CN114903628A - An oral cleaning device suitable for chemotherapy patients - Google Patents

Abstract

The invention discloses an oral cavity cleaning device suitable for chemotherapy patients, which comprises: a cleaning device body including tooth cleaning slots for interaction with teeth of a patient; the side wall of the tooth cleaning groove is provided with a water outlet hole, and the water outlet hole is used for ejecting high-pressure fluid to clean tooth parts of teeth; the notch position of the tooth cleaning groove is also provided with an expansion piece; the expansion piece is used for being connected with the inflatable structure, realizes the reduction of the tooth cleaning groove notch opening interval, and through arranging the closing piece on the cleaning body, the tooth-shaped space for placing teeth is closed to a certain extent, so that the influence on oral mucosa is reduced when the teeth in the approximate closed space are cleaned.

Description

An oral cleaning device suitable for chemotherapy patients

technical field

The invention relates to the technical field of medical devices, and further relates to an oral cleaning device suitable for chemotherapy patients.

Background technique

Chemotherapy is one of the main adjuvant treatment methods for cancer. It uses chemotherapy drugs to kill cancer cells to achieve the purpose of treatment. ), chemotherapy drugs will spread to most organs and tissues of the body along with the blood circulation. Because chemotherapy drugs are cytotoxic drugs, they will cause different degrees of damage to normal cells while killing diseased cells, resulting in leukocyte and thrombocytopenia. , its damage to oral tissue cells can cause damage to the oral mucosa, destroy the oral protective layer, and increase the risk of infection. Oral infection is a common complication after chemotherapy. And the occurrence of oral infection has a negative impact on the quality of life and quality of life of patients. In severe cases, chemotherapy may be interrupted, affecting prognosis. At the same time, the intraoral fascial space contains loose connective tissue, which has weak anti-infection ability. Infection may spread rapidly through this route, thereby causing systemic diseases. Due to the reduction of platelets, any cleaning method that easily leads to damage to the oral skin cannot be applied. in chemotherapy patients.

And for patients after chemotherapy, there is a reaction of the digestive system, which will lead to less drinking and eating, and weakened oral self-cleaning effect, further increasing the risk of oral ulcers.

Therefore, how to achieve oral hygiene of patients and reduce the incidence of oral mucosal ulceration and oral infection is an urgent problem to be solved.

In view of this, this application is hereby made.

SUMMARY OF THE INVENTION

Aiming at the problems of unsatisfactory cleaning effect and influence on oral mucosa in chemotherapy patients in the prior art, the present invention provides an oral cleaning device suitable for chemotherapy patients. A sealing device is provided on the cleaning body. The tooth-shaped space for placing the teeth is closed to a certain extent, which can reduce the impact on the oral mucosa when the teeth are cleaned in an approximately closed space.

The present invention is achieved through the following technical solutions:

An embodiment of the present invention provides an oral cleaning device suitable for chemotherapy patients, comprising: a cleaning device body, the cleaning device body includes a tooth cleaning groove, the tooth cleaning groove is used to cooperate with the patient's teeth; the teeth The side wall of the cleaning tank is provided with a water outlet hole, and the water outlet hole is used for injecting high-pressure fluid to achieve cleaning of the teeth; the slot position of the tooth cleaning tank is also provided with an expansion piece; the expansion piece is used for inflating with air Structural connection to achieve the reduction of the spacing between the openings of the tooth cleaning grooves.

In this solution, the cleaning device includes a cleaning device body, and the cleaning device body has a tooth cleaning slot matched with the tooth shape of the teeth, and a water outlet hole is provided on the side of the tooth cleaning slot, and the water outlet hole is used for For high-pressure fluid to be ejected, and since an expansion member is also provided at the position of the slot, the expansion member is used to connect with the inflatable structure, so that the distance between the slot positions can be reduced. When using the device for tooth cleaning, the patient The device can be directly occluded, the teeth are placed in the corresponding tooth cleaning grooves, and the teeth can be cleaned by high-pressure water flow, and due to the structural design of the expansion piece, the expansion piece can be actively inflated before cleaning with high-pressure water flow. In this way, the expansion of the expansion piece is realized, so that the distance between the notch is reduced, the teeth can be effectively placed in a closed space, and then cleaned by the high-pressure water flow, which can effectively reduce the impact of the high-pressure water flow on the teeth. After hitting the oral mucosa, it will cause the risk of rupture of the patient's oral mucosa and affect the patient's experience of use.

