Medical flushing and suction device with power

By setting a check valve and a ship-type switch in the medical flushing suction device, the problem of difficulty in reflow and flow regulation of flushing fluid in the existing devices is solved, and more convenient surgical operation and improved surgical efficiency are achieved.

CN222488343UActive Publication Date: 2025-02-18HANGZHOU WEIYONG MEDICAL EQUIP CO LTD
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Patent Information

Application Number
CN202420639205.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-29
Publication Date
2025-02-18
Estimated Expiration
2034-03-29

AI Technical Summary

Technical Problem

Existing medical flushing suction devices cannot adjust the flushing flow rate, and when the flushing switch is turned off, the flushing liquid may flow back into the liquid bag, affecting subsequent operations.

Method used

A powered medical flushing suction device is designed. By setting a check valve between the pump and the flushing pipeline, the flushing liquid is prevented from flowing back, and a ship-type switch is set on the handle to adjust the flushing liquid flow.

Benefits of technology

It is achieved that the irrigation fluid is not allowed to flow back into the liquid bag during surgical operation, which facilitates surgical operation and improves surgical efficiency by adjusting flow.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a medical flushing and sucking device with power. The medical flushing and sucking device comprises a handle, a flushing head, a tube body for connecting the handle and the flushing head, a battery box, a Yankee connector connected with a negative pressure device, a bottle inserting needle connected with flushing fluid and the like. An inner tube for washing and an outer tube for sucking are arranged in the tube body, and a washing connecting tube and a sucking connecting tube which are connected with the inner tube and the outer tube are arranged in the handle; the flushing connecting pipe and the suction connecting pipe are both made of soft materials. The handle is provided with an adjusting device used for adjusting the flow of the flushing connecting pipe and the on-off state of the suction connecting pipe. The flushing connecting pipe is connected with the inner pipe through a pump and a one-way valve which are arranged in the battery box; and a pump and a battery for driving the pump are arranged in the battery box. When the medical flushing and suction device is used for flushing, not only is the flushing flow controlled, but also the flushing fluid in the pipeline cannot flow back into the flushing fluid bag, so that the medical flushing and suction device is more beneficial to the operation of an operation.
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Description

Technical Field

[0001] The utility model belongs to the field of medical equipment, and in particular relates to a powered medical flushing and suction device. Background Art

[0002] At present, it is often necessary to clean the surgical site during surgery, and it is also necessary to drain the exudate from human tissues after surgery, which can effectively reduce postoperative infection and allow patients to recover earlier. The medical device used for cleaning and guiding tissue exudate is a medical flushing and suction device.

[0003] The Chinese patent application with publication number CN 208464792 U discloses a minimally invasive surgery integrated controlled flushing and suction gun, including a gun body, a flushing and suction joint pipe, a three-way seat, a back-suction valve and a control handle: the three-way seat, the back-suction valve and the control handle are all installed in the gun body; the control handle is hinged in the gun body and is located below the back-suction valve; the flushing and suction joint pipe is connected in the three-way seat and extends out of the gun body, the flushing and suction joint pipe includes a flushing pipe and a back-suction pipe, the flushing pipe is arranged in the back-suction pipe, the back-suction pipe is connected to the branch of the three-way seat, the branch of the three-way seat is connected to the inlet of the back-suction valve, the outlet of the back-suction valve is connected to the back-suction hose, the flushing pipe is connected to the flushing hose, and the flushing hose is connected to the pressure pump. The back-suction hose is connected to the negative pressure suction device, the power switch is pressed to start the pressure pump, and the flushing liquid is flushed out from the flushing pipe to clean the wound efficiently; the control handle is pressed to open the back-suction channel, and the dirt is sucked out under the action of the negative pressure suction device.

[0004] The flushing gun can realize integrated control of flushing and recovery, but the flushing flow rate cannot be adjusted. Moreover, when the flushing switch is turned off, the flushing liquid remaining in the flushing tube is still connected to the flushing liquid bag, which affects the subsequent flushing operation. Utility Model Content

[0005] The utility model provides a powered medical flushing and suction device. When flushing, the flushing liquid in the pipeline will not flow back into the flushing liquid bag, which is more conducive to the operation of the operation.

