CN106264675A - A kind of operating theater instruments and speed regulating method thereof - Google Patents
A kind of operating theater instruments and speed regulating method thereof Download PDFInfo
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- CN106264675A CN106264675A CN201610755631.3A CN201610755631A CN106264675A CN 106264675 A CN106264675 A CN 106264675A CN 201610755631 A CN201610755631 A CN 201610755631A CN 106264675 A CN106264675 A CN 106264675A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
- A61B17/3211—Surgical scalpels, knives; Accessories therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
- A61B17/32093—Incision instruments for skin incisions
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00017—Electrical control of surgical instruments
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00017—Electrical control of surgical instruments
- A61B2017/00137—Details of operation mode
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00743—Type of operation; Specification of treatment sites
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2217/00—General characteristics of surgical instruments
- A61B2217/002—Auxiliary appliance
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Abstract
The invention provides a kind of operating theater instruments and speed regulating method thereof, operating theater instruments includes: surgical knife head, Power Drive Unit, PTO and speed-regulating switch；Power Drive Unit is connected with surgical knife head, PTO respectively；Speed-regulating switch, including speed governing button and sliding rail, described speed governing button can slide on described sliding rail, described sliding rail correspondence at least three gear, and the power value of the required output of different gear correspondence PTO is different；At least three gear includes a zero-span, and when speed-regulating switch is positioned at zero-span, PTO stops power output；Speed-regulating switch from zero-span start along sliding rail carry out same direction slide time, by way of the corresponding respectively power value of each gear increase successively；It is provided with blade on surgical knife head, under the drive of Power Drive Unit, utilizes blade that tissue to be cut is cut.According to this programme, the safety of operation can be improved.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly to a kind of operating theater instruments and speed regulating method thereof.
Background technology
Along with the development of medical skill, increasing disease can be treated by operation.Along with surgical device
Increasing of tool function, Multifunction operating appliances the most gradually substitutes traditional operating theater instruments.
In existing operating theater instruments, by the way of motor drives scalpel, tissue in the patient can be cut
Cut.In operation process, medical personnel it needs to be determined that required motor speed, and motor is adjusted to corresponding motor speed it
After, the position of required cutting is cut.
But, when required motor speed is very fast, it is impossible to scalpel is directed at position to be cut, easily causes operation
Accident, the safety of impact operation.
Summary of the invention
Embodiments provide a kind of operating theater instruments and speed regulating method thereof, to improve the safety of operation.
First aspect, embodiments provides a kind of operating theater instruments, including: surgical knife head, Power Drive Unit,
PTO and speed-regulating switch；Wherein,
Described Power Drive Unit is connected with described surgical knife head；
One end that described PTO is not connected with described surgical knife head with described Power Drive Unit is connected；
Described PTO is connected with described speed-regulating switch；
Described speed-regulating switch, including speed governing button and sliding rail, described speed governing button can be slided on described sliding rail
Dynamic, described sliding rail correspondence at least three gear, the power of the required output of the corresponding described PTO of different gears
Value difference；Described at least three gear includes a zero-span, when described speed governing button is positioned at described zero-span, and described power
Output device stops power output；Described speed governing button starts to carry out same direction along described sliding rail from described zero-span
During slip, by way of the corresponding respectively power value of each gear increase successively；
Described PTO, for determining the current gear that described speed governing button is corresponding, and export with described currently
The power of the corresponding power value of gear；
Described Power Drive Unit, for driving described scalpel under the power drive that described PTO exports
Cutter head is rotated and moves back and forth；
Described surgical knife head, is provided with blade in the one end not being connected with described Power Drive Unit, at described power
Under the drive of driving means, utilize blade that tissue to be cut is cut.
Wherein,
Described at least three gear includes a maximum gear, and the described corresponding described PTO of maximum gear can be defeated
The maximum power value gone out；
Described speed governing button is when sliding to described maximum gear along described sliding rail from described zero-span, and corresponding is dynamic
Force value is linear with sliding distance.
Wherein, described speed-regulating switch farther includes: alignment circuit, processor and the first communication unit；Wherein,
Described processor is connected with described alignment circuit, described first communication unit respectively；
Described alignment circuit includes: slide rheostat and power supply；
Described speed governing button is connected with the sliding end of described slide rheostat, at described speed governing button along described sliding rail
When sliding, the resistance of described slide rheostat changes accordingly；
According to described current value, described processor, for monitoring the current value of described alignment circuit, determines that described power is defeated
Go out the power value of the required output of device, and the power value determined is sent to the output of described power by described first communication unit
Device.
