CN117481903A - Multifunctional excision device for cataract operation - Google Patents

Abstract

The invention relates to a multifunctional excision device for cataract surgery, belongs to the technical field of medical appliances, and solves the problems that in the prior art, equipment needs to be frequently replaced in the cataract excision surgery process, the operation is complex, and the infection probability is increased. The invention comprises the following steps: a cutter assembly, an injection assembly, and a vibration absorbing assembly; the injection assembly comprises: a medicine bin, a sealing piston and a medicine pushing button; the medicine bin is communicated with the internal channel of the cutter component, and the medicine pushing button is arranged on the shell, so that the medicine liquid can flow out from the internal channel; the vibration absorbing assembly includes: a vibration absorbing pipe, a vibration module and an external absorbing pipe; the vibration module drives the vibration absorbing pipe to vibrate; the vibration sucking pipe is communicated with the external sucking pipe, and the external sucking pipe is used for connecting a medical aspirator; the invention can be used for realizing excision and aspiration of cataract disease.

Description

Multifunctional excision device for cataract operation

Technical Field

The invention relates to the technical field of medical appliances, in particular to a multifunctional excision device for cataract surgery.

Background

Cataract is a common ophthalmic disease and is generally treated clinically by cataract ultrasonic surgery. Current cataract extraction core procedures include incision, injection, capsulorhexis, nucleus split, and phacoemulsification. The surgical instruments needed in the process include a surgical knife, surgical forceps, a syringe, a phacoemulsifier and the like, and the efficiency is reduced and the probability of infection is increased when the surgical instruments are exchanged for a plurality of times.

Meanwhile, in the phacoemulsification procedure, various surgical instruments are required, and frequent switching of the surgical instruments causes the viscoelastic injected in advance to flow out of the incision. During the operation, the viscoelastic agent needs to be continuously supplemented, and the intraocular pressure is increased due to the side effect of excessive viscoelastic agent, so that the postoperative recovery is negatively influenced. In addition, in order to avoid sequelae caused by proliferation of epithelial cells, it is necessary to inject a bactericidal drug under the capsule in the eye.

At present, various surgical instruments in the operation are different in labor division, and the use scene of each surgical instrument is single. The instrument replacement times in the operation are more, and the operation efficiency is affected. Therefore, there is a need for a device that reduces the difficulty of surgical procedures, reduces the number of surgical instrument exchanges, and delivers medication accurately and smoothly.

Disclosure of Invention

In view of the above analysis, the present invention aims to provide a multifunctional excision device for cataract surgery, which is used for solving the problems of complicated operation and increased infection probability of frequent replacement of equipment in cataract excision surgery in the prior art.

The aim of the invention is mainly realized by the following technical scheme:

a multi-functional resection device for cataract surgery, comprising: the device comprises a cutter assembly, an injection assembly, a vibration absorbing assembly and a shell;

an internal passage is formed in the cutter component;

the injection assembly comprises: a medicine bin, a sealing piston and a medicine pushing button;

one end of the medicine bin is communicated with the internal channel of the cutter assembly, and the other end of the medicine bin is sealed by a sealing piston; the medicine bin is used for storing medicine liquid, the medicine pushing button is used for pushing the sealing piston to displace in the medicine bin, and then the medicine liquid can flow out of the internal channel;

the vibration absorbing assembly includes: a vibration absorbing pipe, a vibration module and an external absorbing pipe; the vibration module is used for driving the vibration absorbing pipe to vibrate; the vibration absorbing pipe penetrates through the shell.

Further, the end of the cutter component is provided with a medicine outlet.

Further, the outer suction tube is provided outside the housing and is used for connecting a medical aspirator.

Further, a storage bin for storing the resected substance is arranged inside the shell, the vibration absorbing pipe is communicated with the storage bin through an absorbing hose, and the storage bin is simultaneously communicated with the outer absorbing pipe.

Further, a medical filter is arranged at the joint of the storage bin and the external sucking pipe; the medical filter is used for preventing the resected substance from entering the outer aspiration tube.

Further, the medical filter is configured to prevent the resected material from entering the outer aspiration tube.

