CN110530627A - A kind of ultrasound knife cutter head endurance testing device and test macro - Google Patents
A kind of ultrasound knife cutter head endurance testing device and test macro Download PDFInfo
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- CN110530627A CN110530627A CN201910921814.1A CN201910921814A CN110530627A CN 110530627 A CN110530627 A CN 110530627A CN 201910921814 A CN201910921814 A CN 201910921814A CN 110530627 A CN110530627 A CN 110530627A
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- 238000012360 testing method Methods 0.000 title claims abstract description 147
- 238000002604 ultrasonography Methods 0.000 title claims abstract description 103
- 238000004088 simulation Methods 0.000 claims abstract description 33
- 230000009471 action Effects 0.000 claims abstract description 29
- 241000357216 Oplegnathus woodwardi Species 0.000 claims abstract description 13
- 238000009527 percussion Methods 0.000 claims abstract description 8
- 230000000994 depressogenic effect Effects 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 7
- 239000003921 oil Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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Abstract
The invention discloses a kind of ultrasound knife cutter head endurance testing device and test macros, the test device includes test platform, positioning component, trigger action component and load simulation component, wherein, positioning component, trigger action component and load simulation component are arranged on test platform, positioning component is used to the ultrasound knife for having been loaded with cutter head to be tested being located in testing stand, trigger action component is used to simulate the movement of trigger pulled repeatedly to control the closure of ultrasound knife jaw, load simulation component is used to simulate the tissue of ultrasound knife jaw clamping, and generates load.Ultrasound knife cutter head endurance testing device of the invention has unified test condition by setting trigger action component and load simulation component, to keep test result more accurate.The test macro can control the movement and timing of trigger movement and ultrasound knife percussion, further improve test result by setting host computer and total control module.
Description
Technical field
The invention belongs to medical instrument test more particularly to a kind of ultrasound knife cutter head endurance testing device and test macros.
Background technique
Ultrasound knife system has the characteristics that fine cutting, safety, tissue selectivity and low temperature hemostasis, more and more answers
For in the treatment of clinical ophthalmic surgical, existing ultrasound knife system to include host, ultrasound knife and floor push, referring to Fig. 1, ultrasound
Knife includes handle A, trigger B and cutter, and the front end of cutter is equipped with cutter head C, is provided with the pincers acted after trigger depression at cutter head C
Mouth D.Currently, the service life of cutter head generallys use manual testing, not only low efficiency, and test to adjust and will receive operator's human factor
Influence, cause test result deviation big.
Summary of the invention
The main purpose of the present invention is to provide a kind of ultrasound knife cutter head endurance testing device and test macros, to provide system
One test condition obtains more accurately test result.
In order to achieve the above objects and other related objects, technical solution of the present invention is as follows:
A kind of ultrasound knife cutter head endurance testing device, comprising:
Test platform,
Positioning component is used to the ultrasound knife equipped with cutter head to be tested being located in test platform；
Trigger action component is used for simulation and pulls the movement of trigger repeatedly to control the opening and closing of ultrasound knife jaw；
Load simulation component is used to simulate the tissue clamped by ultrasound knife jaw, and generates load；
Wherein, the positioning component, the trigger action component and the load simulation component are arranged at the test
On platform.
Optionally, the positioning component includes blade positioning component, the blade positioning component:
Blade positioning seat is arranged on the test platform, and
Compressing member, the compressing member are used to ultrasound knife being pressed on the blade positioning seat.
Optionally, the surface of the blade positioning seat is provided with the matched depressed area of handle profile with ultrasound knife, described
Compressing member for the handle of ultrasound knife to be pressed in the depressed area, the compressing member be arranged on the blade positioning seat or
On the test platform.
Optionally, it is provided between the blade positioning seat and the test platform for the blade positioning seat along the survey
The slide construction of platform sliding is tried, the blade positioning seat is by sliding close to or far from trigger component；
It is provided between the blade positioning seat and the test platform described for the blade positioning seat to be locked at
Locking mechanism on test platform.
