Auxiliary liquid supply device for endoscopy and ESD (Electro-Static Discharge) operation

By introducing blocking and driving mechanisms into the endoscope and ESD surgical fluid supply device, and using a linear motor to control the push rod to achieve instant fluid supply and stop, the problem of fluid supply not being able to be stopped immediately is solved, improving the efficiency and quality of examination and surgery.

CN223900773UActive Publication Date: 2026-02-13JIANGSU JUCHEN MEDICAL TECH CO LTD
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Patent Information

Application Number
CN202423106827.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2026-02-13
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

Current fluid supply devices in endoscopy and ESD surgery cannot stop fluid supply immediately, causing water droplets to fall on the lens, resulting in blurring, increasing examination or surgery time, and affecting the quality of diagnosis and surgery.

Method used

An auxiliary liquid supply device was designed, comprising a liquid supply unit, a drive mechanism, and a blocking mechanism. A linear motor drives a push rod to control the opening and closing of the connecting pipeline, enabling the liquid supply to be delivered and stopped immediately. A blocking mechanism is added to the liquid supply device to control the opening and closing of the pressure release channel.

Benefits of technology

It enables instantaneous fluid supply, preventing water droplets from falling onto the lens, reducing examination or surgical time, and improving the experience for doctors and patients.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an auxiliary liquid supply device for endoscopy and ESD (Electro-Static Discharge) operation, which comprises a liquid supply unit, a driving mechanism and a blocking mechanism, and the liquid supply unit comprises an endoscope or mucosa cutting knife end liquid supply pipe, a pump pipe, a three-way joint, a liquid container and a connecting pipeline, the pump pipe, the endoscope or mucosa cutting knife end liquid supply pipe and the connecting pipeline are connected to three connectors of the three-way connector respectively, the blocking mechanism comprises a blocking end and an ejector rod, a water pipe clamping groove is formed in the blocking end, the connecting pipeline penetrates through a cylindrical hole section of the water pipe clamping groove, and the ejector rod abuts against the outer surface of the connecting pipeline. The release device is additionally arranged at the position, connected with the pump pipe of the peristaltic pump, of the liquid supply pipe at the end of the endoscope or the mucous membrane cutting knife, the blocking mechanism is additionally arranged on the liquid supply device, the blocking mechanism controls the pressure release channel of the release device to be closed or opened, liquid supply can be immediately fed and stopped, the examination or operation time is shortened, and the operation efficiency is improved. And the experience feeling of doctors and patients is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, especially a kind of auxiliary liquid supply device for endoscopy and ESD operation. BACKGROUND

[0002] In the process of gastroenterological examination or operation, the auxiliary liquid supply device mainly functions to remove mucus and accumulation in digestive tract, display the surface of digestive tract wall, help doctors to better observe the condition of digestive tract lesion, so as to provide more accurate diagnosis and treatment plan. However, due to the narrow water channel attached to the endoscope, it will cause high water pressure in the liquid supply pipe and pipe expansion. After the doctor issues a stop command, even if the equipment stops supplying liquid, due to the high water pressure in the liquid supply pipe, it cannot stop immediately, and the liquid outlet will still drip water intermittently, and it will take several seconds to completely stop water. In this case, water droplets will drop on the endoscope lens, causing the lens to blur and affecting the doctor's observation and judgment. In addition, the doctor needs to wait for the water outlet to completely stop water before he can clearly observe the lesion, which will increase the length of the examination or operation, and bring bad experience to the doctor and the patient.

[0003] In the ESD operation (endoscopic submucosal dissection), when cooperating with mucosal cutting knife for submucosal injection, because the market mucosal cutting knife contains liquid injection function, and the liquid injection channel is narrow, therefore, there is also a problem of high water pressure in the liquid supply pipe causing pipe expansion, which cannot stop immediately. If it cannot stop supplying liquid immediately, the water droplets flowing out will reduce the temperature of the cutting knife head, affecting the subsequent cutting quality of the cutting knife head, and increasing the operation time. CONTENT OF UTILITY MODEL

[0004] The utility model solves the technical problems: in order to overcome the above technical problems, the utility model provides a kind of auxiliary liquid supply device for endoscopy and ESD operation.