Further, a linear chute parallel to the drug bin is arranged on the shell.

Further, the medicine pushing button is slidably arranged in the linear chute and is positioned outside the shell.

Further, the medicine pushing button is fixedly connected with the sealing piston through an L-shaped bracket.

Further, the L-shaped bracket penetrates through the shell, one end of the L-shaped bracket is connected with an external medicine pushing button, and the other end of the L-shaped bracket is connected with a sealing piston.

In particular, the cutter assembly comprises two first and second cutters side by side; the clamping button is fixedly arranged above the first cutter, and the first cutter and the second cutter can be used as tweezers by pressing the clamping button.

Specifically, one end of the medicine bin, which is communicated with the internal channel, is provided with a medical one-way valve.

Specifically, the first cutter includes: a first cutter head and a first cutter bar; the second cutter includes: a second cutter head and a second cutter bar; and the first cutter head and the second cutter head are respectively provided with a cutter edge.

Specifically, the first cutter bar and the second cutter bar penetrate through the shell; the first cutter bar and the second cutter bar are respectively provided with a first cutter head and a second cutter head at one end of the first cutter bar and one end of the second cutter bar, which extend out of the shell.

Specifically, the internal passage is provided inside the first cutter bar and/or the second cutter bar; one end of the first cutter bar and/or the second cutter bar extending into the shell is communicated with the medicine bin through the internal channel.

Specifically, a medicine outlet is formed in the first cutter head and/or the second cutter head; the medicine outlet is communicated with the internal channel of the first cutter bar and/or the second cutter bar.

Further, the portion of the cutter assembly extending from the housing is longer than the portion of the vibration absorbing tube extending from the housing; one end of the vibration absorbing pipe extending out of the shell is detachably provided with a vibration rod and/or an absorbing pipe; the vibration rod or draft tube is longer than the cutter assembly when the vibration rod or draft tube is mounted to the vibration draft tube.

Specifically, one end of the vibration rod is connected with the vibration absorbing pipe, and the other end of the vibration rod is provided with a spherical vibration part. Further, an aspiration channel is arranged inside the vibrating rod.

Further, the vibration module is arranged inside the shell, and the output end of the vibration module is fixedly connected with the part of the vibration absorbing pipe extending into the shell.

The technical scheme of the invention can at least realize one of the following effects:

1. the multifunctional excision device for cataract surgery adopts the first cutter head and the second cutter head which are arranged in parallel as surgical cutters, and can be used for nucleus splitting of cataract patients; and, the first cutting edge and the second cutting edge of two tool bits can regard as tweezers centre gripping eyeball envelope, and the structure of cutting edge about the tweezers adopts has the blade grip and is big, tears the meticulous, stable characteristics of bag, is applicable to clockwise or anticlockwise two-way bag tearing, has promoted the manipulation performance when tearing the bag.

2. The multifunctional excision device for cataract surgery is provided with the vibration absorbing pipe connected with the vibration rod, so that the split crystalline lens can be smashed, the fuzzy crystalline lens is sucked out through the vibration absorbing pipe, the sucked fuzzy crystalline lens enters the storage bin and cannot enter the outer absorbing pipe due to the blocking of the medical filter, and the pollution of an external medical aspirator can be avoided.

3. According to the multifunctional excision device for cataract surgery, the inner channel is arranged in the cutter and is communicated with the medicine bin, when medicine needs to be injected after the patient is excised, the medicine pushing button can be used for pushing the sealing piston, so that medicine liquid in the medicine bin flows out, and then the medicine liquid is injected into eyes after surgery through the medicine outlet of the first cutter head and the second cutter head.

4. The existing administration mode is not usually injected below the capsule, and as the capsule can be adsorbed on a new intraocular lens, and the medicine is easily flushed by tears and discharged from the eyes, the sterilization effect is affected, and the infection probability is increased. By adopting the surgical equipment for injection, the liquid medicine can be injected under the cyst membrane, so that the safety and success rate of the operation are improved, and the occurrence probability of postoperative sequelae can be reduced.

