CN213031407U - Medical negative pressure suction disc - Google Patents
Medical negative pressure suction disc Download PDFInfo
- Publication number
- CN213031407U CN213031407U CN202020584264.7U CN202020584264U CN213031407U CN 213031407 U CN213031407 U CN 213031407U CN 202020584264 U CN202020584264 U CN 202020584264U CN 213031407 U CN213031407 U CN 213031407U
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- negative pressure
- drainage hose
- wedge
- pressure plate
- regulating wheel
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Abstract
The utility model discloses a medical negative pressure suction disc, which comprises a negative pressure disc, an anti-spraying cover, a drainage hose, a pipeline connector and a spring; the top of the negative pressure disc is provided with an exhaust pipe and a connecting pipe; the side wall of the blowout prevention cover is provided with an air hole, and the blowout prevention cover is arranged at the top of the inner side of the negative pressure plate and is positioned right below the exhaust pipe; one end of the drainage hose is communicated with the connecting pipe, and the other end of the drainage hose is provided with a gradually expanded connecting port connecting pipeline connector; the speed regulator on the drainage hose comprises a wedge-shaped shell and a speed regulating wheel; the speed regulating wheel is positioned in the wedge-shaped shell, the connecting shafts at two sides are respectively positioned in the sliding chutes at two sides in the wedge-shaped shell, the height of the speed regulating wheel does not exceed the adjusting hole, and two axial sides of the speed regulating wheel are positioned at the inner side of the adjusting hole; the spring is arranged on the inner side of the negative pressure plate and is connected with the top and the bottom of the negative pressure plate. The device prevents the drainage liquid from splashing caused by exhaust in the use process, prolongs the service time of the negative pressure plate and saves resources; the stability of the speed regulating wheel is improved; the connection of the drainage hose and other drainage tubes is facilitated.
Description
Technical Field
The utility model relates to a medical negative pressure suction dish belongs to the negative pressure suction field.
Background
In medicine, drainage is a behavior of drawing a liquid from a body cavity or a wound by suction such as negative pressure, so as to prevent a drainage substance from staying in a body for a long time and causing infection or lesion of surrounding tissues and the like.
Clinically, during drainage, a negative pressure plate is usually used. The negative pressure disc is provided with a drainage tube which is provided with a speed regulator.
After the negative pressure disc drains for a period of time, the pressure in the negative pressure disc rises, which in turn results in insufficient suction. However, in the conventional negative pressure plate, when drainage liquid is already in the negative pressure plate, if the pressure in the negative pressure plate is reduced by exhausting, the drainage liquid is often splashed outwards. Therefore, in the drainage process, when the pressure in the negative pressure disk rises to cause insufficient suction, the negative pressure disk needs to be replaced again, so that the consumption is increased, and the economic burden of a patient is increased. And as shown in fig. 2-3, the governor wheel of the governor on the existing negative pressure disk is higher than the wedge-shaped shell, so that the condition that the governor wheel slides down from the adjusting hole often occurs clinically.
SUMMERY OF THE UTILITY MODEL
The utility model provides a medical negative pressure suction disc, which prevents the splashing of drainage liquid caused by exhaust in the use process, prolongs the service time of the negative pressure disc and saves resources; the stability of the speed regulating wheel in the regulator is improved, and the condition that the speed regulating wheel slides from the regulating hole is avoided; the design of the gradually expanded horn-shaped connecting port on the drainage hose facilitates the connection of the drainage hose and other drainage tubes, and the drainage hose is not easy to slip; furthermore, the mark of the volume scale on the negative pressure plate is convenient for accurately recording the drainage quantity of the patient; the drainage tube made of the special polyethylene material avoids the adhesion of the pipeline in use and ensures the smoothness of drainage.
