CN214484805U - Integrated injector for filling viscoelastic agent and perfusate in ophthalmic surgery - Google Patents

Abstract

The utility model discloses an integrated injector for filling viscoelastic agent and perfusate in ophthalmic surgery, which comprises a needle body and a double-channel needle cylinder, wherein a partition plate is arranged in the middle of a cylinder cavity of the double-channel needle cylinder, the partition plate divides the cylinder cavity of the double-channel needle cylinder into a first cylinder channel and a second cylinder channel, a first piston push rod is movably installed in the first cylinder channel in a push-pull manner, a second piston push rod is movably installed in the second cylinder channel in a push-pull manner, a liquid outlet hole is formed in the middle of the front end of the double-channel needle cylinder, and the liquid outlet hole is respectively communicated with the first cylinder channel and the second cylinder channel; the needle body consists of a needle tube A and a needle tube B communicated with the needle tube A, the rear end part of the needle tube A is provided with an insertion part, and the insertion part is inserted in the liquid outlet hole of the double-channel needle cylinder in a sealing way. The utility model discloses can realize mainly filling in eyeball anterior chamber region and pour into viscoelastic agent step by step, at eyeball posterior chamber, the regional main filling of vitreous cavity pours into the perfusate into, can carry out intraocular pressure monitoring when pouring into, reduce the operation degree of difficulty, improve the security.

Description

Integrated injector for filling viscoelastic agent and perfusate in ophthalmic surgery

Technical Field

The utility model relates to an ophthalmology medical instrument field especially relates to an ophthalmic surgery fills integrative injection ware of viscoelastic agent and perfusate.

Background

Fig. 1 simply shows the basic structure of a human eyeball, which is composed of a cornea 100, an anterior chamber 101, an iris 102, a capsular bag 103, a posterior chamber 106, a vitreous cavity 108, and a lens 104 inside the capsular bag 103 from the outside to the inside of the eyeball. In various ophthalmic surgeries, the pressure inside the eyeball needs to be kept in a balanced and proper state, the intraocular pressure is the pressure exerted by the contents of the eyeball on the wall of the eyeball, the normal intraocular pressure is in a range of 10mmHg-21mmHg (1.33kPa-2.80kPa), and the structure of the eyeball needs to be kept intact and effectively protected, and the prior art generally needs to inject viscoelastic agents into the eyeball. For example, in cataract surgery, the cataract disease is mainly caused by the opacity of natural lens, and needs to replace artificial lens, firstly, an incision 107 is made in the cornea 100, and viscoelastic agent needs to be injected into the anterior chamber (mainly the region of the anterior chamber 101 in fig. 1) of the eye of the cataract patient through a special surgical needle, so as to maintain intraocular pressure, protect various tissues in the eyeball and the like. Wherein, the viscoelastic agent comprises the following main components: sodium hyaluronate, chondroitin sulfate and methylcellulose generally need to absorb most of viscoelastic agents after the operation is finished, a small amount of residual viscoelastic agents can be absorbed and metabolized by the human body, and the viscoelastic agents are harmless under normal intraocular pressure.

