CN106442312A - Automatic detection machine for friction coefficient of medical catheter - Google Patents
Automatic detection machine for friction coefficient of medical catheter Download PDFInfo
- Publication number
- CN106442312A CN106442312A CN201611086144.9A CN201611086144A CN106442312A CN 106442312 A CN106442312 A CN 106442312A CN 201611086144 A CN201611086144 A CN 201611086144A CN 106442312 A CN106442312 A CN 106442312A
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- frame
- torque arm
- slide rail
- chuck
- detection
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- Pending
Links
- 238000001514 detection method Methods 0.000 title abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 241001465754 Metazoa Species 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 208000002193 Pain Diseases 0.000 abstract description 2
- 230000001133 acceleration Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 238000000576 coating method Methods 0.000 description 3
- 229960001866 silicon dioxide Drugs 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 239000005662 Paraffin oil Substances 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009429 distress Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000000642 iatrogenic effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000000968 intestinal effect Effects 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010339 medical test Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/02—Measuring coefficient of friction between materials
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
An automatic detection machine for friction coefficient of a medical catheter comprises a frame, an actuating mechanism, a computer host, a control panel, a display screen, a keyboard, a mouse, a beaker and a positioning block, wherein the actuating mechanism is mounted on the frame, the computer host is mounted in the frame, the positioning block is fixedly mounted on the frame and positioned on one side of the actuating mechanism, the beaker is placed on the frame and positioned by the positioning block, and the control panel is mounted in the front of the frame. The automatic detection machine fills the blank without detection of current industries and solves the problems that manual detection is inaccurate and unscientific, circular detection is inconsistent and the like, computer-controlled unattended automatic single detection and circular repeated detection are achieved, the automatic detection machine simulates single or repeated drawing processes of a medical catheter in a human body or an animal body, the detection intensity of medical staff is relieved to some extent, and forward detection for relieving pain of a clinical patient treated in a catheterization manner is ensured.
Description
Technical field
The present invention relates to medical apparatus and instruments field tests, more particularly, to a kind of catheter coefficient of friction automatic detecting machine.
Background technology
At present catheter in clinical treatment using quite varied, need when catheter uses or long-term or short-term with
Body tissue contacts, and when inserting or pull out tissue every time, patient has different degrees of burning pain sense, easily causes and glues accordingly
Membrane damage, or even tissue inflammation.This is larger with the coefficient of friction of when injected organism tissue mainly due to catheter surface material, in this regard, section
Grind personnel and medical personnel employ multiple means and are lubricated process to the surface of conduit, to mitigate the iatrogenic misery of patient.
The general at present method adopting is paraffin oil or chelated iodine outer coating, silica-gel coating method, water-soluble lubricating coating；These three sides
The conduit that method is processed all can reduce the coefficient of friction that catheter is with body and then the discomfort of reduction patient to a certain extent
Degree, but can be had differences unavoidably between batch and individuality using the catheter that these methods are processed, lead to some doctors
Treat conduit fall flat, catheter surface coefficient of friction is still larger, in being necessary in this case to producing
The skin-friction coefficient of catheter is detected, or but current industry no detect when producing such conduit and use,
Take manual mode of operation, manually-operated mode cannot simulate detected environment, also cannot Real-time Collection recorder chart
And lteral data, there is data uncontrollability, inaccuracy and not scientific in therefore manual detection mode.
Content of the invention
The present invention seeks to overcome lacking of above-mentioned detection, or detection meanss more fall behind data uncontrollability, are forbidden
Really property and not scientific problem, provide a kind of catheter coefficient of friction automatic detecting machine.
Technical scheme：
A kind of catheter coefficient of friction automatic detecting machine include frame, actuator, host computer, control panel, display screen,
Keyboard, mouse, beaker, locating piece；Described actuator is arranged in described frame；Described host computer is arranged in frame
Portion；Described locating piece is fixed on the side being located at described actuator in described frame；Described beaker is placed in described machine
Positioned by described locating piece on frame；Described control panel is arranged on described frame front；Described keyboard, mouse, display screen are all pacified
It is placed in frame.