For solving the technical problem, the utility model discloses the technical scheme who adopts as follows:
a medical negative pressure suction plate comprises a negative pressure plate, an anti-spraying cover, a drainage hose, a pipeline connector and a spring;
the side wall of the negative pressure plate is in a compressible corrugated shape, the top of the negative pressure plate is provided with an exhaust pipe and a connecting pipe which are communicated with the inside of the negative pressure plate, and the top of the outer side of the exhaust pipe is provided with a sealing cover;
the anti-spraying cover is of a cylindrical structure with an end sealed at the bottom and an opening at the top, air holes are formed in the side wall of the anti-spraying cover, and the top of the anti-spraying cover is connected to the top of the inner side of the negative pressure plate and is positioned right below the exhaust pipe;
one end of the drainage hose is communicated with the connecting pipe on the negative pressure disc, and the other end of the drainage hose is provided with a gradually expanded connecting port;
the drainage hose is provided with a speed regulator, and the speed regulator comprises a wedge-shaped shell and a speed regulating wheel; the top of the wedge-shaped shell is provided with an adjusting hole arranged along the length direction, two sides of the length direction in the wedge-shaped shell are provided with sliding chutes which are oppositely arranged, and the sliding chutes are parallel to the length direction of the adjusting hole; connecting shafts are arranged at the axle centers of two sides of the speed regulating wheel, the speed regulating wheel is positioned in the wedge-shaped shell, the connecting shafts of the two sides are respectively positioned in the sliding chutes at the two sides in the wedge-shaped shell, the height of the speed regulating wheel does not exceed the adjusting hole, the two axial sides of the speed regulating wheel are positioned at the inner side of the adjusting hole, the drainage hose is positioned between the speed regulating wheel and the wedge-shaped shell, and the two ends of the drainage hose penetrate out from the two ends of the wedge-shaped shell in; when the speed regulating wheel rolls to one end part of the wedge-shaped shell in the length direction, the drainage hose is completely closed, and when the speed regulating wheel rolls to the other end part of the wedge-shaped shell in the length direction, the drainage hose is completely opened;
the pipeline connector is of a hollow tubular structure, tapered connecting parts are arranged at two ends of the pipeline connector, the connecting part at one end of the pipeline connector is matched with the connecting port of the drainage hose, and the connecting port of the drainage hose is movably sleeved on the connecting part of the pipeline connector matched with the drainage hose;
the spring is arranged on the inner side of the negative pressure plate, the top of the spring is connected with the top of the inner side of the negative pressure plate, and the bottom of the spring is connected with the bottom of the inner side of the negative pressure plate.
When the drainage device is used, the speed regulator is regulated to completely close the drainage hose, the sealing cover on the exhaust pipe is opened, air in the negative pressure disc is emptied and sealed, then one end of the pipeline connector, which is not connected with the drainage hose, is communicated with one end of the drainage tube, the other end of the drainage tube is inserted into a part of a human body to be drained, and the drainage speed is controlled by regulating the speed regulator; when the pressure in the negative pressure plate rises to cause insufficient suction, the speed regulator is regulated to completely close the drainage hose, then the sealing cover on the exhaust pipe is opened, the negative pressure plate is compressed to discharge gas and is covered with a seal, then the drainage speed is controlled by regulating the speed regulator, and when the blowout prevention cover blocks the exhaust, the drainage liquid in the negative pressure plate cannot spill out from the exhaust pipe, so that the service time of the negative pressure plate is prolonged, and resources are saved.
The drainage hose is completely closed, and the side walls of the guide hose are completely pressed and attached together, so that liquid cannot pass through; the drainage hose is opened completely, the guide hose is not extruded and is in a completely opened state, and liquid can pass through smoothly.
According to the device, the arrangement of the anti-spraying cover avoids that drainage liquid is sprayed out from the exhaust pipe when the negative pressure disc is deflated; the drainage hose is provided with the gradually-expanded connecting port, so that the drainage hose is convenient to connect with the pipeline connector; the height of the speed regulating wheel does not exceed the adjusting hole, and two axial sides of the speed regulating wheel are positioned at the inner side of the adjusting hole, namely the speed regulating wheel is protected by the double protection of the sliding chute and the side walls at two sides of the adjusting hole, so that the speed regulating wheel is prevented from sliding off the adjusting hole; the connecting portion of pipe connector one end matches each other with the connector of drainage hose, and the connecting portion of the other end matches with the interface on the drainage tube, both conveniently connect, can ensure the stability of connecting again.