[0006] The technical solution of the utility model is as follows:

[0007] A powered medical flushing and suction device, comprising a handle, a flushing head, a tube body connecting the handle and the flushing head, a battery box, a Yankee joint connected to a negative pressure device, and a bottle insertion needle connected to a flushing liquid, wherein an inner tube for flushing and an outer tube for suction are arranged inside the tube body, and a flushing tube and a suction tube connected to the inner tube and the outer tube are arranged inside the handle;

[0008] The flushing pipe and the suction pipe are both made of soft materials;

[0009] The handle is provided with an adjustment device for controlling flushing and suction;

[0010] The flushing pipe is connected to the inner pipe via a pump and a one-way valve disposed in the battery box;

[0011] The battery box is provided with a pump and a battery for driving the pump.

[0012] In the utility model, a one-way valve is arranged between the pump and the flushing pipe, so that the flushing liquid in the pipeline will not flow back into the flushing liquid bag, which is more convenient for surgical operation.

[0013] Preferably, the tube body is a straight tube, a curved tube or an obliquely cut tube;

[0014] The working length of the tube body is 14mm, 23mm or 32mm.

[0015] Preferably, the head of the tube body is provided with a side hole, which can effectively prevent the flushing head from being blocked.

[0016] Preferably, the pump is covered with a circle of soft silica gel, and small holes are provided at both ends of the soft silica gel;

[0017] The inner wall of the handle is provided with screw holes, and the soft silicone is fixed to the handle by screws.

[0018] Preferably, the pump is covered with a circle of soft silica gel, and small holes are provided at both ends of the soft silica gel;

[0019] The inner wall of the battery box is provided with screw holes, and the soft silica gel is fixed to the battery box by screws;

[0020] The battery box is ergonomically designed, easy to hold and comfortable to hold.

[0021] Preferably, a three-way connection is provided in the handle;

[0022] The flushing pipe is connected to the water inlet of the pump through the one-way valve, and the inner pipe is connected to the water outlet of the pump through a tee.

[0023] The outer tube is connected to the suction pipe through a three-way connection. The one-way valve can realize one-way flow of the flushing liquid from the connection part to the flushing part when the flushing switch is turned on, and will not flow back, thereby realizing continuous clean supply of the flushing liquid.

[0024] Preferably, the trigger assembly comprises a trigger arranged on the outside of the handle, a cylindrical three-way body arranged on the inside of the handle, a first three-way inner core, a second three-way inner core and a spring arranged in the three-way body;

[0025] Two ends of one end of the first three-way inner core are respectively in contact with the trigger and the second three-way inner core, and a ring-shaped channel which can be communicated with the suction pipe is provided in the middle of the first three-way inner core;

[0026] The end of the second three-way inner core away from the first three-way inner core is an open end, and the spring is installed in the open end of the second three-way inner core. At this time, by pressing the trigger in the trigger assembly, the first three-way inner core can be driven to move. When the trigger is pressed in place, the annular channel in the first three-way inner core is connected to the suction pipe, and the suction operation can be achieved under the action of the negative pressure device. After the suction is completed, the trigger is released, and the spring drives the second three-way inner core and the first three-way inner core to reset, and the suction operation stops.

[0027] Preferably, the flushing connecting pipe and the suction connecting pipe are rubber hoses or plastic hoses.

[0028] As a preferred embodiment, the rocker switch has two gears, namely, gear I for small flow and gear II for large flow. Gear I is for a small flow, with a flow rate ≥ 150 ml / min; gear II is for a large flow, with a flow rate ≥ 180 ml / min. Therefore, the two-gear design of the rocker switch can provide different flushing flow rates, which can effectively meet different clinical flushing needs.

