CN206876718U - A kind of needleless joint microorganism invasion test instrument - Google Patents
A kind of needleless joint microorganism invasion test instrument Download PDFInfo
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- CN206876718U CN206876718U CN201720749451.4U CN201720749451U CN206876718U CN 206876718 U CN206876718 U CN 206876718U CN 201720749451 U CN201720749451 U CN 201720749451U CN 206876718 U CN206876718 U CN 206876718U
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- 238000012360 testing method Methods 0.000 title claims abstract description 68
- 244000005700 microbiome Species 0.000 title claims abstract description 38
- 230000009545 invasion Effects 0.000 title claims abstract description 32
- 239000007924 injection Substances 0.000 claims abstract description 84
- 238000002347 injection Methods 0.000 claims abstract description 84
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 238000002474 experimental method Methods 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000001802 infusion Methods 0.000 claims description 20
- 229910001220 stainless steel Inorganic materials 0.000 claims description 16
- 239000010935 stainless steel Substances 0.000 claims description 16
- 230000001954 sterilising effect Effects 0.000 claims description 9
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 239000012530 fluid Substances 0.000 abstract description 8
- 230000002457 bidirectional effect Effects 0.000 abstract description 5
- 230000010354 integration Effects 0.000 abstract description 2
- 239000008354 sodium chloride injection Substances 0.000 description 7
- 241001149930 Protura <class> Species 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 239000003182 parenteral nutrition solution Substances 0.000 description 6
- 238000001467 acupuncture Methods 0.000 description 4
- 230000001580 bacterial effect Effects 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000011900 installation process Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001141 propulsive effect Effects 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 241000588624 Acinetobacter calcoaceticus Species 0.000 description 1
- 241000192125 Firmicutes Species 0.000 description 1
- 241000588747 Klebsiella pneumoniae Species 0.000 description 1
- 241000589517 Pseudomonas aeruginosa Species 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a kind of needleless joint microorganism invasion test instrument,The test sample vessel being provided with for examination needleless joint is delivered on conveying rotating disc through conveying assembly,It is transported under the drive of the rotating conveying belt of conveying rotating disc on rotational locking device,When supplying examination needleless joint of the cylindrical taper joint face test sample vessel upper end of locking-type Rule of emitter,Rotational locking device spiral is completed for screw-in and locking of the examination needleless joint to the cylindrical taper joint of locking-type Rule,The continuous drawing liquid and injection operation of injection handle have been driven using reciprocal micro- bidirectional reciprocating rotation for waving drive Dual-direction rotation gear in certain angle of wabbler mechanism,Realize fluid path,Repeat nearly 100 times test period mechanization in the microorganism invasion experiment of bloody path needleless interface,Form the intelligent experiment line of integration,Reduce manual operation heavy in existing microorganism invasion experiment and pollution,And improve the efficiency in microorganism invasion experiment,Ensure the accuracy of experimental implementation.
Description
Technical field
It the utility model is related to medical apparatus field, and in particular to a kind of needleless joint microorganism invasion test instrument and its make
Use method.
Background technology
With the development of modern medical service technology, clinically application obtains popularizing and original has pin vein detaining needle for fluids infusion mode
Transfusion system can not fully meet the needs of domestic clinic, and the appearance of Needleless seal transfusion technology, compensate for pin transfusion
Deficiency of the system in clinic, make progressively to substitute backward acupuncture to connect into order to can using needleless connection in infusion connection system
Energy.The mode that needleless connection (infusion) technology refers to not use puncture of steel needles calparine cap in infusion system is attached.Nothing
Pin closed transfusion technology no longer makes be attached with the mode of acupuncture in infusion system, will have pin infusion connection to be changed to needleless
Infusion connection, it can avoid accidentally injuring caused by acupuncture, simplify mode of operation, mitigate the labor intensity of medical personnel, protect patient
Vein blood vessel, medication path is safeguarded, to reducing operating personnel's acupuncture infection professional risk, mitigate medical personnel's labor intensity, carry
High workload efficiency and the equal important in inhibiting of therapeutic quality.
Before clinically using needleless interface every time, it is required for carrying out disinfection to it according to the disinfectant program that manufacturer provides.
