CN110403756A - A kind of ophthalmology micro-surgical instrument and its operating method - Google Patents
A kind of ophthalmology micro-surgical instrument and its operating method Download PDFInfo
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- CN110403756A CN110403756A CN201910806961.4A CN201910806961A CN110403756A CN 110403756 A CN110403756 A CN 110403756A CN 201910806961 A CN201910806961 A CN 201910806961A CN 110403756 A CN110403756 A CN 110403756A
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- calvus
- block
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- group
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- 238000011017 operating method Methods 0.000 title claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 8
- 210000003811 finger Anatomy 0.000 claims description 21
- 238000003780 insertion Methods 0.000 claims description 21
- 230000037431 insertion Effects 0.000 claims description 21
- 210000003813 thumb Anatomy 0.000 claims description 10
- 230000007704 transition Effects 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 6
- 238000001356 surgical procedure Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000002406 microsurgery Methods 0.000 description 2
- 241000905957 Channa melasoma Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
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- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
- Surgical Instruments (AREA)
Abstract
Technical solution of the present invention discloses a kind of ophthalmology micro-surgical instrument and its operating method, including needle stand, cuff, connector and the handle being successively detachably connected；Needle stand is plugged with casing, and cuff is equipped with calvus group, the inner core with tweezers is equipped in casing, calvus group controls T-block movement, and T-block pushes pushing block mobile, and pushing block pushes sliding shoe mobile, casing and sliding shoe synchronizing moving, casing shrink tweezers in moving process, and tweezers clamp.The present invention avoids axially or radially unnecessary movement so that calvus uniform force is stablized when mediating by the way that 360 ° of calvus group is arranged on the circumferencial direction of cuff.Mediating calvus clamps inner core, unclamps calvus and inner core is loosened, to realize to operation portable operation.Handle is detachably installed with cuff, the surgical instrument of calvus or different inner core nose tools convenient for different operation replacements with different structure.
Description
Technical field
The present invention relates to the field of medical instrument technology, more particularly, to a kind of ophthalmology micro-surgical instrument and its operation side
Method.
Background technique
In current Ophthalimic microsurgery, conventional ocular fundus operation instrument is the instrument of " A " font opening mode,
This instrument in operation, is easy to appear the problems such as discontinuity, radial wobble are mobile and operative incision is caused to perform the operation
It is torn in journey.The handle of the instrument of " A " font opening mode of ocular and fundus operation is two panels holding currently on the market
Structure, and the handle of the surgical instrument of two panels holding be easy to cause unbalance stress during use and leads to surgical procedure
Middle generation is unnecessary to move radially or axially, and eventually leads to instrument damage internal eye structures.In addition, in the course of surgery,
If doctor needs to convert the gripping direction of surgical instrument, the two panels spring leaf of the instrument of two panels holding structure will be limited by
Direction can only keep a fixed posture to perform the operation, and greatly limit the flexibility ratio of doctor in the course of surgery.
Summary of the invention
Present invention solves the technical problem that be existing ocular fundus operation " A " font opening mode instrument be easy
It now causes operative incision to tear in the course of surgery the problems such as discontinuity, radial wobble movement, eventually leads to instrument damage
Hurt internal eye structures, while existing surgical instrument can only keep a fixed posture to perform the operation, and greatly limit
The flexibility ratio of doctor in the course of surgery.
In order to solve the above technical problems, technical solution of the present invention provides a kind of ophthalmology micro-surgical instrument, wherein packet
It includes:
Needle stand, cuff, connector and the handle being successively detachably connected；
The end of the needle stand is plugged with casing, and calvus group, institute are movably equipped on the circumferencial direction of the cuff
It states and pushing block is installed in needle stand；
Inner core is penetratingly installed, the head of the inner core has tweezers, and the tail portion of the inner core is exposed in described sleeve pipe
Described sleeve pipe is simultaneously fixed in the needle stand；
The inside of the needle stand is equipped with sliding shoe at described sleeve pipe position, and perforation ground, which is equipped with, on the sliding shoe uses
In grafting described sleeve pipe and by the through-hole of the inner core, the sliding shoe is arranged with spring, the both ends point of the spring outside
Not against the flange of the inner wall of the needle stand and the sliding shoe；
The inside of the cuff is movably equipped with T-block, the both ends of the T-block be separately connected the calvus group and
The pushing block, the pushing block are contacted relative to the one end connected with the T-block with the sliding shoe；
The calvus group controls the T-block movement, and the T-block pushes the pushing block mobile, and the pushing block pushes institute
It is mobile to state sliding shoe, described sleeve pipe and the sliding shoe synchronizing moving, described sleeve pipe shrink the tweezers, institute in moving process
State tweezers clamping.
