CN111528940A - Flexible ureteroscope water injection device - Google Patents

Abstract

The application discloses a flexible ureteroscope water injection device, which relates to the technical field of medical devices. The water injection device for flexible ureteroscope includes a medical infusion tee, a medical one-way valve, a medical syringe and a medical spring; the medical infusion three-way and the medical infusion one-way valve form a T-type anti-reflux combined valve, and the medical syringe and medical spring form a pull-back force power system. The first port of the T-type anti-reflux combined valve is connected to the water-filled bag, the second port of the T-type anti-reflux combined valve is connected to the flexible ureteroscope, and the third port of the T-type anti-reflux combined valve is connected to the syringe port of the medical syringe; the medical spring Set in the barrel of the medical syringe, one end of the medical spring abuts against the barrel port of the medical syringe, and the other end of the medical spring is connected to the piston handle of the medical syringe. The flexible ureteroscope water injection device can improve the convenience of the water injection operation of the flexible ureteroscope, while ensuring the use effect, it can reduce operating personnel, reduce labor intensity, improve work efficiency, save manpower, and have low cost.

Description

Flexible ureteroscope water injection device

technical field

The present application relates to the technical field of medical devices, and in particular, to a water injection device for flexible ureteroscopes.

Background technique

The flexible ureteroscope needs to be filled with water to balance the renal pelvis pressure and maintain a clear view during operation.

The existing water injection operation of the flexible ureteroscope is usually performed manually through a syringe, which is inconvenient in actual operation and has high operation intensity. Or use an imported injection device for water injection, which is expensive to use.

SUMMARY OF THE INVENTION

The flexible ureteroscope water injection device provided by the present application can improve the convenience of the water injection operation of the flexible ureteroscope, while ensuring the use effect, it can reduce the number of operators, reduce labor intensity, improve work efficiency, save manpower, and have low cost.

The application provides a water injection device for flexible ureteroscope. The water injection device for flexible ureteroscope includes a medical infusion tee, a syringe and an elastic piece; the first port of the medical infusion tee is used to connect a water-filled bag, and the second port of the medical infusion tee The port is used to connect the flexible ureteroscope, the third port of the medical infusion tee is connected to the syringe port of the syringe; the elastic part is connected to the piston handle of the syringe, and the elastic part is used to assist in pushing and pulling the piston handle.

In the above technical solution, the main accessories of the flexible ureteroscope water injection device are clinical routine supplies, which can be disassembled and reused, thereby effectively reducing the use cost. During the operation, the water pressure can be adjusted manually according to the actual situation, and the pulsed water can be imitated, and the use effect is equivalent to that of imported equipment. The elastic force of the elastic member is used to assist the operator to push and pull the piston handle, the operation is simple and easy, the operation personnel are reduced, the labor intensity is reduced, the work efficiency is improved, and the manpower is saved.

In a first possible implementation manner of the present application, the elastic member is disposed in the barrel of the syringe, one end of the elastic member abuts against the barrel port of the syringe, and the other end of the elastic member is connected to the piston of the piston handle.

In the above technical solution, the elastic member is arranged in the barrel of the syringe, so that one end of the elastic member abuts against the syringe port, and the other end of the elastic member is connected to the piston, and the elastic force of the elastic member assists the push and pull of the piston handle, the assembly method is simple, and it is easy to disassemble reuse.

In the second possible implementation manner of the present application, a limiting ring is arranged in the barrel of the syringe, and the limiting ring is arranged away from the port of the syringe; the elastic member is sleeved on the piston shaft of the piston handle, and one end of the elastic member is connected to the piston The piston of the handle and the other end of the elastic piece are connected to the limit ring.

In the above technical solution, a limit ring is provided at the end of the syringe away from the port of the syringe, so that the elastic member is sleeved on the piston shaft, and is respectively connected to the piston and the limit ring, and the elastic force of the elastic member is used to assist in pushing and pulling the piston handle. The elastic member is located in the unpumping chamber of the syringe barrel, which can ensure the pumping amount of the syringe barrel on the one hand, and avoid the elastic member directly contacting the physiological saline on the other hand, which is more hygienic.