Optionally, the trigger component includes:
Mounting base is arranged on the test platform；
Extensible member is mounted in the mounting base, and the trigger of the telescopic direction of the extensible member and ultrasound knife acts
Direction is consistent；And
Trigger member is arranged on the extensible member with extensible member movement, pulls the trigger member by being resisted against
The closure of ultrasound knife jaw is realized on machine.
Optionally, the load simulation component includes:
Carrying belt is used to carry the jaw clamping of ultrasound knife cutter head and bears the ultrasonic wave of percussion；And
It is tensioned mounting structure, is used to be tensioned carrying belt and the carrying belt is mounted in jaw.
Optionally, the tensioning mounting structure includes driving wheel, driven wheel and actuator, and the carrying belt is stretched in described
Between driving wheel and the driven wheel, the actuator is for driving the driving wheel to rotate.
Optionally, it is arranged fluted on the test platform, the center of the driven wheel and the driving wheel is above institute
Test platform is stated, the driven wheel and the driving wheel are partially loaded in the groove.
Optionally, the load simulation component further includes the height and position for limiting the carrying belt distance test platform
Height and position adjustment structure.
Optionally, one or more test stations are provided on the test platform, every place's test station correspondence is set
Trigger action component described in being equipped with one group；
Wherein, everywhere the test station share same group described in load simulation component described in positioning component and same group,
Or the corresponding one group of positioning component of every place's test station, everywhere the test station share one group described in load simulation component.
A kind of ultrasound knife cutter head test macro, including；
Ultrasound knife cutter head endurance testing device described in any one of the above；
Total control module is used to control the movement of the trigger action component and the percussion of ultrasound knife；And
Host computer is used for through its setting experimental condition of the total control module；
Wherein, the host computer is connect with the total control module, the total control module respectively with the ultrasound knife
Host is connected with trigger action component.
Ultrasound knife cutter head endurance testing device of the invention is unified by setting trigger action component and load simulation component
Test condition, to keep test result more accurate.Test macro of the invention, by the way that total control module and host computer is arranged,
Test condition can further be unified, be the more reliable of test result.
Detailed description of the invention
Fig. 1 is shown as the structural schematic diagram of ultrasound knife；
Fig. 2 is shown as an illustrative structural schematic diagram of ultrasound knife cutter head endurance testing device of the invention；
Fig. 3 is shown as the state under non-trigger state when ultrasound knife cutter head endurance testing device test of the invention
Figure；
Fig. 4 is shown as the state under trigger state when ultrasound knife cutter head endurance testing device test of the invention
Figure；
Fig. 5 is shown as the partial enlargement diagram of Fig. 4；
Fig. 6 is shown as the installation site figure of height adjusting structure；
Fig. 7 is shown as the structural schematic diagram of height adjusting structure；
Fig. 8 is shown as the structural schematic diagram of the corresponding control system of ultrasound knife cutter head endurance testing device of the invention；
Fig. 9 is shown as an illustrative structural schematic diagram of positioning component；
Figure 10 is shown as the structural schematic diagram when positioning ultrasound knife of the positioning component in Fig. 9；
Figure 11 is shown as the structural schematic diagram of blade positioning component；
Figure 12 is shown as the structural schematic diagram of knife bar positioning component.
Description of symbols includes: in embodiment
Handle A, trigger B, cutter head C, jaw D；
Test platform 1, sliding slot 11, groove 12；
Blade positioning component 210, blade positioning seat 21, depressed area 211, blade compressing member 22, blade pressure head 221, first
Power cylinder 222, cantilever part 223,
Knife bar positioning component 220, knife bar positioning seat 23, knife bar locating slot 231, knife bar compressing member 24, knife bar pressure head 241,
Second power cylinder 242, first connecting rod 243, second connecting rod 244,
Trigger action component 3, mounting base 31, extensible member 32, trigger member 33；
Load simulation component 4, driving wheel 42, driven wheel 43, actuator 44, height adjusting structure 45, is fixed carrying belt 41
Portion 451, height limit portion 452；
Slide construction 5.