Ophthalmic surgery (for example, cataract surgery, especially for complex cataract patients with a history of previous vitrectomy surgery or high myopia, the fluid loss in the posterior chamber 106 and the vitreous cavity 108 is serious), viscoelastic injection is an important filling and safety guarantee for the surgical process, but the mobility of viscoelastic is limited, the filling of the anterior chamber 101 of the eyeball can be better implemented under professional operation of doctors, the balance of intraocular pressure is maintained, the posterior chamber 106 and the vitreous cavity 108 of the eyeball are also important areas, viscoelastic is not easy to be filled in the above areas, so perfusion fluid (water sample texture) is usually adopted for filling, the perfusion fluid is a necessary sterile perfusion solution, and is a sterile physiological balanced salt solution, and the main ingredients are: sodium chloride, potassium chloride, calcium chloride dihydrate, magnesium chloride hexahydrate, sodium acetate trihydrate, sodium citrate dihydrate and water for injection. The existing injection needle head and the injector for injecting viscoelastic agent or perfusion liquid have single structures, if the existing injection needle head and the injector are adopted and need to be inserted into eyes for injection for many times, the eyes are pulled out of the injection head to load substances, the injection needle head can be inserted into and pulled out of an incision 107 for many times, the internal tissues of eyeballs are easy to scratch and damage, the operation difficulty of the operation is increased, the operation risk and the complication incidence rate are greatly improved, the internal pressure of the eyeballs cannot be monitored by the existing injection needle head and the injector, the intraocular pressure is easy to unbalance, and ophthalmic operation failure and serious medical accidents are easy to cause.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects existing in the prior art, the utility model aims to provide an integral injector for filling viscoelastic agent and perfusate in ophthalmologic operation, which firstly extends the discharge pipe orifice of a needle head body into the anterior chamber area of the eyeball of a patient and pushes a first piston push rod to inject the viscoelastic agent into the needle head body to realize viscoelastic agent filling and injecting operation on the anterior chamber area of the eyeball; then the discharge pipe mouth is extended into the posterior chamber and the vitreous cavity area of the eyeball of the patient, and the second piston push rod is pushed to inject the perfusion fluid into the needle head body to realize the perfusion fluid filling and injecting operation of the posterior chamber and the vitreous cavity area of the eyeball, so that the filling and injecting operation of two substances of viscoelastic agent and the perfusion fluid at different positions in the eyeball can be realized step by step, and when the perfusion fluid is injected into the posterior chamber and the vitreous cavity area of the eyeball, even if the viscoelastic agent is remained in the needle head body, the eyeball is not influenced.

The purpose of the utility model is realized through the following technical scheme:

an integrated injector for filling viscoelastic agent and perfusate in an ophthalmic operation comprises a needle head body and a double-channel needle cylinder, wherein a partition plate is arranged in the middle of a cylinder cavity of the double-channel needle cylinder and divides the cylinder cavity of the double-channel needle cylinder into a first cylinder channel and a second cylinder channel, a first piston push rod is movably installed in the first cylinder channel in a push-pull mode, a second piston push rod is movably installed in the second cylinder channel in a push-pull mode, a liquid outlet hole is formed in the middle of the front end of the double-channel needle cylinder, and the liquid outlet hole is respectively communicated with the first cylinder channel and the second cylinder channel; the syringe needle body comprises a syringe needle tube A and a syringe needle tube B communicated with the syringe needle tube A, the rear end of the syringe needle tube A is provided with an insertion part, and the insertion part is inserted in the liquid outlet hole of the double-channel syringe in a sealing manner.

In order to better realize the utility model discloses, the utility model discloses still include pressure monitor, syringe needle pipe B tip has the ejection of compact mouth of pipe, be equipped with miniature pressure sensor on the ejection of compact mouth of pipe, syringe needle body pipe wall is equipped with the circuit chamber of going along length direction, be equipped with the signal line that is used for connecting miniature pressure sensor and pressure monitor in the circuit chamber of going.

The further technical scheme is as follows: the syringe needle tube A and the syringe needle tube B form an included angle, the miniature pressure sensor is in a cylinder shape, the miniature pressure sensor is fixedly arranged at the end part of the discharge pipe orifice, and a cylinder cavity of the miniature pressure sensor, a tube cavity of the syringe needle tube B and a tube cavity of the syringe needle tube A are sequentially communicated.

Preferably, an air pressure detector is further connected to the pressure monitor.

Preferably, a first liquid injection pipe communicated with the first cylinder is arranged on the double-channel cylinder, and a pipe valve A is arranged on the first liquid injection pipe.

Preferably, a second liquid injection pipe communicated with the second cylinder passage is arranged on the double-channel cylinder, and a pipe valve B is arranged on the second liquid injection pipe.

Preferably, the utility model discloses still include the shutoff stopper, the shutoff stopper cooperatees with the play liquid hole of binary channels cylinder.

Preferably, the insertion part is in threaded connection with the liquid outlet hole of the double-channel needle cylinder.

