Medical negative pressure drainage device

Abstract

The utility model discloses a medical negative pressure drainage device, and belongs to the technical field of negative pressure drainage devices. The stand column is fixedly connected to the top of the base, the negative pressure bottle is arranged on the outer side of the stand column, a positioning structure is arranged on the surface of the stand column and comprises a connecting block fixedly connected to the surface of the stand column, the inner side of the connecting block is movably connected with a pressing plate through a pin shaft, and the side, away from the connecting block, of the pressing plate extends to the outer side of the negative pressure bottle. The inner side of the pressing plate makes contact with the surface of the negative pressure bottle. According to the negative pressure drainage device, the pressing plate is extruded through the transmission structure, the pressing plate swings with the pin shaft in the connecting block as the axis, when the inner side of the pressing plate makes contact with the surfaces of the negative pressure bottles, the effect of synchronously extruding and fixing the multiple negative pressure bottles is achieved, the structural functionality of an existing negative pressure drainage device can be improved, and the negative pressure drainage device is convenient to use. The auxiliary clamping jaws fix the multiple negative pressure bottles, the phenomenon that the negative pressure bottles are loosened due to liquid flowing vibration interference in the operation process is prevented, and the connection stability between the negative pressure bottles and the drainage apparatus is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of negative pressure drainage devices, and specifically relates to a medical negative pressure drainage device. Background Art

[0002] A negative pressure drainage device is an extracorporeal instrument used in conjunction with a non-intravascular catheter, excluding a negative source, a manual negative pressure source (negative pressure ball), and a drainage catheter inserted into the body, and is applicable to gastrointestinal decompression, wound drainage, etc.

[0003] For example, the patent number disclosed on the Chinese Patent Network is: 201921327244.5, and the patent name is: A negative pressure drainage device for medical blood collection, including a moving base, a fixing column is fixedly installed on the top of the moving base, a fixing groove is opened at the top of the fixing column, an adjusting column is slidably installed in the fixing groove, a fixing plate is fixedly sleeved on the adjusting column, a plurality of fixing seats are fixedly installed at the bottom of the fixing plate, placing holes are opened at the tops of the fixing plate and the fixing seats, and a negative pressure bottle is movably installed in the placing hole. The structure of the utility model is reasonable and easy to operate. This negative pressure drainage device for medical blood collection is convenient for temporarily fixing the position of the negative pressure bottle, saving time and effort, and the negative pressure bottle will not fall off when moving the use position.

[0004] However, the structure of the existing negative pressure drainage device is relatively simple. Multiple negative pressure bottles are mainly fixed by clamping claws, and are prone to loosening due to the interference of liquid flow and vibration during operation, resulting in the connection stability between the negative pressure bottle and the drainage device being affected.

[0005] Therefore, it is necessary to design and transform the medical negative pressure drainage device. Summary of the Utility Model

[0006] In order to solve the problems raised in the above background art, the purpose of the present utility model is to provide a medical negative pressure drainage device, which has the advantage of improving connection stability, and solves the problem that the structure of the existing negative pressure drainage device is relatively simple, multiple negative pressure bottles are mainly fixed by clamping claws, and are prone to loosening due to the interference of liquid flow and vibration during operation, resulting in the connection stability between the negative pressure bottle and the drainage device being affected.

[0007] The present utility model provides the following technical solution: A medical negative pressure drainage device, including a base;

[0008] A column fixedly connected to the top of the base;

[0009] A negative pressure bottle arranged outside the column;

[0010] A positioning structure is arranged on the surface of the column;

[0011] The positioning structure includes a connecting block fixedly connected to the surface of the column. A pressing plate is movably connected to the inner side of the connecting block through a pin shaft. One side of the pressing plate away from the connecting block extends to the outside of the negative pressure bottle. The inner side of the pressing plate contacts the surface of the negative pressure bottle. An opening is formed on the surface of the pressing plate. A transmission structure is arranged inside the column, and the transmission structure can drive the pressing plate to swing.

