A multi-cavity oral irrigator

Abstract

This utility model relates to the field of medical device technology and discloses a multi-chamber oral irrigator, including an injection needle tube with a needle connector at the front end, which is detachably connected to an irrigation head. The injection needle tube has a partition wall passing through its central axis, dividing the internal cavity into three independent fan-shaped storage chambers. Each storage chamber has a matching piston rod, the end of which extends to the outside of the injection needle tube and connects to a push handle. A control valve is located at the front end of the injection needle tube, used to open a single storage chamber. This utility model features three independent storage chambers within a single injection needle tube, enabling single-chamber injection. Different liquids can be stored according to clinical needs to meet daily oral inflammation irrigation and medication application, avoiding cross-contamination of medications or excessive instrument use, and improving oral irrigation efficiency.

Description

Technical Field

[0001] This utility model relates to the field of medical supplies technology, specifically the design of a multi-cavity oral cleaning and rinsing device. Background Technology

[0002] Pericoronitis is a common oral disease with a prevalence rate as high as 15% in adults. Its main symptoms include pain in the wisdom tooth area, limited mouth opening, and in severe cases, multi-space infections of the maxillofacial region. It is also prone to recurrent inflammation, significantly impacting the patient's quality of life. However, since wisdom teeth cannot be extracted during the acute phase of inflammation, treatment involves systemic antibiotics (oral, intramuscular, or intravenous) and daily pericoronitis irrigation at the hospital. Systemic medications have strong side effects, and daily irrigation is inconvenient, consuming significant time and energy for patients. Treatment typically involves initial cleaning with saline solution to remove food debris, inflammatory secretions, and bacteria from the gingival pocket; followed by treatment with chlorhexidine / 0.5%-1% povidone-iodine for bactericidal and bacteriostatic effects; and finally, topical application of iodine glycerin for long-term antibacterial effect through adhesion. This process usually requires multiple irrigation devices (e.g., syringes) sequentially, which can lead to cross-contamination of medications, is costly, and cumbersome.

[0003] Therefore, there is an urgent need to develop a convenient multi-cavity oral irrigator suitable for home and medical use. Utility Model Content

[0004] To address the shortcomings of the existing technology, this invention provides a multi-cavity oral irrigator that reduces the use of instruments and improves cleaning and rinsing efficiency.

[0005] To achieve the above-mentioned technical objectives, the technical solution adopted by this utility model is as follows:

[0006] A multi-chamber oral irrigator includes an injection needle tube with a needle connector at the front end, which is detachably connected to an irrigation head. The injection needle tube has a partition wall passing through the central axis, which divides the internal cavity into three independent fan-shaped storage chambers. Each storage chamber has a piston rod adapted to it, the end of which extends to the outside of the injection needle tube and is connected to a push handle. The injection needle tube has a control valve at the front end, which is used to open a single storage chamber.

[0007] As a preferred technical solution, the control valve includes a main control valve plate and a shunt control valve plate. A connecting shaft is provided inside the injection needle tube along its central axis. The main control valve plate and the shunt control valve plate are circular and rotatably connected to the connecting shaft on the same axis. The outer periphery of the main control valve plate and the shunt control valve plate is sealed to the inner wall of the injection needle tube. The main control valve plate is located near the needle connector end, and the shunt control valve plate is stacked on top of the main control valve plate. A first sector-shaped groove is formed on the main control valve plate, and a second sector-shaped groove is formed on the shunt control valve plate. The central angle of the second sector-shaped groove is equal to the central angle of the smallest storage cavity. The central angle of the first sector-shaped groove is three times that of the second sector-shaped groove, and the central angle of the first sector-shaped groove is not greater than 180 degrees. °; The injection needle tube has a first slot and a second slot that communicate with the inner cavity along the circumferential direction on its side wall. The first lever connected to the side wall of the main control valve plate passes through the first slot, and the second lever connected to the side wall of the diversion control valve plate passes through the second slot. The second slot has three slots. The middle slot corresponds to the storage cavity with the smallest opening of the second sector slot on the diversion control valve plate. The left and right slots correspond to the other two storage cavities, respectively. The first slot has two slots, which correspond to the opening or closing of the second sector slot on the diversion control valve plate by the main control valve plate. When the main control valve plate is in the open state, the middle 1 / 3 of the sector area of ​​the first sector slot is directly opposite the second sector slot when the diversion control valve plate is in the middle slot position.

