CN117379251A - Puncture outfit device for ophthalmic surgery - Google Patents

Abstract

The invention discloses a puncture outfit device for ophthalmic surgery, which belongs to the technical field of medical equipment and comprises a holding handle, wherein the front end of the holding handle is connected with a puncture head, a telescopic puncture needle is arranged in the puncture head, two groups of fixing mechanisms are arranged in the puncture head, puncture needles and injectors are respectively arranged on the two groups of fixing mechanisms, and the puncture needles are used for cutting or puncturing eye tissues; according to the technical scheme, the puncture needle and the injector are installed through the two groups of fixing mechanisms in the puncture head, the driving mechanism which is installed in the holding handle can further drive the puncture needle and the injector to extend out, the puncture needle is further used for cutting or puncturing eye tissues, the injector is used for injecting medicines or implanting crystals into the eye tissues, the functionality and convenience of the device are achieved, and the length stroke of the puncture needle and the injector extending out can be accurately controlled by the driving mechanism in the process of driving the puncture needle and the injector to extend out.

Description

Puncture outfit device for ophthalmic surgery

Technical Field

The invention relates to the technical field of medical equipment, in particular to a puncture outfit device for ophthalmic surgery.

Background

The puncture outfit for ophthalmic surgery is an instrument commonly used in ophthalmic surgery for performing an eyeball puncture operation such as vitrectomy or injection of an ophthalmic tissue drug. These surgeries generally require precise penetration of the eyeball, and thus the design and manufacture of the puncture outfit for ophthalmic surgery requires consideration of the particularity of the eyeball tissue and the precision and safety of the surgical operation.

Through retrieving, chinese patent number CN201922056760.5 discloses a puncture sword of ophthalmic surgery with mark, including puncture handle of a knife, the one end of puncture handle of a knife is connected with the connector, the one end gomphosis that the puncture handle of a knife was kept away from to the connector has the puncture sword, the side surface of puncture handle of a knife corresponds the one end nestification of connector and has the slip handle cover, the side surface threaded connection of slip handle cover has fastening bolt, the side surface of puncture handle of a knife corresponds the position of slip handle cover and has seted up the slip recess.

The beneficial effects of the device are as follows: the marking groove formed in one side of the inner side of the cutting edge is beneficial to a doctor to grasp the depth of the cornea cut into the eye, so that when the doctor performs the cornea tunnel operation again, the depth of the cutting edge entering the cornea can be kept at 1.2mm all the time, the success rate of the operation is greatly improved, and meanwhile, the marking groove can play a role in marking and reduce the psychological pressure of the doctor.

The existing puncture outfit for ophthalmic surgery is convenient for the control of the puncture precision of an operator in the use process, but depends on the control precision of the hand of the operator in the whole process in the operation process, so that the puncture needle is firstly abutted against the eye tissue and has a certain resistance in the insertion process, and the puncture needle is in the puncture instant, so that the operator cannot withdraw the puncture thrust, the puncture depth cannot be controlled accurately, and the injury to the eyes of a patient is easy. To this end, we propose a puncture outfit device for ophthalmic surgery.

Disclosure of Invention

The present invention is directed to an ophthalmic surgical puncture device that solves the problems set forth in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a puncture ware device for ophthalmic surgery, is including holding the grab handle, holds the front end of grab handle and is connected with the puncture head, and the internally mounted of puncture head has scalable pjncture needle, the internally mounted of puncture head has two sets of fixed establishment, two sets of install pjncture needle, syringe on the fixed establishment respectively, the pjncture needle is used for cutting or the puncture to eye tissue, and the syringe is used for injecting medicine or implant the crystal in to eye tissue, the internally mounted who holds the grab handle has actuating mechanism, actuating mechanism is because the flexible of drive pjncture needle, syringe.

