Saliva specimen collection device

Abstract

This utility model discloses a saliva specimen collection device, including a collector and a collection tube. The side wall of the collector protrudes outward to form a collection chamber. The collector is provided with a saliva discharge port, which is equipped with a piston cap. A flow guide groove is provided inside the collector, and the saliva discharge port communicates with the flow guide groove, which in turn communicates with the collection chamber. The bottom surface of the flow guide groove is a flow guide slope, which gradually slopes downward from the saliva discharge port to the collection chamber. A puncture needle is installed in the collection chamber, with its lower end located at the bottom of the collection chamber. The collection tube has a plunger, and the upper end of the puncture needle is inserted into the plunger, with the upper end of the puncture needle located at the upper end of the inside of the collection tube. In this utility model, saliva is discharged from the saliva discharge port into the flow guide groove and then enters the collection chamber. By squeezing the squeeze ball, the saliva in the collection chamber is forced from the puncture needle into the collection tube, thus facilitating saliva collection.

Description

Technical Field

[0001] This utility model belongs to the field of medical device technology, and in particular relates to a saliva specimen collection device. Background Technology

[0002] Saliva is a complex mixture containing not only various proteins, but also DNA, RNA, fatty acids, and various microorganisms. With societal progress and rising living standards, people have increasingly higher demands for medical examinations, making non-invasive, convenient, and rapid diagnostic methods increasingly popular. Among these, saliva testing has garnered widespread attention from researchers due to its greater timeliness compared to blood tests and its higher accuracy compared to urine tests.

[0003] When collecting saliva, the patient usually holds the saliva collection tube and spits the saliva secreted in their mouth into the tube. Because the diameter of the saliva collection tube is relatively small, when the patient spits saliva into the tube, some saliva may splash to the outside if the patient is not careful, resulting in insufficient saliva collection or contamination. Utility Model Content

[0004] The main technical problem solved by this utility model is to provide a saliva specimen collection device in which saliva is discharged from the discharge port into the guide groove and then enters the collection chamber. By squeezing the squeezing ball, the saliva in the collection chamber is forced to enter the collection tube through the puncture needle, thereby facilitating the collection of saliva.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a saliva specimen collection device, including a collector and a collection tube, wherein the side wall of the collector protrudes outward to form a collection cavity, the collector is provided with a saliva discharge port, the saliva discharge port is provided with a piston cap, the collector is provided with a flow guide groove inside, the saliva discharge port is connected to the flow guide groove, and the flow guide groove is connected to the collection cavity;

[0006] The bottom surface of the guide channel is a guide slope, and the guide slope gradually slopes downward from the saliva outlet to the collection chamber. The guide slope guides the saliva in the guide channel to flow into the collection chamber.

[0007] The collection chamber is equipped with a puncture needle tube, the lower end of which is located at the bottom of the collection chamber. The collection tube has a plunger, the upper end of which is inserted into the plunger and is located at the upper end of the inside of the collection tube.

[0008] The collector is equipped with a connection port, which is connected to a connecting tube. The connecting tube is connected to a squeezing ball. Saliva is discharged from the discharge port into the guide groove and then enters the collection chamber. By squeezing the squeezing ball, the saliva in the collection chamber is forced to enter the collection tube from the puncture needle, thus facilitating the collection of saliva.

[0009] Furthermore, the collection chamber is a funnel-shaped structure with a low center and high edges.

[0010] Furthermore, a limiting strip is provided above the collection chamber, and the collection tube is located between the limiting strip and the side wall of the collector. Both the limiting strip and the side wall of the collector are provided with arc-shaped grooves that match the collection tube, thereby facilitating the guidance of the collection tube so that the puncture needle can be inserted into the collection tube and positioned.

[0011] Furthermore, a pick-and-place gap is provided between the limiting strip and the side wall of the collector.

[0012] Furthermore, the upper end of the arc-shaped groove is provided with a guide surface to facilitate the insertion of the collection tube between the limiting strip and the collector.