Optionally, the calvus group includes that multiple side walls around the cuff are arranged in parachute-opening shape and are movably installed on
Calvus in the cuff；
The two sides that each calvus is located at one end in the cuff are respectively formed with swivelling chute and insertion piece, the set
Bind round the convex that shape Yu the swivelling chute outline are formed at the position for installing each calvus, each calvus
It is rotatably mounted in the cuff by the cooperation of the convex and the swivelling chute；
The T-block is equipped with an insertion groove, the insertion of each calvus in the position connecting with each calvus
Part is inserted into the insertion groove and connect with the T-block；
Each calvus is rotated using the convex as the center of circle close to or far from the handle, and each calvus is close
When the handle, the calvus group in closing umbrella, and the insertion piece rotate towards each calvus direction of rotation and incite somebody to action
The direction of the T-block towards the same side with insertion piece rotation pushes.
Optionally, at least two positioning pins are installed in the needle stand, form fixed institute between at least two positioning pins
State the space of the tail portion of inner core；Each positioning pin is threadedly connected in the needle stand, opposite between at least two positioning pins
It screws and the tail portion of the inner core is clamped and fastened in the space.
Optionally, the both ends of the pushing block contact the sliding shoe and the T-block, the central location of the pushing block respectively
It is penetratingly equipped with the avoid holes for passing through for the positioning pin up and down, the length of the avoid holes is greater than the row of the T-block
Journey distance, the both ends of the pushing block offer the type groove and perforation passed through for the inner core respectively.
Optionally, the diameter of the through-hole is greater than the outer diameter of described sleeve pipe, and the internal diameter of described sleeve pipe is greater than the inner core
Diameter.
Optionally, the cuff is equipped with the fixing sleeve for fixing the calvus group, institute close to one end of the needle stand
The one end for stating fixing sleeve forms protrusion and is inserted into the needle stand, and the T-block can move back and forth in the protrusion.
Optionally, the both ends of the connector are respectively provided with clamping portion and threaded portion, and one end of the connector passes through institute
It states clamping portion to be removably connected in the cuff, the other end of the connector passes through the threaded portion and the handle spiral shell
Line connection.
Optionally, the tweezers are in parachute-opening shape Shi Zhangkai in the calvus group, and the tweezers are in close umbrella in the calvus group
It is closed when shape.
Optionally, transition, the middle part court of the calvus are successively bent between the end, middle part and tail portion of each calvus
Close to the direction of the handle and the end bending transition of the calvus, the tail portion of the calvus is towards the direction far from the handle
It is bent with the middle part of the middle part bending transition of the calvus, the calvus in circular arc.
In order to solve the above technical problems, technical solution of the present invention also provides a kind of aobvious according to above-mentioned any ophthalmology
The operating method of micro- surgical instrument, wherein operating method is as follows:
When needing to clamp tweezers, index finger, middle finger, the thumb of operator is pinched respectively in calvus group, index finger, middle finger, thumb
Opposite firmly to squeeze so that calvus group is deformed from parachute-opening shape to umbrella is closed, each calvus is the center of circle towards close to handle orientations using convex
Rotation, insertion piece drive T-block to be directed away from handle orientations movement, and T-block pushes pushing block to be directed away from handle orientations movement, pushes away
It is mobile that block pushes sliding shoe to be directed away from handle orientations, and synchronize to be directed away from handle orientations mobile for casing and sliding shoe, until covering
Pipe, which shrinks tweezers, to be closed and clamps；
Index finger, middle finger, thumb loosen, and sliding shoe covers simultaneously since the bounce of spring is towards close to handle orientations movement
Pipe is mobile towards close handle orientations and unclamps tweezers, and tweezers open, and sliding shoe pushes pushing block mobile towards close handle orientations,
Pushing block pushes T-block towards close to handle orientations movement, and each calvus of T-block drive is the center of circle towards far from handle orientations using convex
Rotation is until calvus group is in parachute-opening shape.
