CN211155664U

CN211155664U - Pressurizing flushing device for choledochoscope

Info

Publication number: CN211155664U
Application number: CN201921182668.7U
Authority: CN
Inventors: 韩丽君; 严诗怡; 高晶晶; 杨玉龙
Original assignee: Shanghai East Hospital Tongji University Affiliated East Hospital
Current assignee: Shanghai East Hospital Tongji University Affiliated East Hospital
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-08-04
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses a pressurized flushing device for a choledochoscope, which belongs to the field of medical instruments, and comprises a flushing fluid supplementing bag, wherein the lower end of the flushing fluid supplementing bag is provided with a rubber plug, flushing fluid is stored in the flushing fluid supplementing bag, the lower end of the flushing fluid supplementing bag is connected with a perfusion tube, the lower end of the perfusion tube is connected with a drip cup, the pressurized flushing device has a one-way flushing function, the backflow of the flushing fluid is effectively avoided, the gall bladder or the bile duct is damaged, the joints at the two ends of the drip cup arranged in the pressurized flushing device for the choledochoscope are both provided with a one-way valve, the direction of the one-way valve is downward, the lower end of the biliary dochoscope is connected with the choledochoscope through the flushing tube, the drip cup is pinched by an assistant, the operation of increasing the pressure and the flow velocity can be accelerated, the backflow of the flushing fluid can, while increasing the controllable range of speeds.

Description

Pressurizing flushing device for choledochoscope

Technical Field

The utility model relates to the field of medical equipment, more specifically say, relate to a choledochoscope washing unit that can pressurize.

Background

The choledochoscope has wide application range, has unique advantages in treating bile duct stones, particularly liver bile duct stones, and can be used for diagnosing and treating choledochoscope in operation and post-operation choledochoscope, can establish sinuses through puncture to place the choledochoscope, can detect whether occupational space lesion and foreign body in the bile duct exist in the choledochoscope besides treating bile duct stones, and can expand and cut bile duct stenosis.

At present, when a choledochoscope is operated, a choledochoscope is required to be connected with an infusion apparatus through the choledochoscope to inject physiological saline or glucose, so that the visual field of the choledochoscope is kept clear, when choledochoscope polypectomy, narrow incision of a gallbladder and the like are performed, an assistant is required to squeeze an infusion apparatus drip cup to generate rapid water flow, so that the visual field is prevented from being blurred due to blood, but when the infusion apparatus is used for washing the choledochoscope, the operation is complicated, the infusion tube at the upper end of the drip cup needs to be folded when the drip cup is squeezed, the flow rate of flushing fluid is prevented from being insufficient due to countercurrent, the infusion apparatus at the upper end and the infusion tube at the lower end of the drip cup need to be loosened when the drip cup is released, the phenomenon that a biliary tract lens adsorbs the gallbladder or a bile duct due to countercurrent of the flushing fluid is.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Problem to exist among the prior art, the utility model aims to provide a choledochoscope washing unit that pressurizes, it has one-way flushing function, effectively avoid the flush fluid to flow against the current, damage gall-bladder or bile duct, and the kettle both ends kneck that drips that this choledochoscope washing unit has set up all is provided with the check valve, the check valve direction is downward, the lower extreme passes through the flushing pipe choledochoscope, the assistant holds between the fingers the kettle hard alright realize the pressurization and accelerate the operation of the velocity of flow, and can not arouse the reflux, the diameter of dripping the kettle sets up to 10cm, the material then adopts soft plastics, not only can increase the volume, still be convenient for the assistant to pressurize the operation, the steerable scope of speed improves simultaneously.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a choledochoscope washing unit that can pressurize, includes washes the fluid infusion bag, the lower extreme that washes the fluid infusion bag is provided with the rubber buffer, it has the flush fluid to wash the storage in the fluid infusion bag, the lower extreme that washes the fluid infusion bag is connected with the transfer line, the lower extreme of transfer line is connected with the kettle, the lower extreme of kettle is connected with the flushing pipe, be provided with the regulator on the flushing pipe, be provided with the screw thread mouth on the flushing pipe of regulator below, it has one-way flushing function, effectively avoids the flush fluid to flow against the current, harms gall bladder or bile duct, and the choledochoscope both ends kneck that this choledochoscope washing unit that can pressurize is provided with all is provided with the check valve, and the check valve direction is down, and the lower extreme passes through the flushing pipe and connects the choledochoscope hard, and can realize the operation of pressurization and accelerate the velocity of flow, not only can increase the volume, but also is convenient for the assistant to carry out the pressurizing operation, and simultaneously improves the controllable range of the speed.