Further, the expansion member has an inner cavity, the cleaning device body is provided with an air supply branch, the air supply branch includes an air outlet and an air inlet, the air outlet communicates with the inner cavity, and the air inlet The air port is used to connect with the inflatable structure.

Further, there are two expansion members, and the two expansion members are respectively disposed on the side walls on both sides of the tooth cleaning slot.

Further, the side wall of the tooth cleaning tank is further provided with a limiting component, the limiting component includes two limiting plates arranged at intervals, and the expansion member is arranged in the interval space between the two limiting plates.

Further, the tooth cleaning slot is a groove structure with closed ends, and both ends of the tooth cleaning slot are provided with telescopic pieces for realizing end closure.

Further, one end of the telescopic piece is fixedly connected with the groove top of the tooth cleaning slot, and the other end of the telescopic piece can move along the depth direction of the tooth cleaning slot, when the telescopic piece is not subjected to external force, The other end of the telescopic piece is coplanar with the plane where the notch of the tooth cleaning slot is located.

Further, the cleaning device body is also provided with a cooling layer for realizing the cooling of the oral mucosa, and the cooling layer includes a first cooling zone and a second cooling zone; the first cooling zone is used to connect with the oral mucosa on the front side of the teeth. In cooperation, the second cooling zone is used to cooperate with the oral mucosa on the back side of the teeth.

Further, the cooling layer is also provided with a cooling branch, the cooling branch includes a liquid outlet and a liquid inlet, the liquid inlet is used for connecting with the cooling liquid, and the liquid outlet includes The first liquid outlet of the first cooling zone and the second liquid outlet arranged in the second cooling zone.

Further, it also includes an external component, the external component includes an air source component, a cooling source component and a high-pressure fluid component; the air source component communicates with the air supply branch through a first branch, and the cooling source component passes through The second branch communicates with the cooling branch, and the high-pressure fluid component communicates with the water outlet through a third branch; the third branch is provided with a first pressure valve whose initial state is closed and an initial state is The opened second pressure valve, the first branch is provided with a first pressure sensor for monitoring the internal pressure of the first branch, and the first pressure sensor is signally connected to the first pressure valve for controlling The opening of the first pressure valve; the second branch is provided with a liquid collecting cavity, and a second pressure sensor is set in the liquid collecting cavity, and the second pressure sensor is signally connected to the second pressure valve, For controlling the closing of the second pressure valve.

Further, the cooling source assembly further includes a cooling source device and a liquid temporary storage chamber, the second branch includes a first segment and a second segment, and the first segment is used for connecting the cooling source device and the liquid collection chamber, the second segment is used to connect the liquid collection chamber and the liquid temporary storage chamber; the flow rate of the second segment is less than or equal to the flow rate of the first segment; the The liquid temporary storage chamber is provided with a liquid discharge pipe, and the liquid discharge pipe includes a bending section, and the bending section is located in the space range between the cavity top and the cavity bottom of the liquid temporary storage cavity; the bending section has a direction toward The first opening and the second opening on the same side, the first opening is connected with a first pipe section with both ends located in the space range of the cavity top and the cavity bottom of the liquid temporary storage cavity, and one end of the first pipe section is connected to the cavity. The first opening is connected, and the other end of the first pipe section is spaced from the bottom of the liquid temporary storage cavity; the second opening is connected with two ends respectively located at the bottom of the liquid temporary storage cavity. A second pipe section on the side, one end of the second pipe section communicates with the second opening, and the other end of the first pipe section communicates with the cooling branch.

