CN110403756B - Ophthalmic microsurgery instrument and operation method thereof - Google Patents
Ophthalmic microsurgery instrument and operation method thereof Download PDFInfo
- Publication number
- CN110403756B CN110403756B CN201910806961.4A CN201910806961A CN110403756B CN 110403756 B CN110403756 B CN 110403756B CN 201910806961 A CN201910806961 A CN 201910806961A CN 110403756 B CN110403756 B CN 110403756B
- Authority
- CN
- China
- Prior art keywords
- block
- claw
- sleeve
- inner core
- claw piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000002406 microsurgery Methods 0.000 title abstract description 6
- 210000000078 claw Anatomy 0.000 claims abstract description 88
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 5
- 238000001356 surgical procedure Methods 0.000 abstract description 7
- 238000004898 kneading Methods 0.000 abstract description 3
- 210000003811 finger Anatomy 0.000 description 15
- 210000003128 head Anatomy 0.000 description 7
- 210000003813 thumb Anatomy 0.000 description 7
- 208000002847 Surgical Wound Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- 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)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
The technical scheme of the invention discloses an ophthalmic microsurgery instrument and an operation method thereof, wherein the ophthalmic microsurgery instrument comprises a needle seat, a hoop, a connector and a handle which are detachably connected in sequence; the needle seat is inserted with a sleeve, the ferrule is provided with a claw group, an inner core with tweezers is arranged in the sleeve, the claw group controls the T-shaped block to move, the T-shaped block pushes the push block to move, the push block pushes the sliding block to move, the sleeve and the sliding block synchronously move, the tweezers are contracted in the moving process of the sleeve, and the tweezers are clamped. According to the invention, the claw sheet group of 360 degrees is arranged in the circumferential direction of the hoop, so that the claw sheets are uniformly and stably stressed during kneading, and unnecessary axial or radial movement is avoided. The clamping jaw piece enables the inner core to be clamped, and the loosening jaw piece enables the inner core to be loosened, so that the portable operation on the operation is realized. The handle and the hoop can be detachably arranged, so that surgical instruments with claw sheets of different structures or different inner core head tools can be conveniently replaced in different surgeries.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an ophthalmic microsurgical instrument and an operation method thereof.
Background
In the current ophthalmic microsurgery, the conventional ocular surface fundus surgical instruments are all instruments in an A-shaped opening mode, and when the instruments are operated, the problems of uneven stress, radial shake movement and the like easily occur, so that the surgical incision is torn in the surgical process. The handles of the instruments in the mode of an A-shaped opening for ocular surface and fundus surgery are in two-piece holding structures in the current market, and the handles of the two-piece holding surgical instruments are easy to cause uneven stress in the use process, so that unnecessary radial or axial movement occurs in the surgical process, and finally the instruments damage the internal structures of eyes. In addition, in the operation process, if a doctor needs to change the holding direction of the surgical instrument, the direction of the two spring pieces of the two-piece holding-type instrument can be limited, and only one fixed posture can be kept for operation, so that the flexibility of the doctor in the operation process is greatly limited.
Disclosure of Invention
The invention solves the technical problems that the prior A-shaped opening type instrument for ocular surface fundus surgery is easy to generate uneven stress, radial shake movement and the like, so that an operation incision is torn in the operation process, finally the instrument damages the internal structure of eyes, and meanwhile, the prior operation instrument can only keep a fixed posture for operation, thereby greatly limiting the flexibility of doctors in the operation process.
