CN212729867U

CN212729867U - Pharynx swab sampling protection device

Info

Publication number: CN212729867U
Application number: CN202020300338.XU
Authority: CN
Inventors: 李宁; 冯耘; 范芸; 李敏
Original assignee: Ruinjin Hospital Affiliated to Shanghai Jiaotong University School of Medicine Co Ltd
Current assignee: Ruinjin Hospital Affiliated to Shanghai Jiaotong University School of Medicine Co Ltd
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2021-03-19
Anticipated expiration: 2030-03-12

Abstract

The utility model relates to the technical field of biomedical equipment. The pharynx swab sampling protection device comprises an oral and nasal mask main body which covers the mouth and the nose of a patient, wherein the oral and nasal mask main body is provided with an air vent, and the oral and nasal mask main body is also provided with an oxygen inhalation port; the mouth nose mask main body is connected with a fixing belt for fixing the head of a patient; the mouth-nose mask body is provided with an annular mouth part, and a rubber plug used for sealing the annular mouth part is detachably arranged on the annular mouth part; a sampling hole through which a cotton stick at the front end of the sampling swab passes is formed in the rubber plug, and a sampling hole sealing film covers the outer side of the sampling hole; the sampling swab is sleeved with a sealing element with a conical front end. This patent does not have the wound safety and sample whole inclosed, is applicable to the pharynx swab sampling of the various state patients of disease, can realize relapse many times, quick airtight sampling to medical occupation exposes when greatly reduced the sampling, has reduced respiratory infectious disease cross infection's risk.

Description

Pharynx swab sampling protection device

Technical Field

The utility model relates to the technical field of biomedical equipment, specifically a pharynx swab sampling protection device.

Background

Specimen sampling is one of the basic diagnostic methods. Has the significance of assisting in diagnosing diseases, conjecturing the progress of disease course, making treatment measures, observing disease conditions and the like. Pharyngeal swab sampling is a common procedure in clinical examination of respiratory infections.

When sampling the throat swab at present, firstly, the patient is instructed to relax and send out an 'o' sound, and the throat is exposed (2/3 is pressed before the patient presses the tongue with a tongue spatula if necessary); then, an operator holds a handle at the rear end of the sampling swab, and a cotton swab at the front end of the sampling swab is used for gently and rapidly wiping the palatopharyngeal arches, the rear pharyngeal wall and the tonsils on the two sides of the patient; and finally, taking out the sampling swab, inserting the front-end cotton swab into the sterile test tube preservation solution, breaking the rear-end handle, screwing the test tube cover and then performing inspection.

The sampling operation of the traditional pharyngeal swab has serious medical occupational exposure risks, and particularly when patients suffer from respiratory infectious diseases, the medical treatment room is easily polluted, and medical staff and other patients are infected in a cross way. There are mainly the following problems: during sampling, the medical staff faces the open oral cavity of the patient, and the respiratory droplets exhaled by the patient are very easy to spray on the face and the consulting room of the medical staff, so that iatrogenic cross infection is caused, and the problems that the breath of the patient needs to be endured and the like exist.

SUMMERY OF THE UTILITY MODEL

To the problem that prior art exists, the utility model provides a pharynx swab sampling protection device to solve above at least one technical problem.

In order to achieve the above object, the utility model provides a pharynx swab sampling protection device, which is characterized in that the pharynx swab sampling protection device comprises an oral and nasal mask main body covering the oral part and the nasal part of a patient, wherein the oral and nasal mask main body is provided with a vent hole, the vent hole is used for connecting a vent pipeline, and the vent pipeline is provided with a breathing filter;

the mouth-nose mask main body is also provided with an oxygen inhalation port, and the oxygen inhalation port is connected with a choke plug for plugging the oxygen inhalation port;

the mouth nose mask main body is a transparent mouth nose mask main body;

the mouth nose mask main body is connected with a fixing belt for fixing the head of a patient;

an inflatable air bag is arranged on the main body of the oral-nasal mask and contacts the face of the patient, and an inflating nozzle is arranged on the inflatable air bag;

