Negative pressure drainage tube

Abstract

The utility model relates to the related technical field of medical instruments, in particular to a negative pressure drainage tube which comprises a first tube body, a flushing mechanism is arranged on the surface of one side of the first tube body, and an adjusting mechanism is arranged on the surface of one side of the flushing mechanism. According to the negative pressure drainage tube, through the arrangement of the flushing mechanism and the adjusting mechanism, when the negative pressure drainage tube is used and a wound needs to be flushed, a second tube body can be manually pushed to a proper extending position along a sliding groove according to the position and depth requirements of the wound, so that a flushing spray head can be aligned to an area, needing to be flushed, in the wound; flushing liquid flows to the connecting column along the second pipe body and is sprayed out from the flushing spray head to flush a wound, the adjusting mechanism enables the position of the flushing spray head to be flexibly and stably adjusted according to needs so as to adapt to different wound conditions and flushing requirements, and the dual functions of drainage and flushing are achieved. The wound can be cleaned without replacing a new drainage tube, so that the wound treatment efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially, relate to a negative pressure drainage tube. BACKGROUND

[0002] Medical instrument refers to the instrument, equipment, appliance, in-vitro diagnostic reagent and calibrant, material and other similar or related articles for human body directly or indirectly, including the computer software needed, medical instrument includes medical equipment and medical consumables, the utility is mainly obtained through physical mode, is not obtained through pharmacology, immunology or metabolic mode, or although these modes participate, but only plays an auxiliary role, in the medical field, negative pressure drainage tube is often used for the drainage of wound to exclude the effusion, blood accumulation etc. in the wound, promote wound healing, therefore, particularly need a negative pressure drainage tube.

[0003] But the existing negative pressure drainage tube only has single drainage function, when needing to flush the wound, usually needs to remove the drainage tube first, then inserts the special flushing device, the process is not only cumbersome, increases the operation step and time of medical staff, and frequent replacement of the device can cause additional irritation and infection risk to the wound, is not conducive to the rapid and safe treatment of the wound. UTILITY MODEL CONTENT

[0004] The utility model discloses a negative pressure drainage tube to solve the problem that the existing negative pressure drainage tube only has single drainage function in the background art, when needing to flush the wound, usually needs to remove the drainage tube first, then inserts the special flushing device, the process is not only cumbersome, increases the operation step and time of medical staff, and frequent replacement of the device can cause additional irritation and infection risk to the wound, is not conducive to the rapid and safe treatment of the wound.

[0005] To achieve the above object, the utility model provides the following technical scheme: a negative pressure drainage tube, including first pipe body, the one side surface of first pipe body is provided with flushing mechanism, the one side surface of flushing mechanism is provided with adjusting mechanism,

[0006] The flushing mechanism includes connecting block, sliding slot, second pipe body, connecting column and flushing spray head, the outside surface of first pipe body is fixedly connected with connecting block, the inside surface of connecting block is equipped with sliding slot, the inside surface of sliding slot is slidably connected with second pipe body, one end surface of second pipe body is fixedly connected with connecting column, and the outside surface of connecting column is threadedly connected with flushing spray head.

[0007] Preferably, the inside dimension of the sliding slot is consistent with the outside dimension of the second pipe body, the outside surface of the connecting column is provided with threads, and the inside surface of the flushing spray head is provided with threads.

[0008] Preferably, the adjusting mechanism comprises an adjusting groove, an adjusting plate, an adjusting hole, a fixing column, a fixing groove, a moving plate, a moving groove, a limiting block, a limiting groove, a spring, a sliding column and a pulling block, an inner side surface of the connecting block is provided with the adjusting groove, an inner side surface of the adjusting groove is slidably connected with the adjusting plate, a side surface of the adjusting plate is provided with the adjusting hole, an inner side surface of the adjusting hole is slidably connected with the fixing column, an inner side surface of the adjusting groove is provided with the fixing groove, an end surface of the fixing column is fixedly connected with the moving plate, an inner side surface of the connecting block is provided with the moving groove, an outer side surface of the moving plate is fixedly connected with the limiting block, an inner side surface of the moving groove is provided with the limiting groove, an end surface of the moving plate is fixedly connected with the spring, an end surface of the moving plate is fixedly connected with the sliding column, an inner side surface of the connecting block is provided with the limiting groove, an end surface of the sliding column is provided with the pulling block.