If the disinfectant program that manufacturer provides is inappropriate, or there is design defect in needleless interface, and the microorganism of interface may
Into fluid path and bloody path system, patient body health is influenceed.Microorganism invasion experiment must be carried out for this kind of apparatus, with to manufacture
Disinfectant program and the needleless interface design that business provides carry out overall merit.The microbial species to be checked of the microorganism invasion experiment of joint
Class is gram-positive bacteria, MRSE, staphylococcus aureus, pseudomonas aeruginosa, Klebsiella Pneumoniae and Bao Man
Several most common pathogens of acinetobacter calcoaceticus.
Needleless interface is often attached with Rule attachment means.According to ISO594 standard, the distal end of medicament delivery device
Tip is cone and presents and be tapered 6%, therefore forms the convex portion that can be called Rule attachment means.Rule connects
The recess of device be such as accordingly to be connected to distal tip needle holder be tapered 6% hole.Such Rule connection
Device allows the connection of the No leakage between medicament delivery device and such as needle holder, and provides protection against them and contain
Decoction product pollution.In YY/T 0923《Fluid path, bloody path needleless interface microorganism invasion test method》Have in standard following
Regulation：For a test specimen, under aseptic technique, the tests below cycle is carried out again and again by hand：1) take
There is a syringe of luer lock outer cone conehead, extract 10mL sodium chloride injections (or using there is locking-type outer cone cone
The disposable pre-encapsulated injector of head)；2) the locking-type outer cone conehead of syringe is screwed in for examination needleless joint；3) to for trying
Injection 10mL sodium chloride injections in needleless joint；4) the luer lock outer cone of syringe is screwed off from for examination needleless joint
Conehead.
Because test requirements document carries out the inspection of a variety of bacterial strains.For each bacterial strain, the inspected number of every batch of sample is at least 5
Even 20 samples.Each sample may need to repeat the above-mentioned test period nearly 100 times.With no-needle transfusion joint
Product is more and more, and reviewer's workload can be more and more heavier.And manual operation experiment during easily bring it is cumbersome,
Easily cause introducing artificial pollution, the problems such as influenceing result of the test, in order to avoid with reduce pollution and need to use disposable inoculated
Syringe (about more than ten yuan every) is sealed, this causes too high experimentation cost, waste of manpower and time.Therefore, there is an urgent need to develop
The test apparatus that microorganism invasion experiment is carried out to needleless interface of manual operation can be replaced.
Utility model content
For technical problem present in above-mentioned prior art, the purpose of this utility model is to provide instead of manual operation
The test apparatus of microorganism invasion experiment is carried out to needleless interface.
In order to solve the above technical problems, the technical solution of the utility model is：
A kind of needleless joint microorganism invasion test instrument, including experiment cabinet, operating desk, conveying assembly, conveying rotating disc, rotation
Locking device, wag injection device, injecting systems, the conveying assembly, conveying rotating disc are arranged on operating desk, and conveying assembly connects
Connect needleless joint microorganism invasion test instrument enters bottleneck and bottle outlet, and conveying assembly docks with conveying rotating disc, the rotation lock
Determine device to be embedded in conveying rotating disc and be connected with conveying rotating disc by outside screw, the injecting systems include injection handle clamp
Tool, injection needle tube fixture, injection liquid supplying device, the wag injection device includes Dual-direction rotation gear, wabbler mechanism, two-way
Rotation gear is connected by gear connecting rod with wabbler mechanism, and Dual-direction rotation gear is nibbled with injection handle clip outer rim by gear
Closing, injection needle tube clamp injector syringe, the female cone locking needleless joint of syringe is located at rotational locking device upper end,
Injector syringe is connected by infusion pipeline with injection liquid supplying device.
Conveying assembly docks with conveying rotating disc, and the test sample vessel being provided with for examination needleless joint conveys through conveying assembly
To conveying rotating disc, it is transported under the drive of the rotating conveying belt of conveying rotating disc on rotational locking device, injection needle tube fixture
Injector syringe is clamped, the female cone locking of the cylindrical taper joint face test sample vessel of locking-type Rule of syringe supplies examination
During needleless joint, rotational locking device spiral complete for examination screw-in from needleless joint to the cylindrical taper joint of locking-type Rule with
Locking.Now reciprocal micro- drive Dual-direction rotation gear that waves using wabbler mechanism of wag injection device upper end is in certain angle
Interior bidirectional reciprocating rotation, the injection handle clip also certain amplitude motion up and down therewith of connection is engaged with Dual-direction rotation gear,
The continuous drawing liquid and injection operation of injection handle have been driven, has finally realized that the extraction of parenteral solution in syringe and injection are continuous automatic
Work.After injection operation terminates, rotational locking device spiral, which declines, completes the cylindrical taper joint of locking-type Rule with being connect for examination needleless
Head back-out with separating, when rotational locking device is dropped to conveying rotating disc same level, conveying rotating disc be rotated further by
Test sample vessel exports.Injection handle clip, injection needle tube fixture, injection liquid supplying device dismounting side in injecting systems
Just, reliably, installation process will not cause microorganism pollution.Syringe should be able to be with sodium chloride injection bag and stainless steel locking-type Shandong
You realize sterile connection by the liquid feeding end of cylindrical taper joint by sterile fluid path, and form Sterile closed systems, make its repeatedly to
Test specimen accurate injection during bacterial injections liquid without not introducing pollution.
