A nebulizer

Abstract

The present invention discloses an atomizer, comprising a nozzle body; the nozzle body is cylindrical, a nozzle hole is provided on one side of the nozzle body, a swirl chamber and a turbulence rod are provided inside the nozzle body, and the swirl chamber and the turbulence rod are connected; the turbulence rod is provided with an axial hole and a radial hole that are interconnected, and a first annular gap is formed between the outer wall of the turbulence rod and the inner wall of the nozzle body; a cyclone is provided inside the swirl chamber, and a second annular gap is formed between the outer wall of the cyclone and the inner wall of the swirl chamber; the first annular gap, the radial hole, the axial hole, the second annular gap, and the nozzle hole are connected in sequence. By setting the first annular gap and the second annular gap, the liquid can be kept in a fine fluid state when sprayed from the nozzle, thereby making the sprayed liquid finer and softer, and at the same time, the fineness of the sprayed liquid is conducive to maintaining uniform distribution during spraying.

Description

Technical Field

[0001] The present invention relates to the technical field of atomizer structures, and in particular to an atomizer used for pressurized intraperitoneal atomization chemotherapy. Background Art

[0002] Pressurized intraperitoneal atomized chemotherapy has good early clinical effects in medical treatment. Pressurized intraperitoneal atomized chemotherapy injects drug droplets into the peritoneal cavity through the atomizer nozzle. However, since drug droplets are easily affected by gravitational inertial impact and resistance, the drug droplets will be unevenly distributed after being injected into the peritoneal cavity through the atomizer nozzle, thereby limiting the therapeutic effect of the drug droplets.

[0003] Existing technology usually sets an electrostatic field outside the top of the nebulizer to offset the influence of gravity and resistance, so that the drug droplets are evenly distributed. However, the existing nebulizers used for pressurized intraperitoneal atomization chemotherapy still have the disadvantages of the sprayed droplets not being soft enough and the impact force being large, which may easily cause secondary damage to the patient; the sprayed droplets are large, resulting in uneven droplet distribution; and the droplet spray angle and range are small, which may easily cause fluid accumulation. Summary of the Invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose an atomizer, which can make the sprayed droplets soft and evenly distributed.

[0005] In order to achieve the above object, the present invention provides the following technical solutions:

[0006] An atomizer includes a nozzle body;

[0007] The nozzle body is cylindrical, a nozzle hole is provided on one side of the nozzle body, a swirl chamber and a turbulence rod are provided inside the nozzle body, and the swirl chamber and the turbulence rod are connected;

[0008] The turbulator rod is provided with an axial hole and a radial hole that are interconnected, and a first annular gap is formed between the outer wall of the turbulator rod and the inner wall of the nozzle body;

[0009] A cyclone is sleeved inside the cyclone chamber, and a second annular gap is formed between the outer wall of the cyclone and the inner wall of the cyclone chamber;

[0010] The first annular gap, the radial hole, the axial hole, the second annular gap, and the spray hole are connected in sequence.

[0011] Preferably, the outer wall of the turbulation rod is provided with a first external thread, the swirl chamber is provided with a first internal thread and a second external thread extending from one end close to the turbulation rod, and the nozzle body is provided with a second internal thread, the first external thread can be engaged and matched with the first internal thread, and the second external thread can be engaged and matched with the second internal thread.

[0012] Preferably, the nozzle body includes a nozzle component and an extension component, the outer side wall of the extension component is provided with a third external thread, and the inner side wall of the nozzle component is provided with a third internal thread, and the third external thread can be engaged and matched with the third internal thread.

[0013] Preferably, the end of the extension component away from the nozzle component is provided with a Luer thread.

[0014] Preferably, a hand-held portion is provided on a side of the extension component away from the nozzle component, and the hand-held portion is provided with a knurled pattern.

[0015] Preferably, a first cylindrical cavity and a second cylindrical cavity are provided inside the cyclone chamber, the spray hole, the first cylindrical cavity and the second cylindrical cavity are connected in sequence, the cyclone is sleeved in the first cylindrical cavity, and the second annular gap is formed between the inner wall of the first cylindrical cavity and the outer wall of the cyclone.

[0016] Preferably, the swirler includes a first cylinder and a second cylinder, the first cylinder is closer to the spray hole than the second cylinder, and the axial length and radial diameter of the first cylinder are smaller than those of the second cylinder.

