flexible pipe with heated coupling a, it is described go out liquid joint pass through flexible pipe and heated coupling b and connect Connect.Sterilized water is full of in the pump case and heating inner tube a, heating inner tube b.
The centrifugal water-wheel includes a driven turntable, is fixedly mounted on multiple with circumference array point on driven turntable The driven magnet of cloth, multiple blades being distributed with circumference array away from pump cover one end, one are integrally attached on driven turntable The connecting rod away from pump cover one end center on driven turntable is connected to, and is connected to the ratchet mechanism 361 of connecting rod lower end；Institute State connecting rod and pass through the pump case, the ratchet mechanism is connected with the connection recess on valve element.
The ratchet mechanism includes inner ring and the outer ring of rotation connection, be respectively equipped with the inner ring and outer ring ratchet, Ratchet.
The pump cover lower end periphery uniformly forms multiple heat exchanger fins 371, and the heat exchanger fin is located at the periphery of centrifugal water-wheel.
The main frame includes housing 21, is fixedly mounted on control board 22 in housing, battery 23, air pressure sensing Device 24, infrared temperature sensor 25, the heater 28 and motor 27 of annular, the battery, baroceptor, infrared temperature pass Sensor, heater and motor electrically connect with control board respectively.
Housing lower end side forms an installation slot 213, and the pump valve assemblies are by sliding location-plate grafting In installation slot, the housing is slidably fitted with a limit slippage location-plate close to the side of installation slot-side and departs from peace Plug the sliding shackle 26 of groove.
The housing lower end corresponds to the installation site shaping having heaters installing port 212 of pump valve assemblies, and the heater is consolidated Dingan County is in heater installing port.
The output shaft of the motor is coaxially connected with a driving rotating disk 271, and the driving rotating disk is located at heater inner circumferential, The drive magnet with driven magnet position correspondence is installed with the driving rotating disk.
The motor only drives centrifugal water-wheel to rotate when rotating forward, ratchet mechanism idle running；Centrifugation is driven during the motor reversal Water wheels rotate, while drive valve core rotation by ratchet mechanism.The motor is stepper motor or servomotor.
The infrared temperature sensor is fixedly mounted on housing lower end position corresponding with liquid inlet joint side wall；The air pressure Sensor is fixedly mounted on housing lower end, and baroceptor is connected by pipeline with lid.
The control board is also associated with the button switch 25 for open and close machine, and the button switch extend out to housing Outside.
One side wall of the housing is connected with clip, and clip is used to main frame being clipped in underpants..
The housing is connected by screw by two halfbodies and formed.
The side that sliding shackle is installed on the housing forms the lock mounting groove 211 of rectangle, the lock mounting groove It is made up of two parts on two halfbodies, the sliding shackle is arranged on lock mounting groove.
The lock include be arranged in parallel to stop that pump valve assemblies depart from the internal lock buckle of installation slot, and outside Surface forming has the outer pushing plate of friction striped, in addition to the connecting portion of connection internal lock buckle and outer pushing plate, the thickness of the connecting portion Degree is suitable with the thickness of housing；The position that the housing lower end corresponds to internal lock buckle forms the bar passed downwards for internal lock buckle Shape opening.
Pushing up sliding shackle makes internal lock buckle be disengaged with sliding location-plate, you can loads onto or pull down pump valve assemblies.
The heater is ptc heater.
The temperature probe of the infrared temperature sensor offsets or is close with liquid inlet joint.
After the pump valve assemblies load in the installation slot, the pump cover offsets with the heater.
Heating inner tube a, heating inner tube b are connected by connection cover and connection lid, and pass through pump by the catheter of the present invention The centrifugal pump that shell, pump cover and centrifugal water-wheel are formed makes the liquid in heating inner tube produce circulation, coordinates heater to produce heat pair Urethra is heated, and reaches the purpose for preventing urethra oedema.And the structure of catheter sections is relatively easy, body portion can be once Extrusion forming, connection cover, connection lid, utricule and adapter portion are assembled on body one by one, in technique with existing catheter It is no different.
The pump valve assemblies by setting piston to play a part of isolating urine and conducting pressure, make baroceptor not with Urine produces any type of contact, prevents cross-infection.
Heater, motor in the main frame etc. do not connect directly with catheter, main in the absence of the risk of cross-infection Machine can repeatedly use, and reduce the holistic cost of urethral catheterization device.
The motor only drives centrifugal water-wheel to rotate when rotating forward, and when needing urination, motor, which just inverts, drives valve core rotation to set Determine angle（Motor reversal drives 90 degree of passages to valve element of valve core rotation to be alignd with inlet union, outlet connection during urination, passes through After setting time, motor continues reversion and drives 90 degree of passages to valve element of valve core rotation to stagger with inlet union, outlet connection）, So one part of motor realizes two functions, reduces the quantity of execution unit, reduces the volume of main frame.
Embodiment 2
The present embodiment also includes the remote control being connected with control board by radio communication on the basis of embodiment 1, The remote control includes power switch button, temperature adjustment button（One is heightened button and one is turned down button）Adjusted with pressure Save button（One is heightened button and one is turned down button）.