In the invention, the technical schemes can be mutually combined to realize more preferable combination schemes. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, like reference numerals being used to refer to like parts throughout the several views.

FIG. 1 is a schematic view of the construction of a multifunctional cutting device for cataract surgery of the present invention;

FIG. 2 is a schematic view showing the internal structure of the multifunctional cutting device for cataract surgery of the present invention;

FIG. 3 is a schematic view showing the installation of a vibrating rod of the multifunctional cutting device for cataract surgery according to the present invention;

FIG. 4 is a schematic view showing the installation state of the draft tube of the multifunctional cutting apparatus for cataract surgery according to the present invention;

FIG. 5 is a schematic view of the cutter assembly of the multifunctional cutting device for cataract surgery of the present invention;

fig. 6 is a schematic view of the bending cutter assembly of the multifunctional cutting device for cataract surgery of the present invention.

Reference numerals:

1-a cutter assembly; 101-a first cutter head; 102-a second cutter head; 103—a first cutter bar; 104-a second cutter bar; 105-a medicine outlet; 2-a cutter bar sleeve; 201-a straight pipe section; 202-bending sections; 3-vibration absorbing tube; 4-a clamping button; 5-push button; 6-a linear chute; 7-a housing; 8-an outer suction tube; 9-a vibrating bar; 10-a draft tube; 11-a vibration module; 12-sucking out the hose; 13-a storage bin; 14-a drug bin; 15-sealing the piston; 16-a medical check valve; 17-medical filter.

Detailed Description

The following detailed description of preferred embodiments of the invention is made in connection with the accompanying drawings, which form a part hereof, and together with the description of the embodiments of the invention, are used to explain the principles of the invention and are not intended to limit the scope of the invention.

Example 1

In one embodiment of the present invention, a multifunctional ablation device for cataract surgery is disclosed, as shown in fig. 1 and 2, comprising: a cutter assembly 1, an injection assembly, a vibration absorbing assembly and a housing 7.

The following sequentially describes several components of the present invention:

(I) Cutter assembly 1:

in the present invention, the cutter assembly 1 is used as a scalpel for making incisions, capsulorhexis and nucleus cleavage (lens) in cataract extraction surgery; the vibration absorbing component is used for further vibrating and crushing the crushed lens, and then is connected with the medical aspirator to absorb the crushed lens; the injection component is used for injecting the medicament into the postoperative disease body position, so that bacterial infection is prevented, and sequelae caused by proliferation of epithelial cells are avoided.

As shown in fig. 1 and 5, the cutter assembly 1 comprises two first and second cutters side by side; the clamping button 4 is fixedly arranged above the first cutter, and the first cutter and the second cutter can be used as tweezers by pressing the clamping button 4.

Specifically, as shown in fig. 1 and fig. 2, the first cutter is fixedly connected with the clamping button 4, the clamping button 4 can be displaced to drive the first cutter to deform, the clamping button 4 protrudes out of the surface of the shell 7, the clamping button 4 can be pressed down to deform the first cutter, and then the first cutter head 101 at the end part of the first cutter is close to the second cutter head 102 at the end part of the second cutter, so that the clamping of the capsule or the broken lens is realized through the first cutter head 101 and the second cutter head 102; the knife assembly 1 and the clamping button 4 are arranged, so that the knife assembly 1 can be used as forceps to clamp the capsulorhexis to be torn, namely, the knife assembly 1 has the functions of a surgical knife and forceps at the same time.

Specifically, the grip button 4 is slidably mounted on the housing 7 with the sliding direction perpendicular to the prop assembly; pressing the grip button 4 to displace it inwardly relative to the housing 7 can depress the first knife to reduce the distance between the first knife and the second knife, at which point the knife assembly 1 can be used as forceps.

In one embodiment of the present invention, the first tool includes: a first cutter head 101 and a first cutter bar 103; the second cutter includes: a second tool tip 102 and a second tool shank 104; the first cutter head 101 and the second cutter head 102 are respectively provided with a cutter edge.

In a specific implementation of the present invention, the first cutter bar 103 and the second cutter bar 104 are parallel to each other; the first cutter bar 103 can be caused to deform by pressing the clamping button 4, so that the tweezers function of the cutter assembly 1 is realized; as shown in fig. 1 and 2.

