CN209630272U - A kind of Medical suction unit - Google Patents

Abstract

The utility model provides a medical suction device, which relates to a medical device. The medical suction device includes: a conduit, and a filter screen for filtering sundries is installed in the conduit; a Y-shaped tube, whose three ends are connected, the first end of the Y-shaped tube communicates with the other end of the conduit, and the Y-shaped tube communicates with the other end of the conduit. The second end of the Y-shaped tube is connected with the negative pressure suction device, so that the suction end of the medical suction device can carry out the adsorption operation; the third end of the Y-shaped tube is connected with the side wall of the catheter at the filter screen, so that the negative pressure suction device can be used for suction. Suction debris at the filter screen; the first valve is installed at the first end of the Y-shaped tube or the other end of the conduit, and the suction end of the medical suction device is controlled to perform or stop the adsorption operation by opening or closing the first valve; And the second valve is installed at the third end of the Y-shaped pipe, by opening or closing the second valve to control the start and stop of the sundries at the suction filter screen. Realize the normal operation of the suction device and automatically remove the sundries at the filter screen.

Description

a medical aspirator

technical field

The utility model relates to a medical device, in particular to a medical suction device.

Background technique

The suction device is used to suck the contents of bleeding, exudate, pus, and chest viscera during the operation, so as to make the operation clear and reduce the chance of contamination. Therefore, the suction device is very important in the medical field.

However, the existing suction device is easily blocked during orthopedic surgery and cannot work, and it is very inconvenient for medical staff to unblock or replace the suction device when dealing with the blockage of the suction device, and it is even easy to unblock or replace the suction device in the process of unblocking or replacing. cause infection in patients.

Utility model content

One purpose of the present utility model is to provide a medical aspirator, which can be used to unblock the medical aspirator when the medical aspirator is blocked or about to be blocked, so as to ensure its normal use.

Another purpose of the utility model is to prevent the blockage of the medical suction device, and to fully filter the corresponding sundries as much as possible.

In particular, the utility model provides a medical suction device, comprising:

A conduit with two connected ends, a filter screen for filtering sundries is installed in the conduit, and one end of the conduit is the suction end of the medical suction device;

Y-shaped tube, its three ends are connected, the first end of the Y-shaped tube communicates with the other end of the catheter, and the second end of the Y-shaped tube is connected with a negative pressure suction device, so that the The suction end of the medical suction device can carry out the adsorption operation; the third end of the Y-shaped pipe communicates with the side wall of the conduit at the filter screen, so as to use the negative pressure suction device to suck the suction at the filter screen. said debris;

The first valve is installed at the first end of the Y-shaped tube or the other end of the conduit, and controls the suction end of the medical suction device to perform or stop the suction operation by opening or closing the first valve; as well as

The second valve is installed at the third end of the Y-shaped pipe, and is used to control the start and stop of sucking the sundries at the filter screen by opening or closing the second valve.

Further, one end of the conduit is formed with a cross-shaped retaining arm for filtering sundries.

Further, the Y-shaped pipe has first to third pipe parts communicating with each other, and one ends of the first to third pipe parts are respectively formed as the first to third ends of the Y-shaped pipe, so The other ends of the first to third pipe parts are connected;

The inner tube diameters of the first tube part, the third tube part and the second tube part increase sequentially.

Further, the side wall of the conduit where the filter is installed is formed to be transparent, so as to observe the blocking condition of the filter.

Further, the first valve includes:

a blocking plate, the plate surface of which is formed in a circular shape and installed in the Y-shaped pipe or the conduit, so as to seal the conduit when the first valve is closed;

a connecting rod connected to the blocking plate, the connecting rod is threadedly inserted into the Y-shaped pipe or the side wall of the conduit; and

The handle is connected with the connecting rod, and by turning the handle, the blocking plate is rotated relative to the Y-shaped pipe or the conduit, so as to realize the opening and closing of the first valve.

Further, the first valve also includes:

A rubber ring is installed on the circumference of the baffle plate. When the first valve is closed, the rubber ring is used to seal the gap between the baffle plate and the Y-shaped pipe or the inner wall of the conduit. gap.

Further, the second valve has the same structure as the first valve.

Further, by controlling the opening or closing of the first valve, the suction end of the medical aspirator attracts blood, flushing fluid or/and surgical smoke;

Or/and, the filter is used to filter out bone debris, soft tissue or/and bone tumors.

Further, the filter screen is formed with a storage area, and the sundries are filtered out by the filter screen and kept in the storage area, and the third end of the Y-shaped pipe is connected to the storage area at the storage area. Conduit connected.

Further, the conduit and the Y-shaped pipe are pipes made of plastic;

Or/and, the first valve and the second valve are valves made of plastic.