Further, described control panel is provided with some operation buttons, grip force instrument, system mode display screen.
Further, described actuator includes frame I, torque arm mechanism, arm mechanism；Described 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
Become；Described line slide rail is provided with 2 and is separately mounted in described frame I；The described torque arm seat of honour is arranged on described line slide rail,
Can slide up and down along straight line line rail；Described accurate lead screw be arranged in frame I with described line slide rail homonymy；Described servomotor
It is arranged in frame I, positioned at frame I bottom；Described accurate lead screw is connected with described servomotor using shaft coupling, by servo electricity
Machine drives；Described sensor fixed seat is arranged on the described torque arm seat of honour；Described S-shaped is provided with described sensor fixed seat pass
Sensor；Described universal hinging device is connected with described S-shaped sensor；Described torque arm is connected with described universal hinging device；Described folder
Head is arranged on described torque arm front end using pin, and described chuck can be around described pin rotation；Between described torque arm and described chuck
It is also equipped with a compression spring；Described arm mechanism includes base, motor, Miniature precision line slide rail, Miniature precision silk
Bar, tong, jig arm I, jig arm II, grip force sensor；Described floor installation is in described frame I；Described motor is arranged on
On described base；Described Miniature precision line slide rail is arranged on described base；Described Miniature precision screw mandrel is arranged on described bottom
On seat, driven by motor；Described tong is arranged on described Miniature precision line slide rail, in the transmission of Miniature precision screw mandrel
Under can horizontally slip along described Miniature precision line slide rail；Described jig arm I is provided with described tong；Install in described jig arm I
There is chuck I；Described jig arm II is arranged on described base；It is connected using guide post between described jig arm I and described jig arm II；Institute
State and chuck II is provided with jig arm II；Described grip force sensor is close to jig arm II and is arranged on described base.
Further, described frame I also has the elongated slot being parallel to each other with line slide rail；Torque arm row is provided with described elongated slot
Journey adjusting nut；The torque arm stroke scale being parallel to each other with described elongated slot is also equipped with described frame I.
Further, the described torque arm seat of honour is provided with stroke arrow.
Further, described chuck II and described chuck I front end are mounted on bionical medical treatment silica gel.
Further, described catheter coefficient of friction automatic detecting machine is by host computer control.
The manual detection mode that the present invention uses with current industry or the present situation of no detection catheter surface coefficient of friction are compared,
Present device has advantages below：（1）The no detection that the present invention has filled up current industry is blank, solves manual detection not
Accurately, not science, cycle detection discordance etc. the problems such as.（2）The detection data of the present invention is in real time with figure and concrete word
Data record, and automatic computing is detected the coefficient of friction result of conduit, and it is automatically saved to computer, export the electricity of concrete data
Sub- shelves form, grid-connected Real-Time Sharing to the interiorly or exteriorly network of medical institutions can directly feed healthcare givers's inspection, realize no
Paperization operates, and also exportable papery form, directly inspects for medical testing staff, has science, hommization data acquisition
Calculate and the way of output.（3）The present invention realizes the automatic single detection of the unmanned intervention of full-computerized and circulation repeated detection, simulation medical treatment
The process of conduit single or multiple pulls in human body or animal body, alleviates the detection labor of medical medical personnel to a certain extent
Fatigue resistance.（4）The specification detection method of catheter detection industry.（5）Mitigate insertion catheter treatment mode for clinical patient
Misery be forward detection ensure.（6）Graphically, the report form of digitization provides to doctor and the coefficient of pipe friction is had
Statistical direct reference, helps doctor's control to patient distress level in clinical practice.
