Injection and suction tube for ophthalmic cataract ultrasonic emulsification surgery

Abstract

The utility model discloses an injection-suction tube for ophthalmology cataract ultrasonic emulsification surgery, which comprises an ultrasonic emulsification handle, a conical connecting piece and an injection-suction tube group, the injection-suction tube group consists of an infusion tube and a suction tube, the infusion tube is divided into an outer infusion tube and an inner infusion tube, the outer infusion tube is in threaded connection with the left end of the conical connecting piece, and the suction tube is in threaded connection with the right end of the conical connecting piece. The right end of the conical connecting piece is in threaded connection with the left end of the ultrasonic emulsification handle, the perfusion inner pipe is located in the ultrasonic emulsification handle, the upper side of the ultrasonic emulsification handle is fixedly connected with a first connector, the right side of the ultrasonic emulsification handle is fixedly connected with a second connector, the perfusion pipe is located on the inner side of the suction pipe, and the inner end of the suction pipe is in threaded connection with the inner side of the second connector; and the inner filling pipe is connected with the first connector. By means of the structure, the problems that use is inconvenient, and the injection and suction pipe is difficult to disassemble, assemble and replace are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to an injection and suction tube for ophthalmic cataract phacoemulsification surgery. Background Art

[0002] The number of cataract cases in my country has been increasing year by year. This disease not only causes psychological pain to patients, but also becomes a serious burden on society. Phacoemulsification combined with intraocular lens implantation is the most effective treatment for cataracts. Cataract phacoemulsification technology uses the combined effects of mechanical acceleration, acoustic microflow and cavitation generated by ultrasonic vibration to break up the hard nucleus tissue of the cataract, emulsify it, and remove it through negative pressure suction. During the suction process, an injection tube is required.

[0003] However, during the existing emulsification surgery, the irrigation and suction work requires the use of an irrigation tube and a suction tube, which need to be inserted into the anterior chamber of the eyeball respectively, which is inconvenient to use, and the irrigation and suction tubes are difficult to disassemble and replace. Therefore, an irrigation and suction tube for ophthalmic cataract phacoemulsification surgery is proposed. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides an injection pipette for ophthalmic cataract phacoemulsification surgery, which solves the problem of inconvenience in use.

[0005] The utility model also provides an injection and suction tube for ophthalmic cataract phacoemulsification surgery, comprising: a phacoemulsification handle, a conical connector and an injection and suction tube group, wherein the injection and suction tube group consists of an injection tube and a suction tube, wherein the injection tube is divided into an outer injection tube and an inner injection tube, wherein the outer injection tube is threadedly connected to the left end of the conical connector, and the right end of the conical connector is threadedly connected to the left end of the phacoemulsification handle, and the inner injection tube is located in the phacoemulsification handle, and a first connector is fixedly connected to the upper side of the phacoemulsification handle, and a second connector is fixedly connected to the right side, and the injection tube is located on the inner side of the suction tube, and the inner end of the suction tube is threadedly connected to the inner side of the second connector, and the inner injection tube is connected to the first connector.

[0006] According to the injection and suction tube for ophthalmic cataract phacoemulsification surgery, the injection outer tube is provided with a first internal thread, the inner wall of the left end of the tapered connector is provided with a first external thread, and the first internal thread is adapted to the first external thread.

[0007] According to the injection and suction tube for ophthalmic cataract phacoemulsification surgery, the outer side of the right end of the conical connector is provided with a second internal thread, the inner side of the left end of the phacoemulsification handle is provided with a second external thread, and the second internal thread is adapted to the second external thread.

[0008] According to the injection and suction tube for ophthalmic cataract phacoemulsification surgery, a second internal thread is provided on the outer side of the right end of the conical connector, and a sealing gasket is fixedly connected between the right end of the conical connector and the left end of the phacoemulsification handle.

[0009] According to the injection and suction tube for ophthalmic cataract phacoemulsification surgery, the outer end of the first connector is fixedly connected to a guide tube, and the outer end of the second connector is fixedly connected to a delivery tube.

[0010] According to the injection and suction tube for ophthalmic cataract phacoemulsification surgery, an anti-slip groove is provided on the periphery of the phacoemulsification handle.

[0011] The utility model has the following beneficial effects:

[0012] In the utility model, a conical connector is threadedly connected to the left end of the ultrasonic emulsification handle, and then the perfusion tube is divided into an outer perfusion tube and an inner perfusion tube, and the outer perfusion tube is located in the conical connector, and the inner perfusion tube is located in the ultrasonic emulsification handle, so that the perfusion structure and the suction structure are integrated into one, which is convenient for simultaneous injection and suction work, flexible to use, and the injection and suction tubes are easy to disassemble and replace.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 This is a structural diagram of an injection and suction tube for ophthalmic cataract phacoemulsification surgery according to the utility model;

[0016] Figure 2 This is a cross-sectional view of an injection pipette for ophthalmic cataract phacoemulsification surgery according to the utility model;

[0017] Figure 3 Another structural diagram of an injection and suction tube for ophthalmic cataract phacoemulsification surgery according to the utility model;

[0018] Figure 4 for Figure 3 A magnified view of the structure at center.