The beneficial effect of technical solution of the present invention is:
The present invention on the circumferencial direction of cuff by being arranged 360 ° of calvus group, so that calvus uniform force is steady when mediating
It is fixed, avoid axially or radially unnecessary movement.Mediating calvus clamps inner core, unclamps calvus and inner core is loosened, with reality
Now to operation portable operation.Handle is detachably installed with cuff, convenient for different calvus or not of the operation replacement with different structure
With the surgical instrument of inner core nose tool.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of ophthalmology micro-surgical instrument in the embodiment of the present invention；
Fig. 2 is A in Fig. 1 to cross-sectional view；
Fig. 3 is the partial enlarged view of ophthalmology micro-surgical instrument in the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of pushing block in the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of ophthalmology micro-surgical instrument in another embodiment of the present invention.
Specific embodiment:
The present invention will be further explained below with reference to the attached drawings and specific examples, but not as the limitation of the invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include fisrt feature right above second feature and oblique upper, or be merely representative of
First feature horizontal height is less than second feature.
Referring to Figure 1, shown in Fig. 2 and Fig. 3, show a kind of ophthalmology micro-surgical instrument of embodiment, wherein including according to
The secondary needle stand 1 being detachably connected, cuff 2, connector 7 and handle 4；The end of needle stand 1 is plugged with casing 5, the circumference side of cuff 2
Calvus group 3 is movably installed upwards, pushing block 10 is installed in needle stand 1；Inner core 6, inner core 6 are penetratingly installed in casing 5
Head there are tweezers 61, the tail portion of inner core 6 is exposed casing 5 and is simultaneously fixed in needle stand 1；The inside of needle stand 1 is close to 5 position of casing
Place is equipped with sliding shoe 30, and perforation ground is equipped with for inserted joint casing 5 and (is not shown by the through-hole of inner core 6 on sliding shoe 30
Out), it is arranged with spring 40 outside sliding shoe 30, the both ends of spring 40 bear against the inner wall of needle stand 1 and the flange of sliding shoe 30
301；The inside of cuff 2 is movably equipped with T-block 9, and the both ends of T-block 9 are separately connected calvus group 3 and pushing block 10, pushing block
10 contact relative to the one end connected with T-block 9 with sliding shoe 30；Calvus group 3 controls the movement of T-block 9, and T-block 9 pushes pushing block
10 is mobile, and pushing block 10 pushes sliding shoe 30 mobile, and casing 5 and 30 synchronizing moving of sliding shoe, casing 5 shrink tweezer in moving process
Son 61, tweezers 61 clamp.
In the present embodiment, calvus group 3 includes that multiple side walls around cuff 2 arrange in parachute-opening shape and are movably installed on set
Calvus 33 in hoop 2；The two sides that each calvus 33 is located at one end in cuff 2 are respectively formed with swivelling chute 31 and insertion piece 32,
Cuff 2 is formed with the convex 21 of shape Yu 31 outline of swivelling chute, each calvus 33 at the position for installing each calvus 33
It is rotatably mounted in cuff 2 by the cooperation of convex 21 and swivelling chute 31；T-block 9 is in the position connecting with each calvus 33
It sets and is equipped with an insertion groove 91, the insertion piece 32 of each calvus 33 is inserted into insertion groove 91 and connect with T-block 9；Each calvus
33 with convex 21 be that the center of circle is rotated close to or far from 4 ground of handle, when each calvus 33 is close to handle 4, calvus group 3 in closing umbrella,
And insertion piece 32 is rotated towards each 33 direction of rotation of calvus and the side by T-block 9 towards the same side rotated with insertion piece 32
To promotion.