[0009] Preferably, the adjusting plate is fixedly connected with the second pipe body, and multiple groups of adjusting holes are arranged at equal intervals on a surface of the adjusting plate.

[0010] Preferably, an inner side dimension of the adjusting groove is consistent with an outer side dimension of the adjusting plate, an outer side dimension of the fixing column is consistent with an inner side dimension of the fixing groove, and the outer side dimension of the fixing column is consistent with an inner side dimension of the adjusting hole.

[0011] Preferably, the limiting block is symmetrically provided with two groups about a central axis of the moving plate, and the fixing column constitutes a telescopic structure through the moving plate and the spring.

[0012] Preferably, the sliding column is slidably connected with the limiting groove, an outer side dimension of the sliding column is consistent with an inner side dimension of the limiting groove, and a diameter of the pulling block is greater than a diameter of the limiting groove.

[0013] Compared with the prior art, the beneficial effects of the utility model are: the negative pressure drainage tube, through the setting of the flushing mechanism and the adjusting mechanism, when needing to flush the wound, according to the position and depth requirement of the wound, manually push the second pipe body to the suitable extension position along the sliding groove, make the flushing nozzle can aim at the area needing to flush inside the wound, the flushing liquid will flow to the connecting column along the second pipe body, and then is ejected from the flushing nozzle, and the wound is flushed, when needing to replace the flushing nozzle, hold the flushing nozzle and rotate, make the flushing nozzle separate from the connecting column, then the inner thread of the new flushing nozzle is aligned with the outer thread of the connecting column, then rotate to another direction, make the new flushing nozzle be firmly connected on the connecting column, in the initial state, the fixed column is inserted in the adjusting hole and the fixed groove, at this time, the adjusting plate is fixed, when needing to adjust the position of the flushing nozzle, pull the pulling block, the pulling block drives the sliding column to slide outward in the limiting groove, and the moving plate also moves outward along the sliding column, in this process, the spring is compressed and deformed, and the elastic potential energy is stored, when the moving plate moves outward, the fixed column gradually separates from the fixed groove and the adjusting hole, and the locking of the adjusting plate is released, then, according to the actual demand, the second pipe body is moved, the second pipe body drives the adjusting plate to slide in the adjusting groove, when reaching the suitable position, the pulling block is loosened, the spring releases the stored elastic potential energy, and the moving plate is pushed into the corresponding adjusting hole and fixed groove, the adjusting plate is locked, thereby fixing the new position of the second pipe body and the flushing nozzle, the adjusting mechanism makes the position of the flushing nozzle be flexibly and stably adjusted according to the requirement, to adapt to different wound conditions and flushing requirements, realizes the double functions of drainage and flushing, the wound can be cleaned without replacing the new drainage tube, and the wound treatment efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the side view appearance structure schematic diagram of the utility model;

[0015] Figure 2 It is the second pipe body and connecting block mutual cooperation structure schematic diagram of the utility model;

[0016] Figure 3 It is the fixed column and fixed groove mutual cooperation structure schematic diagram of the utility model;

[0017] Figure 4 It is the moving groove and limiting groove mutual cooperation structure schematic diagram of the utility model;

[0018] Figure 5 It is the connecting column and flushing nozzle mutual cooperation structure schematic diagram of the utility model.