[0012] The beneficial effects of the present utility model are as follows:

[0013] 1. The present utility model squeezes the pressing plate through the transmission structure, causing the pressing plate to swing around the pin shaft inside the connecting block. When the inner side of the pressing plate contacts the surface of the negative pressure bottle, the effect of synchronously squeezing and fixing multiple negative pressure bottles is achieved. The present utility model can improve the structural functionality of the existing negative pressure drainage device, assist the claw in fixing multiple negative pressure bottles, prevent the negative pressure bottles from loosening due to the interference of liquid flow vibration during operation, and improve the connection stability between the negative pressure bottle and the drainage device.

[0014] 2. By setting the screw, nut sleeve, transmission rod and push rod, the present utility model can simultaneously control the swinging of multiple pressing plates and effectively control the pressing strength of the pressing plates. By setting the sleeve, the present utility model can protect the push rod and reduce the wear of the push rod and the pressing plate during contact friction. By setting the elastic plate, the present utility model can support the pressing plate and enable the pressing plate to have an elastic reset effect. By setting the claw, the present utility model can facilitate the pre-connection of the negative pressure bottle and the column, replacing the operation step of the user grasping and positioning the negative pressure bottle by hand. By setting the support frame, the present utility model can support the negative pressure bottle and improve the force-bearing and fixing effect of the negative pressure bottle. By setting the rotating wheel, the present utility model can facilitate the user to rotate the screw and increase the contact area between the screw and the hand. By setting the cover plate, the present utility model can improve the sealing effect of the column and support the screw at the same time. By setting the reinforcing rib, the present utility model can increase the contact area between the column and the base and prevent the connection between the two from breaking. By setting the rubber pad, the present utility model can improve the fixing effect of the claw and increase the friction between the claw and the negative pressure bottle. Description of the Drawings

[0015] Figure 1 It is a schematic structural diagram of the present utility model.

[0016] Figure 2 It is a front view structural diagram of the present utility model.

[0017] Figure 3 It is a partial structural diagram of the present utility model.

[0018] Figure 4 It is a partial structural sectional view of the present utility model. Detailed Embodiment

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model.

[0020] As Figures 1 to 4 shown, the medical negative pressure drainage device in this embodiment includes a base 1; a column 2 fixedly connected to the top of the base 1; a negative pressure bottle 3 arranged outside the column 2; a positioning structure 4 arranged on the surface of the column 2; the positioning structure 4 includes a connecting block 5 fixedly connected to the surface of the column 2, the inner side of the connecting block 5 is movably connected with a pressing plate 6 through a pin shaft, one side of the pressing plate 6 away from the connecting block 5 extends to the outside of the negative pressure bottle 3, the inner side of the pressing plate 6 is in contact with the surface of the negative pressure bottle 3, an opening 7 is formed on the surface of the pressing plate 6, a transmission structure 8 is arranged inside the column 2, and the transmission structure 8 can drive the pressing plate 6 to swing.

[0021] Referring to Figure 3 , the transmission structure 8 includes a screw rod 9 movably connected to the top of the base 1 through a bearing, the screw rod 9 is located inside the column 2, an adjustment groove 10 is formed on the surface of the column 2, a nut sleeve 11 located inside the column 2 is threadedly connected to the surface of the screw rod 9, a transmission rod 12 located inside the adjustment groove 10 is fixedly connected to the outside of the nut sleeve 11, one side of the transmission rod 12 away from the nut sleeve 11 penetrates through the opening 7 and extends to the outside of the pressing plate 6, a push rod 13 located at the bottom of the pressing plate 6 is fixedly connected to the surface of the transmission rod 12, and the outer surface of the push rod 13 is in contact with the surface of the pressing plate 6.