Alternatively, in another embodiment of the present invention, the first cutter bar 103 and the second cutter bar 104 are disposed at an included angle of 0 ° -15 °; i.e. the first cutter bar 103 and the second cutter bar 104 are spaced apart from the end to which the cutter head is connected, less than the end to which the cartridge 14 is connected (not shown).

When the first cutter bar 103 and the second cutter bar 104 form a certain included angle, the clamping button 4 is pressed down to drive the first cutter bar 103 to bend and deform, so that a lever effect can be formed, the displacement of the first cutter head 101 to the second cutter head 102 is larger than the pressing-down amount of the clamping button 4, and the tweezers function of the cutter assembly 1 is further realized.

Further, as shown in fig. 1, the first cutter bar 103 and the second cutter bar 104 are externally covered with a cutter bar sleeve 2; the cutter bar sleeve 2 is of a circular or oval tubular structure, and the cutter bar sleeve 2 and the shell 7 are fixed into a whole.

In the present embodiment, the clamping and releasing operations of the first cutter head 101 and the second cutter head 102 to the capsule are achieved by pressing and releasing the clamping button 4.

(II) an injection assembly:

the injection assembly comprises: a medicine bin 14, a sealing piston 15 and a medicine pushing button 5; one end of the medicine bin 14 is communicated with the internal channel of the cutter assembly 1, and the other end of the medicine bin is sealed by a sealing piston 15; the medicine compartment 14 is used for storing medicine liquid, and the medicine liquid can flow out from the internal channel; one end of the medicine bin 14, which is communicated with the internal channel, is provided with a medical one-way valve 16; the medicine push button 5 is slidably mounted on the housing 7 and fixedly connected with the sealing piston 15.

When the medicine pushing button 5 slides along the shell 7, the sealing piston 15 can be pushed to slide in the medicine bin 14, so that medicine liquid is pushed out of the medicine bin 14, flows out of the medicine check valve 16 into the internal channels of the first cutter bar 103 and the second cutter bar 104, and flows out of the medicine outlet 105, and the injection medicine feeding is realized.

In particular, as shown in fig. 1 and 2, the housing 7 is provided with a linear chute 6 parallel to the drug cartridge 14; the medicine pushing button 5 is slidably installed in the linear chute 6 and is fixedly connected with the sealing piston 15 through an L-shaped bracket.

Specifically, one end of the L-shaped bracket is fixedly connected with the sealing piston 15, and the other end of the L-shaped bracket passes through the linear chute 6 and is fixedly connected with the medicine pushing button 5; as shown in fig. 2.

In particular, the medical check valve 16 is capable of allowing the flow of medical fluid from the medical cartridge 14 to the internal passages of the first and second cutter bars 103, 104 without reversing the flow.

Further, since the medical check valve 16 has a certain opening pressure, that is, the medical check valve 16 is opened after the pressure reaches the threshold value, and the medical check valve 16 is closed when the pressure is smaller than the threshold value; therefore, the medical check valve 16 has the function of limiting the free outflow of the liquid medicine, the opening pressure of the medical check valve 16 needs to be overcome when the push button 5 pushes the liquid medicine to flow out of the medical check valve 16 when the pushing force applied to the push button 5 is large enough, so as to prevent the liquid medicine from flowing out due to the false touch.

In the invention, the medical one-way valve 16 and the sealing piston 15 jointly act to seal the liquid medicine in the medicine bin 14, and the opening pressure of the medical one-way valve 16 is reasonably selected, so that medical staff can more conveniently control the outflow speed of the liquid medicine. The medical check valve 16 can reduce the injection speed, thereby achieving the effect of stable injection, and avoiding the impact of the medicine on the eye wound during the operation.

In one embodiment of the present invention, the first cutter bar 103 and the second cutter bar 104 are each provided with an internal channel, and the first cutter bar 103 and the second cutter bar 104 are communicated with the medicine cartridge 14 through the internal channels, as shown in fig. 2.