[0029] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0030] (1) In the present invention, a one-way valve is provided between the pump and the flushing pipeline, so that the flushing fluid in the pipeline will not flow back into the flushing fluid bag, making surgical operation more convenient;

[0031] (2) The medical irrigation and suction device of the utility model can adjust the flow rate of the irrigation liquid through the rocker switch provided on the handle, thereby improving the efficiency of the operation;

[0032] (3) The medical irrigation and suction device of the utility model has a tube body in various forms such as a straight tube, a curved tube, an oblique cut tube, and a plurality of working lengths such as 14 mm, 23 mm, and 32 mm to meet different clinical needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the structure of the medical irrigation and suction device of the utility model;

[0034] Figure 2 for Figure 1 An exploded view of the handle of a medical irrigation and suction device;

[0035] Figure 3 A cross-sectional view of a flushing head portion of a medical flushing and suction device;

[0036] Figure 4 A cross-sectional view of the connection portion between the handle and the tube body of a medical irrigation and suction device;

[0037] Figure 5 It is a structural schematic diagram of the connection between the outer tube of the medical flushing and suction device, the tee, the suction connecting pipe, and the tee body;

[0038] Figure 6 This is an exploded view of the connection between the outer tube of the medical flushing and suction device, the tee, the suction pipe, and the tee body;

[0039] Figure 7 A cross-sectional view of a suction regulating device of a medical irrigation and suction device;

[0040] Figure 8 It is a schematic diagram of the structure of the elbow;

[0041] Fig. 9 It is a schematic diagram of the structure of the bevel-cut tube;

[0042] Fig.10 This is a schematic diagram of the connection between the pump and the battery in a medical irrigation and suction device.

[0043] In the figure, 1: flushing head; 2: outer tube; 3: handle cap; 4: handle front cover; 5: rocker switch; 6: trigger; 7: flushing pipe; 8: suction pipe; 9: power cord; 10: battery front cover; 11: Yankee connector; 12: Robert clamp; 13: bottle needle; 14: three-way; 15 three-way body; 16: one-way valve; 17: first three-way inner core; 18: battery; 19: pump; 20: soft silicone; 21: spring; 22: second three-way inner core; 23: inner tube; 24: inner tube connector. DETAILED DESCRIPTION

[0044] The structure of the utility model is further described below in conjunction with the accompanying drawings.

[0045] Depend on Figure 1 to Figure 3 It can be seen that the medical flushing and suction device of the utility model includes a handle, a flushing head 1, a tube connecting the handle and the flushing head 1, a battery box, a Yankee connector 11 connected to a negative pressure device, and a bottle insertion needle 13 connected to a flushing liquid.

[0046] The tube body is provided with an inner tube for flushing and an outer tube 2 for suction, the handle is provided with a flushing connection pipe 7 and a suction connection pipe 8 connected to the inner tube and the outer tube 2, and the handle surface is provided with a handle front cover 4 for protecting the internal components;

[0047] A handle cap 3 is provided at the connection between the handle and the tube body;

[0048] The flushing pipe 7 and the suction pipe 8 are both made of soft materials;

[0049] The handle is provided with a regulating device for regulating the flow and on-off of the suction pipe;

[0050] The regulating device includes a rocker switch 5 for controlling flushing and a trigger assembly for controlling suction;

[0051] The flushing pipe is connected to the inner pipe via a pump and a one-way valve 16 disposed in the battery box;

[0052] The battery box contains a battery 18 for driving the pump.

[0053] In the utility model, by arranging a one-way valve between the pump and the flushing pipeline, the flushing liquid in the pipeline will not flow back into the flushing liquid bag, which is more convenient for surgical operation;

[0054] The medical flushing and suction device of the utility model can adjust the flushing liquid flow rate through a boat-shaped switch arranged on the handle, thereby improving the operation efficiency.

[0055] Depend on Fig. 9 and Fig.10 It can be seen that a circle of soft silicone 20 is provided on the pump, and small holes are provided at both ends of the soft silicone.

[0056] The inner wall of the handle is provided with screw holes, and the soft silicone 20 is fixed to the handle by screws.

[0057] Depend on Figure 4 It can be seen that a three-way connection is provided in the handle;

[0058] The flushing pipe is connected to the water inlet of the pump, and the inner pipe is connected to the water outlet of the pump through a tee;

[0059] The outer tube 2 is connected to the suction connecting tube via a tee.