[0019] In the figure: 1, first pipe body; 2, flushing mechanism; 201, connecting block; 202, sliding groove; 203, second pipe body; 204, connecting column; 205, flushing nozzle; 3, adjusting mechanism; 301, adjusting groove; 302, adjusting plate; 303, adjusting hole; 304, fixing column; 305, fixing groove; 306, moving plate; 307, moving groove; 308, limiting block; 309, limiting groove; 310, spring; 311, sliding column; 312, limiting groove; 313, pulling block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figures 1-5 The utility model provides a kind of technical solutions: a negative pressure drainage tube, including first pipe body 1, the side surface of first pipe body 1 is provided with flushing mechanism 2, the side surface of flushing mechanism 2 is provided with adjusting mechanism 3;

[0022] Flushing mechanism 2 includes connecting block 201, sliding groove 202, second pipe body 203, connecting column 204 and flushing nozzle 205, the outer side surface of first pipe body 1 is fixedly connected with connecting block 201, the inner side surface of connecting block 201 is provided with sliding groove 202, the inner side surface of sliding groove 202 is slidably connected with second pipe body 203, the end surface of second pipe body 203 is fixedly connected with connecting column 204, the outer side surface of connecting column 204 is threadedly connected with flushing nozzle 205, by the setting of connecting block 201, sliding groove 202, second pipe body 203, connecting column 204 and flushing nozzle 205, when needing to flush wound in use, according to the position and depth requirement of wound, manually push second pipe body 203 to suitable extended position along sliding groove 202, so that flushing nozzle 205 can be aligned with the area needing to be flushed inside wound, flushing liquid will flow to connecting column 204 along second pipe body 203, and is ejected from flushing nozzle 205, to flush wound, when needing to replace flushing nozzle 205, hold flushing nozzle 205 and rotate, so that flushing nozzle 205 is separated from connecting column 204, then the inner side thread of new flushing nozzle 205 is aligned with the outer side thread of connecting column 204, then rotates in another direction, so that new flushing nozzle 205 is firmly connected on connecting column 204.

[0023] Further, the inner side size of the sliding groove 202 is consistent with the outer side size of the second pipe body 203, the outer side surface of the connecting column 204 is provided with a thread, and the inner side surface of the flushing nozzle 205 is provided with a thread. Through the arrangement of the connecting column 204 and the flushing nozzle 205, in use, the connecting column 204 and the flushing nozzle 205 are connected in a threaded connection mode, which on the one hand facilitates the installation and removal of the flushing nozzle 205, and on the other hand the threaded connection can provide a relatively stable connection structure, so that the connection between the connecting column 204 and the flushing nozzle 205 is more stable.

[0024] Further, the adjusting mechanism 3 comprises an adjusting groove 301, an adjusting plate 302, an adjusting hole 303, a fixing column 304, a fixing groove 305, a moving plate 306, a moving groove 307, a limiting block 308, a limiting groove 309, a spring 310, a sliding column 311, a limiting groove 312 and a pulling block 313, the inner side surface of the connecting block 201 is provided with the adjusting groove 301, the inner side surface of the adjusting groove 301 is slidably connected with the adjusting plate 302, one side surface of the adjusting plate 302 is provided with the adjusting hole 303, the inner side surface of the adjusting hole 303 is slidably connected with the fixing column 304, the inner side surface of the adjusting groove 301 is provided with the fixing groove 305, one end surface of the fixing column 304 is fixedly connected with the moving plate 306, the inner side surface of the connecting block 201 is provided with the moving groove 307, the outer side surface of the moving plate 306 is fixedly connected with the limiting block 308, the inner side surface of the moving groove 307 is provided with the limiting groove 309, one end surface of the moving plate 306 is fixedly connected with the spring 310, one end surface of the moving plate 306 is fixedly connected with the sliding column 311, the inner side surface of the connecting block 201 is provided with the limiting groove 312, one end surface of the sliding column 311 is provided with the pulling block 313, through the setting of the adjusting groove 301, the adjusting plate 302, the adjusting hole 303, the fixing column 304, the fixing groove 305, the moving plate 306, the moving groove 307, the limiting block 308, the limiting groove 309, the spring 310, the sliding column 311, the limiting groove 312 and the pulling block 313, in use, in the initial state, the fixing column 304 is inserted in the adjusting hole 303 and the fixing groove 305, at this time the adjusting plate 302 is fixed, when it is needed to adjust the position of the flushing nozzle 205, the pulling block 313 is pulled, the pulling block 313 drives the sliding column 311 to slide outward in the limiting groove 312, the moving plate 306 also moves outward with the sliding column 311, in this process the spring 310 is compressed and deformed, storing elastic potential energy, when the moving plate 306 moves outward, the fixing column 304 gradually comes out of the fixing groove 305 and the adjusting hole 303, releasing the locking of the adjusting plate 302, then, according to the actual demand, the second pipe body 203 is moved, the second pipe body 203 drives the adjusting plate 302 to slide in the adjusting groove 301, when reaching the appropriate position, the pulling block 313 is released, the spring 310 releases the elastic potential energy stored before, pushing the moving plate 306 to be clamped into the corresponding adjusting hole 303 and fixing groove 305, locking the adjusting plate 302, so as to fix the new position of the second pipe body 203 and the flushing nozzle 205, the adjusting mechanism 3 makes the position of the flushing nozzle 205 be able to be flexibly and stably adjusted according to the demand, to adapt to different wound conditions and flushing requirements.

