Gas-liquid exchange device

Abstract

The utility model relates to the technical field of medical equipment, in particular to a gas-liquid exchange device which comprises a three-way pipe, a needle head, a suction pipe, an illuminator, a power line and a light guide fiber, and the needle head is sleeved on a left channel of the three-way pipe. The lighting lamp and the gas-liquid exchange device are converged to one outlet, gas-liquid exchange and lighting in the glass cavity can be achieved only through one incision in the operation process, a channel can be reserved for an operator in the gas-liquid exchange process, and another instrument can extend into the eye to achieve the purpose of lighting. In a silicone oil extraction operation, complete gas-liquid exchange can be carried out while good illumination is carried out by virtue of only one operation incision, so that emulsified oil drops are completely replaced, the operation time is shortened, the wound of the operation is reduced, and the operation efficiency is improved. Therefore, the postoperative inflammatory response of the affected eye is relieved, the surgical curative effect is improved, and the postoperative infection risk and discomfort of a patient are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field especially, and it is a kind of gas-liquid exchange device. BACKGROUND

[0002] Vitrectomy is the common operation of fundus surgery, and gas-liquid exchange device is the necessary equipment for vitrectomy. It is used for gas and liquid exchange in the surgery of fundus diseases such as vitreous hemorrhage and retinal detachment. In the process of macular hole surgery, the gas-liquid exchange often causes the displacement of the graft during the process of macular internal limiting membrane inversion covering or amniotic membrane and retina transplantation. In the process of silicone oil removal surgery, the absorption of residual silicone oil droplets is a research topic. Some surgeons use three incisions to replace the silicone oil droplets completely, which increases the surgical trauma, prolongs the operation time, increases the postoperative inflammatory reaction and the risk of postoperative infection. Therefore, a gas-liquid exchange device is designed to solve the above problems. SUMMARY

[0003] In view of the defects in the prior art, the gas-liquid exchange device provided by the utility model can eliminate the special incision of the illuminating lamp, relieve the discomfort of the patient while shortening the operation time, increase the success rate of the operation, speed up the recovery time of the incision after the operation, reduce the risk of postoperative eye infection, and can also adjust the brightness in the glass cavity during the operation process at any time, so it is high in practicability.

[0004] To solve the above technical problems, the utility model provides the following technical scheme:

[0005] A gas-liquid exchange device, comprising a tee, a needle, a suction tube, an illuminator, a power cord and a light guide fiber, the needle is sleeved and arranged on the left side channel of the tee, the suction tube is sleeved and arranged on the bottom channel of the tee, the illuminator is installed on the right side channel of the tee, the power cord is electrically connected to the illuminator, and the light emitting end of the illuminator is provided with the light guide fiber.

[0006] Further, the other end of the suction tube is connected with the negative pressure tube of the vitrectomy machine.

[0007] Further, a pipeline clamp is arranged through the suction tube, and the pipeline clamp is a transfusion hose roller clamp.

[0008] Further, the length of the light guide fiber is greater than the distance between the left and right two connecting channels of the tee, and the diameter of the light guide fiber is less than the inner diameter of the needle, and the light guide fiber extends into the needle.

[0009] Further, a resistance switch is embedded on the outside surface of the illuminator.

[0010] Further, the right side channel of the tee pipe is provided with external threads, and the light emitting end of the illuminator is provided with a connecting sleeve, and the connecting sleeve is provided with internal threads.

[0011] Further, the external threads are matched with the internal threads, and the connecting sleeve is threadedly connected to the external threads of the right side channel of the tee pipe through the internal threads.

[0012] From the above technical solution, the beneficial effects of the utility model are:

[0013] The utility model discloses a lighting lamp and gas-liquid exchange device converge to an outlet, in the surgical process, only one incision is used to realize gas-liquid exchange and intraocular illumination.

[0014] The utility model can reserve a channel for the operator in the gas-liquid exchange process, can extend into another instrument in the eye, helps the gas-liquid exchange process to be flat and to fix the macular area inner limiting membrane or other graft (macular hole patient), prevents displacement, and in the silicone oil extraction operation, can only be assisted by one surgical incision to carry out complete gas-liquid exchange under good illumination to replace emulsified oil drop thoroughly, shorten the operation time, reduce the trauma of operation, thereby also alleviate the postoperative inflammatory reaction of the affected eye, improve the operation curative effect, reduce the risk and discomfort of postoperative infection of the patient. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiment or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, various elements or parts are not necessarily drawn according to the actual proportion.

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the structure schematic diagram of the utility model in the light guide fiber;

[0018] Figure 3 It is the structure schematic diagram of the utility model in the illuminator;

[0019] Figure 4 It is the structure schematic diagram of the utility model in the tee pipe.

[0020] Reference signs:

[0021] 1, tee pipe; 101, external threads; 2, needle; 3, suction pipe; 4, pipe clamp; 5, illuminator; 501, resistance switch; 502, connecting sleeve; 503, internal threads; 6, power cord; 7, light guide fiber. DETAILED DESCRIPTION

[0022] The embodiments of the technical scheme of the utility model will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the utility model, and therefore only serve as examples, and cannot limit the protection scope of the utility model.

