Buffer device and drainage apparatus thereof

Abstract

The buffer device comprises a sensor, an alarm and a buffer structure and is used for increasing the buffer capacity of a drainage tube when the drainage tube is pulled and protecting connection between a drainage device connector and a human body. A protection structure and a drainage structure are adopted, the buffer tube is a spiral tube to increase the buffer capacity of the drainage device when the drainage device is pulled, collided and extruded, the sensor reminds a patient, family members or nursing personnel at the moment, meanwhile, the compressed air bottle switch is turned on to enable the filling layer to expand, and the buffer tube and the drainage connector in the fixing plate are subjected to filling protection; meanwhile, the position of the drainage device is fixed, the joint of the drainage tube and the human body is protected, only liquid or gas can flow into the liquid inlet tube, only gas or liquid can flow out of the liquid outlet tube under control, the drained liquid cannot enter the human body any more, the negative pressure cavity can exhaust gas many times, negative pressure in the collector is increased, suction drainage is increased, and the effect of the drainage device is improved.

Description

TECHNICAL FIELD

[0001] The utility model discloses medical equipment field, especially relate to a buffer device and its drainage device. BACKGROUND

[0002] Drainage tube is for clinical surgery drainage, and is used for guiding the pus, blood and liquid accumulated in human tissue or body cavity to the outside of the body to prevent postoperative infection and promote wound healing. There are many types of surgical drainage tubes used in clinical practice, some of which are used for urinary catheterization, some of which are used for wound, chest cavity, brain cavity, gastrointestinal tract, biliary tract, etc. Surgical drainage is to guide the pus, blood and liquid accumulated in human tissue or body cavity to the outside of the body to prevent postoperative infection and affect wound healing. The existing drainage device, such as the drainage device with buffer device provided in patent No. CN220608771U, comprises a drainage tube and a drainage liquid collector connected to each other, and a plurality of buffer devices are arranged on the drainage tube, and the drainage liquid collector is provided with a scale. By increasing the spiral structure of the buffer tube to increase the length of the drainage tube, the drainage tube has a buffering effect when being pulled. The length of the buffer tube is limited, and the buffering effect is limited. The sensor triggers an alarm, and the connection between the drainage tube and the human body is not protected. SUMMARY

[0003] The utility model provides a kind of buffer device and its drainage device, at least can solve the problem indicated in background art.

[0004] A kind of buffer device, comprising:

[0005] Buffer tube;

[0006] Sensor;

[0007] Alarm;

[0008] Buffer structure, for increasing the buffering capacity of drainage tube when being pulled and protecting the connection between drainage device interface and human body;

[0009] Wherein, the buffer structure inner side wall is fixedly connected away from the sensor side of buffer tube, the sensor is fixedly installed on one side of buffer tube, and the alarm is fixedly installed on the other side of buffer tube.

[0010] The top end of the buffer tube is fixedly connected to one end of the drainage tube through embedding, the bottom end of the buffer tube is fixedly connected to one end of the drainage interface through embedding, and the buffer tube is a spiral hollow pipe.

[0011] The buffer structure comprises:

[0012] Fixed plate, fixedly installed on the side of sensor away from buffer tube;

[0013] Filling layer, fixedly installed on the inner side wall of fixed plate;

[0014] A compressed gas cylinder is fixedly installed on one side of the proximity sensor of the fixed plate.

[0015] The fixed plate is in the shape of a U, the filling layer is hollow inside, and the compressed gas cylinder switch is connected to the sensor through an electric wire.

[0016] The drainage device further comprises the above-mentioned buffer device.

[0017] A collector;

[0018] A scale line;

[0019] A socket cover;

[0020] A liquid inlet pipe;

[0021] A liquid outlet pipe;

[0022] A drainage structure for providing negative pressure inside the collector and controlling the liquid inflow speed;

[0023] An anti-suckback assembly for providing a sealed environment inside the collector and controlling the liquid flow direction;

[0024] The drainage structure is arranged inside the collector, the anti-suckback assembly is arranged inside the socket cover, the scale line is arranged on the outer wall of the collector, the socket cover is fixedly arranged at the top end of the collector, the liquid inlet pipe is connected with the inside of the collector through the socket cover, and the liquid outlet pipe is connected with the inside of the collector through the socket cover.

