CN213156047U - Hand-held type pharynx swab sampling device - Google Patents

Abstract

The utility model relates to a pharynx swab sampling device, in particular to a hand-held pharynx swab sampling device, wherein the near end of a collecting part is arranged at the far end of a supporting sleeve, the far end of a transmission rod passes through the supporting sleeve and is connected with the far end of the collecting part, and the collecting part is provided with a plurality of grooves; the fixture block can be arranged in the shell in a reciprocating way along the axial direction of the throat swab, and a liftable baffle B is arranged in the fixture block; one end of the key A is connected with the stop block B, the other end of the key A is abutted against the stop block A positioned below, the near ends of the support sleeve and the transmission rod are inserted through the insertion holes formed in the shell, the near end of the support sleeve is clamped with the stop block A, and the near end of the transmission rod penetrates through the key A and is clamped on the stop block B; the two ends of the key B are respectively positioned inside and outside the shell, the key B moves in a reciprocating mode relative to the shell, the fixture block is pushed to move in the moving process, the transmission rod is pulled through the fixture block, and deformation of the collecting part is achieved. The utility model discloses increased collection area and sampling cell number, improved the accuracy that the pharynx swab detected.

Description

Hand-held type pharynx swab sampling device

Technical Field

The utility model relates to a pharynx swab sampling device, specifically speaking are hand-held type pharynx swab sampling device.

Background

The throat swab detection is a medical detection method, and the method adopts a medical cotton swab to dip a small amount of secretion from the throat of a human body, inoculates the secretion in a special culture dish, and then places the culture dish in a device capable of controlling the temperature for culture. The condition of the patient and the infection of the oral mucosa and the pharynx can be known by the sampling method.

Since the occurrence of new crown epidemics, as a traditional detection method which has been applied for decades, pharyngeal swabs are the most important sampling method for diagnosing new crown virus infection at present. In large-scale collection, inaccurate collection of pharynx swab check detection specimens occurs due to incorrect sampling methods, mainly due to insufficient number of sampled cells.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned problem that traditional pharynx swab detected to exist, the utility model aims at providing a hand-held type pharynx swab sampling device. This hand-held type pharynx swab sampling device opens through the collection portion of driving handle control pharynx swab distal end, and area and sample cell number are gathered in the increase, have improved the accuracy that pharynx swab detected.

The purpose of the utility model is realized through the following technical scheme:

the utility model comprises a throat swab and a driving handle, wherein the throat swab comprises a collecting part, a supporting sleeve and a transmission rod, the near end of the collecting part is arranged at the far end of the supporting sleeve, the far end of the transmission rod passes through the supporting sleeve and is connected with the far end of the collecting part, and the collecting part is provided with a plurality of grooves; the driving handle comprises a shell, and a key A, a key B, a stop block A, a fixture block and a stop block B which are respectively accommodated in the shell, wherein the fixture block can be arranged in the shell in a reciprocating manner along the axial direction of the throat swab, and a liftable stop block B is arranged in the fixture block; one end of the key A is connected with the stop block B, the other end of the key A is abutted against the stop block A positioned below, the near ends of the support sleeve and the transmission rod are inserted through the insertion holes formed in the shell, the near end of the support sleeve is clamped with the stop block A, and the near end of the transmission rod penetrates through the key A and is clamped on the stop block B; one end of the key B is located outside the shell, the other end of the key B is located inside the shell, the key B moves in a reciprocating mode relative to the shell and pushes the fixture block to move in the moving process, and then the fixture block pulls the transmission rod, so that the collection portion deforms, and the collection area is increased.

Wherein: the collecting part is cylindrical before deformation, a plurality of grooves are uniformly formed in the outer surface of the collecting part along the circumferential direction, and the grooves are formed in the axial direction of the throat swab.

The outer surface of the near end of the support sleeve is provided with a clamping protrusion A, and the clamping protrusion A is clamped with the inner surface of the stop block A; and a clamping protrusion B is arranged on the outer surface of the near end of the transmission rod and is clamped with the inner surface of the stop block B.

The end face of the insertion hole is a round hole, and a square hole is formed in the bottom of the round hole downwards.

One end of the key A is exposed from the opening at the corresponding position on the shell for an operator to press, and the other end of the key A and the stop block A are both provided with clamping holes B; the stop block A is accommodated in the shell at the inner side of the insertion hole, and a spring B for clamping the support sleeve by the stop block A is arranged between the bottom of the stop block A and the shell; the near ends of the support sleeve and the transmission rod are in a pressing state at the key A and penetrate through the other end of the key A and the clamping hole B in the stop block A, and the near end of the support sleeve is clamped with the stop block A after the key A is loosened and the stop block A is clamped.