Specific embodiment
In the following description, a large amount of concrete details are given so as to provide a more thorough understanding of the present invention.So
And it is obvious to the skilled person that the present invention may not need one or more of these details and be able to
Implement.In other examples, in order to avoid confusion with the present invention, for some technical characteristics well known in the art not into
Row description.
It should be understood that the present invention can be implemented in different forms, and should not be construed as being limited to propose here
Embodiment.On the contrary, provide these embodiments will make it is open thoroughly and completely, and will fully convey the scope of the invention to
Those skilled in the art.In the accompanying drawings, same reference numerals indicate identical component from beginning to end.
A kind of ultrasound knife cutter head endurance testing device in conjunction with referring to Fig. 1 to Fig. 5, including test platform 1, positioning component, is pulled
Machine action component 3 and load simulation component 4, wherein positioning component, trigger action component 3 and load simulation component 4 are arranged at
On test platform 1, positioning component is used to the ultrasound knife for having been loaded with cutter head C to be tested being located in testing stand, trigger action group
Part 3 is used to simulate the movement of trigger B pulled repeatedly to control the opening and closing of ultrasound knife jaw D, and load simulation component 4 is for simulating
The tissue of ultrasound knife jaw D clamping, and generate load.
Before test, the ultrasound knife for having been loaded with cutter head C to be tested is located on test platform 1 using positioning component, makes to bear
It is corresponding with the ultrasound knife position jaw D to carry simulated assembly 4, when test, is acted controlling trigger action component 3 and simulating trigger B repeatedly,
Make to produce load at ultrasound knife jaw D, so as to control the opening and closing of ultrasound knife jaw D, ultrasound knife cutter head life test dress
It sets, has unified the test conditions such as load, trigger movement, be conducive to keep test result more accurate.
In some embodiments, referring to fig. 2 to Fig. 5, Fig. 9, Figure 10, positioning component includes blade positioning component 210, the knife
Body positioning component 210 includes 22 (not shown) of blade positioning seat 21 and blade compressing member, which is arranged in the survey
It tries on platform 1, which is used to ultrasound knife being pressed on blade positioning seat 21.It, can for example, with reference to Fig. 2 to Fig. 3
Four blade compressing members are being arranged, each blade compressing member is used to a ultrasound knife being pressed on a blade positioning seat 21
On, then four ultrasound knifes can be pressed on by four blade compressing members realizes four ultrasound knife on test platform 1 while testing have
Conducive to raising testing efficiency.Certainly, in the actual implementation process, every that ultrasound knife can also be passed through knife more than two pieces or two pieces
Body compressing member is pressed on the same blade positioning seat, referring to Fig. 9, Figure 10, ultrasound knife can also be determined by a blade with every
Position seat 21 and a blade compressing member 22 are located in test platform 1.
In some embodiments, which can be active grab (not shown).
In further embodiments, referring to Fig. 9 to Figure 12, positioning component not only includes blade positioning component 210, further includes
Knife bar positioning component 220.Certainly, in the actual implementation process, for example, it is also possible to which the blade positioning group in Fig. 9, Figure 10 is only arranged
Part 210, and it is not provided with knife bar positioning component 220, but the knife bar positioning component 220 is set and is conducive to more reliable positioning ultrasound
Knife.
In some embodiments, referring to Fig. 9, Figure 10, Figure 12, knife bar positioning component 220 includes knife bar positioning seat 23 and uses
In the knife bar compressing member 24 being pressed on the knife bar of ultrasound knife on knife bar positioning seat 23.
In some embodiments, referring to Fig. 9 to Figure 11, blade compressing member 22 includes blade pressure head 221 and the first power cylinder
222, blade pressure head 221 compresses under the drive of the first power cylinder 222 or the blade far from ultrasound knife,
In some embodiments, referring to Fig. 9, Figure 10, Figure 12, knife bar compressing member 24 includes that knife bar pressure head 241 and second are dynamic
Power cylinder 242, the second power cylinder 242 compresses under the drive of blade pressure head 221 or the knife bar far from ultrasound knife.