[0025] The drainage structure comprises:

[0026] A partition layer fixedly arranged inside the collector;

[0027] A negative pressure cavity for the side of the collector away from the socket cover;

[0028] A hydrops cavity for the other side of the collector;

[0029] A baffle movably arranged inside the negative pressure cavity;

[0030] A handle fixedly arranged at the top end of the baffle and penetrating the top end wall of the negative pressure cavity;

[0031] The size of the partition layer is adapted to the size of the inside of the collector, and the size of the baffle is adapted to the size of the inside of the negative pressure cavity.

[0032] The anti-suckback assembly comprises:

[0033] A liquid inlet cavity arranged inside the liquid inlet pipe in the socket cover;

[0034] A liquid inlet spring fixedly connected at the bottom end with the larger end of the liquid inlet cavity;

[0035] The liquid inlet ball is fixedly arranged at the top end of the liquid inlet spring.

[0036] The liquid outlet cavity is arranged inside the outlet pipe in the inner part of the plug cover.

[0037] The liquid outlet spring is fixedly connected with the end of the liquid outlet cavity with large size at the bottom end.

[0038] The liquid outlet ball is fixedly arranged at the top end of the liquid outlet spring.

[0039] The liquid inlet cavity and the liquid outlet cavity are both in the shape of a circular truncated cone, the size of the liquid inlet ball is matched with the size of the inside of the liquid inlet cavity, and the size of the liquid outlet ball is matched with the size of the liquid outlet cavity.

[0040] The top end of the liquid inlet pipe is fixedly connected with the other end of the drainage pipe through embedding.

[0041] The collector, the liquid inlet pipe, the liquid outlet pipe, the drainage pipe and the drainage interface are all made of transparent silicone rubber material.

[0042] Compared with the prior art, the utility model has the advantages of:

[0043] When the utility model is used, the drainage interface is connected with the part of the human body which needs to be drained, the arm or the leg which is close to the part of the human body which needs to be drained can be placed in the fixed plate, the buffer pipe is a spiral pipe, the buffer capacity of the drainage device when being pulled, collided and extruded can be increased, the sensor is arranged on the buffer pipe, the alarm is alarmed when the sensor is touched when being pulled, collided and extruded, the patient, the family member or the nursing personnel can be reminded in time, meanwhile, the sensor opens the compressed gas cylinder switch, the gas in the compressed gas cylinder enters the filling layer and makes the filling layer expand, the buffer pipe and the drainage interface in the fixed plate are filled and protected, the position of the buffer pipe and the drainage interface in the fixed plate is fixed, and the connection part between the drainage pipe and the human body is protected.

[0044] When the utility model is used, the handle is held in the hand and the baffle is pulled upward in the negative pressure chamber to generate negative pressure in the negative pressure chamber, which is connected to the negative pressure in the liquid accumulation chamber. The liquid is connected to the drainage pipe through the liquid inlet pipe and then to the buffer pipe and then to the drainage interface, generating suction at the drainage interface to suck the liquid into the collector. The distance moved by the baffle can be observed through the scale line to control the size of the negative pressure generated in the negative pressure chamber, and then the speed and amount of the liquid sucked in can be controlled. When the device is not working, the liquid inlet spring is in an extended state, the liquid inlet ball blocks the top of the liquid inlet chamber, and the liquid flows into the liquid accumulation chamber from the liquid inlet pipe to compress the spring, and the gas Or when liquid enters the liquid inlet chamber from the accumulator chamber, the liquid inlet ball blocks the top of the liquid inlet chamber so that it cannot pass through, and the liquid inlet pipe is controlled to only allow liquid or gas to flow in. The liquid outlet spring is in an extended state, and the liquid outlet ball blocks the bottom of the liquid outlet chamber. Liquid flows from the liquid outlet pipe into the accumulator chamber to compress the spring. When gas or liquid enters the liquid outlet chamber from the accumulator chamber, the liquid outlet ball blocks the top of the liquid outlet chamber so that it cannot pass through, and the liquid outlet pipe is controlled to only allow gas or liquid to flow out, so that the drained liquid will not enter the human body again. The negative pressure chamber can discharge gas multiple times to increase the negative pressure in the collector, increase suction drainage, and improve the drainage effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] Figure 1 This is a schematic diagram of the main structure of the drainage device of the present utility model;

[0046] Figure 2 This is a schematic diagram of the buffer structure of the utility model;

[0047] Figure 3 This is a schematic diagram of the internal structure of the collector of the present utility model;

[0048] Figure 4 This is a schematic diagram of the internal structure of the socket cover of the present invention.

