CN113229859B - Safety isolation device for sampling respiratory system - Google Patents
Safety isolation device for sampling respiratory system Download PDFInfo
- Publication number
- CN113229859B CN113229859B CN202110687443.2A CN202110687443A CN113229859B CN 113229859 B CN113229859 B CN 113229859B CN 202110687443 A CN202110687443 A CN 202110687443A CN 113229859 B CN113229859 B CN 113229859B
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- Prior art keywords
- clamping jaw
- elastic clamping
- cover body
- cover
- isolation device
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- 238000005070 sampling Methods 0.000 title claims abstract description 31
- 238000002955 isolation Methods 0.000 title claims abstract description 25
- 210000002345 respiratory system Anatomy 0.000 title claims abstract description 8
- 230000000844 anti-bacterial effect Effects 0.000 claims description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 230000000241 respiratory effect Effects 0.000 claims 7
- 230000001681 protective effect Effects 0.000 abstract description 19
- 229920000742 Cotton Polymers 0.000 description 31
- 238000000034 method Methods 0.000 description 6
- 210000000214 mouth Anatomy 0.000 description 6
- 210000003800 pharynx Anatomy 0.000 description 6
- 208000015181 infectious disease Diseases 0.000 description 4
- 206010073310 Occupational exposures Diseases 0.000 description 3
- 241000700605 Viruses Species 0.000 description 3
- 244000052616 bacterial pathogen Species 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 210000001124 body fluid Anatomy 0.000 description 3
- 239000010839 body fluid Substances 0.000 description 3
- 238000012864 cross contamination Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 231100000675 occupational exposure Toxicity 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 206010011409 Cross infection Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
- 239000004599 antimicrobial Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 206010013023 diphtheria Diseases 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 210000003300 oropharynx Anatomy 0.000 description 1
- 210000002741 palatine tonsil Anatomy 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 206010044008 tonsillitis Diseases 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/0045—Devices for taking samples of body liquids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/05—Splash shields for protection of the surgeon, e.g. splash guards connected to the apparatus
Abstract
The invention belongs to the technical field of medical instruments, and particularly relates to a safety isolation device for sampling a respiratory system, which comprises a protective cover and a disposable clamping piece, wherein the protective cover comprises a cover body and a cover tube, the disposable clamping piece comprises a holding rod, a rear baffle plate connected with one end of the holding rod is connected with a rear elastic clamping jaw and a connecting rod, a rear limiting block is arranged on the outer side surface of the rear elastic clamping jaw, a slip ring is sleeved on the outer side of the rear elastic clamping jaw between the rear limiting block and the rear baffle plate in a sliding manner, a connecting plate connected with one end of the connecting rod is connected with a front elastic clamping jaw, a trapezoid end is arranged at one end, far away from the connecting plate, of the outer side surface of the connecting plate is connected with the middle end of the inner side surface of the middle elastic clamping jaw, the middle end, and the middle elastic clamping jaw is provided with a middle limiting block.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a safety isolation device for sampling a respiratory system.
Background
The normal human isthmus is cultured with normal oral flora without pathogenic bacteria growth. Bacteria in the pharynx are all from the outside, are not pathogenic under normal conditions, but can be infected under the condition of reduced systemic or local resistance of the organism and other external factors, and the like, so that diseases are caused. Therefore, the bacteria culture of the throat swab can separate pathogenic bacteria, and is helpful for diagnosis of diphtheria, suppurative tonsillitis, acute pharyngolaryngitis and the like.
The collecting operation flow of the oropharynx swab comprises the following steps: 1. firstly, please sit down the patient, then, the head of the patient leans backwards, the mouth is opened, and secretion on the surface of the anterior nares is removed; 2. the tongue of the patient is fixed by the tongue depressor, and the tongue root is crossed by the oropharyngeal swab to the positions of the back wall of the pharynx, the tonsil crypt, the side wall and the like; 3. repeatedly wiping for 3-5 times, and collecting mucosa cells; 4. slowly taking out the swab from the mouth, vertically placing the swab into the sampling tube, breaking off the tail part of the swab, and screwing the sampling tube so as to avoid leakage; 5. as soon as possible, to the laboratory for detection.
