CN206208730U - A kind of catheter coefficient of friction automatic detecting machine - Google Patents
A kind of catheter coefficient of friction automatic detecting machine Download PDFInfo
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- CN206208730U CN206208730U CN201621305383.4U CN201621305383U CN206208730U CN 206208730 U CN206208730 U CN 206208730U CN 201621305383 U CN201621305383 U CN 201621305383U CN 206208730 U CN206208730 U CN 206208730U
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Abstract
A kind of catheter coefficient of friction automatic detecting machine includes frame, executing agency, host computer, control panel, display screen, keyboard, mouse, beaker, locating piece；The executing agency is arranged in the frame；The host computer is arranged on machine frame inside；The locating piece is fixed in the frame positioned at the side of the executing agency；The beaker is placed in the frame and is positioned by the locating piece；The control panel is arranged on the frame front.The utility model filled up current industry without detection blank, solve manual detection it is inaccurate, not science, cycle detection inconsistency etc. the problems such as；Realize that full-computerized is unmanned and intervene automatic single detection and circulation repeated detection, simulate the process of catheter single or multiple pulls in human body or animal body, the detection labour intensity of medical medical personnel is alleviated to a certain extent, is that the pain of clinical patient mitigation insertion catheter treatment mode has done forward's detection guarantee.
Description
Technical field
The utility model is related to medicine equipment testing field, more particularly to a kind of catheter coefficient of friction automatic detection
Machine.
Background technology
Current catheter in clinical treatment using quite varied, needed when catheter is used or in long or short term with
Body tissue is contacted, and when inserting or pull out tissue every time, patient has different degrees of burning pain sense, easily causes corresponding viscous
Membrane damage, or even tissue inflammation.This is larger with the coefficient of friction of injected organism tissue mainly due to catheter surface material, in this regard, section
Grind personnel and medical personnel employ multiple means and are lubricated treatment to the surface of conduit, to mitigate the iatrogenic pain of patient.
The method for using general at present is paraffin oil or chelated iodine outer coating, silica-gel coating method, water-soluble lubricating coating；These three sides
The conduit of method treatment can to a certain extent reduce catheter with the coefficient of friction of body and then the discomfort of reduction patient
Degree, but the catheter processed using these methods can have differences unavoidably between batch and individuality, cause some to cure
Conduit fall flat is treated, catheter surface coefficient of friction is still larger, in this case just must be in production
The skin-friction coefficient of catheter detected, or but industry is used when such conduit is produced without detection at present,
Manual mode of operation is taken, manually-operated mode cannot simulate detected environment, also cannot Real-time Collection inking chart
And lteral data, therefore there is data uncontrollability, inaccuracy and not scientific in manual detection mode.
Utility model content
The utility model seeks to overcome lacking for above-mentioned detection, or detection means more to fall behind and data uncontrollability,
Inaccuracy and not scientific problem, there is provided a kind of catheter coefficient of friction automatic detecting machine.
The technical solution of the utility model：
A kind of catheter coefficient of friction automatic detecting machine includes frame, executing agency, host computer, control panel, aobvious
Display screen, keyboard, mouse, beaker, locating piece；The executing agency is arranged in the frame；The host computer is arranged on machine
Inside frame；The locating piece is fixed in the frame positioned at the side of the executing agency；The beaker is placed in institute
State and positioned by the locating piece in frame；The control panel is arranged on the frame front；The keyboard, mouse, display screen
It is placed in frame.
Further, the control panel is provided with some operation buttons, grip force instrument, system mode display screen.
Further, the executing agency includes frame I, torque arm mechanism, arm mechanism；The torque arm mechanism is slided by straight line
Rail, accurate lead screw, the torque arm seat of honour, servomotor, sensor fixed seat, S-shaped sensor, universal hinging device, torque arm, chuck group
Into；The line slide rail is provided with 2 and is separately mounted in the frame I；The torque arm seat of honour is arranged on the line slide rail,
Can be slided up and down along straight line line rail；The accurate lead screw is arranged in frame I and the line slide rail homonymy；The servomotor
In frame I, positioned at the bottom of frame I；The accurate lead screw is connected using shaft coupling with the servomotor, by servo electricity
Machine drives；The sensor fixed seat is arranged on the torque arm seat of honour；The S-shaped is installed in the sensor fixed seat to pass
Sensor；The universal hinging device is connected with the S-shaped sensor；The torque arm connects with the universal hinging device；The folder
Head is arranged on the torque arm front end using pin, and the chuck can be around the pin rotation；Between the torque arm and the chuck
It is also equipped with a compression spring；The arm mechanism includes base, stepper motor, Miniature precision line slide rail, Miniature precision silk
Bar, tong, jig arm I, jig arm II, grip force sensor；The floor installation is in the frame I；The stepper motor is arranged on
On the base；The Miniature precision line slide rail is arranged on the base；The Miniature precision screw mandrel is arranged on the bottom
On seat, driven by stepper motor；The tong is arranged on the Miniature precision line slide rail, in the transmission of Miniature precision screw mandrel
Under can be horizontally slipped along the Miniature precision line slide rail；The jig arm I is installed on the tong；Installed in the jig arm I
There is chuck I；The jig arm II is arranged on the base；Connected using guide post between the jig arm I and the jig arm II；Institute
State and chuck II is installed in jig arm II；The grip force sensor is close to jig arm II on the base.
