CN111714159B

CN111714159B - Protective pharyngeal swab sampling system and sampling method

Info

Publication number: CN111714159B
Application number: CN202010603483.XA
Authority: CN
Inventors: 李可; 郑永玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2023-05-09
Anticipated expiration: 2040-06-29
Also published as: CN111714159A

Abstract

The invention provides a protective throat swab sampling system, which relates to the technical field of medical appliances and comprises a transparent oronasal mask, a swab and a culture tube, wherein a sampling hole for the swab to pass through is formed in the oronasal mask, a flexible cover capable of sealing the sampling hole is sleeved on the swab, fixing belts are arranged on two sides of the sampling hole, an isolation ventilation part and a negative pressure suction part are arranged on the oronasal mask, and the negative pressure suction part is connected with a negative pressure generating device through a connecting tube. The culture tube comprises a tube body, a cutting cover fixed on the tube opening and a sealing cover connected to the cutting cover, wherein the cutting cover comprises a fixed cover and a movable cover, a cutting edge is arranged on one side, facing the fixed cover, of the movable cover, a cutting groove for embedding the cutting edge is formed in the fixed cover, one end, far away from the cutting edge, of the movable cover is connected with a pulling device arranged on the outer side of the side wall of the cutting cover, and a return spring is connected between the movable cover and the side wall of the cutting cover. Solves the problem that medical staff is easy to be infected in the throat swab sampling process in the prior art.

Description

Protective pharyngeal swab sampling system and sampling method

Technical Field

The invention relates to the technical field of medical instruments, in particular to a protective pharyngeal swab sampling system and a sampling method.

Background

The throat swab is an important examination method for examining throat diseases, and the conventional examination method is to order a patient to open the mouth and make an o-sound so as to expose the throat, press the tongue of a sampled person by using a tongue depressor, take out a sterile long cotton swab in the throat swab, rapidly wipe secretions of the palate arch and the pharynx and tonsil on two sides, insert the cotton swab into a culture tube, tighten, wash hands, record, and send a specimen together with a examination sheet in time.

Because the throat swab sampling process needs to be sounded by the mouth opening of the sampler, the sampler faces the face of the sampler, the spray from the respiratory tract can easily carry the bacterial or viral infection sampler, and especially under the serious epidemic situation caused by the spread of viruses through the spray, the use amount of the protective equipment of medical staff is large, materials are short, in order to know the condition of the sampler, the medical staff can only wear a mask to sample the throat swab, so that the probability of infection of the medical staff is increased, and psychological stress of the medical staff is increased. In view of the existing conditions of throat swab sampling, there is an urgent need to improve the protection of medical staff during throat swab sampling, prevent the medical staff from being infected, and simultaneously alleviate the psychological pressure of the medical staff collecting throat swabs.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a protective pharyngeal swab sampling system and a sampling method, which solve the problem that medical staff is easy to be infected in the pharyngeal swab sampling process in the prior art.

In order to achieve the above purpose, the invention adopts the following technical scheme:

the utility model provides a protection type throat swab sampling system, it includes transparent oronasal cover, swab, cultivates the pipe, is provided with the sample hole that supplies the swab to pass on the oronasal cover, has cup jointed the flexible lid that can seal on the sample hole on the swab, and the both sides of sample hole are provided with the fixed band, are provided with isolation ventilation part and negative pressure suction part on the oronasal cover, and negative pressure suction part passes through the connecting pipe and is connected with negative pressure generating device.

The culture tube comprises a tube body, a cutting cover fixed on the tube opening and a sealing cover connected to the cutting cover, wherein the cutting cover comprises a fixed cover and a movable cover, a cutting edge is arranged on one side, facing the fixed cover, of the movable cover, a cutting groove for embedding the cutting edge is formed in the fixed cover, one end, far away from the cutting edge, of the movable cover is connected with a pulling device arranged on the outer side of the side wall of the cutting cover, and a return spring is connected between the movable cover and the side wall of the cutting cover.