[0019] Legend:

[0020] 1. Ultrasonic emulsification handle; 11. First connector; 12. Second connector; 2. Conical connector; 3. Injection and suction tube set; 31. Irrigation tube; 311. Irrigation outer tube; 312. Irrigation inner tube; 32. Suction tube; 4. Flow guide tube; 5. Delivery tube; 6. Anti-slip groove; 71. First internal thread; 72. First external thread; 81. Second internal thread; 82. Second external thread; 9. Sealing pad. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figure 1-4 The utility model embodiment is an injection and suction tube for ophthalmic cataract phacoemulsification surgery, which includes a phacoemulsification handle 1, a conical connector 2 and an injection and suction tube group 3. The outer periphery of the phacoemulsification handle 1 is provided with an anti-slip groove 6 for easy use by the operator. The injection and suction tube group 3 consists of an injection tube 31 and a suction tube 32. The injection tube 31 is divided into an injection outer tube 311 and an injection inner tube 312. The injection outer tube 311 is located in the conical connector 2, and the injection inner tube 312 is located in the phacoemulsification handle 1. The injection outer tube 311 is threadedly connected to the left end of the conical connector 2, and the right end of the conical connector 2 is threadedly connected to the left end of the phacoemulsification handle 1. A sealing pad 9 is fixedly connected between the right end of the conical connector 2 and the left end of the phacoemulsification handle 1.

[0023] The perfusion inner tube 312 is located in the phacoemulsification handle 1, the perfusion outer tube 311 is provided with a first internal thread 71, the inner wall of the left end of the tapered connector 2 is provided with a first external thread 72, the first internal thread 71 is adapted to the first external thread 72, the outer side of the right end of the tapered connector 2 is provided with a second internal thread 81, the inner side of the left end of the phacoemulsification handle 1 is provided with a second external thread 82, the second internal thread 81 is adapted to the second external thread 82, the perfusion structure and the suction structure are integrated into one piece through the threaded connection, which is convenient for simultaneous injection and suction work, flexible to use, and the injection and suction tubes are easy to disassemble and replace;

[0024] A first connector 11 is fixedly connected to the upper side of the ultrasonic emulsification handle 1, and a second connector 12 is fixedly connected to the right side. The irrigation tube 31 is located on the inner side of the suction tube 32. The inner end of the suction tube 32 is threadedly connected to the inner side of the second connector 12. The irrigation inner tube 312 is connected to the first connector 11. The outer end of the first connector 11 is fixedly connected to the guide tube 4, and the outer end of the second connector 12 is fixedly connected to the delivery tube 5.

[0025] Working principle: When in use, connect the drainage tube 4 and the delivery tube 5, then insert the irrigation tube 31 and the suction tube 32 into the anterior chamber of the eyeball, guide the irrigation liquid from the drainage tube 4 into the irrigation tube 31, and make the irrigation liquid flow from the irrigation tube 31 into the anterior chamber of the eyeball. When the irrigation liquid and the emulsified crystalline tissue are mixed, connect the delivery tube 5 to the ultrasonic emulsification device, and use the suction force generated to suck the mixed liquid from the anterior chamber of the eyeball into the suction tube 32, and then guide the irrigation liquid and tissue out through the delivery tube 5 to complete the irrigation and suction work.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An injection pipette for ophthalmic cataract phacoemulsification surgery, characterized in that: include: A phacoemulsification handle (1), a conical connector (2) and an injection and suction tube group (3), wherein the injection and suction tube group (3) is composed of an injection tube (31) and a suction tube (32), wherein the injection tube (31) is divided into an outer injection tube (311) and an inner injection tube (312), wherein the outer injection tube (311) is threadedly connected to the left end of the conical connector (2), and the right end of the conical connector (2) is threadedly connected to the left end of the phacoemulsification handle (1), wherein the inner injection tube (312) is located inside the phacoemulsification handle (1), wherein the upper side of the phacoemulsification handle (1) is fixedly connected to a first connector (11), and the right side of the phacoemulsification handle (1) is fixedly connected to a second connector (12), wherein the injection tube (31) is located inside the suction tube (32), wherein the inner end of the suction tube (32) is threadedly connected to the inner side of the second connector (12), and wherein the inner injection tube (312) is connected to the first connector (11).

2. The infusion tube for ophthalmic cataract phacoemulsification surgery according to claim 1, characterized in that: The perfusion outer tube (311) is provided with a first internal thread (71), and the inner wall of the left end of the tapered connector (2) is provided with a first external thread (72), and the first internal thread (71) is matched with the first external thread (72).

3. The injection and suction tube for ophthalmic cataract phacoemulsification surgery according to claim 2, characterized in that: A second internal thread (81) is provided on the outer side of the right end of the conical connecting piece (2), and a second external thread (82) is provided on the inner side of the left end of the phacoemulsification handle (1), and the second internal thread (81) is matched with the second external thread (82).

4. The infusion tube for ophthalmic cataract phacoemulsification surgery according to claim 3, characterized in that: A sealing pad (9) is fixedly connected between the right end of the conical connecting piece (2) and the left end of the phacoemulsification handle (1).

5. The injection and suction tube for ophthalmic cataract phacoemulsification surgery according to claim 4, characterized in that: The outer end of the first connector (11) is fixedly connected to a flow guide pipe (4), and the outer end of the second connector (12) is fixedly connected to a delivery pipe (5).

6. The injection and suction tube for ophthalmic cataract phacoemulsification surgery according to claim 5, characterized in that: The outer periphery of the phacoemulsification handle (1) is provided with an anti-slip groove (6).

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