In some embodiments, which further includes the operating pressure for controlling the first power cylinder 222
First pressure control valve, the knife bar compressing member 24 further include the second pressure for controlling the operating pressure of the second power cylinder 242
Control valve can be made in test process, every pressing force tested ultrasound knife keeps one by adjusting corresponding control valve
It causes, is conducive to the accuracy for improving test parameter.
In some embodiments, in conjunction with referring to fig. 2 to Fig. 5, Fig. 9 to Figure 12, the surface of blade positioning seat 21 be provided with
The depressed area 211 of the handle A outline of ultrasound knife, compressing member are used to for the handle A of ultrasound knife being pressed in depressed area 211,
The depressed area 211 is arranged to be conducive to more reliable ultrasound knife is pressed on blade positioning seat 21.
In some embodiments, which is arranged on blade positioning seat 21, in the actual implementation process, should
Blade compressing member 22 also can be set on test platform 1, as long as can be pressed on ultrasound knife on blade positioning seat 21.
In some embodiments, first power cylinder 222 is the composite cylinder of integrated rotation and lifting action.This is first dynamic
Power cylinder 222 can be cylinder or oil cylinder.For example, first power cylinder 222 can be the corner oil cylinder of model ACKL32 × 90.It surveys
When examination, after first power cylinder 222 drives blade pressure head 221 far from depressed area 211, the blade pressure head 221 can also be driven
Rotation makes before test or after the completion of test, can blade pressure head 221 can get out of the way, so as to take out directly up or downwards
It is placed in the blade of ultrasound knife, it is more convenient to operate.
In some embodiments, knife bar locating slot 231 is also equipped on knife bar positioning seat 23.
In some embodiments, blade compressing member 22 further includes cantilever part 223, and it is fixed that the first power cylinder 222 is mounted on blade
On position seat 21 or test platform 1, cantilever part is mounted on the first power cylinder 222 and acts with the first power cylinder 222, blade pressure head
221 are mounted on the cantilever part 223.
In some embodiments, it is provided with link mechanism between second power cylinder 242 and the knife bar pressure head 241,
Second power cylinder 242 is telescoping cylinder, and link mechanism includes first connecting rod 243 and second connecting rod 244, and first connecting rod 243 is cut with scissors
It connects on the telescopic rod of second power cylinder 242；Second connecting rod 244 is hinged on the cylinder body of second power cylinder 242；Its
In, the knife bar pressure head 241 is arranged on the first connecting rod 243, and the second connecting rod 244 is hinged on the first connecting rod
243 intermediate position, when stretching out the telescopic rod of second power cylinder 242, the knife bar pressure head 241 is fixed close to the knife bar
Position seat 23, when the telescopic rod of second power cylinder 242 is withdrawn, the knife bar pressure head 241 is far from the knife bar positioning seat 23.This
The mode of kind setting link mechanism transmitting power, can make knife bar pressure head 241 when far from knife bar positioning seat 23, not only have upper
Raise-position moves, and also has lateral displacement, makes under non-test state, and 23 top of knife bar positioning seat is unobstructed, convenient for directly will when test
It is placed under ultrasound knife knife bar in the knife bar locating slot 231.
In the actual implementation process, which can also be using the other structures except the various embodiments described above, only
It wants ultrasound knife can be pressed on blade positioning seat, knife bar compressing member can also use other structures, as long as can incite somebody to action
Ultrasound knife knife bar is pressed on knife bar positioning seat.
In some embodiments, it is arranged between blade positioning seat 21 and test platform 1 to Fig. 5, Fig. 9 to Figure 12 referring to fig. 2
There is the slide construction slided for blade positioning seat 21 along test platform 1, blade positioning seat 21 is by sliding close to or far from trigger
3 blade positioning seat blade positioning seat of action component.Before test, after blade positioning seat ultrasound knife is mounted on blade positioning seat 21,
Mobile blade positioning seat 21 keeps ultrasound knife mobile with blade positioning seat 21, until the position of the position jaw D and load simulation component 4
It sets and carries out test blade positioning seat after corresponding to again.