Compared with the prior art, the present invention has the following advantages and beneficial effects:

The embodiment of the present invention also relates to an oral cleaning device suitable for chemotherapy patients. By setting a high-pressure water flow and an expansion member, on the one hand, the high-pressure water flow can be used to clean the teeth to ensure the cleaning effect and effectively ensure the interdental gap. On the other hand, by arranging an expansion piece at the notch position of the tooth cleaning tank, a cleaning space similar to a sealed tooth is provided, which can effectively reduce or even avoid the impact of high-pressure water on the oral mucosa. On the premise of ensuring the cleaning effect, the cleaning of the oral cavity is realized, the cleaning effect is guaranteed, and the comfort of the patient is improved.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention.

1 is a schematic structural diagram of an oral cleaning device provided by an embodiment of the present invention;

2 is a cross-sectional view (section of a high-pressure fluid flow path) of an oral cleaning device provided by an embodiment of the present invention;

3 is a cross-sectional view (section of an inflation gas flow path) of an oral cleaning device provided by an embodiment of the present invention;

4 is a schematic structural diagram of an oral cleaning device provided by another embodiment of the present invention;

5 is a cross-sectional view of an oral cleaning device according to another embodiment of the present invention (cross-section of a cooling liquid flow path);

6 is a schematic structural diagram of an oral cleaning device provided by another embodiment of the present invention (a piece to be stretched);

7 is a schematic structural diagram of an external component provided by another embodiment of the present invention;

8 is a cross-sectional view (section of a high-pressure fluid removal route) of an oral cleaning device provided by an embodiment of the present invention.

The reference numbers in the figure are:

100-cleaning device body, 110-tooth cleaning tank, 110a-upper tooth cleaning tank, 110b-lower tooth cleaning tank, 111-water outlet, 112-limiting component, 113-extension piece, 120-air supply branch, 121 -Air outlet, 122-air inlet, 131-first cooling zone, 132-second cooling zone, 133-cooling branch, 200-expansion piece, 300-external component, 310-air source component, 311-first branch Road, 312-first pressure sensor, 320-cooling source assembly, 321-second branch, 321a-first segment, 321b-second segment, 322-liquid collection chamber, 323-second pressure sensor, 325 -Liquid temporary storage chamber, 326-bending section, 327-first pipe section, 328-second pipe section, 330-high pressure fluid component, 331-third branch, 332-first pressure valve, 333-second pressure valve , 410-check valve, 420-drainage branch.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. The embodiments of the present invention, and all other embodiments obtained by those of ordinary skill in the art without creative work, fall within the protection scope of the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one of ordinary skill in the art that these specific details need not be employed to practice the present invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail in order to avoid obscuring the present invention.

Throughout this specification, references to "one embodiment," "an embodiment," "an example," or "an example" mean that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in the present invention in at least one embodiment. Thus, appearances of the phrases "one embodiment," "an embodiment," "one example," or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures or characteristics may be combined in any suitable combination and/or subcombination in one or more embodiments or examples. Furthermore, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and that the drawings are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the description of the present invention, it should be understood that the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", The orientation or positional relationship indicated by "low", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated device or Elements must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the scope of the invention.

Example

As shown in FIG. 1-FIG. 3, an embodiment of the present invention provides an oral cleaning device suitable for chemotherapy patients, including: a cleaning device body 100, the cleaning device body 100 includes a tooth cleaning tank 110, the tooth cleaning tank 110 is used to cooperate with the patient's teeth; the side wall of the tooth cleaning tank 110 is provided with a water outlet hole 111, and the water outlet hole 111 is used for high-pressure fluid injection to achieve cleaning of the teeth; An expansion piece 200 is also provided at the position of the slot; the expansion piece 200 is used for connecting with the inflatable structure, so as to reduce the distance between the openings of the slot of the tooth cleaning slot 110 .

