CN109106501A - A kind of ophthalmologic operation ring cutting device with force sensing function - Google Patents
A kind of ophthalmologic operation ring cutting device with force sensing function Download PDFInfo
- Publication number
- CN109106501A CN109106501A CN201811170268.4A CN201811170268A CN109106501A CN 109106501 A CN109106501 A CN 109106501A CN 201811170268 A CN201811170268 A CN 201811170268A CN 109106501 A CN109106501 A CN 109106501A
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- China
- Prior art keywords
- ring cutting
- handle
- trepan
- sensing function
- adjusting gear
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/00736—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments
- A61F9/00763—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments with rotating or reciprocating cutting elements, e.g. concentric cutting needles
Abstract
The invention discloses a kind of ophthalmologic operation ring cutting device with force sensing function, is made of handle, six-dimension force sensor and trepan.Six-dimension force sensor both ends are connected respectively at trepan with handle by bindiny mechanism, can be with the size of real-time detection ring cutting power.Speed adjusting gear is installed on the outside of handle, speed adjusting gear is connect with linear potentiometer, is changed circuit voltage by the sliding of speed adjusting gear controlling potential device, is established the relationship between voltage and pulse, and then can control stepper motor revolving speed；Two chambers of handle inner are separately installed with shaft coupling and stepper motor, while stepper motor is connected by the encoder of shaft coupling and handle tip.Beneficial effects of the present invention are as follows: (1) during ring cutting can real-time detection ring cutting power size；(2) relationship between voltage and pulse is established, changes the revolving speed of trepan by the variation of speed adjusting gear voltage；(3) overall dimensions of the present invention are smaller, easy to operate, and in the course of surgery, doctor can be operated with hand-held apparatus.
Description
Technical field
The present invention relates to a kind of field of ophthalmological medical equipment, in particular to a kind of ophthalmologic operation ring with force sensing function
Cutting apparatus.
Background technique
Eyes are the important sense organs of human body, and 80% information of human brain is obtained by eyes, if eye is sent out
Raw disease will bring great inconvenience to the life of people, wherein disease of cornea and glaucoma are the higher ophthalmology diseases of disease incidence
Disease.For disease of cornea such as keratoconus, keratoleukoma, intractable keratitis, effect preferably carries out corneal transplantation, to replace
For the cornea of lesion；For glaucoma, effect preferably carries out sticking small Tuboplasty, to reduce intraocular pressure.
In these surgical procedures, ring cutting operation is an important operating procedure.The most common side of corneal graft
Method is that the hand-held trepan of oculist does periodic rotational movements and gradually presses down on, to cut off the cornea of lesion；Glutinous tubule at
The first step during shape art is that layer cuts sclera to find the position of glutinous tubule.But these operations are difficult to know ring cutting process
The size of middle power and speed is easy to run through ocular tissue, at the same time it is difficult to ensure the uniformity at ring cutting edge, influence subsequent operation and
Healing effect.Therefore so that oculist is obtained the size of operating force in real time in operation and is can control ring cutting speed is
Need urgent problem to be solved.
Summary of the invention
The purpose of the present invention is cutting the deficiency of sclera for existing corneal trephine and artificial layer, provide a kind of with power sense
Know the ophthalmologic operation ring cutting device of function.Six-dimension force sensor is installed between instrument end trepan and handle, can be examined in real time
Survey the variation of power during ring cutting.Speed adjusting gear is installed on the outside of handle, speed adjusting gear end is connected with linear potentiometer；Hand
Stepper motor is installed, stepper motor both ends are connect with external six-dimension force sensor with encoder respectively inside handle.Ophthalmology doctor
The raw speed adjusting gear that passes through is to adjust the sliding of linear potentiometer, to change both end voltage, voltage and umber of pulse are at certain ratio
Example relationship, and then change motor speed indirectly, while encoder can read the revolving speed of motor in real time, to reach control ring cutting speed degree
Purpose.