Wherein, farther include: pressure switch；Wherein,
Described pressure switch is connected with described PTO；
Described pressure switch, acts on the pressure from the most with it for monitoring, when monitor act on from pressure the most with it from
When first force value rises to the second force value, send to described PTO and open notice；And for monitoring
Act on from pressure with it when described second force value drops to described first force value, send out to described PTO
Send closedown notice；
Described PTO, is further used for, when receiving the unlatching notice that described pressure switch sends, being used for
Perform the described current gear determining that described speed-regulating switch is corresponding, and export the dynamic of power value corresponding with described current gear
Power；When receiving the closedown notice that described pressure switch sends, stop power output.
Wherein, described pressure switch includes: pressure transducer, pedal, Flexible element and the second communication unit；Wherein,
It is connected by described Flexible element between described pressure transducer with described pedal；
Described pressure transducer is connected with described second communication unit；
By when the pressure in described pressure transducer direction on described pedal, described pedal acts on described bullet
On property unit, to utilize described Flexible element that described pressure transducer is carried out the effect of relevant pressure；
Described pressure transducer, acts on the pressure from it for performing described monitoring, acts on self when monitoring
On pressure when the first force value rises to the second force value, utilize described second communication unit to described PTO
Send and open notice；And for monitor act on from pressure drop to described first from described second force value
During force value, utilize described second communication unit to send to described PTO and close notice.
Wherein, farther include: protective cover；Wherein,
Described protective cover is the tubular structure that one end is closed, and is provided with opening, described operation on the sidewall of blind end
Jet blade is positioned at inside described protective cover；
Described surgical knife head is when moving back and forth, and described blade is big with the ultimate range of described protective cover blind end
Distance in described opening Yu described protective cover blind end；
Described surgical knife head, specifically for utilizing blade to cut the tissue entering described opening.
Wherein,
Described Power Drive Unit includes: line shaft, power transmission shaft, power gear, by powershift gear, two-way leading screw, slide block and
Stopping means；Wherein,
Described power gear is enclosed within described line shaft, and is fastenedly connected with described line shaft；
Described two-way leading screw is arranged in described power gear；
Described stress geared sleeve is on described power transmission shaft, and is fastenedly connected with described power transmission shaft；
Described power gear is meshed by powershift gear with described；
One end that described power transmission shaft is not provided with blade with described surgical knife head is connected；
Described stopping means is arranged on one end that described power transmission shaft is not connected with described surgical knife head；
Described slide block is connected with described line shaft, described stopping means respectively；
When described line shaft is rotated in the power drive of described PTO, drive described power teeth
Wheel and described two-way leading screw are rotated；Described power gear and drive described slide block to enter along the axis of described line shaft
Row moves back and forth；Described slide block drives described power transmission shaft to move back and forth when moving back and forth.
Second aspect, the embodiment of the present invention additionally provides a kind of based on the speed governing side of arbitrary described operating theater instruments in above-mentioned
Method, including:
Determine the target power value cut needed for tissue to be cut；
Determine speed-regulating switch and the target gear corresponding to described target power value；
The blade of surgical knife head is directed at tissue to be cut；
Start to slide along sliding rail from zero-span by speed-regulating switch, until speed-regulating switch slides into described target
Gear；
The current gear of PTO monitoring speed-regulating switch, in the sliding process of speed-regulating switch, power output dress
Put each gear according to speed-regulating switch process and carry out the output of corresponding power value, until speed-regulating switch stops at described target shift
During position, export and the described corresponding power of target power value；
Power Drive Unit, under the power drive that PTO exports, drives surgical knife head to carry out corresponding speed
Rotary motion and reciprocating motion, to utilize blade that described tissue to be cut is cut.
Wherein,
Farther including: carry out pressure effect in pressure switch, pressure switch monitors the pressure acted on from it
When the first force value rises to the second force value, send to PTO and open notice；
Before the current gear of described monitoring speed-regulating switch, farther include: PTO receives described pressure
The unlatching notice that switch sends, and perform the current gear of described monitoring speed-regulating switch.
Wherein, the described blade by surgical knife head is directed at tissue to be cut, including: described tissue to be cut is placed into
In the opening of protective cover.