Further, the rubber buffer is connected with the bottleneck that washes the fluid infusion bag, the rubber buffer sets up to cylindrical, the upper end of rubber buffer is provided with the cross open slot, the material that the rubber buffer adopted is rubber, and rubber has good leakproofness, can block up the bottleneck that washes the fluid infusion bag, prevents that the flush fluid from leaking.

Further, the upper end of transfer line is provided with the cross plug, the cross plug sets up the surface at the transfer line, the cross open slot joint that cross plug and rubber buffer were provided with, through the setting of cross open slot and cross plug, be convenient for insert the rubber buffer with the transfer line in for carry the flush fluid.

Further, the surface of transfer line is provided with the toroid, the upper end of toroid and the lower extreme fixed connection of cross plug, the rubber buffer contact that the upper end and the infusion bottle of toroid were provided with, the toroid has limiting displacement, can prevent that the transfer line from inserting the inside overlength of rubber buffer.

Furthermore, the upper end and the lower end of the drip cup are provided with check valves, the check valve arranged at the upper end of the drip cup is connected with the infusion tube, the check valve arranged at the lower end of the drip cup is connected with the flushing tube, the direction of the check valve is downward, and the check valve is arranged, so that flushing liquid can only flow downward, and the situation of liquid backflow caused by pressurization of the drip cup is avoided.

Furthermore, the regulator is installed on the flushing pipe through inside through-hole, the right side of regulator is provided with plectane and spout, the fixed axis of rotation that has cup jointed in inside of plectane, the axis of rotation has been cup jointed in the inside slip of spout, the left side of plectane compresses tightly the flushing pipe, through upwards promoting and anticlockwise rotation plectane for the plectane extrudes the flushing pipe, adjusts liquid flow.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme has one-way washing function, effectively avoid the flush fluid to flow against the current, damage gall-bladder or bile duct, and the kettle both ends kneck that drips that this biliary tract mirror pressurizable washing unit set up to have all is provided with the check valve, the check valve direction is downward, the lower extreme passes through the wash pipe and connects biliary tract mirror, the assistant holds between the fingers the kettle with the effort alright realize the operation of pressurization and accelerate the velocity of flow, and can not arouse the flush fluid to flow backward, the diameter that drips the kettle sets up to 10cm, the material then adopts soft plastics, not only can increase the volume, still be convenient for the assistant to pressurize the operation, the steerable scope.

(2) The rubber buffer is connected with the bottleneck that washes the fluid infusion bag, and the rubber buffer sets up to cylindrical, and the upper end of rubber buffer is provided with the cross open slot, and the material that the rubber buffer adopted is rubber, and rubber has good leakproofness, can block up the bottleneck that washes the fluid infusion bag, prevents that the flush fluid from leaking.

(3) The upper end of transfer line is provided with the cross plug, and the cross plug setting is at the surface of transfer line, and the cross open slot joint that cross plug and rubber buffer were provided with is convenient for insert the rubber buffer with the transfer line in through the setting of cross open slot and cross plug for carry the flush fluid.

