Long-acting antibacterial wound surface spraying device

By incorporating a baffle and a pressurizing and stirring component into the wound spray device, the problem of drug sedimentation is solved, achieving uniform stirring and filtration of the drug solution, ensuring that the drug solution is sprayed evenly onto the wound surface, and improving the drug's effectiveness.

CN223586356UActive Publication Date: 2025-11-25JIANG SU DRUCHOR BIOLOGICAL TECH CO LTD
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Patent Information

Application Number
CN202422779064.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-14
Publication Date
2025-11-25
Estimated Expiration
2034-11-14

AI Technical Summary

Technical Problem

Existing wound sprayers are prone to sedimentation of the medication solution after prolonged periods of inactivity, requiring shaking before use, which affects the uniformity of the medication solution and its effectiveness.

Method used

A long-lasting antibacterial wound spray device is designed. By setting a partition, the inner cavity of the tank is divided into a storage chamber and a filtration chamber. Combined with a pressurizing component and a stirring component, the drug solution is uniformly stirred and filtered, ensuring that the drug solution is evenly sprayed onto the wound.

Benefits of technology

It effectively intercepts impurities and undissolved particles in the liquid medicine, ensuring uniform spraying of the liquid medicine, avoiding local accumulation or insufficient liquid medicine, creating an ideal drug environment, and improving the drug use effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a long-acting bacteriostasis wound surface spraying device, and particularly relates to the technical field of medical instruments, the long-acting bacteriostasis wound surface spraying device comprises a tank body, a medicine supply assembly is rotatably arranged at the top end of the tank body, a medicine outlet assembly is installed on the upper side of the outer surface of the tank body, and a partition plate is fixedly installed in the middle of the inner cavity of the tank body far away from the axis. An inner cavity of the tank body is divided into a material storage cavity and a filtering cavity by the partition plate, a pressurizing assembly is mounted at the lower part of the inner cavity of the material storage cavity, and a stirring assembly is mounted at the upper part of the inner cavity of the material storage cavity. According to the long-acting antibacterial wound surface spraying device, the partition plate is arranged to divide the inner cavity of the tank body into the material storage cavity and the filtering cavity, the stirring assembly is arranged to stir traditional Chinese medicine liquid in the inner cavity of the material storage cavity, and the uniformly stirred liquid medicine is used again after being filtered by the partition plate; in this way, impurities, undissolved particles and the like in the liquid medicine can be effectively intercepted, and the filtered liquid medicine can enter the filtering cavity again to be used.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, especially relate to a long -term bacteriostatic wound surface spray device. BACKGROUND

[0002] The Chinese patent with the authorization announcement number CN209734746U discloses a spray device for wound hemostasis, relating to the technical field of medical instruments. The spray device for wound hemostasis comprises a spray needle cylinder, a catheter and a spray head; one end of the catheter is in communication with the outlet of the spray needle cylinder, and the other end is provided with the spray head. The device can accurately control the dosage of the drug by using the spray needle cylinder, and can improve the atomization effect of the hemostatic liquid by using the spray head, thereby improving the uniformity and penetration rate of the liquid on the wound and greatly improving the hemostatic effect of the liquid.

[0003] During the long period of non-use, the liquid often appears to be precipitated. This is because some components in the liquid gradually sink under the influence of gravity, chemical stability and other factors in the static state. This precipitation will have some impact on the subsequent use of the device. Therefore, each time the device is reactivated, the liquid must be shaken again to ensure uniform distribution of the liquid components and ensure that the device can normally function to obtain accurate and reliable results. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a long-acting bacteriostatic wound surface spray device, which can effectively solve the problems mentioned above.