[0013] Furthermore, the collector is a transparent collector, the collection chamber is equipped with marking lines, and the collection tube is a transparent collection tube.

[0014] Furthermore, the lower surface of the piston cover has a sealing ring and several snaps. The sealing ring is located between the piston cover and the collector. The snaps have protrusions. When the piston cover is installed on the discharge port, the protrusions are engaged below the discharge port.

[0015] Furthermore, the extruded ball is a hollow extruded ball.

[0016] The beneficial effects of this utility model are at least as follows:

[0017] This utility model includes a collector and a collection tube. The side wall of the collector protrudes outward to form a collection chamber. The collector is provided with a spitting port. A puncture needle is installed in the collection chamber. The lower end of the puncture needle is located at the bottom of the collection chamber. The collection tube has a plunger. The upper end of the puncture needle is inserted into the plunger and is located at the upper end of the inside of the collection tube. Saliva is spit into the guide groove from the spitting port and then enters the collection chamber. By squeezing the squeezing ball, the saliva in the collection chamber is made to enter the collection tube from the puncture needle, thereby facilitating the collection of saliva.

[0018] The bottom surface of the guide channel of this utility model is a guide slope, and the guide slope gradually slopes downward from the saliva outlet to the collection chamber. The guide slope guides the saliva in the guide channel to flow into the collection chamber.

[0019] The present invention has a limiting strip above the collection chamber, and the collection tube is located between the limiting strip and the side wall of the collector. Both the limiting strip and the side wall of the collector are provided with arc-shaped grooves that match the collection tube, so as to facilitate the guidance of the collection tube so that the puncture needle can be inserted into the collection tube and positioned. Attached Figure Description

[0020] Figure 1 This is a cross-sectional view of the structural schematic diagram of this utility model;

[0021] Figure 2 This is the utility model Figure 1 A magnified view of point A;

[0022] Figure 3 This is a schematic diagram of the data collector of this utility model;

[0023] Figure 4 This is the utility model Figure 3 A magnified view of point B;

[0024] Figure 5 This is a schematic diagram of the structure of this utility model;

[0025] The parts in the attached diagram are labeled as follows:

[0026] 1. Collector; 11. Discharge port; 12. Guide channel; 121. Guide slope; 13. Connection port; 2. Collection tube; 21. Plunger; 3. Collection chamber; 31. Limiting strip; 32. Marking line; 4. Piston cover; 41. Sealing ring; 42. Buckle; 421. Snap protrusion; 5. Puncture needle; 61. Connecting tube; 62. Squeezing ball; 7. Arc groove; 8. Pick-up and drop gap; 9. Guide surface. Detailed Implementation

[0027] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the scope of protection of the present invention.

[0028] Example: A saliva sample collection device, such as Figure 1 As shown, it includes a collector 1 and a collection tube 2. The side wall of the collector 1 protrudes outward to form a collection cavity 3, as shown. Figure 3 As shown, the collector 1 is provided with a liquid discharge port 11, the liquid discharge port 11 is provided with a piston cover 4, the collector 1 is provided with a flow guide 12 inside, the liquid discharge port 11 is connected to the flow guide 12, and the flow guide 12 is connected to the collection chamber 3.

[0029] In this embodiment, the cross-section of the saliva outlet is larger than the cross-section of the collection tube, thereby facilitating the collection of saliva.

[0030] The bottom surface of the guide channel 12 is a guide slope 121, and the guide slope 121 gradually slopes downward from the discharge port 11 to the collection chamber 3.

[0031] The collection chamber 3 is equipped with a puncture needle tube 5, the lower end of which is located at the bottom of the collection chamber 3. The collection tube 2 has a plunger 21, the upper end of which is inserted into the plunger 21 and the upper end of which is located at the upper end of the inside of the collection tube 2.

[0032] like Figure 5 As shown, the collector 1 is provided with a connection port 13, which is connected to a connecting pipe 61, and the connecting pipe 61 is connected to a compression ball 62.

[0033] The collecting chamber 3 is a funnel-shaped structure with a low center and high edges.