[0017] Preferably, a first conical groove is provided at one end of the second column away from the spray hole.

[0018] Preferably, the first column abuts against the spray hole

[0019] Preferably, a second conical groove is provided at the spray hole.

[0020] Compared with the prior art, the present invention has the following beneficial effects: by arranging a swirl chamber and a turbulation rod that are interconnected inside the nozzle body, a first annular gap is formed between the inner wall of the nozzle body and the outer wall of the turbulation rod, and an axial hole and a radial hole that are interconnected are opened in the turbulation rod, and then a swirler is arranged inside the swirl chamber, and a second annular gap is formed between the outer wall of the swirler and the inner wall of the swirl chamber, and finally the first annular gap, the radial hole, the axial hole, the second annular gap, and the spray hole are connected in sequence. The first annular gap and the second annular gap enable the liquid to maintain a fine fluid state when flowing through, so that when it is finally sprayed out from the fine spray hole through the second annular gap, the liquid spray can be finer and softer. At the same time, because the sprayed droplets are fine enough, it is easier to keep the droplets evenly distributed during spraying. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a cross-sectional view of the atomizer of the present invention;

[0022] Figure 2 for Figure 1 The middle part is mainly a partial enlarged view of the nozzle component;

[0023] Figure 3 for Figure 1 A partial enlarged view of the extended component.

[0024] In the picture:

[0025] Spray head body 1; spray hole 101, second conical groove 421; nozzle component 11, third internal thread 111; extension component 12, second internal thread 121, third external thread 122, Luer thread 123, handle 124, anvil knurling 1241, first annular gap 125;

[0026] Turbulence rod 2, axial hole 201, radial hole 202, first external thread 211;

[0027] Cyclone chamber 3, first cylindrical cavity 301, second cylindrical cavity 302, second annular gap 303, first internal thread 311, second external thread 312;

[0028] The cyclone 4 , the first cylinder 41 , the second cylinder 42 , and the first conical groove 102 . DETAILED DESCRIPTION

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] See also Figure 1-2 , the present invention provides the following technical solutions:

[0031] An atomizer includes a nozzle body 1;

[0032] The nozzle body 1 is cylindrical, with a spray hole 101 on one side of the nozzle body 1. A swirl chamber 3 and a turbulence rod 2 are sleeved inside the nozzle body 1, and the swirl chamber 3 and the turbulence rod 2 are connected;

[0033] The turbulator rod 2 is provided with an axial hole 201 and a radial hole 202 that are interconnected. A first annular gap 125 is formed between the outer wall of the turbulator rod 2 and the inner wall of the nozzle body 1.

[0034] A cyclone 4 is sleeved inside the cyclone chamber 3, and a second annular gap 303 is formed between the outer wall of the cyclone 4 and the inner wall of the cyclone chamber 3;

[0035] The first annular gap 125 , the radial hole 202 , the axial hole 201 , the second annular gap 303 , and the spray hole 101 are connected in sequence.

[0036] Specifically, in this embodiment, the swirl chamber 3 and the turbulation rod 2 are connected to each other, so that a first annular gap 125 is formed between the inner wall of the nozzle body 1 and the outer wall of the turbulation rod 2, and an axial hole 201 and a radial hole 202 are opened in the turbulation rod 2 to communicate with each other. Then, the swirler 4 is sleeved in the swirl chamber 3, and a second annular gap 303 is formed between the outer wall of the swirler 4 and the inner wall of the swirl chamber 3. Finally, the first annular gap 125, the radial hole 202, the axial hole 201, the second annular gap 303 are formed between the inner wall of the swirl chamber 3, and the second annular gap 125, the radial hole 202, the axial hole 201, and the second annular gap 303 are formed between the inner wall of the swirl chamber 3. The annular gap 303 and the spray hole 101 are connected in sequence, so that the liquid passes through the first annular gap 125, the radial hole 202, the axial hole 201, and the second annular gap 303 in sequence before being sprayed through the nozzle of the present invention. Because the first annular gap 125, the second annular gap 303 and the spray hole 101 are set, the liquid can become sufficiently fine when sprayed, and it is beneficial to keep the droplets evenly distributed during spraying, which is beneficial to optimizing the therapeutic effect of the drug sprayed by the nebulizer of the present invention.

[0037] The opening size of the nozzle hole 101 is preferably set to 200 μm to ensure that the sprayed mist is fine enough.