In the present embodiment, at least two positioning pins 20 are installed in needle stand 1, are formed in fixed between at least two positioning pins 20
The space (not shown) of the tail portion of core 6；Each positioning pin 20 is threadedly connected in needle stand 1, phase between at least two positioning pins 20
To screwing and the tail portion of inner core 6 be clamped and fastened in the (not shown) of space.
In the present embodiment, as shown in figure 4, contact slide block 30 and T-block 9, pushing block are distinguished in the both ends 102,101 of pushing block 10
10 central location is penetratingly equipped with the avoid holes 103 for passing through for positioning pin 20 up and down, and the length of avoid holes 103 is greater than T
The stroke distances of type block 9, the both ends of pushing block 10 offer the type groove 104 and perforation 105 passed through for inner core 6 respectively.
In the present embodiment, the diameter of through-hole (not shown) is greater than the outer diameter of casing 5, and the internal diameter of casing 5 is greater than the straight of inner core 6
Diameter.
In the present embodiment, cuff 2 is equipped with the fixing sleeve 8 for fixing calvus group 3, fixing sleeve 8 close to one end of needle stand 1
One end formed and protrusion 81 and be inserted into needle stand 1, T-block 9 can move back and forth in protrusion 81.
In the present embodiment, the both ends of connector 7 are respectively provided with clamping portion 71 and threaded portion 72, and one end of connector 7 passes through
Clamping portion 71 is removably connected in cuff 2, and the other end of connector 7 is threadedly coupled by threaded portion 72 with handle 4.
In the present embodiment, tweezers 61 are in parachute-opening shape Shi Zhangkai in calvus group 3, and tweezers 61 are closed in calvus group 3 in when closing umbrella
It closes.
In the present embodiment, transition, the middle part court of calvus 33 are successively bent between the end of each calvus 33, middle part and tail portion
Close to the direction of handle 4 and the end bending transition of calvus 33, direction and calvus 33 of the tail portion of calvus 33 towards separate handle 4
The middle part of middle part bending transition, calvus 33 is bent in circular arc.
A kind of operating method according to above-mentioned arbitrary ophthalmology micro-surgical instrument is also provided in the present embodiment, wherein behaviour
It is as follows to make method:
When needing to clamp tweezers 61, index finger, middle finger, the thumb of operator is pinched respectively in calvus group 3, index finger, middle finger, thumb
Refer to it is opposite firmly squeeze so that calvus group 3 is from parachute-opening shape to closing umbrella deformation, each calvus 33 is the center of circle towards close with convex 21
4 direction of handle rotates, and it is mobile that insertion piece 32 drives T-block 9 to be directed away from 4 direction of handle, and T-block 9 pushes pushing block 10 towards remote
Mobile from 4 direction of handle, pushing block 10 pushes sliding shoe 30 to be directed away from the movement of 4 direction of handle, the court synchronous with sliding shoe 30 of casing 5
To far from the movement of 4 direction of handle, it is closed and clamps until casing 5 shrinks tweezers 61；
Index finger, middle finger, thumb loosen, and sliding shoe 30 is since the bounce of spring 40 is mobile towards close 4 direction of handle, together
When casing 5 towards mobile close to 4 direction of handle and unclamp tweezers 61, tweezers 61 open, and sliding shoe 30 pushes pushing block 10 towards leaning on
Nearly 4 direction of handle is mobile, and pushing block 10 pushes T-block 9 towards mobile close to 4 direction of handle, T-block 9 drive each calvus 33 with
Convex 21 is that the center of circle is rotated towards far from 4 direction of handle up to calvus group 3 is in parachute-opening shape.
In conclusion calvus group of the present invention by 360 ° of the setting on the circumferencial direction of cuff, so that calvus when mediating
Uniform force is stablized, and axially or radially unnecessary movement is avoided.Mediating calvus clamps inner core, unclamps calvus and makes inner core
Loosen, to realize to operation portable operation.Handle is detachably installed with cuff, convenient for different operation replacements with different structure
The surgical instrument of calvus or different inner core nose tools.And the ophthalmology micro-surgical instrument in the present embodiment is applicable to vertically
The operation of surgical instrument is pinched in calvus group 3 respectively by index finger, middle finger, thumb, and middle finger portion articulations digitorum manus rides in calvus
The recess of the crossover position at 33 middle part and tail portion, so that it is more stable when hand-held surgical instrument, it is not easy to shake.