In some embodiments, referring to fig. 2 to Fig. 4, which includes that the sliding block being arranged on positioning seat 21 (is schemed not
Show) and the sliding slot 11 on test platform 1 is set, sliding block is located in sliding slot 11, is provided between positioning seat 21 and test platform
Positioning seat 21 is locked on test platform 1 by locking mechanism using the locking mechanism.The locking mechanism (not shown) be bolt or
Active grab.In further embodiments, referring to Fig. 9 to Figure 12, which can be line rail or hard rail, directly be arranged
Control module controls travel position of each positioning seat on corresponding line rail and hard rail, the auxiliary that load simulation component can be made to generate
The position acted on each ultrasound knife upper jaw D is consistent.
In some embodiments, referring to Fig. 9 to Figure 10, sliding is also equipped between knife bar positioning seat 23 and test platform 1
Structure 5 slide knife bar positioning seat 23 can along test platform 1, and knife bar positioning seat 23 can be adjusted to suitable position support knife
Bar.
In some embodiments, referring to Fig. 9, Figure 10, positioning component includes two groups of knife bar positioning components 220 and one group of blade
Positioning component 210, each knife bar positioning component 220 are arranged along the axial direction of knife bar, wherein one group of fixation of knife bar positioning component 220 is set
It sets on test platform 1, this group of knife bar positioning component 220 is used to position the end of knife bar, and another group of knife bar positioning component 220 can
The setting of sliding is on the test platform 1, can be by the knife bar positioning group that is fixed on test platform 1 when test
Part 220 first determines the end position of knife bar, then adjusts the position of blade He remaining knife bar, knife bar end when being conducive to uniformly test
Pressing force, and various sizes of ultrasound knife positioning device can be suitable for.In the actual implementation process, the ultrasound knife positioning group
Part may include knife bar positioning component 220 more than two, can have multiple groups knife bar positioning component 220 to be fixed at test flat
On platform 1, it can also be slidably disposed in by multiple groups positioning component on test platform 1.
In some embodiments, referring to Fig. 3, Fig. 4, Fig. 5, trigger action component 3 includes the peace being arranged on test platform 1
Dress seat 31, the extensible member 32 being mounted in mounting base 31 and the trigger member 33 mobile with extensible member 32, the setting of trigger member 33 are being stretched
On contracting part 32, the telescopic direction of extensible member 32 and the trigger B direction of action of ultrasound knife are consistent, make trigger member 33 stretch band
It is resisted against on trigger B under dynamic, completes the closure of ultrasound knife jaw D.
In some embodiments, which is cylinder, and in the actual implementation process, extensible member 32 is also possible to oil
Cylinder, electric pushrod etc., as long as can be realized flexible.
In some embodiments, trigger B is oriented parallel to the surface of test platform 1, that is, the flexible side of extensible member 32
To the surface also parallel with test platform 1, in the actual implementation process, the direction trigger B is without being limited thereto.
In some embodiments, referring to Fig. 3 to Fig. 5, load simulation component 4 includes carrying belt 41 and tensioning mounting structure,
The jaw D that the carrying belt 41 is used to carry ultrasound knife cutter head clamps and bears the ultrasonic wave of percussion, and tensioning mounting structure is for opening
The carrying belt 41 is simultaneously mounted in jaw D by tight carrying belt 41.
In some embodiments, referring to Fig. 3 to Fig. 5, being tensioned mounting structure includes driving wheel 42, driven wheel 43 and actuator
44, carrying belt 41 is stretched between driving wheel 42 and driven wheel 43, and actuator 44 is for driving driving wheel 42 to rotate, in practical reality
During applying, which can be stepper motor, can make trigger B triggering jaw D closure by setting the stepper motor
When, carrying belt 41 remains static, and after the completion of firing, then driving wheel 42 is driven to rotate.