Preferably, the cylindrical taper joint of stainless steel locking-type Rule for examination needleless interface with being provided with centering sensing apparatus.For examination
Needleless joint can realize the adjust automatically centering with the cylindrical taper joint of locking-type Rule, make both on the same axis.Rotation lock
Determine device and drive needleless interface to the cylindrical taper joint precession of stainless steel locking-type Rule and back-out, it is smooth operation, reliable.
Preferably, propulsive force is 27.5N during rotational locking device precession (dextrorotation), and turning moment is no more than for 0.1N
M, when screwing out (left-handed), the torsion applied is it is ensured that both are outwarded winding.
Preferably, the injection speed of syringe is 1mL/s, injection time 10s.
Preferably, the time interval that test sample vessel is injected is arranged to 10s.
Preferably, the conveying assembly includes belt conveyor, drive device and drive, is placed in two before and after conveying assembly
Two drives at end are connected by the belt conveyor, and one of two described drives are connected with the drive device, by institute
Stating drive device drives the drive to rotate, so that the belt conveyor rotates.
Preferably, the rotational locking device includes rotation gear, drive, driving frame, electric rotating machine, the transmission
Frame is connected by outside screw with conveying rotating disc, and the input axis connection of electric rotating machine and drive rotates input shaft, now
The gear at T-shaped input shaft both ends can circumferentially move as input shaft rotates, the rotation gear being engaged with and input
Axle synchronous axial system.
Preferably, the wabbler mechanism includes the swing motor that swing block, rocking bar and driving rocking bar wave, swing block
Rear end is provided with the gear connecting rod that is connected with Dual-direction rotation gear, gear connecting rod the extending axially rearward along swing block,
The rocking bar is fixed on swing block perpendicular to gear connecting rod direction, and the swing motor is waved by rocking bar driving
Block does reciprocating swing.
Preferably, described rocking bar one end is connected with swing motor, the other end and pass perpendicularly through rocking bar wave fixation
Bolt connection, the swing block are cylindric block, are respectively equipped with the cylindric swing block and accommodate rocking bar and wave solid
Determine the rocking trough and bolt fixing groove of bolt, the internal thread matched with waving fixing bolt is set in the bolt fixing groove.
Preferably, the drive device, swing motor, electric rotating machine are connected with test instrument controller, described experiment
Instrument
Controller can record test period display record frequency injection, can suspend and recover to test.
Preferably, check valve is set on the infusion pipeline.
Preferably, sterilizing filter is set between the syringe and infusion pipeline.
Preferably, the injection liquid supplying device is multiple devices for being available for 500mL liquid bag to hang.
Preferably, the cylindrical taper joint material of described locking-type Rule is stainless steel.
Preferably, the drive device is direct current generator or motor.
Preferably, steam sterilizing room is installed on the conveyer belt of the conveying assembly.
Relative to prior art, the beneficial effects of the utility model：
1st, it is of the present utility model to drive Dual-direction rotation gear in certain angle using reciprocal micro- wave of wabbler mechanism
Bidirectional reciprocating is rotated, and the injection handle clip also certain amplitude motion up and down therewith of connection is engaged with Dual-direction rotation gear, is driven
The continuous drawing liquid and injection operation of injection handle, finally realize parenteral solution in syringe extraction and injection continuously from starting building
Make.