The teeth have an upper and lower tooth structure, the tooth cleaning groove 110 has an upper tooth cleaning groove 110a matched with the upper teeth and a lower tooth cleaning groove 110b matched with the lower teeth, the upper tooth cleaning groove 110a and the lower tooth cleaning groove 110a The grooves 110b are separated by a middle partition plate, and the upper tooth cleaning grooves 110a and the lower tooth cleaning grooves 110b are both provided with expansion members 200 for reducing the spacing between the corresponding notches.

Specifically, the expansion member 200 is used to receive external air, so as to reduce the distance between the slots of the tooth cleaning slot 110. For the expansion member 200, an elastic material can be used to continuously expand to the The inner cavity of the expansion piece 200 is inflated to realize the stretching of the elastic material, so as to realize the expansion of the cross-sectional diameter of the expansion piece 200, thereby failing to reduce the gap between the slots; the use of elastic materials and inflatable structural design can effectively The realized expansion, on the other hand, can be adapted to different tooth shapes, thus providing applicability.

Wherein, as those skilled in the art should know, the tooth cleaning tank 110 is adapted to the patient's teeth, the tooth cleaning tank 110 should have a certain length, and the expansion member 200 should also have a certain length, so as to ensure The overall closure effect.

Specifically, as those skilled in the art should know, for different patients, the shape and curvature of their teeth are different, and through the structural design of the expansion member 200, a faster notch width can be provided to meet the needs of different teeth According to the patient's use requirements of the shape and radian, the expansion member 200 is used to realize the matching with the position of the gums, thereby improving the applicability.

Specifically, the water outlet holes 111 are used for injecting high-pressure fluid to clean the teeth. In order to ensure the comprehensiveness of cleaning, there are multiple water outlet holes 111, and the plurality of water outlet holes 111 are arranged in the teeth cleaning. Different positions of the side wall of the groove 110, so as to ensure the comprehensiveness of cleaning.

Wherein, the high pressure fluid includes but is not limited to high pressure gas and high pressure liquid.

In this solution, the cleaning device includes a cleaning device body 100, and the cleaning device body 100 has a tooth cleaning slot 110 that matches the tooth shape of the teeth. The water outlet hole 111 is used for high-pressure fluid to be ejected, and since the expansion member 200 is also provided at the position of the slot, the expansion member 200 is used to connect with the inflatable structure, and the distance between the slot positions can be reduced. When the device cleans the teeth, the patient can directly bite the device, place the teeth in the corresponding tooth cleaning tank 110, and realize the cleaning of the teeth by the high-pressure water flow. The expansion of the expansion member 200 can be realized by actively inflating the expansion member 200, so that the gap between the notch can be reduced, and the teeth can be effectively placed in a closed space, and then cleaned by high-pressure water flow. , which can effectively reduce the risk of high-pressure water flow on the oral mucosa after the teeth impact and change direction, resulting in the rupture of the patient's oral mucosa and affecting the patient's experience.

In some embodiments, the expansion member 200 has an inner cavity, the cleaning device body 100 is provided with an air supply branch 120 , and the air supply branch 120 includes an air outlet 121 and an air inlet 122 , and the air outlet 121 In communication with the inner cavity, the air inlet 122 is used to connect with the inflatable structure.

Specifically, as far as the cleaning device body 100 is concerned, in order to adapt to the shape of the oral cavity, for the side wall of the tooth cleaning slot 110, it is a plate-like structure with an arc, and in order to form a corresponding upper tooth cleaning For the groove 110a and the lower tooth cleaning groove 110b, a horizontal plate is provided between the two plates, and the upper tooth cleaning groove 110a and the lower tooth cleaning groove 110b are respectively formed.

Specifically, for the air supply branch 120, in order to avoid the influence of the structure of the air supply branch 120 on the use of the patient, the air supply branch 120 is an embedded pipeline arranged inside the plate-shaped structure. The gas port 122 is arranged on the side of the plate body near the front end of the oral cavity, that is, near the lips, and in order to realize the circulation of the gas between the two plates, a corresponding gas flow channel is arranged on the horizontal plate.