[0008] As a preferred technical solution, the ratio of the three storage cavities is 5:4:1, the central angle of the second sector groove on the diversion control valve plate is 36°, the central angle of the first sector groove on the main control valve plate is 108°, the opening angle of the first slot is 108°, and the two slots in the first slot are located at its two ends respectively; the opening angle of the second slot is 72°, and the three slots in the second slot are located at its left end, midpoint and right end respectively.

[0009] As a preferred technical solution, the ratio of the three storage cavities is 4:1:1, the central angle of the second sector groove on the diversion control valve plate is 60°, the central angle of the first sector groove on the main control valve plate is 180°, the opening angle of the first slot is 180°, and the two slots in the first slot are located at its two ends respectively; the opening angle of the second slot is 120°, and the three slots in the second slot are located at its left end, midpoint and right end respectively.

[0010] As a preferred technical solution, the cross-section of the piston push rod is fan-shaped, which is adapted to the shape of the storage cavity. One end of the piston push rod is provided with a rubber piston, and the other end is provided with a push handle.

[0011] As a preferred technical solution, the push handle is provided with anti-slip grooves.

[0012] As a preferred technical solution, the flushing head includes a connecting sleeve and a bent tube. The connecting sleeve is used to connect with the tube needle connector. The bent tube is divided into three sections, namely a first guide section, a curved guide section, and a second guide section, with the curved guide section being arc-shaped.

[0013] As a preferred technical solution, the inner diameter of the bend in the flushing head gradually decreases from the beginning of the first guide section to the end of the second guide section.

[0014] As a preferred technical solution, it also includes a push rod limiter, which has three push rod limiters. One end of the push rod limiter is provided with a needle tube bayonet, and the other end is provided with a push handle bayonet, which is used to lock between the handle protrusion of the injection needle tube and the push handle of the piston push rod to limit the movement of the piston push rod.

[0015] The beneficial effects of this utility model are as follows:

[0016] This utility model of a multi-chamber oral irrigator has three independent storage chambers within an injection needle tube, enabling single-chamber injection. It can store different liquids according to clinical needs, such as a saline chamber, a chlorhexidine / 0.5%-1% povidone-iodine chamber, and an iodine glycerin chamber, to meet the needs of daily oral inflammation rinsing and medication application, avoiding the problems of cross-contamination of medications or excessive use of instruments, and improving the efficiency of oral rinsing.

[0017] The multi-chamber oral irrigator of this invention features an upper adjustable rotary valve plate as the control valve. By rotating the valve plate, the liquid in each storage chamber can be controlled to flow in and out separately or to be closed as a whole, thus achieving integrated management of multiple liquids.

[0018] This utility model features a multi-chamber oral irrigator with a detachable irrigating head for easy cleaning. The curved tube of the irrigating head perfectly adapts to the irrigation of the third molar, ensuring no blind spots in the oral cavity, resulting in more thorough rinsing and easier medication application. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a three-dimensional structural schematic diagram of an embodiment of the present utility model;

[0021] Figure 2 This is a front view of an embodiment of the present utility model;

[0022] Figure 3This is a cross-sectional schematic diagram of the injection needle in an embodiment of this utility model;

[0023] Figure 4 yes Figure 1 Enlarged view of the area within the dashed box;

[0024] Figure 5 This is a schematic diagram of the control valve structure;

[0025] Figure 6 This is a schematic diagram of the control valve in different states;

[0026] Figure 7 This is a schematic diagram of the piston push rod structure;

[0027] Figure 8 This is a schematic diagram of the push rod limiter.

