CN111714159A

CN111714159A - Protective throat swab sampling system and sampling method

Info

Publication number: CN111714159A
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: 2020-09-29
Anticipated expiration: 2040-06-29
Also published as: CN111714159B

Abstract

The invention provides a protective pharynx swab sampling system, which relates to the technical field of medical instruments and comprises a transparent oronasal mask, swabs and a culture tube, wherein a sampling hole for the swabs to pass through is formed in the oronasal mask, a flexible cover capable of covering the sampling hole in a sealing mode is sleeved on the swabs, fixing belts are arranged on two sides of the sampling hole, an isolating ventilating portion and a negative pressure suction portion are arranged on the oronasal mask, and the negative pressure suction portion 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, the cutting cover comprises a fixed cover and a movable cover, a cutting blade is arranged on one side of the movable cover facing the fixed cover, a cutting groove for embedding the cutting blade is formed in the fixed cover, one end, far away from the cutting blade, 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 easily infected in the sampling process of the throat swab in the prior art.

Description

Protective throat swab sampling system and sampling method

Technical Field

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

Background

The throat swab is an important examination method for examining pharyngeal diseases, and the conventional examination method comprises the steps of ordering a patient to open mouth to send an o sound to expose the throat part, pressing the tongue of a sampled patient by using a tongue spatula, taking out a sterile long cotton swab in the throat swab, quickly wiping secretions of faucial arches at two sides and pharynx and tonsil, then inserting the cotton swab into a culture tube, tightly covering, washing hands, recording, and timely sending a sample together with an examination order for examination.

Because pharynx swab sampling in-process, need be opened a mouthful of sound production by the thief, by the thief face to the thief, bacterium or virus infection thief are carried very easily to spun droplet in the follow respiratory track, especially under the serious condition of epidemic situation that can cause through the droplet spread virus, medical personnel's protective equipment quantity is big, the goods and materials are in short supply, in order to know the condition by the thief, medical personnel often only can wear the gauze mask and carry out the pharynx swab sample, cause medical personnel to be strengthened by the infected probability, lead to medical personnel's psychological pressure to aggravate. In view of the current situation of pharynx swab sample, need to improve the protection of pharynx swab sampling in-process to medical personnel urgently, prevent that medical personnel from being infected, alleviate collection pharynx swab medical personnel's psychological pressure simultaneously.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a protective pharynx swab sampling system and a sampling method, which solve the problem that medical staff are easily infected in the pharynx swab sampling process in the prior art.

In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:

the utility model provides a protection type pharynx swab sampling system, it includes transparent oronasal mask, swab, culture tube, oronasal mask is last to be provided with the thief hole that supplies the swab to pass, has cup jointed the flexible lid that can seal the lid fit on the thief hole on the swab, and the both sides of thief hole are provided with the fixed band, are provided with on the oronasal mask and keep apart ventilation portion and negative pressure suction portion, and negative pressure suction portion passes through the connecting pipe and produces the device with the negative pressure and be connected.

The culture tube comprises a tube body, a cutting cover fixed on the tube opening and a sealing cover connected to the cutting cover, the cutting cover comprises a fixed cover and a movable cover, a cutting blade is arranged on one side of the movable cover facing the fixed cover, a cutting groove for embedding the cutting blade is formed in the fixed cover, one end, far away from the cutting blade, 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 invention has the beneficial effects that: the oronasal mask can cover and close on by the person of taking a sample's oronasal, prevent to be taken a sample in the person's oral cavity to carry the droplet of germ or virus to be directly injected to the person of taking a sample, the swab of sampling enters into by the person of taking a sample's throat through the sampling mouth on the oronasal mask, the flexible lid of sampling mouth on through the cover is sealed and is covered, flexible lid flexibility is less to the operation influence of swab, the swab still can go on according to the operation dynamics and the angle that the person of taking a sample is familiar, can improve the efficiency and the accuracy of sampling, make the swab short with the time by the contact of person of taking a sample throat, the uncomfortable sense by the person of taking a.

Simultaneously, be provided with on the oronasal mask and keep apart ventilative portion and negative pressure suction portion, outside air enters into oronasal mask through keeping apart ventilative portion inside, guarantees to be can normally breathe by the person of taking a sample, and negative pressure suction portion can in time take out the gas in the oronasal mask and handle to can not remain in the assurance oronasal mask by the person's of taking a sample droplet.