2nd, the injection handle clip in the utility model injecting systems, injection needle tube fixture, injection liquid supplying device dismounting
Convenient, reliable, installation process will not cause microorganism pollution.Syringe and sodium chloride injection bag and stainless steel locking-type Rule
The liquid feeding end of cylindrical taper joint realizes sterile connection by sterile fluid path, and forms Sterile closed systems, makes it repeatedly to examination
Test during sample accurate injection aseptic parenteral solution and do not introduce pollution, the cylindrical taper joint of stainless steel locking-type Rule with for examination needleless
Interface is provided with centering sensing apparatus.The adjust automatically centering with the cylindrical taper joint of locking-type Rule can be realized for examination needleless joint,
Make both on the same axis.Rotational locking device drive needleless interface to the cylindrical taper joint precession of stainless steel locking-type Rule and
Screw out, it is smooth operation, reliable.
3rd, the size of test instrument of the present utility model is little, can be operated in Biohazard Safety Equipment or superclean bench,
And test instrument surface should be readily cleaned sterilization, device realizes to be repeated in fluid path, the experiment of the microorganism invasion of bloody path needleless interface
Nearly 100 times test period mechanization is carried out, forms the intelligent experiment line of integration, is reduced numerous in existing microorganism invasion experiment
The manual operation of weight, and the efficiency in microorganism invasion experiment is improved, reduce and polluted in microorganism invasion experiment, ensure experiment
The accuracy of operation.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model test instrument；
Fig. 2 is the structural representation of the utility model syringe；
Fig. 3 is the structural representation of the utility model rotational locking device；
Fig. 4 is the structural representation of the utility model wabbler mechanism.
In figure：1st, experiment cabinet, 2, operating desk, 3, conveying assembly, 4, steam sterilizing room, 5, conveying rotating disc, 6, spin locking
Device, 7, rotation gear, 8, drive, 9, electric rotating machine, 10, rotary frame, 11, injecting systems, 12, Dual-direction rotation gear,
13rd, wabbler mechanism, 13a, rocking bar, 13b, swing block, 13c, fixing bolt is waved, 13d, rocking trough, 13e, bolt fixing groove,
14th, swing motor, 15, gear connecting rod, 16, wave swing angle adjustment disk, 17, injection handle clip, 18, injection needle tube
Fixture, 19, injection liquid supplying device, 20, injector syringe, 21, injector handle, 22, the cylindrical taper joint of locking-type Rule,
23rd, test sample vessel, 24, infusion pipeline, 25, check valve, 26, for trying needleless joint, 27, test instrument controller, 28, rotation
Turn conveyer belt.
Embodiment
It is noted that described further below is all exemplary, it is intended to provides further instruction to the application.It is unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
The utility model is further illustrated with reference to the accompanying drawings and examples, in order to the reason of technical staff of the same trade
Solution：
Embodiment 1
The utility model is described in detail with reference to accompanying drawing as follows：
A kind of needleless joint microorganism invasion test instrument, including experiment cabinet 1, operating desk 2, conveying assembly 3, conveying rotating disc 5,
Rotational locking device 6, wag injection device, injecting systems 11, the conveying assembly 3, conveying rotating disc 5 are arranged on operating desk 2
On, conveying assembly 3 includes belt conveyor, drive device and drive, and drive device is direct current generator, before being placed in conveying assembly
Two drives at both ends are connected by the belt conveyor afterwards, and one of two described drives are connected with the drive device,
The drive is driven to rotate by the drive device, so that belt conveyor rotates, belt conveyor connection needleless joint microorganism
Intrusion test instrument enters bottleneck and bottle outlet, is provided with steam sterilizing room 4 on the belt conveyor of conveying assembly 3, belt conveyor with
Conveying rotating disc 5 docks, and for the rotational locking device 6 by being embedded in conveying rotating disc 5, rotational locking device includes rotation gear
7th, drive 8, driving frame 9, electric rotating machine 10, the driving frame 9 are embedded in conveying rotating disc 5, by external screw thread with it is defeated
The internal thread of feed turntable 5 connects, and the input axis connection of electric rotating machine 10 and drive 8 rotates input shaft, now T-shaped input
The gear at axle both ends can circumferentially move, the rotation gear 7 being engaged with as input shaft rotates
With input shaft synchronous axial system.The injecting systems 11 include injection handle clip 17, injection needle tube fixture 18, injection
Liquid supplying device 19, the wag injection device wave including Dual-direction rotation gear 12, swing block 13b, rocking bar 13a and driving