In order to achieve the above object, the invention provides the following technical scheme:
A kind of ophthalmologic operation ring cutting device with force sensing function, by handle, force snesor and trepan three
It is grouped as.Six-dimension force sensor both ends are connected respectively at trepan with handle by bindiny mechanism, can be with real-time detection ring cutting power
Size.Speed adjusting gear is installed on the outside of handle, speed adjusting gear is connect with linear potentiometer, passes through speed adjusting gear controlling potential device
Sliding changes circuit voltage, establishes the relationship between voltage and pulse, and then can control stepper motor revolving speed；Handle inner
Two chambers are separately installed with shaft coupling and stepper motor, while stepper motor is connected by the encoder of shaft coupling and handle tip.
Further, it is connected between trepan and six-dimension force sensor by cup-shaped connecting member, trepan is nested in cup type connection
In the rim of a cup of part, rim of a cup both ends have jackscrew to fasten trepan, prevent from sliding.
Further, it is connected between six-dimension force sensor and handle by umbrella shape connector, connector top and power sense
Device diameter is identical, and connector end is connected by the shaft coupling of handle inner with stepper motor.
Further, handle uses cylindrical design structure, is made of handle cover and handle main body two parts, leads between the two
Cross screw connection.
Further, handle cover is the controlling position of trepan, and outside is equipped with speed adjusting gear, and end is connected with straight line current potential
Device, speed adjusting gear use the motion mode of slider-crank mechanism, and when hand presses crank linear potentiometer edge can set about
Arbor is to up and down motion, to control the sliding of linear potentiometer.
Further, the sliding for adjusting linear potentiometer can control the voltage at both ends, acquire electricity by data collecting card
Information is pressed, and establishes the relationship between voltage and stepper motor umber of pulse.
Preferably, servo motor can be selected in motor, passes through the revolving speed of the change control servo motor of voltage.
It further, is cavity structure inside handle main body, cavity is divided into two parts by middle splint, and ante-chamber is equipped with connection
Axis device, back cavity are equipped with stepper motor, and middle splint plays the role of fixed stepper motor simultaneously.
Further, handle main body front end is equipped with miniature bearing, supports the rotation of umbrella shape connector, rear end is equipped with volume
Code device, reads the variation of revolving speed in real time.
Further, trepan is divided into annular bit and arc drill, can be replaced according to different type of surgery.
Further, trepan is there are two types of motor pattern, single direction rotation and is alternately rotated, and being alternately rotated angle is 60 °, two kinds
It is switched between mode by the switching push button of handle middle section.
Preferably, being alternately rotated angle can be adjusted by control panel.
The beneficial effects of the present invention are:
The present invention can during ring cutting real-time detection ring cutting power size, doctor can according to the size of ring cutting power come
Control the pressing force in operative process.
The present invention changes its both end voltage by adjusting the sliding of linear potentiometer, establishes the pass between voltage and pulse
System, and then motor speed change can be controlled by the variation of voltage.
Grip size of the present invention is smaller, easy to operate, and in the course of surgery, doctor can carry out operation behaviour with hand-held apparatus
Make.
Detailed description of the invention
The general structure schematic diagram of Fig. 1 trepan device of the present invention
Fig. 2 handle inner structural schematic diagram of the present invention
Position of the switch schematic diagram is adjusted the speed under Fig. 3 trepan movement of the present invention and halted state
Two kinds of motor patterns of Fig. 4 trepan device of the present invention
Fig. 5 arc drill structural schematic diagram of the present invention
Specific embodiment
Below in conjunction with attached drawing, the present invention is described in detail.
A kind of ophthalmologic operation ring cutting device with force sensing function, Fig. 1 and Fig. 2 are respectively corneal ring cutting machine of the present invention
General structure schematic diagram and handle inner structural schematic diagram, comprising: handle (1), encoder (2), linear potentiometer (3), adjust
Fast mechanism (4), six-dimension force sensor (5), cup-shaped connecting member (6), trepan (7), umbrella shape connector (8), shaft coupling I (9), stepping
Motor (10), shaft coupling II (11), mode selector switch (12).
As shown in Figure 1, it is equipped with speed adjusting gear (4) on the outside of handle (1), end is connected with linear potentiometer (3), governor
Structure (4) uses the motion mode of slider-crank mechanism, linear potentiometer (3) can be made along Handle axis when hand presses crank
To up and down motion, to control the sliding of linear potentiometer (4).