In order to solve the technical problems, the technical scheme of the invention provides an ophthalmic microsurgical instrument, which comprises the following components:
The needle seat, the hoop, the connector and the handle are detachably connected in sequence;
The end part of the needle seat is inserted with a sleeve, a claw sheet group is movably arranged in the circumferential direction of the ferrule, and a pushing block is arranged in the needle seat;
an inner core is arranged in the sleeve in a penetrating manner, forceps are arranged at the head part of the inner core, and the tail part of the inner core is exposed out of the sleeve and is fixed in the needle seat;
A sliding block is arranged in the needle seat near the sleeve, a through hole for inserting the sleeve and passing through the inner core is arranged on the sliding block in a penetrating manner, a spring is sleeved outside the sliding block, and two ends of the spring respectively abut against the inner wall of the needle seat and the flange of the sliding block;
a T-shaped block is movably arranged in the hoop, two ends of the T-shaped block are respectively connected with the claw piece group and the pushing block, and the pushing block contacts with the sliding block relative to one end connected with the T-shaped block;
The claw piece group controls the T-shaped block to move, the T-shaped block pushes the pushing block to move, the pushing block pushes the sliding block to move, the sleeve and the sliding block synchronously move, the sleeve contracts the tweezers in the moving process, and the tweezers are clamped.
Optionally, the claw sheet group comprises a plurality of claw sheets which are arranged in an umbrella shape around the side wall of the hoop and are movably arranged in the hoop;
Each claw piece is positioned at two sides of one end of the hoop, a rotary groove and an insert piece are respectively formed on the two sides of the claw piece, an inward convex part with a shape matched with the outline of the rotary groove is formed on the position where each claw piece is arranged on the hoop, and each claw piece is rotatably arranged in the hoop through the matching of the inward convex part and the rotary groove;
the T-shaped block is provided with an insertion groove at the position connected with each claw piece, and an insertion piece of each claw piece is inserted into the insertion groove and connected with the T-shaped block;
Each claw piece rotates with the inward bulge as a circle center and is close to or far away from the handle, when each claw piece is close to the handle, the claw piece group is umbrella-shaped, the insert rotates towards the rotation direction of each claw piece, and the T-shaped block is pushed towards the direction of the same side with the rotation direction of the insert.
Optionally, at least two positioning pins are installed in the needle seat, and a space for fixing the tail part of the inner core is formed between the at least two positioning pins; each locating pin is in threaded connection with the needle seat, at least two locating pins are screwed relatively, and the tail part of the inner core is clamped and fixed in the space.
Optionally, the both ends of ejector pad contact respectively the sliding block with T type piece, the central point of ejector pad puts and runs through from top to bottom and is equipped with and is used for supplying the locating pin passes dodges the hole, dodges the length in hole is greater than T type piece's travel distance, the both ends of ejector pad have been seted up respectively and have been supplied the inner core passes groove and perforation.
Optionally, the diameter of the through hole is larger than the outer diameter of the sleeve, and the inner diameter of the sleeve is larger than the diameter of the inner core.
Optionally, a fixing sleeve for fixing the claw sheet group is installed at one end of the ferrule, which is close to the needle seat, a protruding part is formed at one end of the fixing sleeve and is inserted into the needle seat, and the T-shaped block can move back and forth in the protruding part.
Optionally, the two ends of the connector are respectively provided with a clamping part and a threaded part, one end of the connector is detachably clamped in the hoop through the clamping part, and the other end of the connector is in threaded connection with the handle through the threaded part.
Optionally, the tweezers are opened when the claw sheet group is umbrella-shaped, and the tweezers are closed when the claw sheet group is umbrella-shaped.
Optionally, the middle part of each claw piece is towards being close to the direction of handle with the transition of bending of the tip of claw piece, the afterbody of claw piece is towards keeping away from the direction of handle with the transition of bending of the middle part of claw piece, the middle part of claw piece is circular arc crooked.
In order to solve the technical problems, the technical scheme of the invention also provides an operation method of the ophthalmic microsurgical instrument, wherein the operation method comprises the following steps:
When the forceps need to be clamped, the index finger, the middle finger and the thumb of an operator are respectively pinched on the claw sheet group, the index finger, the middle finger and the thumb are extruded with relative force to enable the claw sheet group to deform from an umbrella shape to an umbrella shape, each claw sheet rotates towards a direction close to the handle by taking an inward bulge as a circle center, the insert drives the T-shaped block to move towards a direction far away from the handle, the T-shaped block pushes the push block to move towards the direction far away from the handle, the push block pushes the sliding block to move towards the direction far away from the handle, and the sleeve and the sliding block synchronously move towards the direction far away from the handle until the sleeve contracts, closes and clamps the forceps;
The index finger, the middle finger and the thumb are relaxed, the sliding block moves towards the direction close to the handle due to the rebound force of the spring, the sleeve moves towards the direction close to the handle and releases the tweezers, the tweezers are opened, the sliding block pushes the pushing block to move towards the direction close to the handle, the pushing block pushes the T-shaped block to move towards the direction close to the handle, and the T-shaped block drives each claw piece to rotate towards the direction far away from the handle by taking the inward bulge as the center of a circle until the claw piece group is umbrella-shaped.