Brief description
Fig. 1 is shown in figure for solid of the present invention；Fig. 2 is front view of the present invention；Fig. 3 is torque arm mechanism of the present invention partial enlarged drawing；
Fig. 4 is rearview of the present invention；Fig. 5 is partial sectional view of the present invention；Fig. 6 is arm mechanism partial enlarged drawing of the present invention；Fig. 7 is this
Invention torque arm mechanism clamp schematic diagram.
As shown in the figure：A kind of catheter coefficient of friction automatic detecting machine include frame 1, actuator 2, host computer 3,
Control panel 4, display screen 5, keyboard 6, mouse 7, beaker 8, locating piece 9；Described actuator 2 is arranged in described frame 1；Institute
State host computer 3 to be arranged on inside frame 1；Described locating piece 9 is fixed in described frame 1 and is located at described actuator 2
Side；Described beaker 8 is placed in and is positioned by described locating piece 9 in described frame 1；Described control panel 4 is arranged on described machine
Frame 1 is anterior；Described keyboard 6, mouse 7, display screen 5 are all placed in frame.Described control panel is provided with some operation buttons
11st, grip force instrument 12, system mode display screen 13.
Described actuator includes frame I 10, torque arm mechanism, arm mechanism；Described 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 forms；Described line slide rail 21 is provided with 2 and is separately mounted in described frame I 10；The described torque arm seat of honour 23 is installed
On described line slide rail 21, can slide up and down along straight line line rail 21；Described accurate lead screw 22 be arranged in frame I 10 with described
Line slide rail 21 homonymy；Described servomotor 24 is arranged in frame I 10, positioned at frame I 10 bottom；Described accurate lead screw 22 makes
It is connected with described servomotor 24 with shaft coupling 210, driven by servomotor 24；Described sensor fixed seat 25 is arranged on described
On the torque arm seat of honour 23；Described S-shaped sensor 26 is provided with described sensor fixed seat 25；Described universal hinging device 27 with described
S-shaped sensor 26 is connected；Described torque arm 28 is connected with described universal hinging device 27；Described chuck 29 is installed using pin 211
In described torque arm 28 front end, described chuck 29 can rotate around described pin 211；Also pacify between described torque arm 28 and described chuck 29
Equipped with a compression spring 212；Described arm mechanism includes base 31, 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；Described base 31 is arranged in described frame I 10；
Described motor 32 is arranged on described base 31；Described Miniature precision line slide rail 33 is arranged on described base 31；Institute
State Miniature precision screw mandrel 34 to be arranged on described base 31, driven by motor 32；Described tong 35 is arranged on described miniature
On accurate line slide rail 33, can horizontally slip along described Miniature precision line slide rail 33 under the transmission of Miniature precision screw mandrel 34；
Described jig arm I 36 is provided with described tong 35；In described jig arm I 36, chuck I 39 is installed；Described jig arm II 37 is arranged on institute
State on base 31；It is connected using guide post 310 between described jig arm I 36 and described jig arm II 37；Install in described jig arm II 37
There is chuck II 311；Described grip force sensor 38 is close to jig arm II 37 and is arranged on described base 31.
Described frame I 10 also has the elongated slot 41 being parallel to each other with line slide rail 21；On described elongated slot 41, torque arm is installed
Stroke adjustment nut 43；The torque arm stroke scale 42 being parallel to each other with described elongated slot 41 is also equipped with described frame I 10.
On the described torque arm seat of honour, stroke arrow 44 is installed.
Described chuck II 37 and described chuck I 36 front end are mounted on bionical medical treatment silica gel 45.
Described catheter coefficient of friction automatic detecting machine is controlled by host computer 3.