Specifically, the first cutter bar 103 and the second cutter bar 104 penetrate the housing 7; the first cutter bar 103 and the second cutter bar 104 are respectively provided with a first cutter head 101 and a second cutter head 102 at the ends of the first cutter bar and the second cutter bar 104 extending out of the housing 7. And, the ends of the first cutter bar 103 and the second cutter bar 104 extending into the housing 7 communicate with the medicine cartridge 14, as shown in fig. 2.

In one embodiment of the present invention, the first cutter head 101 and the second cutter head 102 are provided with a medicine outlet 105; the drug outlet 105 communicates with the internal passage. When in use, the medicine pushing button 5 is pushed to slide, and the medicine liquid flows out from the medicine outlet 105.

In one embodiment of the present invention, the first cutter bar 103 and the second cutter bar 104 are both linear; correspondingly, the cutter bar sleeve 2 is also a straight tube. Alternatively, the first cutter bar 103 and the second cutter bar 104 are of a bending structure; correspondingly, the cutter bar sleeve 2 is also of a bending structure. Specifically, as shown in fig. 6, the cutter bar sleeve 2 includes a straight tube section 201 and a bent section 202; the straight pipe section 201 and the bending section 202 are arranged at an obtuse angle; when the cutter component 1 adopts a bending type structure, the cutter head can be eccentrically arranged relative to the equipment main body, so that the cutting position can be conveniently observed in the operation process.

(III) vibration absorbing assembly:

the vibration absorbing assembly includes: a vibration absorbing pipe 3, a vibration module 11 and an outer absorbing pipe 8; the vibration module 11 is used for driving the vibration absorbing pipe 3 to vibrate; the vibration absorbing pipe 3 penetrates through the shell 7 and is communicated with the outer absorbing pipe 8; the outer suction tube 8 is arranged outside the housing 7 and is used for connecting a medical aspirator.

Further, a control button is provided on the housing 7, and is electrically connected to the vibration module 11 as a switch of the vibration module 11 for effecting control of starting and stopping of the vibration module 11.

Specifically, the vibration module 11 and the control button can be installed by selecting existing mature products, and the structural principles of the vibration module 11 and the control button are not repeated in the invention.

Specifically, the vibration absorbing pipes 3 are juxtaposed on one side of the cutter assembly 1 as shown in fig. 1.

In one embodiment of the present invention, as shown in fig. 2, a storage bin 13 for storing the resected material is provided inside the housing 7, the vibration absorbing tube 3 is communicated with the storage bin 13 through an absorbing hose 12, and the storage bin 13 is simultaneously communicated with the outer absorbing tube 8.

In one embodiment of the present invention, as shown in fig. 2, a medical filter 17 is disposed at the connection between the storage bin 13 and the outer suction tube 8, and the medical filter 17 is used for preventing the resected material from entering the outer suction tube 8.

In practice, after the outer suction tube 8 is connected with the medical aspirator, the crushed lens can be sucked out by the vibration suction tube 3 and then enters the storage bin 13 for storage through the suction hose 12, and the sucked out substances cannot enter the outer suction tube 8 due to the medical filter 17, and the outer suction tube 8 and the external medical aspirator are only used for providing negative pressure for sucking out the crushed lens.

In the invention, the medical filter 17 is arranged to prevent the resected substances from entering the medical aspirator, thereby avoiding the pollution to the medical aspirator.

Further, to avoid interference between the cutter assembly 1 and the vibration absorbing assembly affecting the operation of the procedure.

In one embodiment of the present invention, the portion of the cutter assembly 1 extending from the housing 7 is longer than the portion of the vibration absorbing tube 3 extending from the housing 7; one end of the vibration absorbing pipe 3 extending out of the shell 7 is detachably provided with a vibration rod 9 or a suction pipe 10; when the vibration rod 9 or the draft tube 10 is mounted to the vibration draft tube 3, the vibration rod 9 or the draft tube 10 is longer than the cutter assembly 1.

