CN214104612U

CN214104612U - Simple water filling device for ureter soft lens

Info

Publication number: CN214104612U
Application number: CN202022404110.8U
Authority: CN
Inventors: 叶云翔
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-09-03
Anticipated expiration: 2030-10-26

Abstract

The utility model discloses a simple water-fetching device for a flexible ureteroscope, which comprises a saline bag, a medical Y-shaped tube, a medical transfusion tee joint, an injector and an extension tube, wherein the medical transfusion tee joint comprises a liquid inlet end, a middle end and a liquid outlet end, the saline bag is connected with the liquid inlet end of the medical transfusion tee joint through the medical Y-shaped tube, the liquid outlet end of the medical transfusion tee joint is connected with the extension tube, the extension tube is used for being connected with the flexible ureteroscope, the injector is fixedly arranged at the middle end of the medical transfusion tee joint, an on-off knob is arranged on the medical transfusion tee joint and used for controlling the opening and closing of the liquid inlet end, the middle end and the liquid outlet end, the simple water-fetching device of the utility model can continuously fetch water for the flexible ureteroscope, and keep the clear visual field under the ureteroscope, and need not pass water artificially, and can the accurate control every time beat the water yield and beat the number of times of water, and then effectively improve operation efficiency.

Description

Simple water filling device for ureter soft lens

Technical Field

The utility model relates to a medical equipment technical field especially relates to a simple and easy device of fetching water for ureter soft mirror.

Background

A holmium laser lithotripsy of a flexible ureteroscope is characterized in that a flexible ureteroscope with the diameter of about 2-3mm is inserted into a ureter through a urethra and a bladder, and ureteral stones or kidney stones are broken and taken out. It utilizes the natural urinary system cavity of human body, does not make any incision on the human body, and is a pure urinary surgery endoscopic minimally invasive surgery. Is suitable for various ureteral calculi and partial kidney calculi with ineffective conservative treatment. Compared with open surgery, ureteroscope lithotripsy has the advantages of small injury, light pain, quick recovery and the like.

In the holmium laser lithotripsy of the flexible ureteroscope, water injection operation is needed to balance the pressure of the renal pelvis, and the water injection operation can also provide a clear visual field for the operation so as to facilitate accurate operation; at present, the clinical water injection operation is mainly to inject water through a separate water injection instrument, the connection with the ureteroscope end is unstable during water injection, the water injection is easy to interrupt, the visual field is not clear, and the injected water is easy to flow back; the other mode is that the infusion bag is suspended, water is injected under the action of gravity, the water injection is relatively stable and is not easy to flow back, but a suspension device and the like are required to occupy larger space during water injection, the operation is inconvenient, the water injection continuity is poor, the pressure is insufficient, and bubbles are easy to generate; in addition, the perfusion pump is adopted, but the pressure of the renal pelvis is easily caused to be overhigh, and the perfusion pump has potential safety hazards to patients with poor renal function and causes inconvenience in use.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a simple and easy water installation of beating for ureter soft mirror mainly solves the problem in the background art.

The utility model provides a simple and easy device of fetching water for ureteroscope, including saline bag, medical Y type pipe, medical infusion tee bend, syringe and extension pipe, medical infusion tee bend includes inlet end, middle-end and play liquid end, the saline bag passes through medical Y type pipe with medical infusion tee bend's inlet end is connected, medical infusion tee bend's play liquid end is connected with the extension pipe, the extension pipe is used for being connected with ureteroscope, medical infusion tee bend's middle-end fixed mounting has the syringe, the syringe includes cylinder, push rod and hand (hold), the one end of cylinder is provided with the needle mouth, the needle mouth with medical infusion tee bend's middle-end is connected, slidable mounting has the push rod in the cylinder, the one end that the push rod stretched into the cylinder is provided with the piston, the both sides of cylinder are provided with the handle, be provided with the break-make knob on the medical infusion tee bend, the on-off knob is used for controlling the opening and closing of the liquid inlet end, the middle end and the liquid outlet end.

In a further improvement, the saline bag is 3000ml saline bag, and the syringe is a 50ml syringe.

The further improvement is that the injector is 60-150ml, and the needle opening at the front end of the injector is detachably connected with the middle end of the medical transfusion tee joint.

The further improvement is that the extension tube, the medical Y-shaped tube and the medical transfusion tee are all made of medical plastics convenient to disinfect.

The medical Y-shaped pipe is characterized by further comprising a first medical infusion one-way valve and a second medical infusion one-way valve, wherein the first medical infusion one-way valve is arranged on the medical Y-shaped pipe, and the second medical infusion one-way valve is arranged on the extension pipe.