In some embodiments, there are two expansion members 200, and the two expansion members 200 are respectively disposed on the side walls on both sides of the tooth cleaning slot 110, and the expansion members 200 are provided in two and respectively. Provided on both sides, it is possible to inflate the two expansion members 200 by

As shown in FIGS. 2-3 , in some embodiments, a limit assembly 112 is further provided on the side wall of the tooth cleaning tank 110 , and the limit assembly 112 includes two spaced limit plates. In the space between the two limiting plates in the spacer 200, the directional expansion of the expansion element 200 is realized through the structural design of the limiting assembly 112, so as to avoid reducing the corresponding cleaning space and affecting the cleaning effect. .

As shown in FIG. 6 , in some embodiments, the tooth cleaning slot 110 is a groove structure with closed ends, and both ends of the tooth cleaning slot 110 are provided with telescopic elements 113 for realizing end closure.

Further, one end of the telescopic element 113 is fixedly connected with the groove top of the tooth cleaning tank 110 , and the other end of the telescopic element 113 can move along the depth direction of the tooth cleaning tank 110 , when the telescopic element 113 When no external force is applied, the other end of the telescopic element 113 is coplanar with the plane where the notch of the tooth cleaning tank 110 is located.

Among them, through the structural design of the telescopic piece 113, the ends of the tooth cleaning groove 110 can be closed, which can effectively reduce or even avoid the impact on the oral mucosa at both ends of the teeth. This is the position of the wisdom teeth, and the retraction of the telescopic element 113 can be realized by occlusal, thereby realizing the abdication.

It should be noted that, for the air outlet, in order to avoid affecting the structure of the telescopic element 113, the contact position between the telescopic element 113 and the side wall of the tooth cleaning slot 110 should not be set correspondingly vent structure.

As shown in FIGS. 4-5 , in some embodiments, the cleaning device body 100 is further provided with a cooling layer for cooling the oral mucosa, and the cooling layer includes a first cooling zone 131 and a second cooling zone 132; The first cooling zone 131 is used for cooperating with the oral mucosa on the front side of the teeth, and the second cooling zone 132 is used for cooperating with the oral mucosa on the back side of the teeth.

Specifically, through the structural design of the cooling layer, as those skilled in the art should know, in the prior art, low temperature treatment is usually used for tumor patients after chemotherapy, thereby shrinking the blood vessels of the oral mucosa, reducing the oxygen content of the mucosal tissue and reducing the amount of drugs The perfusion volume can reduce the reaction of chemotherapy to the mucosa, thereby protecting the oral mucosa. Through the design of the first cooling zone 131 and the second cooling zone 132, it can match the internal shape of the oral cavity and make it better fit the oral mucosa.

Wherein, the first cooling zone 131 is used to cooperate with the oral mucosa on the front side of the teeth, that is, the first cooling zone 131 is used to cooperate with the oral mucosa on the side of the teeth close to the lips; the second cooling zone 132 It is used to cooperate with the oral mucosa on the back side of the teeth, that is, the first cooling zone 131 is used to cooperate with the oral mucosa on the side of the teeth close to the throat.

Specifically, the second cooling zone 132 is a flexible sheet-like structure. When using the second cooling zone 132 for cooling, the tongue can be used to push up the second cooling zone 132 to contact the upper jaw to achieve cooling. It should be noted that, as those skilled in the art should know, for the human oral cavity, the lower jaw is more sensitive than the upper jaw, and combining the second cooling zone 132 with the upper jaw can reduce the influence of temperature on the lower jaw.

In some embodiments, the cooling layer is further provided with a cooling branch 133, the cooling branch 133 includes a liquid outlet and a liquid inlet, the liquid inlet is used for connecting with the cooling liquid, and the liquid outlet It includes a first liquid outlet set in the first cooling zone 131 and a second liquid outlet set in the second cooling zone 132 .