In one embodiment of the present invention, as shown in fig. 3, one end of the vibration rod 9 is connected to the vibration absorbing pipe 3, and the other end is provided with a ball-type vibration part. When the vibration module 11 is used, the vibration absorbing tube 3 and the vibration rod 9 are driven to vibrate synchronously, and then the diseased lens can be vibrated, emulsified and crushed.

Further, an aspiration channel is provided inside the vibration rod 9, so that the patient tissue after vibration and emulsification can be aspirated. Specifically, be provided with the suction outlet on ball-type vibrating portion, suction outlet and suction channel intercommunication, the pathological change crystalline lens after smashing the emulsification can be inhaled the suction channel by the suction outlet, and then realizes sucking away while vibrating, perhaps is accomplished vibrating the crystalline lens and is smashed the back and inhale the removal through the suction outlet.

In another embodiment of the present invention, as shown in fig. 4, the suction tube 10 is connected to the vibration absorbing tube 3, and when the vibration module 11 drives the vibration absorbing tube 3 to vibrate, the suction tube 10 can vibrate synchronously, so that the lens can be absorbed while vibrating, or the lens can be absorbed after being crushed by vibrating.

In the invention, when the vibrating rod 9 is a solid rod, the suction pipe 10 needs to be replaced and installed for the operation of sucking the patient; vibration emulsification and suction are performed using a vibration rod 9 and a suction pipe 10, respectively. When the suction passage is provided in the vibration lever 9, the vibration lever 9 can be used as the suction pipe 10, and the suction pipe 10 may not be provided at this time, and the vibration lever 9 and the suction pipe 10 are the same member.

Further, the vibration rod 9 or the draft tube 10 is mounted in the following manner:

in a specific embodiment of the invention, the end part of the vibration absorbing pipe 3 is provided with external threads, the end parts of the vibration rod 9 and the absorbing pipe 10 are provided with internal threads, and the vibration rod 9 or the absorbing pipe 10 is screwed on the external threads of the vibration absorbing pipe 3 through the internal threads, so that the vibration rod and the absorbing pipe are connected.

Or the vibration rod 9 or the suction pipe 10 is connected with the vibration absorbing pipe 3 through the plug connection; specifically, the inner surface of the vibration absorbing pipe 3 is provided with a linear groove extending along the axis of the vibration absorbing pipe, the outer surface of the vibration rod 9 or the absorbing pipe 10 is provided with a linear projection extending along the axis of the vibration absorbing pipe, and when the vibration rod 9 or the absorbing pipe 10 is inserted into the vibration absorbing pipe 3, the linear projection can be clamped into the linear groove to realize the insertion and fixation of the vibration rod 9 or the absorbing pipe 10 and the vibration absorbing pipe.

Example 2

In a specific embodiment of the present invention, an optimization design is performed based on embodiment 1:

in this embodiment, in order to avoid interference of the vibration absorbing tube 3 with the operation when the cutter assembly 1 is used for nucleus-cleaving or lens-cutting, the cutter assembly 1 and the vibration absorbing tube 3 are respectively provided at both ends (not shown in the drawing) of the housing 7.

In this embodiment, the cutter assembly 1 is used for nucleus chopping, lens chopping and medicine feeding, and the vibration sucking tube 3 is used for vibration crushing and negative pressure sucking of the diseased lens.

Further, the outer suction pipe 8 is arranged on the side face of the shell 7 and is positioned in the middle part, so that the influence of the outer suction pipe 8 on the operation process is avoided.

Notably, are: the structural schematic drawing of the surgical device of the present invention is given in the accompanying drawings for illustrating the structural composition and principles of the present invention, and not to represent specific dimensions and proportions thereof. In addition, the use of the multifunctional cutting device for cataract surgery according to the present invention in the embodiments of the present invention is merely used to describe the operation of the surgical device according to the present invention, and is not intended to limit the scope of the present invention or to be the subject matter of the present invention.