[0022] In this embodiment, by arranging the screw rod 9, the nut sleeve 11, the transmission rod 12 and the push rod 13, the swinging of multiple pressing plates 6 can be controlled simultaneously, and the extrusion strength of the pressing plate 6 can be effectively controlled.

[0023] Referring to Figure 3 , a sleeve 14 is sleeved on the surface of the push rod 13, and the outer surface of the sleeve 14 is in contact with the bottom of the pressing plate 6.

[0024] In this embodiment, by arranging the sleeve 14, the push rod 13 can be protected, and the wear of the push rod 13 and the pressing plate 6 during contact friction can be reduced.

[0025] Referring to Figure 4 , an elastic plate 15 is fixedly connected to the bottom of the transmission rod, one side of the elastic plate 15 away from the transmission rod is in contact with the top of the pressing plate 6, and the elastic plate 15 has elasticity.

[0026] In this embodiment, by arranging the elastic plate 15, the pressing plate 6 can be supported, and the pressing plate 6 can have an elastic reset effect.

[0027] Referring to Figure 3 , a claw 16 is fixedly connected to the surface of the column 2, one side of the claw 16 away from the column 2 is sleeved on the surface of the negative pressure bottle 3, and the claw 16 has elasticity.

[0028] In this embodiment, by providing the clamping jaws 16, it is convenient to pre-connect the negative pressure bottle 3 to the column 2, replacing the operation step of the user grasping and positioning the negative pressure bottle 3 by hand.

[0029] Reference Figure 3 , a support frame 17 is fixedly connected to the surface of the column 2 at the bottom of the clamping jaws 16, and the support frame 17 is sleeved on the surface of the negative pressure bottle 3.

[0030] In this embodiment, by providing the support frame 17, the negative pressure bottle 3 can be supported, and the force-bearing and fixing effect of the negative pressure bottle 3 can be improved.

[0031] Reference Figure 4 , the top end of the screw rod 9 penetrates through the column 2 and extends to the top of the column 2, and a runner 18 is fixedly connected to the top end of the screw rod 9.

[0032] In this embodiment, by providing the runner 18, it is convenient for the user to rotate the screw rod 9, and the contact area between the screw rod 9 and the hand can be increased.

[0033] Reference Figure 4 , a cover plate 19 is inserted into the top of the column 2, and the cover plate 19 is sleeved on the surface of the screw rod 9 and is movably connected to the screw rod 9.

[0034] In this embodiment, by providing the cover plate 19, the sealing effect of the column 2 can be improved, and at the same time, the screw rod 9 can be supported.

[0035] Reference Figure 3 , a reinforcing rib 20 is fixedly connected to the top of the base 1, and the side of the reinforcing rib 20 away from the base 1 is fixedly connected to the surface of the column 2.

[0036] In this embodiment, by providing the reinforcing rib 20, the contact area between the column 2 and the base 1 can be increased, and the phenomenon of fracture at the connection between the two can be prevented.

[0037] Reference Figure 3 , a rubber pad 21 is fixedly connected to the side of the pressing plate 6 away from the connecting block 5, the side of the rubber pad 21 away from the pressing plate 6 is in contact with the surface of the negative pressure bottle 3, and the rubber pad 21 has elasticity.

[0038] In this embodiment, by providing the rubber pad 21, the fixing effect of the clamping jaws 16 can be improved, and the friction between the clamping jaws 16 and the negative pressure bottle 3 can be increased.

[0039] In this utility model, the negative pressure bottle 3 is elastically fixed to the outside of the column 2 through the claw 16. When multiple negative pressure bottles 3 are all installed, the user rotates the runner 18, the runner 18 drives the screw rod 9 to rotate, and the screw rod 9 uses the thread to push the nut sleeve 11 to move vertically upward. During the movement of the nut sleeve 11, the transmission rod 12 is used to drive the push rod 13 to move synchronously. During the movement of the push rod 13, the pressure plate 6 is squeezed, so that the pressure plate 6 swings around the pin shaft inside the connecting block 5. When the inner side of the pressure plate 6 contacts the surface of the negative pressure bottle 3, the effect of squeezing and fixing the negative pressure bottle 3 is achieved.