an annular mouth part extending outwards is arranged on the mouth part area facing a patient on the mouth mask main body, and a detachable plastic transparent sealing cover is in threaded connection with the periphery of the annular mouth part;

the sampling device is characterized by also comprising a rubber plug for detachably plugging the annular opening, the rubber plug is placed in an aseptic packaging bag, a sampling hole for a cotton swab at the front end of the sampling swab to pass through is formed in the rubber plug, and a circular aseptic sealing film for plugging a sampling hole opening is covered outside the sampling hole;

the rubber plug is also provided with a strip-shaped through hole for the tongue depressor to pass through, the strip-shaped through hole is positioned below the sampling hole, and the outer side of the strip-shaped through hole is covered with a strip-shaped sterile sealing film for plugging the strip-shaped through hole.

Still include the sampling swab, the cover is equipped with one and is used for plugging up the sealing member in clearance between sampling hole and the sampling swab handle pole on the sampling swab rear end handle pole, the front end of sealing member is coniform.

This patent has optimized traditional pharynx swab sampling operation, mainly includes: (1) according to the nasal mask, the oral nasal mask main body is provided with the oxygen inhalation port and the vent, so that sampling in a closed space is realized while normal ventilation is realized, and infection sources such as respiratory droplets are isolated; in the main body of the oral-nasal mask, an oxygen inhalation port can be connected with an oxygen tube, so that a patient can conveniently inhale oxygen in the sampling process, and the mask is suitable for patients with hypoxemia or reduced transient oxygen saturation after sampling stimulation by a throat swab; (3) in the nose and mouth mask body, an adjustable inflatable air bag is arranged at the position contacting with the face of a patient, so that the wearing comfort and the tightness are enhanced; the inflating nozzle can be used for inflating by using a common medical plastic syringe. The inflation quantity is controlled through the inflation nozzle, the inflation quantity of the air bag can be adjusted according to the face shape of the patient, and the wearing comfort and the fitting tightness of the face of the patient are enhanced. (4) The oral-nasal mask body is provided with an annular mouth part extending outwards, and the annular mouth part can be connected with a transparent plastic sealing cover or a sterile rubber plug, and the oral-nasal mask body and the transparent plastic sealing cover or the sterile rubber plug can be disassembled and assembled, so that the oral-nasal mask and the sterile rubber plug can be alternately used, and repeated safe pharynx swab sampling can be realized until the sampling is satisfactory; (5) the detachable rubber plug is provided with auxiliary devices such as a tongue depressor and the like which can be inserted, so that better sampling is facilitated; (6) the annular oral area of outside extension in this patent oronasal mask main part, diameter 2.5cm can be fit for connecting and do not have the wound breathing machine pipeline, if the proruption of state of an illness changes in the patient's sampling process, but the consecutive lug connection breathing machine rescue treatment.

The sampling process by using the device is as follows:

1) the operator cleans both hands and removes the detachable plastic transparent sealing cover positioned at the annular mouth part of the nose and mouth mask. Tearing the sterile packaging bag, taking the glove, and taking out the rubber plug which is arranged at the annular opening. In the operation process, the sterile sealing film on the sampling hole of the rubber plug is not touched.

2) The oxygen inhalation port and the vent on the mouth nose mask body are connected, the patient is assisted to take the mouth nose mask body, the fixing band is adjusted, the inflatable air bag is inflated, and the mouth nose mask is ensured to be tightly attached to the face of the patient.

3) During sampling, a sterile pharyngeal swab sampling tube is taken, a conical sealing piece is sleeved on a handle rod at the rear end of the sampling swab from back to front, and the conical tip of the sealing piece points to the front end of the sampling swab.

4) Tear aseptic sealed pad pasting on the rubber buffer sampling hole, make the whole sampling hole that passes through of sampling swab front end cotton swab, and cotton swab head is apart from by about 1.5cm department of person's lip of being sampled, then promote the sealing member, make the sealing member seal the clearance between rubber buffer handle hole and the sampling swab handle pole.

5) Order the patient to open the mouth, promote aseptic sampling swab rear end handle pole simultaneously, make the cotton stick of front end get into the sampling of patient's oral cavity depths. If the patient opens the mouth, the internal visual field of the oral cavity is not clear, and the operator can wear the medical head lamp for auxiliary illumination. This patent oronasal mask body is transparent, and the rubber buffer diameter is little, does not influence the wild daylighting of operation.