Preferably, the first piston push rod comprises a piston A and a push rod A fixedly connected with the piston A, the piston A is arranged in the first cylinder channel in a matched mode, and a push handle A arranged outside the rear end of the double-channel cylinder is fixed to the end portion of the push rod A.

Preferably, the second piston push rod comprises a piston B and a push rod B fixedly connected with the piston B, the piston B is arranged in the second cylinder channel in a matched mode, and a push handle B arranged outside the rear end of the double-channel cylinder is fixed to the end portion of the push rod B.

Compared with the prior art, the utility model, have following advantage and beneficial effect:

(1) the utility model firstly extends the discharge pipe mouth of the needle head body into the anterior chamber area of the eyeball of a patient, and pushes the first piston push rod to inject the viscoelastic agent into the needle head body to realize the viscoelastic agent filling injection operation of the anterior chamber area of the eyeball; then the discharge pipe mouth is extended into the posterior chamber and the vitreous cavity area of the eyeball of the patient, and the second piston push rod is pushed to inject the perfusion fluid into the needle head body to realize the perfusion fluid filling and injecting operation of the posterior chamber and the vitreous cavity area of the eyeball, so that the filling and injecting operation of two substances of viscoelastic agent and the perfusion fluid at different positions in the eyeball can be realized step by step, and when the perfusion fluid is injected into the posterior chamber and the vitreous cavity area of the eyeball, even if the viscoelastic agent is remained in the needle head body, the eyeball is not influenced.

(2) The utility model discloses be equipped with one-way flow valve A in liquid outlet hole and first barrel joint position department, one-way flow valve A guarantees that the viscoelastic agent can only enter into liquid outlet hole from first barrel, in the syringe needle body, be equipped with one-way flow valve B in liquid outlet hole and second barrel joint position department, one-way flow valve B guarantees that the perfusate can only enter into liquid outlet hole from the second barrel, in the syringe needle body, like this, one-way flow valve A can effectively prevent first barrel with one-way flow valve B, the streaming phenomenon that the material probably appears in the second barrel.

(3) The utility model discloses can realize mainly filling in eyeball anterior chamber region and pour into viscoelastic agent step by step, at eyeball posterior chamber, the regional main filling of vitreous cavity pours into the perfusate into, is favorable to simplifying the operation flow and the operation degree of difficulty that two kinds of eyeball operation materials pour into, and the operation of being convenient for is controlled in the operation.

(4) When viscoelastic agent is filled, the miniature pressure sensor at the front end of the discharge pipe orifice can measure the intraocular pressure of the anterior chamber region of the eyeball of a patient in real time and transmit the intraocular pressure data of the region to the pressure monitor for displaying; meanwhile, a pressure comparison module in the pressure monitor compares the intraocular pressure measured by the miniature pressure sensor with the external air pressure monitored by the air pressure detector, and the comparison result is displayed on a display screen of the pressure monitor, so that a doctor can conveniently control the injection amount of the viscoelastic agent.

(5) When the filling perfusion liquid is injected, the miniature pressure sensor at the front end of the discharge pipe orifice can measure the intraocular pressure of the posterior chamber of the eyeball and the vitreous cavity region of the patient in real time and transmit the intraocular pressure data of the region to the pressure monitor for displaying; meanwhile, a pressure comparison module in the pressure monitor compares the intraocular pressure measured by the miniature pressure sensor with the external air pressure monitored by the air pressure detector, and the comparison result is displayed on a display screen of the pressure monitor, so that a doctor can conveniently control the injection amount of the perfusion fluid.

Drawings

FIG. 1 is a schematic diagram of a human eyeball tissue structure;

FIG. 2 is a schematic structural view of a needle body and a dual-channel syringe in an insertion combination according to an embodiment;

FIG. 3 is a schematic view illustrating the insertion of a needle body into a dual-channel syringe according to an embodiment;

FIG. 4 is a schematic view of the structure of the double-channel syringe and the stopper;

FIG. 5 is a schematic view of the structure of the two-needle body and the two-channel syringe after insertion and combination according to the embodiment.