[0028] Reference numerals: 1-Injection needle tube, 11-Separator wall, 12-Storage cavity, 14-First slot, 15-Second slot, 2-Needle connector, 3-Flush head, 31-Connecting sleeve, 32-First guide section, 33-Bent guide section, 34-Third guide section, 4-Piston rod, 41-Rubber piston, 42-Push handle, 5-Master control valve plate, 51-First sector groove, 52-First lever, 6-Diversion control valve plate, 61-Second sector groove, 62-Second lever, 7-Push rod limiter, 71-Needle tube bayonet, 72-Push handle bayonet. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0030] This embodiment provides a multi-cavity oral irrigator, such as... Figures 1-8As shown, the device includes an injection needle tube 1, with a needle connector 2 at the front end of the injection needle tube 1, which is detachably connected to a flushing head 3; the injection needle tube 1 has a partition wall 11 passing through the central axis, which divides the internal cavity into three independent fan-shaped storage chambers 12, and each storage chamber 12 has a piston push rod 4 adapted to it, the end of which extends to the outside of the injection needle tube 1 and is connected to a push handle 42; the front end of the injection needle tube 1 has a control valve, which is used to open a single storage chamber 12.

[0031] Preferably, the control valve is as follows: Figure 4 , Figure 5 As shown, the syringe includes a main control valve plate 5 and a diversion control valve plate 6. A connecting shaft is provided inside the syringe tube 1 along its central axis. The main control valve plate 5 and the diversion control valve plate 6 are circular and rotatably connected to the connecting shaft. The outer periphery of the main control valve plate 5 and the diversion control valve plate 6 is sealed to the inner wall of the syringe tube 1. The main control valve plate 5 is located near the needle connector 2. The diversion control valve plate 6 is stacked above the main control valve plate 5. The main control valve plate 5 has a first sector-shaped groove 51, and the diversion control valve plate 6 has a second sector-shaped groove 61. The central angle of the second sector-shaped groove 61 is equal to the central angle of the smallest storage cavity. The central angle of the first sector-shaped groove 51 is three times that of the second sector-shaped groove 61, and the central angle of the first sector-shaped groove 51 is not greater than 180°. The side wall of the syringe tube 1... A first slot 14 and a second slot 15, communicating with the inner cavity, are provided circumferentially. A first lever 52 connected to the side wall of the main control valve plate 5 passes through the first slot 14, and a second lever 62 connected to the side wall of the diversion control valve plate 6 passes through the second slot 15. The second slot 15 has three slots: the middle slot corresponds to the smallest storage cavity opened by the second sector-shaped slot 61 on the diversion control valve plate 6, and the left and right slots correspond to the other two storage cavities, respectively. The first slot 14 has two slots, corresponding to the opening or closing of the second sector-shaped slot 61 on the diversion control valve plate 6 by the main control valve plate 5. When the main control valve plate 5 is in the open state, the middle 1 / 3 of the sector-shaped area of ​​the first sector-shaped slot 51 is directly opposite the second sector-shaped slot 61 when the diversion control valve plate 6 is in the middle slot position. The state of the control valve is as follows: Figure 6 As shown, in Figure 6 In (a), the main control valve plate 5 is in the closed state, and the first sector groove 51 does not coincide with the second sector groove 61 on the diversion control valve plate 6 in any position. At this time, the liquid in any storage cavity of the injection needle tube cannot be ejected. Moving the first lever 52 of the main control valve plate 5 to the left to the other end of the first slot opens the main control valve plate 5. A portion of the first sector groove 51 coincides with the second sector groove 61, opening the corresponding storage cavity, allowing the liquid in the corresponding storage cavity to be poured or injected. Moving the second lever 62 of the diversion control valve plate 6 adjusts the position of the second sector groove 61, opening different storage cavities, such as... Figure 6(b) Figure 6 (c) Figure 6 As shown in (d).