In combination with the first possible implementation manner or the second possible implementation manner of the present application, in the third possible implementation manner of the present application, the syringe is a medical syringe, and the elastic member is a medical spring.

In the above technical solution, all the accessories of the flexible ureteroscope water injection device are clinical routine supplies, the cost is lower, and they can be disassembled and reused, thereby effectively reducing the use cost.

In a fourth possible implementation manner of the present application, the flexible ureteroscope water injection device further includes a support; the syringe barrel is fixed to the support.

In the above technical solution, the syringe is fixed by the support, which is convenient for medical staff to perform water pumping and water injection operations.

In combination with the fourth possible implementation manner of the present application, in the fifth possible implementation manner of the present application, the support is in a "Z" shape, a fixing groove is formed at the first end of the support, and the syringe is installed in a fixed position. The second end of the support is formed with a sliding groove, the elastic piece is arranged in the sliding groove, one end of the elastic piece is connected to the piston handle of the piston handle, and the other end of the elastic piece is connected to the support.

In the above technical solution, the support is in a "Z" shape, the first end of which is located on the upper side forms a fixing groove for fixing the needle cylinder, and the second end of which is located on the lower side forms a sliding groove, and the elastic member is directly placed in the sliding groove. The two ends of the elastic piece are connected to the piston handle and the support respectively. When the piston handle is pushed and pulled, the elastic force of the elastic piece can assist in pushing and pulling the piston handle. In addition, the elastic member is kept away from the cavity of the syringe to avoid contamination of physiological saline, and the selection of materials for the elastic member is also more extensive, not limited to medical elastic members.

In a sixth possible implementation manner of the present application, the flexible ureteroscope water injection device further includes two medical infusion one-way valves; the first port of the infusion three-way is connected to the water-filled bag through a medical infusion one-way valve, and the infusion three-way The second port of the ureteroscope is connected to the flexible ureteroscope through another medical infusion one-way valve; the water inlet direction of the two medical infusion one-way valves is along the first port of the medical infusion three-way to the second port of the medical infusion three-way.

In the above technical solution, the water inlet directions of the two medical infusion check valves are in the same direction, which can avoid reverse flow and reduce the water pressure, and ensure the safe use of the water injection device for flexible ureteroscopes.

In combination with the sixth possible implementation of the present application, in the seventh possible implementation of the present application, the flexible ureteroscope water injection device further includes an infusion extension tube; the water-filled bag is connected to a medical infusion one-way through an infusion extension tube. Valve connection, the flexible ureteroscope is connected to another medical infusion one-way valve through an infusion extension tube.

In the above technical solution, the water-filled bag and the flexible ureteroscope are respectively connected through an infusion extension tube, which is convenient to assemble and easy to use.

With reference to the seventh possible implementation manner of the present application, in the eighth possible implementation manner of the present application, a filter screen is provided in the infusion extension tube.

In the above technical solution, a filter screen is arranged in the infusion extension tube, which can filter the impurities that may appear in the physiological saline in the water-filled bag and ensure the safety of the operation process.

In combination with the third possible implementation manner of the present application, in the ninth possible implementation manner of the present application, the original length of the medical spring is the same as the length of the barrel of the medical syringe.

In the above technical solution, the original length of the medical spring is the same as the length of the syringe, so that the medical spring is always under pressure during use, and the direction of the generated elastic force is always toward the holding end of the piston handle, which is convenient for the piston handle to recover after water injection.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present application more clearly, the following drawings will briefly introduce the drawings that need to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore do not It should be regarded as a limitation of the scope, and for those of ordinary skill in the art, other related drawings can also be obtained according to these drawings without any creative effort.

1 is a schematic structural diagram of a flexible ureteroscope water injection device in an optional embodiment of the application;

2 is a schematic structural diagram of a flexible ureteroscope water injection device in use in an optional embodiment of the application;

3 is a schematic structural diagram of a water injection device for flexible ureteroscope in another optional embodiment of the present application;

FIG. 4 is a schematic structural diagram of the supporting installation of the support and the syringe in an optional embodiment of the present application.