For the beneficial effects of the utility model, when the suction device is in use, by starting the negative pressure suction device, opening the first valve and closing the second valve, the suction end of the medical suction device can perform adsorption operations, such as suctioning blood, flushing, etc. liquid or/and surgical smoke, etc.; during its adsorption operation, the filter screen will filter out the sundries, such as bone debris, soft tissue or/and bone tumors, etc.; When removing the sundries at the filter, close the first valve and open the second valve, so that the negative pressure suction device can absorb the sundries at the filter screen through the third end of the Y-shaped tube, so that the sundries filtered out of the filter screen The debris is removed from the filter to ensure that the filter will not be blocked. After the filter screen is cleaned, the first valve is opened again and the second valve is closed, so that the suction end of the medical aspirator performs adsorption operation again.

In the utility model, after starting the negative pressure suction device, the first valve and the second valve are used to switch on and off to realize the normal operation of the suction device and automatically remove the sundries at the filter screen; On the other hand, the automatic cleaning of debris saves the medical staff from manually cleaning or replacing the filter or even directly replacing the suction device, which brings inconvenience to operation and increases the cost of surgery and treatment for patients. At the same time, the automatic cleaning of sundries realized by the opening and closing switching of the first valve and the second valve also avoids the occurrence of patient infection during the process of dredging or replacing the aspirator. Therefore, the comprehensive performance of the attractor is fully and fully improved.

Further, a cross-shaped stop arm is installed at the suction end of the medical suction device, that is, one end of the catheter, and the larger debris can be filtered first, so that it is blocked by the cross-shaped stop arm at the suction end of the medical suction device. On the one hand, it can avoid blocking the filter screen and ensure that the suction work of the suction device can be carried out normally; Blocking the normal suction of the Y-shaped tube is realized; in this way, after the cross-shaped retaining arm filters the oversized debris, the filter screen filters the debris for a second time, so as to realize the full filtration of the medical suction device .

According to the following detailed description of specific embodiments of the utility model in conjunction with the accompanying drawings, those skilled in the art will be more aware of the above and other objectives, advantages and features of the utility model.

Description of drawings

Fig. 1 is the schematic front view of described medical aspirator;

Fig. 2 is the E direction view in Fig. 1;

Fig. 3 is a schematic front view of the first valve, wherein the first valve is shown in a closed state;

Figure 4 is another schematic front view of the first valve, showing the first valve in an open state;

Fig. 5 is a schematic front view of a blocking plate.

Detailed ways

Hereinafter, some specific embodiments of the present utility model will be described in detail in an exemplary rather than restrictive manner with reference to the accompanying drawings. The same reference numerals in the drawings designate the same or similar parts or parts. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. Fig. 1 is a schematic front view of the medical suction device; Fig. 2 is a view from E direction in Fig. 1; Fig. 3 is a schematic front view of the first valve, which shows that the first valve is in a closed state; Fig. 4 is another schematic front view of the first valve, which shows the first valve in an open state; FIG. 5 is a schematic front view of the blocking plate.

Referring to FIG. 1 , this embodiment provides a medical aspirator, including: a catheter 100 , a Y-shaped tube 200 , a first valve 300 and a second valve 400 . Conduit 100 has the two ends that communicate, and the filter screen 101 that is used to filter sundry is installed in conduit 100, and one end of conduit 100 is the suction end of medical aspirator; Y-shaped pipe 200, its three ends are connected, Y-shaped The first end of the tube 200 communicates with the other end of the catheter 100, and the second end of the Y-shaped tube 200 is connected with the negative pressure suction device 500, so that the suction end of the medical suction device can perform adsorption operations; the third end of the Y-shaped tube 200 The end is communicated with the side wall of the conduit 100 at the filter screen 101, so as to utilize the negative pressure suction device 500 to suck the sundries at the filter screen 101; One end, by making the first valve 300 open or close, to control the suction end of the medical suction device to perform or stop the suction operation; the second valve 400 is installed at the third end of the Y-shaped pipe 200, by making the second valve 400 open or Close, to control the start and stop of the sundries at the suction filter screen 101 place.

When the aspirator is in use, by starting the negative pressure suction device 500, opening the first valve 300 and closing the second valve 400, the suction end of the medical aspirator can perform adsorption work, such as suctioning blood, rinsing fluid or/and surgery at the suction end. Smog or the like; during its adsorption operation, the filter screen 101 will filter out the foreign matter therein, such as bone chips, soft tissue or/and bone tumors, etc.; When clearing the debris, close the first valve 300 and open the second valve 400, so that the negative pressure suction device 500 can absorb the impurities at the filter screen 101 through the third end of the Y-shaped pipe 200, thereby filtering the filter screen 101 The sundries out are removed from the filter screen 101 to ensure that the filter screen 101 will not be blocked. After the filter screen 101 is cleaned, the first valve 300 is opened again and the second valve 400 is closed, so that the suction end of the medical aspirator performs adsorption operation again.