Preferably, the fixing mechanism comprises an installation seat A connected to the inner wall of the puncture head, the installation seat A is arranged into two groups and is radially distributed along the holding handles, a limiting rod A is inserted between the installation seats A, the limiting rod A and the holding handles are distributed in parallel, a movable sliding block is sleeved on the surface of the installation seat A and used for being connected with the puncture needle or the injector, a reset spring A is sleeved on the surface of the limiting rod A, one end of the reset spring A is connected to the surface of the installation seat A, the other end of the reset spring A is connected to the surface of the movable sliding block, and the reset spring A provides tension force from the movable sliding block to the inside of the puncture head.

Preferably, the actuating mechanism is including connecting mount pad B on holding the grab handle inner wall, mount pad B sets up to four groups and is two pairs of distributions, hold two sets of mount pads B of grab handle homonymy along holding the radial distribution of grab handle, hold and insert between two sets of mount pads B of grab handle homonymy and be equipped with gag lever post B, two sets of the cover is equipped with spacing slider between the gag lever post B, communicating pipe is inserted to spacing slider's inside, communicating pipe's front end is connected with the push rod, communicating pipe's surface cover has the damping lantern ring, damping lantern ring's upper end surface is connected with the rack, actuating mechanism is still including connecting mount pad C on holding the grab handle inner wall, be connected with gag lever post C on the mount pad C, gag lever post C and gag lever post B are vertical distribution, gag lever post C's surface cover is equipped with the elevating platform, the inside of elevating platform is inserted and is equipped with the damping axle, the surface connection of damping axle has the control gear, the meshing connection of control gear and rack.

Preferably, the surface of the damping shaft is connected with rollers, the rollers are symmetrically distributed on two sides of the control gear, the radius of each roller is larger than that of the control gear, the distance between the two rollers is larger than that of the damping collar, and the upper ends of the two rollers penetrate through grooves formed in the surface of the holding handle.

Preferably, the surface cover of gag lever post C has reset spring B simultaneously, reset spring B's upper end is connected at elevating platform's lower extreme surface, reset spring B's lower extreme is connected at mount pad C's upper end surface, gag lever post B's surface cover has reset spring C, reset spring C's one end is connected at limit slider's surface, reset spring C's the other end is connected at mount pad B's surface, reset spring C provides limit slider all the time to holding the thrust of grab handle's rear end.

Preferably, the inside connection who holds the grab handle has the shifter, the shifter is located actuating mechanism's place ahead, shifter is including connecting the cassette on holding the grab handle inner wall, the cassette sets up to two sets of be symmetric distribution, two sets of insert between the cassette and be equipped with the swivel, the swivel parcel is on the surface of communicating pipe, swivel and communicating pipe, hold the grab handle and be concentric circle distribution, the surface connection of communicating pipe has the plectrum, be connected with the ejector pad on the inner wall of swivel, the plectrum is inserted and is established in the inside of ejector pad, the ejector pad is the form of buckling at the front end of communicating pipe, shifter is still including setting up the control tank on holding the grab handle surface, the swivel is located the inboard of control tank.

Preferably, the surface of the swivel is provided with identification grooves, and the identification grooves are arranged in three groups.

Preferably, the inside of holding the grab handle is connected with pressurizing mechanism, pressurizing mechanism is arranged in pressurizing to pjncture needle or syringe, pressurizing mechanism is located actuating mechanism's rear end, pressurizing mechanism is including connecting at the U type pipe of communicating pipe rear end U type pipe and communicating pipe, push rod are linked together, the front end of push rod is connected with sealed the pad, the surface connection of U type pipe has the fixed block, the inside of fixed block is inserted and is equipped with the U type pole, the other end of U type pole is inserted and is established in the inside of U type pipe, the one end of U type pole is inserted and is established at the inside of U type pipe is connected with the piston pad, the surface connection of fixed block has the connecting block, the spout that holds the grab handle surface setting is run through to the upper end surface of connecting block, the upper end surface connection of connecting block has the control slide.

Preferably, the injector is internally provided with an injection hole.