Present drainage tube is the rubber tube, and the texture is too soft, rolls over easily, glues even, warp, leads to the drainage not smooth, in order to solve aforementioned problem, the used material of drainage hose of this application is preferred polyethylene. The oxygen tube is made of a material similar to the oxygen tube, has certain softness, and reduces tube folding and adhesion.
The scale does not exist on current drainage dish, and the volume of drainage liquid is measured to unable accuracy, need estimate, has the poor defect of accuracy, need calculate with the cylinder extraction when needing strict measurement discrepancy to the critical patient, has increased work load, in order to solve aforementioned problem, this application is equipped with the volume scale that sets up along the direction of height on the lateral wall of negative pressure dish, and the volume scale is calculated with the negative pressure dish under the state of swelling naturally. After drainage is finished, the negative pressure plate naturally expands through operations such as air exhaust and the like, and then direct reading is carried out. As a general knowledge, when the internal and external pressures of the negative pressure disc are consistent, the negative pressure disc is in a natural bulging state.
In order to better prevent the drainage liquid from splashing, the blowout prevention cover and the exhaust pipe are coaxially arranged; the anti-spraying cover is a horn-shaped structure gradually expanding from the top to the bottom.
Further preferably, the air holes are circumferentially formed in the top of the side wall of the blowout prevention cover, the size of each air hole is 1-2 mm, and the distance between every two air holes is 1-2 mm.
In order to better prevent the drainage liquid from splashing, the inner diameter of the spray-proof cover is more than 5 times of the inner diameter of the exhaust pipe. Further preferably, the bottom of the exhaust pipe is provided with a filter screen.
In order to prevent the patient from adjusting his or her speed and further affecting the therapeutic effect, it is preferable that the outside of the wedge-shaped housing is provided with a movably connected protective cover.
In order to avoid the loss of the sealing cover, the sealing cover on the exhaust pipe is connected with the exhaust pipe through a connecting belt.
In order to facilitate the drainage liquid to be discharged, a discharge hole is formed in the center of the top of the negative pressure disc, a plugging cover is connected to the discharge hole in a threaded mode, an exhaust pipe and a connecting pipe are arranged on the outer side of the plugging cover, and a blowout prevention cover is arranged on the inner side of the plugging cover; the top of the spring is connected with the top of the inner side of the plugging cover.
The technology not mentioned in the present invention refers to the prior art.
The medical negative pressure suction disc of the utility model avoids the drainage liquid from being sprayed out from the exhaust pipe when the negative pressure disc is deflated through the arrangement of the anti-spraying cover, thereby prolonging the service time of the negative pressure disc, saving resources and reducing the treatment cost of patients; the drainage hose is provided with the gradually-expanded connecting port, so that the drainage hose is convenient to connect with the pipeline connector; through the improvement of the speed regulator structure, the speed regulating wheel is prevented from sliding off from the regulating hole; furthermore, the tube folding and adhesion of the drainage hose are reduced; the metering of the drainage liquid is convenient.
Drawings
FIG. 1 is a schematic view showing the structure of a medical vacuum aspiration tray according to example 1;
FIG. 2 is a side view of a prior art governor;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a side view of the governor of embodiment 1;
FIG. 5 is a top view of FIG. 4;
FIG. 6 is a schematic view showing the structure of a medical vacuum aspiration tray of example 3;
in the figure, 1 is a negative pressure plate, 101 is a volume scale, 2 is an anti-spraying cover, 201 is a vent hole, 3 is a drainage hose, 301 is a connecting port, 4 is a pipeline connector, 401 is a connecting part, 5 is a spring, 6 is a speed regulator, 601 is a wedge-shaped shell, 602 is an adjusting hole, 603 is a speed regulating wheel, 604 is a connecting shaft, 605 is a sliding groove, 7 is a blocking cover, 8 is an exhaust pipe, 801 is a sealing cover, and 9 is a connecting pipe.