[0049] Description of reference numerals:

[0050] 1. Collector; 2. Scale line; 3. Drainage structure; 301. Interlayer; 302. Negative pressure chamber; 303. Fluid accumulation chamber; 304. Baffle; 305. Handle; 4. Liquid inlet pipe; 401. Liquid inlet chamber; 402. Liquid inlet ball; 403. Liquid inlet spring; 5. Liquid outlet pipe; 501. Liquid outlet chamber; 502. Liquid outlet spring; 503. Liquid outlet ball; 6. Socket cover; 7. Drainage tube; 8. Alarm; 9. Buffer structure; 901. Buffer tube; 902. Filling layer; 903. Fixing plate; 904. Compressed gas cylinder; 10. Sensor; 11. Drainage interface. DETAILED DESCRIPTION

[0051] A specific embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiment.

[0052] Example 1

[0053] As Figures 1 to 2 shown, the buffer structure 9 provided by the utility model embodiment, including sensor 10, alarm 8 and buffer structure 9, for increasing the buffer capacity of drainage tube 7 when being pulled and protecting the connection of drainage device interface and human body;Wherein, the inner wall of buffer structure 9 is fixedly connected with the side of sensor 10 away from buffer tube 901, sensor 10 is fixedly installed on one side of buffer tube 901, and alarm 8 is fixedly installed on the other side of buffer tube 901;

[0054] Specifically, the top end of buffer tube 901 is fixedly connected with one end of drainage tube 7 through embedding, the bottom end of buffer tube 901 is fixedly connected with one end of drainage interface 11 through embedding, and the buffer tube 901 is a spiral hollow pipe, which can increase the buffer capacity of the drainage device when being pulled, collided and extruded.

[0055] Buffer structure 9 includes: fixed plate 903 fixedly installed on the side of sensor 10 away from buffer tube 901, filling layer 902 fixedly installed on the inner wall of fixed plate 903, and compressed gas cylinder 904 fixedly installed on the side of fixed plate 903 close to sensor 10;Wherein, the fixed plate 903 is shaped as a U shape, the filling layer 902 is hollow inside, the switch of compressed gas cylinder 904 is connected with sensor 10 through wires, the alarm 8 is alarmed after sensor 10 is triggered when being pulled, collided and extruded, so as to timely remind the patient, family members or nursing personnel, at the same time, sensor 10 opens the switch of compressed gas cylinder 904, the gas in compressed gas cylinder 904 enters filling layer 902 to make it swell, filling layer 902 fills and protects buffer tube 901 and drainage interface 11 in fixed plate 903, and at the same time, the position of buffer tube 901 and drainage interface 11 is fixed, and the connection between drainage tube 7 and human body is protected.

[0056] Embodiment two

[0057] As Figure 1 , Figure 3 and Figure 4 shown, the utility model provides a drainage device, including the buffer device in embodiment 1, still includes collector 1, scale line 2, plug cover 6, liquid inlet pipe 4 and liquid outlet pipe 5;Drainage structure 3 provides negative pressure for the inside of collector 1 and controls the liquid inflow speed;Anti-suckback assembly provides airtight environment for the inside of collector 1 and controls the liquid flow direction;Wherein, drainage structure 3 is arranged in the inside of collector 1, anti-suckback assembly is arranged in the inside of plug cover 6, scale line 2 is arranged on the outer wall of collector 1, plug cover 6 is fixedly arranged on the top end of collector 1, liquid inlet pipe 4 is connected with the inside of collector 1 through plug cover 6, and liquid outlet pipe 5 is connected with the inside of collector 1 through plug cover 6.

[0058] Specifically, the drainage structure 3 includes: a partition layer 301 fixedly arranged in the collector 1, a negative pressure cavity 302 on the side of the collector 1 away from the plug cover 6, a liquid accumulation cavity 303 on the other side of the collector 1, a baffle 304 movably arranged in the negative pressure cavity 302, and a handle 305 fixedly arranged at the top end of the baffle 304 and penetrating the top end wall of the negative pressure cavity 302. The size of the partition layer 301 is adapted to the size of the inside of the collector 1, and the size of the baffle 304 is adapted to the size of the inside of the negative pressure cavity 302. The baffle 304 is pulled upward in the negative pressure cavity 302 to generate a negative pressure in the negative pressure cavity 302 to generate suction at the drainage port 11 to suck liquid into the collector 1. The distance of the movement of the baffle 304 can be observed through the scale 2 to control the size of the negative pressure generated in the negative pressure cavity 302, thereby controlling the speed and amount of the sucked liquid.