In this embodiment, after the negative pressure suction device 500 is started, the on-off switching of the first valve 300 and the second valve 400 is used to realize the normal operation of the suction device and automatically remove the sundries at the filter screen 101; The aspirator is blocked by debris and cannot work normally. On the other hand, the debris is automatically cleaned, which saves the medical staff from manually cleaning or replacing the filter 101 or even directly replacing the aspirator. Increase in Fees. At the same time, the automatic cleaning of sundries realized by the opening and closing switching of the first valve 300 and the second valve 400 also avoids the occurrence of infection of the patient during the process of dredging or replacing the aspirator. Therefore, the comprehensive performance of the attractor is fully and fully improved.

In addition, it should be noted that the negative pressure suction device 500 can suck and dispose of blood, irrigating fluid or/and surgical smoke, including bone chips, soft tissue or/and bone tumors, etc. through the Y-shaped tube 200 Obvious to a technician.

Referring to FIG. 1 and FIG. 2 , further, one end of the conduit 100 is formed with a cross-shaped retaining arm 102 for filtering debris.

At the suction end of the medical suction device, that is, a cross-shaped arm 102 is installed at one end of the catheter 100, which can first filter the larger debris so that it is blocked by the cross-shaped arm 102 at the suction end of the medical aspirator. External, so as to avoid blocking the filter screen 101 on the one hand, to ensure that the suction work of the suction device can be carried out normally; The large and blocked Y-shaped tube 200 realizes the normal suction function; in this way, after the cross-shaped retaining arm 102 filters the foreign matter that is too large in shape, the foreign matter is filtered again by the filter screen 101, thereby realizing medical use. Adequate filtration of the aspirator.

Referring to Fig. 1, further, the Y-shaped pipe 200 has first to third pipe parts 201-203 communicating with each other. Three ends, the other ends of the first to third pipe parts 201-203 are connected; the diameters of the inner pipes of the first pipe part 201, the third pipe part 203 and the second pipe part 202 increase sequentially.

Considering that the third pipe part 203 needs to suck the sundries, while the first pipe part 201 only sucks the content in "background technology", so its section requirement is not large, and the third pipe part 203 needs to absorb the filter screen 101 Filtrated sundries, so its cross-section requirements are larger relative to the first pipe part 201, so the cross-section of the third pipe part 203 will be greater than the cross-section of the first pipe part 201; and the second pipe part 202 will make the contents and sundries Once the second pipe part 202 is blocked, the whole suction device will not work. Therefore, in order to ensure the normal operation of the suction device, the cross section of the second pipe part 202 should be made larger. Therefore, the inner tube diameters of the first tube part 201 , the third tube part 203 and the second tube part 202 increase sequentially.

Referring to FIG. 1 , further, the side wall of the duct 100 where the filter screen 101 is installed is formed to be transparent, so as to observe the blocking condition of the filter screen 101 . To observe whether there is blockage on the filter screen 101 , and correspondingly change the switch conversion of the first valve 300 and the second valve 400 to suck away the sundries from the filter screen 101 .

Referring to FIG. 1 , FIG. 3 and FIG. 4 , further, the first valve 300 includes: a blocking plate 301 , a connecting rod 302 and a handle 303 . The plate surface of the blocking plate 301 is formed into a circle and installed in the Y-shaped pipe 200 or the conduit 100 to seal the conduit 100 when the first valve 300 is closed; the connecting rod 302 is connected with the blocking plate 301, and the connecting rod 302 is threaded Fittingly inserted into the side wall of the Y-shaped tube 200 or the conduit 100; the handle 303 is connected with the connecting rod 302, and the blocking plate 301 is rotated relative to the Y-shaped tube 200 or the conduit 100 by turning the handle 303 to realize the opening and closing of the first valve 300.

The aforementioned first valve 300 has a simple structure and is easy to manufacture, thus making it low in cost and acceptable to patients.

Referring to Fig. 5, further, the first valve 300 further includes: a rubber ring 304, which is installed on the circumference of the blocking plate 301, and when the first valve 300 is in a closed state, the rubber ring 304 is used to seal the baffle with a Y-shaped The gap between the inner walls of the tube 200 or conduit 100 .

Complete sealing of the first valve 300 is achieved by the rubber ring 304 . In order to ensure the sealing effect of the first valve 300 in the closed state.

Referring to FIG. 1 , further, the second valve 400 has the same structure as the first valve 300 .

