Negative pressure suction device for operating room

By introducing a filter screen into the negative pressure suction device to separate solid-liquid mixtures, the problems of negative pressure source clogging and high cost are solved, enabling the device to be reused and reducing costs.

CN223668381UActive Publication Date: 2025-12-16JIANGSU PROVINCIAL PEOPLES HOSPITAL CHONGQING HOSPITAL
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Patent Information

Application Number
CN202520224215.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-12
Publication Date
2025-12-16
Estimated Expiration
2035-02-12

AI Technical Summary

Technical Problem

In existing negative pressure suction devices, the mixture generated during surgery can easily enter the negative pressure source, causing blockage, and disposable instruments are also costly.

Method used

A device comprising a negative pressure suction bottle and a filter assembly has been designed to separate mixtures into solid and liquid states through a filter screen, avoiding clogging and allowing for reuse.

Benefits of technology

It enables the effective separation and cleaning of mixtures during surgery, reducing usage costs.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223668381U_ABST
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Abstract

The utility model discloses a negative pressure suction device for operating rooms, which comprises at least one negative pressure suction bottle for sucking body fluid, the negative pressure suction bottle is provided with a suction interface and an extraction interface, the suction interface is communicated with a suction tube, when the negative pressure suction device is used, an inlet of the suction tube corresponds to a suction target position, the extraction interface is communicated with an extraction tube, and the suction tube is communicated with the extraction tube. The extraction pipe is communicated with a negative pressure source; the filter assembly comprises a filter screen which is detachably arranged in the negative pressure suction bottle, and the filter screen divides the negative pressure suction bottle into an upper cavity and a lower cavity; according to the negative-pressure suction device for the operating room, the negative-pressure suction bottle is arranged to collect blood and the like generated in an operation, the negative-pressure suction bottle can be repeatedly used, meanwhile, the filter screen is arranged to filter solid tissues or semi-solid tissues of a human body sucked in the blood suction process, and the negative-pressure suction device is convenient to use. Therefore, the solid tissue or the semi-solid tissue can be prevented from blocking the extraction pipe and polluting the negative pressure source.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field, especially in operating room is with negative pressure suction device. BACKGROUND

[0002] Medical suction unit is used for sucking bleeding, exudate, pus and flushing liquid etc. in the operation field, so that the operation field is clear, and the pollution opportunity is reduced. The working principle of medical suction unit is that the negative pressure state of the suction head is manufactured by a certain method, so that the atmospheric pressure will extrude the material outside the suction head to the suction head, thereby completing the effect of "suction". The negative pressure drainage device in the prior art is mainly a disposable negative pressure suction bag or a negative pressure suction device. When these two devices are used, the mixture may be sucked into the subsequent negative pressure source when the blood etc. is sucked into the negative pressure suction bottle through the suction head, resulting in blockage and pollution of the negative pressure source, and the disposable appliance will result in high use cost.

[0003] Therefore, it is necessary to improve the structure of the negative pressure suction device in the operating room in the prior art. When suction is performed by using negative pressure, the mixture obtained by suction can be subjected to solid-liquid separation treatment, so that the solid or semi-solid material generated during the operation can be prevented from entering the negative pressure source, and the device can be repeatedly used to reduce the use cost. SUMMARY

[0004] Therefore, the purpose of the utility model is to provide a negative pressure suction device for operating room, which improves the negative pressure suction device in the prior art, can prevent the mixture such as blood generated during the operation from entering the negative pressure source during use, causing pollution of the negative pressure source, and the device can be repeatedly used to save cost compared with the disposable negative pressure suction bag in the prior art.

[0005] The negative pressure suction device for operating room of the utility model, including at least one negative pressure suction bottle for sucking body fluid, the negative pressure suction bottle is provided with an inhaling interface and an extracting interface, the inhaling interface is communicated with an inhaling pipe, the inlet of the inhaling pipe corresponds to the suction target position during use, the extracting interface is communicated with an extracting pipe, and the extracting pipe is communicated with a negative pressure source.

[0006] Further, the negative pressure suction bottle is two, including a first negative pressure suction bottle and a second negative pressure suction bottle, the inhaling interface of the first negative pressure suction bottle is communicated with the inhaling pipe, the extracting interface of the first negative pressure suction bottle is connected to the inhaling interface of the second negative pressure suction bottle through a connecting pipe, and the extracting interface of the second negative pressure suction bottle is communicated with the negative pressure source through the extracting pipe.