The technical scheme of the invention has the beneficial effects that:
according to the invention, the claw sheet group of 360 degrees is arranged in the circumferential direction of the hoop, so that the claw sheets are uniformly and stably stressed during kneading, and unnecessary axial or radial movement is avoided. The clamping jaw piece enables the inner core to be clamped, and the loosening jaw piece enables the inner core to be loosened, so that the portable operation on the operation is realized. The handle and the hoop can be detachably arranged, so that surgical instruments with claw sheets of different structures or different inner core head tools can be conveniently replaced in different surgeries.
Drawings
FIG. 1 is a schematic view of an ophthalmic microsurgical instrument in accordance with an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along the direction A in FIG. 1;
FIG. 3 is an enlarged view of a portion of an ophthalmic microsurgical instrument in an embodiment of the present invention;
FIG. 4 is a schematic diagram of a pushing block according to an embodiment of the present invention;
fig. 5 is a schematic structural view of an ophthalmic microsurgical instrument in another embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is less level than the second feature.
Referring now to fig. 1,2 and 3, an ophthalmic microsurgical instrument of an embodiment is shown comprising a hub 1, a ferrule 2, a connector 7 and a handle 4 detachably connected in sequence; the end part of the needle seat 1 is inserted with a sleeve 5, a claw sheet group 3 is movably arranged in the circumferential direction of the ferrule 2, and a push block 10 is arranged in the needle seat 1; an inner core 6 is arranged in the sleeve 5 in a penetrating way, forceps 61 are arranged at the head part of the inner core 6, and the tail part of the inner core 6 is exposed out of the sleeve 5 and is fixed in the needle seat 1; a sliding block 30 is arranged in the needle seat 1 near the sleeve 5, a through hole (not shown) for inserting the sleeve 5 and passing through the inner core 6 is arranged on the sliding block 30 in a penetrating way, a spring 40 is sleeved outside the sliding block 30, and two ends of the spring 40 respectively abut against the inner wall of the needle seat 1 and a flange 301 of the sliding block 30; a T-shaped block 9 is movably arranged in the hoop 2, two ends of the T-shaped block 9 are respectively connected with the claw sheet group 3 and the push block 10, and the push block 10 contacts with the sliding block 30 relative to one end connected with the T-shaped block 9; the claw piece group 3 controls the T-shaped block 9 to move, the T-shaped block 9 pushes the push block 10 to move, the push block 10 pushes the sliding block 30 to move, the sleeve 5 and the sliding block 30 synchronously move, the sleeve 5 contracts the tweezers 61 in the moving process, and the tweezers 61 are clamped.
In this embodiment, the claw sheet group 3 includes a plurality of claw sheets 33 arranged in an umbrella-like shape around the side wall of the ferrule 2 and movably mounted in the ferrule 2; each of the claw pieces 33 is formed with a rotation groove 31 and an insert 32, respectively, on both sides of one end of the ferrule 2, the ferrule 2 is formed with an inner protrusion 21 shaped to match the contour of the rotation groove 31 at a position where each claw piece 33 is mounted, and each claw piece 33 is rotatably mounted in the ferrule 2 by the engagement of the inner protrusion 21 with the rotation groove 31; the T-shaped block 9 is provided with an insertion groove 91 at a position connected with each claw piece 33, and the insertion piece 32 of each claw piece 33 is inserted into the insertion groove 91 and connected with the T-shaped block 9; each of the claw pieces 33 rotates toward or away from the handle 4 with the inward projection 21 as a center, when each claw piece 33 approaches the handle 4, the claw piece group 3 assumes a closed umbrella shape, and the insert 32 rotates toward the rotation direction of each claw piece 33 and pushes the T-shaped block 9 toward the same side as the rotation direction of the insert 32.
