Saliva collecting device

By designing a saliva collection device with a flexible spherical collection head and a negative pressure suction device, the problem of difficulty in collecting saliva in infants, children and the elderly in the prior art is solved, and efficient and convenient saliva collection is achieved.

CN119112246AInactive Publication Date: 2024-12-13PEKING UNIVERSITY THIRD HOSPITAL (THE THIRD CLINICAL MEDICAL SCHOOL OF PEKING UNIVERSITY)

Patent Information

Application Number
CN202411220335.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-02
Publication Date
2024-12-13
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing saliva collectors are difficult to use in infants, children and the elderly, especially in patients without autonomous consciousness, which are difficult to collect saliva and cannot obtain the ideal amount of saliva.

Method used

A saliva collection device including a collection mask, a collection head and a collection tube was designed. The collection head was a flexible spherical structure, with a sour stimulating liquid on the surface, equipped with an arc-shaped liquid collection plate and a vibrating ball, combined with a negative pressure suction device, It can stimulate saliva secretion and effectively collect without damaging the oral cavity.

Benefits of technology

It improves the efficiency and amount of saliva collection, reduces the difficulty of collection, is suitable for patients without autonomous awareness, and achieves efficient saliva collection through negative pressure suction devices.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The invention discloses a saliva collecting device which comprises a collecting head and a collecting tube, the collecting tube is detachably connected with the collecting head, the collecting head is of a flexible spherical structure with a hollow interior, a plurality of collecting holes are formed in the collecting head, the surface of the collecting ball is coated with edible sour stimulation liquid, and the collecting tube is connected with the collecting head. An arc-shaped liquid collecting disc is arranged at the position, close to the connecting position, of the collecting head, the collecting head is located on the inner side of the arc-shaped liquid collecting disc, a plurality of overflow holes are formed in the connecting position of the collecting head and the arc-shaped liquid collecting disc, a connecting piece is arranged on the side face of the collecting pipe and connected with a negative pressure suction device, and a liquid discharging opening is formed in the lower end of the collecting pipe. And a liquid discharge control valve is arranged at the liquid discharge port. The saliva collecting device has the advantage that saliva of a patient without autonomous consciousness can be conveniently collected.
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Description

Technical Field

[0001] The invention belongs to the technical field of medical devices, and in particular relates to a saliva collecting device. Background Art

[0002] As an innovation of traditional detection methods, saliva testing has gradually become the main means of detecting diseases and monitoring health. This view has reached a consensus in developed countries in Europe and the United States. At present, saliva collectors used in nucleic acid research and genetic testing mainly collect saliva by spitting and scraping saliva. It is very inconvenient to collect and preserve saliva for infants, children and the elderly. For some patients who are unconscious, it is even more difficult to make them actively produce saliva. Saliva collection is more troublesome, and it is impossible to obtain the ideal saliva collection volume. Summary of the invention

[0003] The purpose of the present invention is to provide a saliva collecting device to solve the above problems existing in the prior art.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] A saliva collection device comprises a collection mask, a collection head and a collection tube, wherein the collection tube is detachably connected to the collection head, the collection head is hollow inside and presents a flexible spherical structure, a plurality of collection holes are provided on the collection head, the surface of the collection ball is coated with an edible sour stimulating liquid, an arc-shaped liquid collection tray is provided near the connection position of the collection head and the collection head is located on the inner side of the arc-shaped liquid collection tray, a plurality of overflow holes are provided at the connection between the collection head and the arc-shaped liquid collection tray, a connecting piece is provided on the side of the collection tube, the connecting piece is connected to a negative pressure suction device, a liquid discharge port is provided at the lower end of the collection tube, and a liquid discharge control valve is provided at the liquid discharge port; the collection head is provided at a position corresponding to the mouth of the collection mask and is located on the inner side of the collection mask, ear hook holes are provided at both ends of the collection mask, and a plurality of vibration balls are provided at positions corresponding to the sublingual gland, the parotid gland and the submandibular gland on the inner side of the collection mask.