[0005] The utility model discloses a technical scheme that solves its technical problem is: a kind of auxiliary liquid supply device for endoscopy and ESD operation, including liquid supply unit, drive mechanism and blocking mechanism, the liquid supply unit includes endoscope or mucosa cutting knife end liquid supply pipe, pump pipe, three-way joint and release device, the release device includes liquid container and connecting pipeline, the pump pipe, endoscope or mucosa cutting knife end liquid supply pipe and connecting pipeline are connected respectively to the three joints of three-way joint, the liquid container is connected at the one end of connecting pipeline away from three-way joint;The blocking mechanism includes blocking end head and jacks, water pipe clamping groove is opened on the blocking end head, the water pipe clamping groove includes cylindrical hole section and open slot section, the cylindrical hole section is penetrated from one side of blocking end head to the other side, the side of cylindrical hole section is communicated with the outer surface of blocking end head by open slot section, the water pipe clamping groove also has mounting hole, the jack is in mounting hole, the drive mechanism drives the jack to move close to or away from cylindrical hole section, the movement path of the jack includes the position of jack convex to the cylindrical hole section;The connecting pipeline is arranged in the cylindrical hole section of water pipe clamping groove, and the jack is abutted on the outer surface of connecting pipeline.

[0006] The drive mechanism pushes the jack convex to the cylindrical hole section.

[0007] The drive mechanism is linear motor.

[0008] The jack is vertical rod, and the outer diameter of the part of jack towards cylindrical hole section gradually decreases in the direction close to cylindrical hole section.

[0009] The part of jack towards cylindrical hole section is convex arc surface.

[0010] The endoscope or mucosa cutting knife end liquid supply pipe has reinforcing rib.

[0011] The liquid supply unit also includes infusion bag end liquid supply pipe, and the end of pump pipe away from three-way joint is connected with the infusion bag end liquid supply pipe.

[0012] The utility model discloses a technical scheme that solves its technical problem is: a kind of auxiliary liquid supply device for endoscopy and ESD operation, including liquid supply unit, drive mechanism and blocking mechanism, the liquid supply unit includes endoscope or mucosa cutting knife end liquid supply pipe, pump pipe, three-way joint and release device, the release device includes liquid container and connecting pipeline, the pump pipe, endoscope or mucosa cutting knife end liquid supply pipe and connecting pipeline are connected respectively to the three joints of three-way joint, the liquid container is connected at the one end of connecting pipeline away from three-way joint;The blocking mechanism includes blocking end head and jacks, water pipe clamping groove is opened on the blocking end head, the water pipe clamping groove includes cylindrical hole section and open slot section, the cylindrical hole section is penetrated from one side of blocking end head to the other side, the side of cylindrical hole section is communicated with the outer surface of blocking end head by open slot section, the water pipe clamping groove also has mounting hole, the jack is in mounting hole, the drive mechanism drives the jack to move close to or away from cylindrical hole section, the movement path of the jack includes the position of jack convex to the cylindrical hole section;The connecting pipeline is arranged in the cylindrical hole section of water pipe clamping groove, and the jack is abutted on the outer surface of connecting pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model is further explained below in combination with the drawings and examples.

[0014] Figure 1 Is the structure schematic view of the driving mechanism and the blocking mechanism in the auxiliary liquid supply device for endoscopy and ESD operation of the utility model.

[0015] Figure 2 Is Figure 1 Structure schematic view of another view of structure.

[0016] Figure 3 Is the structure schematic view of the auxiliary liquid supply device for endoscopy and ESD operation of the utility model.

[0017] Figure 4 Is the structure schematic view of the auxiliary liquid supply device for endoscopy and ESD operation of the utility model after being installed on the peristaltic pump.

[0018] In the figure, 1 is the endoscopy or mucosal cutting knife end liquid supply pipe, 2 is the connecting pipeline, 3 is the pump pipe, 4 is the three-way joint, 5 is the liquid container, 6 is the liquid supply bag end liquid supply pipe, 7 is the blocking end, 8 is the top rod, 9 is the water pipe clamping groove, 9-1 is the cylindrical hole section, 9-2 is the open slot section, 9-3 is the mounting hole, 10 is the linear motor. DETAILED DESCRIPTION

[0019] The utility model will be explained in further detail in combination with the drawings. These drawings are all simplified schematic views, and only illustrate the basic structure of the utility model in a schematic manner, so it only shows the structure related to the utility model.

[0020] The auxiliary liquid supply device for endoscopy and ESD operation of the utility model, including liquid supply unit, driving mechanism and blocking mechanism, as Figure 3 Indicated, the liquid supply unit includes endoscopy or mucosal cutting knife end liquid supply pipe 1, pump pipe 3, three-way joint 4 and release device, and the release device includes liquid container 5 and connecting pipeline 2, pump pipe 3, endoscopy or mucosal cutting knife end liquid supply pipe 1 and connecting pipeline 2 are connected to the three joints of three-way joint 4 respectively, and liquid container 5 is connected to the end of connecting pipeline 2 away from three-way joint 4.