Not shown in the drawings, further, by controlling the opening or closing of the first valve 300, the suction end of the medical aspirator attracts blood, irrigating fluid or/and surgical smoke; or, the filter screen 101 is used to filter out bone debris, Soft tissue and/or bone tumors.

Not shown in the drawings, further, by controlling the opening or closing of the first valve 300, the suction end of the medical aspirator attracts blood, irrigating fluid or/and surgical smoke; and the filter screen 101 is used to filter out bone debris, Soft tissue and/or bone tumors.

Referring to FIG. 1 , further, the filter screen 101 is formed with a storage area 1011 , where debris is filtered out by the filter screen 101 and kept in the storage area, and the third end of the Y-shaped pipe 200 communicates with the conduit 100 at the storage area.

Not shown in the drawings, further, the conduit 100 and the Y-shaped pipe 200 are pipes made of plastic; or, the first valve 300 and the second valve 400 are valves made of plastic.

Not shown in the drawings, further, the conduit 100 and the Y-shaped pipe 200 are pipes made of plastic; and the first valve 300 and the second valve 400 are valves made of plastic.

So far, those skilled in the art should recognize that although a number of exemplary embodiments of the present invention have been shown and described in detail herein, they can still be used according to the present invention without departing from the spirit and scope of the present invention. Many other variations or modifications that conform to the principles of the utility model are directly determined or derived from the disclosed content of the new model. Therefore, the scope of the present invention should be understood and deemed to cover all such other variations or modifications.

Claims (10)

1. A medical suction device, comprising: A conduit with two connected ends, a filter screen for filtering sundries is installed in the conduit, and one end of the conduit is the suction end of the medical suction device; Y-shaped tube, its three ends are connected, the first end of the Y-shaped tube communicates with the other end of the catheter, and the second end of the Y-shaped tube is connected with a negative pressure suction device, so that the The suction end of the medical suction device can carry out the adsorption operation; the third end of the Y-shaped pipe communicates with the side wall of the conduit at the filter screen, so as to use the negative pressure suction device to suck the suction at the filter screen. said debris; The first valve is installed at the first end of the Y-shaped tube or the other end of the conduit, and controls the suction end of the medical suction device to perform or stop the suction operation by opening or closing the first valve; as well as The second valve is installed at the third end of the Y-shaped pipe, and is used to control the start and stop of sucking the sundries at the filter screen by opening or closing the second valve. 2 . The medical aspirator according to claim 1 , wherein a cross-shaped retaining arm for filtering sundries is formed at one end of the conduit. 3 . 3. The medical suction device according to claim 1, characterized in that, the Y-shaped tube has a first tube part, a second tube part and a third tube part communicating with each other, the first tube part, the One end of the second pipe part and the third pipe part are respectively formed as the first end, the second end and the third end of the Y-shaped pipe, the first pipe part, the first pipe part The second pipe part and the other end of the third pipe part are connected; The inner tube diameters of the first tube part, the third tube part and the second tube part increase sequentially. 4 . The medical suction device according to claim 1 , wherein the side wall of the conduit where the filter is installed is formed to be transparent, so as to observe the blocking condition of the filter. 5 . 5. The medical suction device according to claim 1, wherein the first valve comprises: a blocking plate, the plate surface of which is formed in a circular shape and installed in the Y-shaped pipe or the conduit, so as to seal the conduit when the first valve is closed; a connecting rod connected to the blocking plate, the connecting rod is threadedly inserted into the Y-shaped pipe or the side wall of the conduit; and The handle is connected with the connecting rod, and by turning the handle, the blocking plate is rotated relative to the Y-shaped pipe or the conduit, so as to realize the opening and closing of the first valve. 6. The medical suction device according to claim 5, wherein the first valve further comprises: A rubber ring is installed on the circumference of the baffle plate. When the first valve is closed, the rubber ring is used to seal the gap between the baffle plate and the Y-shaped pipe or the inner wall of the conduit. gap. 7. The medical aspirator according to claim 6, wherein the second valve has the same structure as the first valve. 8. The medical aspirator according to any one of claims 1 to 7, characterized in that, By controlling the opening or closing of the first valve, the inhalation end of the medical aspirator attracts blood, irrigating fluid or/and surgical smoke; Or/and, the filter is used to filter out bone debris, soft tissue or/and bone tumors. 9. The medical suction device according to any one of claims 1 to 7, characterized in that, the filter screen forms a storage area, and the sundries are filtered out by the filter screen and kept in the storage area , the third end of the Y-shaped pipe communicates with the conduit at the storage area. 10. The medical suction device according to any one of claims 1 to 7, characterized in that, the conduit and the Y-shaped tube are pipes made of plastic; Or/and, the first valve and the second valve are valves made of plastic.