Wherein, the names corresponding to the reference numbers in the drawings are:

1-needle body, 2-needle tube A, 21-plug part, 3-needle tube B, 31-discharge tube mouth, 32-miniature pressure sensor, 4-double-channel needle cylinder, 5-clapboard, 6-first tube channel, 7-first piston push rod, 8-second tube channel, 9-second piston push rod, 10-liquid outlet, 11-pressure monitor, 12-air pressure detector, 13-first liquid injection tube, 14-second liquid injection tube, 15-blocking plug, 100-cornea, 101-anterior chamber, 102-iris, 103-lens capsule bag, 104-lens, 105-lens suspensory ligament, 106-posterior chamber, 107-incision and 108-vitreous chamber.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example one

As shown in fig. 1 to 4, an integral injector for filling viscoelastic agent and perfusion fluid in an ophthalmic surgery comprises a needle body 1 and a dual-channel needle cylinder 4, wherein a partition plate 5 is arranged in the middle of a cylinder cavity of the dual-channel needle cylinder 4, the partition plate 5 divides the cylinder cavity of the dual-channel needle cylinder 4 into a first cylinder channel 6 and a second cylinder channel 8, a first piston push rod 7 is movably installed in the first cylinder channel 6 in a push-and-pull manner, the first cylinder channel 6 is used for storing the viscoelastic agent, the viscoelastic agent is injected into the cavity of the needle body 1 through the first piston push rod 7 and then is output through a discharge pipe opening 31; push-and-pull movable mounting has second piston push rod 9 in the second barrel way 8, and second barrel way 8 is used for storing the perfusate, injects the perfusate to the cavity of syringe needle body 1 in through second piston push rod 9, then exports through ejection of compact mouth of pipe 31. The middle part of the front end of the double-channel needle cylinder 4 is provided with a liquid outlet 10, and the liquid outlet 10 is respectively communicated with the first cylinder passage 6 and the second cylinder passage 8. The needle body 1 consists of a needle tube A2 and a needle tube B3 communicated with the needle tube A2, the rear end part of the needle tube A2 is provided with an insertion part 21, and the insertion part 21 is inserted in the liquid outlet hole 10 of the double-channel needle cylinder 4 in a sealing way.

This embodiment still includes pressure monitor 11, and syringe needle pipe B3 tip has discharge tube mouth 31, is equipped with miniature pressure sensor 32 on discharge tube mouth 31, the utility model discloses a miniature pressure sensor 32 adopts miniature pressure sensor or intraocular pressure sensor suitable for eyeball inside, if adopt journal "sensor and microsystem", 2010(029)006, zhuanghan, liujing quan etc. wherein the implantable intraocular pressure microsensor who introduces, for example adopt the pressure sensor in the implantable intraocular pressure monitor that can supply glaucoma patient to use that hundred degree encyclopedics "implantable intraocular pressure monitor" (search on the net "implantable intraocular pressure monitor", enter hundred degree encyclopedics) mentioned. A line passing cavity is formed in the tube wall of the needle body 1 along the length direction, and a signal line for connecting the miniature pressure sensor 32 and the pressure monitor 11 is arranged in the line passing cavity; of course, a slot a may be formed outside the needle body 1 (i.e., on the outer tube wall), in which a signal line is routed, and then sealed and encapsulated.

The needle tube A2 and the needle tube B3 form an included angle, the miniature pressure sensor 32 is in a cylinder shape (the miniature pressure sensor 32 can be not in a cylinder shape and is directly installed at the outer side end part of the discharge tube opening 31, preferably, the miniature pressure sensor 32 is designed in a cylinder shape and is matched with the discharge tube opening 31), the miniature pressure sensor 32 is fixedly arranged at the end part of the discharge tube opening 31, and a cylinder cavity of the miniature pressure sensor 32, a tube cavity of the needle tube B3 and a tube cavity of the needle tube A2 are sequentially communicated.