In the embodiment, at least two positioning pins 20 are arranged in the needle seat 1, and a space (not shown) for fixing the tail part of the inner core 6 is formed between the at least two positioning pins 20; each of the positioning pins 20 is screwed into the needle holder 1, and at least two of the positioning pins 20 are screwed relatively and clamp and fix the tail of the inner core 6 in a space (not shown).
In this embodiment, as shown in fig. 4, two ends 102 and 101 of the push block 10 respectively contact the sliding block 30 and the T-shaped block 9, a avoidance hole 103 for passing through the positioning pin 20 is penetratingly provided at the central position of the push block 10 up and down, the length of the avoidance hole 103 is longer than the travel distance of the T-shaped block 9, and two ends of the push block 10 are respectively provided with a slot 104 and a perforation 105 for passing through the inner core 6.
In this embodiment, the diameter of the through hole (not shown) is larger than the outer diameter of the sleeve 5, and the inner diameter of the sleeve 5 is larger than the diameter of the inner core 6.
In this embodiment, a fixing sleeve 8 for fixing the claw set 3 is installed at one end of the ferrule 2 near the needle seat 1, a protrusion 81 is formed at one end of the fixing sleeve 8 and inserted into the needle seat 1, and the T-shaped block 9 can move back and forth in the protrusion 81.
In this embodiment, the two ends of the connector 7 are respectively provided with a clamping portion 71 and a threaded portion 72, one end of the connector 7 is detachably clamped in the ferrule 2 through the clamping portion 71, and the other end of the connector 7 is in threaded connection with the handle 4 through the threaded portion 72.
In the present embodiment, the forceps 61 are opened when the claw piece group 3 is umbrella-shaped, and the forceps 61 are closed when the claw piece group 3 is umbrella-shaped.
In this embodiment, the end, middle and tail of each claw piece 33 are sequentially bent and transited, the middle of each claw piece 33 is bent and transited towards the direction close to the handle 4 and the end of each claw piece 33, the tail of each claw piece 33 is bent and transited towards the direction far away from the handle 4 and the middle of each claw piece 33, and the middle of each claw piece 33 is arc-shaped.
There is also provided in this embodiment a method of operating an ophthalmic microsurgical instrument in accordance with any of the preceding claims, wherein the method of operation is as follows:
When the tweezers 61 need to be clamped, the index finger, the middle finger and the thumb of an operator are respectively pinched on the claw sheet group 3, the index finger, the middle finger and the thumb are pressed by relative force to deform the claw sheet group 3 from an umbrella shape to a umbrella shape, each claw sheet 33 rotates towards the direction close to the handle 4 by taking the inward bulge 21 as the center of a circle, the insert 32 drives the T-shaped block 9 to move towards the direction far away from the handle 4, the T-shaped block 9 pushes the push block 10 to move towards the direction far away from the handle 4, the push block 10 pushes the slide block 30 to move towards the direction far away from the handle 4, and the sleeve 5 and the slide block 30 synchronously move towards the direction far away from the handle 4 until the sleeve 5 contracts and closes the tweezers 61 and clamps;
the index finger, the middle finger and the thumb are relaxed, the sliding block 30 moves towards the direction approaching the handle 4 due to the rebound force of the spring 40, meanwhile, the sleeve 5 moves towards the direction approaching the handle 4 and releases the tweezers 61, the tweezers 61 are opened, the sliding block 30 pushes the pushing block 10 to move towards the direction approaching the handle 4, the pushing block 10 pushes the T-shaped block 9 to move towards the direction approaching the handle 4, and the T-shaped block 9 drives each claw piece 33 to rotate towards the direction far away from the handle 4 by taking the inward bulge 21 as the center of a circle until the claw piece group 3 is umbrella-shaped.