Preferably, the surface of the puncture needle is provided with a through hole, a piston rod is inserted in the through hole, the front end of the piston rod is connected with a blade, and the blade is inserted in a storage groove arranged on the surface of the puncture needle.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the technical scheme, the front end of the holding handle is connected with the puncture head, the puncture needle and the injector are arranged in the puncture head through the two groups of fixing mechanisms, the driving mechanism arranged in the holding handle can further drive the puncture needle and the injector to extend out, the puncture needle is further used for cutting or puncturing eye tissues, the injector is used for injecting medicines or implanting crystals into the eye tissues, the functionality and convenience of the device are realized, the length stroke of the puncture needle and the injector extending out can be accurately controlled by the driving mechanism in the process of driving the puncture needle and the injector to extend out, and when misoperation occurs in the operation process, the puncture needle and the injector can be rapidly controlled to retract, so that the operation error is avoided to be increased;

2. according to the scheme, when the puncture needle and the injector are driven to extend from the puncture head through the driving mechanism, the driving mechanism can be controlled to independently push out the puncture needle to perform puncture operation, or independently push out the injector to perform injection operation, or synchronously push out the puncture needle and the injector to perform puncture and injection synchronous operation, so that convenience combination of operation is improved, and the driving mechanism is used for adjusting push-out control of the puncture needle and the injector through the switching mechanism, so that convenience of the device is further improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention in section;

FIG. 4 is a schematic view of the installation of the fixing mechanism of the present invention;

FIG. 5 is a schematic view of the structure of the puncture needle according to the present invention;

FIG. 6 is a schematic view of the structure of the injector of the present invention;

FIG. 7 is a schematic diagram illustrating the structural installation of the driving mechanism of the present invention;

FIG. 8 is a schematic view of a portion of the structure of the driving mechanism of the present invention;

FIG. 9 is a schematic diagram of a switching mechanism according to the present invention;

FIG. 10 is a schematic view of the pressurizing mechanism according to the present invention.

In the figure: 1. holding the handle; 2. a puncture head; 3. a fixing mechanism; 301. a mounting seat A; 302. a limit rod A; 303. a movable slide block; 304. a return spring A; 4. a puncture needle; 401. a through hole; 402. a piston rod; 403. a blade; 404. a storage groove; 5. a syringe; 501. an injection hole; 6. a driving mechanism; 601. a mounting base B; 602. a limit rod B; 603. a limit sliding block; 604. a communicating pipe; 605. a push rod; 606. a damping collar; 607. a rack; 608. a mounting base C; 609. a limit rod C; 610. a lifting table; 611. a damping shaft; 612. a control gear; 613. a roller; 614. slotting; 615. a return spring B; 616. a pulling piece; 617. a sealing gasket; 618. a return spring C; 7. a switching mechanism; 701. a clamping seat; 702. a swivel; 703. a pushing block; 704. a marking groove; 705. a control groove; 8. a pressurizing mechanism; 801. a U-shaped tube; 802. a fixed block; 803. a U-shaped rod; 804. a piston pad; 805. a connecting block; 806. a chute; 807. and controlling the sliding plate.

Detailed Description

Example 1

Referring to fig. 1-10, the present invention provides a technical solution:

the puncture outfit device for the ophthalmic surgery is characterized in that the front end of the holding handle 1 is connected with a puncture head 2, two groups of fixing mechanisms 3 are arranged in the puncture head 2, and puncture needles 4 and syringes 5 are respectively connected to the two groups of fixing mechanisms 3. The puncture needle 4 is used for cutting or puncturing ocular tissue, and the syringe 5 is used for injecting a drug or implanting a lens into ocular tissue. The inside of holding grab handle 1, puncture head 2 is linked together, holds grab handle 1's internally mounted and has actuating mechanism 6, and actuating mechanism 6 is used for driving pjncture needle 4, syringe 5 and stretches out from puncture head 2's front end, further makes things convenient for the operation of pjncture needle 4, syringe 5. Meanwhile, the switching mechanism 7 is arranged in the holding handle 1, the switching mechanism 7 is positioned in front of the driving mechanism 6, and the driving mechanism 6 can be controlled to extend and control the puncture needle 4 and the injector 5 through the switching mechanism 7, so that the driving mechanism 6 can independently extend and operate the puncture needle 4 or the injector 5, or synchronously extend and operate the puncture needle 4 and the injector 5, and the operation convenience of the device is improved.