In some embodiments, referring to fig. 2 to Fig. 5, it is arranged fluted 12 on test platform 1, driven wheel 43 and driving wheel
42 center is above test platform 1, and driven wheel 43 and driving wheel 42 are partially loaded in the groove 12.On the one hand, it is arranged
The groove 12 advantageously reduces the center of gravity of tensioning mounting structure, is conducive to the stability of structure, and on the other hand, which can also
The lubricating oil on tensioning mounting structure is collected, the cleaning for keeping test platform is conducive to.
In some embodiments, referring to Fig. 6, load simulation component 4 further includes flat for limiting 41 distance test of carrying belt
The height and position adjustment structure of the height and position of platform 1.Referring to Fig. 7, which can be bending member comprising fixed
Fixed part 451 on test platform 1 and the height limit portion 452 for limiting 41 height and position of carrying belt.
In some embodiments, many places station is provided on test platform 1, every place's station is correspondingly arranged one group of trigger movement
Component 3 can simultaneously test more cutter heads on ultrasound knife, respectively for example, Fig. 3 into Fig. 4, is provided with and tests everywhere
Station can be completed at the same time and test the cutter head of four ultrasound knifes, certainly, in the actual implementation process, can also only set
Set station at one.
In some embodiments, test station shares same group of positioning component and same group of load simulation component 4, In everywhere
, can also be with the corresponding one group of positioning component of every place's test station during actual implementation, test station shares one group of load mould everywhere
Quasi- component, also can be realized the unification of load.
The present invention also provides a kind of ultrasound knife cutter head test macros, referring to Fig. 8, comprising:
Any one of the above ultrasound knife cutter head endurance testing device；
Total control module is used to control the movement of the trigger action component and the percussion of ultrasound knife；And
Host computer is used for through its setting experimental condition of the total control module；
Wherein, the host computer is connect with the total control module, the total control module respectively with the ultrasound knife
Host is connected with trigger action component.
The ultrasound knife cutter head test macro, not only can control trigger movement can also control the percussion of ultrasound knife, more have
Conducive to unified test condition, the reliability of test result is improved.In the actual implementation process, if held in load simulation component
Units (such as: motor) can also then control the dynamic of the executive component in load simulation component by the ultrasound knife test macro
Make.
In some embodiments, dynamical element (such as cylinder) and load simulation group referring to Fig. 8, in trigger action component 3
Dynamical element (such as stepper motor) in part 4 can control start and stop and start and stop interval time by control system.For example, the control
May include motor driver, solenoid valve, relay module, total control module and host computer in system processed, the host computer and with
Total control module connection, total control module, motor driver, motor are sequentially connected, total control module, relay module, battery
Valve and cylinder are sequentially connected, host computer by interface be arranged state modulator total control module, total control module output level control after
Electrical appliance module and motor driver.Relay module drive magnetic valve controls the touching that cylinder pushes fixture simulation cutter head C trigger B
Hair, the host that relay can also simulate floor push signal control ultrasound knife by simulation floor push interface are exported；
Motor driver output motor driving signal, control stepper motor movement drive the movement of fictitious load.In actual implementation process
In, which can use USB5935 data collecting card.This setup can be arranged by host computer and be fired
Time, test number (TN), load simulation component 4 motion mode, be more advantageous to uniform tests condition.
In the present description unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.
In description of the invention, " one " of singular, "one" and " described/should " be also intended to include plural form, remove
Non- context is expressly noted that other mode.Term " composition " and/or " comprising " are also to be understood that, when using in this specification
When, determine the presence of the feature, integer, step, operation, component and/or component, but be not excluded for one or more other special
Sign, integer, step, operation, the presence or addition of component, component and/or group.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (10)
1. a kind of ultrasound knife cutter head endurance testing device characterized by comprising
Test platform,
Positioning component is used to the ultrasound knife equipped with cutter head to be tested being located in test platform；
Trigger action component is used for simulation and pulls the movement of trigger repeatedly to control the opening and closing of ultrasound knife jaw；
Load simulation component is used to simulate the tissue clamped by ultrasound knife jaw, and generates load；
Wherein, the positioning component, the trigger action component and the load simulation component are arranged at the test platform
On.