[0007] Further, the negative pressure suction bottle is two, including a first negative pressure suction bottle and a second negative pressure suction bottle, the inhaling interface of the first negative pressure suction bottle is communicated with the inhaling pipe, the extracting interface of the first negative pressure suction bottle is connected to the inhaling interface of the second negative pressure suction bottle through a connecting pipe, and the extracting interface of the second negative pressure suction bottle is communicated with the negative pressure source through the extracting pipe.

[0008] Further, the negative pressure suction bottle comprises a bottle body and a sealing cover sealingly connected to the bottle body, and the suction interface and the extraction interface are arranged on the sealing cover.

[0009] Further, a discharge outlet is arranged at a lower position of the side wall of the bottle body, and the discharge outlet is communicated with a discharge pipe, and a discharge valve is arranged on the discharge pipe.

[0010] Further, the filter assembly further comprises a support frame, the support frame is in a ring structure, the filter screen is arranged at one end of the ring structure, a mounting groove is formed on the outer circumferential surface of the ring structure, and a stepped groove matched with the mounting groove is arranged on the inner wall of the bottle body, and the support frame is arranged on the stepped groove.

[0011] Further, the filter assembly further comprises a handle, and the handle is arranged on the inner side of the support frame.

[0012] Further, the negative pressure suction bottle further comprises a conveying device, the conveying device comprises a mounting plate and a push handle fixedly connected to the mounting plate, and the negative pressure suction bottle is arranged on the mounting plate.

[0013] The conveying device further comprises a plurality of universal wheels arranged at the bottom of the mounting plate.

[0014] Further, an electromagnetic valve is arranged at the suction interface.

[0015] Further, the negative pressure suction bottle is made of transparent material.

[0016] Further, at least two limiting grooves are arranged on the negative pressure suction bottle, limiting portions matched with the limiting grooves are arranged on the mounting plate, the limiting portions can be inserted into the limiting grooves, and the limiting portions are used for limiting the negative pressure suction bottle.

[0017] The operation room negative pressure suction device has the following beneficial effects: the negative pressure suction bottle is arranged to collect the mixture generated in the operation, such as blood, so that subsequent treatment is facilitated, the filter assembly is arranged in the negative pressure suction bottle, and semi-solid substances or solid substances, such as human tissue debris mixed and sucked in the operation process, can be filtered, so that subsequent negative pressure source blockage can be avoided, the filter screen is used for filtering, the filtered substances can be cleaned, and compared with the prior art using a disposable suction bag, the device can be repeatedly used, and the use cost is greatly reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model will be further described in connection with the drawings and embodiments:

[0019] Figure 1 It is the structural schematic diagram of the utility model;

[0020] Figure 2 Structure diagram of a negative pressure suction bottle;

[0021] Figure 3 Sectional view of a bottle body of a negative pressure suction bottle;

[0022] In the above drawings, the following reference signs are used:

[0023] 1. A negative pressure suction bottle; 101. A bottle body; 102. A sealing cover; 103. A drawing interface; 104. A suction interface; 105. A stepped groove; 106. A limiting slot; 2. A discharge valve; 3. A discharge pipe; 4. A mounting plate; 401. A limiting part; 5. A universal wheel; 6. A push handle; 7. A suction pipe; 8. A connecting pipe; 9. A drawing pipe; 10. A filter screen; 11. A supporting frame; 12. A handle. DETAILED DESCRIPTION

[0024] Figure 1 Structure diagram of the utility model, Figure 2 Structure diagram of a negative pressure suction bottle, Figure 3 Sectional view of a bottle body of a negative pressure suction bottle, as Figures 1-3 shown: the negative pressure suction device for operating room of the embodiment, including at least one negative pressure suction bottle 1 for suctioning body fluid, the negative pressure suction bottle 1 is provided with a suction interface 104 and a drawing interface 103, the suction interface 104 is communicated with suction pipe 7, when using, the inlet of suction pipe 7 corresponds to the suction target position, the drawing interface 103 is communicated with drawing pipe 9, and the drawing pipe 9 is communicated with a negative pressure source; the negative pressure suction bottle is used for suction or collection of the body fluid such as blood of human body, the suction interface 104 is used for being connected with suction pipe 7, and the inlet of suction pipe 7 is used for placing in the operating site or the site (i.e. suction target position) needing to handle blood and the like when using, the drawing interface 103 is communicated with drawing pipe 9, and the other end of drawing pipe 9 is communicated with a negative pressure source; the negative pressure source is generally placed in the operating room, can draw the air in the negative pressure suction bottle 1, and makes the device generate negative pressure, is used for suctioning blood or human tissue debris, can be the structure such as vacuum pump, thereby collecting the blood and the like generated at the operating field, is favorable for making the operating field clear, and the structure of the negative pressure source is the application of prior art, here, will not be repeated;