[0006] The working process and principle of the above structure are as follows:

[0007] When collecting saliva, insert the collection head into the patient's mouth, with the arc-shaped liquid collection plate close to the patient's mouth corners and chin, wear the collection mask on the patient's face, and fix the collection mask on the patient's two ears through the ear hook holes, so that the vibration balls corresponding to the parotid gland, sublingual gland and submandibular gland vibrate, thereby stimulating the patient to secrete saliva and improving the collection efficiency. The spherical structure of the collection head can support a certain space in the mouth of an unconscious patient without damaging the patient's mouth, so that the patient can automatically secrete saliva. At the same time, the sour stimulating liquid on the surface of the collection head can further stimulate the patient to produce saliva. The flexible material of the collection head Some patients with independent consciousness can chew to stimulate the production of saliva. In various ways, it is ensured that a sufficient amount of saliva is produced, while reducing the difficulty of saliva collection. After the saliva is collected, a part of it flows into the arc-shaped collection tray along the corners of the mouth, and enters the collection head through the overflow hole at the arc-shaped collection tray and flows into the collection tube. The negative pressure suction device connected to the connecting piece can generate negative pressure suction force in the collection tube, so that another part of the saliva is sucked into the collection head through the collection hole on the surface of the collection head, thereby realizing the collection of saliva; after collection, it enters the collection tube and can be discharged into other storage units by opening the discharge control valve.

[0008] Furthermore, the collection tube is in an L-shaped structure, an external thread is provided at the opening of the collection tube, an internal thread is provided at the connection of the collection head, and the collection tube and the collection head are connected by threads.

[0009] The cooperation of the external thread and the internal thread facilitates the disassembly and assembly of the collection tube and the collection head, and the L-shaped structure of the collection tube allows the collection tube to remain in a horizontal state rather than an inverted state after the collection head is placed in the patient's mouth.

[0010] Furthermore, an inner lining ring is provided at the connection of the collection head, and the inner lining ring is integrally formed with the inner side surface of the collection head. A gap is left between the inner lining ring and the internal thread, and the thickness of the gap is greater than the wall thickness of the collection tube.

[0011] The setting of the inner lining ring facilitates the sealing effect, allowing saliva to flow directly into the collection tube without leakage, and at the same time plays a limiting role for the threaded installation of the collection tube.

[0012] Furthermore, a vibration motor is provided in the collection head, and the outside of the vibration motor is covered with a protective film.

[0013] The setting of the vibration motor can vibrate inside the collection head to stimulate saliva secretion, and the setting of the protective film is used to prevent saliva from soaking into the vibration motor.

[0014] Furthermore, the collection tube is a transparent tube, and a scale is provided on the side of the collection tube.

[0015] The scale is used to display the amount of saliva collected.

[0016] Furthermore, the negative pressure suction device is a pressing airbag, both ends of which are provided with one-way valves, and the connecting piece is a threaded connection port, and the pressing airbag is threadedly connected to the connecting piece through the one-way valve at one end.

[0017] The pressing airbag is set up for use when there is no automatic negative pressure suction mechanism. Negative pressure suction can be performed manually. The one-way valve cooperates with the pressing airbag to play the role of one-way negative pressure suction. The connecting piece is used to connect the pressing airbag.

[0018] Furthermore, the negative pressure suction device is a ward medical negative pressure suction interface, which is connected to a hospital negative pressure aspirator, and the connecting piece is a quick sealing interface.

[0019] Through the medical negative pressure suction interface in the ward, negative pressure suction force can be automatically generated, making saliva collection more effective.

[0020] Furthermore, a power switch and a battery are provided on the outside of the collection mask, and the power switch is connected to each vibration motor through a power line.

[0021] The vibration motor is turned on and off by the power switch and battery.

[0022] Furthermore, a first connecting belt and a second connecting belt are respectively provided at positions of the back neck at both ends of the collection mask, and the first connecting belt and the second connecting belt are detachably connected.

[0023] By connecting the first connecting belt and the second connecting belt, the collection mask is fixed to the back of the patient's neck in an auxiliary fixing manner, so that the collection mask is fixed more firmly.

[0024] Beneficial effects: When collecting saliva, the present invention inserts the collection head into the patient's mouth, and the arc-shaped liquid collection tray is close to the patient's mouth corners and chin. The spherical structure of the collection head can support a certain space in the patient's mouth without damaging the patient's mouth, so that the patient can automatically secrete saliva. At the same time, the sour stimulating liquid on the surface of the collection head can further stimulate the patient to produce saliva. The collection head is made of a flexible material, and some patients with independent consciousness can chew to stimulate the production of saliva. In multiple ways, sufficient saliva is guaranteed to be produced, and the difficulty of collecting saliva is reduced. After the saliva is collected, a part of it flows into the arc-shaped liquid collection tray along the corners of the mouth, and enters the collection head through the overflow hole at the arc-shaped liquid collection tray and flows into the collection tube. The negative pressure suction device connected to the connecting piece can generate a negative pressure suction force in the collection tube, so that another part of the saliva is sucked into the collection head through the collection hole on the surface of the collection head, thereby realizing the collection of saliva; after collection, it enters the collection tube and can be discharged into other storage units by opening the discharge control valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the use scenario of the present invention;