Icons: 10-Flexible ureteroscope water filling device; 20-Water bag; 30-Flexible ureteroscope; 100-Medical infusion tee; 102-Tee switch; 110-First port; 120-Second port; 130-Second port Three-port; 200-medical infusion check valve; 300-syringe; 310-syringe; 312-syringe port; 320-piston handle; 322-piston shaft; 324-piston handle; 326-piston; 330-limit ring ; 400-elastic part; 500-infusion extension pipe; 510-filter; 600-support; 610-first end; 612-fixed groove; 620-second end;

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of the present application, but not all of the embodiments. The components of the embodiments of the present application generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations.

Thus, the following detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the application as claimed, but is merely representative of selected embodiments of the application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

In the description of the present application, it should be noted that the orientation or positional relationship indicated by the terms "inside" and "bottom" is based on the orientation or positional relationship shown in the accompanying drawings, or is usually placed when the product of the application is used. The orientation or positional relationship is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the present application. Furthermore, the terms "first", "second", etc. are only used to differentiate the description and should not be construed to indicate or imply relative importance.

In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "arrangement" and "connection" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection, or Connected integrally; it can be a mechanical connection, a direct connection, an indirect connection through an intermediate medium, or an internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood in specific situations.

In this application, unless otherwise expressly specified and limited, a first feature above or below a second feature may include the first and second features in direct contact, or may include the first and second features not in direct contact but is through additional characteristic contact between them. Also, the first feature being above, above and above the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is below, below and below the second feature includes the first feature is directly below and diagonally below the second feature, or simply means that the first feature level is smaller than the second feature.

It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict.

At present, for the water injection operation of flexible ureteroscope, the commonly used water injection equipment includes ureteroscope water pump, syringe connection extension tube and endoscopic perfusion equipment. The ureteroscope pump is used to pressurize the infusion tube in a pulsed manner, but the water pressure is large, and the intraoperative water pressure cannot be accurately controlled, which is easy to cause complications such as postoperative infection, and has been rarely used. Manual injection of water through a syringe requires a high intensity of operation and usually requires three people to cooperate with the operation, which is time-consuming and labor-intensive. Most of the endoscopic perfusion equipment is imported, which is expensive, and most of them are disposable and cannot be disassembled, and the cost is high.

An embodiment of the present application provides a flexible ureteroscope water filling device 10, which is only assembled by a medical infusion tee 100, a syringe 300, a medical infusion one-way valve 200, an infusion extension tube 500 and an elastic member 400 The syringe 300 is a common medical syringe, the elastic member 400 is a medical spring, and the accessories are clinical routine supplies, which are cheap, easy to assemble, detachable and reused, can effectively reduce the use cost, and have more promotion value. The elastic force of the medical spring is used to assist the operator to push and pull the piston handle 320, which is easy to operate, reduces the number of operators, reduces labor intensity, improves work efficiency, and saves manpower. During the operation, the water pressure can be adjusted manually according to the actual situation, and the pulsed water can be imitated, and the use effect is equivalent to that of imported equipment.

Please refer to FIGS. 1 and 2. FIG. 1 shows the specific structure of a flexible ureteroscope water filling device 10 provided by an optional embodiment of the present application, and FIG. 2 shows a flexible ureteral endoscope provided by an optional embodiment of the present application. The specific structure of the mirror water injection device 10 in use.

The flexible ureteroscope water filling device 10 includes a medical infusion tee 100 , a syringe 300 , an elastic member 400 , two medical infusion one-way valves 200 and two infusion extension tubes 500 .

The two medical infusion one-way valves 200 are respectively connected to the first port 110 and the second port 120 of the medical infusion three-way 100, the first port 110 and the second port 120 are located on the same level, and the two medical infusion one-way valves 200 It is installed in the same water inlet direction, and the water inlet direction is set along the first port 110 of the medical infusion tee 100 to the second port 120 of the medical infusion tee 100 . The medical infusion three-way 100 and the medical infusion one-way valve 200 are combined into a T-shaped anti-reflux combined valve, so as to avoid backflow and reduce the water pressure of the flexible ureteroscope water injection device 10 during use, and ensure the safe use of the flexible ureteroscope water injection device 10.