The beneficial effects of the invention are as follows: the nose and mouth cover can be covered on the nose and mouth of the person to be sampled, prevent to be sampled and carry germ or virus's droplet in the mouth of the person to directly spout on the person to be sampled, the swab of sampling enters into the throat portion of the person to be sampled through the sampling mouth on the nose and mouth cover, the sampling mouth is sealed to cover through the flexible lid that overlaps on the swab, the flexible lid pliability is less to the operation influence of swab, the swab still can be gone on according to the operation dynamics and the angle that the person to be sampled is familiar, can improve the efficiency and the accuracy of sampling, make the swab short with the time of being sampled the contact of person's throat portion, the uncomfortable sense of the person to be sampled has been reduced.

Simultaneously, be provided with on the oronasal mask and keep apart ventilative portion and negative pressure suction portion, outside air enters into inside the oronasal mask through keeping apart ventilative portion, guarantees to be breathed normally by the sampler, and negative pressure suction portion can in time take away the gas in the oronasal mask and handle to guarantee that can not remain in the oronasal mask and be had the foam by the sampler.

The two sides of the sampling hole are provided with the fixing belts, so that other fingers of the hand of the sampler operating the swab can pass through the fixing belts, the same hand can also control the mouth-nose mask to be abutted against the face of the sampler in the process of operating the swab, and the other hand is vacated to hold the rear neck of the sampler, so that the sampler is prevented from shrinking backwards during sampling; when the nose-mouth cover is taken off, the swab operated by the same hand and the nose-mouth cover can be taken off from the nose-mouth of a person to be sampled under the state that the relative position is not changed, so that a cotton ball stained with a bacterial sample is shielded by the nose-mouth cover between the cotton ball and the person to be sampled, then the swab is inserted into a culture tube, and the swab is directly cut off from the inner side of the nose-mouth cover by utilizing a cutting cover on the culture tube, so that the whole sampling whole process does not need to be contacted with the swab at the inner side of the nose-mouth cover, and the safety is greatly improved.

Drawings

Fig. 1 is a schematic diagram of the structure of a protected pharyngeal swab sampling system.

Fig. 2 is a cross-sectional view of the assembled structure of the oronasal mask and swab of fig. 1.

Fig. 3 is a left side view of the oronasal mask of fig. 2.

FIG. 4 is a front view of the culture tube of FIG. 1.

FIG. 5 is a right side view of the culture tube of FIG. 1.

Fig. 6 is a top view of the cut cover of fig. 5.

Wherein, 1, an oral-nasal mask; 101. a nose cap portion; 102. a flap part; 11. a sampling hole; 12. a fixing belt; 13. an isolated ventilation portion; 14. a negative pressure suction unit; 15. tongue depressor; 2. a swab; 21. a handle bar; 22. cotton balls; 3. a culture tube; 31. a tube body; 32. cutting the cover; 321. a fixed cover; 322. a movable cover; 323. a return spring; 33. a cover; 34. a pull rope; 35. a guide wheel; 36. a pull ring; 37. an anti-backup mechanism; 371. a support plate; 372. a clamping groove; 373. a clamping stick; 4. a flexible cover; 5. a connecting pipe; 6. a negative pressure generating device; 7. a cart; 8. a sterilizing tub; 81. a barrel cover; 82. a foot switch.

Detailed Description

The following description of the embodiments of the present invention is provided to facilitate understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and all the inventions which make use of the inventive concept are protected by the spirit and scope of the present invention as defined and defined in the appended claims to those skilled in the art.

As shown in fig. 1 to 3, the protected pharyngeal swab sampling system includes a transparent oronasal mask 1, a swab 2, and a culture tube 3. The nose-mouth mask 1 is provided with a sampling hole 11 for the swab 2 to pass through, the swab 2 is sleeved with a flexible cover 4 which can be covered on the sampling hole 11, the two sides of the sampling hole 11 are provided with fixing belts 12, the nose-mouth mask 1 is provided with an isolation ventilation part 13 and a negative pressure suction part 14, and the negative pressure suction part 14 is connected with the negative pressure generating device 6 through a connecting pipe 5.

As shown in fig. 4 to 6, the culture tube 3 includes a tube body 31, a cutting cap 32 fixed to the tube orifice, and a cover 33 attached to the cutting cap 32. The tube body 31 is the same as that of the culture tube in the prior art. The lateral wall of cutting lid 32 and body 31 pass through mode fixed connection such as bonding, and the top cap of cutting lid 32 includes fixed lid 321 and movable lid 322, and one side fixedly connected with cutting edge of movable lid 322 orientation fixed lid 321, the rigidity of cutting edge is in order to cut off the handle pole 21 of swab 2.