The fixing mechanism 3 comprises mounting seats A301 connected to the inner wall of the puncture head 2, and the mounting seats A301 are arranged in two groups and are distributed along the radial direction of the holding handle 1. A limiting rod A302 is inserted between the two groups of mounting seats A301, and the limiting rod A302 and the holding handle 1 are distributed in parallel. The movable sliding block 303 is sleeved on the surface of the mounting seat A301, the movable sliding block 303 is used for connecting the puncture needle 4 or the injector 5, when the movable sliding block 303 is further controlled to linearly slide on the surface of the limiting rod A302, the puncture needle 4 or the injector 5 can be controlled to stretch out and draw back in the puncture head 2, and the puncture needle 4 and the injector 5 can be further conveniently stretched out from the puncture head 2, so that the puncture needle is convenient to use. The puncture needle 4 and the injector 5 are also beneficial to being stored in the puncture head 2 without retracting, so that the puncture needle 4 and the injector 5 are prevented from being damaged.

The driving mechanism 6 comprises mounting seats B601 connected to the inner wall of the holding handle 1, the four groups of mounting seats B601 are distributed in pairs, the two groups of mounting seats B601 on the same side of the holding handle 1 are distributed along the radial direction of the holding handle 1, and a limiting rod B602 is inserted between the two groups of mounting seats B601 on the same side of the holding handle 1. A limiting slide block 603 is sleeved between the two groups of limiting rods B602, a communicating pipe 604 is inserted in the limiting slide block 603, and a push rod 605 is connected to the front end of the communicating pipe 604. Through the linear slip of spacing slider 603 on the surface of gag lever post B602, further connect spacing slider 603 drive damping lantern ring 606 at holding the inside slip of grab handle 1 to control push rod 605 is contradicted at pjncture needle 4, the surface of syringe 5, control pjncture needle 4, syringe 5 stretch out from the inside of pjncture head 2, realize pjncture needle 4, the convenient use of syringe 5.

The surface of the communicating pipe 604 is sleeved with a damping collar 606, and the upper end surface of the damping collar 606 is connected with a rack 607. Meanwhile, the driving mechanism 6 further comprises an installation seat C608 connected to the inner wall of the holding handle 1, a limiting rod C609 is connected to the installation seat C608, and the limiting rod C609 and the limiting rod B602 are vertically distributed. The surface cover of gag lever post C609 is equipped with elevating platform 610, and the inside of elevating platform 610 inserts simultaneously has damping axle 611, and damping axle 611's surface is connected with control gear 612, and control gear 612 and rack 607's meshing are connected. The control gear 612 is further controlled to engage the rack 607 to slide by rotating the control gear 612 on the surface of the damping shaft 611, and as the communicating pipe 604 rotates in the damping collar 606 to have a damping effect, and the rotating damping force is greater than the sliding force of the communicating pipe 604 in the damping collar 606, when the control gear 612 engages the rack 607 to slide, the rack 607 is connected with the damping collar 606 to drive the communicating pipe 604 to slide, and the control communicating pipe 604 is connected with the push rod 605 to abut against the rear end surface of the puncture needle 4 or the injector 5, so that the puncture needle 4 or the injector 5 is further pushed out of the puncture head 2.