Claims (8)

  1. A kind of 1. urological department urethral catheterization device, it is characterised in that：Include main frame, the pump valve assemblies being removably mounted on main frame, And the catheter and urinal being connected respectively with pump valve assemblies by flexible pipe；
    The catheter includes body, is connected to the connection cover of body one end, is connected to company of the connection cover away from body one end Logical lid, is connected to utricule of the tube wall close to connection cover one end, and be connected to adapter portion of the body away from connection cover one end；
    The inboard wall of tube body is integrally formed with heating inner tube a, heating inner tube b, utricule liquid injection pipe and drug-feeding tube, the heating inner tube A, utricule liquid injection pipe, heating inner tube b, drug-feeding tube be successively along the circumferentially equidistant distribution of body, the heating inner tube a, utricule liquid injection pipe, Inner tube b, drug-feeding tube is heated to set along tube length direction respectively；Position of the tube wall between utricule and connection cover Offer urine filling mouth, the position of the urine filling mouth and the heating inner tube a, utricule liquid injection pipe, heating inner tube b, the position of drug-feeding tube Put and be staggered；
    Inner tube a is correspondingly heated in described connection cover one end, heating inner tube b position form respectively both ends insertion connection plug a, Connect plug b；The connection cover correspond to chemical feed pipe position form both ends insertion enter medicine head；The connection cover corresponds to utricule The position of injection-tube forms plug；
    The connection lid is soft silica gel material, and the connection lid outer end is hemispherical, shape between the connection lid and connection cover Into connection connection plug a and connection plug b space；The position that the connection lid corresponds to medicine head, which is formed into medicine, avoids mouth；
    The position that the utricule liquid injection pipe corresponds to utricule offers fluid-through port；
    The adapter portion includes to go out to urinate interface with body away from what connection cover one end connected, the heating connected with heating inner tube a Joint a, the heated coupling b connected with heating inner tube b, the fluid injection joint connected with utricule liquid injection pipe, and connected with chemical feed pipe Enter medicine joint；
    The pump valve assemblies include valve seat, the cylindrical valve element for the quality of rubber materials being rotatably installed in valve seat, fixing seal The pump case of valve seat upper end is connected to, the centrifugal water-wheel being rotatably installed in pump case, and it is sealedly connected on the aluminium conjunction of pump case upper end The pump cover of golden material；
    The valve seat side is located at always integrally formed with inlet union and outlet connection, the inlet union and outlet connection On line, the inlet union is connected by the interface that goes out to urinate of flexible pipe and catheter, and the outlet connection is connected by flexible pipe and urinal Connect；
    The side wall of the inlet union is slidably fitted with one integrally formed with a piston installing pipe in the piston installing pipe Piston, the piston installing pipe outer end is fixedly connected with one to limit the lid that piston departs from piston installing pipe, described Spring is installed between piston and lid；The one end of the piston away from spring is connected with one to prevent piston from slipping into import Gag lever post in joint；
    The valve element side wall forms passage, and the valve element upper end forms the connection recess of polygon；
    The pump case side is integrally formed with liquid inlet joint and goes out liquid joint, and the pump case inner bottom part forms to be connected with liquid inlet joint Logical admission chamber, the admission chamber are located at the lower section of centrifugal water-wheel center, it is described go out liquid joint be located at the side of centrifugal water-wheel Face；Slip location-plate of the upper surface of the pump case integrally formed with rectangle；
    The liquid inlet joint is connected by flexible pipe with heated coupling a, it is described go out liquid joint be connected by flexible pipe with heated coupling b；
    The centrifugal water-wheel includes a driven turntable, be fixedly mounted on driven turntable it is multiple with circumference array distribution Driven magnet, multiple blades being distributed with circumference array away from pump cover one end, integrally connected are integrally attached on driven turntable The connecting rod away from pump cover one end center on driven turntable, and it is connected to the ratchet mechanism of connecting rod lower end；The connecting rod Through the pump case, the ratchet mechanism is connected with the connection recess on valve element；
    The pump cover lower end periphery uniformly forms multiple heat exchanger fins, and the heat exchanger fin is located at the periphery of centrifugal water-wheel；