Specifically, in order to avoid the influence of the cooling branch 133 on the patient, the cooling branch 133 may also be similar to the air supply branch 120, and can be arranged in the cleaning device body 100, and in order to avoid the air supply branch 120 and the cooling branch 133 interact with each other, and the two should be set independently.

In this solution, the liquid inlet of the cooling branch 133 is similar to the air inlet 122 of the air supply branch 120 , and is provided on the side wall of the cleaning device body 100 . The cooling liquid enters the oral cavity to further ensure the cooling effect, and through the arrangement of the second liquid outlet, the cooling liquid can be heated to a certain extent, thereby reducing the impact on the lower jaw.

The cooling liquid provided by the cooling branch 133 may be drinkable liquid, and to a certain extent, can replenish water for the patient.

Among them, as those skilled in the art should know, since the cooling liquid is a drinkable liquid and can enter the oral cavity through the liquid outlet, in order to avoid the situation that the patient choking due to being mixed with the cooling liquid, the cooling liquid can also be The cleaning device is provided with a water suction pipeline and a water suction hole to discharge the liquid.

In some embodiments, as those skilled in the art should know, for the corresponding cooling branch structure, in the case where oral moisturization is not required, a circulating cooling liquid circuit provided in the cleaning device may be considered, That is, without setting the liquid outlet, the internal circulation is realized in the cleaning device, which is convenient for the reuse of the cooling liquid.

Specifically, through the structural design of the cooling branch, the cumbersome process of constantly changing ice cubes during chemotherapy and oral hypothermia treatment is solved, and the workload of nurses is reduced.

As shown in FIG. 7 , in some embodiments, an external component 300 is further included, and the external component 300 includes an air source assembly 310 , a cooling source assembly 320 and a high-pressure fluid assembly 330 ; the air source assembly 310 passes through the first branch circuit 311 communicates with the air supply branch 120 , the cooling source component 320 communicates with the cooling branch 133 through the second branch 321 , and the high-pressure fluid component 330 communicates with the water outlet hole 111 through the third branch 331 communication; the third branch 331 is provided with a first pressure valve 332 that is initially closed and a second pressure valve 333 that is open in an initial state, and the first branch 311 is provided with a monitor for monitoring the first branch The first pressure sensor 312 of the internal pressure of 311, the first pressure sensor 312 is signally connected to the first pressure valve 332, and is used to control the opening of the first pressure valve 332; the second branch 321 is provided with The liquid collection chamber 322, a second pressure sensor 323 is arranged in the liquid collection chamber 322, and the second pressure sensor 323 is signally connected to the second pressure valve 333 for controlling the closing of the second pressure valve 333 .

In this solution, through the structural design of the external component 300, the expansion gas, cooling liquid and cleaning liquid of the expansion member 200 can be provided, and the gas source assembly 310 and the cooling source assembly 320 can be realized through the structural design of the branch circuit. And the mutual triggering of the high-pressure fluid components 330, so as to ensure that the cleaning process is carried out in sequence.

Specifically, the first branch 311 is used to inflate the inflation member 200 , the second branch 321 is used for cooling, and the third branch 331 is used to provide high-pressure fluid to clean teeth; in the first branch 311 A first pressure sensor 312 is provided on the top to monitor the pressure change of the first branch 311. After the pressure of the first branch 311 is constant, as those skilled in the art should know, the function of the expansion member 200 in the external air source The first pressure sensor 312 sends a corresponding signal for the first pressure valve 332 to receive, The first pressure valve 332 receives the corresponding signal to realize the opening of the valve. At this time, the third branch 331 is connected, so as to realize the cleaning of the teeth, and for the cooling source assembly 320, a liquid collecting chamber is provided 322, the second pressure sensor 323 is used to test the change of the liquid in the liquid collecting chamber 322, when the corresponding liquid reaches a preset value, the second pressure sensor 323 sends a corresponding signal to realize the second pressure valve 333 Close to complete the cleaning, avoid the impact of the cleaning process and hypothermia treatment, so as to avoid the inadvertent movement of the internal tissues of the oral cavity caused by the patient receiving hypothermia treatment, and the impact of high-pressure fluid on the oral mucosa.