[0005] To achieve the above purpose, the utility model adopts the technical scheme that:

[0006] A long-acting bacteriostatic wound surface spray device, comprising a tank body, a medicine supply assembly is rotatably arranged at the top end of the tank body, a medicine outlet assembly is installed on the upper side of the outer surface of the tank body, a partition plate is fixedly installed at the middle of the tank body away from the shaft, the partition plate divides the inner cavity of the tank body into a storage cavity and a filter cavity, a booster assembly is installed at the lower part of the inner cavity of the storage cavity, and a stirring assembly is installed at the upper part of the inner cavity of the storage cavity.

[0007] Preferably, the booster assembly comprises an air cylinder and a spring, the air cylinder is fixedly installed at the shaft center of the bottom end of the inner cavity of the storage cavity, the bottom end of the air cylinder is open, a piston is slidably installed on the inner cavity surface of the air cylinder, and a limiting ring is fixedly installed on the lower side of the inner cavity of the air cylinder and limits the piston.

[0008] Preferably, a push rod is fixedly installed at the middle of the bottom end of the piston, a one-way valve one is fixedly installed at the bottom end of the push rod, a lead screw is fixedly installed at the middle of the top end of the piston, and the top end of the lead screw penetrates the top end of the air cylinder.

[0009] Preferably, the spring is arranged in the cylinder inner cavity, and the two ends of the spring are respectively abutted between the limiting ring and the top wall of the cylinder inner cavity, the side of the limiting ring away from the axis is provided with a one-way valve I, and the side of the top wall of the cylinder inner cavity away from the axis is provided with a one-way valve II.

[0010] Preferably, the medicine discharging assembly comprises a nozzle and four filter holes, the nozzle is rotatably arranged in the middle of the top end of the tank body, the outer surface of the nozzle is provided with a liquid inlet groove, the outer end of the liquid inlet groove is fixedly provided with an atomizing head, one end of the nozzle extending into the storage cavity is fixedly provided with a connecting box, the two ends of the connecting box along the height direction are respectively fixedly provided with two hoses, the other ends of the two hoses away from the connecting box extend into the filter cavity through the partition plate, and the two ends of the two hoses extending into the filter cavity are respectively fixedly provided with two gravity balls.

[0011] Preferably, the stirring assembly comprises a pipe body, the pipe body is rotatably arranged in the middle of the bottom end of the connecting box, the bottom end of the pipe body is in an open shape, the inner cavity of the pipe body is provided with a screw block matched with the screw rod, the outer surface of the screw rod is rotatably connected with the inner surface of the pipe body, the middle of the outer surface of the pipe body is fixedly provided with a connecting plate, and a plurality of stirring rods are annularly arranged on the top end and the bottom end of the connecting plate.

[0012] Preferably, the medicine supplying assembly comprises an L-shaped pipe, the L-shaped pipe is fixedly arranged on the uppermost side of the outer surface of the tank body, the L-shaped pipe extends into the storage cavity through the partition plate in the horizontal direction, and the top end of the L-shaped pipe in the vertical direction is screwedly provided with a sealing cover.

[0013] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0014] 1、The tank body inner cavity is divided into a storage cavity and a filter cavity through the partition plate, the traditional Chinese medicine liquid in the storage cavity is stirred through the stirring assembly, the stirred liquid is filtered through the partition plate and then used again, so that the impurities and unsolved particles in the liquid can be effectively intercepted, and the filtered liquid can be used again in the filter cavity.

[0015] 2、The pressure of the tank body inner cavity is increased through the pressure increasing assembly, so that the liquid in the tank body can be uniformly sprayed on the wound surface, and the adverse effects caused by local accumulation or insufficient liquid can be avoided, and an ideal drug environment for wound repair is created. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a cross-sectional structural diagram of the entire utility model;

[0018] Figure 3 This is a cross-sectional structural diagram of the tank and pressurization component in this utility model;

[0019] Figure 4 This is a schematic diagram of the connection structure between the tank and the dispensing assembly in this utility model;

[0020] Figure 5 This is a cross-sectional connection diagram of the drug dispensing component and the stirring component in this utility model.