[0023] Referring to Figures 1-4 : a gas-liquid exchange device, including three-way pipe 1, needle 2, suction pipe 3, illuminator 5, power cord 6 and light guide fiber 7, the left channel of three-way pipe 1 is provided with needle 2, needle 2 is 20G, adopts titanium alloy, the bottom channel of three-way pipe 1 is provided with suction pipe 3, the right channel of three-way pipe 1 is installed with illuminator 5, illuminator 5 is electrically connected with power cord 6, the right end of power cord 6 is electrically connected with power supply (not shown in the figure), the light-emitting end of illuminator 5 is provided with light guide fiber 7.

[0024] The illuminating lamp and the gas-liquid exchange device of the device converge to an outlet, and during the operation, only one incision is used to realize gas-liquid exchange and illumination in the glass cavity.

[0025] In the embodiment, the other end of the suction pipe 3 is connected with the negative pressure pipe of the vitreous cutting machine, and the suction pipe 3 generates adsorption force through the negative pressure generated by the vitreous cutting machine, so as to realize the effect of suction.

[0026] In the embodiment, the pipeline clamp 4 is provided on the suction pipe 3, and the pipeline clamp 4 is a transfusion hose roller clamp, which facilitates adjusting the suction rate of the suction pipe 3 through the pipeline clamp 4.

[0027] In the embodiment, the length of the light guide fiber 7 is greater than the distance between the two connecting channels of the three-way pipe 1, and the diameter of the light guide fiber 7 is less than the inner diameter of the needle 2, and the light guide fiber 7 extends into the needle 2, so that the light generated at the end of the light guide fiber 7 can be emitted from the end of the needle 2, and the illumination in the glass cavity is realized.

[0028] In the embodiment, the resistance switch 501 is embedded on the outer surface of the illuminator 5, which facilitates adjusting the brightness of the emitted light of the illuminator 5 through the resistance switch 501, and increases the adaptability of use.

[0029] In the embodiment, the right channel of the three-way pipe 1 is provided with external threads 101, and the light-emitting end of the illuminator 5 is provided with a connecting sleeve 502, and the connecting sleeve 502 is provided with internal threads 503.

[0030] In the embodiment, the external threads 101 are matched with the internal threads 503, and the connecting sleeve 502 is screw-connected to the external threads 101 of the right channel of the three-way pipe 1 through the internal threads 503, which increases the stability of the connection between the illuminator 5 and the three-way pipe 1.

[0031] The device can reserve a channel for the operator in the gas-liquid exchange process, can extend into the eye another instrument, help the gas-liquid exchange process to flatten the retina, fix the internal limiting membrane in the macular area or other grafts (patients with macular hole), prevent displacement, and in the silicone oil extraction surgery, can only rely on one surgical incision to perform complete gas-liquid exchange under good illumination to completely replace the emulsified oil droplets, shorten the operation time, reduce the trauma of the operation, so as to also reduce the postoperative inflammatory reaction of the affected eye, improve the operation effect, and reduce the risk of postoperative infection and discomfort of the patient.

[0032] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and the specification of the present application.

Claims

1. A gas-liquid exchange device, characterized by, Including three -way pipe (1), needle (2), suction pipe (3), illuminator (5), power cord (6) and light guide fiber (7), the left channel of three -way pipe (1) is provided with needle (2) on the sleeve, the bottom channel of three -way pipe (1) is provided with suction pipe (3) on the sleeve, the right channel of three -way pipe (1) is provided with illuminator (5), the illuminator (5) is electrically connected with power cord (6), the light emitting end of illuminator (5) is provided with light guide fiber (7).

2. A gas-liquid exchange device according to claim 1, wherein: The other end of the suction pipe (3) is connected with the negative pressure pipe of the vitreous cutter.

3. A gas-liquid exchange device according to claim 2, wherein: The pipeline clamp (4) is provided on the suction pipe (3), and the pipeline clamp (4) is an infusion hose roller clamp.

4. A gas-liquid exchange device according to claim 1, wherein: The length of the light guide fiber (7) is greater than the distance between the two connecting channels of the three -way pipe (1), and the diameter of the light guide fiber (7) is less than the inner diameter of the needle (2), and the light guide fiber (7) extends into the needle (2).

5. A gas-liquid exchange device according to claim 1, wherein: The outer surface of the illuminator (5) is embedded with a resistance switch (501).

6. A gas-liquid exchange device according to claim 1, wherein: The right channel of the three -way pipe (1) is provided with an external thread (101), and the light emitting end of the illuminator (5) is provided with a connecting sleeve (502), and the connecting sleeve (502) is provided with an internal thread (503) in the connecting sleeve (502).

7. A gas-liquid exchange device according to claim 6, wherein: The external thread (101) is matched with the internal thread (503), and the connecting sleeve (502) is screwed on the external thread (101) of the right channel of the three -way pipe (1) through the internal thread (503).

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