Detailed Description
For a better understanding of the present invention, the following examples are provided to further illustrate the present invention, but the present invention is not limited to the following examples.
The present application is directed to any arrangement of "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, which is based on the arrangement or positional relationship shown in the drawings and is for convenience in describing and simplifying the description, and is not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the present invention.
Example 1
As shown in fig. 1, a medical negative pressure suction plate comprises a negative pressure plate, an anti-spraying cover, a drainage hose, a pipeline connector and a spring;
the side wall of the negative pressure plate is in a compressible corrugated shape, the top of the negative pressure plate is provided with an exhaust pipe and a connecting pipe which are communicated with the inside of the negative pressure plate, and the top of the outer side of the exhaust pipe is provided with a sealing cover;
the anti-spraying cover is of a cylindrical structure with an end sealed at the bottom and an opening at the top, air holes are formed in the side wall of the anti-spraying cover, and the top of the anti-spraying cover is connected to the top of the inner side of the negative pressure plate and is positioned right below the exhaust pipe;
one end of the drainage hose is communicated with the connecting pipe on the negative pressure disc, and the other end of the drainage hose is provided with a gradually expanded connecting port;
as shown in fig. 4-5, a speed regulator is arranged on the drainage hose, and the speed regulator comprises a wedge-shaped shell and a speed regulating wheel; the top of the wedge-shaped shell is provided with an adjusting hole arranged along the length direction, two sides of the length direction in the wedge-shaped shell are provided with sliding chutes which are oppositely arranged, and the sliding chutes are parallel to the length direction of the adjusting hole; connecting shafts are arranged at the axle centers of two sides of the speed regulating wheel, the speed regulating wheel is positioned in the wedge-shaped shell, the connecting shafts of the two sides are respectively positioned in the sliding chutes at the two sides in the wedge-shaped shell, the height of the speed regulating wheel does not exceed the adjusting hole, the two axial sides of the speed regulating wheel are positioned at the inner side of the adjusting hole, the drainage hose is positioned between the speed regulating wheel and the wedge-shaped shell, and the two ends of the drainage hose penetrate out from the two ends of the wedge-shaped shell in; when the speed regulating wheel rolls to one end part of the wedge-shaped shell in the length direction, the drainage hose is completely closed, and when the speed regulating wheel rolls to the other end part of the wedge-shaped shell in the length direction, the drainage hose is completely opened;
the pipeline connector is of a hollow tubular structure, tapered connecting parts are arranged at two ends of the pipeline connector, the connecting part at one end of the pipeline connector is matched with the connecting port of the drainage hose, and the connecting port of the drainage hose is movably sleeved on the connecting part of the pipeline connector matched with the drainage hose;
the spring is arranged on the inner side of the negative pressure plate, the top of the spring is connected with the top of the inner side of the negative pressure plate, and the bottom of the spring is connected with the bottom of the inner side of the negative pressure plate.
When the drainage device is used, the speed regulator is regulated to completely close the drainage hose, the sealing cover on the exhaust pipe is opened, air in the negative pressure disc is emptied and sealed, then one end of the pipeline connector, which is not connected with the drainage hose, is communicated with one end of the drainage tube, the other end of the drainage tube is inserted into a part of a human body to be drained, and the drainage speed is controlled by regulating the speed regulator; when the pressure in the negative pressure plate rises to cause insufficient suction, the speed regulator is regulated to completely close the drainage hose, then the sealing cover on the exhaust pipe is opened, the negative pressure plate is compressed to discharge gas and is covered with a seal, then the drainage speed is controlled by regulating the speed regulator, and when the blowout prevention cover blocks the exhaust, the drainage liquid in the negative pressure plate cannot spill out from the exhaust pipe, so that the service time of the negative pressure plate is prolonged, and resources are saved.