The surface of the damping shaft 611 is connected with rollers 613, the rollers 613 are arranged in two groups symmetrically distributed on two sides of the control gear 612, the radius of the rollers 613 is larger than that of the control gear 612, and the distance between the two groups of rollers 613 is larger than that of the damping collar 606. The upper ends of the two groups of rollers 613 penetrate through grooves 614 formed in the surface of the holding handle 1, so that when an operator is in use, the operator can control the control gear 612 to engage the rack 607 to slide by holding the holding handle 1 and pressing fingers on the surface of the rollers 613 and pushing the rollers 613 to rotate, and the extending operation of the puncture needle 4 and the injector 5 is further realized. In addition, in the extending process of the puncture needle 4 and the injector 5, the sliding length of the communicating pipe 604 can be accurately controlled by controlling the rotation amplitude of the roller 613 through the fingers of an operator, so that the convenience and the accuracy of operation are improved. The surface of the roller 613 is provided with textures, so that friction force during pressing is increased, and convenience in operation is further improved.

Meanwhile, a reset spring B615 is sleeved on the surface of the limiting rod C609, the upper end of the reset spring B615 is connected to the lower end surface of the lifting table 610, and the lower end of the reset spring B615 is connected to the upper end surface of the mounting seat C608. When the roller 613 is not pressed, the limit rod C609 is pushed upwards under the elastic force of the return spring B615, so that the control gear 612 and the rack 607 are further controlled to be unable to be meshed, and the driving mechanism 6 is controlled to be unable to drive the puncture needle 4 and the injector 5 to extend out of the puncture head 2, so as to avoid damage to the puncture needle 4 and the injector 5 or injury to personnel. And in the operation process, when medical staff find that the puncture needle 4 and the injector 5 have errors, the control gear 612 is further controlled to be quickly sprung up under the elastic force of the reset spring B615 by loosening the pressing of the roller 613 by fingers, so that the continuous puncture control of the puncture needle 4 or the injector 5 by the driving mechanism 6 is avoided, and the accident on a patient is caused. Meanwhile, the surface of the limiting rod B602 is sleeved with a reset spring C618, one end of the reset spring C618 is connected to the surface of the limiting slider 603, the other end of the reset spring C618 is connected to the surface of the mounting seat B601, the reset spring C618 always provides thrust force for the limiting slider 603 to the rear end of the holding handle 1, and when the push rod 605 pushes the puncture needle 4 and the injector 5 to extend out of the puncture head 2, the limiting slider 603 slides on the surface of the limiting rod B602 and extrudes the reset spring C618, and at the moment, the limiting slider 603 can continuously push the reset spring C618 to extrude and slide forwards under the meshing action of the control gear 612 and the rack 607. When the control gear 612 cannot be engaged with the rack 607, the limit slider 603 is rapidly pushed backward under the elastic force of the return spring C618, and further the push rod 605 cannot generate forward pushing force on the puncture needle 4 and the injector 5. Meanwhile, a reset spring A304 is sleeved on the surface of the limiting rod A302, one end of the reset spring A304 is connected to the surface of the mounting seat A301, the other end of the reset spring A304 is connected to the surface of the movable sliding block 303, and the reset spring A304 always provides the pulling force of the movable sliding block 303 to the inside of the puncture head 2. Therefore, when the puncture needle 4 and the injector 5 are pushed outwards by the driving mechanism 6, the movable sliding block 303 slides on the surface of the limiting rod A302 and stretches the limiting rod A302, when the driving mechanism 6 cannot push the puncture needle 4 and the injector 5 outwards, the movable sliding block 303 is further controlled to slide towards the inside of the puncture head 2 rapidly under the action of the pulling force of the reset spring A304, the puncture needle 4 and the injector 5 are pulled back to the inside of the puncture head 2, the puncture needle 4 and the injector 5 are rapidly withdrawn, and further damage is increased when errors exist in puncture are avoided, so that the safety of an operation is improved.