The swing motor 14 that bar 13a is waved, swing block 13b rear ends are provided with the gear connecting rod 15 being connected with Dual-direction rotation gear 12, institute
The extending axially rearward along swing block 13b of gear connecting rod 15 is stated, the rocking bar 13a is perpendicular to the side of gear connecting rod 15
To being fixed on swing block 13b, the swing motor 14 drives swing block 13b to be reciprocating swing, rocking bar 13a by rocking bar
One end is connected with swing motor 14, and the other end is connected with passing perpendicularly through the rocking bar 13a fixing bolt 13c that waves, described to wave
Block 13b is cylindric block, is respectively equipped with the cylindric swing block 13b and accommodates rocking bar 13a and wave fixing bolt 13c
Rocking trough 13d and bolt fixing groove 13e, in the bolt fixing groove 13e set with wave fixing bolt 13c match it is interior
Screw thread, Dual-direction rotation gear 12 are connected by gear connecting rod 15 with swing block 13b, Dual-direction rotation gear 12 and injection handle
The outer rim of fixture 17 is engaged by gear, and injection needle tube fixture 18 clamps injector syringe 20, the confession of the female cone locking of syringe
Examination needleless joint 26 is located at rotational locking device upper end, and injector syringe 20 passes through infusion pipeline 24 and injection liquid supplying device 19
Connection, injection liquid supplying device 19 are multiple devices for being available for 500mL liquid bag to hang, and check valve 25 is set on infusion pipeline 24,
Sterilizing filter is set between injector syringe 20 and infusion pipeline 24, and the cylindrical taper joint 22 of locking-type Rule of stainless steel is with supplying
Examination needleless interface 26 is provided with centering sensing apparatus.The cylindrical taper joint 22 of stainless steel locking-type Rule can realize adjust automatically centering,
Make both on the same axis.Rotational locking device 6 is completed the cylindrical taper joint 22 of stainless steel locking-type Rule and connect to for examination needleless
Mouthful 26 precessions and back-out, smooth operation, reliable, propulsive force is 27.5N during the precession of rotational locking device 6 (dextrorotation), turning moment
For no more than for 0.1Nm, when screwing out (left-handed), the torsion applied is it is ensured that both are outwarded winding, the injection speed of syringe
For 1mL/s, injection time 10s, the time interval that each test sample vessel 23 is injected is arranged to 10s.Drive device,
Swing motor 9, electric rotating machine 14 are connected with test instrument controller 27, described test instrument controller 27 recordable experiment week
Phase display records frequency injection, can suspend and recover to test.
Embodiment 2
A kind of needleless joint microorganism invasion test instrument, including experiment cabinet 1, operating desk 2, conveying assembly 3, conveying rotating disc 5,
Rotational locking device 6, wag injection device, injecting systems 11, the conveying assembly 3, conveying rotating disc 5 are arranged on operating desk 2
On, conveying assembly 3 includes belt conveyor, drive device and drive, and drive device is motor, is placed in two before and after conveying assembly
Two drives at end are connected by the belt conveyor, and one of two described drives are connected with the drive device,
The drive is driven to rotate by the drive device, so that belt conveyor rotates, belt conveyor connection needleless connects
Head microorganism invasion test instrument enters bottleneck and bottle outlet, and steam sterilizing room 4 is provided with the belt conveyor of conveying assembly 3, defeated
Belt is sent to be docked with conveying rotating disc 5, by being embedded in conveying rotating disc 5, rotational locking device includes the rotational locking device 6
Gear 7, drive 8, driving frame 9, electric rotating machine 10 are rotated, the driving frame 9 is embedded in conveying rotating disc 5, by outer
Screw thread is connected with the internal thread of conveying rotating disc 5, and the input axis connection of electric rotating machine 10 and drive 8 rotates input shaft, now in T
The gear at the input shaft both ends of shape can circumferentially move, the rotation gear 7 and input shaft being engaged with as input shaft rotates
Synchronous axial system.The injecting systems 11 include injection handle clip 17, injection needle tube fixture 18, injection liquid supplying device 19, institute
Wag injection device is stated to shake including what Dual-direction rotation gear 12, swing block 13b, rocking bar 13a and driving rocking bar 13a were waved
Pendulum motor 14, swing block 13b rear ends are provided with the gear connecting rod 15 being connected with Dual-direction rotation gear 12, the gear connecting rod 15
Along extending axially rearward for swing block 13b, the rocking bar 13a is being fixed on swing block perpendicular to the direction of gear connecting rod 15
On 13b, the swing motor 14 drives swing block 13b to do reciprocating swing by rocking bar, and rocking bar 13a one end is with waving electricity