Embodiments providing a kind of operating theater instruments and speed regulating method thereof, the speed-regulating switch in operating theater instruments can wrap
Include speed governing button and sliding rail, when using this operating theater instruments to be operated, need speed governing button along sliding rail
Start to be adjusted to required gear from zero-span, and before using speed governing button speed governing, blade can be directed to be cut
Tissue, when gear is gradually increased to required gear, the power value of PTO output is gradually increased to required from zero
The power value that gear is corresponding, the reciprocating motion of surgical knife head and the speed of rotary motion are also gradually increased, due to speed be by
Cumulative big, relative to speed needed for directly providing in prior art, medical personnel can operation apparatus more stably, from
And surgical knife head can be directed at tissue to be cut, improve the safety of operation.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to
These accompanying drawings obtain other accompanying drawing.
Fig. 1 is a kind of operating theater instruments structure chart that one embodiment of the invention provides；
Fig. 2 is a kind of speed-regulating switch structure chart that one embodiment of the invention provides；
Fig. 3 is the another kind of operating theater instruments structure chart that one embodiment of the invention provides；
Fig. 4 is a kind of pressure switch construction figure that one embodiment of the invention provides；
Fig. 5 is another operating theater instruments structure chart that one embodiment of the invention provides；
Fig. 6 is a kind of Power Drive Unit structure chart that one embodiment of the invention provides；
Fig. 7 is a kind of speed regulating method flow chart that one embodiment of the invention provides.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention rather than whole embodiments, based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained on the premise of not making creative work, broadly falls into the scope of protection of the invention.
Refer to Fig. 1, embodiments provide a kind of operating theater instruments, this operating theater instruments may include that scalpel cutter
1, Power Drive Unit 2, PTO 3 and speed-regulating switch 4；Wherein,
Described Power Drive Unit 2 is connected with described surgical knife head 1；
One end phase that described PTO 3 is not connected with described surgical knife head 1 with described Power Drive Unit 2
Even；
Described PTO 3 is connected with described speed-regulating switch 4；
Described speed-regulating switch 4, including speed governing button and sliding rail, described speed governing button can be slided on described sliding rail
Dynamic, described sliding rail correspondence at least three gear, the power of the corresponding described required output of PTO 3 of different gears
Value difference；Described at least three gear includes a zero-span, when described speed governing button is positioned at described zero-span, and described power
Output device 3 stops power output；Described speed governing button starts to carry out same side along described sliding rail from described zero-span
In time sliding, by way of the corresponding respectively power value of each gear increase successively；
Described PTO 3, for determining the current gear that described speed governing button is corresponding, and export with described currently
The power of the corresponding power value of gear；
Described Power Drive Unit 2, for driving described operation under the power drive of described PTO 3 output
Jet blade 1 is rotated and moves back and forth；
Described surgical knife head 1, is provided with blade in the one end not being connected with described Power Drive Unit 2, described dynamic
Under the drive of force driving device 2, utilize blade that tissue to be cut is cut.
According to the invention described above embodiment, the speed-regulating switch in operating theater instruments can include speed governing button and sliding rail,
When using this operating theater instruments to be operated, need to start to be adjusted to required by speed governing button from zero-span along sliding rail
Gear, and using before speed governing button speed governing, blade can be directed at tissue to be cut, be gradually increased to institute at gear
During the gear needed, the power value of PTO output is gradually increased to the power value that required gear is corresponding, scalpel from zero
The reciprocating motion of cutter head and the speed of rotary motion are also gradually increased, owing to speed is gradually increased, relative to prior art
In required speed is directly provided, medical personnel can operation apparatus more stably, such that it is able to surgical knife head is directed at
Tissue to be cut, improves the safety of operation.
Wherein, this zero-span is positioned at one end of sliding rail, and the other end of this sliding rail is high tap position.With this at least
Three gears illustrate as a example by including three gears, and wherein, these three gears may include that zero-span, intervening gears and
High tap position.Wherein, power value corresponding to zero-span is 0r/min, and the power value that intervening gears is corresponding is 3000r/min, the most high-grade
The power value of position correspondence is 6000r/min.
When speed-regulating switch is positioned at zero-span, now operating theater instruments is in off working state, and PTO does not exports
Power.When speed-regulating switch slides along sliding rail to the other end, first sliding into intervening gears, PTO is at prison
Measuring speed-regulating switch when being positioned at intervening gears, output power value is the power of 3000r/min.Slip is continued at speed-regulating switch
Track, when the other end slides, then may slide into high tap position, and PTO is positioned at monitoring speed-regulating switch
During high tap position, output power value is the power of 6000r/min.