Linear potentiometer (3) is connect with external circuit, and the sliding for adjusting linear potentiometer (3) can change its both ends electricity
Pressure, by data collecting card acquire both end voltage information, and establish voltage and pulse it is how many between relationship, pass through the big of voltage
The speed of small control stepper motor (10) revolving speed.
Six-dimension force sensor (5) lower part is connected by cup-shaped connecting member (6) with trepan (7), and top passes through umbrella shape connector
(8) it is connected with handle (1), this structure can measure the size of ring cutting power during ring cutting.
As shown in Figure 2, handle (1) is divided into two spaces cavity by middle splint, and ante-chamber is equipped with shaft coupling I (9), back cavity
It is equipped with stepper motor (10), stepper motor (10) is fixed in middle splint, while passing through shaft coupling II (11) and handle (1)
The encoder (2) of rear end connects, can be with real-time detection stepper motor (10) revolving speed.
As shown in Figure 3, as speed adjusting gear (4) Fig. 3 (a) in the raw, the sliding block of linear potentiometer (2) is in most
Lower end, both ends do not have voltage at this time, and trepan remains static；When pressing down on speed adjusting gear (4), linear potentiometer (2)
Sliding block move upwards, trepan setting in motion Fig. 3 (b), and moving upwards with linear potentiometer (2) sliding block, trepan turns
Speed is gradually accelerated；When linear potentiometer (2) is slid onto top Fig. 3 (c), trepan revolving speed reaches maximum value.
As shown in Figure 4, trepan is there are two types of motor pattern, single direction rotation Fig. 4 (a) and is alternately rotated Fig. 4 (b), passes through handle
The mode selector switch (12) of middle section can carry out the switching between both of which.
As shown in Figure 5, arc drill is different from annular bit, and structure is to form by the blade of certain radian, in combination with
Different ophthalmologic surgical procedures may be implemented in two kinds of motor patterns.
The present invention is not limited to the details of above-mentioned exemplary embodiment, and without departing substantially from essential characteristic of the present invention,
The present invention can be realized in other specific forms, should all regard the present invention as exemplary.The scope of the invention is by appended power
Benefit requires to limit, it is intended that covering all changes in the meaning and scope for the condition of equivalent for falling in claim in this hair
In bright, appended drawing reference any in claim should not be construed as limiting the claims involved.Meanwhile above-mentioned specific embodiment party
Only for clarity, specification should be considered as entirety to formula by those skilled in the art, and the step in above-mentioned implementation method can be appropriate
Combination changes, but without departing from general principles and feature, is formed the skilled addressee will appreciate that other embodiments.
Claims (8)
1. a kind of ophthalmologic operation ring cutting device with force sensing function, comprising: handle (1), encoder (2), linear potentiometer
(3), speed adjusting gear (4), six-dimension force sensor (5), cup-shaped connecting member (6), trepan (7), umbrella shape connector (8), shaft coupling I
(9), stepper motor (10), shaft coupling II (11), mode switch button (12).Pass through the speed adjusting gear installed on the outside of handle (1)
(4) the ring cutting speed that can control trepan (7), can carry out single direction rotation by mode selector switch (12) and be alternately rotated two kinds
The switching of mode, while being equipped with six-dimension force sensor between trepan (7) and handle (1), can real-time detection in ring cutting mistake
Ring cutting power size in journey.
2. a kind of ophthalmologic operation ring cutting device with force sensing function according to claim 1, it is characterised in that: handle
(1) outside is equipped with speed adjusting gear (4), and end is connected with linear potentiometer (3), and speed adjusting gear (4) uses slider-crank mechanism
Motion mode, when hand press crank when can make linear potentiometer (3) along Handle axis to up and down motion, to control straight line
The sliding of potentiometer (4).
3. a kind of ophthalmologic operation ring cutting device with force sensing function according to claim 1, it is characterised in that: straight line
Potentiometer (3) is connect with external circuit, and the sliding for adjusting linear potentiometer (3) can change its both end voltage, is adopted by data
Truck acquires both end voltage information, and establish voltage and pulse it is how many between relationship, stepping electricity is controlled by the size of voltage
The speed of machine (10) revolving speed.