    The main frame includes housing, is fixedly mounted on control board in housing, battery, baroceptor, infrared temperature Spend sensor, the heater and motor of annular, the battery, baroceptor, infrared temperature sensor, heater and motor Electrically connected respectively with control board；
    Housing lower end side form one installation slot, the pump valve assemblies by slide location-plate be plugged on installation insert In groove, the housing is slidably fitted with a limit slippage location-plate close to the side of installation slot-side and departs from installation slot Sliding shackle；
    The housing lower end corresponds to the installation site shaping having heaters installing port of pump valve assemblies, and the heater is fixedly mounted on In heater installing port；
    The output shaft of the motor is coaxially connected with a driving rotating disk, and the driving rotating disk is located at heater inner circumferential, the drive The drive magnet with driven magnet position correspondence is installed with turn disk；
    The motor only drives centrifugal water-wheel to rotate when rotating forward, ratchet mechanism idle running；Centrifugal water-wheel is driven during the motor reversal Rotate, while valve core rotation is driven by ratchet mechanism；
    The infrared temperature sensor is fixedly mounted on housing lower end position corresponding with liquid inlet joint side wall；The air pressure sensing Device is fixedly mounted on housing lower end, and baroceptor is connected by pipeline with lid.
  2. A kind of 2. urological department urethral catheterization device as claimed in claim 1, it is characterised in that：The control board is also associated with using In the button switch of open and close machine, the button switch is extend out to outside housing.
  3. A kind of 3. urological department urethral catheterization device as claimed in claim 1, it is characterised in that：One side wall of the housing is connected with Clip.
  4. A kind of 4. urological department urethral catheterization device as claimed in claim 1, it is characterised in that：The housing passes through spiral shell by two halfbodies Nail connects and composes.
  5. A kind of 5. urological department urethral catheterization device as claimed in claim 4, it is characterised in that：Sliding shackle is installed on the housing Side forms the lock mounting groove of rectangle, and the lock mounting groove is made up of two parts on two halfbodies, the cunning Dynamic lock is arranged on lock mounting groove；
    The lock include be arranged in parallel stopping that pump valve assemblies depart from the internal lock buckle of installation slot, and outer surface Form friction striped outer pushing plate, include connection internal lock buckle and outer pushing plate connecting portion, the thickness of the connecting portion and The thickness of housing is suitable；The position that the housing lower end corresponds to internal lock buckle forms the strip passed downwards for internal lock buckle and opened Mouthful.
  6. A kind of 6. urological department urethral catheterization device as claimed in claim 1, it is characterised in that：The heater is ptc heater.
  7. A kind of 7. urological department urethral catheterization device as claimed in claim 1, it is characterised in that：The thermometric of the infrared temperature sensor Probe offsets or is close with liquid inlet joint.
  8. A kind of 8. urological department urethral catheterization device as claimed in claim 1, it is characterised in that：The pump valve assemblies load the installation After in slot, the pump cover offsets with the heater.
CN201711309344.0A 2017-12-11 2017-12-11 Urological department urethral catheterization device Expired - Fee Related CN107802900B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711309344.0A CN107802900B (en) 2017-12-11 2017-12-11 Urological department urethral catheterization device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711309344.0A CN107802900B (en) 2017-12-11 2017-12-11 Urological department urethral catheterization device

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CN107802900A true CN107802900A (en) 2018-03-16
CN107802900B CN107802900B (en) 2020-04-17

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4619648A (en) * 1984-12-20 1986-10-28 The Kendall Company Connection apparatus for side connection to fluid collection bag
US5344435A (en) * 1988-07-28 1994-09-06 Bsd Medical Corporation Urethral inserted applicator prostate hyperthermia
CN1190340A (en) * 1995-07-07 1998-08-12 伦德仪器公司 Device for local heat treatment of tissue
CN205094458U (en) * 2015-11-10 2016-03-23 南阳医学高等专科学校第一附属医院 Uropoiesis is on -line monitoring urethral catheterization device for surgery

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4619648A (en) * 1984-12-20 1986-10-28 The Kendall Company Connection apparatus for side connection to fluid collection bag
US5344435A (en) * 1988-07-28 1994-09-06 Bsd Medical Corporation Urethral inserted applicator prostate hyperthermia
CN1190340A (en) * 1995-07-07 1998-08-12 伦德仪器公司 Device for local heat treatment of tissue
CN205094458U (en) * 2015-11-10 2016-03-23 南阳医学高等专科学校第一附属医院 Uropoiesis is on -line monitoring urethral catheterization device for surgery

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