The workflow of the present invention and Introduction on Principle：Will be fixing and torque arm mechanism for the top needing the catheter of detection
At chuck, then will be full of simulation medium solution in beaker, the lower end of catheter is placed in the solution in beaker, in computer
In set parameter, arm mechanism pass through step motor control Miniature precision screw mandrel rotate so that realize Tourniquet clamping head I and chuck II
The pre- pinching action to catheter for the jig arm, rear equipment brings into operation, torque arm mechanism under computer control, servomotor with
The speed, acceleration, acceleration and deceleration curves simulation doctor or the medical personnel that set implement catheter insertion human body or animal
The pulling motion of internal tubular tissue, all jig arm actions of arm mechanism simultaneously also control motor to set by computer
Speed, acceleration, acceleration and deceleration curves and with instrument set grip force to catheter be simulated catheter enter human body or
Animal blood vessels or the environment of intestinal or other tubular tissues, such torque arm mechanism with arm mechanism under computer control, coordinates
Complete detection action.The action of the mechanism of torque arm here can set loop test pattern, and the S type sensor of torque arm is pulling up and down
During in real time by computer gathered data and record, also read the grip force sensor of jig arm and corresponding jig arm inside computer simultaneously
Kinematic parameter, calculates coefficient of friction automatically according to following calculation：Frictional force between two surfaces is referred to according to coefficient of friction
Ratio with the vertical force acting in surface thereof.It is relevant with the roughness on surface, and and contact area size no
Close.Definition：If two surfaces are static each other, the contact place between that two surface can form a strong adhesion static friction
Power, just can make a surface to another apparent motion unless destroyed this adhesion, obtaining column：fs=μs*N；Wherein N is vertical
Power, fs are stiction（Adhesion）, μ s be confficient of static friction；And this destroys the minimum that this adhesion is also intended to make object start
Power, we cry again this power be maximum static friction force.Therefore we can be rewritten into above formula：fk=μs*N；Wherein fk is dynamic rubbing
Wiping power, N are vertical force；Vertical force and kinetic force of friction are exported by the above-mentioned automatic computing of method computer and is depicted as real-time curve
With concrete numeral.
Embodiment described above is only that the preferred embodiment of the present invention is described, the not model to the present invention
Enclose and be defined, on the premise of without departing from design spirit of the present invention, the technical side to the present invention for the those of ordinary skill in the art
Various modifications and improvement that case is made, all should fall in the protection domain of claims of the present invention determination.
Claims (7)
1. a kind of catheter coefficient of friction automatic detecting machine it is characterised in that：Including frame, actuator, host computer, control
Panel processed, display screen, keyboard, mouse, beaker, locating piece；Described actuator is arranged in described frame；Described host computer
It is arranged on machine frame inside；Described locating piece is fixed on the side being located at described actuator in described frame；Described beaker
It is placed in and positioned by described locating piece in described frame；Described control panel is arranged on described frame front；Described keyboard, Mus
Mark, display screen are all placed in frame.
2. a kind of catheter coefficient of friction automatic detecting machine according to claim 1 it is characterised in that：
Described 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：Described execution machine
Structure includes frame I, torque arm mechanism, arm mechanism；Described 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；Described line slide rail is provided with 2 pacifies respectively
It is contained in described frame I；The described torque arm seat of honour is arranged on described line slide rail, can slide up and down along straight line line rail；Described essence
Close screw mandrel be arranged in frame I with described line slide rail homonymy；Described servomotor is arranged in frame I, under frame I
Portion；Described accurate lead screw is connected with described servomotor using shaft coupling, is driven by servomotor；Described sensor fixed seat peace
It is contained on the described torque arm seat of honour；Described S-shaped sensor is provided with described sensor fixed seat；Described universal hinging device with described
S-shaped sensor is connected；Described torque arm is connected with described universal hinging device；Described chuck is arranged on before described torque arm using pin
End, described chuck can be around described pin rotation；It is also equipped with a compression spring between described torque arm and described chuck；Described jig arm
Mechanism includes base, motor, Miniature precision line slide rail, Miniature precision screw mandrel, tong, jig arm I, jig arm II, grip force biography
Sensor；Described floor installation is in described frame I；Described motor is arranged on described base；Described Miniature precision straight line
Slide rail is arranged on described base；Described Miniature precision screw mandrel is arranged on described base, is driven by motor；Described tong
It is arranged on described Miniature precision line slide rail, can be left along described Miniature precision line slide rail under the transmission of Miniature precision screw mandrel
Right slip；Described jig arm I is provided with described tong；In described jig arm I, chuck I is installed；Described jig arm II is arranged on described
On base；It is connected using guide post between described jig arm I and described jig arm II；In described jig arm II, chuck II is installed；Described
Grip force sensor is close to jig arm II and is arranged on described base.