During the sampling process, the person to be inspected opens the mouth to sound and faces the face of the person to be inspected, and germs easily pass through the spray to infect the person to be inspected; the umbrella-shaped isolation cover is added, so that the spray infection of inspectors can be effectively reduced, and the nosocomial infection is avoided, for example, the invention with the application publication number of CN111202544A is applied for; however, if the umbrella-shaped isolation cover is required to have a sufficient isolation protection effect, the larger the self area of the umbrella-shaped isolation cover is, the better the self area of the umbrella-shaped isolation cover is, and the larger the self area of the umbrella-shaped isolation cover is at least larger than the opening area of a person to be detected after opening the opening, so that if the umbrella-shaped isolation cover is designed into a disposable appliance formed by integrating the umbrella-shaped isolation cover and the swab, the transportation quantity and the storage quantity of detection materials are seriously reduced, and the detection work is not facilitated; in addition, since the medical staff is slightly not careful about the glove parts during the operation and touches the tissues in the oral cavity of the subject during the sampling, cross contamination is extremely easy to occur when the next subject is detected, and the risk of infection of the healthy subject is increased.
Disclosure of Invention
The existing pharyngeal swab collecting device is poor in isolation safety and easy to cause cross contamination. The invention provides a safety isolation device for sampling a respiratory system, which is characterized in that a protective cover capable of being quickly assembled and disassembled on a disposable clamping piece is used for safety isolation protection in the sampling process, the disposable clamping piece clamping a cotton swab cannot contact the hands of medical staff or generate cross contamination before the end of the collection, and the safety and the operation are high.
The invention provides the following technical scheme: the utility model provides a safety isolation device for respiratory system sampling, includes protection casing and disposable holder, the protection casing includes the cover body and covers the pipe, the one end fixed connection cover body's of cover pipe concave surface side, disposable holder includes the holding rod, the one end terminal surface of holding rod's one end fixed connection backplate, the other terminal surface fixedly connected with back elasticity clamping jaw and connecting rod of backplate, fixedly provided with back stopper on the lateral surface of back elasticity clamping jaw, the slip ring is equipped with to the outside slip cover of back elasticity clamping jaw between back stopper and the backplate, the one end of connecting rod fixed connection connecting plate, the other end fixedly connected with preceding elasticity clamping jaw of connecting plate, the one end fixed being equipped with trapezoidal end of preceding elasticity clamping jaw, the slip-resistant edge has been seted up to the medial surface of preceding elasticity clamping jaw of trapezoidal end rear side, the middle end of elasticity medial surface in the lateral surface fixed connection of connecting plate, the one end fixed stop in the elastic force clamping jaw towards the clamping jaw of back elasticity clamping jaw.
The cover body is of a colorless transparent umbrella-shaped structure, a through hole sleeved on the outer side of the rear elastic clamping jaw between the rear limiting block and the middle limiting block in a sliding mode is formed in the axis of the cover body, the inner diameter of the cover pipe is the same as the diameter of the through hole formed in the cover body, the axes of the cover pipe and the cover body are collinear, and the wall thickness of the cover body plus the length of the cover pipe is equal to the length of the rear elastic clamping jaw between the rear limiting block and the middle limiting block; the cover body of stop collar dress on back elasticity clamping jaw can carry out suitable shielding to patient's face at the sample in-process, can not shelter from medical personnel's sight simultaneously, effectually reduced occupational exposure and the probability of infecting, cover the area of contact of pipe multiplicable protection casing and disposable holder, avoid the cover body to produce rocking on disposable holder.
The side face of the concave surface of the cover body faces the face of the patient and faces away from the holding rod, and an antibacterial layer formed by colorless transparent nano silver solution is sprayed on the side face of the concave surface of the cover body; the antibacterial layer can effectively kill various microorganisms contained in body fluid splashed on the concave side surface of the cover body when the patient opens, and reduce the risk of virus transmission.