2. ultrasound knife cutter head endurance testing device according to claim 1, which is characterized in that positioning component packet described in every group
It includes blade to hold down assembly, the blade, which holds down assembly, includes:
Blade positioning seat is arranged on the test platform, and
Blade compressing member, the blade compressing member are used to ultrasound knife being pressed on the blade positioning seat.
3. ultrasound knife cutter head endurance testing device according to claim 2, it is characterised in that:
The surface of the blade positioning seat is provided with the matched depressed area of handle profile with ultrasound knife, and the blade compressing member is used
It is pressed in the depressed area in by the handle of ultrasound knife, the blade compressing member setting is on the blade positioning seat or described
On test platform.
4. ultrasound knife cutter head endurance testing device according to claim 2, it is characterised in that: the blade positioning seat and institute
The slide construction for being provided between test platform and sliding for the positioning seat along the test platform is stated, the blade positioning seat is logical
Sliding is crossed close to or far from trigger component.
5. ultrasound knife cutter head endurance testing device according to claim 1, which is characterized in that the trigger component includes:
Mounting base is arranged on the test platform；
Extensible member is mounted in the mounting base, and the trigger direction of action of the telescopic direction of the extensible member and ultrasound knife
Unanimously；And
Trigger member is arranged on the extensible member with extensible member movement, makes the trigger member by being resisted against on trigger
Realize the closure of ultrasound knife jaw.
6. ultrasound knife cutter head endurance testing device according to claim 5, which is characterized in that the load simulation component packet
It includes:
Carrying belt is used to carry the jaw clamping of ultrasound knife cutter head and bears the ultrasonic wave of percussion；And
It is tensioned mounting structure, is used to be tensioned carrying belt and the carrying belt is mounted in jaw.
7. ultrasound knife cutter head endurance testing device according to claim 6, it is characterised in that: the tensioning mounting structure packet
Driving wheel, driven wheel and actuator are included, the carrying belt is stretched between the driving wheel and the driven wheel, the actuator
For driving the driving wheel to rotate.
8. ultrasound knife cutter head endurance testing device according to claim 7, it is characterised in that: be arranged on the test platform
Fluted, the center of the driven wheel and the driving wheel is above the test platform, the driven wheel and the driving wheel
It is partially loaded in the groove.
9. ultrasound knife cutter head endurance testing device according to claim 1, it is characterised in that: be arranged on the test platform
Have one or more test stations, every place's test station be correspondingly arranged on one group described in trigger action component；
Wherein, everywhere the test station share same group described in load simulation component described in positioning component and same group,
Or
The corresponding one group of positioning component of every place's test station, everywhere the test station share one group described in load simulation component.
10. a kind of ultrasound knife cutter head test macro, which is characterized in that including；
Ultrasound knife cutter head endurance testing device according to any one of claims 1 to 9；Total control module is used to control institute
State the movement of trigger action component and the percussion of ultrasound knife；And
Host computer is used for through its setting experimental condition of the total control module；
Wherein, the host computer is connect with the total control module, the total control module host with the ultrasound knife respectively
It is connected with trigger action component.
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| CN201910921814.1A CN110530627A (en) | 2019-09-27 | 2019-09-27 | A kind of ultrasound knife cutter head endurance testing device and test macro |
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| CN201910921814.1A CN110530627A (en) | 2019-09-27 | 2019-09-27 | A kind of ultrasound knife cutter head endurance testing device and test macro |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268819A (en) * | 2020-10-13 | 2021-01-26 | 常州安康医疗器械有限公司 | Tool bit life testing device of ultrasonic knife |
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| CN112858067A (en) * | 2020-12-25 | 2021-05-28 | 湖南瀚德微创医疗科技有限公司 | Experiment frock of supersound sword gasket wear resistance evaluation and test |
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