The fixing belts are arranged on the two sides of the sampling hole, so that other fingers of a hand of a sampler operating the swab can penetrate through the fixing belts, the fact that the same hand can control the mouth-nose mask to tightly abut against the face of a person to be sampled in the swab operating process is achieved, the other hand is vacated to support the back neck of the person to be sampled, and the person to be sampled is prevented from shrinking backwards in the sampling process; when taking off the oronasal mask, with the hand operated swab and oronasal mask can be under the state that relative position does not change from being taken off by sampler person oronasal part, make be stained with the sheltering from of having oronasal mask between cotton ball of bacterium sample and the sampler, then insert the culture tube with the swab, utilize the cutting lid on the culture tube directly to cut the swab from oronasal mask is inboard, make whole sampling person of sampling need not contact the inboard swab of oronasal mask, the security has improved greatly.

Drawings

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

FIG. 2 is a sectional view of the assembled oronasal mask and pledget of FIG. 1.

Figure 3 is a left side view of the oronasal mask of figure 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 cutting cap of fig. 5.

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

Detailed Description

The following description of the embodiments of the present invention is provided to facilitate the 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 it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined in the appended claims, and all matters produced by the invention using the inventive concept are protected.

As shown in fig. 1 to 3, the sampling system for a protective pharyngeal swab includes a transparent oronasal mask 1, a swab 2, and an incubation tube 3. Be provided with the thief hole 11 that supplies swab 2 to pass on the oronasal mask 1, cup jointed on the swab 2 and can cover the flexible lid 4 on the thief hole 11, the both sides of thief hole 11 are provided with fixed band 12, are provided with on the oronasal mask 1 and keep apart ventilative portion 13 and negative pressure suction portion 14, and negative pressure suction portion 14 passes through connecting pipe 5 and is connected with negative pressure generating device 6.

As shown in FIGS. 4 to 6, the culture tube 3 includes a tube body 31, a cutting cap 32 fixed to the nozzle, and a cap 33 attached to the cutting cap 32. The tube 31 is the same as that of the prior art culture tube. The side wall of the cutting cover 32 is fixedly connected to the tube 31 by means of adhesion or the like, the top cover of the cutting cover 32 includes a fixed cover 321 and a movable cover 322, a cutting blade is fixedly connected to one side of the movable cover 322 facing the fixed cover 321, and the rigidity of the cutting blade is based on the handle bar 21 capable of cutting off the swab 2.

The fixed cover 321 is provided with a cutting groove for embedding a cutting blade on the end surface facing the movable cover 322, one end of the movable cover 322 far away from the cutting blade 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, and when the swab 2 is required to be placed in the culture tube 3, the movable cover 322 is pulled by the pulling means to insert the swab 2, and the pulling means is released, so that the handle bar 21 is cut off by the cutting blade while the movable cover 322 is rebounded to the original position by the elastic force of the return spring 323.

The pulling device comprises a pulling rope 34 connected to the movable cover 322, and the pulling rope 34 passes through the side wall of the cutting cover along one end far away from the fixed cover 321, passes around the guide wheel 35 and is fixedly connected with a pulling ring 36. The guide wheel 35 is a pulley which is rotatably arranged on the side wall of the cutting cover and is 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 exiting the cutting cover and then winds out downwards from the vertical direction, and the wound-out pull rope is fixedly connected with the pull ring 36. The pulling direction of pull ring 36 is parallel with the axial of body 31 for the sampler can rely on the thumb of same hand to hook pull ring 36 when holding body 31 and just can pull open the movable cover 322 toward wrist direction pulling, and it just can return to release pull ring 36 movable cover, can one-hand operation, has improved the convenience of using, and inside the hand can not contact culture tube 3, has avoided cross contamination.

Can set up between pull ring 36 and leading wheel 35 and prevent that retreat mechanism 37, the setting of preventing retreat mechanism 37 can prevent that pull ring 36 from loosening the back under return spring 323 effect, pull ring 36 excessively moves up to guarantee that the position of pull ring 36 is in the position that makes things convenient for one hand to hook all the time. The anti-backward 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 in an n shape 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 all tied on the clamping rod 373. In 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 space for the movable cover 322, the cutting cover 32 has poor sealing performance, and needs to be sealed again by the sealing cover 33. The closing cap 33 is the rubber lid, through threaded connection on the cutting lid 32, and processing has the external screw thread of being connected with closing cap 33 on the cutting lid lateral wall, and the length of external screw thread need cover the hole that the stay cord was worn out among the pulling device, can seal this hole after making closing cap 33 connect, because the stay cord is the flexible piece, can not influence the leakproofness under the extrusion of closing cap 33.