In summary, according to the invention, the claw sheet group of 360 degrees is arranged in the circumferential direction of the hoop, so that the claw sheets are uniformly and stably stressed during kneading, and unnecessary axial or radial movement is avoided. The clamping jaw piece enables the inner core to be clamped, and the loosening jaw piece enables the inner core to be loosened, so that the portable operation on the operation is realized. The handle and the hoop can be detachably arranged, so that surgical instruments with claw sheets of different structures or different inner core head tools can be conveniently replaced in different surgeries. The ophthalmic microsurgery device in the embodiment is suitable for the operation requiring the vertical operation device, and the index finger, the middle finger and the thumb are respectively pinched on the claw sheet group 3, and the middle finger part knuckle is supported at the concave part of the transition position of the middle part and the tail part of the claw sheet 33, so that the operation device is more stable and is not easy to shake when being held.
The invention aims to solve the problem that the conventional A-shaped structure of the ocular surface surgical instrument can realize the circular tube type minimally invasive surgery in the ocular surface surgery, and the opening and closing of the surgical instrument can not influence the incision in the whole surgery process. Meanwhile, when the invention is held, because the invention is stressed at 360 degrees without dead angles, the stress in the whole operation process is more uniform, the axial or radial unnecessary movement in the operation process is not caused, thereby damaging the internal structure of eyes, and a doctor can adjust the direction of the surgical instrument at any time according to the requirement in the operation direction, and the holding direction does not need to be changed, so that the doctor can keep a good holding state to finish the operation requirement in all directions.
In addition, the invention is composed of a head part and a handle, the head part can be detached and replaced into instruments with different purposes according to different operation requirements, and if forceps are needed, the head part can be replaced by forceps. Without causing confusion caused by a large number of surgical instruments on the operating table.
In another embodiment, as shown in fig. 5, an ophthalmic microsurgical instrument having a jaw set of different configuration, comprises a hub 1', a ferrule 2', a connector 7 'and a handle 4' detachably connected in sequence; the end of the needle seat 1 'is inserted with a sleeve 5', a claw sheet group 3 'is movably arranged on the circumference direction of the ferrule 2', an inner core 6 'is arranged in the sleeve 5' in a penetrating way, and the whole shape of the claw sheet group 3 'is in a structure that the tail end of the umbrella-shaped opening is contracted towards the handle 4', so that the device is suitable for horizontal operation.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not intended to limit the embodiments and scope of the present invention, and it should be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present invention, and are intended to be included in the scope of the present invention.
Claims (7)
1. An ophthalmic microsurgical instrument comprising:
The needle seat, the hoop, the connector and the handle are detachably connected in sequence;
The end part of the needle seat is inserted with a sleeve, a claw sheet group is movably arranged in the circumferential direction of the ferrule, and a pushing block is arranged in the needle seat;
an inner core is arranged in the sleeve in a penetrating manner, forceps are arranged at the head part of the inner core, and the tail part of the inner core is exposed out of the sleeve and is fixed in the needle seat;
A sliding block is arranged in the needle seat near the sleeve, a through hole for inserting the sleeve and passing through the inner core is arranged on the sliding block in a penetrating manner, a spring is sleeved outside the sliding block, and two ends of the spring respectively abut against the inner wall of the needle seat and the flange of the sliding block;
a T-shaped block is movably arranged in the hoop, two ends of the T-shaped block are respectively connected with the claw piece group and the pushing block, and the pushing block contacts with the sliding block relative to one end connected with the T-shaped block;
The claw piece group controls the T-shaped block to move, the T-shaped block pushes the pushing block to move, the pushing block pushes the sliding block to move, the sleeve and the sliding block move synchronously, the sleeve contracts the tweezers in the moving process, and the tweezers are clamped;
the claw sheet group comprises a plurality of claw sheets which are arranged in an umbrella shape around the side wall of the hoop and are movably arranged in the hoop;
Each claw piece is positioned at two sides of one end of the hoop, a rotary groove and an insert piece are respectively formed on the two sides of the claw piece, an inward convex part with a shape matched with the outline of the rotary groove is formed on the position where each claw piece is arranged on the hoop, and each claw piece is rotatably arranged in the hoop through the matching of the inward convex part and the rotary groove;
the T-shaped block is provided with an insertion groove at the position connected with each claw piece, and an insertion piece of each claw piece is inserted into the insertion groove and connected with the T-shaped block;
each claw piece is close to or far away from the handle by taking the inward bulge as a circle center, when each claw piece is close to the handle, the claw piece group is umbrella-shaped, the insert piece rotates towards the rotation direction of each claw piece, and the T-shaped block is pushed towards the direction of the same side with the rotation direction of the insert piece;
the tweezers are opened when the claw piece group is umbrella-shaped, and the tweezers are closed when the claw piece group is umbrella-shaped.