[0059] The anti-backflow assembly includes: a liquid inlet cavity 401 arranged in the liquid inlet pipe 4 inside the plug cover 6, a liquid inlet spring 403 fixedly connected at the bottom end of the liquid inlet cavity 401, a liquid inlet ball 402 fixedly arranged at the top end of the liquid inlet spring 403, a liquid outlet cavity 501 arranged in the liquid outlet pipe 5 inside the plug cover 6, a liquid outlet spring 502 fixedly connected at the bottom end of the liquid outlet cavity 501, and a liquid outlet ball 503 fixedly arranged at the top end of the liquid outlet spring 502. The shapes of the liquid inlet cavity 401 and the liquid outlet cavity 501 are both circular truncated cone, the size of the liquid inlet ball 402 is adapted to the size of the inside of the liquid inlet cavity 401, and the size of the liquid outlet ball 503 is adapted to the size of the liquid outlet cavity 501. The liquid inlet pipe 4 can only flow liquid or gas, and the liquid outlet pipe 5 can only flow gas or liquid, so that the drained liquid cannot enter the human body, the negative pressure cavity 302 can discharge gas multiple times to increase the negative pressure in the collector 1 to increase the suction force for drainage, and the effect of the drainage device is improved.

[0060] The top end of the liquid inlet pipe 4 is fixedly connected to the other end of the drainage pipe 7, and the materials of the collector 1, the liquid inlet pipe 4, the liquid outlet pipe 5, the drainage pipe 7, and the drainage port 11 are all transparent silicone rubber materials. The transparent material facilitates observation of the inflow speed and amount of liquid in the collector 1.

[0061] Working principle: the drainage interface 11 accesses the human body drainage site, the arm or leg is close to the site of the drainage site can be placed in the fixed plate 903 inside, the buffer tube 901 is a spiral tube, which can increase the buffer capacity of the drainage device when being pulled, collided and extruded, and the sensor 10 is arranged on the buffer tube 901, the alarm 8 alarms when the sensor 10 is triggered, so as to timely remind the patient, family members or nursing personnel, at the same time, the sensor 10 opens the switch of the compressed gas cylinder 904, the gas in the compressed gas cylinder 904 enters the filling layer 902 to make it swell, and the filling layer 902 fills and protects the buffer tube 901 and the drainage interface 11 in the fixed plate 903, and the position of the buffer tube 901 and the drainage interface 11 is fixed. The hand-held handle 305 is pulled, the baffle 304 is pulled upwards in the negative pressure cavity 302, a negative pressure is generated in the negative pressure cavity 302, the negative pressure in the negative pressure cavity 302 is communicated with the negative pressure in the liquid accumulation cavity 303, the liquid accumulation cavity 303 is communicated with the drainage tube 7 through the liquid inlet pipe 4, and the drainage tube 7 is communicated with the buffer tube 901 and the drainage interface 11. The liquid is sucked into the collector 1 through the suction of the drainage interface 11, the distance that the baffle 304 moves can be observed through the scale line 2, so that the size of the negative pressure generated in the negative pressure cavity 302 is controlled, and then the speed and quantity of the sucked liquid are controlled. When the equipment is not working, the liquid inlet spring 403 is in an extended state, the liquid inlet ball 402 blocks the top end of the liquid inlet cavity 401, and the liquid flowing into the liquid accumulation cavity 303 from the liquid inlet pipe 4 can compress the spring. When the gas or liquid in the liquid accumulation cavity 303 enters the liquid inlet cavity 401, the liquid inlet ball 402 blocks the top end of the liquid inlet cavity 401, so that the gas or liquid cannot pass through, the liquid inlet pipe 4 is controlled to flow only liquid or gas, the liquid outlet spring 502 is in an extended state, the liquid outlet ball 503 blocks the bottom end of the liquid outlet cavity 501, and the liquid flowing into the liquid accumulation cavity 303 from the liquid outlet pipe 5 can compress the spring. When the gas or liquid in the liquid accumulation cavity 303 enters the liquid outlet cavity 501, the liquid outlet ball 503 blocks the top end of the liquid outlet cavity 501, so that the gas or liquid cannot pass through, the liquid outlet pipe 5 is controlled to flow only gas or liquid, so that the drained liquid cannot enter the human body, the negative pressure cavity 302 can discharge gas for many times, the negative pressure in the collector 1 is increased, the suction force is increased, the drainage is improved, and the effect of the drainage device is improved.