[0025] Further including a filter assembly, including detachably arranged filter screen 10 in the negative pressure suction bottle 1, the filter screen 10 is separated to form upper chamber and lower chamber in the negative pressure suction bottle; filter screen 10 is detachably arranged in the negative pressure suction bottle 1, so that the mixture sucked into the negative pressure suction bottle 1 can be filtered, so that large pieces of human tissue and the like can be filtered in the upper layer (i.e. upper chamber, upper and lower are relative to the filter screen 10) of the filter screen 10, and the lower layer (i.e. lower chamber) of the filter screen 10 can be used for collecting the blood and the like, and the filter screen 10 can be removed and cleaned, and the filter screen 10 can be replaced when being damaged, so that the filter screen 10 can be used for a long time, and the use cost of the device is reduced; Figure 1The liquid such as blood is collected in the lower chamber, the mixture collected in the negative pressure suction bottle 1 is cleaned after the operation, the filter screen 10 is detachably connected with the negative pressure suction bottle 1, the filter screen 10 is cleaned, the filter screen 10 is not blocked after long-term use, the use effect is affected, the filter screen 10 is maintained and replaced, compared with the prior art, the filter screen 10 is fixedly arranged in the negative pressure suction bottle 1, and the maintenance and use are more convenient, and the mixture is collected through the negative pressure suction bottle 1, compared with the prior art, the disposable negative pressure suction bag can be repeatedly used, and the use cost is reduced.

[0026] The prior art negative pressure drainage device is mainly a disposable negative pressure suction bag or a negative pressure suction device. When the blood is sucked into the negative pressure suction bottle through the suction head, the mixture may be sucked into the subsequent negative pressure source, causing blockage. Meanwhile, the disposable device leads to high use cost. The operating room negative pressure suction device has the advantages that the blood mixture generated during the operation is collected through the negative pressure suction bottle 1, subsequent treatment is facilitated, the filter assembly is arranged in the negative pressure suction bottle 1, semi-solid substances such as human tissue debris mixed and sucked during the operation are filtered, the subsequent negative pressure source is prevented from being blocked, the filter screen 10 is used for filtering, the filtered substances are cleaned, compared with the prior art, the disposable suction bag can be repeatedly used, and the use cost is greatly reduced.

[0027] In the embodiment, the negative pressure suction bottle 1 is two, including a first negative pressure suction bottle and a second negative pressure suction bottle, the suction port 104 of the first negative pressure suction bottle is communicated with the suction pipe 7, the suction port 103 of the first negative pressure suction bottle is connected with the suction port 104 of the second negative pressure suction bottle through the connecting pipe 8, and the suction port 103 of the second negative pressure suction bottle is communicated with the negative pressure source through the suction pipe 9. Figure 1 The lower part is the lower part of the filter screen 10, that is, the lower part of the filter screen 10 is provided with a gap (not shown in the figure), so that the probability that the filtered substances are sucked into the second negative pressure suction bottle through the connecting pipe 8 can be reduced. Of course, one end of the suction port 103 of the second negative pressure suction bottle in the second negative pressure suction bottle is also arranged in the lower part of the filter screen 10, and the number of negative pressure suction bottles 1 can be arranged according to the use requirement, so that the use requirement of the surgical operation with large amount of bleeding can be met, and the sucked blood and the like can be prevented from flowing back to the negative pressure source due to large amount of bleeding, thereby causing pollution.

[0028] In the embodiment, the negative pressure suction bottle 1 comprises a bottle body 101 and a sealing cover 102 sealingly connected to the bottle body 101, and the suction interface 104 and the extraction interface 103 are arranged on the sealing cover 102; the negative pressure suction bottle 1 comprises the bottle body 101 and the sealing cover 102 sealingly connected to the bottle body 101, and the sealing cover 102 can be sealingly connected to the bottle body 101 by a threaded connection, so that the overall device is convenient to disassemble and install, and is also convenient to clean and reuse.