6) And after sampling is finished, immediately taking off the rubber plug, helping an assistant, and immediately rotating and sealing the annular mouth part on the mouth-nose mask by using the detachable plastic transparent sealing cover.

Further preferably, a scratch perpendicular to the axial direction is arranged on the handle rod of the sampling swab;

the distance from the score to the rear end of the sampling swab is 1/3 the total length of the sampling swab.

The handle rod body can be quickly broken by reversely folding along the scratch, so that the phenomenon that the preservation solution is oscillated and splashed out due to repeated folding or the pathogen aerosol on the sampled swab is overflowed is avoided.

During the operation, in mar department, reverse folding breaks sampling swab handle bar fast, and the stub advances forward, makes the sampling swab front end leave the rubber buffer, falls into aseptic test tube preservative solution, screws the test tube lid immediately and inspects, abandons the rubber stopper in yellow medical waste bag.

Preferably, the sealing element comprises a conical plastic part and a silica gel layer adhered and fixed on the inner wall of the plastic part.

The sampling swab is convenient to break off while the sealing is convenient to realize.

Preferably, the rubber plug is further provided with an operation hole for the sputum suction tube to pass through, and the outer side of the operation hole is covered with a sterile sealing adhesive film for plugging the operation hole.

Is suitable for the condition of excessive sputum in the oral cavity of a patient. At this time, the sterile sealing film can be torn off and the sputum-aspirating tube can be placed.

Further preferably, the side of the sampling swab far away from the cotton ball can be provided with cutting marks which are arranged at equal intervals along the length direction. The sampling swab is convenient to extend into the mouth for a distance to give reference.

Preferably, a cutting mechanism is mounted at the front end of the rubber plug;

the outer diameter of the front end of the rubber plug is smaller than that of the rear end of the rubber plug;

the cutting mechanism comprises a fixed shearing knife fixed at the front end of the rubber plug and a rotary shearing knife rotationally connected with the rubber plug;

in the rotating process of the rotary shearing knife, the orthographic projection of the blade of the rotary shearing knife moves from uncovering the sampling hole to covering the sampling hole.

And then realize the cutting to the sampling swab tip, be convenient for break off with the fingers and thumb.

The front end of the rubber stopper that this patent indicated refers to and is close to the human body side. The outer diameter of the cutting mechanism is smaller than the outer diameter of the rear end of the rubber plug. The rear end of the rubber plug is conveniently connected with the annular opening in a sealing way.

Further preferably, the cutting edge of the fixed shearing knife is tangent to all the sampling holes.

To facilitate abutting the sampling swab when sheared.

Further preferably, the vent line is connected to a negative pressure device.

The normal breathing during sampling is convenient to realize. The negative pressure device may be an exhaust fan.

Further preferably, the oxygen inhalation port is connected with an oxygen tube for delivering oxygen, so that oxygen supply is facilitated. Or the oxygen inhalation port can be blocked by the choke plug without oxygen, and the vent realizes ventilation.

More preferably, the number of the oxygen inhalation ports is two. Can supply two paths of oxygen simultaneously, and is suitable for patients with large oxygen demand.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is a partial sectional view of embodiment 1 of the present invention;

fig. 3 is a schematic view of a partial structure of the rear end of a rubber stopper according to embodiment 1 of the present invention;

fig. 4 is a schematic structural view of the cutting device according to embodiment 2 of the present invention installed on the rubber stopper in an initial state;

fig. 5 is a schematic structural view of a rubber plug in embodiment 2 of the present invention.

Wherein: 2 is a vent, 3 is a rubber plug, 4 is a fixing band, 8 is a sealing element, 9 is an oxygen inhalation port, 10 is a sampling swab, 11 is an inflation nozzle, 31 is a sampling hole, 32 is a strip-shaped through hole, 33 is a guide groove, 34 is an annular groove, 35 is an operation hole, 71 is a fixed shearing knife, 72 is a rotary shearing knife, and 81 is a silica gel layer.