Machine 14 is connected, and the other end is connected with passing perpendicularly through the rocking bar 13a fixing bolt 13c that waves, and the swing block 13b is cylindric
Block, be respectively equipped with the cylindric swing block 13b accommodate rocking bar 13a and wave fixing bolt 13c rocking trough 13d and
Bolt fixing groove 13e, 13e sets the internal thread matched with waving fixing bolt 13c, bidirectional rotation in the bolt fixing groove
Gear 12 is connected by gear connecting rod 15 with swing block 13b, and Dual-direction rotation gear 12 passes through with the injection outer rim of handle clip 17
Gear is engaged, and injection needle tube fixture 18 clamps injector syringe 20, and the female cone locking of syringe is set for examination needleless joint 26
In rotational locking device upper end, injector syringe 20 is connected by infusion pipeline 24 with injection liquid supplying device 19, and parenteral solution supplies
Be multiple devices for being available for 500mL liquid bag to hang to device 19, check valve 25 be set on infusion pipeline 24, injector syringe 20 with
Sterilizing filter is set between infusion pipeline 24, and the cylindrical taper joint 22 of locking-type Rule of stainless steel for examination needleless interface 26 with setting
There is centering sensing apparatus.The cylindrical taper joint 22 of stainless steel locking-type Rule can realize adjust automatically centering, make both in same axle
On line.Rotational locking device 6 completes the cylindrical taper joint 22 of stainless steel locking-type Rule and tries the precession of needleless interface 26 and back-out to confession,
Smooth operation, reliable, propulsive force be 27.5N during the precession of rotational locking device 6 (dextrorotation), and turning moment is no more than for 0.1N
M, when screwing out (left-handed), it is ensured that both are outwarded winding, the injection speed of syringe is 1mL/s for the torsion that is applied, injection time
For 10s, the time interval that each test sample vessel 23 is injected is arranged to 10s.Drive device, swing motor 9, electric rotating
Machine 14 is connected with test instrument controller 27, and described test instrument controller 27 can record the record injection of test period display
Number, it can suspend and recover to test.
Test apparatus operating process of the present utility model：
Conveying assembly docks with conveying rotating disc, and the test sample vessel being provided with for examination needleless joint conveys through conveying assembly
To conveying rotating disc, it is transported under the drive of the rotating conveying belt of conveying rotating disc on rotational locking device, injection needle tube fixture
Injector syringe is clamped, the female cone locking of the cylindrical taper joint face test sample vessel of locking-type Rule of syringe supplies examination
During needleless joint, rotational locking device spiral complete for examination screw-in from needleless joint to the cylindrical taper joint of locking-type Rule with
Locking.Now reciprocal micro- drive Dual-direction rotation gear that waves using wabbler mechanism of wag injection device upper end is in certain angle
Interior bidirectional reciprocating rotation, the injection handle clip also certain amplitude motion up and down therewith of connection is engaged with Dual-direction rotation gear,
The continuous drawing liquid and injection operation of injection handle have been driven, has finally realized that the extraction of parenteral solution in syringe and injection are continuous automatic
Work.
After injection operation terminates, rotational locking device spiral, which declines, completes the cylindrical taper joint of locking-type Rule with supplying examination needleless
The back-out of joint is with separating, and when rotational locking device is dropped to conveying rotating disc same level, conveying rotating disc is rotated further
Test sample vessel is exported.Injection handle clip, injection needle tube fixture, injection liquid supplying device dismounting side in injecting systems
Just, reliably, installation process will not cause microorganism pollution.Syringe should be able to be with sodium chloride injection bag and stainless steel locking-type Shandong
You realize sterile connection by the liquid feeding end of cylindrical taper joint by sterile fluid path, and form Sterile closed systems, make its repeatedly to
Pollution is not introduced during test specimen accurate injection aseptic parenteral solution.
Each test period is subjected to following three basic steps：1) syringe of locking-type outer cone conehead is carried, is extracted
10mL sodium chloride injections；2) the locking-type outer cone conehead of syringe is screwed in for examination needleless joint；3) connect to for examination needleless
Injection 10mL sodium chloride injections in head；4) the locking-type outer cone conehead of syringe is screwed off from for examination needleless joint.Using
Test apparatus is automatically performed three above step again and again instead of manual operation.