Further, the frame I is also provided with the elongated slot being parallel to each other with line slide rail；Torque arm row is installed on the elongated slot
Journey adjusting nut；The torque arm stroke scale being parallel to each other with the elongated slot is also equipped with the frame I.
Further, stroke arrow is installed on the torque arm seat of honour.
Further, the chuck II is mounted on bionical medical silica gel with the front end of the chuck I.
Further, the catheter coefficient of friction automatic detecting machine is by host computer control.
Manual detection mode or the present situation without detection catheter surface coefficient of friction that the utility model and current industry are used
Compare, the utility model equipment has advantages below：（1）The utility model filled up current industry without detection blank, solve
Manual detection it is inaccurate, not science, cycle detection inconsistency etc. the problems such as.（2）Detection data reality of the present utility model
When recorded with figure and specific lteral data, and automatic computing is detected the coefficient of friction result of conduit, and is automatically saved to electricity
Brain, exports the electronics shelves form of specific data, can grid-connected Real-Time Sharing to the interiorly or exteriorly network of medical institutions directly feed
Healthcare givers inspects, and realizes paperless work, and also exportable papery form, directly inspects, with science for medical testing staff
, the data acquisition calculating of hommization and the way of output.（3）The utility model realizes that full-computerized is unmanned and intervenes automatic single detection
And circulation repeated detection, the process of catheter single or multiple pulls in human body or animal body is simulated, subtract to a certain extent
The light detection labour intensity of medical medical personnel.（4）The specification detection method of catheter detection industry.（5）It is clinic
The pain that patient mitigates insertion catheter treatment mode has done forward's detection guarantee.（6）Graphically, the report form of digitization is to doctor
Raw providing has Statistical direct reference to the coefficient of pipe friction, helps doctor in clinical practice to Case treatment pain journey
The control of degree.
Brief description of the drawings
Fig. 1 is shown in figure for the utility model solid；Fig. 2 is the utility model front view；Fig. 3 is the utility model torque arm mechanism
Partial enlarged drawing；Fig. 4 is the utility model rearview；Fig. 5 is the utility model partial sectional view；Fig. 6 is pressed from both sides for the utility model
Arm mechanism partial enlarged drawing；Fig. 7 is the utility model torque arm mechanism clamp schematic diagram.
Specific embodiment
As shown in the figure：A kind of catheter coefficient of friction automatic detecting machine include frame 1, executing agency 2, host computer 3,
Control panel 4, display screen 5, keyboard 6, mouse 7, beaker 8, locating piece 9；The executing agency 2 is arranged in the frame 1；Institute
Host computer 3 is stated to be arranged on inside frame 1；The locating piece 9 is fixed on and the executing agency 2 is located in the frame 1
Side；The beaker 8 is placed in the frame 1 and is positioned by the locating piece 9；The control panel 4 is arranged on the machine
Frame 1 is anterior；The keyboard 6, mouse 7, display screen 5 are placed in frame.The control panel is provided with some operation buttons
11st, grip force instrument 12, system mode display screen 13.