A first liquid injection pipe 13 communicated with the first cylinder 6 is arranged on the double-channel cylinder 4, and a pipe valve A is arranged on the first liquid injection pipe 13; when the viscoelastic agent needs to be injected into the first barrel 6 through the first liquid injection pipe 13, the pipe valve A is opened, otherwise, the pipe valve A is closed. The utility model discloses preferred first piston push rod 7 includes piston A and is connected fixed push rod A with piston A, and piston A cooperates and arranges first pipeline 6 in, and push rod A end fixing has the outside handle A that pushes away of arranging 4 rear ends of binary channels cylinder in. A second liquid injection pipe 14 communicated with the second cylinder passage 8 is arranged on the double-channel cylinder 4, and a pipe valve B is arranged on the second liquid injection pipe 14; the pipe valve B of the embodiment can perform opening and closing operations of the second liquid injection pipe 14, when perfusion liquid needs to be injected into the second barrel passage 8 through the second liquid injection pipe 14, the pipe valve B is opened, otherwise, the pipe valve B is closed. The utility model discloses preferred second piston push rod 9 includes piston B and is connected fixed push rod B with piston B, and during second cylinder way 8 was arranged in the cooperation of piston B, push rod B end fixing had the outside handle B that pushes away of arranging 4 rear ends of binary channels cylinder in.

The embodiment further comprises a sealing plug 15, wherein the sealing plug 15 is matched with the liquid outlet hole 10 of the double-channel needle cylinder 4, and when the double-channel needle cylinder 4 is not used, the sealing plug is used for sealing the liquid outlet hole 10 of the double-channel needle cylinder 4.

The insertion part 21 of this embodiment can be hermetically connected to the liquid outlet 10 by a threaded connection, and its specific structure is as follows: grafting portion 21 threaded connection is in the play liquid hole 10 of binary channels cylinder 4, and grafting portion 21 outside is equipped with the external screw thread, and the play liquid hole 10 inner wall of binary channels cylinder 4 is equipped with the internal thread.

When in use, the viscoelastic agent is stored in the first barrel passage 6, and the viscoelastic agent can be injected into the first barrel passage 6 through the first liquid injection pipe 15; the perfusate is stored in the second channel 8, and the perfusate can be injected into the second channel 8 through the second perfusate pipe 16. The inserting part 21 of the needle body 1 is inserted in the liquid outlet 10 of the double-channel needle cylinder 4 in a sealing way. Inserting the needle body 1 into the eyeball of the patient through the incision 107, firstly injecting the viscoelastic agent into the anterior chamber 101 region of the eyeball of the patient, placing the discharge pipe mouth 31 of the needle body 1 near the anterior chamber 101 region, pushing the first piston push rod 7 to inject the viscoelastic agent into the anterior chamber 101 region, inputting the viscoelastic agent in the first cylinder 6 into the needle body 1 through the liquid outlet 10 by the first piston push rod 7 (when pushing the first piston push rod 7, the first piston push rod 7 pushes the viscoelastic agent to move forward and enter the needle body 1 through the liquid outlet 10, and the viscoelastic agent can smoothly enter the needle body 1 through the liquid outlet 10 due to the fact that the second cylinder 8 stores the perfusion liquid and has water pressure, in the embodiment, a one-way flow valve a can be arranged at the connecting position of the liquid outlet 10 and the first cylinder 6, and ensures that the viscoelastic agent can only enter the liquid outlet 10 from the first cylinder 6, In the syringe needle body 1, this embodiment can be equipped with one-way flow valve B in liquid hole 10 and 8 hookup location departments of second cylinder way, and one-way flow valve B guarantees that the perfusate can only enter into liquid hole 10, syringe needle body 1 from second cylinder way 8, and like this, one-way flow valve A and one-way flow valve B can effectively prevent the streaming phenomenon that probably appears of material in first cylinder way 6, the second cylinder way 8), reach ejection of compact mouth of pipe 31 and realize filling the injection in anterior chamber 101 region in patient's eyeball through syringe needle body 1. Then, the discharge pipe mouth 31 of the needle body 1 further extends into the areas of the posterior chamber 106 and the vitreous cavity 108 of the eyeball of the patient, the second piston push rod 9 is pushed to inject the perfusion fluid into the areas of the posterior chamber 106 and the vitreous cavity 108, even if the viscoelastic agent remained in the needle body 1 can not generate any influence (the viscoelastic agent can be absorbed by the eyeball of the human body), the second piston push rod 9 inputs the perfusion fluid in the second cylinder channel 8 into the needle body 1 through the liquid outlet hole 10 and takes away the viscoelastic agent remained in the needle body 1, the perfusion fluid reaches the discharge pipe mouth 31 through the needle body 1, and the injection and filling of the area of the anterior chamber 101 in the eyeball of the patient are realized. Finally, the viscoelastic agent can be mainly filled in the region of the anterior chamber 101 of the eyeball of the patient, and the perfusion fluid can be mainly filled in the regions of the posterior chamber 106 and the vitreous cavity 108 of the eyeball of the patient. In this embodiment, a unidirectional flow valve a may be directly disposed at a position where the first barrel 6 enters the liquid outlet 10 (the unidirectional flow valve a controls the viscoelastic agent in the first barrel 6 to flow out from the first barrel 6 to the liquid outlet 10 and the needle body 1 only in a unidirectional manner, and can also completely prevent the perfusion liquid in the second barrel 8 from flowing into the first barrel 6 through the unidirectional flow valve a), and a unidirectional flow valve B is disposed at a position where the second barrel 8 enters the liquid outlet 10 (the unidirectional flow valve B controls the perfusion liquid in the second barrel 8 to flow out from the second barrel 8 to the liquid outlet 10 and the needle body 1 only in a unidirectional manner, and can also completely prevent the viscoelastic agent in the first barrel 6 from flowing into the second barrel 8 through the unidirectional flow valve B).