[0060] The handle is provided with a flushing switch;

[0061] The pump is connected with the flushing switch and the battery in sequence through wires.

[0062] The flushing connecting pipe and the suction connecting pipe are rubber hoses or plastic hoses.

[0063] Depend on Figures 5 to 8 It can be seen that the trigger assembly is arranged on one side of the handle;

[0064] The trigger assembly for controlling suction includes a trigger 6 disposed on the outside of the handle, a three-way main body disposed on the inside of the handle, a first three-way inner core 17, a second three-way inner core 22, and a spring 21. After the negative pressure device is connected, by squeezing the trigger 6, the trigger 6 drives the three-way inner core to move, and the waste liquid forms a passage in the three-way main body. Under the action of negative pressure, the waste liquid is sucked out from the flushing part.

[0065] The regulating device for controlling flushing includes a rocker switch 5 arranged on the outside of the handle, a battery 18, a pump 19, and a power line 9 connected to the rocker switch. The rocker switch has a two-speed design for controlling the flow rate of the flushing liquid.

[0066] The specific implementation methods described above provide a detailed description of the technical solutions and beneficial effects of the utility model. It should be understood that the above is only the most preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, supplements and equivalent substitutions made within the scope of the principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A powered medical irrigation and suction device, comprising a handle, an irrigation head, a tube connecting the handle and the irrigation head, a battery box, a Yankee connector connected to a negative pressure device, and a bottle insertion needle connected to an irrigation liquid, characterized in that: The tube body is provided with an inner tube for flushing and an outer tube for suction, and the handle is provided with a flushing connecting pipe and a suction connecting pipe connected to the inner tube and the outer tube; The flushing pipe and the suction pipe are both made of soft materials; The handle is provided with an adjustment device for controlling flushing and suction; The flushing pipe is connected to the inner pipe via a pump and a one-way valve disposed in the battery box; A pump and a battery for driving the pump are arranged in the battery box.

2. The medical irrigation and suction device according to claim 1, characterized in that: The tube body is a straight tube, a curved tube or an obliquely cut tube; The working length of the tube body is 14mm, 23mm or 32mm.

3. The medical irrigation and suction device according to claim 1, characterized in that: The head of the tube body is provided with a side hole.

4. The medical irrigation and suction device according to claim 1, characterized in that: The pump is covered with a circle of soft silica gel, and small holes are provided at both ends of the soft silica gel; The inner wall of the battery box is provided with screw holes, and the soft silica gel is fixed to the battery box by screws.

5. The medical irrigation and suction device according to claim 1, characterized in that: A three-way connection is provided in the handle; The flushing pipe is connected to the water inlet of the pump through the one-way valve, and the inner pipe is connected to the water outlet of the pump through a tee. The outer tube is connected to the suction connecting pipe through a tee.

6. The medical irrigation and suction device according to claim 1, characterized in that: The regulating device includes a rocker switch for controlling flushing and a trigger assembly for controlling suction; The pump is connected to the rocker switch and the battery in sequence through wires.

7. The medical irrigation and suction device according to claim 1, characterized in that: The flushing connecting pipe and the suction connecting pipe are rubber hoses or plastic hoses.

8. The medical irrigation and suction device according to claim 6, characterized in that: The trigger assembly includes a trigger arranged on the outside of the handle, a cylindrical three-way body arranged on the inside of the handle, a first three-way inner core, a second three-way inner core and a spring arranged in the three-way body; Two ends of one end of the first three-way inner core are respectively in contact with the trigger and the second three-way inner core, and a ring-shaped channel which can be communicated with the suction pipe is provided in the middle of the first three-way inner core; One end of the second three-way inner core away from the first three-way inner core is an open end, and the spring is installed in the open end of the second three-way inner core.

9. The medical irrigation and suction device according to claim 6, characterized in that: The rocker switch has two gears, gear I for small flow and gear II for large flow.

Citation Information

Patent Citations

  • Minimal access surgery integrated control is towards suction gun

    CN208464792U