The key B is characterized in that one end of the key B, which is positioned outside the shell, is a pressing part, the other end of the key B, which is positioned inside the shell, is a clamping part, the middle part is arranged between the two ends, the middle part is provided with an inclined plane B, and a spring A is arranged between the clamping part and the shell; the fixture block is provided with an inclined plane A which is always abutted against the inclined plane B, and the inclined plane B pushes the inclined plane A and then pushes the fixture block backwards in the pressing process of the key B.

And a baffle plate arranged in the shell is arranged behind the clamping block, and a spring D for resetting the clamping block is arranged between the clamping block and the baffle plate.

The fixture block is provided with an accommodating space, a positioning column is arranged on the bottom surface in the accommodating space, and the top of the accommodating space is provided with a clamping hole A; the stop block B is positioned in the accommodating space, a spring C is arranged between the bottom of the stop block B and the accommodating space, and the spring C is sleeved on the positioning column.

The upper surface of the stop block B extends upwards to form a clamping protrusion C, and the upper surface of the clamping protrusion C is an arc-shaped groove; and a connecting column is arranged on the block B, penetrates out of a through hole formed in the fixture block and is connected with the key A.

The shell is divided into an upper part and a lower part which can be disassembled.

The utility model discloses an advantage does with positive effect:

the utility model can realize the insertion of the throat swab into the throat wall through the control of the driving handle, the front end acquisition part at the throat is changed from a contraction state to an expansion state, and then sampling is carried out; after sampling is finished, the front-end collecting part is contracted again and retreats from the oral cavity, so that the collecting area and the number of sampled cells are increased, and the detection accuracy of the throat swab is improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of the throat swab of the present invention;

FIG. 3 is an enlarged partial view of the proximal end of the pharyngeal swab of FIG. 2;

FIG. 4 is an enlarged partial view of the distal end of the pharyngeal swab of FIG. 2;

fig. 5 is a schematic perspective view of the driving handle of the present invention;

fig. 6 is a schematic view of the internal structure of the driving handle of the present invention;

FIG. 7 is a schematic perspective view of the spring D, the baffle plate and the guide rod of FIG. 6 with the spring D, the baffle plate and the guide rod removed;

FIG. 8 is a schematic perspective view of the housing, spring A and button B of FIG. 7 with the housing, spring A and button B removed;

fig. 9 is a schematic perspective view of the latch of fig. 8;

fig. 10 is a schematic perspective view of the fixture block of fig. 9 with a spring C and a stop B mounted therein;

FIG. 11 is a perspective view of the block B in FIG. 8;

fig. 12 is an end view of the housing insertion hole of the present invention;

FIG. 13 is a schematic perspective view of the button B in FIG. 6;

FIG. 14 is a schematic perspective view of the throat swab collecting section of the present invention in a state of collecting a specimen;

wherein: the throat swab is 1, the driving handle is 2, the collecting part is 3, the supporting sleeve is 4, the transmission rod is 5, the clamping protrusion A is 6, the clamping protrusion B is 7, the groove is 8, the shell is 9, the insertion hole is 10, the key A is 11, the key B is 12, the stop A is 13, the spring A is 14, the clamping block is 15, the inclined plane A is 16, the stop B is 17, the spring B is 18, the accommodating space is 19, the positioning column is 20, the clamping hole A is 21, the through hole is 22, the connecting column is 23, the clamping protrusion C is 24, the clamping protrusion C is 25, the arc-shaped groove is 26, the clamping hole B is 27, the clamping part is 28, the pressing part is 29, the middle part is 30, the inclined plane B, the spring C is 31, the spring D is 32, the baffle is 33, and the guide rod is 34.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1, the utility model comprises a throat swab 1 and a driving handle 2, wherein the near end of the throat swab 1 is inserted into the driving handle 2 and is clamped by the driving handle 2, and the far end of the throat swab 1 is a collecting end.

As shown in fig. 2 to 4, the pharyngeal swab 1 of the present embodiment includes a collecting part 3, a support sleeve 4 and a transmission rod 5, wherein a proximal end of the collecting part 3 is fixedly connected to a distal end of the support sleeve 4, and a distal end of the transmission rod 5 penetrates through the support sleeve 4 and is fixedly connected to a distal end of the collecting part 3; the collection portion 3 is cylindric before deforming, and a plurality of grooves 8 have evenly been seted up along the circumferencial direction in its surface, and every groove 8 is all seted up along the axial of pharynx swab 1. The transmission rod 5 is dragged to drive the far end part of the acquisition part 3 to retract, the shape of the acquisition part 3 is changed, and the cylindrical acquisition part is expanded into a lantern shape. The proximal outer surface of the support sleeve 4 of this embodiment is provided with a snap-in projection a6, the proximal outer surface of the transmission rod 5 is provided with a snap-in projection B7,

as shown in fig. 5 to 8, the driving handle 2 of the present embodiment includes a housing 9, and a button a11, a button B12, a stopper a13, a spring a14, a latch 15, a stopper B17, a spring B18, a spring C31, and a spring D32 respectively accommodated in the housing 9, wherein the housing 9 of the present embodiment is divided into an upper portion and a lower portion which are detachable for easy assembly and disassembly; the fixture block 15 can be arranged in the shell 9 in a reciprocating way along the axial direction of the throat swab 1, and a liftable stopper B17 is arranged in the fixture block 15; one end of the button A11 is connected with the stop B17, the other end of the button A11 is abutted against the stop A13 positioned below, the near ends of the support sleeve 4 and the transmission rod 5 are inserted through the insertion hole 10 formed in the shell 9, the clamping protrusion A6 on the outer surface of the near end of the support sleeve 4 is clamped with the inner surface of the stop A13, and the clamping protrusion B7 on the outer surface of the near end of the transmission rod 5 penetrates through the button A11 and is clamped with the inner surface of the stop B17. One end of the button B12 is located outside the shell 9, the other end is located inside the shell 9, the button B12 moves in a reciprocating mode relative to the shell 9 and pushes the fixture block 15 to move in the moving process, the transmission rod 5 is pulled through the fixture block 15, deformation of the collecting part 3 is achieved, and the collecting area is increased.

As shown in fig. 12, the end surface of the insertion hole 10 of the present embodiment is a circular hole, and a square hole is provided downward at the bottom of the circular hole. The support sleeve 4 and the transmission rod 5 are inserted through the round holes, and the clamping protrusion A6 on the outer surface of the near end of the support sleeve 4 and the clamping protrusion B7 on the outer surface of the near end of the transmission rod are inserted through the square holes.

As shown in fig. 5 to 11 and 13, the keys a11 and B12 of the present embodiment are located at two sides between the latch 15 and the insertion hole 10, the baffle 33 installed in the housing 9 is disposed behind the latch 15, and the spring D32 for returning the latch 15 is disposed between the latch 15 and the baffle 33. A guide rod 34 is fixedly connected to the bottom of the housing 9, and the guide rod 34 is penetrated by the baffle 33 and the fixture block 15 respectively and plays a guiding role in the reciprocating movement process of the fixture block 15.

The fixture block 15 of the present embodiment is a cuboid, the fixture block 15 is provided with an accommodating space 19, a positioning column 20 is disposed on a bottom surface in the accommodating space 19, and a semicircular clamping hole a21 is disposed at a top of the accommodating space 19; the stopper B17 is located in the accommodating space 19, a spring C31 is disposed between the bottom of the stopper B17 and the accommodating space 19, the spring C31 is sleeved on the positioning post 20, and two ends of the spring C31 are respectively abutted against the stopper B17 and the bottom surface of the accommodating space 19. The dog B17 bottom of this embodiment is the cuboid shape, upwards extends, forms the protruding C24 of joint at the upper surface of cuboid one corner, and this protruding C24 of joint's upper surface is arc wall 25, and arc wall 25 forms a whole circle with the joint hole A21 of semicircle form for the centre gripping transfer line 5. The block B17 is provided with a connecting column 23, and the connecting column 23 passes through a through hole 22 formed in the block 15 and is connected with the button A11.

In the embodiment, one end of the key a11 is cylindrical and is exposed from the opening at the corresponding position on the housing 9 for the operator to press, and the connecting column 23 on the block B17 is fixedly connected with one end of the key a 11; the other end of the key A11 and the stop A13 are both provided with clamping holes B26. A block A13 is accommodated in the housing 9 inside the insertion hole 10, and a plurality of springs B18 for clamping the support sleeve 4 by the block A13 are arranged between the bottom of the block A13 and the housing 9; the near ends of the support sleeve 4 and the transmission rod 5 are penetrated through by the other end of the key A11 and a clamping hole B26 on a stop A13 when the key A11 is in a pressed state, and a clamping protrusion A6 on the near end outer surface of the support sleeve 4 is clamped with the inner surface of the stop A13 after the key A11 is released and the stop A13 is clamped.

In the present embodiment, one end of the key B12 located outside the casing 9 is the pressing portion 28, the other end located inside the casing 9 is the clamping portion 27, the middle portion 29 is located between the two ends, and a hole is formed in the casing 9 corresponding to the middle portion 29 of the key B12 for the middle portion 29 to pass through; the middle part 29 is provided with an inclined plane B30, the clamping part 27 is in a flat plate shape, the size of the clamping part is larger than that of an opening corresponding to the position of the middle part 29 on the shell 9, the key B12 is prevented from falling off, and a spring A14 is arranged between the upper surface of the clamping part 27 and the shell 9. The fixture block 15 is provided with an inclined plane A16 which is always abutted against the inclined plane B30, in the pressing process of the key B12, the spring A14 is compressed, the inclined plane B30 pushes the inclined plane A16, and then the fixture block 15 is pushed backwards.

The utility model discloses a theory of operation does:

before sampling, firstly pressing a key A11 on the driving handle 2, and pressing a stop A13 to overcome the elasticity of a spring B18 and simultaneously pressing a stop B17 to overcome the elasticity of a spring C31 through a key A11; inserting the throat swab 1 from an insertion hole 10 at the front end of a shell 9, inserting the support sleeve 4 and the transmission rod 5 from a circular hole part of the insertion hole 10, inserting a clamping protrusion A on the outer surface of the near end of the support sleeve 4 and a clamping protrusion B7 on the outer surface of the near end of the transmission rod 5 from a square hole part of the insertion hole 10, and then penetrating through a clamping hole B26 at the other end of a key A11 and a clamping hole B26 of a stop A13; the near end of the transmission rod 5 is exposed out of the near end of the support sleeve 4, and the near end of the transmission rod 5 is inserted into the fixture block 15 through the fixture hole A21; then, the button A11 is released, the elastic force of the spring B18 enables the stopper A13 to clamp the support sleeve 4, the clamping protrusion A6 of the outer surface of the near end of the support sleeve 4 is abutted against the inner surface of the stopper A13, the elastic force of the spring C31 enables the stopper B17 to clamp the transmission rod 5, and the clamping protrusion B7 of the outer surface of the near end of the transmission rod 5 is abutted against the inner surface of the stopper B17. After the throat swab 1 is clamped by the driving handle 2, the driving handle 2 is held, the throat swab 1 is inserted into the throat wall of a patient, the button B12 is pressed, the button B12 overcomes the elastic force of the spring A14 to move towards the inside of the shell 9, the inclined plane B30 on the middle part 29 pushes the inclined plane A16 in the moving process, the fixture block 15 further overcomes the elastic force of the spring D32 to move backwards, the fixture block 15 drags the transmission rod 5 of the throat swab 1, the acquisition part 3 is deformed (as shown in figure 14), and then the sampling is rotated by matching with a hand; after sampling, the button B12 is released, the button B12 is reset under the action of the spring A14, and the latch 15 is reset under the action of the spring D32. The throat swab 1 is taken out from the mouth of the patient, put into a test tube, and then the throat swab 1 is broken off in the test tube. Then, the button A11 is pressed again to extract the rest throat swab 1 for disposal as medical waste, and the next throat swab 1 can be replaced after sterilization for further use. After the button A11 is released, the stopper B17 and the button A11 are reset under the action of the spring C31, and the stopper A13 is reset under the action of the spring B18.

Claims (10)