[0021] As Figures 1-2As shown, the blocking mechanism includes a blocking end head 7 and a top rod 8, the blocking end head 7 is provided with a water pipe clamping groove 9, the water pipe clamping groove 9 includes a cylindrical hole segment 9-1 and an open slot segment 9-2, the cylindrical hole segment 9-1 penetrates from one side of the blocking end head 7 to the other side, the side surface of the cylindrical hole segment 9-1 is connected with the outer surface of the blocking end head 7 through the open slot segment 9-2, and the water pipe clamping groove 9 is further provided with a mounting hole 9-3, the top rod 8 is located in the mounting hole 9-3, and the driving mechanism drives the top rod 8 to move close to or away from the cylindrical hole segment 9-1, and the moving path of the top rod 8 includes a position where the top rod 8 protrudes outward from the cylindrical hole segment 9-1. The open slot segment 9-2 is designed to facilitate the embedding of the connecting pipeline 2 into the cylindrical hole segment 9-1.

[0022] The connecting pipeline 2 penetrates the cylindrical hole segment 9-1 of the water pipe clamping groove 9, and the top rod 8 abuts against the outer surface of the connecting pipeline 2. The connecting pipeline 2 can be put into the open slot segment 9-2 and then clamped into the cylindrical hole segment 9-1.

[0023] The driving mechanism drives the top rod 8 to protrude outward from the cylindrical hole segment 9-1. The top rod 8 can be recessed in the mounting hole 9-3 or slightly protrude outward from the mounting hole 9-3. After being driven by the driving mechanism, the top rod 8 protrudes outward from the cylindrical hole segment 9-1, abuts against the outer surface of the connecting pipeline 2 and extrudes the connecting pipeline 2, so that the connecting pipeline 2 is closed.

[0024] The driving mechanism is a linear motor 10. The linear motor 10 can directly drive the top rod 8 to move linearly.

[0025] In order to facilitate the extrusion of the connecting pipeline 2, the top rod 8 is a vertical rod, and the outer diameter of the part of the top rod 8 towards the cylindrical hole segment 9-1 gradually decreases in the direction close to the cylindrical hole segment 9-1. In this embodiment, the top rod 8 is vertically arranged perpendicular to the axial direction of the cylindrical hole segment 9-1, and the driving mechanism drives the top rod 8 to move vertically to the axial direction of the cylindrical hole segment 9-1.

[0026] In order to avoid the extrusion of the connecting pipeline 2, the part of the top rod 8 towards the cylindrical hole segment 9-1 is a convex arc surface.

[0027] The endoscope or mucosal cutting knife end liquid supply pipe 1 is provided with a reinforcing rib. After the reinforcing rib is added inside the endoscope or mucosal cutting knife end liquid supply pipe 1, the pipe can withstand high pressure without swelling and deforming, and the change of water pressure and the change of water outlet time caused by the swelling and deformation of the pipe are avoided.

[0028] The liquid supply unit further includes a liquid supply bag end liquid supply pipe 6, and one end of the pump pipe 3 away from the three-way joint 4 is connected with the liquid supply bag end liquid supply pipe 6. One end of the liquid supply bag end liquid supply pipe 6 is connected with a liquid supply bag or other container containing liquid, so as to supply liquid for the peristaltic pump.