[0032] In one specific embodiment, the ratio of the three storage cavities is 5:4:1, that is, the central angles of the three storage cavities are 180°, 144°, and 36°, respectively; the central angle of the second sector groove 61 on the diversion control valve plate 6 is 36°, the central angle of the first sector groove 51 on the main control valve plate 5 is 108°, the opening angle of the first slot 14 is 108°, and the two slots in the first slot 14 are located at its two ends; the opening angle of the second slot 15 is 72°, and the three slots in the second slot 15 are located at its left end, midpoint, and right end, respectively. The liquid storage ratio of the storage cavities can meet the liquid volume required during the actual rinsing process in the cleaning and anti-inflammatory process of pericoronitis of the wisdom tooth. First, rinse with a larger amount of physiological saline (about 5 parts), then rinse with chlorhexidine (about 4 parts), and finally apply iodine glycerin (about 1 part).

[0033] In another preferred embodiment, the ratio of the three storage cavities is 4:1:1, that is, the central angles of the three storage cavities are 240°, 60°, and 60° respectively. The central angle of the second sector groove 61 on the diversion control valve plate 6 is 60°, the central angle of the first sector groove 51 on the main control valve plate 5 is 180°, the slotting angle of the first slot 14 is 180°, and the two slots in the first slot 14 are located at its two ends respectively; the slotting angle of the second slot 15 is 120°, and the three slots in the second slot 15 are located at its left end, midpoint, and right end respectively.

[0034] Of course, as long as the central angle of the smallest storage cavity is not greater than 60°, that is, the central angle of the first sector groove on the main control valve plate is not greater than 180°, the ratio of the other two storage cavities can be set as needed.

[0035] Furthermore, the piston rod 4 has a fan-shaped cross-section, which matches the shape of the storage cavity. One end of the piston rod 4 is equipped with a rubber piston 41, and the other end is equipped with a push handle 42, such as... Figure 7 As shown. Preferably, the push handle 42 is provided with anti-slip grooves to increase friction and prevent slippage when pushed by hand.

[0036] The irrigation head 3 includes a connecting sleeve 31 and a curved tube. The connecting sleeve 31 is used to connect to the needle connector 2. The curved tube is divided into three sections: a first guide section 32, a curved guide section 33, and a second guide section 34. The curved guide section 33 is arc-shaped, and the end of the second guide section 34 is rounded to prevent puncture wounds to the patient during irrigation. Preferably, the inner diameter of the curved tube gradually decreases from the beginning of the first guide section 32 to the end of the second guide section 34. The irrigation head 3 is detachably connected to the needle connector 2 of the injection needle tube 1 via the connecting sleeve 31, which facilitates the independent storage and preservation of the irrigation head 3 and the injection needle tube, and also makes it easy to disassemble and discard or clean and reuse the irrigation head 3 after use.

[0037] Furthermore, it also includes a push rod limiter 7, of which three are provided. One end of the push rod limiter 7 is provided with a needle tube clamp 71, and the other end is provided with a push handle clamp 72, which are used to clamp between the handle protrusion of the injection needle tube 1 and the push handle 42 of the piston push rod 4, thereby restricting the movement of the piston push rod 4. When the injection needle tube 1 is full of liquid, the piston push rod 4 is pulled outward to its farthest point. One end of the push rod limiter 7 is located on the handle protrusion of the injection needle tube 1, and the other end is located on the push handle 42 of the piston push rod 4, thereby forming a clamp between the two and restricting the movement of the piston push rod 4.

[0038] Of course, there may be other embodiments of this utility model. Without departing from the spirit and essence of this utility model, those skilled in the art can make various corresponding changes and modifications based on this utility model, but these corresponding changes and modifications should all fall within the protection scope of the appended claims of this utility model.

Claims

1. A multi-chamber oral irrigator, characterized in that: The device includes an injection needle tube (1), with a needle connector (2) at the front end of the injection needle tube (1), which is detachably connected to a flushing head (3); the injection needle tube (1) has a partition wall (11) passing through the central axis, which divides the internal cavity into three independent fan-shaped storage chambers (12), each storage chamber (12) has a piston push rod (4) adapted to it, the end of the piston push rod (4) extends to the outside of the injection needle tube (1) and is connected to a push handle (42); the injection needle tube (1) has a control valve at the front end, which is used to open a single storage chamber (12).