[0029] In the embodiment, the lower position of the side wall of the bottle body 101 is provided with a discharge port, the discharge port is communicated with the discharge pipe 3, and the discharge valve 2 is arranged on the discharge pipe 3; the discharge port is arranged at the lower position of the side wall of the bottle body 101, and is communicated with the discharge pipe 3, and the discharge valve 2 is arranged on the discharge pipe 3, so that the filtered liquid can be discharged through the lower discharge port, the negative pressure suction bottle 1 is convenient to clean, and the discharge valve 2 can be an existing electric control valve, a ball valve or other valve body structure, which is an application of the prior art, and will not be described here.

[0030] In the embodiment, the filter assembly further comprises a support frame 11, the support frame 11 is in a ring structure, the filter screen 10 is arranged at one end of the ring structure, a mounting recess is formed on the outer circumferential surface of the ring structure, and a stepped groove 105 matched with the mounting recess is arranged on the inner wall of the bottle body 101 and used for mounting the support frame 11; the support frame 11 is in a ring structure (or a cylindrical structure), the filter screen 10 is arranged at the bottom (the lower part relative to the upward and downward directions in the figure) of the support frame 11, and the stepped groove 105 and the mounting recess are matched, so that the filter assembly is convenient to mount, the overall structure is simple, and use is convenient. Figure 1

[0031] In the embodiment, the filter assembly further comprises a handle 12, and the handle 12 is arranged on the inner side of the support frame 11; the handle 12 can be integrally formed with a steel wire, and two ends of the handle 12 are respectively hinged to the support frame 11; the connection mode of the handle 12 and the filter screen 10 is an application of the prior art, and will not be described here; the handle 12 can be accommodated in the support frame 11, and at this time, the handle 12 is overlapped above the filter screen 10; the handle 12 is arranged, so that the user can disassemble the filter screen 10.

[0032] In the embodiment, a conveying device is further included, the conveying device comprises a mounting plate 4 and a push handle 6 fixedly connected to the mounting plate 4, and the negative pressure suction bottle 1 is arranged on the mounting plate 4; the mounting plate 4 and the push handle 6 are arranged, so that the negative pressure suction bottle 1 is convenient to convey;

[0033] ​The conveying device also includes multiple casters 5, which are located at the bottom of the mounting plate 4; preferably, there are four casters 5, which are located at the four corners of the bottom of the mounting plate 4, so as to facilitate the user to push the mounting plate 4.

[0034] In this embodiment, a solenoid valve is provided at the suction port 104. The solenoid valve is provided at the suction port 104 to facilitate use with a negative pressure source and control the operation of the device. The structure of the solenoid valve is an application of existing technology and will not be described in detail here. Of course, the entire device is also provided with a control unit, which can be a combination of CPU and peripheral circuits. The control output terminal of the control unit is connected to the control input terminal of the solenoid valve, thereby controlling the opening and closing of the solenoid valve.

[0035] In this embodiment, the negative pressure suction bottle 1 is made of a transparent material; the negative pressure suction bottle 1 is made of a transparent material, such as plastic, so that it is easy to observe the liquid level in the negative pressure suction bottle 1 and the human tissue filtered on the filter screen 10, etc., so that the user can clean it in time, thereby further reducing the probability of backflow of the suctioned mixture during surgery.

[0036] In this embodiment, the negative pressure suction bottle 1 is provided with at least two limiting slots 106, and the mounting plate 4 is provided with a limiting part 401 that cooperates with the limiting slots 106. The limiting part 401 can be inserted into the limiting slots 106 to limit the negative pressure suction bottle 1. At least two limiting slots 106 are provided on the bottle body 101 of the negative pressure suction bottle 1, and the positions of the limiting slots 106 are relative to the positions of the discharge valve 2 and the discharge pipe 3. Figure 1 The two limiting slots 106 are not located on the same plane in the vertical direction (i.e., the limiting slot 106 is not located directly above the discharge valve 2 and the discharge pipe 3), so that when the limiting slot 106 is located at the limiting part 401, it does not interfere with the discharge valve 2 and the discharge pipe 3. The two limiting slots 106 are respectively provided on the left side wall and the right side wall of the bottle body 101 (relative to the vertical direction). Figure 1 (in the left and right directions), there can be two limiting slots 106, or they can be set according to the usage needs. The mounting plate 4 is provided with a limiting part 401 that cooperates with the limiting slot 106. When the negative pressure suction bottle 1 is placed on the mounting plate 4, the limiting slot 106 can be engaged with the limiting part 401 (that is, the limiting part 401 can be inserted into the limiting slot 106), thereby limiting the negative pressure suction bottle 1 and improving the stability of the negative pressure suction bottle 1 when placed on the mounting plate 4. In this structure, the limiting slot 106 is a semi-circular structure. The shape and number of the limiting part 401 are adapted to the shape of the limiting slot 106. Of course, the limiting slot 106 can also be other shapes, such as square, etc. At the same time, when cleaning the negative pressure suction bottle 1, it is also convenient for the user to remove and transfer the negative pressure suction bottle 1 by grabbing the limiting slot 106, which is convenient for the user to operate.