Detailed Description

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

In specific embodiment 1, referring to fig. 1 to 3, the pharyngeal swab sampling and protecting device includes an oronasal mask body covering the mouth and nose of a patient, wherein the oronasal mask body is provided with a vent 2, the vent 2 is used for connecting a ventilation pipeline, and the ventilation pipeline is provided with a disposable respiratory filter. Disposable respiratory filters are commercially available products. Therefore, this patent will not be described in detail. The main body of the mouth-nose mask is provided with an oxygen inhalation port 9, and the oxygen inhalation port 9 is connected with a choke plug for plugging the oxygen inhalation port.

The mouth nose mask main body is a transparent mouth nose mask main body; the mouth nose mask main body is connected with a fixing belt 4 for fixing the head of a patient; an inflatable air bag is arranged on the main body of the mouth-nose mask and contacts the face of the patient, and an inflating nozzle 11 is arranged on the inflatable air bag; on the oral nasal mask main body, an annular oral area which extends outwards is arranged in the oral area which is right opposite to the patient, and a detachable plastic transparent sealing cover is connected with the periphery of the annular oral area in a threaded manner.

The sampling device also comprises a rubber plug 3 for detachably plugging the annular opening, the rubber plug 3 is placed in an aseptic independent package, a sampling hole 31 for a cotton swab at the front end of the sampling swab 10 to pass through is formed in the rubber plug 3, and a circular aseptic sealing film for plugging the opening of the sampling hole 31 is covered on the outer side of the sampling hole 31; the rubber plug 3 is further provided with a strip-shaped through hole 32 for the tongue depressor to pass through, the strip-shaped through hole 32 is located below the sampling hole 31, and the outer side of the strip-shaped through hole 32 is covered with a strip-shaped sterile sealing film for plugging the strip-shaped through hole.

The sampling swab is characterized by further comprising a sampling swab 10, wherein a conical sealing element 8 used for blocking a gap between the sampling hole 31 and the handle rod of the sampling swab 10 is sleeved on the handle rod at the rear end of the sampling swab 10.

This patent is through having optimized traditional pharynx swab sampling environment, with traditional open-type, through having introduced oronasal mask main part, and then has realized the sampling at the enclosure space, greatly reduced cross infection's risk, reduced the conflict psychology of medical staff when the sampling. This patent is through having introduced oronasal mask main part, is convenient for realize the oxygen uptake of patient in the sampling process, and the patient that the too sexual oxygen saturation reduces after the sampling stimulation is wiped away to suitable blood oxygen is low or the pharynx. The inner diameter of the sampling port is larger than the outer diameter of the head of the sampling swab 10. Facilitating insertion of the sampling swab 10.

The section of the strip-shaped through hole is smaller than that of the tongue depressor. The sealing performance of the tongue depressor after insertion is convenient.

The connection relationship between the oxygen inhalation port 9 and the oxygen tube is the connection relationship of the existing oral nasal mask main body, so the patent does not describe in detail. The oxygen inhalation port 9 is provided with a one-way valve. Avoiding backflow. The oxygen uptake port is connected with an oxygen tube for conveying oxygen, so that oxygen supply is convenient to realize. Or the oxygen inhalation port can be blocked by the choke plug without oxygen, and the vent realizes ventilation. Two oxygen inhalation ports are provided. Can supply two paths of oxygen simultaneously, and is suitable for patients with large oxygen demand.

The strip-shaped sterile sealing adhesive film and the round sterile sealing adhesive film can be applied. Can comprise a film layer, and an adhesive layer used for adhering to the rubber plug 3 is arranged on the film layer.

The rear end of the seal 8 is provided with a cylindrical extension. Is convenient for hand-held operation. The sealing member 8 includes a conical plastic member and a silicone layer 81 adhered and fixed to an inner wall of the plastic member. The sampling swab is convenient to break off while the sealing is convenient to realize.

The fixing belt 4 is an elastic belt with adjustable length. The fixed band 4 is including connecting left elastic webbing and the right elastic webbing at the left and right both ends of oronasal mask main part respectively, and left elastic webbing and right elastic webbing pass through the thorn hair and paste the connection of dismantling.