In an embodiment of the invention, the mode of the current gear of this PTO monitoring speed-regulating switch, at least
Can be realized by following a kind of mode:
Speed-regulating switch can include single pole multiple throw, parallel circuit, processing means and communicator；Wherein, this parallel connection
Circuit can include multiple electronic circuit in parallel, and each electronic circuit in parallel includes at least one resistance being cascaded, each
The resistance of electronic circuit in parallel differs, and one end of this parallel circuit is supply voltage, other end ground connection；Wherein, this hilted broadsword is thrown more
The switch number that switch includes is identical with the number of electronic circuit in parallel, and each switch lays respectively at each electronic circuit in parallel corresponding
In；A switch in each gear correspondence single pole multiple throw, speed-regulating switch when corresponding current gear, this current gear
Corresponding switch Guan Bi, other switch off；When the switch Guan Bi that current gear is corresponding, the electric current in this parallel circuit is electricity
Source voltage answers the resistance value of electronic circuit in parallel divided by this switch closed pair；Processing means is for monitoring the electric current of this parallel circuit
Value, and current value is sent to PTO by communicator.Wherein, the corresponding different power of different current values
Value.
In an embodiment of the invention, it is also possible to the precision of PTO output power value is defined, institute
State at least three gear and include that a maximum gear, the described corresponding exportable maximum of described PTO of maximum gear move
Force value；
Described speed governing button is when sliding to described maximum gear along described sliding rail from described zero-span, and corresponding is dynamic
Force value is linear with sliding distance.
With maximum power value corresponding to maximum gear as 8000r/min, the power value of PTO output is driven
The rotating speed of surgical knife head, increase as a example by unit is 1r, sliding along sliding rail to maximum gear from zero-span at speed-regulating switch
Time dynamic, along with the increase of sliding distance, the power value of PTO output from 0r/min to 8000r/min uphill process institute
Each power value of experience is respectively 1r/min, 2r/min, 3r/min ..., 7999r/min.
Aforesaid way can ensure that the power value that PTO exports is more accurate.
In an embodiment of the invention, in order to realize the precision of above-mentioned power value, at least can come in the following way
Realize: refer to Fig. 2, this speed-regulating switch 4 is possible not only to include: speed governing button 51 and sliding rail 52, may further include:
Alignment circuit 53, processor 54 and the first communication unit 55；Wherein,
Described processor is connected with described alignment circuit, described first communication unit respectively；
Described alignment circuit includes: slide rheostat and power supply；
Described speed governing button is connected with the sliding end of described slide rheostat, at described speed governing button along described sliding rail
When sliding, the resistance of described slide rheostat changes accordingly；
According to described current value, described processor, for monitoring the current value of described alignment circuit, determines that described power is defeated
Go out the power value of the required output of device, and the power value determined is sent to the output of described power by described first communication unit
Device.
Wherein, this first communication unit may include that general packet radio service technology (General Packet Radio
Service, GPRS) module, SMS module, global system for mobile communications (Global System for Mobile
Communication, GSM), 3G, 4G, in bluetooth and WiFi module at least one.
In an embodiment of the invention, if medical personnel carry out maloperation to speed-regulating switch, easily cause safe thing
Therefore, therefore, for the maloperation preventing the switch from causing, this operating theater instruments can include a control in addition to speed-regulating switch
System switch, only when this control switch open, speed-regulating switch, in the enterprising line slip of sliding rail, just can realize power defeated
Going out the control of device output different dynamic value, when this control switch cuts out, no matter how speed-regulating switch is slided on sliding rail
Dynamic, this operating theater instruments is still in off working state.
In order to ensure that two states switched still exist maloperation situation, refer to Fig. 3, this control switch can be pressure
Power switch 5；Wherein,
Described pressure switch 5 is connected with described PTO 3；
Described pressure switch 5, acts on the pressure from the most with it for monitoring, when monitor act on from pressure the most with it from
When first force value rises to the second force value, send to described PTO 3 and open notice；And for monitoring
Act on from pressure with it when described second force value drops to described first force value, to described PTO 3
Send and close notice；
Described PTO 3, is further used for, when receiving the unlatching notice that described pressure switch 5 sends, using
In performing the described current gear determining described speed-regulating switch 4 correspondence, and export power value corresponding with described current gear
Power；When receiving the closedown notice that described pressure switch 5 sends, stop power output.
Wherein, this first force value and the second force value can set according to user's request, such as, and this first force value
Can be 0, this second force value can be the arbitrary value more than 0, such as, acts on from including with it when pressure switch monitors
During pressure, then show that acting on the pressure from it rises to the second magnitude of voltage from the first magnitude of voltage.