When viscoelastic filling agent is injected, the miniature pressure sensor 32 at the front end of the discharge tube opening 31 can measure the intraocular pressure of the area of the anterior chamber 101 of the eyeball of the patient in real time and transmit the intraocular pressure data of the area to the pressure monitor 11 for displaying. When the perfusion fluid is filled, the miniature pressure sensor 32 at the front end of the discharge pipe orifice 31 can measure the intraocular pressure of the area of the posterior chamber 106 and the vitreous cavity 108 of the eyeball of the patient in real time and transmit the intraocular pressure data of the area to the pressure monitor 11 for displaying.

Example two

The difference between this embodiment and the first embodiment is: the pressure monitor 11 is also connected with an air pressure detector 12, and the air pressure detector 12 is added in the embodiment. The utility model discloses a pressure monitor 11 has the display screen, and the display screen can show the pressure condition that miniature pressure sensor 32 surveyed and the pressure condition that air pressure detector 12 surveyed, and air pressure detector 12 is used for monitoring outside air pressure, and pressure monitor 11 is inside to have pressure contrast module, and pressure contrast module compares outside air pressure and intraocular pressure to show the contrast result on pressure monitor 11's display screen. When viscoelastic agent is filled, the miniature pressure sensor 32 at the front end of the discharge pipe orifice 31 can measure the intraocular pressure of the area of the anterior chamber 101 of the eyeball of the patient in real time and transmit the intraocular pressure data of the area to the pressure monitor 11 for displaying; the pressure comparison module in the pressure monitor 11 compares the intraocular pressure measured by the miniature pressure sensor 32 with the external air pressure measured by the air pressure detector 12, and displays the comparison result on the display screen of the pressure monitor 11, so that the doctor can conveniently control the injection amount of the viscoelastic agent. When the perfusion fluid is filled, the miniature pressure sensor 32 at the front end of the discharge pipe orifice 31 can measure the intraocular pressure of the area of the posterior chamber 106 and the vitreous cavity 108 of the eyeball of the patient in real time and transmit the intraocular pressure data of the area to the pressure monitor 11 for displaying; the pressure comparison module in the pressure monitor 11 compares the intraocular pressure measured by the micro pressure sensor 32 with the external air pressure measured by the air pressure detector 12, and displays the comparison result on the display screen of the pressure monitor 11, so that the doctor can conveniently control the injection amount of the perfusion fluid.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides an integrative injector of viscoelastic agent and perfusate is filled in ophthalmic surgery which characterized in that: the syringe comprises a syringe needle body (1) and a double-channel syringe (4), wherein a partition plate (5) is arranged in the middle of a barrel cavity of the double-channel syringe (4), the partition plate (5) divides the barrel cavity of the double-channel syringe (4) into a first barrel channel (6) and a second barrel channel (8), a first piston push rod (7) is movably installed in the first barrel channel (6) in a push-and-pull mode, a second piston push rod (9) is movably installed in the second barrel channel (8) in a push-and-pull mode, a liquid outlet hole (10) is formed in the middle of the front end of the double-channel syringe (4), and the liquid outlet hole (10) is respectively communicated with the first barrel channel (6) and the second barrel channel (8); the syringe needle body (1) comprises a syringe needle tube A (2) and a syringe needle tube B (3) communicated with the syringe needle tube A (2), the rear end part of the syringe needle tube A (2) is provided with an insertion part (21), and the insertion part (21) is inserted in a liquid outlet hole (10) of the double-channel syringe (4) in a sealing way.