The end surface of the fixed cover 321 facing the movable cover 322 is provided with a cutting groove for embedding a cutting edge, one end of the movable cover 322 far away from the cutting edge is connected with a pulling device arranged on the outer side of the side wall of the cutting cover, and a return spring 323 is connected between the movable cover 322 and the side wall of the cutting cover. In a normal state, the cutting blade is inserted into the cutting groove, when the swab 2 is required to be placed into the culture tube 3, the movable cover 322 is pulled by the pulling device to insert the swab 2, the pulling device is released, and under the elastic force of the return spring 323, the movable cover 322 cuts off the handle rod 21 by the cutting blade in the process of being rebounded to the original position.

The pulling device comprises a pull rope 34 connected to the movable cover 322, and the pull rope 34 penetrates out of the side wall of the cutting cover along one end far away from the fixed cover 321 and bypasses the guide wheel 35 to be fixedly connected with the pull ring 36. The guide wheel 35 is a pulley which is rotatably arranged on the side wall of the cutting cover and used for changing the direction of the pull rope 34, the pull rope 34 winds into the guide wheel 35 along the horizontal direction after coming out of the cutting cover and winds out downwards from the vertical direction, and the pull rope is fixedly connected with the pull ring 36 after winding out. The pulling direction of the pull ring 36 is parallel to the axial direction of the tube body 31, so that a sampler can pull the movable cover 322 away by hooking the pull ring 36 by the thumb of the same hand to pull the movable cover in the wrist direction when holding the tube body 31, the movable cover can return when the pull ring 36 is released, the convenience of use is improved, the hands do not contact the inside of the culture tube 3, and cross contamination is avoided.

An anti-reversing mechanism 37 can be arranged between the pull ring 36 and the guide wheel 35, and the anti-reversing mechanism 37 can prevent the pull ring 36 from excessively moving upwards under the action of the return spring 323 after the pull ring 36 is loosened, so that the position of the pull ring 36 is always in a position convenient for one-hand hooking. The anti-reversing mechanism 37 comprises a support plate 371 fixed on the outer wall of the cutting cover 32, the support plate 371 is located below the guide wheel 35, an n-shaped clamping groove 372 is formed in the bottom end of the support plate 371, a clamping rod 373 capable of being clamped into the clamping groove 372 is arranged below the clamping groove 372, and the pull ring 36 and the pull rope 34 are both tied on the clamping rod 373. During the process of releasing the pull ring 36 and rebounding, the clamping rod 373 can be clamped into the clamping groove 372 for limiting.

In order to secure the movable space of the movable cover 322, the cut cover 32 is inferior in sealing property, and the cover 33 needs to be reused for sealing. The sealing cover 33 is a rubber cover and is connected to the cutting cover 32 through threads, external threads connected with the sealing cover 33 are machined on the side wall of the cutting cover, the length of the external threads needs to cover holes penetrating out of the pull ropes in the pulling device, the sealing cover 33 can seal the holes after being connected, and the pull ropes are flexible pieces, so that the sealing performance cannot be affected under the extrusion of the sealing cover 33.

As shown in fig. 2, the oronasal mask 1 includes a nose cap portion 101 and a flap portion 102 which are formed according to the outer contours of the nose and mouth of a person, and the oronasal mask 1 is made of transparent resin. The sampling hole 11 is a through hole provided in the flap 102, and an annular groove into which the lid edge of the flexible lid 4 is fitted is provided along the outer periphery of the sampling hole 11. The whole inner wall surface of the oral-nasal mask 1 and the face of the sampled person should be provided with a space for air flow exchange so that the oxygen entering from the isolation ventilation part 13 can be breathed by the sampled person, and the negative pressure suction part 14 can suck away the air possibly carrying germs or viruses in the oral-nasal mask 1. The shape of the sampling hole 11 can be set according to the moving track and the moving range of the swab 2 in the sampling process, so as to reduce the blocking and the interference of the oral-nasal mask 1 to the sampling process.