[0026] Figure 2 It is a schematic diagram of the overall structure of the present invention;

[0027] Figure 3 It is a schematic diagram of the structure of the collection mask in the present invention;

[0028] Figure 4 This is a front view of the collection head in the present invention;

[0029] Figure 5 It is a main cross-sectional view of the collection head in the present invention;

[0030] Figure 6 It is a schematic diagram of the structure of the collection tube in the present invention; Figure 7 It is a schematic structural diagram of another embodiment of the collection tube in the present invention. Figure numerals: 1. Collection head; 2. Collection tube; 3. Collection hole; 4. Arc-shaped liquid collection tray; 5. Overflow hole; 6. Connector; 7. Drain port; 8. Drain control valve; 9. Inner lining ring; 10. Vibration motor; 11. Protective film; 12. Scale; 13. Press airbag; 14. One-way valve. DETAILED DESCRIPTION

[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the present invention will be briefly introduced below in combination with the drawings and the description of the embodiments or the prior art. Obviously, the following description of the structure of the drawings is only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention.

[0032] Example:

[0033] like Figure 1-Figure 4 As shown, this embodiment provides a saliva collection device, including a collection head 1 and a collection tube 2, the collection tube 2 is detachably connected to the collection head 1, the collection head 1 is hollow inside and has a flexible spherical structure, a plurality of collection holes 3 are provided on the collection head 1, the surface of the collection ball is coated with an edible sour stimulating liquid, an arc-shaped liquid collecting tray 4 is provided near the connection of the collection head 1 and the collection head 1 is located on the inner side of the arc-shaped liquid collecting tray 4, a plurality of overflow holes 5 are provided at the connection between the collection head 1 and the arc-shaped liquid collecting tray 4, a connecting piece 6 is provided on the side of the collection tube 2, the connecting piece 6 is connected to a negative pressure suction device, a liquid discharge port 7 is provided at the lower end of the collection tube 2, and a liquid discharge control valve 8 is provided at the liquid discharge port 7.

[0034] The working process and principle of the above structure are as follows:

[0035] When collecting saliva, the collection head 1 is inserted into the patient's mouth, and the arc-shaped liquid collection tray 4 is close to the corners of the patient's mouth and chin. The spherical structure of the collection head 1 can support a certain space in the mouth of the unconscious patient without damaging the patient's mouth, so that the patient can automatically secrete saliva. At the same time, the sour stimulating liquid on the surface of the collection head 1 can further stimulate the patient to produce saliva. The collection head 1 is made of a flexible material, and some patients with independent consciousness can chew to stimulate the production of saliva. In various ways, it is ensured that a sufficient amount of saliva is produced. At the same time, the difficulty of collecting saliva is reduced. After the saliva is collected, a part of it flows into the arc-shaped liquid collection tray 4 along the corners of the mouth, and enters the interior of the collection head 1 through the overflow hole 5 at the arc-shaped liquid collection tray 4 and flows into the collection tube 2. The negative pressure suction device connected to the connecting piece 6 can generate a negative pressure suction force in the collection tube 2, so that another part of the saliva is sucked into the collection head 1 through the collection hole 3 on the surface of the collection head 1, thereby realizing the collection of saliva; after collection, it enters the collection tube 2 and can be discharged into other storage units by opening the discharge control valve 8.

[0036] In another embodiment of the present invention, Figure 1-Figure 4 As shown, the collecting tube 2 is in an L-shaped structure, an external thread is provided at the opening of the collecting tube 2, an internal thread is provided at the connection of the collecting head 1, and the collecting tube 2 is connected to the collecting head 1 through threads.

[0037] The cooperation of the external thread and the internal thread facilitates the disassembly and assembly of the collection tube 2 and the collection head 1, and the L-shaped structure of the collection tube 2 facilitates the collection tube 2 to remain in a horizontal state rather than an inverted state after the collection head 1 is placed in the patient's mouth.

[0038] In another embodiment of the present invention, Figure 3 As shown, an inner liner 9 is provided at the connection of the collection head 1 , and the inner liner 9 is integrally formed with the inner side surface of the collection head 1 . A gap is left between the inner liner 9 and the internal thread, and the thickness of the gap is greater than the wall thickness of the collection tube 2 .

[0039] The inner liner ring 9 is provided to facilitate sealing, so that saliva flows directly into the collection tube 2 without leakage, and at the same time plays a limiting role for the threaded installation of the collection tube 2.

[0040] In another embodiment of the present invention, Figure 3 As shown, a vibration motor 10 is provided in the collection head 1, and a protective film 11 is coated on the outside of the vibration motor 10. The vibration motor 10 is a small motor, which is operated by a built-in battery. A control switch is provided on the collection head 1, and the control switch is electrically connected to the vibration motor 10.