1. A hand-held pharyngeal swab sampling device, characterized in that: the throat swab (1) comprises a throat swab (1) and a driving handle (2), wherein the throat swab (1) comprises a collecting part (3), a supporting sleeve (4) and a transmission rod (5), the near end of the collecting part (3) is installed at the far end of the supporting sleeve (4), the far end of the transmission rod (5) penetrates through the supporting sleeve (4) and is connected with the far end of the collecting part (3), and a plurality of grooves (8) are formed in the collecting part (3); the driving handle (2) comprises a shell (9), and a key A (11), a key B (12), a stop block A (13), a fixture block (15) and a stop block B (17) which are respectively contained in the shell (9), wherein the fixture block (15) can be arranged in the shell (9) in a reciprocating manner along the axial direction of the throat swab (1), and the fixture block (15) is internally provided with the stop block B (17) which can be lifted; one end of the key A (11) is connected with the stop block B (17), the other end of the key A (11) is abutted against the stop block A (13) positioned below, the near ends of the support sleeve (4) and the transmission rod (5) are inserted through the insertion hole (10) formed in the shell (9), the near end of the support sleeve (4) is clamped with the stop block A (13), and the near end of the transmission rod (5) penetrates through the key A (11) and is clamped on the stop block B (17); one end of the key B (12) is located outside the shell (9), the other end of the key B (12) is located inside the shell (9), the key B (12) moves in a reciprocating mode relative to the shell (9) and pushes the fixture block (15) to move in the moving process, and then the transmission rod (5) is pulled through the fixture block (15), so that the collection part (3) deforms, and the collection area is increased.

2. The handheld pharyngeal swab sampling device of claim 1, wherein: the collecting part (3) is cylindrical before deformation, a plurality of grooves (8) are uniformly formed in the outer surface of the collecting part along the circumferential direction, and the grooves (8) are formed in the axial direction of the throat swab (1).

3. The handheld pharyngeal swab sampling device of claim 1, wherein: the outer surface of the near end of the support sleeve (4) is provided with a clamping protrusion A (6), and the clamping protrusion A (6) is clamped with the inner surface of the stop block A (13); the outer surface of the near end of the transmission rod (5) is provided with a clamping protrusion B (7), and the clamping protrusion B (7) is clamped with the inner surface of the stop block B (17).

4. The handheld pharyngeal swab sampling device of claim 1, wherein: the end face of the insertion hole (10) is a round hole, and a square hole is formed downwards at the bottom of the round hole.

5. The handheld pharyngeal swab sampling device of claim 1, wherein: one end of the key A (11) is exposed from the opening at the corresponding position on the shell (9) for an operator to press, and the other end of the key A (11) and the stop block A (13) are both provided with clamping holes B (26); the stop block A (13) is accommodated in the shell (9) at the inner side of the insertion hole (10), and a spring B (18) for clamping the support sleeve (4) by the stop block A (13) is arranged between the bottom of the stop block A (13) and the shell (9); the near ends of the supporting sleeve (4) and the transmission rod (5) are in a pressing state at the key A (11) and are penetrated through by the other end of the key A (11) and the clamping hole B (26) on the stop block A (13), and the near end of the supporting sleeve (4) is clamped with the stop block A (13) after the key A (11) is loosened and the stop block A (13) is clamped.

6. The handheld pharyngeal swab sampling device of claim 1, wherein: one end of the key B (12) positioned outside the shell (9) is a pressing part (28), the other end positioned inside the shell (9) is a clamping part (27), a middle part (29) is arranged between the two ends, the middle part (29) is provided with an inclined plane B (30), and a spring A (14) is arranged between the clamping part (27) and the shell (9); the fixture block (15) is provided with an inclined surface A (16) which is always abutted to the inclined surface B (30), and the inclined surface B (30) pushes the inclined surface A (16) and then pushes the fixture block (15) backwards in the pressing process of the key B (12).

7. The handheld pharyngeal swab sampling device of claim 1, wherein: a baffle plate (33) installed in the shell (9) is arranged behind the clamping block (15), and a spring D (32) for resetting the clamping block (15) is arranged between the clamping block (15) and the baffle plate (33).

8. The handheld pharyngeal swab sampling device of claim 1, wherein: the fixture block (15) is provided with an accommodating space (19), a positioning column (20) is arranged on the bottom surface in the accommodating space (19), and the top of the accommodating space (19) is provided with a clamping hole A (21); the check block B (17) is located in the accommodating space (19), a spring C (31) is arranged between the bottom of the check block B (17) and the accommodating space (19), and the positioning column (20) is sleeved with the spring C (31).

9. The handheld pharyngeal swab sampling device of claim 1, wherein: the upper surface of the stop block B (17) extends upwards to form a clamping protrusion C (24), and the upper surface of the clamping protrusion C (24) is an arc-shaped groove (25); a connecting column (23) is arranged on the block B (17), and the connecting column (23) penetrates out of a through hole (22) formed in the fixture block (15) and is connected with the key A (11).

10. The handheld pharyngeal swab sampling device of claim 1, wherein: the shell (9) is divided into an upper part and a lower part which are detachable.

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