As shown in FIG. 2, the oronasal mask 1 comprises a nose cap part 101 and a mouth cap part 102 which are respectively formed according to the external contours of the nose and mouth of a human body, and the material of the oronasal mask 1 is transparent resin. The sampling hole 11 is a through hole provided on the mouthpiece portion 102, and an annular groove for embedding the lid edge of the flexible lid 4 is provided along the periphery of the sampling hole 11. A space for exchanging air flow is reserved between the inner wall surface of the whole oronasal mask 1 and the face of a person to be sampled, so that oxygen entering from the isolation ventilating part 13 can be breathed by the person to be sampled, and the negative pressure suction part 14 can suck away air possibly carrying germs or viruses in the oronasal cavity 1. The shape of the sampling hole 11 can be set according to the moving track and moving range of the swab 2 during the sampling process, so as to reduce the obstruction and interference of the oronasal mask 1 on the sampling process.

The swab 2 comprises a handle 21 and a cotton ball 22 fixed to one end of the handle 21, the handle 21 extends through the flexible cover 4 from the sampling hole 11 and towards the outside, and the handle 21 is connected with the flexible cover 4 in a sealing and sliding manner. The flexible cover 4 comprises a rubber ring, plastic cloth is bonded to one end of the rubber ring, 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 position of the plastic cloth in the axial direction of the handle rod 21 is convenient to adjust by means of elasticity of the elastic band, and meanwhile the elastic band can be tightly hooped with the handle rod 21, so that sealing performance is improved. The handle rod 21 extends towards the outer side of the flexible cover 4 to be convenient for a sampler to hold by fingers, and the holding part is separated from the swab inside the oronasal mask 1 by the flexible cover 4, so that the part contacted by the sampler is safe and cannot be polluted.

The inner side of the oronasal mask 1 is fixedly connected with a tongue depressor 15, and the tongue depressor 15 is arranged near 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 can just press the tongue when the oronasal mask 1 covers the mouth and nose part of a person to be sampled for sampling, thereby preventing the person to be sampled from damaging the oral cavity due to uncontrolled upward movement of the tongue to stimulate the throat by the swab 2.

As shown in fig. 3, the isolation breathable part 13 includes a through hole opened in the oronasal mask 1 and an isolation cloth laid on the through hole, the isolation cloth is bonded on the inner surface of the through hole, and the isolation cloth is melt-blown cloth. The melt-blown cloth can prevent bacteria from passing through and has good air permeability, and can ensure that oxygen smoothly enters the oronasal mask 1 and prevent bacteria, viruses and the like in the oronasal mask 1 from reaching the outside of the oronasal mask 1.

As shown in figure 1, the protective pharyngeal swab sampling system further comprises a cart 7, a disinfection barrel 8 containing disinfectant is placed on the cart 7, a barrel cover 81 is hinged to the top end of the disinfection barrel 8, the opening and closing of the barrel cover 81 are controlled by a foot switch 82, and the negative pressure generating device 6 is placed on the cart 7. Shallow 7 is including the supporter of placing the thing, promotes the handrail that the supporter gos forward to and install the universal wheel of four area brakes on the supporter bottom surface, owing to need sample a large amount of personnel occasionally, be convenient for accomodate and remove a large amount of for the sampling article through shallow 7. The mouth-nose mask 1 can be put into the sterilizing barrel 8 for sterilization after being used, 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 for sampling by using the protective pharyngeal swab sampling system comprises the following steps:

step 1, taking the oronasal mask 1 out of the storage 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 operating hand, pinching the handle bar 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, opening the mouth of the sampled person to generate sound to expose the throat part, covering the oronasal mask 1 on the oronasal part of the sampled person, adjusting the position of the oronasal mask 1 to enable the tongue pressing plate 15 to press the tongue of the sampled person, supporting the back neck part of the sampled person by the second operating hand, and controlling the cotton ball 22 on the swab 2 to dip in the sample at the oronasal part of the sampled person.

Step 2, after dipping a sample, keeping the oronasal mask 1 covered on the oronasal part of a sampled person, taking a culture tube 3 which uncovers the sealing cover 33 by a second manipulator, hooking the pull ring 36 by the thumb of the second manipulator to pull the movable cover 322 and the fixed cover 321 apart, taking the oronasal mask 1 by the first manipulator, inserting the swab 2 into the culture tube 3 from the end of the cotton ball 22 until the cotton ball 22 is immersed into a preservative solution, loosening the pull ring 36 by the second manipulator, cutting the handle rod 21 by the cutting edge on the movable cover 322 under the elastic action of the return spring 323, and covering the sealing cover 33 on the cutting cover 32.

And 4, stepping on the foot switch 82 to open the barrel cover 81, putting the used oronasal mask 1 into the disinfection barrel 8, and loosening the foot switch 82 to cover the barrel cover 81.