[0041] The vibration motor 10 is provided to vibrate inside the collection head 1 to stimulate saliva secretion, and the protection film 11 is provided to prevent saliva from being stained on the vibration motor 10 .

[0042] In another embodiment of the present invention, Figure 1-Figure 4 As shown, the collection tube 2 is a transparent tube, and a scale 12 is arranged on the side of the collection tube 2.

[0043] The scale 12 is used to display the amount of saliva collected.

[0044] In another embodiment of the present invention, Figure 5 As shown, the negative pressure suction device is a pressing airbag 13, both ends of the pressing airbag 13 are provided with a one-way valve 14, the connecting piece 6 is a threaded connection port, and the pressing airbag 13 is threadedly connected to the connecting piece 6 through the one-way valve 14 at one end.

[0045] The pressing airbag 13 is provided for use when there is no automatic negative pressure suction mechanism. Negative pressure suction can be performed manually. The one-way valve 14 cooperates with the pressing airbag 13 to play a one-way negative pressure suction role. The connecting piece 6 is used to connect the pressing airbag 13.

[0046] In another embodiment of the present invention, the negative pressure suction device is a ward medical negative pressure suction interface, which is connected to a hospital negative pressure aspirator, and the connector 6 is a quick sealing interface.

[0047] Through the medical negative pressure suction interface in the ward, negative pressure suction force can be automatically generated, and the saliva collection effect is stronger. Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A saliva collection device, characterized in that: The utility model comprises a collection mask, a collection head and a collection tube, wherein the collection tube is detachably connected to the collection head, the collection head is hollow inside and presents a flexible spherical structure, a plurality of collection holes are provided on the collection head, the surface of the collection ball is coated with an edible sour stimulating liquid, an arc-shaped liquid collecting tray is arranged near the connection position of the collection head and the collection head is located on the inner side of the arc-shaped liquid collecting tray, a plurality of overflow holes are arranged at the connection position between the collection head and the arc-shaped liquid collecting tray, a connecting device is arranged on the side of the collection tube, the connecting piece is connected to a negative pressure suction device, a liquid discharge port is arranged at the lower end of the collection tube, and a liquid discharge control valve is arranged at the liquid discharge port; the collection head is arranged at a position corresponding to the mouth of the collection mask and is located on the inner side of the collection mask, ear hook holes are arranged at both ends of the collection mask, and a plurality of vibration balls are arranged at positions corresponding to the sublingual gland, the parotid gland and the submandibular gland on the inner side of the collection mask.

2. The saliva collection device according to claim 1, characterized in that: The collection tube is in an L-shaped structure, an external thread is arranged at the opening of the collection tube, an internal thread is arranged at the connection of the collection head, and the collection tube is connected to the collection head through threads.

3. The saliva collection device according to claim 2, characterized in that: An inner lining ring is provided at the connection of the collection head, and the inner lining ring is integrally formed with the inner side surface of the collection head. A gap is left between the inner lining ring and the internal thread, and the thickness of the gap is greater than the wall thickness of the collection tube.

4. The saliva collection device according to claim 1, characterized in that: A vibration motor is arranged inside the collection head, and a protective film is coated on the outside of the vibration motor.

5. The saliva collection device according to claim 1, characterized in that: The collection tube is a transparent tube, and a scale is arranged on the side of the collection tube.

6. The saliva collection device according to claim 1, characterized in that: The negative pressure suction device is a pressing airbag, both ends of which are provided with one-way valves, and the connecting piece is a threaded connection port, and the pressing airbag is threadedly connected to the connecting piece through the one-way valve at one end.

7. The saliva collection device according to claim 1, characterized in that: The negative pressure suction device is a ward medical negative pressure suction interface, which is connected to a hospital negative pressure suction device, and the connecting piece is a quick sealing interface.

8. The saliva collection device according to claim 1, characterized in that: A vibration motor is arranged inside the vibration ball, a power switch and a battery are arranged outside the collection mask, and the power switch is connected to each vibration motor through a power line.

9. The saliva collection device according to claim 1, characterized in that: The two ends of the collection mask are respectively provided with a first connecting belt and a second connecting belt at positions corresponding to the back neck, and the first connecting belt and the second connecting belt are detachably connected.

Citation Information

Patent Citations

  • Animal saliva collecting device

    CN104546017A

  • Saliva collector

    CN116650028A

  • Negative-pressure rapid collector for children saliva

    CN220833067U

  • Salivary secretion accelerating instrument

    JP2013210204A

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