For another example, this first force value is certain scope, and such as, [0,5N], this second force value is (5N, Fn), wherein, Fn
The maximum pressure value that can bear for pressure switch.In this case, only big when the pressure acted in pressure switch
In 5N when, just can send to PTO and open notice, such that it is able to improve the safety of operation further.
In an embodiment of the invention, in order to improve the convenience of surgical instrument operation, this pressure switch can be arranged
Foot-operated form, refer to Fig. 4, and this pressure switch 5 may include that pressure transducer 51, pedal 52, Flexible element 53 and the
Two communication units 54；Wherein,
It is connected by described Flexible element between described pressure transducer with described pedal；
Described pressure transducer is connected with described second communication unit；
By when the pressure in described pressure transducer direction on described pedal, described pedal acts on described bullet
On property unit, to utilize described Flexible element that described pressure transducer is carried out the effect of relevant pressure；
Described pressure transducer, acts on the pressure from it for performing described monitoring, acts on self when monitoring
On pressure when the first force value rises to the second force value, utilize described second communication unit to described PTO
Send and open notice；And for monitor act on from pressure drop to described first from described second force value
During force value, utilize described second communication unit to send to described PTO and close notice.
Wherein, this Flexible element can be at least spring or rubber.
Wherein, this second communication unit may include that general GPRS module, SMS module, gsm module, 3G, 4G, bluetooth
With in WiFi module at least one.
Owing to operation process cuts for non-normal tissue in the patient often, such as, tumor, if surgical device
After tool extend in the patient, owing to surgical knife head can quickly be rotated under the drive of Power Drive Unit
And reciprocating motion, the normal structure of patient may be cut by mistake, thus cause accident surgery.Therefore, the present invention one
In embodiment, in order to improve the safety of operation process further, refer to Fig. 5, this operating theater instruments may further include: protects
Guard shield 6；Wherein,
Described protective cover is the tubular structure that one end is closed, and is provided with opening, described operation on the sidewall of blind end
Jet blade is positioned at inside described protective cover；
Described surgical knife head is when moving back and forth, and described blade is big with the ultimate range of described protective cover blind end
Distance in described opening Yu described protective cover blind end；
Described surgical knife head, specifically for utilizing blade to cut the tissue entering described opening.
Owing to one end of protective cover is close, and the material only entering into opening just can be cut, therefore, is carrying out
During operation technique, can tissue to be cut be put in opening, surgical knife head when being rotated and move back and forth,
The tissue to be cut entering into opening can be cut, and prevent by mistake cutting patient's normal structure, such that it is able to improve
The safety of operation technique.
Further, owing to surgical knife head is positioned at inside protective cover, therefore, in order to ensure that surgical knife head can protected
It is rotated inside guard shield and moves back and forth, needing to ensure there is certain gap between surgical knife head and protective cover.I.e.
Need the diameter internal diameter less than protective cover of surgical knife head, such as, between internal diameter and the diameter of surgical knife head of protective cover
Difference can be 0.1mm-0.4mm.
In an embodiment of the invention, in order to realize Power Drive Unit drive surgical knife head move back and forth and
Rotary motion, refer to Fig. 6, and this Power Drive Unit 2 may include that line shaft 21, power transmission shaft 22, power gear 23, stress
Gear 24, two-way leading screw 25, slide block 26 and stopping means 27；Wherein,
Described power gear 23 is enclosed within described line shaft 21, and is fastenedly connected with described line shaft 21；
Described two-way leading screw 25 is arranged in described power gear 23；
Described it is enclosed within described power transmission shaft 22 by powershift gear 24, and is fastenedly connected with described power transmission shaft 22；
Described power gear 23 is meshed by powershift gear 24 with described；
One end that described power transmission shaft 22 is not provided with blade with described surgical knife head 1 is connected；
Described stopping means 27 is arranged on one end that described power transmission shaft 22 is not connected with described surgical knife head 1；
Described slide block 26 is connected with described line shaft 21, described stopping means 27 respectively；
When described line shaft 21 is rotated in the power drive of described PTO 4, drive described dynamic
Powershift gear 23 and described two-way leading screw 25 are rotated；Described power gear 23 and drive described slide block 26 along described dynamic
The axis of power axle 21 moves back and forth；Described slide block 26 drives described power transmission shaft 22 back and forth to transport when moving back and forth
Dynamic.
Refer to Fig. 7, the embodiment of the present invention additionally provides a kind of based on the tune of operating theater instruments described in any of the above-described embodiment
Speed method, the method may comprise steps of:
Step 701: determine the target power value cut needed for tissue to be cut.
Such as, this to be cut is organized as tumor.