[0037] The operation room negative pressure suction device, when in use, first opens the electromagnetic valve at the suction port 104 of the second negative pressure suction bottle, then air in the first negative pressure suction bottle and the second negative pressure suction bottle is drawn by the negative pressure source, so that negative pressure is generated in the first negative pressure suction bottle and the second negative pressure suction bottle, then the electromagnetic valve at the suction port 104 of the first negative pressure suction bottle is opened, blood or other liquid generated in the operation is sucked into the first negative pressure suction bottle and the second negative pressure suction bottle by the suction pipe 7, and the collection of the blood generated in the operation is completed.

[0038] Finally, it is explained that the above embodiments are only used to illustrate the technical solutions of the utility model and are not limited. Although the utility model is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions of the utility model, and they should be covered in the scope of the claims of the utility model.

Claims

1. An operating room negative pressure suction device, characterized by: The device comprises at least one negative pressure suction bottle for attracting body fluid, the negative pressure suction bottle is provided with a suction interface and a suction outlet interface, the suction interface is communicated with a suction pipe, the inlet of the suction pipe corresponds to the suction target position in use, the suction outlet interface is communicated with a suction outlet pipe, and the suction outlet pipe is communicated with a negative pressure source; The device further comprises a filter assembly, which comprises a filter screen detachably arranged in the negative pressure suction bottle, and the filter screen separates the negative pressure suction bottle into an upper chamber and a lower chamber.

2. The surgical negative pressure suction device of claim 1, wherein: The negative pressure suction bottle is two, comprising a first negative pressure suction bottle and a second negative pressure suction bottle, the suction interface of the first negative pressure suction bottle is communicated with the suction pipe, the suction outlet interface of the first negative pressure suction bottle is connected to the suction interface of the second negative pressure suction bottle through a connecting pipe, and the suction outlet interface of the second negative pressure suction bottle is communicated with the negative pressure source through the suction outlet pipe.

3. The surgical negative pressure suction device of claim 1, wherein: The negative pressure suction bottle comprises a bottle body and a sealing cover sealingly connected to the bottle body, and the suction interface and the suction outlet interface are arranged on the sealing cover.

4. The surgical negative pressure suction device of claim 3, wherein: A discharge outlet is arranged at a lower position of the side wall of the bottle body, the discharge outlet is communicated with a discharge pipe, and a discharge valve is arranged on the discharge pipe.

5. The surgical negative pressure suction device of claim 3, wherein: The filter assembly further comprises a support frame, the support frame is in an annular structure, the filter screen is arranged at one end of the annular structure, a mounting groove is formed on the outer peripheral surface of the annular structure, and a stepped groove matched with the mounting groove is arranged on the inner wall of the bottle body, so as to mount the support frame.

6. The surgical negative pressure suction device of claim 5, wherein: The filter assembly further comprises a handle, and the handle is arranged on the inner side of the support frame.

7. The surgical negative pressure suction device of claim 1, wherein: The device further comprises a conveying device, the conveying device comprises a mounting plate and a push handle fixedly connected to the mounting plate, and the negative pressure suction bottle is arranged on the mounting plate. The conveying device further comprises a plurality of universal wheels arranged at the bottom of the mounting plate.

8. The surgical negative pressure suction device of claim 1, wherein: An electromagnetic valve is arranged at the suction interface.

9. The surgical negative pressure suction device of claim 1, wherein: The negative pressure suction bottle is made of transparent material.

10. The surgical negative pressure suction device of claim 7, wherein: At least two limiting grooves are arranged on the negative pressure suction bottle, a limiting portion matched with the limiting grooves is arranged on the mounting plate, the limiting portion can be inserted into the limiting grooves, and the limiting portion is used for limiting the negative pressure suction bottle.