Claims

1. A protective pharynx swab sampling system is characterized by comprising a transparent oronasal mask (1), swabs (2) and a culture tube (3), wherein a sampling hole (11) for the swab (2) to pass through is formed in the oronasal mask (1), a flexible cover (4) capable of covering the sampling hole (11) is sleeved on the swab (2), fixing belts (12) are arranged on two sides of the sampling hole (11), an isolating ventilating part (13) and a negative pressure suction part (14) are arranged on the oronasal mask (1), and the negative pressure suction part (14) is connected with a negative pressure generating device (6) through a connecting pipe (5);

cultivate pipe (3) including body (31), be fixed in cutting lid (32) on the mouth of pipe and connect closing cap (33) on cutting lid (32), cutting lid (32) are including fixed lid (321) and movable cover (322), movable cover (322) orientation one side of fixed lid (321) is provided with the cutting sword, be provided with the confession on fixed lid (321) the cutting groove of cutting sword embedding, movable cover (322) are kept away from the one end of cutting sword is connected with the pulling device that sets up in the cutting lid lateral wall outside, be connected with return spring (323) between movable cover (322) and the cutting lid lateral wall.

2. A protective pharynx swab sampling system according to claim 1, wherein the oronasal mask (1) comprises a nose cover part (101) and a mouth cover part (102) which are respectively formed according to the nose and mouth outline of the human body, the sampling hole (11) is a through hole arranged on the mouth cover part (102), and an annular groove for embedding the cover edge of the flexible cover (4) is arranged along the periphery of the sampling hole (11).

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

4. A protected pharyngeal swab sampling system according to claim 1, characterised in that a tongue depressor (15) is fixedly connected to the inside of the oronasal mask (1), said tongue depressor (15) being arranged adjacent to the lower end of the sampling hole (11).

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

6. The protective pharyngeal swab sampling system according to claim 1, further comprising a cart (7), wherein a disinfection barrel (8) containing disinfectant is placed on the cart (7), a barrel cover (81) is hinged to the top end of the disinfection barrel (8), the opening and closing of the barrel cover (81) are controlled by a foot switch (82), and the negative pressure generating device (6) is placed on the cart (7).

7. A protected pharyngeal swab sampling system according to claim 1, wherein the pulling means includes a pull cord (34) connected to the removable cap (322), the pull cord (34) extending through the cutting cap (32) and being connected to a pull ring (36), the pull ring (36) being provided with an anti-backup mechanism (37).

8. A protected pharyngeal swab sampling system according to claim 7, characterized in that the pull string (34) passes out of the cutting cap (32) and around a guide wheel (35) and is fixedly connected to the pull ring (36), the pull ring (36) being parallel to the axial direction of the tube (31), the anti-backup mechanism (37) being provided between the pull ring (36) and the guide wheel (35).

9. A protected pharyngeal swab sampling system according to claim 8, characterized in that the anti-backup mechanism (37) comprises a support plate (371) fixed to the outer wall of the cutting cover (32), the support plate (371) is located below the guide wheel (35), a card slot (372) is provided at the bottom end of the support plate (371), a card stick (373) capable of being snapped into the card slot (372) is provided below the card slot (372), and the pull ring (36) and the pull rope (34) are both tied to the card stick (373).

10. A sampling method using the protected pharyngeal swab sampling system of claims 1-9, comprising:

step 1, taking the oronasal mask (1) out of the storage bag, connecting a negative pressure suction part (14) with a connecting pipe (5), sleeving a fixing belt (12) on a little finger and/or a ring finger of a first operating hand, pinching a handle rod (21) of a swab (2) by a thumb, a forefinger and a middle finger, covering a flexible cover (4) on a sampling hole (11), opening a negative pressure generating device (6) to enable a person to be sampled to open a mouth and generate sound to expose the throat part, covering the oronasal mask (1) on the oronasal part of the person to be sampled, adjusting the position of the oronasal mask (1) to enable a tongue pressing plate (15) to press the tongue of the person to be sampled, supporting the back neck part of the person to be sampled by a second operating hand, and controlling a cotton ball (22) on the swab (2) to dip in the oronasal part of the person to be sampled to take a sample;

step 2, after dipping a sample, keeping the state that the oronasal mask (1) covers the oronasal part of a person to be sampled, taking a culture tube (3) which uncovers the sealing cover (33) by a second manipulator, hooking a pull ring (36) by a thumb of the second manipulator to pull the movable cover (322) and the fixed cover (321) apart, taking the oronasal mask (1) by the first manipulator, inserting the swab (2) into the culture tube (3) from the end of the cotton ball (22) until the cotton ball (22) is immersed into a preserving fluid, loosening the pull ring (36) by the second manipulator, cutting off the rod (21) by a cutting handle blade on the movable cover (322) under the elastic action of a return spring (323), and covering the sealing cover (33) on the cutting cover (32);

and 4, stepping on the foot switch (82) to open the barrel cover (81), putting the used oronasal mask (1) into the disinfection barrel (8), and loosening the foot switch (82) to cover the barrel cover (81).