The swab 2 comprises a handle bar 21 and a cotton ball 22 fixed to one end of the handle bar 21, the handle bar 21 penetrates through the flexible cover 4 from the sampling hole 11 and extends outwards, and the handle bar 21 is in sealing sliding connection with the flexible cover 4. The flexible cover 4 comprises a rubber ring, one end of the rubber ring is adhered with plastic cloth, a through hole for the handle rod 21 to pass through is formed in the plastic cloth, an elastic band corresponding to the outer diameter of the handle rod 21 is fixed on the inner side of the through hole, the elastic band is used for conveniently adjusting the position of the plastic cloth in the axial direction of the handle rod 21, and meanwhile, the elastic band can be clamped with the handle rod 21, so that the tightness is improved. The handle rod 21 extends to the outside of the flexible cover 4 to facilitate the finger holding of a sampler, and the holding part is isolated from the swab on the inner side of the oral-nasal mask 1 by the flexible cover 4, so that the contact part of the sampler is safe and cannot be polluted.

The inner side of the oral-nasal mask 1 is fixedly connected with a tongue depressor 15, and the tongue depressor 15 is arranged adjacent to the lower end of the sampling hole 11. The relative position between the tongue depressor 15 and the sampling hole 11 needs to satisfy ergonomics, so that the tongue depressor 15 just can press the tongue when the mouth and nose of the person to be sampled is covered by the oronasal mask 1, and the tongue is prevented from being damaged by the swab due to uncontrolled upward movement of the tongue to the throat by the swab 2 during the sampling process of the person to be sampled.

As shown in fig. 3, the isolation ventilation portion 13 includes a through hole formed in the oronasal mask 1 and an isolation cloth disposed on the through hole, the isolation cloth being bonded to an inner surface of the through hole, the isolation cloth being a meltblown cloth. The melt-blown cloth can prevent bacteria from passing through and has good air permeability, and can ensure that oxygen smoothly enters into the oral-nasal mask 1 and prevent bacteria, viruses and the like in the oral-nasal mask 1 from reaching the outside of the oral-nasal mask 1.

As shown in fig. 1, the protection type throat swab sampling system further comprises a cart 7, a sterilizing barrel 8 containing a sterilizing agent is placed on the cart 7, a barrel cover 81 is hinged to the top end of the sterilizing barrel 8, the barrel cover 81 controls the opening and closing of the sterilizing barrel through a foot switch 82, and the negative pressure generating device 6 is placed on the cart 7. The cart 7 comprises a storage rack for placing things, handrails for pushing the storage rack to advance, and four universal wheels with brakes, which are arranged on the bottom surface of the storage rack, and the cart 7 is convenient for storing and moving a large number of articles for sampling because a large number of people need to be sampled at some time. The mouth-nose mask 1 can be put into the disinfection barrel 8 in time for disinfection after use, and the barrel cover 81 is opened through the foot switch 82, so that the convenience and the safety of operation are improved.

A method of sampling using the above-described protected pharyngeal swab sampling system includes:

step 1, taking out the oronasal mask 1 from the sealing bag, connecting the negative pressure suction part 14 with the connecting pipe 5, sleeving the fixing belt 12 on the little finger and/or the ring finger of the first operator, pinching the handle rod 21 of the swab 2 by the thumb, the index finger and the middle finger, covering the flexible cover 4 on the sampling hole 11, opening the negative pressure generating device 6 to enable the mouth of the sampled person to sound and expose the throat, covering the oronasal mask 1 on the oronasal of the sampled person, adjusting the position of the oronasal mask 1 to enable the tongue depressor 15 to press the tongue of the sampled person, supporting the rear neck of the sampled person by the second operator, and controlling the cotton ball 22 on the swab 2 to dip the sample on the throat of the sampled person.

Step 2, after dipping the sample, keeping the state that the mouth-nose mask 1 is covered on the mouth and nose of the sampled person, taking a culture tube 3 of which the cover 33 is uncovered by a second operation hand, hooking the pull ring 36 by the thumb of the second operation hand to pull the movable cover 322 away from the fixed cover 321, taking the mouth-nose mask 1 by the first operation hand, inserting the swab 2 into the culture tube 3 from the cotton ball 22 end to the cotton ball 22 immersed in preservation liquid, loosening the pull ring 36 by the second operation hand, cutting the handle rod 21 by a cutting edge on the movable cover 322 under the action of the elastic force of the return spring 323, and covering the cover 33 on the cutting cover 32.