[0038] In an optional embodiment, if Figure 2 As shown, the outer wall of the turbulation rod 2 is provided with a first external thread 211, and the swirl chamber 3 is provided with a first internal thread 311 and a second external thread 312 extending from one end close to the turbulation rod 2. The nozzle body 1 is provided with a second internal thread 121, and the first external thread 211 can be engaged and matched with the first internal thread 311, and the second external thread 312 can be engaged and matched with the second internal thread 121.

[0039] Specifically, in this embodiment, threaded engagement facilitates the connection and installation between the nozzle body 1, the turbulator rod 2, and the swirl chamber 3. This allows the turbulator rod 2 and the swirl chamber 3 to rotate within the nozzle body 1, facilitating the swirl chamber 3's ability to rotate the liquid flowing therethrough. The rotation of the liquid before it is ejected through the nozzle orifice 101 allows the liquid to form a uniform mist pattern during injection, further softening the ejected spray. Furthermore, an electric drive device can be provided that is electrically connected to the swirl chamber 3 and the cyclone 4 to achieve the effect of simultaneously driving the cyclone 4 and the swirl chamber 3 to rotate during injection, thereby causing the liquid flowing therethrough to form a rotating fluid before injection.

[0040] In an optional embodiment, if Figure 2 As shown, the nozzle body 1 includes a nozzle component 11 and an extension component 12. The outer wall of the extension component 12 is provided with a third external thread 122, and the inner wall of the nozzle component 11 is provided with a third internal thread 111. The third external thread 122 can be engaged and matched with the third internal thread 111.

[0041] Specifically, in this embodiment, the nozzle body 1 can be assembled into the nozzle body 1 by dividing the nozzle part 11 and the extension part 12 into two parts, and the nozzle part 11 and the extension part 12 are engaged and matched with the third external thread 122 and the third internal thread 111, thereby realizing a detachable connection between the nozzle part 11 and the extension part 12, thereby facilitating the assembly and replacement of the cyclone 4, the cyclone chamber 3 and the turbulence rod 2 inside the nozzle body 1.

[0042] In an optional embodiment, if Figure 3 As shown, the end of the extension component 12 away from the nozzle component 11 is provided with a Luer thread 123.

[0043] Specifically, in this embodiment, by providing a Luer thread 123 at the end of the extension rod so that it can be adapted to connect with a 6% Luer internal locking connector on the market, it is beneficial to fix the turbulator rod 2 that is in direct contact with the end of the extension component 12 away from the nozzle component 11 in the nozzle body 1.

[0044] In an optional embodiment, if Figure 3 As shown, a handle portion 124 is provided on a side of the extension component 12 away from the nozzle component 11 , and the handle portion 124 is provided with a knurled pattern 1241 .

[0045] Specifically, in this embodiment, by providing a hand-holding portion 124 on the side of the extension part 12 away from the nozzle part 11, and providing a mesh knurling 1241 on the hand-holding portion 124, the entire nozzle body 1 can be conveniently held, and is beneficial for preventing slipping when holding and facilitating holding during installation.

[0046] In an optional embodiment, if Figure 2 As shown, a first cylindrical cavity 301 and a second cylindrical cavity 302 are provided inside the cyclone chamber 3. The spray hole 101, the first cylindrical cavity 301, and the second cylindrical cavity 302 are connected in sequence. The cyclone 4 is arranged in the first cylindrical cavity 301, and a second annular gap 303 is formed between the inner wall of the first cylindrical cavity 301 and the outer wall of the cyclone 4.

[0047] Specifically, in this embodiment, a first columnar cavity 301 and a second columnar cavity 302 are provided inside the cyclone chamber 3. The provision of the second columnar cavity 302 can ensure that a sufficient amount of liquid enters the first columnar cavity 301, and the cyclone 4 is arranged inside the first columnar cavity 301, so that a second annular gap 303 is formed between the inner wall of the first columnar cavity 301 and the outer wall of the cyclone 4. The provision of the second annular gap 303 can allow the liquid to slowly flow into the first columnar cavity 301, making the liquid flow more moderate, thereby ensuring that the spray formed when the liquid is sprayed is finer and softer.

[0048] In an optional embodiment, if Figure 2As shown, the swirler 4 includes a first cylinder 41 and a second cylinder 42 . The first cylinder 41 is closer to the injection hole 101 than the second cylinder 42 . The axial length and radial diameter of the first cylinder 41 are smaller than those of the second cylinder 42 .