In an embodiment of the invention, required during cutting power value can be according to the hardness of tissue to be cut, stickiness
Determining with at least one index in density, such as, this target power value is 6000r/min.
Step 702: determine speed-regulating switch and the target gear corresponding to described target power value.
As a example by corresponding three gears of speed-regulating switch, these three gears are respectively zero-span, intervening gears and high tap position.
Wherein, the power value that intervening gears is corresponding is 3000r/min, and the power value that high tap position is corresponding is 6000r/min, then permissible
Determine that target gear is for high tap position.
Step 703: the blade of surgical knife head is directed at tissue to be cut.
If this tissue to be cut is positioned at inside of human body, then an osculum can be opened to internal patient is external, will operation
Surgical knife head included by apparatus extend into internal, and is stretched into by chamber mirror and extend into from this osculum internal, is looked for by chamber mirror
To tissue to be cut, and the blade of surgical knife head is directed at this tissue to be cut.
Step 704: start to slide along sliding rail from zero-span by speed-regulating switch, until sliding into speed-regulating switch
Described target gear.
When starting operating theater instruments, speed-regulating switch from the beginning of zero-span, is first slided into intervening gears, so by medical personnel
After sliding into high tap position.
Step 705: the current gear of PTO monitoring speed-regulating switch, in the sliding process of speed-regulating switch, dynamic
Power output device carries out the output of corresponding power value according to each gear of speed-regulating switch process, until speed-regulating switch stops at institute
When stating target gear, export and the described corresponding power of target power value.
In the sliding process of speed-regulating switch, the current gear of PTO monitoring speed-regulating switch, monitoring tune
Speed switch is when zero-span slides into intervening gears, and output power value rises to 3000r/min from 0；Monitoring speed-regulating switch
From intervening gears slide into high tap position time, output power value rise to 6000r/min from 3000r/min.
Step 706: Power Drive Unit, under the power drive that PTO exports, drives surgical knife head to carry out
The rotary motion of corresponding speed and reciprocating motion, to utilize blade to cut described tissue to be cut.
In this process, first the rotating speed that surgical knife head is rotated rises to 3000r/min from 0, then by
3000r/min rises to 6000r/min.Under this rotating speed, can be full-cutting to tissue to be cut, the edge of a knife meeting of cutting
The most smooth, residue will not be left.
In an embodiment of the invention, in order to ensure the safety of operation technique, before step 704, one can be entered
Step includes: medical personnel carry out pressure effect in pressure switch, and pressure switch monitors and acts on from pressure the most with it from the
When one force value rises to the second force value, send to PTO and open notice；PTO receives described pressure
The unlatching notice that power switch sends, and perform the current gear of described monitoring speed-regulating switch.
In an embodiment of the invention, owing to surgical knife head extend into inside of human body, and surgical knife head needs
Move back and forth and rotary motion, to realize the cutting to tissue to be cut, in order to ensure that surgical knife head is not to human body
Normal structure is damaged, and the described blade by surgical knife head is directed at tissue to be cut, may include that by chamber mirror, permissible
Described tissue to be cut is placed in the opening of protective cover.
In sum, each embodiment of the present invention has the advantages that
1, in embodiments of the present invention, the speed-regulating switch in operating theater instruments can include speed governing button and sliding rail,
When using this operating theater instruments to be operated, need to start to be adjusted to required by speed governing button from zero-span along sliding rail
Gear, and before using speed governing button speed governing, blade can be directed at tissue to be cut, it is gradually increased to required at gear
Gear time, PTO output power value be gradually increased to the power value that required gear is corresponding, scalpel cutter from zero
The reciprocating motion of head and the speed of rotary motion are also gradually increased, owing to speed is gradually increased, relative in prior art
Required speed is directly provided, medical personnel can operation apparatus more stably, such that it is able to surgical knife head alignment is treated
Cutting tissue, improves the safety of operation.
2, in embodiments of the present invention, when speed-regulating switch slides to maximum gear along sliding rail from zero-span so that
Corresponding power value is linear with sliding distance, it is ensured that the power value precision of output is higher.
3, in embodiments of the present invention, by increasing pressure switch in operating theater instruments, using this pressure switch as operation
The control switch of apparatus, only after this pressure switch is opened, speed-regulating switch exports at the enterprising line slip of sliding rail, power
Device just can export corresponding power value, by this dual-switch, is possible to prevent the generation of maloperation situation, such that it is able to improve hands
The safety of art process.