The improved structure is characterized in that a limit groove is formed in the push rod, a medical spring is installed on the limit groove in a limiting mode, the other end of the medical spring is fixedly connected with the barrel opening of the needle barrel, and the medical spring is used for automatically retracting the push rod.

The improved structure is characterized in that the push rod is provided with internal threads, the internal threads corresponding to the push rod on the inner wall of the syringe nozzle are arranged to be threaded nozzles, and the push rod is connected with the syringe nozzle through threads to accurately adjust the injection dosage.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the simple water fetching device of the utility model can continuously feed water to the soft lens, keep the clear view under the lens, and does not need to manually deliver water, and can accurately control the water fetching amount and the water fetching times each time, thereby effectively improving the operation efficiency, the whole structure has reasonable design, can efficiently, quickly and comprehensively flush the treatment position of a patient, and is suitable for popularization and application of ureter type operations;

2. the utility model discloses a be provided with resilient means on the syringe, can save power when the push rod pulls back and draws water through the elastic spring, can kick-back to the default position more fast under the effort of spring, under the negative pressure effect, draw water the action fast, overall structure is efficient, easy operation;

3. the utility model discloses an injector adopts the screw thread design, comes to carry out accurate measurement to the injection through the threaded connection of push rod and cylinder nozzle department to according to the size of injector and actual need rational design screw thread and spiral shell interval, improve the precision that the injection was watered greatly, improve operation efficiency.

Drawings

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

wherein: 1. an injector; 2. a push rod; 3. a handle; 4. a needle opening; 5. a medical transfusion tee joint; 6. an on-off knob; 7. a medical Y-shaped tube; 8. an extension tube; 9. a limiting groove.

Detailed Description

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, so to speak, as communicating between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art. The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.

Referring to fig. 1, a simple water pumping device for a ureter soft lens comprises a saline bag, a medical Y-shaped tube 7, a medical infusion tee joint 5, an injector 1 and an extension tube 8, wherein the medical infusion tee joint 5 comprises a liquid inlet end, a middle end and a liquid outlet end, the saline bag is connected with the liquid inlet end of the medical infusion tee joint 5 through the medical Y-shaped tube 7, the liquid outlet end of the medical infusion tee joint 5 is connected with the extension tube 8, the extension tube 8 is used for being connected with the ureter soft lens, the injector 1 is fixedly installed at the middle end of the medical infusion tee joint 5, the injector 1 comprises a needle cylinder, a push rod 2 and a handle 3, one end of the needle cylinder is provided with a needle opening 4, the needle opening 4 is connected with the middle end of the medical infusion tee joint 5, the push rod 2 is slidably installed in the needle cylinder, and one end of the push rod 2 extending into the needle cylinder is provided with a piston, handles are arranged on two sides of the needle cylinder, an on-off knob 6 is arranged on the medical infusion tee joint 5, and the on-off knob 6 is used for controlling the opening and closing of the liquid inlet end, the middle end and the liquid outlet end.

As a preferred embodiment of the present invention, the saline bag is 3000ml saline bag, and the syringe 1 is 50ml syringe 1.

As a preferred embodiment of the utility model, the injector 1 is a 60-150ml injector 1, and the needle opening 4 at the front end of the injector 1 is detachably connected with the middle end of the medical transfusion tee joint 5.

As a preferred embodiment of the utility model, the extension tube 8, the medical Y-shaped tube 7 and the medical transfusion tee 5 are medical plastics convenient for disinfection.

As a preferred embodiment of the utility model, still include first medical infusion check valve and the medical infusion check valve of second, first medical infusion check valve sets up on the medical Y type pipe 7, the medical infusion check valve of second sets up on the extension pipe 8.

As a preferred embodiment of the utility model, the spacing groove 9 has been seted up on the push rod 2, the spacing is installed to spacing on the spacing groove 9 medical spring, medical spring's the other end with the nozzle fixed connection of cylinder, medical spring is used for the automation of push rod 2 to withdraw.

As a preferred embodiment of the present invention, the push rod 2 is provided with an internal thread, the inner wall of the syringe nozzle corresponds to the internal thread of the push rod 2 is set to be a threaded nozzle, and the push rod 2 is connected to the threaded nozzle through a thread to accurately adjust the injection amount.