[0025] Further, the adjusting plate 302 is fixedly connected with the second pipe body 203, and a plurality of groups of adjusting holes 303 are arranged at the surface of the adjusting plate 302 at equal intervals. Through the arrangement of the adjusting holes 303, in use, the equal-interval adjusting holes 303 enable medical staff to adjust the position of the flushing nozzle 205 according to the specific characteristics of the wound at a relatively accurate interval, so that the flexibility and fineness of the position adjustment of the flushing nozzle 205 are improved.

[0026] Further, the inner size of the adjusting groove 301 is consistent with the outer size of the adjusting plate 302, the outer size of the fixing column 304 is consistent with the inner size of the fixing groove 305, and the outer size of the fixing column 304 is consistent with the inner size of the adjusting hole 303. Through the arrangement of the adjusting groove 301 and the adjusting plate 302, in use, the adjusting groove 301 provides a stable sliding track for the adjusting plate 302, so that the second pipe body 203 moves more smoothly.

[0027] Further, the two groups of limiting blocks 308 are symmetrically arranged at the central axis of the moving plate 306, and the fixing column 304 constitutes a telescopic structure through the moving plate 306 and the spring 310. Through the arrangement of the limiting blocks 308, in use, the two groups of limiting blocks 308 limit the movement of the moving plate 306 from different positions, prevent it from deviating or shaking, so that the moving plate 306 moves more stably.

[0028] Further, the sliding column 311 is slidably connected with the limiting groove 312, the outer size of the sliding column 311 is consistent with the inner size of the limiting groove 312, and the diameter of the pulling block 313 is greater than the diameter of the limiting groove 312. Through the arrangement of the sliding column 311 and the limiting groove 312, in use, the sliding column 311 is slidably connected with the limiting groove 312 and the sizes are consistent, which guarantees the stability and directionality of the movement of the sliding column 311 in the limiting groove 312, prevents the adjusting mechanism 3 from malfunctioning or deviating due to the shaking or deviation of the sliding column 311, and makes the whole adjusting process more accurate and reliable.

[0029] Working principle: when the wound needs to be flushed, according to the position and depth of the wound, manually push the second pipe body 203 along the sliding groove 202 to the appropriate extension position, so that the flushing nozzle 205 can be aimed at the area inside the wound that needs to be flushed, the flushing liquid will flow along the second pipe body 203 to the connecting column 204, and then be sprayed out of the flushing nozzle 205 to flush the wound, when the flushing nozzle 205 needs to be replaced, hold the flushing nozzle 205 and rotate it to make the flushing nozzle 205 separate from the connecting column 204, then align the inside threads of the new flushing nozzle 205 with the outside threads of the connecting column 204, and then rotate in the other direction to make the new flushing nozzle 205 firmly connected to the connecting column 204, in the initial state, the fixed column 304 is inserted in the adjusting hole 303 and the fixed groove 305, at this time the adjusting plate 302 is fixed, when the position of the flushing nozzle 205 needs to be adjusted, pull the pull block 313, the pull block 313 drives the sliding column 311 to slide outward in the limiting groove 312, the moving plate 306 also moves outward with the sliding column 311, in this process the spring 310 is compressed and deformed, storing elastic potential energy, when the moving plate 306 moves outward, the fixed column 304 gradually comes out of the fixed groove 305 and the adjusting hole 303, releasing the locking of the adjusting plate 302, then move the second pipe body 203 according to the actual needs, the second pipe body 203 drives the adjusting plate 302 to slide in the adjusting groove 301, when it reaches the appropriate position, release the pull block 313, the spring 310 releases the elastic potential energy stored before, pushing the moving plate 306 to be clamped into the corresponding adjusting hole 303 and fixed groove 305, locking the adjusting plate 302, so as to fix the new position of the second pipe body 203 and the flushing nozzle 205, the adjusting mechanism 3 makes the position of the flushing nozzle 205 flexible and stable according to the needs, to adapt to different wound conditions and flushing requirements.