The executing agency includes frame I 10, torque arm mechanism, arm mechanism；The torque arm mechanism is by line slide rail 21, essence
Close screw mandrel 22, the torque arm seat of honour 23, servomotor 24, sensor fixed seat 25, S-shaped sensor 26, universal hinging device 27, torque arm
28th, chuck 29 is constituted；The line slide rail 21 is provided with 2 and is separately mounted in the frame I 10；The torque arm seat of honour 23 is installed
On the line slide rail 21, can be slided up and down along straight line line rail 21；The accurate lead screw 22 be arranged on frame I 10 on it is described
The homonymy of line slide rail 21；The servomotor 24 is arranged in frame I 10, positioned at the bottom of frame I 10；The accurate lead screw 22 makes
It is connected with the servomotor 24 with shaft coupling 210, is driven by servomotor 24；The sensor fixed seat 25 is arranged on described
On the torque arm seat of honour 23；The S-shaped sensor 26 is installed in the sensor fixed seat 25；The universal hinging device 27 with it is described
S-shaped sensor 26 is connected；The torque arm 28 connects with the universal hinging device 27；The chuck 29 is installed using pin 211
In the front end of the torque arm 28, the chuck 29 can be rotated around the pin 211；Also pacify between the torque arm 28 and the chuck 29
Equipped with a compression spring 212；The arm mechanism includes base 31, stepper motor 32, Miniature precision line slide rail 33, miniature essence
Close screw mandrel 34, tong 35, jig arm I 36, jig arm II 37, grip force sensor 38；The base 31 is arranged in the frame I 10；
The stepper motor 32 is arranged on the base 31；The Miniature precision line slide rail 33 is arranged on the base 31；Institute
Miniature precision screw mandrel 34 is stated on the base 31, is driven by stepper motor 32；The tong 35 is arranged on described miniature
On accurate line slide rail 33, can be horizontally slipped along the Miniature precision line slide rail 33 under the transmission of Miniature precision screw mandrel 34；
The jig arm I 36 is installed on the tong 35；Chuck I 39 is installed in the jig arm I 36；The jig arm II 37 is arranged on institute
State on base 31；Connected using guide post 310 between the jig arm I 36 and the jig arm II 37；Installed in the jig arm II 37
There is chuck II 311；The grip force sensor 38 is close to jig arm II 37 on the base 31.
The frame I 10 is also provided with the elongated slot 41 being parallel to each other with line slide rail 21；Torque arm is installed on the elongated slot 41
Stroke adjustment nut 43；The torque arm stroke scale 42 being parallel to each other with the elongated slot 41 is also equipped with the frame I 10.
Stroke arrow 44 is installed on the torque arm seat of honour.
The chuck II 37 is mounted on bionical medical silica gel 45 with the front end of the chuck I 36.
The catheter coefficient of friction automatic detecting machine is controlled by host computer 3.
Workflow of the present utility model and Introduction on Principle：The top of the catheter of detection will be needed to fix and torque arm machine
At the chuck of structure, then simulation medium solution will be full of in beaker, in the solution that the lower end of catheter is placed in beaker,
Parameter is set in computer, arm mechanism is rotated by step motor control Miniature precision screw mandrel and then realizes Tourniquet clamping head I and folder
First II jig arm brings into operation to the pre- pinching action of catheter, rear equipment, torque arm mechanism under computer control, servo electricity
Machine with the speed that sets, acceleration, acceleration and deceleration curves be simulated doctor or medical personnel implement catheter insertion human body or
The pulling motion of tubular tissue in animal body, while all jig arm action of arm mechanism also controls stepper motor to set by computer
Fixed speed, acceleration, acceleration and deceleration curves and the grip force set with instrument is simulated catheter and enters people to catheter
The environment of body or animal blood vessels or enteron aisle or other tubular tissues, such torque arm mechanism and arm mechanism under computer control,
Coordinate and complete detection action.The action of the mechanism of torque arm here can set loop test pattern, and the S types sensor of torque arm is upper drop-down
By computer gathered data and recorded in real time in dynamic process, the grip force sensor of jig arm and corresponding is also read in computer inside simultaneously
Jig arm kinematic parameter, coefficient of friction is calculated according to following calculation automatically：Refer to rubbing between two surfaces according to coefficient of friction
Wipe the ratio of power and the vertical force acted in surface thereof.It is relevant with the roughness on surface, and big with contact area
It is small unrelated.Definition：If two surfaces are static each other, the contact place between that two surface can form a strong adhesion --- it is quiet to rub
Power is wiped, can just make a surface to another apparent motion unless destroyed this adhesion, obtain column：fs=μs*N；Wherein N is vertical
Straight power, fs are stiction（Adhesion）, μ s be confficient of static friction；And this destroys this adhesion and is also intended to make object start most
Small power, we are called this power for maximum static friction force.Therefore we can be rewritten into above formula：fk=μs*N；Wherein fk is
Frictional force, N are vertical force；Export vertical force and kinetic force of friction and be depicted as real-time song by the above-mentioned automatic computing of method computer
Line and specific numeral.
Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality
New scope is defined, and on the premise of the utility model design spirit is not departed from, those of ordinary skill in the art are to this
Various modifications and improvement that the technical scheme of utility model is made, all should fall into the protection of the utility model claims determination
In the range of.
Claims (7)
1. a kind of catheter coefficient of friction automatic detecting machine, it is characterised in that：Including frame, executing agency, host computer, control
Panel processed, display screen, keyboard, mouse, beaker, locating piece；The executing agency is arranged in the frame；The host computer
Installed in machine frame inside；The locating piece is fixed in the frame positioned at the side of the executing agency；The beaker
It is placed in the frame and is positioned by the locating piece；The control panel is arranged on the frame front；The keyboard, mouse
Mark, display screen are placed in frame.
2. a kind of catheter coefficient of friction automatic detecting machine according to claim 1, it is characterised in that：
The control panel is provided with some operation buttons, grip force instrument, system mode display screen.
3. a kind of catheter coefficient of friction automatic detecting machine according to claim 1, it is characterised in that：The execution machine
Structure includes frame I, torque arm mechanism, arm mechanism；The torque arm mechanism is by line slide rail, accurate lead screw, the torque arm seat of honour, servo electricity
Machine, sensor fixed seat, S-shaped sensor, universal hinging device, torque arm, chuck composition；The line slide rail is provided with 2 pacifies respectively
In the frame I；The torque arm seat of honour is arranged on the line slide rail, can be slided up and down along straight line line rail；The essence
Close screw mandrel is arranged in frame I and the line slide rail homonymy；The servomotor is arranged in frame I, under frame I
Portion；The accurate lead screw is connected using shaft coupling with the servomotor, is driven by servomotor；The sensor fixed seat peace
On the torque arm seat of honour；The S-shaped sensor is installed in the sensor fixed seat；The universal hinging device with it is described
S-shaped sensor is connected；The torque arm connects with the universal hinging device；Before the chuck is arranged on the torque arm using pin
End, the chuck can be around the pin rotation；A compression spring is also equipped between the torque arm and the chuck；The jig arm
Mechanism includes that base, stepper motor, Miniature precision line slide rail, Miniature precision screw mandrel, tong, jig arm I, jig arm II, grip force are passed
Sensor；The floor installation is in the frame I；The stepper motor is arranged on the base；The Miniature precision straight line
Slide rail is arranged on the base；The Miniature precision screw mandrel is arranged on the base, is driven by stepper motor；The tong
On the Miniature precision line slide rail, can be left along the Miniature precision line slide rail under the transmission of Miniature precision screw mandrel
Right slip；The jig arm I is installed on the tong；Chuck I is installed in the jig arm I；The jig arm II is arranged on described
On base；Connected using guide post between the jig arm I and the jig arm II；Chuck II is installed in the jig arm II；It is described
Grip force sensor is close to jig arm II on the base.
4. a kind of catheter coefficient of friction automatic detecting machine according to claim 3, it is characterised in that：The frame I
Also it is provided with the elongated slot being parallel to each other with line slide rail；Torque arm stroke adjustment nut is installed on the elongated slot；In the frame I also
The torque arm stroke scale being parallel to each other with the elongated slot is installed.
5. a kind of catheter coefficient of friction automatic detecting machine according to claim 3, it is characterised in that：The torque arm master
Stroke arrow is installed on seat.
6. a kind of catheter coefficient of friction automatic detecting machine according to claim 3, it is characterised in that：The chuck II
Bionical medical silica gel is mounted on the front end of the chuck I.
7. a kind of catheter coefficient of friction automatic detecting machine according to claim 1, it is characterised in that：The medical treatment is led
Pipe friction coefficient automatic detecting machine is by host computer control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621305383.4U CN206208730U (en) | 2016-12-01 | 2016-12-01 | A kind of catheter coefficient of friction automatic detecting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621305383.4U CN206208730U (en) | 2016-12-01 | 2016-12-01 | A kind of catheter coefficient of friction automatic detecting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206208730U true CN206208730U (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621305383.4U Active CN206208730U (en) | 2016-12-01 | 2016-12-01 | A kind of catheter coefficient of friction automatic detecting machine |
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| CN (1) | CN206208730U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442312A (en) * | 2016-12-01 | 2017-02-22 | 厦门雷创科技有限公司 | Automatic detection machine for friction coefficient of medical catheter |
-
2016
- 2016-12-01 CN CN201621305383.4U patent/CN206208730U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442312A (en) * | 2016-12-01 | 2017-02-22 | 厦门雷创科技有限公司 | Automatic detection machine for friction coefficient of medical catheter |
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