The utility model discloses a simple and easy water installation's theory of operation for ureter soft lens does: the water inlet end of the medical infusion tee joint is connected with the saline bag through the medical Y-shaped pipe, the middle end of the medical infusion tee joint is connected with an injector, the water outlet end of the medical infusion tee joint is connected with the flexible ureteroscope through the extension pipe and is controlled through the on-off knob, the water outlet end is controlled to be closed, the water inlet end and the middle end of the medical infusion tee joint are controlled to be opened, and saline is drawn out of the saline bag through the push rod negative pressure action of the injector and enters the injector; then the water inlet end is controlled to be closed, the water outlet end and the middle end are controlled to be opened, saline water is sent into the extension tube from the injector through pushing of a push rod of the injector and then enters the ureter soft lens, so that water pumping and water fetching can be realized on one device together, the continuity of water fetching in the operation is achieved, and the operation efficiency is improved; in addition, the medical infusion one-way valve can effectively prevent liquid from flowing backwards;

preferably, the limit groove is formed in the push rod of the injector, the medical spring is arranged between the syringe barrel opening and the limit groove, so that the push rod can rapidly control the on-off knob to enter a pumping mode after saline is pumped into the extension pipe, the medical spring returns to a default position under the action of elasticity and drives the push rod to pull back, the pumping action is completed, and the operation efficiency is further improved;

preferably, an internal thread is formed on a push rod of the injector, a threaded opening is correspondingly formed in the inner wall of the opening of the needle cylinder, the push rod can rotate to lift up and down the push rod, the water pumping and pumping dosage is adjusted, and the distance between the thread and the screw can be designed according to the specific specification of the injector and the actual required specific dosage interval in an operation, so that the injection effect precision of the injector is higher and more accurate, and the operation efficiency is further improved.

2. the utility model discloses an injector 1 is provided with resilient means, can save power when push rod 2 pulls back and draws water through the elastic spring, can kick-back to the default position faster under the effort of spring, under the negative pressure effect, draws water the action fast, and overall structure is efficient, easy operation;

3. the utility model discloses an injector 1 adopts the screw thread design, comes to carry out accurate measurement to the injection through the threaded connection of push rod 2 with cylinder nozzle department to according to injector 1's size and actual need rational design screw thread and spiral shell interval, improve the precision that the injection was watered greatly, improve operation efficiency.

In the drawings, the positional relationship is described for illustrative purposes only and is not to be construed as limiting the present patent; it is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The simple water-fetching device for the flexible ureteroscope is characterized by comprising a saline bag, a medical Y-shaped tube (7), a medical infusion tee joint (5), an injector (1) and an extension tube (8), wherein the medical infusion tee joint (5) comprises a liquid inlet end, a middle end and a liquid outlet end, the saline bag is connected with the liquid inlet end of the medical infusion tee joint (5) through the medical Y-shaped tube (7), the liquid outlet end of the medical infusion tee joint (5) is connected with the extension tube (8), the extension tube (8) is used for being connected with the flexible ureteroscope, the injector (1) is fixedly installed at the middle end of the medical infusion tee joint (5), the injector (1) comprises a needle cylinder, a push rod (2) and a handle (3), one end of the needle cylinder is provided with a needle opening (4), and the needle opening (4) is connected with the middle end of the medical infusion tee joint (5), slidable mounting has push rod (2) in the cylinder, push rod (2) stretch into the one end of cylinder is provided with the piston, the both sides of cylinder are provided with the handle, be provided with on-off knob (6) on medical infusion tee bend (5), on-off knob (6) are used for control the opening and close of feed liquor end, middle-end and play liquid end, be provided with the internal thread on push rod (2), correspond on the cylinder nozzle inner wall the internal thread of push rod (2) is established to the screw thread mouth, push rod (2) through with the threaded connection of cylinder nozzle comes accurate adjustment injection dosage.

2. The simple water-fetching device for the ureter soft lens according to claim 1, wherein the saline bag is 3000ml saline bag, and the syringe (1) is a 50ml syringe (1).

3. The simple water-fetching device for the ureter soft lens according to claim 1, wherein the injector (1) is a 60-150ml injector (1), and the needle port (4) at the front end of the injector (1) is detachably connected with the middle end of the medical infusion tee joint (5).

4. The simple water-fetching device for the ureter soft lens according to claim 1, wherein the extension tube (8), the medical Y-shaped tube (7) and the medical infusion tee (5) are all medical plastics convenient for disinfection.

5. The simple water filling device for the ureter soft lens is characterized by further comprising a first medical infusion one-way valve and a second medical infusion one-way valve, wherein the first medical infusion one-way valve is arranged on the medical Y-shaped tube (7), and the second medical infusion one-way valve is arranged on the extension tube (8).

6. The simple water fetching device for the ureter soft lens is characterized in that a limiting groove (9) is formed in the push rod (2), a medical spring is installed on the limiting groove (9) in a limiting mode, the other end of the medical spring is fixedly connected with a cylinder opening of the cylinder, and the medical spring is used for automatically withdrawing the push rod (2).