[0062] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit and essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0063] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature described. The specification can include implicit combinations of explicitly mentioned features and / or explicit combinations of implicitely mentioned features. Each embodiment depends on the explicit combinations of features and / or the implicit combinations of features made specifically within that embodiment, and each such embodiment can be combined with every other such embodiment to create further embodiments.

Claims

1. A cushioning device, characterized in that, It comprises: a buffer tube (901); a sensor (10); an alarm (8); a buffer structure (9) for increasing the buffering capacity of the drainage tube (7) when pulled and protecting the connection between the drainage interface and the human body; wherein the inner wall of the buffer structure (9) is fixedly connected to the side of the sensor (10) away from the buffer tube (901), the sensor (10) is fixedly installed on one side of the buffer tube (901), and the alarm (8) is fixedly installed on the other side of the buffer tube (901).

2. The cushioning device of claim 1, wherein, The top end of the buffer tube (901) is fixedly connected to one end of the drainage tube (7) through embedding, the bottom end of the buffer tube (901) is fixedly connected to one end of the drainage interface (11) through embedding, and the buffer tube (901) is in the shape of a spiral hollow pipe.

3. The cushioning device of claim 1, wherein, The buffer structure (9) comprises: a fixed plate (903) fixedly installed on the side of the sensor (10) away from the buffer tube (901); a filling layer (902) fixedly installed on the inner wall of the fixed plate (903); a compressed gas cylinder (904) fixedly installed on the side of the fixed plate (903) close to the sensor (10); wherein the fixed plate (903) is in the shape of a U, the filling layer (902) is hollow inside, and the switch of the compressed gas cylinder (904) is connected to the sensor (10) through an electric wire.

4. A drain characterized in that, The buffer device comprises the buffer device according to any one of claims 1-3, further comprising: a collector (1); a scale line (2); a socket cover (6); a liquid inlet tube (4); a liquid outlet tube (5); a drainage structure (3) for providing negative pressure inside the collector (1) and controlling the liquid inflow speed; an anti-suck-back assembly for providing a sealed environment inside the collector (1) and controlling the liquid flow direction; wherein the drainage structure (3) is arranged inside the collector (1), the anti-suck-back assembly is arranged inside the socket cover (6), the scale line (2) is arranged on the outer wall of the collector (1), the socket cover (6) is fixedly arranged at the top end of the collector (1), the liquid inlet tube (4) penetrates through the socket cover (6) and is connected to the inside of the collector (1), and the liquid outlet tube (5) penetrates through the socket cover (6) and is connected to the inside of the collector (1).

5. A drain according to claim 4, wherein, The drainage structure (3) comprises: a partition layer (301) fixedly arranged inside the collector (1); a negative pressure cavity (302) for the side of the collector (1) away from the socket cover (6); a hydrops cavity (303) for the other side of the collector (1); a baffle (304) movably arranged inside the negative pressure cavity (302); a handle (305) fixedly arranged at the top end of the baffle (304) and penetrating through the top end wall of the negative pressure cavity (302); wherein the partition layer (301) is sized to fit the size of the inside of the collector (1), and the baffle (304) is sized to fit the size of the inside of the negative pressure cavity (302).

6. A drain according to claim 4, wherein, The anti-suck-back assembly comprises: a liquid inlet cavity (401) arranged inside the socket cover (6) and inside the liquid inlet tube (4); a liquid inlet spring (403) having a bottom end fixedly connected to the larger end of the liquid inlet cavity (401); a liquid inlet ball (402) fixedly arranged at the top end of the liquid inlet spring (403); Liquid outlet cavity (501), set in the plug cover (6) inside part of the liquid outlet pipe (5) inside; Liquid outlet spring (502), the bottom end with the size of the large end of the liquid outlet cavity (501) fixed connection; Liquid outlet ball (503), fixedly arranged at the top end of the liquid outlet spring (502); Wherein, the shape of the liquid inlet cavity (401) and the liquid outlet cavity (501) is circular truncated cone, the size of the liquid inlet ball (402) is adapted to the size of the inside of the liquid inlet cavity (401), and the size of the liquid outlet ball (503) is adapted to the size of the liquid outlet cavity (501).

7. A drain according to claim 4, wherein, The top end of the liquid inlet pipe (4) and the other end of the drainage tube (7) are fixedly connected by embedding.

8. A drain according to claim 4, wherein, The collector (1), the liquid inlet pipe (4), the liquid outlet pipe (5), the drainage tube (7) and the drainage interface (11) are all made of transparent silicone rubber material.

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