4, in an embodiment of the invention, by increasing protective cover in operating theater instruments, surgical knife head is arranged on
Inside protective cover, on the sidewall of blind end, it is provided with opening at protective cover, when operation technique, by by tissue to be cut
Place in the opening, to realize the cutting to tissue to be cut, such that it is able to prevent cutting human normal tissue by mistake, improve hands
The safety of art process.
The contents such as the information between each unit in said apparatus is mutual, execution process, owing to implementing with the inventive method
Example is based on same design, and particular content can be found in the narration in the inventive method embodiment, and here is omitted.
It should be noted that in this article, the relational terms of such as first and second etc is used merely to an entity
Or operation separates with another entity or operating space, and not necessarily require or imply existence between these entities or operation
The relation of any this reality or order.And, term " includes ", " comprising " or its any other variant are intended to non-
Comprising of exclusiveness, so that include that the process of a series of key element, method, article or equipment not only include those key elements,
But also include other key elements being not expressly set out, or also include being consolidated by this process, method, article or equipment
Some key elements.In the case of there is no more restriction, statement the key element " including " and limiting, do not arrange
Except there is also other same factor in including the process of described key element, method, article or equipment.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can be passed through
The hardware that programmed instruction is relevant completes, and aforesaid program can be stored in the storage medium of embodied on computer readable, this program
Upon execution, perform to include the step of said method embodiment；And aforesaid storage medium includes: ROM, RAM, magnetic disc or light
In the various medium that can store program code such as dish.
Last it should be understood that the foregoing is only presently preferred embodiments of the present invention, it is merely to illustrate the skill of the present invention
Art scheme, is not intended to limit protection scope of the present invention.All made within the spirit and principles in the present invention any amendment,
Equivalent, improvement etc., be all contained in protection scope of the present invention.
Claims (10)
1. an operating theater instruments, it is characterised in that including: surgical knife head, Power Drive Unit, PTO and speed governing
Switch；Wherein,
Described Power Drive Unit is connected with described surgical knife head；
One end that described PTO is not connected with described surgical knife head with described Power Drive Unit is connected；
Described PTO is connected with described speed-regulating switch；
Described speed-regulating switch, including speed governing button and sliding rail, described speed governing button can slide on described sliding rail, institute
Stating sliding rail correspondence at least three gear, the power value of the required output of the corresponding described PTO of different gears is not
With；Described at least three gear includes a zero-span, and when described speed governing button is positioned at described zero-span, described power exports
Device stops power output；Described speed governing button starts to carry out the slip of same direction along described sliding rail from described zero-span
Time, by way of the corresponding respectively power value of each gear increase successively；
Described PTO, for determining the current gear that described speed governing button is corresponding, and exports and described current gear
The power of corresponding power value；
Described Power Drive Unit, for driving described surgical knife head under the power drive that described PTO exports
It is rotated and moves back and forth；
Described surgical knife head, is provided with blade in the one end not being connected with described Power Drive Unit, in described power drive
Under the drive of device, utilize blade that tissue to be cut is cut.
Operating theater instruments the most according to claim 1, it is characterised in that
Described at least three gear includes a maximum gear, and the described corresponding described PTO of maximum gear is exportable
Maximum power value；
Described speed governing button when sliding to described maximum gear along described sliding rail from described zero-span, corresponding power value
Linear with sliding distance.
Operating theater instruments the most according to claim 2, it is characterised in that described speed-regulating switch farther includes: alignment circuit,
Processor and the first communication unit；Wherein,
Described processor is connected with described alignment circuit, described first communication unit respectively；
Described alignment circuit includes: slide rheostat and power supply；
Described speed governing button is connected with the sliding end of described slide rheostat, carries out along described sliding rail at described speed governing button
During slip, the resistance of described slide rheostat changes accordingly；
Described processor, for monitoring the current value of described alignment circuit, determines described power output dress according to described current value
Put the power value of required output, and the power value determined is sent to described power output dress by described first communication unit
Put.
Operating theater instruments the most according to claim 1, it is characterised in that farther include: pressure switch；Wherein,
Described pressure switch is connected with described PTO；
Described pressure switch, acts on the pressure from it for monitoring, acts on from pressure with it from first when monitoring
When force value rises to the second force value, send to described PTO and open notice；And for monitoring effect
When pressure with oneself drops to described first force value from described second force value, send to described PTO and close
Close notice；
Described PTO, is further used for, when receiving the unlatching notice that described pressure switch sends, being used for performing
The described current gear determining that described speed-regulating switch is corresponding, and export the power of power value corresponding with described current gear；?
When receiving the closedown notice that described pressure switch sends, stop power output.