2. The ophthalmic microsurgical instrument of claim 1, wherein at least two locating pins are mounted within the hub, the at least two locating pins defining a space therebetween for securing the tail of the inner core; each locating pin is in threaded connection with the needle seat, at least two locating pins are screwed relatively, and the tail part of the inner core is clamped and fixed in the space.
3. The ophthalmic microsurgical instrument of claim 2, wherein two ends of the push block are respectively contacted with the sliding block and the T-shaped block, a through hole for the positioning pin to pass through is arranged in the central position of the push block in a penetrating manner up and down, the length of the through hole is longer than the travel distance of the T-shaped block, and a shaped groove and a through hole for the inner core to pass through are respectively formed in two ends of the push block.
4. The ophthalmic microsurgical instrument of claim 1, wherein the diameter of the through hole is greater than the outer diameter of the cannula, and wherein the inner diameter of the cannula is greater than the diameter of the inner core.
5. The ophthalmic microsurgical instrument of claim 1, wherein an end of the cuff adjacent the hub is provided with a retaining sleeve for retaining the jaw set, wherein an end of the retaining sleeve defines a projection and is inserted into the hub, and wherein the T-block is movable back and forth within the projection.
6. The ophthalmic microsurgical instrument of claim 1, wherein the connector has a clamping portion and a threaded portion at each end, one end of the connector is detachably clamped in the ferrule by the clamping portion, and the other end of the connector is threadably connected to the handle by the threaded portion.
7. The ophthalmic microsurgical instrument of claim 1, wherein each of the jaw members has a transition of bending in sequence between an end portion, a middle portion, and a tail portion, wherein the middle portion of the jaw member is in transition of bending with the end portion of the jaw member in a direction toward the handle, the tail portion of the jaw member is in transition of bending with the middle portion of the jaw member in a direction away from the handle, and the middle portion of the jaw member is curved in an arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910806961.4A CN110403756B (en) | 2019-08-29 | 2019-08-29 | Ophthalmic microsurgery instrument and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910806961.4A CN110403756B (en) | 2019-08-29 | 2019-08-29 | Ophthalmic microsurgery instrument and operation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110403756A CN110403756A (en) | 2019-11-05 |
| CN110403756B true CN110403756B (en) | 2024-06-25 |
Family
ID=68369295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910806961.4A Active CN110403756B (en) | 2019-08-29 | 2019-08-29 | Ophthalmic microsurgery instrument and operation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110403756B (en) |
Families Citing this family (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 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6187026B1 (en) * | 1995-02-09 | 2001-02-13 | Atraumatic Limited | Surgical instruments |
| CN210811958U (en) * | 2019-08-29 | 2020-06-23 | 苏州碧利医疗科技有限公司 | Ophthalmologic microsurgery instrument |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2162939Y (en) * | 1993-06-15 | 1994-04-27 | 苏州医疗器械厂 | Ball inner tweezers for operation of ophthalmology |
| WO2002030302A1 (en) * | 2000-10-12 | 2002-04-18 | Alcon Inc. | Microsurgical instrument |