[0021] In the diagram: 1. Tank body; 2. Drug supply assembly; 21. L-shaped pipe; 22. Sealing cap; 3. Drug dispensing assembly; 31. Nozzle; 32. Liquid inlet tank; 33. Atomizing head; 34. Filter hole; 35. Connecting box; 351. Hose; 352. Gravity ball; 4. Pressurization assembly; 41. Air cylinder; 42. Limiting ring; 43. Piston; 431. Push rod; 432. Lead screw; 433. Spring; 434. One-way valve one; 435. One-way valve two; 5. Stirring assembly; 51. Pipe body; 511. Threaded block; 52. Stirring rod; 53. Connecting plate; 6. Baffle plate; 7. Storage chamber; 8. Filter chamber. Detailed Implementation

[0022] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0023] like Figures 1-5 As shown, a long-acting antibacterial wound spray device includes a tank 1, a drug supply component 2 rotatably mounted on the top of the tank 1, a drug dispensing component 3 installed on the upper side of the outer surface of the tank 1, a partition 6 fixedly installed in the middle of the inner cavity of the tank 1 away from the axis, the partition 6 dividing the inner cavity of the tank 1 into two parts: a storage chamber 7 and a filtering chamber 8, a pressurizing component 4 installed in the lower part of the inner cavity of the storage chamber 7, and a stirring component 5 installed in the upper part of the inner cavity of the storage chamber 7.

[0024] In the scheme, the inner cavity of the tank body 1 is divided into a storage cavity 7 and a filtering cavity 8 by the partition 6, the traditional Chinese medicine liquid in the storage cavity 7 is stirred by the stirring assembly 5, the uniformly stirred liquid is filtered through the partition 6 and then used again, so that the impurities and unsolved particles in the liquid can be effectively intercepted, and the filtered liquid can be used again in the filtering cavity 8, the inner cavity of the tank body 1 is pressurized by the pressurizing assembly 4, so that the liquid in the tank body 1 is uniformly sprayed onto the wound surface, avoiding the adverse effects caused by local accumulation or insufficient liquid, and creating an ideal drug environment for wound repair.

[0025] Specifically, the pressurizing assembly 4 includes a cylinder 41 and a spring 433, the cylinder 41 is fixedly installed at the bottom end of the storage cavity 7, the bottom end of the cylinder 41 is open, a piston 43 is slidably installed on the inner surface of the cylinder 41, and a limiting ring 42 is fixedly installed on the lower side of the inner cavity of the cylinder 41 and limits the piston 43;

[0026] The bottom end of the piston 43 is fixedly installed with a push rod 431, the bottom end of the push rod 431 is fixedly installed with a one-way valve one 434, the top end of the piston 43 is fixedly installed with a lead screw 432, and the top end of the lead screw 432 penetrates the top end of the cylinder 41;

[0027] The spring 433 is arranged in the inner cavity of the cylinder 41, the first end and the second end of the spring 433 are respectively abutted between the limiting ring 42 and the top wall of the inner cavity of the cylinder 41, the one-way valve one 434 is installed through the side of the limiting ring 42 away from the axis, and the one-way valve two 435 is installed through the side of the top wall of the inner cavity of the cylinder 41 away from the axis;

[0028] The one-way valve one 434 is pushed, the piston 43 in the inner cavity of the cylinder 41 is pushed upward by the push rod 431, when the piston 43 is pushed upward, the gas is extruded into the inner cavity of the storage cavity 7 through the one-way valve two 435, and when the storage cavity 7 is pressurized, the liquid in the storage cavity 7 is sprayed outward through the medicine outlet assembly 3;

[0029] When the piston 43 is pushed to the last position, the one-way valve one 434 is released, the piston 43 is reset by the tension of the spring 433, when the piston 43 is reset downward, the limiting ring 42 is blocked by the limiting ring 42 to avoid being pushed out of the inner cavity of the cylinder 41 by the spring 433, and when the piston 43 is reset downward, the external gas reenters the inner cavity of the cylinder 41 through the one-way valve one 434.