Operating theater instruments the most according to claim 4, it is characterised in that described pressure switch includes: pressure transducer, foot-operated
Plate, Flexible element and the second communication unit；Wherein,
It is connected by described Flexible element between described pressure transducer with described pedal；
Described pressure transducer is connected with described second communication unit；
By when the pressure in described pressure transducer direction on described pedal, described pedal acts on described elastic single
In unit, to utilize described Flexible element that described pressure transducer is carried out the effect of relevant pressure；
Described pressure transducer, acts on the pressure from it for performing described monitoring, acts on the most with it when monitoring
Pressure, when the first force value rises to the second force value, utilizes described second communication unit to send to described PTO
Open notice；And for monitor act on from pressure drop to described first pressure from described second force value
During value, utilize described second communication unit to send to described PTO and close notice.
6. according to described operating theater instruments arbitrary in claim 1-5, it is characterised in that farther include: protective cover；Wherein,
Described protective cover is the tubular structure that one end is closed, and is provided with opening, described scalpel cutter on the sidewall of blind end
Head is positioned at inside described protective cover；
Described surgical knife head is when moving back and forth, and described blade is more than institute with the ultimate range of described protective cover blind end
State the distance of opening and described protective cover blind end；
Described surgical knife head, specifically for utilizing blade to cut the tissue entering described opening.
7. according to described operating theater instruments arbitrary in claim 1-5, it is characterised in that
Described Power Drive Unit includes: line shaft, power transmission shaft, power gear, by powershift gear, two-way leading screw, slide block and spacing
Device；Wherein,
Described power gear is enclosed within described line shaft, and is fastenedly connected with described line shaft；
Described two-way leading screw is arranged in described power gear；
Described stress geared sleeve is on described power transmission shaft, and is fastenedly connected with described power transmission shaft；
Described power gear is meshed by powershift gear with described；
One end that described power transmission shaft is not provided with blade with described surgical knife head is connected；
Described stopping means is arranged on one end that described power transmission shaft is not connected with described surgical knife head；
Described slide block is connected with described line shaft, described stopping means respectively；
When described line shaft is rotated in the power drive of described PTO, drive described power gear and
Described two-way leading screw is rotated；Described power gear and drive described slide block to carry out past along the axis of described line shaft
Multiple motion；Described slide block drives described power transmission shaft to move back and forth when moving back and forth.
8. a speed regulating method based on described operating theater instruments arbitrary in the claims 1-7, it is characterised in that including:
Determine the target power value cut needed for tissue to be cut；
Determine speed-regulating switch and the target gear corresponding to described target power value；
The blade of surgical knife head is directed at tissue to be cut；
Start to slide along sliding rail from zero-span by speed-regulating switch, until speed-regulating switch slides into described target shift
Position；
The current gear of PTO monitoring speed-regulating switch, in the sliding process of speed-regulating switch, PTO root
Each gear according to speed-regulating switch process carries out the output of corresponding power value, until speed-regulating switch stops at described target gear
Time, export and the described corresponding power of target power value；
Power Drive Unit, under the power drive that PTO exports, drives surgical knife head to carry out the rotation of corresponding speed
Transhipment is dynamic and moves back and forth, to utilize blade to cut described tissue to be cut.
Speed regulating method the most according to claim 8, it is characterised in that
Farther including: carry out pressure effect in pressure switch, pressure switch monitors and acts on from pressure the most with it from the
When one force value rises to the second force value, send to PTO and open notice；
Before the current gear of described monitoring speed-regulating switch, farther include: PTO receives described pressure switch
The unlatching notice sent, and perform the current gear of described monitoring speed-regulating switch.
Speed regulating method the most according to claim 8 or claim 9, it is characterised in that described alignment by the blade of surgical knife head is treated
Cutting tissue, including: described tissue to be cut is placed in the opening of protective cover.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610755631.3A CN106264675A (en) | 2016-08-30 | 2016-08-30 | A kind of operating theater instruments and speed regulating method thereof |
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| CN201610755631.3A CN106264675A (en) | 2016-08-30 | 2016-08-30 | A kind of operating theater instruments and speed regulating method thereof |
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Effective date of registration: 20171215 Address after: Hangzhou City, Zhejiang province 310000 Binjiang District River Street foreshore road 688 6 Building 3 room 307 Applicant after: Hangzhou yingzi medical instrument limited company Address before: 215000, building No. 8, Jinfeng Road, high tech Zone, Jiangsu, Suzhou, China 2F Applicant before: Suzhou Pinnuo New Medical Technology Co., Ltd. |
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Application publication date: 20170104 |