The medical infusion check valve 200 connected to the first port 110 is connected to the water filling bag 20 through an infusion extension tube 500 to form a water inlet channel, so that the physiological saline in the water filling bag 20 flows into the medical infusion tee 100 through the water inlet channel. . In this water inlet channel, the infusion extension tube 500 is provided with a filter screen 510, which can filter possible impurities in the physiological saline in the water-filled bag 20 and ensure the safety of the operation process. The medical infusion check valve 200 connected to the second port 120 is connected to the flexible ureteroscope 30 through another infusion extension tube 500 .

The third port 130 of the medical infusion tee 100 is located at the lower end of the horizontal plane where the first port 110 and the second port 120 are located, and the third port 130 is perpendicular to the horizontal plane where the first port 110 and the second port 120 are located. The barrel port 312 of the syringe 300 is connected to the third port 130 , an elastic member 400 is arranged in the barrel 310 of the syringe 300 , and the elastic member 400 is a medical rust-proof and high-temperature resistant spring. The syringe 300 and the elastic member 400 are combined into a power system with return force. One end of the elastic member 400 abuts against the lower end of the syringe port 312, and the other end of the elastic member 400 is connected to the upper end surface of the piston handle 320 (ie the piston 326, not shown in the figure, please refer to FIG. 3). The original length of the elastic member 400 is the same as the length of the needle cylinder 310 .

When in use, firstly connect the first port 110 and the third port 130 through the three-way switch 102 , and close the second port 120 , at this time, the water-filled bag 20 is communicated with the syringe 300 . The syringe 300 is aspirated to move the plunger handle 320 away from the syringe port 312, and the syringe 300 is filled with water. Since the original length of the elastic member 400 is the same as the length of the syringe 310, the direction of the elastic force generated by the elastic member 400 under pressure is directed toward the grip end of the piston handle 320 (ie the piston handle 324, which is not shown in the figure, please refer to FIG. 3 ). (shown), so that the suction syringe 300 is more labor-saving, and it is convenient for the piston handle 320 to perform the water filling process.

The syringe 300 should be filled with water during the water filling stage, so as to avoid a large number of air bubbles during water filling, which will affect the operation. After the syringe 300 is filled with physiological saline, the second port 120 and the third port 130 are connected through the three-way switch 102 and the first port 110 is closed at the same time. At this time, the flexible ureteroscope 30 is connected to the syringe 300 . Push the piston handle 320 to inject water into the syringe 300, so that the physiological saline in the syringe 300 can be manually injected as required.

The above operations are repeated to complete the water filling requirement of the flexible ureteroscope 30 by the water filling device 10 for the flexible ureteroscope 30 during the operation.

It should be noted that, in some other optional embodiments, the original length of the elastic member 400 can also be set to be greater than the length of the syringe 310, so that during the water injection process of the syringe 300, the pulling force of the elastic member 400 assists the piston handle 320 to perform water injection The process is more labor-saving to promote the process.

Another optional embodiment of the present application provides an improved structure of the water injection device 10 for flexible ureteroscope, as shown in FIG. 3 .

A limiting ring 330 is disposed in the barrel 310 of the syringe 300 , and the inner diameter of the limiting ring 330 is the same as the shaft diameter of the piston shaft 322 , so that the piston shaft 322 can pass through the limiting ring 330 for pushing and pulling. The limiting ring 330 is embedded in the lower end of the syringe 310 and away from the syringe port 312 . The elastic member 400 is a spring, sleeved on the piston shaft 322 , one end is connected to the limit ring 330 , and the other end is connected to the lower end of the piston 326 . Pushing and pulling the piston handle 324 is assisted by the elastic force of the elastic member 400 . The elastic member 400 is located in a chamber inside the syringe 310 that is not pumped. On the one hand, the pumping volume of the syringe 310 can be ensured (a part of the pumping space will not be occupied by the elastic member 400 ), and on the other hand, the elastic member 400 can be prevented from directly contacting the normal saline. , more hygienic.

Another optional embodiment of the present application also provides a further improved structure of the water injection device 10 for flexible ureteroscope, as shown in FIG. 4 .