According to the device, the arrangement of the anti-spraying cover avoids that drainage liquid is sprayed out from the exhaust pipe when the negative pressure disc is deflated; the drainage hose is provided with the gradually-expanded connecting port, so that the drainage hose is convenient to connect with the pipeline connector; the height of the speed regulating wheel does not exceed the adjusting hole, and two axial sides of the speed regulating wheel are positioned at the inner side of the adjusting hole, so that the speed regulating wheel is prevented from sliding off from the adjusting hole; the connecting portion of pipe connector one end matches each other with the connector of drainage hose, and the connecting portion of the other end matches with the interface on the drainage tube, both conveniently connect, can ensure the stability of connecting again.
Example 2
On the basis of the embodiment 1, the following improvements are further made: the drainage hose is made of polyethylene; the side wall of the negative pressure plate is provided with volume scales arranged along the height direction, and the volume scales are calculated by the negative pressure plate in a natural bulging state.
Example 3
On the basis of the embodiment 1 or 2, the following improvements are further made: in order to better prevent the drainage liquid from splashing, the blowout prevention cover and the exhaust pipe are coaxially arranged; the anti-spraying cover is a horn-shaped structure gradually expanding from the top to the bottom. The air holes are circumferentially arranged along the top of the side wall of the blowout prevention cover, and the size of the air holes is 1mm, and the distance between the air holes is 2 mm. Through practice, when exhausting, slowly extrude the negative pressure disc, and the drainage liquid can not spout from the blast pipe.
Example 4
On the basis of the embodiment 3, the following improvements are further made: in order to better prevent the drainage liquid from splashing, the inner diameter of the anti-spraying cover is more than 5 times of the inner diameter of the exhaust pipe; the bottom of the exhaust pipe is provided with a filter screen.
Example 5
On the basis of the embodiment 4, the following improvements are further made: in order to prevent the patient from regulating the speed by himself and further influencing the therapeutic effect, the outer side of the wedge-shaped shell is provided with a movably connected protective cover. In order to avoid the loss of the sealing cover, the sealing cover on the exhaust pipe is connected with the exhaust pipe through a connecting belt.
Example 6
On the basis of the embodiment 5, the following improvements are further made: in order to facilitate the drainage liquid to be discharged, a discharge hole is formed in the center of the top of the negative pressure disc, a plugging cover is connected to the discharge hole in a threaded mode, an exhaust pipe and a connecting pipe are arranged on the outer side of the plugging cover, and a blowout prevention cover is arranged on the inner side of the plugging cover; the top of the spring is connected with the top of the inner side of the plugging cover.
Through practice, the medical negative pressure suction disc of each example avoids the drainage liquid from being sprayed out of the exhaust pipe when the negative pressure disc is deflated through the arrangement of the anti-spraying cover, prolongs the service time of the negative pressure disc, saves resources and reduces the treatment cost of a patient; the drainage hose is provided with the gradually-expanded connecting port, so that the drainage hose is convenient to connect with the pipeline connector; through the improvement of the speed regulator structure, the speed regulating wheel is prevented from sliding off from the regulating hole; furthermore, the tube folding and adhesion of the drainage hose are reduced; the metering of the drainage liquid is convenient.