The ventilation pipeline can be connected with a negative pressure device. The normal breathing during sampling is convenient to realize. The negative pressure device may be an exhaust fan. The air outlet of the exhaust fan is connected with a collection bag integrated with a one-way valve. Is convenient for gas recovery.

The rubber plug 3 can be further provided with an operation hole 35 for the sputum suction tube to pass through. The operation hole can be positioned between the strip-shaped through hole and the sampling hole. The outer side of the operation hole is covered with an operation hole sealing pad pasting for plugging the end part of the operation hole. Is suitable for the condition of excessive sputum in the oral cavity of a patient. At this time, the operation hole sealing pad pasting can be torn open and the sputum suction tube can be placed.

A scratch which is vertical to the axial direction is arranged on a handle rod of the sampling swab; the distance from the score to the rear end of the sampling swab is 1/3 the total length of the sampling swab. The handle bar body can be quickly broken by reversely folding along the scratch, so that the phenomenon that the preservation solution is oscillated and splashed out or the pathogen aerosol on the sampled swab is spilled out due to repeated folding is avoided; during operation, the sampling swab handle rod is folded reversely and broken rapidly at the scratch position, and the stub is pushed forward to enable the front end of the sampling swab to be separated.

The inner diameter of the annular mouth part is less than 2.5cm, and the outer diameter of the rubber plug can be 2.5 cm. The visual field of an operator can be ensured during sampling.

The inner diameter of the sampling hole is 0.5 cm. The inner diameter of the oxygen inhalation port is 0.5 cm.

The sampling process by using the device is as follows:

3) During sampling, a sterile pharyngeal swab sampling tube is taken, a sealing piece is sleeved on a handle rod at the rear end of the sampling swab from back to front, and the conical tip of the sealing piece points to the front end of the sampling swab.

7) 1/3 mar department behind the sampling swab handle bar, reverse folding breaks the sampling swab handle bar fast, and the stub advances forward, makes the sampling swab front end leave the rubber buffer, falls into in aseptic test tube preservative solution, screws the test tube lid immediately and inspects, discards the rubber stopper in yellow medical treatment disposal bag.

The specific size of the product can be flexibly adjusted according to the actual requirement, and the method is not limited herein.

Has the advantages that: this traditional pharynx swab sampling operation of patent mainly includes: (1) according to the respirator, the nose mask body is provided with the oxygen inhalation port and the vent connected with the filter assembly, so that sampling in a closed space is realized while normal ventilation is realized, and infection sources such as respiratory droplets are isolated; (2) in the main body of the oronasal mask, the oxygen inhalation port can be connected with an oxygen inhalation device, so that a patient can conveniently inhale oxygen in the sampling process, and the oxygen inhalation mask is suitable for patients with hypoxemia or reduced transient oxygen saturation after sampling stimulation by a throat swab; (3) in the nose and mouth mask body, an adjustable inflatable air bag is arranged at the position contacting with the face of a patient, so that the wearing comfort and the tightness are enhanced; (4) the oral-nasal mask body is provided with an annular mouth part extending outwards, and the annular mouth part can be connected with a transparent plastic sealing cover or a sterile rubber plug, and the oral-nasal mask body and the transparent plastic sealing cover or the sterile rubber plug can be disassembled and assembled, so that the oral-nasal mask and the sterile rubber plug can be alternately used, and repeated safe pharynx swab sampling can be realized until the sampling is satisfactory; (5) the detachable rubber plug is provided with auxiliary devices such as a tongue depressor and the like which can be inserted, so that better sampling is facilitated; (6) according to the handle rod at the rear end of the sterile sampling swab, the scratch which is vertically arranged in the long axis direction is arranged at the position 1/3 behind the rod body, the handle rod body can be quickly broken by reversely folding along the scratch, and the phenomenon that preservation solution is oscillated and splashed out due to repeated folding or pathogen aerosol on the sampled swab is overflowed is avoided; (7) the annular oral area of outside extension in this patent oronasal mask main part, diameter 2.5cm can be fit for connecting and do not have the wound breathing machine pipeline, if the proruption of state of an illness changes in the patient's sampling process, but the consecutive lug connection breathing machine rescue treatment.