| US6855156B2 (en) * | 2000-10-19 | 2005-02-15 | Grieshaber & Co. Ag Schaffhausen | Ophthalmic microsurgical instrument |
| DE602005009873D1 (en) * | 2005-06-22 | 2008-10-30 | Andre Jeab Marie | OPHTHALMOLOGICAL MICRO-SURGICAL TONGUE FOR UNIQUE USE |
| US20080188877A1 (en) * | 2007-02-05 | 2008-08-07 | Hickingbotham Dyson W | Instruments For Removing an Object From the Eye |
| CN104546282B (en) * | 2014-12-31 | 2016-09-07 | 北京航空航天大学 | A kind of end device for retinal vessel bypass surgery auxiliary robot |
| CN204863647U (en) * | 2015-08-10 | 2015-12-16 | 北京安视佳科技发展有限公司 | Tweezers is cut to integral type qxcomm technology intraocular |
| EP3181080A1 (en) * | 2015-12-15 | 2017-06-21 | Netvlieschirurg B.V. | Microsurgical fine gripping and diathermy forceps and scissors |
| CN208145110U (en) * | 2017-07-19 | 2018-11-27 | 南安市美胤机械科技有限公司 | A kind of adjustable ophthalmic forceps |
| US20190167415A1 (en) * | 2017-12-05 | 2019-06-06 | Theodore Todd RICHMOND | Surgical tool and method |
| CN209019149U (en) * | 2018-07-27 | 2019-06-25 | 南京东南眼科医院有限公司 | A kind of curved tweezer of more contrates of ophthalmologic operation |
| CN109620403B (en) * | 2018-12-28 | 2020-04-10 | 中国科学院自动化研究所 | Operating device |
| CN109717952B (en) * | 2019-02-01 | 2024-03-26 | 微智医疗器械有限公司 | Holder of retina prosthesis microelectrode fixing nail |
| CN109820640A (en) * | 2019-03-19 | 2019-05-31 | 容维宁 | Tweezer is operated under minimally invasive retina |
-
2019
- 2019-08-29 CN CN201910806961.4A patent/CN110403756B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6187026B1 (en) * | 1995-02-09 | 2001-02-13 | Atraumatic Limited | Surgical instruments |
| CN210811958U (en) * | 2019-08-29 | 2020-06-23 | 苏州碧利医疗科技有限公司 | Ophthalmologic microsurgery instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110403756A (en) | 2019-11-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5591203A (en) | Anastomosis cuff manipulator tool | |
| US10874385B2 (en) | Surgical retractor | |
| US8968339B2 (en) | Suturing device with deployable needle | |
| JP6503427B2 (en) | End effector coupling and actuation system | |
| US20080188877A1 (en) | Instruments For Removing an Object From the Eye | |
| US7658729B2 (en) | Attachment device and system for corneal irrigating cannula and method thereof | |
| EP3281613A2 (en) | Small-gauge microsurgical instruments for use in ophthalmic or vitreoretinal surgery | |
| CN110403756B (en) | Ophthalmic microsurgery instrument and operation method thereof | |
| JP2010538738A (en) | Surgical equipment | |
| CN103841906A (en) | Surgical device | |
| US10945736B2 (en) | Fixing device for blood vessel suturing | |
| US20070149850A1 (en) | Endoscope endcap attachment tool | |
| WO2012064453A2 (en) | Method and apparatus for guiding a suture thread | |
| CN111803146B (en) | Peritoneoscope separating forceps with aspirator function | |
| JP2020526282A (en) | Suture placement device and method | |
| JP3780008B2 (en) | Surgical instruments | |
| CN210811958U (en) | Ophthalmologic microsurgery instrument | |
| JP2020018844A (en) | Rotation knob assemblies and surgical instruments including the same | |
| US11701135B2 (en) | Medical instrument with cleaning gap in the closure region | |
| US11497486B2 (en) | Endoscopic needle carrier | |
| US8529580B1 (en) | Surgical grasping instrument with U-shaped jaws in combination with a tympanostomy tube | |
| CN210138243U (en) | Ophthalmic surgical instrument | |
| CN107693059B (en) | A kind of operation device fixed for internal organs in Minimally Invasive Surgery | |
| KR101993256B1 (en) | Angle adjustment of laparoscopic telescope | |
| US20160074054A1 (en) | Iris retractor forceps |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |