Animal nasal sampling device

Abstract

The present invention discloses an animal nasal sampling device, which belongs to the technical field of nasal fluid collection. The device comprises a hand-held rod, wherein the upper side of the hand-held rod is rotatably connected with a sampling rod, and the end of the sampling rod away from the hand-held rod is provided with a sampling assembly, wherein the sampling assembly comprises a connecting block, wherein an annular block is fixedly provided on the connecting block, and a sampling ball is rotatably connected with the middle part of the annular block, wherein the interior of the sampling ball is a hollow structure, and a plurality of through holes are penetrated through the outer wall of the sampling ball, and sampling cotton is arranged inside the through holes. By arranging the sampling cotton inside the sampling ball, the present invention can avoid the contact between the sampling cotton and other positions of the nasal cavity when the sampling ball is extended into the nasal cavity, thereby avoiding the influence of samples at other positions on the taken samples, and after the sampling ball is extended into the designated sampling position, the sampling cotton is extended from the through hole to sample the nasal cavity.

Description

Technical Field

[0001] The invention relates to the technical field of nasal fluid collection, and more specifically to an animal nasal cavity sampling device. Background Art

[0002] Nasal sampling can be used to detect pathogens such as respiratory infections, viruses, bacteria or fungi, which is very important for monitoring animal health, early diagnosis and disease control. In addition, nasal sampling can evaluate the effectiveness of local drug treatment, study the absorption and mechanism of action of drugs in the respiratory tract, and help staff evaluate the condition of the animal.

[0003] Among them, when sampling the animal's nasal cavity, sampling equipment is required to prevent sample contamination.

[0004] The existing sampling method is to insert a sterilized cotton swab into the nasal cavity of the animal, and then use the cotton swab to rotate on the inner wall of the animal's nasal cavity to stick to the sample inside the nasal cavity. However, since it is necessary to ensure that the sampling point is 2 to 5 centimeters inward from the nostril during sampling, the staff is likely to touch a position close to the nostril when inserting the cotton swab into the nasal cavity, resulting in samples occupying other positions on the cotton swab, resulting in differences in test results, which will affect the test results during testing. Therefore, the present invention provides an animal nasal sampling device. Summary of the invention

[0005] In view of the problems existing in the prior art, the object of the present invention is to provide an animal nasal cavity sampling device.

[0006] To solve the above problems, the present invention adopts the following technical solutions.

[0007] An animal nasal cavity sampling device comprises a hand-held rod, the upper side of which is rotatably connected to a sampling rod, and an end of the sampling rod away from the hand-held rod is provided with a sampling assembly extending into the nasal cavity for sampling;

[0008] The sampling assembly comprises a connecting block rotatably connected to the sampling rod, an annular block is fixedly mounted on the connecting block, a sampling ball is rotatably connected to the middle of the annular block, the sampling ball is hollow inside, and a plurality of through holes are formed through the outer wall of the sampling ball, and sampling cotton is arranged inside each of the through holes;

[0009] A piston cavity is provided inside the hand-held rod, a movable frame is slidably mounted on the upper side of the piston cavity, a first pull rope is fixedly mounted on the upper end of the movable frame, an end of the first pull rope away from the movable frame is fixedly connected to the lower side of the sampling rod, and a plurality of extrusion springs are also fixedly mounted on the upper end of the mobile frame, the upper end of the extrusion spring is fixedly connected to the upper end of the inner wall of the piston cavity, and the connection between the sampling rod and the hand-held rod is a spherical structure.

[0010] Furthermore, an airbag is fixedly installed inside the sampling ball, and the sampling cotton is bonded to the outside of the airbag.

[0011] Furthermore, an annular groove slidably connected to the annular block is formed on the outer wall of the sampling ball, and a gap exists between the annular groove and the annular block. The airbag is connected to the inside of the annular groove through a connecting tube. The inside of the annular block, the connecting block and the sampling rod are all hollow structures. A plurality of air inlet holes are formed on the lower side of the connection between the sampling rod and the hand-held rod, and the air inlet holes are connected to the inside of the piston cavity.

[0012] Furthermore, a piston plate is slidably installed on the lower side of the piston chamber, and a compression spring is fixedly installed on the lower end of the piston plate. The compression spring squeezes the piston plate, and the piston plate squeezes the air in the piston chamber. A plurality of contraction grooves are provided on the outer wall of the piston plate, and a clamping block is slidably installed inside the contraction groove. The clamping block is fixedly connected to the inner wall of the contraction groove through a reset spring. A clamping groove is provided on the lower inner wall of the piston chamber at a position corresponding to the clamping block, and the clamping block is engaged with the clamping groove. The upper end of the clamping groove on the side close to the inner wall of the piston chamber is in an inclined structure, and the upper end of the clamping block on the side away from the piston plate is also in an inclined structure.

[0013] Furthermore, a baffle is provided at the upper end of the hand-held rod, and a plurality of push rods are fixedly installed at the lower end of the baffle, the number of the push rods is the same as the number of the blocking blocks, the push rods are slidably installed inside the hand-held rod, and the end of the push rod away from the baffle is in extrusion contact with the inclined part of the blocking block.

[0014] Furthermore, a second pull rope is fixedly mounted on the lower end of the piston plate, and the second pull rope passes through the lower end of the piston cavity and extends to the outside thereof.

[0015] Furthermore, a rotating rod is rotatably installed inside the piston cavity, a threaded groove is provided on the outer wall of the rotating rod, a ball is embedded in a position of the piston plate corresponding to the threaded groove, the outer wall of the ball is in extrusion contact with the inner wall of the threaded groove, the upper end of the rotating rod is located inside the upper side of the hand-held rod, and a rubber wheel is fixedly installed on the upper end of the rotating rod, and the outer wall of the rubber wheel is in friction contact with the outer wall of the spherical part of the sampling rod.

[0016] Furthermore, a vertical groove is provided on the lower outer wall of the rotating rod, and the ball slides along the direction of the vertical groove, and the upper end of the vertical groove is connected with the lower end of the threaded groove.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The present invention arranges sampling cotton inside the sampling ball to prevent the sampling cotton from contacting other positions of the nasal cavity when the sampling ball is inserted into the nasal cavity, thereby preventing samples at other positions from affecting the extracted samples. After the sampling ball is inserted into the designated sampling position, the sampling cotton is extended from the through hole to sample the nasal cavity. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 It is a schematic diagram of the internal structure of the hand-held rod of the present invention;

[0021] Figure 3 It is a schematic diagram of the internal structure of the sampling ball of the present invention;

[0022] Figure 4 It is a schematic diagram of the partial structure of the sampling ball of the present invention;

[0023] Figure 5 It is a partial structural schematic diagram of the piston plate of the present invention;

[0024] Figure 6 It is a schematic diagram of the structure of the clamping block and the thread groove of the present invention;

[0025] Figure 7 It is a schematic diagram of the structure of the coil spring part of the present invention.

[0026] Description of the numbers in the figure:

[0027] 1. Hand-held rod; 101. Piston chamber; 102. Moving frame; 103. First pull rope; 104. Extrusion spring; 105. Piston plate; 106. Compression spring; 107. Contraction groove; 108. Block; 109. Return spring; 110. Slot; 111. Baffle; 112. Push rod; 113. Second pull rope; 114. Rotating rod; 115. Threaded groove; 116. Ball; 117. Rubber wheel; 118. Vertical groove;

[0028] 2. Sampling rod; 201. Air inlet;

[0029] 3. Sampling assembly; 301. Connecting block; 302. Ring block; 303. Sampling ball; 304. Through hole; 305. Sampling cotton; 306. Air bag; 307. Ring groove; 308. Connecting pipe. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making creative work are within the scope of protection of the present invention.

[0031] See also Figures 1 to 7, an animal nasal cavity sampling device, comprising a hand-held rod 1, a sampling rod 2 is rotatably connected to the upper side of the hand-held rod 1, and a sampling component 3 extending into the nasal cavity for sampling is installed at one end of the sampling rod 2 away from the hand-held rod 1;

[0032] The sampling assembly 3 includes a connecting block 301 rotatably connected to the sampling rod 2, an annular block 302 is fixedly mounted on the connecting block 301, a sampling ball 303 is rotatably connected to the middle of the annular block 302, the sampling ball 303 is hollow inside, and a plurality of through holes 304 are formed through the outer wall of the sampling ball 303, and sampling cotton 305 is arranged inside each of the through holes 304;

[0033] A piston chamber 101 is provided inside the hand-held rod 1, and a movable frame 102 is slidably installed on the upper side of the piston chamber 101. A first pull rope 103 is fixedly installed on the upper end of the movable frame 102. One end of the first pull rope 103 away from the movable frame 102 is fixedly connected to the lower side of the sampling rod 2, and a plurality of extrusion springs 104 are also fixedly installed on the upper end of the movable frame 102. The upper end of the extrusion spring 104 is fixedly connected to the upper end of the inner wall of the piston chamber 101. The connection between the sampling rod 2 and the hand-held rod 1 is a spherical structure.

[0034] By adopting the above technical solution, when sampling the animal's nasal cavity, the sampling rod 2 is inserted into the animal's nose. At this time, if the outer wall of the sampling ball 303 contacts the inner wall of the animal's nasal cavity and continues to push the device to move, the sampling ball 303 is subjected to the resistance of the inner wall of the nasal cavity and can squeeze the annular block 302, thereby squeezing the sampling rod 2 through the connecting block 301. At this time, the sampling rod 2 can rotate relative to the handheld rod 1, and the sampling rod 2 can pull the first pull rope 103 when rotating to move the mobile frame 102. After the mobile frame 102 moves, it can squeeze the squeezing spring 104. When the sampling ball 303 does not contact the inner wall of the nasal cavity, the squeezing spring 104 squeezes the mobile frame 102, so that the mobile frame 102 moves to the initial position. The movement of the mobile frame 102 at this time can pull the first pull rope 103, thereby pulling the spherical part of the sampling rod 2 through the first pull rope 103, so that the sampling rod 2 returns to its initial inclined state.

[0035] An airbag 306 is fixedly installed inside the sampling ball 303, and the sampling cotton 305 is bonded to the outside of the airbag 306. The outer wall of the sampling ball 303 is provided with an annular groove 307 that is slidably connected to the annular block 302, and there is a gap between the annular groove 307 and the annular block 302. The airbag 306 is connected to the inside of the annular groove 307 through a connecting pipe 308. The inside of the annular block 302, the connecting block 301, and the sampling rod 2 are all hollow structures, and a plurality of air inlet holes 201 are provided on the lower side of the connection between the sampling rod 2 and the hand-held rod 1, and the air inlet holes 201 are connected to the inside of the piston chamber 101;

[0036] A piston plate 105 is slidably installed on the lower side of the piston chamber 101, and a compression spring 106 is fixedly installed on the lower end of the piston plate 105. The compression spring 106 squeezes the piston plate 105, and the piston plate 105 squeezes the air in the piston chamber 101. A plurality of contraction grooves 107 are provided on the outer wall of the piston plate 105, and a clamping block 108 is slidably installed inside the contraction groove 107. The clamping block 108 is fixedly connected to the inner wall of the contraction groove 107 through a reset spring 109. A clamping groove 110 is provided at a position of the lower inner wall of the piston chamber 101 corresponding to the clamping block 108, and the clamping block 108 is engaged with the clamping groove 110. The upper end of the side of the clamping groove 110 close to the inner wall of the piston chamber 101 is in an inclined structure, and the upper end of the side of the clamping block 108 away from the piston plate 105 is also in an inclined structure;

[0037] A baffle 111 is provided at the upper end of the hand-held rod 1, and a plurality of push rods 112 are fixedly installed at the lower end of the baffle 111. The number of the push rods 112 is the same as the number of the blocking blocks 108. The push rods 112 are slidably installed inside the hand-held rod 1, and the end of the push rod 112 away from the baffle 111 is in compression contact with the inclined portion of the blocking block 108.

[0038] By adopting the above technical solution, after the sampling rod 2 is inserted into the animal's nasal cavity, the hand-held rod 1 is continued to be pushed to move. When the baffle 111 contacts the outer wall of the animal's nose, the hand-held rod 1 is pushed to make the hand push rod move relative to the baffle 111. When the baffle 111 moves relative to the hand push rod, it can drive the push rod 112 to move. After the push rod 112 moves, it can squeeze the inclined part on the block 108. At this time, under the decomposition force of the squeezing force, the block 108 can move into the contraction groove 107. After the block 108 moves a certain distance, the inclined part on the block 108 will correspond to the inclined part on the slot 110. At this time, under the compression spring 106 Under the action, the piston plate 105 can rise. After rising, the piston plate 105 can squeeze the air in the piston chamber 101, so that the air enters the sampling rod 2 through the air inlet hole 201. After that, the air enters the connecting block 301, the annular block 302, and the annular groove 307 in sequence through the sampling rod 2, and then enters the connecting pipe 308 through the gap between the annular block 302 and the annular groove, and finally enters the airbag 306. When the air is squeezed into the airbag 306, the airbag 306 can expand due to the pressure of the air. When the airbag 306 expands, it can push the sampling cotton 305 to move, so that the sampling cotton 305 extends out of the through hole 304.

[0039] A second pull rope 113 is fixedly mounted on the lower end of the piston plate 105, and the second pull rope 113 passes through the lower end of the piston cavity 101 and extends to the outside thereof;

[0040] A rotating rod 114 is rotatably installed inside the piston chamber 101, and a thread groove 115 is provided on the outer wall of the rotating rod 114. A ball 116 is embedded at a position corresponding to the thread groove 115 of the piston plate 105, and the outer wall of the ball 116 is in extrusion contact with the inner wall of the thread groove 115. The upper end of the rotating rod 114 is located inside the upper side of the hand-held rod 1, and a rubber wheel 117 is fixedly installed on the upper end of the rotating rod 114, and the outer wall of the rubber wheel 117 is in friction contact with the outer wall of the spherical part of the sampling rod 2.

[0041] The outer wall of the rotating rod 114 is also provided with two annular grooves, which are connected to the inside of the thread groove 115, and the inner wall of the annular groove close to the thread groove 115 is inclined;

[0042] A vertical groove 118 is further formed on the outer wall of the lower side of the rotating rod 114 . The ball 116 slides along the direction of the vertical groove 118 . The upper end of the vertical groove 118 is connected to the lower end of the thread groove 115 .

[0043] By adopting the above technical solution, during the rising process of the piston plate 105, the ball 116 first moves along the direction of the vertical groove 118. At this time, the ball 116 will not squeeze the inner wall of the vertical groove 118 to rotate the rotating rod 114. When the ball 116 continues to rise and enters the thread groove 115, it can squeeze the inner wall of the thread groove 115, so that the rotating rod 114 rotates under the decomposition force of the squeezing force. When the rotating rod 114 rotates, it can drive the rubber wheel 117 at its end to rotate. When the rubber wheel 117 rotates, it can rub against the spherical part of the sampling rod 2, so that the sampling rod 2 rotates. When the sampling rod 2 rotates, it can drive the airbag 306 and the sampling cotton 305 to rotate. At this time The sampling cotton 305 can slide on the inner wall of the animal's nasal cavity to take samples. When the sampling is completed, the second pull rope 113 is pulled to move the piston plate 105 to the initial position. At this time, the rotating rod 114 and the rubber wheel 117 rotate in opposite directions, so that the sampling rod 2 rotates to the initial position under the action of friction, and when the piston plate 105 moves to the initial position, the air in the airbag 306 will be sucked back into the piston cavity 101. When the pressure inside the airbag 306 decreases, the airbag 306 will shrink under its own toughness, thereby driving the sampling cotton 305 to be retracted into the through hole 304. When the piston plate 105 moves to the initial position, the staff pulls the handheld rod 1 to take the sampling rod 2 out of the animal's nasal cavity.

[0044] The above are only preferred specific implementations of the present invention; however, the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and improved concepts of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An animal nasal sampling device, comprising a handheld rod (1), characterized in that: The upper side of the hand-held rod (1) is rotatably connected to a sampling rod (2), and an end of the sampling rod (2) away from the hand-held rod (1) is provided with a sampling component (3) for extending into the nasal cavity for sampling; The sampling assembly (3) comprises a connecting block (301) rotatably connected to the sampling rod (2), an annular block (302) being fixedly mounted on the connecting block (301), a sampling ball (303) being rotatably connected to the middle of the annular block (302), the sampling ball (303) having a hollow structure inside, and a plurality of through holes (304) penetrating the outer wall of the sampling ball (303), wherein sampling cotton (305) is arranged inside each of the through holes (304); A piston cavity (101) is provided inside the hand-held rod (1), a movable frame (102) is slidably mounted on the upper side of the piston cavity (101), a first pull rope (103) is fixedly mounted on the upper end of the movable frame (102), an end of the first pull rope (103) away from the movable frame (102) is fixedly connected to the lower side of the sampling rod (2), and a plurality of extrusion springs (104) are also fixedly mounted on the upper end of the movable frame (102), the upper ends of the extrusion springs (104) are fixedly connected to the upper end of the inner wall of the piston cavity (101), and the connection between the sampling rod (2) and the hand-held rod (1) is a spherical structure; An air bag (306) is fixedly installed inside the sampling ball (303), and the sampling cotton (305) is bonded to the outside of the air bag (306); The outer wall of the sampling ball (303) is provided with an annular groove (307) which is slidably connected to the annular block (302), and a gap exists between the annular groove (307) and the annular block (302). The air bag (306) is connected to the inside of the annular groove (307) through a connecting pipe (308). The inside of the annular block (302), the connecting block (301) and the sampling rod (2) are all hollow structures. A plurality of air inlet holes (201) are provided on the lower side of the connection between the sampling rod (2) and the hand-held rod (1), and the air inlet holes (201) are connected to the inside of the piston chamber (101).

2. The animal nasal cavity sampling device according to claim 1, characterized in that: A piston plate (105) is slidably mounted on the lower side of the piston chamber (101), and a compression spring (106) is fixedly mounted on the lower end of the piston plate (105). The compression spring (106) compresses the piston plate (105), and the piston plate (105) compresses the air in the piston chamber (101). The outer wall of the piston plate (105) is provided with a plurality of contraction grooves (107), and a clamping block (108) is slidably mounted inside the contraction groove (107). The clamping block (108) is fixedly connected to the inner wall of the contraction groove (107) via a return spring (109); a clamping groove (110) is provided at a position of the lower inner wall of the piston chamber (101) corresponding to the clamping block (108); the clamping block (108) is engaged with the clamping groove (110); an upper end of the clamping groove (110) close to the inner wall of the piston chamber (101) is in an inclined structure, and an upper end of the clamping block (108) away from the piston plate (105) is also in an inclined structure.

3. The animal nasal cavity sampling device according to claim 2, characterized in that: A baffle (111) is provided at the upper end of the hand-held rod (1), and a plurality of push rods (112) are fixedly mounted at the lower end of the baffle (111), the number of the push rods (112) being the same as the number of the clamping blocks (108), the push rods (112) being slidably mounted inside the hand-held rod (1), and one end of the push rod (112) away from the baffle (111) is in press contact with an inclined portion of the clamping block (108).

4. The animal nasal cavity sampling device according to claim 3, characterized in that: A second pull rope (113) is fixedly mounted on the lower end of the piston plate (105), and the second pull rope (113) passes through the lower end of the piston cavity (101) and extends to the outside thereof.

5. The animal nasal cavity sampling device according to claim 4, characterized in that: A rotating rod (114) is rotatably mounted inside the piston chamber (101), a thread groove (115) is formed on the outer wall of the rotating rod (114), a ball (116) is embedded at a position of the piston plate (105) corresponding to the thread groove (115), the outer wall of the ball (116) is in compression contact with the inner wall of the thread groove (115), the upper end of the rotating rod (114) is located inside the upper side of the hand-held rod (1), and a rubber wheel (117) is fixedly mounted on the upper end of the rotating rod (114), the outer wall of the rubber wheel (117) is in friction contact with the outer wall of the spherical portion of the sampling rod (2).

6. The animal nasal cavity sampling device according to claim 5, characterized in that: A vertical groove (118) is also formed on the lower outer wall of the rotating rod (114), and the ball (116) slides along the direction of the vertical groove (118). The upper end of the vertical groove (118) is connected to the lower end of the threaded groove (115).

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