Claims

1. A medical negative pressure drainage device, characterized in that: The medical negative pressure drainage device comprises a base (1); A column (2) fixedly connected to the top of the base (1); A negative pressure bottle (3) arranged outside the column (2); A positioning structure (4) is provided on the surface of the column (2); The positioning structure (4) comprises a connecting block (5) fixedly connected to the surface of the column (2); the inner side of the connecting block (5) is movably connected to a pressure plate (6) via a pin shaft; the pressure plate (6) extends to the outer side of the negative pressure bottle (3) away from the connecting block (5); the inner side of the pressure plate (6) contacts the surface of the negative pressure bottle (3); an opening (7) is provided on the surface of the pressure plate (6); a transmission structure (8) is provided inside the column (2); and the transmission structure (8) can drive the pressure plate (6) to swing.

2. A medical negative pressure drainage device according to claim 1, characterized in that: The transmission structure (8) comprises a screw rod (9) movably connected to the top of the base (1) through a bearing, the screw rod (9) is located inside the column (2), the surface of the column (2) is provided with an adjustment groove (10), the surface of the screw rod (9) is threadedly connected to a screw sleeve (11) located inside the column (2), the outer side of the screw sleeve (11) is fixedly connected to a transmission rod (12) located inside the adjustment groove (10), the side of the transmission rod (12) away from the screw sleeve (11) passes through the opening (7) and extends to the outer side of the pressure plate (6), the surface of the transmission rod (12) is fixedly connected to a push rod (13) located at the bottom of the pressure plate (6), and the outer surface of the push rod (13) is in contact with the surface of the pressure plate (6).

3. A medical negative pressure drainage device according to claim 2, characterized in that: The surface of the push rod (13) is sleeved with a sleeve (14), and the outer surface of the sleeve (14) is in contact with the bottom of the pressing plate (6).

4. A medical negative pressure drainage device according to claim 3, characterized in that: A spring plate (15) is fixedly connected to the bottom of the transmission rod, and a side of the spring plate (15) away from the transmission rod contacts the top of the pressure plate (6), and the spring plate (15) is elastic.

5. A medical negative pressure drainage device according to claim 4, characterized in that: A claw (16) is fixedly connected to the surface of the column (2); a side of the claw (16) away from the column (2) is sleeved on the surface of the negative pressure bottle (3); and the claw (16) is elastic.

6. A medical negative pressure drainage device according to claim 5, characterized in that: A support frame (17) located at the bottom of the claw (16) is fixedly connected to the surface of the column (2), and the support frame (17) is sleeved on the surface of the negative pressure bottle (3).

7. A medical negative pressure drainage device according to claim 5 or 6, characterized in that: The top end of the screw rod (9) passes through the column (2) and extends to the top of the column (2), and the top end of the screw rod (9) is fixedly connected to a rotating wheel (18).

8. A medical negative pressure drainage device according to claim 7, characterized in that: A cover plate (19) is inserted into the top of the column (2), and the cover plate (19) is sleeved on the surface of the screw rod (9) and is movably connected to the screw rod (9).

9. A medical negative pressure drainage device according to claim 8 or 2 or 1, characterized in that: A reinforcing rib (20) is fixedly connected to the top of the base (1), and a side of the reinforcing rib (20) away from the base (1) is fixedly connected to the surface of the column (2).

10. A medical negative pressure drainage device according to claim 9, characterized in that: A rubber pad (21) is fixedly connected to the side of the pressing plate (6) away from the connecting block (5); the side of the rubber pad (21) away from the pressing plate (6) is in contact with the surface of the negative pressure bottle (3); and the rubber pad (21) is elastic.

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