The preferred embodiment of the application is the foregoing is only, is not limited to the application, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Claims (9)
1. a kind of needleless joint microorganism invasion test instrument, it is characterised in that including experiment cabinet, operating desk, conveying assembly, conveying
Rotating disk, rotational locking device, wag injection device, injecting systems, test instrument controller, the conveying assembly, conveying rotating disc are set
Put on operating desk, conveying assembly connection needleless joint microorganism invasion test instrument enters bottleneck and bottle outlet, conveying assembly with
Conveying rotating disc docks, and the rotational locking device is embedded in conveying rotating disc and is connected by outside screw with conveying rotating disc, institute
Stating injecting systems includes injection handle clip, injection needle tube fixture, injection liquid supplying device, and the wag injection device includes double
To rotation gear, wabbler mechanism, Dual-direction rotation gear is connected by gear connecting rod with wabbler mechanism, Dual-direction rotation gear and note
Penetrate handle clip outer rim to engage by gear, the syringe of injection needle tube clamp syringe, the female cone locking nothing of syringe
Adapter is located at rotational locking device upper end, and injector syringe is connected by infusion pipeline with injection liquid supplying device；
The needleless joint microorganism invasion test instrument also includes the cylindrical taper joint of stainless steel locking-type Rule, stainless steel locking-type
The cylindrical taper joint of Rule for examination needleless interface with being provided with centering sensing apparatus.
2. needleless joint microorganism invasion test instrument according to claim 1, it is characterised in that the injection of the syringe
Speed is 1mL/s, injection time 10s, and the time interval that test sample vessel is injected is arranged to 10s.
3. needleless joint microorganism invasion test instrument according to claim 1, it is characterised in that the conveying assembly includes
Belt conveyor, drive device and drive, two drives for being placed in conveying assembly rear and front end are connected by the belt conveyor,
And two one of the drive be connected with the drive device.
4. needleless joint microorganism invasion test instrument according to claim 3, it is characterised in that the rotational locking device
Including rotation gear, drive, driving frame, electric rotating machine, the driving frame is connected by outside screw with conveying rotating disc,
The input axis connection of electric rotating machine and drive rotates input shaft, and the gear at now T-shaped input shaft both ends can be with defeated
Enter axle to rotate and circumferentially move, the rotation gear being engaged with and input shaft synchronous axial system.
5. needleless joint microorganism invasion test instrument according to claim 4, it is characterised in that the wabbler mechanism includes
The swing motor that swing block, rocking bar and driving rocking bar wave, swing block rear end is provided with the tooth being connected with Dual-direction rotation gear
Connecting rod is taken turns, gear connecting rod the extending axially rearward along swing block, the rocking bar is perpendicular to gear connecting rod side
To being fixed on swing block, the swing motor drives swing block to do reciprocating swing by rocking bar.
6. needleless joint microorganism invasion test instrument according to claim 5, it is characterised in that described rocking bar one end with
Swing motor is connected, and the other end is connected with passing perpendicularly through the fixing bolt that waves of rocking bar, and the swing block is cylindric block,
The rocking trough and bolt fixing groove for accommodating rocking bar and waving fixing bolt, the spiral shell are respectively equipped with the cylindric swing block
The internal thread matched with waving fixing bolt is set in bolt fixing groove.
7. needleless joint microorganism invasion test instrument according to claim 6, it is characterised in that the drive device, shake
Pendulum motor, electric rotating machine are connected with test instrument controller, and described test instrument controller can record test period display note
Frequency injection is recorded, can suspend and recover to test.
8. needleless joint microorganism invasion test instrument of the right according to the right of claims 1, it is characterised in that described
Check valve is set on infusion pipeline, sterilizing filter is set between syringe and infusion pipeline.
9. needleless joint microorganism invasion test instrument of the right according to claims 1, it is characterised in that the injection
Liquid supplying device is multiple devices for being available for 500mL liquid bag to hang.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720749451.4U CN206876718U (en) | 2017-06-26 | 2017-06-26 | A kind of needleless joint microorganism invasion test instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720749451.4U CN206876718U (en) | 2017-06-26 | 2017-06-26 | A kind of needleless joint microorganism invasion test instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206876718U true CN206876718U (en) | 2018-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720749451.4U Expired - Fee Related CN206876718U (en) | 2017-06-26 | 2017-06-26 | A kind of needleless joint microorganism invasion test instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206876718U (en) |
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2017
- 2017-06-26 CN CN201720749451.4U patent/CN206876718U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180112 |