2. The multi-cavity oral irrigator according to claim 1, characterized in that: The control valve includes a main control valve plate (5) and a diversion control valve plate (6). A connecting shaft is provided along the central axis inside the injection needle tube (1). The main control valve plate (5) and the diversion control valve plate (6) are circular and rotatably connected to the connecting shaft. The outer periphery of the main control valve plate (5) and the diversion control valve plate (6) is sealed to the inner wall of the injection needle tube (1). The main control valve plate (5) is located near the needle connector (2). The diversion control valve... A plate (6) is stacked above a main control valve plate (5). A first sector-shaped groove (51) is provided on the main control valve plate (5), and a second sector-shaped groove (61) is provided on the diversion control valve plate (6). The central angle of the second sector-shaped groove (61) is equal to the central angle of the smallest storage cavity. The central angle of the first sector-shaped groove (51) is three times that of the second sector-shaped groove (61), and the central angle of the first sector-shaped groove (51) is not greater than 180°; injection needle (1) The sidewall has a first slot (14) and a second slot (15) that communicate with the inner cavity. The first lever (52) connected to the sidewall of the main control valve plate (5) passes through the first slot (14), and the second lever (62) connected to the sidewall of the diversion control valve plate (6) passes through the second slot (15). The second slot (15) has three slots. The middle slot corresponds to the smallest storage cavity opened by the second sector slot (61) on the diversion control valve plate (6). The left and right slots correspond to the other two storage cavities, respectively. The first slot (14) has two slots, which correspond to the opening or closing of the second sector slot (61) on the diversion control valve plate (6) when the main control valve plate (5) is open or closed. When the main control valve plate (5) is in the open state, the middle 1 / 3 of the sector area of ​​the first sector slot (51) is directly opposite the second sector slot (61) when the diversion control valve plate (6) is in the middle slot.

3. The multi-cavity oral irrigator according to claim 2, characterized in that: The ratio of the three storage cavities is 5:4:

1. The central angle of the second sector groove (61) on the diversion control valve plate (6) is 36°. The central angle of the first sector groove (51) on the main control valve plate (5) is 108°. The slotting angle of the first slot (14) is 108°. The two slots in the first slot (14) are located at its two ends respectively. The slotting angle of the second slot (15) is 72°. The three slots in the second slot (15) are located at its left end, midpoint and right end respectively.

4. The multi-cavity oral irrigator according to claim 2, characterized in that: The ratio of the three storage cavities is 4:1:

1. The central angle of the second sector groove (61) on the diversion control valve plate (6) is 60°. The central angle of the first sector groove (51) on the main control valve plate (5) is 180°. The slotting angle of the first slot (14) is 180°. The two slots in the first slot (14) are located at its two ends respectively. The slotting angle of the second slot (15) is 120°. The three slots in the second slot (15) are located at its left end, midpoint and right end respectively.

5. The multi-cavity oral irrigator according to claim 1, characterized in that: The cross-section of the piston push rod (4) is fan-shaped and matches the shape of the storage cavity. One end of the piston push rod (4) is provided with a rubber piston, and the other end is provided with a push handle (42).

6. The multi-cavity oral irrigator according to claim 5, characterized in that: The push handle (42) is provided with anti-slip grooves.

7. The multi-cavity oral irrigator according to claim 1, characterized in that: The flushing head (3) includes a connecting sleeve (31) and a bent tube. The connecting sleeve (31) is used to connect with the tube needle connector (2). The bent tube is divided into three sections, namely the first guide section (32), the curved guide section (33), and the second guide section (34). The curved guide section (33) is arc-shaped.

8. The multi-cavity oral irrigator according to claim 7, characterized in that: The inner diameter of the bend in the flushing head (3) gradually decreases from the beginning of the first guide section (32) to the end of the second guide section (34).

9. The multi-chamber oral irrigator according to claim 1, characterized in that: It also includes a push rod limiter (7), which has three push rod limiters. One end of the push rod limiter (7) is provided with a needle tube bayonet (71), and the other end is provided with a push handle bayonet (72), which is used to lock between the handle protrusion of the injection needle tube (1) and the push handle (42) of the piston push rod (4) to restrict the movement of the piston push rod (4).

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