The switching mechanism 7 comprises two clamping seats 701 connected to the inner wall of the holding handle 1, wherein the clamping seats 701 are symmetrically distributed, and a swivel 702 is inserted between the two clamping seats 701, so that the swivel 702 can rotate in the holding handle 1. Meanwhile, the swivel 702 is wrapped on the surface of the communicating pipe 604, the swivel 702, the communicating pipe 604 and the holding handle 1 are distributed in concentric circles, the surface of the communicating pipe 604 is connected with a poking piece 616, the inner wall of the swivel 702 is connected with a push block 703, and the poking piece 616 is inserted into the push block 703. Further, the rotating ring 702 can push the pulling piece 616 to rotate by the pushing block 703 during the rotation process, thereby further controlling the communicating pipe 604 to rotate in the limiting slider 603. Because the push rod 605 is bent at the front end of the communicating tube 604, the communicating tube 604 further adjusts the front end position of the push rod 605 in the rotation process, and the push rod 605 can be controlled to abut against the rear end surface of the puncture needle 4, the rear end surface of the syringe 5 or the rear end surfaces of the puncture needle 4 and the syringe 5. Further, the driving mechanism 6 can independently push out the puncture needle 4 to perform puncture operation, or independently push out the injector 5 to perform injection operation, or synchronously push out the puncture needle 4 and the injector 5 to perform puncture and injection synchronous operation, so that convenience combination of operation is improved. And can be when pjncture needle 4, syringe 5 carry out synchronous puncture, injection, after pjncture needle 4 puncture is accomplished, withdraw pjncture needle 4 and remain the injection operation of syringe 5 fast, improve the suitability of this device. The switching mechanism 7 further comprises a control slot 705 arranged on the surface of the holding handle 1, the swivel 702 is located on the inner side of the control slot 705, so that a user can conveniently hold the holding handle 1 by hand, and can press fingers in the control slot 705 and touch the surface of the swivel 702, thereby conveniently pushing the swivel 702 to rotate in the clamping seat 701. At the same time, the surface of the swivel 702 is provided with a marking groove 704, and the marking groove 704 is respectively provided with three groups of independent pushing-out of the puncture needle 4, opposite pushing-out of the syringe 5, and synchronous pushing-out of the puncture needle 4 and the syringe 5. The visual feeling of the user during the adjustment and control is convenient.

The injection hole 501 is arranged in the injector 5, when the injector 5 needs to inject medicine or implant a crystal, the medicine or crystal to be injected can be preloaded in the injection hole 501, and the injector 5 is further convenient to quickly inject the medicine or crystal preloaded in the injection hole 501 after being punctured by the puncture needle 4. The tail end of the holding handle 1 is connected with a pressurizing mechanism 8, and the pressurizing mechanism 8 can squeeze the injection hole 501, so that the injection of the preloaded medicine or crystal in the injection hole 501 is further facilitated. The pressurizing mechanism 8 comprises a U-shaped pipe 801 connected to the rear end of the communicating pipe 604, and the U-shaped pipe 801 is communicated with the communicating pipe 604 and the push rod 605. Meanwhile, the front end of the push rod 605 is connected with a sealing pad 617, and when the push rod 605 abuts against the rear end surface of the injector 5, the sealing pad 617 abuts against the outer side of the injection hole 501, so that sealing communication between the push rod 605 and the injection hole 501 is further formed. So that the pressurizing mechanism 8 can directly perform the pressurizing operation control in the injection hole 501.

The surface of U-shaped pipe 801 is connected with fixed block 802, and the inside of fixed block 802 is inserted and is equipped with U-shaped pole 803, and the other end of U-shaped pole 803 is inserted and is established in the inside of U-shaped pipe 801 to the one end of U-shaped pole 803 inserted and established in the inside of U-shaped pipe 801 is connected with piston pad 804. The U-shaped rod 803 slides in the fixed block 802 to have a damping effect, so that the communicating pipe 604 is connected to the pressurizing mechanism 8 to slide synchronously when sliding in the grip 1. Meanwhile, a connecting block 805 is connected to the surface of the fixed block 802, a sliding groove 806 is provided on the upper end of the connecting block 805 to penetrate the surface of the holding handle 1, and a control sliding plate 807 is connected to the upper end surface of the connecting block 805. When a user needs to perform pressurized injection of a medicine or a crystal in the injection hole 501 through the pressurizing mechanism 8, the user holds the grab handle 1 by hand and presses the finger on the surface of the control sliding plate 807, pushes the control sliding plate 807 to slide in the sliding groove 806, is connected with the connecting block 805 to push the U-shaped rod 803 into the U-shaped pipe 801, further controls the piston pad 804 to squeeze air in the U-shaped pipe 801, increases air pressure of a communication cavity among the U-shaped pipe 801, the communicating pipe 604, the push rod 605 and the injection hole 501, and pre-loads the medicine or the crystal in the injection hole 501 to push out through the air pressure, thereby realizing injection of the medicine or implantation of the crystal.