Among them, as those skilled in the art should know, after the expansion member 200 realizes the reduction of the notch spacing, the corresponding cleaning space may be similar to the sealed space. In order to ensure the effectiveness of cleaning and the high-pressure fluid after cleaning To discharge the high-pressure fluid, a check valve 410 can be arranged on the side wall or the bottom surface of the tooth cleaning tank 110 to realize the discharge of the high-pressure fluid.

Specifically, as shown in FIG. 8 , the one-way valve 410 is disposed on the side wall or the bottom surface, and communicates with the outside world through the drainage branch 420 .

In some embodiments, the cooling source assembly 320 further includes a cooling source device and a liquid temporary storage chamber 325, and the second branch 321 includes a first segment 321a and a second segment 321b, the first segment 321a is used to connect the cooling source device and the liquid collection chamber 322, the second segment 321b is used to connect the liquid collection chamber 322 and the liquid temporary storage chamber 325; The flow rate is less than or equal to the flow rate of the first segment 321a; the liquid temporary storage chamber 325 is provided with a liquid discharge pipe, and the liquid discharge pipe includes a bent section 326, and the bent section 326 is located in the liquid temporary storage chamber The bending section 326 has a first opening and a second opening facing the same side, and the first opening is connected with two ends located in the liquid temporary storage chamber 325. A first pipe section 327 within the space range between the cavity top and the cavity bottom, one end of the first pipe section 327 is communicated with the first opening, and the other end of the first pipe section 327 is connected with the cavity bottom of the liquid temporary storage cavity 325 The directions are arranged at intervals; the second opening is connected with a second pipe section 328 whose two ends are located on opposite sides of the cavity bottom of the liquid temporary storage cavity 325, and one end of the second pipe section 328 is communicated with the second opening, so The other end of the first pipe section 327 communicates with the cooling branch 133 .

Among them, for the liquid temporary storage chamber 325, it realizes the discharge of the internal liquid based on the distance of the siphon and the distance of the communication device. As those skilled in the art should know, there should be a certain amount of The time interval, through the structural design of the liquid temporary storage chamber 325, provides a corresponding time interval to ensure the efficiency of low-temperature data, and in order to further ensure the time interval, the flow rate of the liquid discharged from the drain pipe should be greater than that of the first time interval. The flow rate of the second segment 321b can ensure the rapid discharge of the liquid.

The above are preferred embodiments of the present invention. Those skilled in the art can also make changes and modifications to the above-mentioned embodiments. Therefore, the present invention is not limited to the above-mentioned specific embodiments. Any obvious improvements, substitutions or deformations made on the basis belong to the protection scope of the present invention.

Claims (10)

1. An oral cleaning device suitable for use in a patient undergoing chemotherapy, comprising:

a cleaning device body (100), the cleaning device body (100) comprising a tooth cleaning slot (110) for interacting with a patient's teeth;

the side wall of the tooth cleaning groove (110) is provided with a water outlet hole (111) which is used for realizing the cleaning of tooth parts by injecting high-pressure fluid;

the notch position of the tooth cleaning groove (110) is also provided with an expansion piece (200); the expansion piece (200) is used for being connected with an air inflation structure, and the reduction of the opening distance of the tooth cleaning groove opening is realized.

2. An oral cavity cleaning device suitable for patients with chemotherapy according to claim 1, wherein the expansion member (200) has an inner cavity, the cleaning device body (100) is provided with a gas supply branch (120), the gas supply branch (120) comprises a gas outlet (121) and a gas inlet (122), the gas outlet (121) is communicated with the inner cavity, and the gas inlet (122) is used for being connected with an inflation structure.

3. The oral cavity cleaning device for the patient in chemotherapy according to claim 1, wherein the number of the expansion members (200) is two, and the two expansion members (200) are respectively disposed on the sidewalls of the teeth cleaning groove (110).