Present invention seek to address that conventional " A " font structure of ocular surgical instrument, allows ocular operation to be also able to achieve circular pipe type
Minimally Invasive Surgery, in entire surgical procedure, the opening and closing of surgical instrument does not interfere with notch.Meanwhile the present invention hold when, due to
360 ° without dead angle stress, during making whole operation stress more evenly, not will cause in surgical procedure axially or radially
Unnecessary movement, to damage internal eye structures, and doctor can adjust surgical device on operation direction at any time according to demand
The direction of tool, and hold direction and do not need to change, the operation for alloing doctor that good grip state to be kept to complete all directions
Demand.
In addition, the present invention is made of head and handle two parts, head can be changed into not according to different operation demands
With the instrument of purposes, when such as needing tweezer, as long as changing head into tweezers.Without causing a large amount of surgical instrument on operating table
Caused by confusion.
As shown in figure 5, in another embodiment, a kind of Ophthalimic microsurgery device of the calvus group with different structure
Tool, including needle stand 1 ', cuff 2 ', connector 7 ' and the handle 4 ' being successively detachably connected；The end of needle stand 1 ' is plugged with casing
5 ', calvus group 3 ' is movably installed on the circumferencial direction of cuff 2 ', casing 5 ' is interior to be penetratingly equipped with inner core 6 ', the calvus
The structure that the global shape of group 3 ' is shunk in the end of parachute-opening shape towards handle 4 ' is suitable for levels operation.
The above is only preferred embodiments of the present invention, are not intended to limit the implementation manners and the protection scope of the present invention, right
For those skilled in the art, it should can appreciate that and all replace with being equal made by description of the invention and diagramatic content
It changes and obviously changes obtained scheme, should all be included within the scope of the present invention.
Claims (10)
1. a kind of ophthalmology micro-surgical instrument characterized by comprising
Needle stand, cuff, connector and the handle being successively detachably connected；
The end of the needle stand is plugged with casing, and calvus group, the needle are movably equipped on the circumferencial direction of the cuff
Pushing block is installed in seat；
Inner core is penetratingly installed, the head of the inner core has tweezers, described in the tail portion of the inner core is exposed in described sleeve pipe
Casing is simultaneously fixed in the needle stand；
The inside of the needle stand is equipped with sliding shoe at described sleeve pipe position, and perforation ground is equipped with for inserting on the sliding shoe
Described sleeve pipe and the through-hole by the inner core are connect, is arranged with spring outside the sliding shoe, the both ends of the spring are supported respectively
By the inner wall of the needle stand and the flange of the sliding shoe；
The inside of the cuff is movably equipped with T-block, and the both ends of the T-block are separately connected the calvus group and described
Pushing block, the pushing block are contacted relative to the one end connected with the T-block with the sliding shoe；
The calvus group controls the T-block movement, and the T-block pushes the pushing block mobile, and the pushing block pushes the cunning
Motion block is mobile, and described sleeve pipe and the sliding shoe synchronizing moving, described sleeve pipe shrink the tweezers, the tweezer in moving process
Sub-folder is tight.
2. ophthalmology micro-surgical instrument according to claim 1, which is characterized in that
The calvus group includes that multiple side walls around the cuff are arranged in parachute-opening shape and are movably installed in the cuff
Calvus；
The two sides that each calvus is located at one end in the cuff are respectively formed with swivelling chute and insertion piece, and the cuff exists
The convex that shape Yu the swivelling chute outline are formed at the position of each calvus is installed, each calvus passes through
The cooperation of the convex and the swivelling chute is rotatably mounted in the cuff；
The T-block is equipped with an insertion groove in the position connecting with each calvus, and the insertion piece of each calvus is inserted
Enter in the insertion groove and is connect with the T-block；
Each calvus is rotated using the convex as the center of circle close to or far from the handle, and each calvus is close to described
When handle, the calvus group is in closing umbrella, and the insertion piece is rotated towards each calvus direction of rotation and by the T
The direction of type block towards the same side with insertion piece rotation pushes.