The surface of pjncture needle 4 is provided with through-hole 401, and the inside of through-hole 401 is inserted and is equipped with piston rod 402, and the front end of piston rod 402 is connected with blade 403, and blade 403 inserts in the holding groove 404 that pjncture needle 4 surface set up. After the push rod 605 and the through hole 401 are further aligned, the inside of the through hole 401 can be pressed by the pressing mechanism 8, and the piston rod 402 is further controlled to slide forward inside the through hole 401, so that the blade 403 protrudes from the receiving groove 404 and protrudes from the surface of the through hole 401. The puncture needle 4 can not only puncture the eye tissues, but also cut the eye tissues, so that the structural functionality of the puncture needle 4 is improved, and the applicability of the device is improved.

Claims (10)

1. The utility model provides a puncture outfit device for ophthalmic surgery, is including holding grab handle (1), holds the front end of grab handle (1) and is connected with puncture head (2), and the internally mounted of puncture head (2) has scalable pjncture needle (4), its characterized in that: the utility model discloses a puncture needle, including puncture head (2), syringe, handle (1), driving mechanism (6), puncture needle (4), syringe (5) are installed respectively on two sets of fixed establishment (3), puncture needle (4) are used for cutting or puncture to eye tissue, and syringe (5) are used for injecting medicine or implantation crystal into eye tissue, the internally mounted of handle (1) has actuating mechanism (6), actuating mechanism (6) are owing to the flexible of drive puncture needle (4), syringe (5).

2. The ophthalmic surgical puncture device according to claim 1, wherein: the utility model provides a puncture needle, including fixed establishment (3), including connecting mount pad A (301) on puncture head (2) inner wall, mount pad A (301) set up to two sets of and radially distribute along holding grab handle (1), two sets of insert between mount pad A (301) gag lever post A (302), gag lever post A (302) and hold grab handle (1) are parallel distribution, the surface cover of mount pad A (301) is equipped with movable slider (303), movable slider (303) are used for connecting puncture needle (4) or syringe (5), the surface cover of gag lever post A (302) has reset spring A (304), reset spring A (304) one end is connected on mount pad A (301)'s surface, reset spring A (304) other end is connected on movable slider (303)'s surface, reset spring A (304) provide movable slider (303) to puncture head (2) inside pulling force.

3. The ophthalmic surgical puncture device according to claim 1, wherein: the driving mechanism (6) comprises mounting seats B (601) connected to the inner wall of the holding handle (1), the mounting seats B (601) are distributed in pairs, the two groups of mounting seats B (601) on the same side of the holding handle (1) are distributed along the radial direction of the holding handle (1), a limit rod B (602) is inserted between the two groups of mounting seats B (601) on the same side of the holding handle (1), a limit slide block (603) is sleeved between the two groups of limit rods B (602), a communicating pipe (604) is inserted in the limit slide block (603), a push rod (605) is connected to the front end of the communicating pipe (604), a damping lantern ring (606) is sleeved on the surface of the communicating pipe (604), racks (607) are connected to the upper end surface of the damping lantern ring (606), the driving mechanism (6) further comprises a mounting seat C (608) connected to the inner wall of the holding handle (1), a limit rod C (609) is connected to the mounting seat C (608), a limit rod C (609) and a limit rod C (602) are sleeved on the inner surface of the damping shaft (610) and a damping shaft (610) is arranged on the lifting shaft (602), the control gear (612) is in meshed connection with the rack (607).