2. The ophthalmic surgical integrated injector for filling viscoelastic agents and perfusion fluids of claim 1, wherein: still include pressure monitor (11), syringe needle pipe B (3) tip has discharge pipe mouth (31), be equipped with miniature pressure sensor (32) on discharge pipe mouth (31), syringe needle body (1) pipe wall is equipped with the line along length direction and passes the chamber, be equipped with the signal line that is used for connecting miniature pressure sensor (32) and pressure monitor (11) in the line cavity of passing.

3. The ophthalmic surgical integrated injector for filling viscoelastic agents and perfusion fluid of claim 2, wherein: the syringe needle tube A (2) and the syringe needle tube B (3) form an included angle, the miniature pressure sensor (32) is in a cylinder shape, the miniature pressure sensor (32) is fixedly arranged at the end part of the discharge pipe opening (31), and a cylinder cavity of the miniature pressure sensor (32), a tube cavity of the syringe needle tube B (3) and a tube cavity of the syringe needle tube A (2) are sequentially communicated.

4. The ophthalmic surgical integrated injector for filling viscoelastic agents and perfusion fluid of claim 2, wherein: the pressure monitor (11) is also connected with an air pressure detector (12).

5. The ophthalmic surgical integrated injector for filling viscoelastic agents and perfusion fluids of claim 1, wherein: be equipped with on binary channels cylinder (4) and annotate liquid pipe (13) that are linked together with first barrel road (6), be equipped with pipe valve A on first notes liquid pipe (13).

6. An ophthalmic surgical injector for filling viscoelastic agents and perfusion fluids according to claim 1 or 5, characterized in that: and a second liquid injection pipe (14) communicated with the second cylinder channel (8) is arranged on the double-channel cylinder (4), and a pipe valve B is arranged on the second liquid injection pipe (14).

7. The ophthalmic surgical integrated injector for filling viscoelastic agents and perfusion fluids of claim 1, wherein: the device also comprises a sealing plug (15), wherein the sealing plug (15) is matched with the liquid outlet hole (10) of the double-channel needle cylinder (4).

8. The ophthalmic surgical integrated injector for filling viscoelastic agents and perfusion fluids of claim 1, wherein: the insertion part (21) is in threaded connection with the liquid outlet hole (10) of the double-channel needle cylinder (4).

9. The ophthalmic surgical integrated injector for filling viscoelastic agents and perfusion fluids of claim 1, wherein: first piston push rod (7) include piston A and be connected fixed push rod A with piston A, piston A cooperation is arranged in first cylinder way (6), push rod A end fixing has the handle A that pushes away of arranging binary channels cylinder (4) rear end outside in.

10. The ophthalmic surgical integrated injector for filling viscoelastic agents and perfusion fluids of claim 1, wherein: second piston push rod (9) include piston B and be connected fixed push rod B with piston B, piston B cooperates and arranges second cylinder way (8) in, push rod B end fixing has the handle B that pushes away of arranging in the outside binary channels cylinder (4) rear end in the push rod B tip.

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