4. a kind of ophthalmologic operation ring cutting device with force sensing function according to claim 1, it is characterised in that: handle
(1) internal to be divided into two spaces cavity, ante-chamber is equipped with shaft coupling I (9), and back cavity is equipped with stepper motor (10), stepper motor
(10) it is fixed in middle splint, while being connect by shaft coupling II (11) with the encoder (2) of handle (1) rear end, Ke Yishi
When detect stepper motor (10) revolving speed.
5. a kind of ophthalmologic operation ring cutting device with force sensing function according to claim 1, it is characterised in that: sextuple
Force snesor (5) lower part is connected by cup-shaped connecting member (6) with trepan (7), and top passes through umbrella shape connector (8) and handle (1)
Be connected, can during real-time measurement ring cutting ring cutting power size.
6. a kind of ophthalmologic operation ring cutting device with force sensing function according to claim 1, it is characterised in that: work as tune
Fast mechanism (4) in the raw when, the sliding block of linear potentiometer (2) is in bottom, and both ends do not have voltage at this time, at trepan
In stationary state, when pressing down on speed adjusting gear (4), the sliding block of linear potentiometer (2) is moved upwards, trepan setting in motion,
And with moving upwards for linear potentiometer (2) sliding block, trepan revolving speed is gradually accelerated.
7. a kind of ophthalmologic operation ring cutting device with force sensing function according to claim 1, it is characterised in that: trepan
(7) setting is there are two types of motor pattern: single direction rotation and being alternately rotated.The switching of both of which is the mould by handle (1) above
Formula switching switch (12) switches over.
8. a kind of ophthalmologic operation ring cutting device with force sensing function according to claim 1, it is characterised in that: trepan
(7) it is divided into annular bit and arc drill.Arc drill structure is to form by the blade of certain radian, in combination with two kinds of motor patterns
Different ophthalmologic surgical procedures may be implemented.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811170268.4A CN109106501B (en) | 2018-10-09 | 2018-10-09 | Ophthalmic surgery circular cutting device with force sensing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811170268.4A CN109106501B (en) | 2018-10-09 | 2018-10-09 | Ophthalmic surgery circular cutting device with force sensing function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109106501A true CN109106501A (en) | 2019-01-01 |
| CN109106501B CN109106501B (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811170268.4A Active CN109106501B (en) | 2018-10-09 | 2018-10-09 | Ophthalmic surgery circular cutting device with force sensing function |
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| Country | Link |
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| CN (1) | CN109106501B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111821096A (en) * | 2020-07-30 | 2020-10-27 | 吉林省中医药科学院（吉林省中医药科学院第一临床医院） | Ophthalmic surgery circular cutting device with force sensing and reading functions |
| CN114680442A (en) * | 2022-05-16 | 2022-07-01 | 宁波金佰亿工艺制品有限公司 | Electric nail grinding device |
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| CN103584948A (en) * | 2008-05-15 | 2014-02-19 | 脉诺斯细胞器械公司 | Ophthalmic surgical device for capsulotomy |
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| CN103584948A (en) * | 2008-05-15 | 2014-02-19 | 脉诺斯细胞器械公司 | Ophthalmic surgical device for capsulotomy |
| CN102836032A (en) * | 2012-08-31 | 2012-12-26 | 北京大学第三医院 | Corneal trephine |
| CN107205847A (en) * | 2015-01-28 | 2017-09-26 | 诺华股份有限公司 | Surgical handpiece with integrated pressure sensor |
| US20170156928A1 (en) * | 2015-08-11 | 2017-06-08 | The Johns Hopkins University | Tool and tool system having independent axial and transverse force sensing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111821096A (en) * | 2020-07-30 | 2020-10-27 | 吉林省中医药科学院（吉林省中医药科学院第一临床医院） | Ophthalmic surgery circular cutting device with force sensing and reading functions |
| CN114680442A (en) * | 2022-05-16 | 2022-07-01 | 宁波金佰亿工艺制品有限公司 | Electric nail grinding device |
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| Publication number | Publication date |
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| CN109106501B (en) | 2020-10-27 |
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