3. ophthalmology micro-surgical instrument according to claim 1, which is characterized in that be equipped at least two in the needle stand
Positioning pin forms the space of the tail portion of the fixed inner core between at least two positioning pins；Each positioning pin is threadedly connected to
It is opposite between at least two positioning pins to screw and the tail portion of the inner core is clamped and fastened on the space in the needle stand
In.
4. ophthalmology micro-surgical instrument according to claim 3, which is characterized in that the both ends of the pushing block contact institute respectively
Sliding shoe and the T-block are stated, the central location of the pushing block is penetratingly equipped with keeps away for what is passed through for the positioning pin up and down
Allow hole, the length of the avoid holes is greater than the stroke distances of the T-block, and the both ends of the pushing block are offered respectively in described
The type groove and perforation that core passes through.
5. ophthalmology micro-surgical instrument according to claim 1, which is characterized in that the diameter of the through-hole is greater than the set
The outer diameter of pipe, the internal diameter of described sleeve pipe are greater than the diameter of the inner core.
6. ophthalmology micro-surgical instrument according to claim 1, which is characterized in that the cuff close to the needle stand one
End is equipped with the fixing sleeve for fixing the calvus group, and one end of the fixing sleeve forms protrusion and is inserted into the needle stand
In, the T-block can move back and forth in the protrusion.
7. ophthalmology micro-surgical instrument according to claim 1, which is characterized in that the both ends of the connector are respectively provided with
One end of clamping portion and threaded portion, the connector is removably connected in the cuff by the clamping portion, the company
The other end of connector is connect by the threaded portion with the handle threads.
8. ophthalmology micro-surgical instrument according to claim 2, which is characterized in that the tweezers are in open in the calvus group
It is opened when umbrella, the tweezers are in the calvus group in closure when closing umbrella.
9. ophthalmology micro-surgical instrument according to claim 8, which is characterized in that end, the middle part of each calvus
Transition, direction and the end bending of the calvus of the middle part of the calvus towards the close handle are successively bent between tail portion
Transition, the tail portion of the calvus towards direction and the calvus far from the handle middle part bending transition, in the calvus
Portion is bent in circular arc.
10. a kind of operating method of -9 any ophthalmology micro-surgical instruments according to claim 1, which is characterized in that behaviour
It is as follows to make method:
When needing to clamp tweezers, index finger, middle finger, the thumb of operator is pinched respectively in calvus group, and index finger, middle finger, thumb are opposite
It firmly squeezes so that calvus group is revolved using convex as the center of circle towards close to handle orientations from parachute-opening shape to umbrella deformation, each calvus is closed
Turn, insertion piece drives T-block to be directed away from handle orientations movement, and T-block pushes pushing block to be directed away from handle orientations movement, pushing block
Sliding shoe is pushed to be directed away from handle orientations mobile, synchronize to be directed away from handle orientations mobile for casing and sliding shoe, until casing
Tweezers are shunk and is closed and clamps；
Index finger, middle finger, thumb loosen, and sliding shoe is since the bounce of spring is mobile towards close handle orientations, while casing court
To close handle orientations movement and tweezers are unclamped, tweezers open, and sliding shoe pushes pushing block towards close handle orientations movement, pushing block
Push T-block towards close to handle orientations movement, T-block drives each calvus to rotate using convex as the center of circle towards far from handle orientations
Until calvus group is in parachute-opening shape.
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| CN201910806961.4A CN110403756B (en) | 2019-08-29 | 2019-08-29 | Ophthalmic microsurgery instrument and operation method thereof |
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| CN201910806961.4A CN110403756B (en) | 2019-08-29 | 2019-08-29 | Ophthalmic microsurgery instrument and operation method thereof |
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| CN110403756B CN110403756B (en) | 2024-06-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112716565A (en) * | 2020-12-29 | 2021-04-30 | 苏州碧利医疗科技有限公司 | Microsurgical forceps with cutting function |
| CN114305857A (en) * | 2021-12-06 | 2022-04-12 | 苏州碧利医疗科技有限公司 | Surgical forceps |
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| CN114305857A (en) * | 2021-12-06 | 2022-04-12 | 苏州碧利医疗科技有限公司 | Surgical forceps |
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