(4) The outer surface of the infusion tube is provided with a circular ring, the upper end of the circular ring is fixedly connected with the lower end of the cross plug, the upper end of the circular ring is in contact with a rubber plug arranged on the infusion bottle, the circular ring has a limiting effect, and the infusion tube can be prevented from being inserted into the rubber plug for too long.

(5) The upper and lower both ends of kettle drip all are provided with the check valve, and the check valve that kettle drip upper end was provided with is connected with the transfer line, and the check valve that kettle lower extreme was provided with is connected with the flushing pipe, and the check valve direction is downward, through the setting of check valve for the flush fluid can only flow downwards, can not lead to the condition of liquid countercurrent after because of kettle drip pressurization.

(6) The left side of plectane compresses tightly has the flushing pipe, and the inside slip of spout has cup jointed the axis of rotation, through upwards promoting and anticlockwise rotation plectane for the plectane extrudees the flushing pipe, adjusts liquid flow.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the point A of the present invention;

FIG. 3 is a schematic view of a cross-shaped open slot of the present invention;

fig. 4 is a schematic diagram of the structure of the regulator of the present invention.

The reference numbers in the figures illustrate:

1 flushing fluid infusion bag, 2 rubber plugs, 3 cross open grooves, 4 flushing fluid, 5 infusion tubes, 6 cross plugs, 7 circular rings, 8 drip cups, 9 one-way valves, 10 flushing tubes, 11 threaded ports, 12 regulators, 13 round plates, 14 sliding grooves and 15 rotating shafts.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-3, a pressurized flushing device for a choledochoscope comprises a flushing fluid supplementing bag 1, referring to fig. 1-3, a rubber plug 2 is arranged at the lower end of the flushing fluid supplementing bag 1, the rubber plug 2 is made of rubber, the rubber has good sealing performance, the bottle mouth of the flushing fluid supplementing bag 1 can be blocked, the flushing fluid 4 is prevented from leaking, the flushing fluid 4 is stored in the flushing fluid supplementing bag 1, a perfusion tube 5 is connected to the lower end of the flushing fluid supplementing bag 1, the perfusion tube 5 is used for transporting the flushing fluid 4, a drip cup 8 is connected to the lower end of the perfusion tube 5, the diameter of the drip cup 8 is set to be 10cm, the material is made of soft plastic, the volume can be increased, the pressurized operation by an assistant is facilitated, the controllable range of speed is increased, a flushing tube 10 is connected to the lower end of the drip cup 8, a regulator 12 is arranged on the flushing tube 10, the flushing pipe 10 below the regulator 12 is provided with a threaded port 11, and the flushing pipe 10 is conveniently connected with the choledochoscope through the arrangement of the threaded port 11.

Please refer to fig. 2 and 3, the rubber stopper 2 is connected with the bottle mouth of the flushing fluid infusion bag 1, the rubber stopper 2 is set to be cylindrical, the upper end of the rubber stopper 2 is provided with a cross open slot 3, the rubber stopper 2 has the function of preventing the leakage of flushing fluid 4, the upper end of the infusion tube 5 is provided with a cross plug 6, the cross plug 6 is arranged on the outer surface of the infusion tube 5, the cross plug 6 is connected with the cross open slot 3 provided with the rubber stopper 2, through the arrangement of the cross open slot 3 and the cross plug 6, the infusion tube 5 is conveniently inserted into the rubber stopper 2 for conveying the flushing.

Referring to fig. 1 and 2, a circular ring 7 is arranged on the outer surface of the infusion tube 5, the circular ring 7 has a limiting function, the infusion tube 5 can be prevented from being inserted into the rubber plug 2 too long, the upper end of the circular ring 7 is fixedly connected with the lower end of the cross plug 6, the upper end of the circular ring 7 is in contact with the rubber plug 2 arranged on the infusion bottle 1, the upper end and the lower end of the drip cup 8 are both provided with check valves 9, the check valves 9 have a function of limiting the flowing direction of the flushing fluid 4, the check valve 9 arranged at the upper end of the drip cup 8 is connected with the infusion tube 5, the check valve 9 arranged at the lower end of the drip cup 8 is connected with the flushing tube 10, the check valve 9 is downward, the flushing fluid 4 can only flow downward through the setting of the check valve 9.