[0049] Specifically, in this embodiment, the first column 41 and the second column 42 are provided to form the second annular gap 303 and ensure that sufficient liquid is accumulated in front of the spray hole 101 to prevent difficulty in spraying the liquid.

[0050] In an optional embodiment, if Figure 2 As shown, a second conical groove 421 is provided at one end of the second column 42 away from the spray hole 101 .

[0051] Specifically, in this embodiment, by providing a second conical groove 421 at the end of the second column 42 away from the nozzle hole 101, it can be ensured that the force of the liquid flow is concentrated on the bottom of the end of the second column 42 away from the nozzle hole 101, so that the conical surface of the first column 41 fits tightly with the nozzle hole 101, which is conducive to slowly ejecting the liquid from the nozzle hole 101 to reduce the liquid spray volume, thereby making the spray formed when the liquid is ejected finer and softer.

[0052] In an optional embodiment, the first column 41 abuts against the spray hole 101 .

[0053] Specifically, in this embodiment, by making the first column 41 abut against the spray hole 101, the flow channel between the liquid and the spray hole 101 can be made narrower, which is conducive to further reducing the liquid spray volume, thereby generating a finer and softer spray.

[0054] In an optional embodiment, if Figure 2 As shown, a first conical groove 102 is provided at the spray hole 101 .

[0055] Specifically, in this embodiment, by providing a first conical groove 102 at the nozzle hole 101, when the liquid flows through the curved wall surface in the first conical groove 102, it will move in a curve along the wall surface due to the Coanda effect. When the liquid after the curved motion is ejected through the nozzle hole 101 again, the injection angle of the formed spray is increased. Therefore, the provision of the first conical groove 102 at the nozzle hole 101 is conducive to optimizing and increasing the spray particle size, thereby enhancing the therapeutic effect of the drug spray.

[0056] Among them, the spray angle of the spray can be increased to about 70 degrees, and the spray particle size can be optimized to about 18um.

[0057] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. An atomizer, characterized in that: including a nozzle body; The nozzle body is cylindrical, a nozzle hole is provided on one side of the nozzle body, a swirl chamber and a turbulence rod are provided inside the nozzle body, and the swirl chamber and the turbulence rod are connected; The turbulator rod is provided with an axial hole and a radial hole that are interconnected, and a first annular gap is formed between the outer wall of the turbulator rod and the inner wall of the nozzle body; A cyclone is sleeved inside the cyclone chamber, and a second annular gap is formed between the outer wall of the cyclone and the inner wall of the cyclone chamber; Wherein, the first annular gap, the radial hole, the axial hole, the second annular gap, and the spray hole are connected in sequence; A first cylindrical cavity and a second cylindrical cavity are provided inside the cyclone chamber. The spray hole, the first cylindrical cavity, and the second cylindrical cavity are sequentially connected. The cyclone is sleeved in the first cylindrical cavity. The second annular gap is formed between the inner wall of the first cylindrical cavity and the outer wall of the cyclone. The swirler includes a first cylinder and a second cylinder. The first cylinder is closer to the spray hole than the second cylinder. The axial length and radial diameter of the first cylinder are smaller than those of the second cylinder.

2. The atomizer according to claim 1, characterized in that: The outer wall of the turbulator rod is provided with a first external thread, the swirl chamber is provided with a first internal thread and a second external thread extending from one end close to the turbulator rod, and the nozzle body is provided with a second internal thread. The first external thread can be engaged and matched with the first internal thread, and the second external thread can be engaged and matched with the second internal thread.

3. The atomizer according to claim 1, characterized in that: The nozzle body includes a nozzle component and an extension component. The outer side wall of the extension component is provided with a third external thread, and the inner side wall of the nozzle component is provided with a third internal thread. The third external thread can be engaged and matched with the third internal thread.

4. The atomizer according to claim 3, characterized in that: The end of the extension component away from the nozzle component is provided with a Luer thread.

5. The atomizer according to claim 3, characterized in that: A hand-held portion is provided on a side of the extension component away from the nozzle component, and the hand-held portion is provided with a reticulated knurling.

6. The atomizer according to claim 1, characterized in that: A second conical groove is provided at one end of the second column away from the spray hole.

7. The atomizer according to claim 1, characterized in that: The first column abuts against the spray hole.

8. The atomizer according to any one of claims 1 to 7, characterized in that: A first conical groove is provided at the spray hole.

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