[0030] Specific, the medicine outlet assembly 3 includes a spray head 31 and four filter holes 34, the spray head 31 is rotatably mounted in the middle of the top end of the tank body 1, the outer surface of the spray head 31 is provided with a liquid inlet groove 32, the outer port of the liquid inlet groove 32 is fixedly provided with an atomizing head 33, one end of the spray head 31 extending into the inner cavity of the storage cavity 7 is fixedly provided with a connecting box 35, two hoses 351 are fixedly installed at the two ends of the connecting box 35 along the height direction, the other ends of the two hoses 351 extending into the inner cavity of the filter cavity 8 through the partition plate 6, two gravity balls 352 are fixedly installed at the ends of the two hoses 351 extending into the inner cavity of the filter cavity 8, and four filter holes 34 are symmetrically provided on the upper side and the lower side of the outer surface of the partition plate 6.

[0031] The medicine supply assembly 2 includes an L-shaped pipe 21, which is fixedly installed on the outer surface of the tank body 1 at the uppermost side, and the horizontal direction of the L-shaped pipe 21 extends into the inner cavity of the storage cavity 7 through the partition plate 6, and the vertical top end of the L-shaped pipe 21 is screwedly provided with a sealing cover 22;

[0032] The sealing cover 22 is screwed off from the upper port of the L-shaped pipe 21, the liquid medicine is filled into the storage cavity 7 through the L-shaped pipe 21, and the liquid medicine is filtered through the filter holes 34 on the partition plate 6 after entering the storage cavity 7, and the filtered liquid medicine enters the filter cavity 8, and the liquid medicine in the inner cavity of the filter cavity 8 enters the inner cavity of the connecting box 35 through the two hoses 351, and is uniformly sprayed outwards through the atomizing head 33 on the liquid inlet groove 32;

[0033] The two ends of the two hoses 351 extending into the inner cavity of the filter cavity 8 are respectively provided with two gravity balls 352, so that in the use process, no matter the tank body 1 is inverted or upright, the two hoses 351 can always be immersed in the liquid medicine;

[0034] It is worth mentioning here that the liquid medicine used in the scheme is benzalkonium chloride solution, which can be adsorbed on the surface of bacteria, change the permeability of bacterial cell membrane, make the substances in the cell leak out, and thus play a role in sterilization and long-acting inhibition.

[0035] Specifically, the stirring assembly 5 includes a pipe body 51, which is rotatably installed in the middle of the bottom end of the connecting box 35, the bottom end of the pipe body 51 is open, the inner cavity of the pipe body 51 is provided with a silk block 511 matched with a silk rod 432, the outer surface of the silk rod 432 is rotatably connected with the inner surface of the pipe body 51, the outer surface of the pipe body 51 is fixedly provided with a connecting plate 53 in the middle, and a plurality of stirring rods 52 are annularly arranged on the top end and the bottom end of the connecting plate 53;

[0036] When the piston 43 goes up, the lead screw 432 goes up at the same time, the outer surface of the lead screw 432 is connected with the inner cavity surface of the pipe body 51 to rotate, when the lead screw 432 goes up, the pipe body 51 rotates to make the plurality of stirring rods 52 outside the pipe body 51 stir together, thereby stirring the liquid medicine in the storage cavity 7.

[0037] It needs to be specially pointed out that the one-way valve one 434 and the one-way valve two 435 used in the utility model all belong to the prior art, and the model is QKV-M5; the specific installation mode and connection mode and control method of the one-way valve one 434 and the one-way valve two 435 all belong to the conventional design, and the utility model will not be described in detail.