The flexible ureteroscope water filling device 10 further includes a support 600 . The support 600 is in a "Z" shape, and a long cylindrical fixing groove 612 is formed on the upper first end 610 of the support 600. The syringe 310 of the syringe 300 (not marked in the figure, please refer to FIG. (shown) is installed in the fixing groove 612. In actual operation, there is no need for medical staff to hold the syringe 300, which is convenient for water pumping and water injection operations.

Further, the second end portion 620 of the lower side of the support 600 is formed with a sliding groove 622, and the distance between the second end portion 620 and the first end portion 610 is equal to the radius of the piston handle 324, so that the syringe 300 is mounted on the first end portion After 610 , one end of the piston handle 324 abuts against the sliding groove 622 . In this improved embodiment, the material of the elastic member 400 is not limited, and a common spring can be selected. The elastic member 400 is installed in the sliding groove 622, and one end of the elastic member 400 is fixed to the support 600, and the other end of the elastic member 400 is connected to the piston handle 324. When the piston handle 324 is pushed and pulled, the elastic force of the elastic member 400 can be used to assist Push and pull the piston handle 324. In addition, the elastic member 400 is located outside the cavity of the syringe 310 to prevent it from contaminating the physiological saline, and at the same time, the elastic member 400 and the syringe 300 are assembled more conveniently and are easy to disassemble.

The above descriptions are only preferred embodiments of the present application, and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included within the protection scope of this application.

Claims (10)

1. The utility model provides a ureter soft lens water injection device which characterized in that:

the water injection device of the ureter soft lens comprises a medical infusion tee joint, an injector and an elastic piece;

a first port of the medical infusion tee joint is used for connecting a water filling bag, a second port of the medical infusion tee joint is used for connecting a flexible ureteroscope, and a third port of the medical infusion tee joint is connected with a syringe port of the injector;

the elastic piece is connected to a piston handle of the injector and used for assisting in pushing and pulling the piston handle.

2. The water injection device for the ureter soft lens according to claim 1, wherein:

the elastic piece is arranged in the syringe of the injector, one end of the elastic piece is abutted against the port of the syringe of the injector, and the other end of the elastic piece is connected with the piston of the piston handle.

3. The water injection device for the ureter soft lens according to claim 1, wherein:

a limiting ring is arranged in a needle cylinder of the injector, and the limiting ring is far away from a port of the needle cylinder;

the elastic piece is sleeved on the piston shaft of the piston handle, one end of the elastic piece is connected to the piston of the piston handle, and the other end of the elastic piece is connected to the limiting ring.

4. The ureter soft lens water injection device according to claim 2 or 3, characterized in that:

the injector is a medical injector, and the elastic piece is a medical spring.

5. The water injection device for the ureter soft lens according to claim 1, wherein:

the ureter soft lens water injection device also comprises a support;

the needle cylinder of the injector is fixed on the support.

6. The water injection device for the ureter soft lens according to claim 5, wherein:

the support is Z-shaped, a fixing groove is formed at the first end of the support, and the needle cylinder is installed in the fixing groove;

the second end of support is formed with the sliding tray, the elastic component set up in the sliding tray, the one end of elastic component connect in the piston handle of piston handle, the other end of elastic component connect in the support.

7. The water injection device for the ureter soft lens according to claim 1, wherein:

the water injection device of the flexible ureteroscope further comprises two medical infusion one-way valves;

a first port of the infusion tee joint is connected with the water filling bag through one medical infusion one-way valve, and a second port of the infusion tee joint is connected with the ureter soft lens through the other medical infusion one-way valve;

two the direction of intaking of medical infusion check valve is along the first port of medical infusion tee bend extremely the second port of medical infusion tee bend.

8. The water injection device for the ureter soft lens according to claim 7, wherein:

the water injection device for the ureter soft lens further comprises an infusion extension pipe;

the water filling bag is connected with one medical infusion one-way valve through one infusion extension tube, and the ureter soft lens is connected with the other medical infusion one-way valve through one infusion extension tube.

9. The water injection device for the ureter soft lens according to claim 8, wherein:

a filter screen is arranged in the infusion extension pipe.

10. The water injection device for the ureter soft lens according to claim 4, wherein:

the original length of the medical spring is the same as the length of the needle cylinder of the medical injector.

Images