4. a kind of catheter coefficient of friction automatic detecting machine according to claim 3 it is characterised in that：Described frame I
Also have the elongated slot being parallel to each other with line slide rail；Torque arm stroke adjustment nut is provided with described elongated slot；In described frame I also
The torque arm stroke scale being parallel to each other with described elongated slot is installed.
5. a kind of catheter coefficient of friction automatic detecting machine according to claim 3 it is characterised in that：Described torque arm master
On seat, stroke arrow is installed.
6. a kind of catheter coefficient of friction automatic detecting machine according to claim 3 it is characterised in that：Described chuck II
It is mounted on bionical medical treatment silica gel with described chuck I front end.
7. a kind of catheter coefficient of friction automatic detecting machine according to claim 1 it is characterised in that：Described 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 |
|---|---|---|---|
| CN201611086144.9A CN106442312A (en) | 2016-12-01 | 2016-12-01 | Automatic detection machine for friction coefficient of medical catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611086144.9A CN106442312A (en) | 2016-12-01 | 2016-12-01 | Automatic detection machine for friction coefficient of medical catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106442312A true CN106442312A (en) | 2017-02-22 |
Family
ID=58224170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611086144.9A Pending CN106442312A (en) | 2016-12-01 | 2016-12-01 | Automatic detection machine for friction coefficient of medical catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106442312A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1038791A (en) * | 1996-07-26 | 1998-02-13 | Hinode Suido Kiki Kk | Apparatus for measuring coefficient of friction of surface construction |
| US20060081031A1 (en) * | 2004-10-18 | 2006-04-20 | Jonathan Dale Anderson | Medical coating test apparatus and method |
| JP2014190703A (en) * | 2013-03-26 | 2014-10-06 | Gifu Prefecture | Device and method for evaluating catheter friction |
| CN205157401U (en) * | 2015-11-23 | 2016-04-13 | 沈阳新智源医疗用品有限公司 | Medical catheter surface coating homogeneity testing arrangement |
| CN105547995A (en) * | 2016-01-18 | 2016-05-04 | 东华大学 | Device and method for measuring pulling smoothness of tubular fabric for coating sample |
| CN206208730U (en) * | 2016-12-01 | 2017-05-31 | 厦门雷创科技有限公司 | A kind of catheter coefficient of friction automatic detecting machine |
-
2016
- 2016-12-01 CN CN201611086144.9A patent/CN106442312A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1038791A (en) * | 1996-07-26 | 1998-02-13 | Hinode Suido Kiki Kk | Apparatus for measuring coefficient of friction of surface construction |
| US20060081031A1 (en) * | 2004-10-18 | 2006-04-20 | Jonathan Dale Anderson | Medical coating test apparatus and method |
| JP2014190703A (en) * | 2013-03-26 | 2014-10-06 | Gifu Prefecture | Device and method for evaluating catheter friction |
| CN205157401U (en) * | 2015-11-23 | 2016-04-13 | 沈阳新智源医疗用品有限公司 | Medical catheter surface coating homogeneity testing arrangement |
| CN105547995A (en) * | 2016-01-18 | 2016-05-04 | 东华大学 | Device and method for measuring pulling smoothness of tubular fabric for coating sample |
| CN206208730U (en) * | 2016-12-01 | 2017-05-31 | 厦门雷创科技有限公司 | A kind of catheter coefficient of friction automatic detecting machine |
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Application publication date: 20170222 |
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| RJ01 | Rejection of invention patent application after publication |