[0030] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A negative pressure drainage tube, comprising a first tube body (1), characterized in that: A rinsing mechanism (2) is provided on one side surface of the first tube (1), and an adjustment mechanism (3) is provided on one side surface of the rinsing mechanism (2). The rinsing mechanism (2) includes a connecting block (201), a sliding groove (202), a second tube (203), a connecting column (204), and a rinsing nozzle (205). The connecting block (201) is fixedly connected to the outer surface of the first tube (1). The sliding groove (202) is provided on the inner surface of the connecting block (201). The second tube (203) is slidably connected to the inner surface of the sliding groove (202). The connecting column (204) is fixedly connected to one end surface of the second tube (203). The rinsing nozzle (205) is threadedly connected to the outer surface of the connecting column (204).

2. The negative pressure drainage tube according to claim 1, characterized in that: The inner dimension of the sliding groove (202) matches the outer dimension of the second tube (203), the outer surface of the connecting column (204) is provided with threads, and the inner surface of the flushing nozzle (205) is provided with threads.

3. The negative pressure drainage tube according to claim 1, characterized in that: The adjustment mechanism (3) includes an adjustment groove (301), an adjustment plate (302), an adjustment hole (303), a fixed column (304), a fixed groove (305), a moving plate (306), a moving groove (307), a limiting block (308), a limiting groove (309), a spring (310), a sliding column (311), a limiting groove (312), and a pulling block (313). The inner surface of the connecting block (201) is provided with an adjustment groove (301). The inner surface of the adjustment groove (301) is slidably connected to the adjustment plate (302). One side surface of the adjustment plate (302) is provided with an adjustment hole (303). The inner surface of the adjustment hole (303) is slidably connected to the fixed column (304). The adjustment groove (301) is slidably connected to the fixed column (304). A fixing groove (305) is provided on the inner surface of the connecting block (201). A movable plate (306) is fixedly connected to one end surface of the fixing column (304). A movable groove (307) is provided on the inner surface of the connecting block (201). A limiting block (308) is fixedly connected to the outer surface of the movable plate (306). A limiting groove (309) is provided on the inner surface of the movable groove (307). A spring (310) is fixedly connected to one end surface of the movable plate (306). A sliding column (311) is fixedly connected to one end surface of the movable plate (306). A limiting groove (312) is provided on the inner surface of the connecting block (201). A pulling block (313) is provided on one end surface of the sliding column (311).

4. A negative pressure drainage tube according to claim 3, characterized in that: The adjusting plate (302) is fixedly connected to the second tube (203), and the adjusting holes (303) are arranged in multiple sets at equal intervals on the surface of the adjusting plate (302).

5. A negative pressure drainage tube according to claim 3, characterized in that: The inner dimension of the adjusting groove (301) matches the outer dimension of the adjusting plate (302), the outer dimension of the fixing column (304) matches the inner dimension of the fixing groove (305), and the outer dimension of the fixing column (304) matches the inner dimension of the adjusting hole (303).

6. A negative pressure drainage tube according to claim 3, characterized in that: The limiting blocks (308) are arranged in two sets symmetrically around the central axis of the movable plate (306), and the fixed column (304) forms a telescopic structure through the movable plate (306) and the spring (310).

7. A negative pressure drainage tube according to claim 3, characterized in that: The sliding column (311) is slidably connected to the limiting groove (312), the outer dimension of the sliding column (311) matches the inner dimension of the limiting groove (312), and the diameter of the pulling block (313) is greater than the diameter of the limiting groove (312).

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