[0034] like Figure 4 As shown, a limiting strip 31 is provided above the collection chamber 3, and the collection tube 2 is located between the limiting strip 31 and the side wall of the collector 1. Both the limiting strip 31 and the side wall of the collector 1 are provided with arc-shaped grooves 7 that match the collection tube 2.

[0035] A pick-and-place gap 8 is provided between the limiting strip 31 and the side wall of the collector 1 to facilitate the retrieval of the puncture needle.

[0036] The upper end of the arc-shaped groove is provided with a guide surface 9 so that the collection tube 2 can be inserted between the limiting strip 31 and the collector 1.

[0037] The collector 1 is a transparent collector 1, the collection cavity 3 is provided with a marking line 32, and the collection tube 2 is a transparent collection tube 2.

[0038] like Figure 2 As shown, the lower surface of the piston cover 4 has a sealing ring 41 and several buckles 42. The sealing ring 41 is located between the piston cover 4 and the collector 1. The buckles 42 have a locking protrusion 421. When the piston cover 4 is installed on the discharge port 11, the locking protrusion 421 is locked below the discharge port 11.

[0039] The extrusion ball 62 is a hollow extrusion ball 62.

[0040] The working principle of this utility model is as follows: Saliva is discharged from the discharge port into the guide groove and then enters the collection chamber. The piston cover is closed, so that the locking protrusion is locked below the discharge port and sealed by the sealing ring. The puncture needle is inserted into the collection tube. By squeezing the squeezing ball, the saliva in the collection chamber is forced to enter the collection tube from the puncture needle. After releasing the squeezing ball, since the saliva in the collection tube is located at the bottom of the collection tube, it will not be discharged from the collection tube. However, the air in the upper part of the collection tube will be discharged from the puncture needle and enter the collection chamber, thus facilitating the collection of saliva.

[0041] The above are merely embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A saliva sample collection device, characterized in that: Includes a collector (1) and a collection tube (2). The side wall of the collector protrudes outward to form a collection chamber (3). The collector is provided with a discharge port (11). The discharge port is provided with a piston cover (4). The collector is provided with a guide groove (12). The discharge port is connected to the guide groove. The guide groove is connected to the collection chamber. The bottom surface of the guide channel is a guide slope (121), and the guide slope gradually slopes downward from the discharge port to the collection chamber; The collection chamber is equipped with a puncture needle tube (5), the lower end of which is located at the bottom of the collection chamber. The collection tube has a plunger (21), the upper end of which is inserted into the plunger and the upper end of which is located at the upper end of the inside of the collection tube. The collector is provided with a connection port (13), which is connected to a connecting pipe (61), and the connecting pipe is connected to a squeezing ball (62).

2. The saliva sample collection device according to claim 1, characterized in that: The collection chamber is a funnel-shaped structure with a low center and high edges.

3. The saliva sample collection device according to claim 1, characterized in that: A limiting strip (31) is provided above the collection chamber, and the collection tube is located between the limiting strip and the side wall of the collector. Both the limiting strip and the side wall of the collector are provided with arc-shaped grooves (7) that match the collection tube.

4. The saliva sample collection device according to claim 3, characterized in that: A pick-and-place gap (8) is provided between the limiting strip and the side wall of the collector.

5. The saliva sample collection device according to claim 3, characterized in that: The upper end of the arc-shaped groove is provided with a guide surface (9) to facilitate the insertion of the collection tube between the limiting strip and the collector.

6. The saliva sample collection device according to claim 1, characterized in that: The collector is a transparent collector, the collection cavity is marked with a line (32), and the collection tube is a transparent collection tube.

7. The saliva sample collection device according to claim 1, characterized in that: The lower surface of the piston cover has a sealing ring (41) and several buckles (42). The sealing ring is located between the piston cover and the collector. The buckles have a locking protrusion (421). When the piston cover is installed on the discharge port, the locking protrusion is locked below the discharge port.

8. The saliva sample collection device according to claim 1, characterized in that: The extrusion ball is a hollow extrusion ball.

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