The rear elastic clamping jaw and the middle elastic clamping jaw are of a three-jaw structure, the outer diameters of the middle elastic clamping jaw and the trapezoid ends are not larger than the inner diameter of the cover pipe, and the longitudinal sections of the middle limiting block and the rear limiting block are of trapezoid structures; medical personnel can insert the trapezoidal end of disposable holder head end by the convex side of protection casing to the concave side of protection casing sliding, realizes the quick connect of protection casing and disposable holder under the card of well stopper and back stopper, convenient operation.
The front elastic clamping jaw is of a three-jaw structure, the inner diameter of the front elastic clamping jaw between the connecting rod and the anti-slip rib is gradually reduced, and the inner diameter of the front elastic clamping jaw at the other side of the anti-slip rib is gradually increased towards the head end of the front elastic clamping jaw; medical personnel can aim at the root of unused cotton swab with trapezoidal end, preceding elasticity clamping jaw, with disposable holder suit in the outside of cotton swab, utilize the elasticity clamping action of preceding elasticity clamping jaw, under the circumstances of not directly contacting the cotton swab safe and sanitary and quick convenient completion cotton swab and disposable holder's fixed connection.
The anti-slip ribs are composed of a plurality of annular groove structures which are arranged in an equal sequence along the axis of the disposable clamping piece; the trapezoid end can increase friction force between the disposable clamping piece and the cotton swab, so that the connection stability of the disposable clamping piece and the cotton swab is guaranteed.
Wherein the middle elastic clamping jaw is of a circular tube type structure; after the sampling is finished, medical staff can put the head end of the cotton swab clamped by the disposable clamping piece into the sampling tube, and then break the tail of the cotton swab clamped at the inner side of the front elastic clamping jaw under the support of the middle elastic clamping jaw.
The outer diameter of the rear elastic clamping jaw between the rear limiting block and the rear baffle plate is gradually increased, the inner side surface of the sliding ring is in sliding fit with the outer side surface of the rear elastic clamping jaw between the rear limiting block and the rear baffle plate, and the diameter of the rear baffle plate is not larger than the inner diameter of the cover pipe; medical staff can be at the throat swab collection after end double-fingered pulling sliding ring, make the back stopper adduction, promote the holding rod and make the holding rod remove to the concave surface side of protection casing, and then dismantle disposable holder and protection casing quick separation to discard disposable holder and the cotton swab that has disconnected of disposable holder centre gripping, and avoid polluting the convex surface side towards medical staff's protection casing.
The beneficial effects of the invention are as follows: the cover body of the limiting sleeve on the rear elastic clamping jaw can properly shield the face of a patient in the sampling process, meanwhile, the sight of medical staff is not shielded, the occupational exposure and infection probability is effectively reduced, the contact area between the protective cover and the disposable clamping piece can be increased by the cover tube, and shaking of the cover body on the disposable clamping piece is avoided; the antibacterial layer can effectively kill various microorganisms contained in body fluid splashed on the concave side surface of the cover body when a patient opens, so that the risk of virus transmission is reduced; the medical staff can slidingly insert the trapezoid end of the head end of the disposable clamping piece from the convex side face of the protective cover to the concave side face of the protective cover, and the protective cover is quickly connected with the disposable clamping piece under the clamping of the middle limiting block and the rear limiting block, so that the operation is convenient; the medical staff can align the axes of the trapezoid end and the front elastic clamping jaw with the root of the unused cotton swab, sleeve the disposable clamping piece on the outer side of the cotton swab, and safely, healthily, quickly and conveniently complete the fixed connection of the cotton swab and the disposable clamping piece under the condition that the cotton swab is not directly contacted by the elastic clamping action of the front elastic clamping jaw; the trapezoid end can increase the friction force between the disposable clamping piece and the cotton swab, so that the connection stability of the disposable clamping piece and the cotton swab is ensured; after the sampling is finished, medical staff can put the head end of the cotton swab clamped by the disposable clamping piece into the sampling tube, and then break the tail part of the cotton swab clamped at the inner side of the front elastic clamping jaw under the support of the middle elastic clamping jaw; medical staff can be at the throat swab collection after end double-fingered pulling sliding ring, make the back stopper adduction, promote the holding rod and make the holding rod remove to the concave surface side of protection casing, and then dismantle disposable holder and protection casing quick separation to discard disposable holder and the cotton swab that has disconnected of disposable holder centre gripping, and avoid polluting the convex surface side towards medical staff's protection casing.