4. The oral cavity cleaning device for the chemotherapy patients according to claim 3, wherein the side wall of the tooth cleaning groove is further provided with a limiting component (112), the limiting component (112) comprises two limiting plates which are arranged at intervals, and the expansion piece (200) is arranged in the space between the two limiting plates.

5. An oral cavity cleaning device suitable for a chemotherapy patient according to claim 1, wherein the tooth cleaning groove (110) is a groove structure with two closed ends, and both ends of the tooth cleaning groove (110) are provided with a telescopic piece (113) for realizing end closure.

6. An oral cavity cleaning device suitable for a chemotherapy patient according to claim 5, wherein one end of the telescopic member (113) is fixedly connected with the top of the tooth cleaning groove (110), the other end of the telescopic member (113) can move along the depth direction of the tooth cleaning groove (110), and when the telescopic member (113) is not applied with external force, the other end of the telescopic member (113) is coplanar with the plane of the notch of the tooth cleaning groove (110).

7. The oral cleaning device for the chemotherapy patients according to any one of claims 1 to 6, wherein the cleaning device body (100) is further provided with a cooling layer for cooling the oral mucosa, the cooling layer comprises a first cooling area (131) and a second cooling area (132); the first cooling area (131) is used for being matched with oral mucosa on the front side of teeth, and the second cooling area (132) is used for being matched with the oral mucosa on the rear side of the teeth.

8. The oral cavity cleaning device for patients undergoing chemotherapy according to claim 7, wherein the cooling layer is further provided with a cooling branch (133), the cooling branch (133) comprises a liquid outlet and a liquid inlet, the liquid inlet is used for being connected with cooling liquid, and the liquid outlet comprises a first liquid outlet arranged at the first cooling area (131) and a second liquid outlet arranged at the second cooling area (132).

9. The oral cleaning device of claim 8, further comprising an external assembly, wherein the external assembly comprises a gas source assembly, a cooling source assembly and a high pressure fluid assembly; the air source assembly is communicated with the air supply branch (120) through a first branch, the cooling source assembly is communicated with the cooling branch (133) through a second branch, and the high-pressure fluid assembly is communicated with the water outlet hole (111) through a third branch; the third branch is provided with a first pressure valve which is closed in an initial state and a second pressure valve which is opened in the initial state, the first branch is provided with a first pressure sensor for monitoring the internal pressure of the first branch, and the first pressure sensor is in signal connection with the first pressure valve and is used for controlling the opening of the first pressure valve; the second branch is provided with a liquid collecting cavity, a second pressure sensor is arranged in the liquid collecting cavity, and the second pressure sensor is in signal connection with the second pressure valve and used for controlling the second pressure valve to be closed.

10. The oral cleaning device of claim 9, wherein the cooling source assembly further comprises a cooling source device and a buffer chamber, the second branch comprises a first segment for connecting the cooling source device and the liquid collection chamber, and a second segment for connecting the liquid collection chamber and the buffer chamber; the flow rate of the second section is less than or equal to the flow rate of the first section; the liquid temporary storage cavity is provided with a liquid discharge pipe, the liquid discharge pipe comprises a bending section, and the bending section is positioned in the space range of the cavity top and the cavity bottom of the liquid temporary storage cavity; the bending section is provided with a first opening and a second opening which face the same side, the first opening is connected with a first pipe section, two ends of the first pipe section are positioned in the space range of the top and the bottom of the liquid temporary storage cavity, one end of the first pipe section is communicated with the first opening, and the other end of the first pipe section is arranged at intervals with the bottom of the liquid temporary storage cavity in the cavity direction; the second opening is connected with a second pipe section, two ends of the second pipe section are respectively positioned on the different sides of the cavity bottom of the liquid temporary storage cavity, one end of the second pipe section is communicated with the second opening, and the other end of the first pipe section is communicated with the cooling branch (133).

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