[0038] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by the skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A long-acting bacteriostatic wound-spray device comprising a canister (1), characterized in that: The top end of the tank body (1) is rotatably provided with a medicine feeding assembly (2), the outer surface of the tank body (1) is provided with a medicine discharging assembly (3) on the upper side, the middle of the inner cavity of the tank body (1) away from the shaft center is fixedly provided with a partition plate (6), the partition plate (6) divides the inner cavity of the tank body (1) into a storage cavity (7) and a filtering cavity (8), a booster assembly (4) is installed in the lower part of the inner cavity of the storage cavity (7), and a stirring assembly (5) is installed in the upper part of the inner cavity of the storage cavity (7).

2. The long-acting bacteriostatic wound surface spraying device according to claim 1, characterized in that: The booster assembly (4) comprises a gas cylinder (41) and a spring (433), the gas cylinder (41) is fixedly installed at the shaft center of the bottom end of the inner cavity of the storage cavity (7), the bottom end of the gas cylinder (41) is open, the inner cavity surface of the gas cylinder (41) is slidably provided with a piston (43), and the lower side of the inner cavity of the gas cylinder (41) is fixedly provided with a limiting ring (42) limiting the piston (43).

3. The long-acting bacteriostatic wound surface spraying device according to claim 2, characterized in that: The bottom end of the piston (43) is fixedly provided with a push rod (431), the bottom end of the push rod (431) is fixedly provided with a one-way valve I (434), the top end of the piston (43) is fixedly provided with a lead screw (432), and the top end of the lead screw (432) penetrates the top end of the gas cylinder (41).

4. The long-acting bacteriostatic wound surface spraying device according to claim 3, characterized in that: The spring (433) is arranged in the inner cavity of the gas cylinder (41), the first end and the second end of the spring (433) are respectively abutted between the limiting ring (42) and the top wall of the inner cavity of the gas cylinder (41), the side away from the shaft center of the limiting ring (42) is provided with a one-way valve I (434), and the side away from the shaft center of the top wall of the inner cavity of the gas cylinder (41) is provided with a one-way valve II (435).

5. The long-acting bacteriostatic wound-spray device of claim 4, wherein: The medicine discharging assembly (3) comprises a spray head (31) and four filter holes (34), the spray head (31) is rotatably installed in the middle of the top end of the tank body (1), the outer surface of the spray head (31) is provided with an upper liquid groove (32), the outer port of the upper liquid groove (32) is fixedly provided with an atomizing head (33), one end of the spray head (31) extending into the inner cavity of the storage cavity (7) is fixedly provided with a connecting box (35), the two ends of the connecting box (35) along the height direction are respectively fixedly provided with two hoses (351), the other ends of the two hoses (351) away from the connecting box (35) extend into the inner cavity of the filtering cavity (8) through the partition plate (6), and the one ends of the two hoses (351) extending into the inner cavity of the filtering cavity (8) are respectively fixedly provided with two gravity balls (352). Four filter holes (34) are symmetrically provided on the upper side and the lower side of the outer surface of the partition plate (6).

6. The long-acting bacteriostatic wound-spray device of claim 5, wherein: The stirring assembly (5) comprises a tube body (51), which is rotationally installed at the middle of the bottom end of the connecting box (35), the bottom end of the tube body (51) is open, a screw block (511) matched with the screw rod (432) is arranged in the inner cavity of the tube body (51), the outer surface of the screw rod (432) is rotationally connected with the surface of the inner cavity of the tube body (51), and a connecting plate (53) is fixedly installed at the middle of the outer surface of the tube body (51), a plurality of stirring rods (52) are annularly arranged at the top end and the bottom end of the connecting plate (53) respectively.

7. The long-acting bacteriostatic wound-spray device of claim 6, wherein: The medicine supply assembly (2) comprises an L-shaped tube (21), which is fixedly installed at the uppermost side of the outer surface of the tank body (1), the horizontal direction of the L-shaped tube (21) extends through the partition plate (6) into the inner cavity of the storage cavity (7), and a sealing cover (22) is screwedly installed at the top end of the vertical direction of the L-shaped tube (21).

Citation Information

Patent Citations

  • Sprayer for wound hemostasis

    CN209734746U