4. A puncture device for ophthalmic surgery as set forth in claim 3, wherein: the surface of damping axle (611) is connected with gyro wheel (613), gyro wheel (613) set up to two sets of be the both sides of symmetric distribution in control gear (612), the radius of gyro wheel (613) is greater than the radius of control gear (612), and two sets of interval of gyro wheel (613) is greater than the diameter of damping lantern ring (606), two sets of upper end of gyro wheel (613) run through fluting (614) that hold grab handle (1) surface setting.

5. The ophthalmic surgical puncture device according to claim 4, wherein: the surface cover of gag lever post C (609) has reset spring B (615) simultaneously, the lower extreme surface at elevating platform (610) is connected to the upper end of reset spring B (615), the upper end surface at mount pad C (608) is connected to the lower extreme of reset spring B (615), the surface cover of gag lever post B (602) has reset spring C (618), the one end of reset spring C (618) is connected on the surface of spacing slider (603), the surface at mount pad B (601) is connected to the other end of reset spring C (618), reset spring C (618) provide the thrust of spacing slider (603) to the rear end of holding grab handle (1) all the time.

6. A puncture device for ophthalmic surgery as set forth in claim 3, wherein: the inside of holding grab handle (1) is connected with shifter (7), shifter (7) are located the place ahead of actuating mechanism (6), shifter (7) are including connecting cassette (701) on holding grab handle (1) inner wall, cassette (701) set up to two sets of symmetric distributions, two sets of insert between cassette (701) have swivel (702), swivel (702) parcel is on the surface of communicating pipe (604), swivel (702) and communicating pipe (604), hold grab handle (1) and be concentric circles and distribute, the surface connection of communicating pipe (604) has plectrum (616), be connected with ejector pad (703) on the inner wall of swivel (702), plectrum (616) are inserted and are established in the inside of ejector pad (703), push rod (605) are the form of buckling in the front end of communicating pipe (604), shifter (7) still including setting up in the control groove (705) of holding grab handle (1) surface, swivel (702) are located control groove (705).

7. The ophthalmic surgical puncture device according to claim 6, wherein: the surface of the swivel (702) is provided with identification grooves (704), and the identification grooves (704) are arranged in three groups.

8. A puncture device for ophthalmic surgery as set forth in claim 3, wherein: the utility model provides a handle for a medical device, including handle (1), handle (1)'s internally connected has pressurizing mechanism (8), pressurizing mechanism (8) are arranged in to pjncture needle (4) or syringe (5) pressurization, pressurizing mechanism (8) are located the rear end of actuating mechanism (6), pressurizing mechanism (8) are including connecting U type pipe (801) at communicating pipe (604) rear end U type pipe (801) and communicating pipe (604), push rod (605) internal communication, the front end of push rod (605) is connected with sealed pad (617), the surface of U type pipe (801) is connected with fixed block (802), the inside of fixed block (802) is inserted and is equipped with U type pole (803), the other end of U type pole (803) is inserted and is established in the inside one end of U type pipe (801) and be connected with piston pad (804), the surface connection of fixed block (802) has connecting block (805), the upper end of connecting block (805) runs through handle (1) surface setting up spout (805), the surface of connecting block (805) is connected with slide (807).

9. The ophthalmic surgical puncture device according to claim 8, wherein: an injection hole (501) is provided in the syringe (5).

10. The ophthalmic surgical puncture device according to claim 8, wherein: the surface of pjncture needle (4) is provided with through-hole (401), the inside of through-hole (401) is inserted and is equipped with piston rod (402), the front end of piston rod (402) is connected with blade (403), blade (403) are inserted and are established in accomodate groove (404) that pjncture needle (4) surface set up.