Step 4, the pedal switch 82 is stepped on to open the barrel cover 81, the used oral-nasal mask 1 is put into the sterilizing barrel 8, and the pedal switch 82 is released to cover the barrel cover 81.

Claims

1. The utility model provides a protection type throat swab sampling system which is characterized in that, including transparent oronasal cover (1), swab (2), cultivate pipe (3), be provided with on oronasal cover (1) and supply swab (2) to pass sample hole (11), cup joint flexible lid (4) that can cover on sample hole (11) on swab (2), the both sides of sample hole (11) are provided with fixed band (12), be provided with isolation ventilation part (13) and negative pressure suction part (14) on oronasal cover (1), negative pressure suction part (14) are connected with negative pressure generating device (6) through connecting pipe (5);

the culture tube (3) comprises a tube body (31), a cutting cover (32) fixed on a tube orifice and a sealing cover (33) connected to the cutting cover (32), wherein the cutting cover (32) comprises a fixed cover (321) and a movable cover (322), a cutting edge is arranged on one side of the movable cover (322) facing the fixed cover (321), a cutting groove for embedding the cutting edge is formed in the fixed cover (321), one end, far away from the cutting edge, of the movable cover (322) is connected with a pulling device arranged on the outer side of the side wall of the cutting cover, and a return spring (323) is connected between the movable cover (322) and the side wall of the cutting cover;

the pulling device comprises a pull rope (34) connected to the movable cover (322), the pull rope (34) penetrates out of the cutting cover (32) and then is connected with a pull ring (36), and an anti-reversing mechanism (37) is arranged on the pull ring (36);

the pull rope (34) penetrates through the cutting cover (32) and bypasses the guide wheel (35) to be fixedly connected with the pull ring (36), the pull ring (36) is parallel to the axial direction of the pipe body (31), and the anti-reversing mechanism (37) is arranged between the pull ring (36) and the guide wheel (35);

the anti-reversing mechanism (37) comprises a supporting plate (371) fixed on the outer wall of the cutting cover (32), the supporting plate (371) is located below the guide wheel (35), a clamping groove (372) is formed in the bottom end of the supporting plate (371), a clamping rod (373) capable of being clamped into the clamping groove (372) is arranged below the clamping groove (372), and the pull ring (36) and the pull rope (34) are both tied on the clamping rod (373).

2. The system according to claim 1, wherein the oronasal mask (1) comprises a nose cap portion (101) and a mouth cap portion (102) which are respectively shaped according to the outer contours of the nose and mouth of a human body, the sampling hole (11) is a through hole arranged on the mouth cap portion (102), and an annular groove for embedding the cap edge of the flexible cap (4) is arranged along the periphery of the sampling hole (11).

3. The protected pharyngeal swab sampling system according to claim 1, wherein the swab (2) comprises a handle bar (21) and a cotton ball (22) fixed to one end of the handle bar (21), the handle bar (21) extending from the sampling hole (11) through the flexible cover (4) and outwards, the handle bar (21) being in a sealed sliding connection with the flexible cover (4).

4. The protected pharyngeal swab sampling system according to claim 1, wherein a tongue depressor (15) is fixedly connected to the inner side of the oronasal mask (1), and the tongue depressor (15) is arranged adjacent to the lower end of the sampling hole (11).

5. The protected pharyngeal swab sampling system according to claim 1, wherein the isolating ventilation portion (13) comprises a through hole provided on the oronasal mask (1) and an isolating cloth arranged on the through hole, the isolating cloth being a meltblown cloth.

6. The protection type throat swab sampling system according to claim 1, further comprising a cart (7), wherein a sterilizing barrel (8) containing a sterilizing agent is placed on the cart (7), a barrel cover (81) is hinged to the top end of the sterilizing barrel (8), the barrel cover (81) is controlled to open and close through a foot switch (82), and the negative pressure generating device (6) is placed on the cart (7).