Claims (10)
1. The utility model provides a medical negative pressure suction disc which characterized in that: comprises a negative pressure plate, an anti-spraying cover, a drainage hose, a pipeline connector and a spring;
the side wall of the negative pressure plate is in a compressible corrugated shape, the top of the negative pressure plate is provided with an exhaust pipe and a connecting pipe which are communicated with the inside of the negative pressure plate, and the top of the outer side of the exhaust pipe is provided with a sealing cover;
the anti-spraying cover is of a cylindrical structure with an end sealed at the bottom and an opening at the top, air holes are formed in the side wall of the anti-spraying cover, and the top of the anti-spraying cover is connected to the top of the inner side of the negative pressure plate and is positioned right below the exhaust pipe;
one end of the drainage hose is communicated with the connecting pipe on the negative pressure disc, and the other end of the drainage hose is provided with a gradually expanded connecting port;
the drainage hose is provided with a speed regulator, and the speed regulator comprises a wedge-shaped shell and a speed regulating wheel; the top of the wedge-shaped shell is provided with an adjusting hole arranged along the length direction, two sides of the length direction in the wedge-shaped shell are provided with sliding chutes which are oppositely arranged, and the sliding chutes are parallel to the length direction of the adjusting hole; connecting shafts are arranged at the axle centers of two sides of the speed regulating wheel, the speed regulating wheel is positioned in the wedge-shaped shell, the connecting shafts of the two sides are respectively positioned in the sliding chutes at the two sides in the wedge-shaped shell, the height of the speed regulating wheel does not exceed the adjusting hole, the two axial sides of the speed regulating wheel are positioned at the inner side of the adjusting hole, the drainage hose is positioned between the speed regulating wheel and the wedge-shaped shell, and the two ends of the drainage hose penetrate out from the two ends of the wedge-shaped shell in; when the speed regulating wheel rolls to one end part of the wedge-shaped shell in the length direction, the drainage hose is completely closed, and when the speed regulating wheel rolls to the other end part of the wedge-shaped shell in the length direction, the drainage hose is completely opened;
the pipeline connector is of a hollow tubular structure, tapered connecting parts are arranged at two ends of the pipeline connector, the connecting part at one end of the pipeline connector is matched with the connecting port of the drainage hose, and the connecting port of the drainage hose is movably sleeved on the connecting part of the pipeline connector matched with the drainage hose;
the spring is arranged on the inner side of the negative pressure plate, the top of the spring is connected with the top of the inner side of the negative pressure plate, and the bottom of the spring is connected with the bottom of the inner side of the negative pressure plate.
2. The medical negative pressure suction disk as set forth in claim 1, wherein: the drainage hose is made of polyethylene.
3. The medical negative pressure suction disk as set forth in claim 1 or 2, wherein: the side wall of the negative pressure plate is provided with volume scales arranged along the height direction, and the volume scales are calculated by the negative pressure plate in a natural bulging state.
4. The medical negative pressure suction disk as set forth in claim 1 or 2, wherein: the anti-spraying cover and the exhaust pipe are coaxially arranged; the anti-spraying cover is a horn-shaped structure gradually expanding from the top to the bottom.
5. The medical negative pressure suction disk as set forth in claim 1 or 2, wherein: the air holes are circumferentially arranged along the top of the side wall of the blowout prevention cover, the size of each air hole is 1-2 mm, and the distance between every two air holes is 1-2 mm.
6. The medical negative pressure suction disk as set forth in claim 1 or 2, wherein: the inner diameter of the spray-proof cover is more than 5 times of the inner diameter of the exhaust pipe.
7. The medical negative pressure suction disk as set forth in claim 1 or 2, wherein: the bottom of the exhaust pipe is provided with a filter screen.
8. The medical negative pressure suction disk as set forth in claim 1 or 2, wherein: the outer side of the wedge-shaped shell is provided with a movably connected protective cover.
9. The medical negative pressure suction disk as set forth in claim 1 or 2, wherein: the sealing cover on the exhaust pipe is connected with the exhaust pipe through a connecting belt.
10. The medical negative pressure suction disk as set forth in claim 1 or 2, wherein: a discharge hole is formed in the center of the top of the negative pressure disc, a plugging cover is connected to the discharge hole in a threaded mode, the exhaust pipe and the connecting pipe are arranged on the outer side of the plugging cover, and the blowout prevention cover is arranged on the inner side of the plugging cover; the top of the spring is connected with the top of the inner side of the plugging cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020584264.7U CN213031407U (en) | 2020-04-20 | 2020-04-20 | Medical negative pressure suction disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020584264.7U CN213031407U (en) | 2020-04-20 | 2020-04-20 | Medical negative pressure suction disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213031407U true CN213031407U (en) | 2021-04-23 |
Family
ID=75519343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020584264.7U Expired - Fee Related CN213031407U (en) | 2020-04-20 | 2020-04-20 | Medical negative pressure suction disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213031407U (en) |
-
2020
- 2020-04-20 CN CN202020584264.7U patent/CN213031407U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210423 |