The utility model has the advantages of safe and sampling whole journey is airtight not have the wound, is applicable to the pharynx swab sampling of the various state patients of disease (the trachea cannula has the wound treatment patient of ventilating) to medical occupation exposes when greatly reduced the sampling, has reduced respiratory infectious disease cross infection's risk.

Referring to fig. 4 and 5, in embodiment 2, on the basis of embodiment 1, a cutting mechanism is installed at the front end of the rubber stopper; the outer diameter of the front end of the rubber plug is smaller than that of the rear end of the rubber plug; the cutting mechanism comprises a fixed shearing knife 71 fixed at the front end of the rubber plug and a rotary shearing knife 72 rotatably connected with the rubber plug; during rotation of the rotary shear knife 72, the orthographic projection of the blade of the rotary shear knife 72 moves from not covering a sampling aperture to covering a sampling aperture. And then realize the cutting to the sampling swab tip, be convenient for break off with the fingers and thumb. The cutting edge of the fixed shearing knife is tangent to all the sampling holes. To facilitate abutting the sampling swab when sheared.

The rotatory sword of cuting includes round rubber buffer pivoted installation section of thick bamboo, and the front end of an installation section of thick bamboo is equipped with cuts the blade, and the rear end of an installation section of thick bamboo is equipped with the arch. The front end of the rubber plug is provided with a guide groove 33 for guiding the protrusion to slide in axially. The front end of the rubber plug is also provided with an annular groove 34 for guiding the protrusion to rotate circumferentially. The guide groove is communicated with the annular groove. The circumferential rotation of the installation cylinder is convenient to realize.

All sampling holes are arranged on the same side of the central axis of the rubber plug. Facilitating the rotary cutting. And the arrangement direction of all sampling holes can be the radial direction of the rubber plug.

The mounting cylinder may be semi-annular. After the sampling of being convenient for was ended, the rubber buffer took off the back, loaded the rotatory sword of cuting and cut.

Or the outer diameter of the mounting cylinder is smaller than the outer diameter of the rear end of the rubber plug. The rotary shearing knife can be conveniently inserted into the annular opening. The sampling hole is opened at a position accessible to the blade of the rotary shearing knife.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The pharynx swab sampling protection device is characterized by comprising an oral and nasal mask main body which covers the mouth and the nose of a patient, wherein the oral and nasal mask main body is provided with an air vent which is used for being connected with an air vent pipeline, and the air vent pipeline is provided with a breathing filter;

the mouth nose mask main body is a transparent mouth nose mask main body;

the rubber plug is also provided with a strip-shaped through hole for the tongue depressor to pass through, the strip-shaped through hole is positioned below the sampling hole, and the outer side of the strip-shaped through hole is covered with a strip-shaped sterile sealing film for plugging the strip-shaped through hole;

2. A pharyngeal swab sampling protection device according to claim 1, characterised in that: the ventilation pipeline is connected with a negative pressure device.

3. A pharyngeal swab sampling protection device according to claim 1, characterised in that: the rubber plug is also provided with an operation hole for the sputum suction tube to pass through, and the outer side of the operation hole is covered with an aseptic sealing sticking film for plugging the operation hole.

4. A pharyngeal swab sampling protection device according to claim 1, characterised in that: the sealing element comprises a conical plastic sleeve and a silica gel layer which is adhered and fixed on the inner wall of the plastic sleeve.

5. A pharyngeal swab sampling protection device according to claim 1, characterised in that: a scratch perpendicular to the axial direction is arranged on a handle rod of the sampling swab;

6. A pharyngeal swab sampling protection device according to claim 1, characterised in that: the front end of the rubber plug is provided with a cutting mechanism;

7. A pharyngeal swab sampling protection device according to claim 6, characterized in that: the cutting edge of the fixed shearing knife is tangent to the sampling hole.

8. A pharyngeal swab sampling protection device according to claim 1, characterised in that: the oxygen uptake port is connected with an oxygen tube for conveying oxygen.

9. A pharyngeal swab sampling protection device according to claim 1, characterised in that: two oxygen inhalation ports are arranged.