Compared with the prior art, the technical scheme provided by the embodiment has at least one of the following beneficial effects:

1. the multifunctional excision device for cataract surgery is provided with two parallel cutters, and the two cutters are mutually close to each other under the action of the pressing down of the clamping button 4 and can be used as forceps, so that the capsulorhexis operation is realized; the cutter is provided with a cutting edge, and has the function of splitting a core; the tool bits of the two cutters are provided with the medicine outlet 105, the medicine outlet 105 is communicated with the medicine bin 14 through the internal channel of the cutter bar, and can inject the inhibitor medicine into the capsule after the fuzzy lens is sucked, so that the proliferation of epithelial cells is prevented, and the occurrence probability of postoperative complications is reduced.

2. According to the multifunctional excision device for cataract surgery, the one-way valve 16 is arranged at the joint of the medicine bin 14 and the internal channel of the cutter bar, and a doctor can push the sealing piston 15 to slide by pushing the medicine pushing button 5 during medicine feeding, so that medicine liquid is extruded through the one-way valve 16, and the medicine conveying speed and the medicine feeding amount can be regulated by controlling the pushing speed and the pushing distance of the medicine pushing button 5 in the process; the invention sets a manual pushing mode for injecting the medicine, so that the injection process is smoother and more accurate, doctors can observe the medicine feeding condition at any time, the medicine feeding speed and the medicine feeding amount can be adjusted in time, and the safety in the surgical treatment process is ensured.

3. The multifunctional excision device for cataract surgery integrates the functions of capsulorhexis, injection, nucleus cleavage and suction into a whole by integrating and reforming the functions of the existing surgical instrument, reduces the frequency of surgical instrument replacement and reduces the infection caused by frequent instrument replacement.

The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention.

Claims (10)

1. A multi-functional resection device for cataract surgery, comprising: a cutter assembly (1), an injection assembly, a vibration absorbing assembly and a housing (7);

an internal channel is arranged inside the cutter assembly (1);

the injection assembly comprises: a medicine bin (14), a sealing piston (15) and a medicine pushing button (5);

one end of the medicine bin (14) is communicated with the internal channel of the cutter assembly (1), and the other end of the medicine bin is sealed by a sealing piston (15); the medicine bin (14) is used for storing medicine liquid, the medicine pushing button (5) is used for pushing the sealing piston (15) to displace in the medicine bin (14), and then the medicine liquid can flow out of the internal channel;

the vibration absorbing assembly includes: a vibration absorbing pipe (3), a vibration module (11) and an external absorbing pipe (8); the vibration module (11) is used for driving the vibration absorbing pipe (3) to vibrate; the vibration absorbing pipe (3) penetrates through the shell (7).

2. A multifunctional cutting device for cataract surgery according to claim 1, characterized in that the end of the cutter assembly (1) is provided with a drug outlet (105).

3. A multifunctional cutting device for cataract surgery according to claim 2, characterized in that the external suction tube (8) is arranged outside the housing (7) and is used for connection of a medical aspirator.

4. A multifunctional resecting device for cataract surgery according to claim 3, characterized in that a storage bin (13) for storing resected substances is provided inside the housing (7), the vibration aspiration tube (3) is in communication with the storage bin (13) through an aspiration hose (12), the storage bin (13) is in simultaneous communication with the external aspiration tube (8).

5. The multifunctional cutting device for cataract surgery according to claim 4, characterized in that a medical filter (17) is provided at the junction of the storage compartment (13) and the external suction tube (8); the medical filter (17) is used for preventing the resected substance from entering the outer suction tube (8).

6. A multifunctional cutting device for cataract surgery according to claim 5, characterized in that the medical filter (17) is used to prevent the cut-off material from entering the outer aspiration tube (8).

7. A multifunctional cutting device for cataract surgery according to claims 1 to 6, characterized in that the housing (7) is provided with a rectilinear chute (6) parallel to the drug cartridge (14).

8. A multifunctional cutting device for cataract surgery according to claim 7, characterized in that the push button (5) is slidingly mounted in the linear chute (6) and is located outside the housing (7).

9. The device according to claim 8, characterized in that the push button (5) is fixedly connected to the sealing piston (15) by means of an L-shaped bracket.

10. A multifunctional cutting device for cataract surgery according to claim 9, characterized in that the L-shaped support extends through the housing (7), with one end connected to an external push button (5) and the other end connected to a sealing piston (15).