Referring to fig. 4, the regulator 12 is mounted on the flushing pipe 10 through an internal through hole, a circular plate 13 and a sliding chute 14 are arranged on the right side of the regulator, a rotating shaft 15 is fixedly sleeved inside the circular plate, the rotating shaft is slidably sleeved inside the sliding chute, the flushing pipe is compressed on the left side of the circular plate, and the circular plate is pushed upwards and rotates anticlockwise to extrude the flushing pipe so as to regulate the liquid flow.

When using this choledochoscope washing unit that can pressurize, insert inside the cross open slot 3 that rubber buffer 2 was provided with cross plug 6 that transfer line 5 was provided with earlier, make the upper end of transfer line 5 insert wash inside fluid infusion bag 1, be connected the screw thread mouth 11 that the washing pipe 10 lower extreme was provided with the choledochoscope again, can use the device, mucous membrane hemorrhage mirror surface is unclear in the operation of choledochoscope, all need wash with higher speed when washing the intraductal calculus of bile, the assistant can be according to operator's operation demand this moment, the hand is held between the fingers drip cup 8 and is accelerated the speed of washing in order to keep the clarity in the choledochoscope field of vision, and the setting through check valve 9, make flush fluid 4 downward flow only, can not lead to flush fluid 4 adverse current because of drip cup 8 pressurization back, and through upwards promoting and anticlockwise rotation plectane 13.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a choledochoscope washing unit that can pressurize, includes washing fluid infusion bag (1), its characterized in that: the lower extreme that washes fluid infusion bag (1) is provided with rubber buffer (2), wash fluid infusion bag (1) internal storage has flush fluid (4), the lower extreme that washes fluid infusion bag (1) is connected with transfer line (5), the lower extreme of transfer line (5) is connected with drip cup (8), the lower extreme of drip cup (8) is connected with flushing pipe (10), be provided with regulator (12) on flushing pipe (10), be provided with screw thread mouth (11) on flushing pipe (10) of regulator (12) below.

2. The pressurizable biliary tract irrigation device of claim 1, wherein: the rubber buffer (2) is connected with the bottle mouth of the flushing fluid infusion bag (1), the rubber buffer (2) is cylindrical, and a cross open slot (3) is formed in the upper end of the rubber buffer (2).

3. The pressurizable biliary tract irrigation device of claim 1, wherein: the upper end of transfer line (5) is provided with cross plug (6), cross plug (6) set up the surface at transfer line (5), cross open slot (3) joint that cross plug (6) and rubber buffer (2) were provided with.

4. The pressurizable biliary tract irrigation device of claim 1, wherein: the surface of transfer line (5) is provided with toroid (7), the upper end of toroid (7) and the lower extreme fixed connection of cross plug (6), the upper end of toroid (7) and wash rubber buffer (2) contact that fluid infusion bag (1) was provided with.

5. The pressurizable biliary tract irrigation device of claim 1, wherein: the drip cup is characterized in that check valves (9) are arranged at the upper end and the lower end of the drip cup (8), the check valve (9) arranged at the upper end of the drip cup (8) is connected with the infusion tube (5), and the check valve (9) arranged at the lower end of the drip cup (8) is connected with the flushing tube (10).

6. The pressurizable biliary tract irrigation device of claim 1, wherein: the regulator (12) is installed on the flushing pipe (10) through an internal through hole, a circular plate (13) and a sliding groove (14) are arranged on the right side of the regulator (12), a rotating shaft (15) is fixedly sleeved inside the circular plate (13), the rotating shaft (15) is slidably sleeved inside the sliding groove (14), and the flushing pipe (10) is compressed on the left side of the circular plate (13).