[0029] The liquid supply device comprises a peristaltic pump, generally provided with a foot control to start and stop the peristaltic pump. The peristaltic pump comprises a body and a pump head, the pump head is located on one side of the outer wall of the body, the pump head comprises a gland and a base, and a pump tube 3 is located between the gland and the base. The pump tube 3, the end liquid supply pipe 1 of the endoscope or mucosal cutting knife and the connecting pipeline 2 are respectively connected to three joints of a three-way joint 4, one end of the end liquid supply pipe 6 of the infusion bag is connected to an infusion bag or other containers containing liquid, so as to supply liquid for the peristaltic pump, and the other end of the end liquid supply pipe 6 of the infusion bag is connected to one end of the pump tube 3 away from the three-way joint 4. The end liquid supply pipe 1 of the endoscope or mucosal cutting knife is connected to the endoscope during endoscopy, and the end liquid supply pipe 1 of the endoscope or mucosal cutting knife is connected to the mucosal cutting knife during ESD operation. The utility model increases a release device at the position where the end liquid supply pipe 1 of the endoscope or mucosal cutting knife is connected to the pump tube 3 of the peristaltic pump, and increases a blocking mechanism on the liquid supply device, the blocking mechanism is driven by a driving mechanism, and the driving mechanism can be connected with the foot pedal. When the foot pedal is continuously pressed and the peristaltic pump runs to supply liquid, the driving mechanism drives the blocking mechanism to act to close the connecting pipeline 2; when the foot pedal is released, the driving mechanism drives the blocking mechanism to reset to open the connecting pipeline 2. Specifically, when the foot pedal is continuously pressed and the peristaltic pump runs to supply liquid, the driving mechanism pushes the top rod 8 of the blocking mechanism to extrude the connecting pipeline 2 in the cylindrical hole section 9-1, so that the connecting pipeline 2 is closed, that is, the pressure release channel is closed, and normal liquid supply is realized; when the foot pedal is released, the driving mechanism retracts the top rod 8 of the blocking mechanism into the mounting hole 9-3, and the connecting pipeline 2 in the cylindrical hole section 9-1 is opened, that is, the pressure release channel is opened, and since there is a pressure difference between the end liquid supply pipe 1 of the endoscope or mucosal cutting knife and the pump tube 3 and the connecting pipeline 2, when the connecting pipeline 2 is opened, the pressure in the pump tube 3 can be released to the connecting pipeline 2 and the liquid container 5, that is, the liquid supply can be stopped. At the same time, when the foot pedal is pressed and the peristaltic pump runs to supply liquid, the connecting pipeline 2 is closed, that is, the pressure release channel is closed, and normal liquid supply is not affected, realizing the instant supply of liquid.

[0030] Based on the above ideal embodiments of the utility model, through the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the utility model. The technical scope of the utility model is not limited to the content in the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. An auxiliary liquid supply device for endoscopy and ESD surgery, characterized by: The application relates to a liquid supply unit, a driving mechanism and a blocking mechanism, wherein the liquid supply unit comprises an end liquid supply pipe (1) of an endoscope or a mucosa cutting knife, a pump pipe (3), a three-way joint (4) and a releasing device, the releasing device comprises a liquid container (5) and a connecting pipe (2), the pump pipe (3), the end liquid supply pipe (1) of the endoscope or the mucosa cutting knife and the connecting pipe (2) are connected to three joints of the three-way joint (4) respectively, and the liquid container (5) is connected to one end of the connecting pipe (2) far away from the three-way joint (4). The blocking mechanism comprises a blocking end head (7) and a top rod (8), a water pipe clamping groove (9) is arranged on the blocking end head (7), the water pipe clamping groove (9) comprises a cylindrical hole section (9-1) and an open groove section (9-2), the cylindrical hole section (9-1) penetrates from one side of the blocking end head (7) to the other side, the side surface of the cylindrical hole section (9-1) is connected with the outer surface of the blocking end head (7) through the open groove section (9-2), the water pipe clamping groove (9) is provided with a mounting hole (9-3) in the inside, the top rod (8) is located in the mounting hole (9-3), the driving mechanism drives the top rod (8) to move close to or away from the cylindrical hole section (9-1), and the moving path of the top rod (8) comprises a position where the top rod (8) protrudes out of the cylindrical hole section (9-1). The connecting pipe (2) is arranged in the cylindrical hole section (9-1) of the water pipe clamping groove (9), and the top rod (8) abuts against the outer surface of the connecting pipe (2).

2. The auxiliary liquid supply device for endoscopy and ESD surgery according to claim 1, characterized in that: The driving mechanism drives the top rod (8) to protrude out of the cylindrical hole section (9-1).

3. The auxiliary liquid supply device for endoscopy and ESD surgery according to claim 2, characterized in that: The driving mechanism is a linear motor (10).

4. The auxiliary liquid supply device for endoscopy and ESD surgery according to claim 1, characterized in that: The top rod (8) is a vertical rod, and the outer diameter of the part of the top rod (8) close to the cylindrical hole section (9-1) gradually decreases in the direction close to the cylindrical hole section (9-1).

5. The auxiliary liquid supply device for endoscopy and ESD surgery according to claim 4, characterized in that: The part of the top rod (8) close to the cylindrical hole section (9-1) is a convex arc surface.

6. The auxiliary liquid supply device for endoscopy and ESD surgery according to claim 1, characterized in that: The end liquid supply pipe (1) of the endoscope or the mucosa cutting knife is provided with a reinforcing rib.

7. The auxiliary liquid supply device for endoscopy and ESD surgery according to claim 1, characterized in that: The liquid supply unit further comprises a liquid supply pipe (6) of a liquid supply bag, and one end of the pump pipe (3) far away from the three-way joint (4) is connected to the liquid supply pipe (6) of the liquid supply bag.