None of the parts of the device are the same as or can be implemented using prior art.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of the present invention;
FIG. 2 is a schematic diagram of a second embodiment of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is an enlarged view of A in the present invention;
FIG. 5 is a cross-sectional view of the disposable clip of the present invention;
in the figure: 1. a protective cover; 101. a cover body; 102. a cover tube; 103. an antimicrobial layer; 2. a disposable clamping member; 201. a grip; 202. a rear baffle; 203. a rear elastic clamping jaw; 2031. a rear limiting block; 204. a slip ring; 205. a connecting rod; 206. a connecting plate; 207. a middle elastic clamping jaw; 2071. a middle limiting block; 208. a front elastic clamping jaw; 2081. a trapezoidal end; 2082. an anti-slip ridge.
Detailed Description
Referring to fig. 1-5, the present invention provides the following technical solutions: a safety isolation device for sampling of respiratory system comprises a protective cover (1) and a disposable clamping piece (2), wherein the protective cover (1) comprises a cover body (101) and a cover tube (102), and one end of the cover tube (102) is fixedly connected with the cover body
(101) The disposable clamping piece (2) comprises a holding rod (201), one end face of the holding rod (201) is fixedly connected with one end face of a rear baffle plate (202), the other end face of the rear baffle plate (202) is fixedly connected with a rear elastic clamping jaw (203) and a connecting rod (205), a rear limiting block (2031) is fixedly arranged on the outer side face of the rear elastic clamping jaw (203), a slip ring (204) is sleeved outside the rear elastic clamping jaw (203) between the rear limiting block (2031) and the rear baffle plate (202), one end of the connecting rod (205) is fixedly connected with one end of a connecting plate (206), the other end of the connecting plate (206) is fixedly connected with a front elastic clamping jaw (208), one end of the front elastic clamping jaw (208) far away from the connecting plate (206) is fixedly provided with a trapezoid end (2081), an inner side face of the trapezoid end (208) is fixedly connected with a middle end of the inner side face of an elastic clamping jaw (207), and the middle end of the middle elastic clamping jaw (207) faces the middle side of the trapezoid end (208) to the rear elastic clamping jaw (203).
The cover body (101) is of a colorless transparent umbrella-shaped structure, a through hole which is sleeved on the outer side of a rear elastic clamping jaw (203) between a rear limiting block (2031) and a middle limiting block (2071) in a sliding manner is formed in the axis of the cover body (101), the inner diameter of the cover tube (102) is the same as the diameter of the through hole formed in the cover body (101), the axes of the cover tube (102) and the cover body (101) are collinear, and the wall thickness of the cover body (101) plus the length of the cover tube (102) are equal to the length of the rear elastic clamping jaw (203) between the rear limiting block (2031) and the middle limiting block (2071); the cover body (101) of stop collar dress on back elasticity clamping jaw (203) can carry out suitable shielding to patient's face at the sample in-process, can not shelter from medical personnel's sight simultaneously, and the effectual probability that reduces occupational exposure and infection covers the area of contact of pipe (102) multiplicable protection casing (1) and disposable holder (2), avoids cover body (101) to produce rocking on disposable holder (2).
The concave side surface of the cover body (101) faces the face of a patient and faces away from the holding rod (201), and the antibacterial layer (103) formed by colorless transparent nano silver solution is sprayed on the concave side surface of the cover body (101); the antibacterial layer (103) can effectively kill various microorganisms contained in body fluid splashed on the concave side surface of the cover body (101) when a patient opens, and reduce the risk of virus transmission.
The rear elastic clamping jaw (203) and the middle elastic clamping jaw (207) are of a three-jaw structure, the outer diameters of the middle elastic clamping jaw (207) and the trapezoid end (2081) are not larger than the inner diameter of the cover tube (102), and the longitudinal sections of the middle limiting block (2071) and the rear limiting block (2031) are of trapezoid structures; medical staff can insert the trapezoid end (2081) of the head end of the disposable clamping piece (2) by the convex side of the protective cover (1) to the concave side of the protective cover (1) in a sliding mode, and the protective cover (1) and the disposable clamping piece (2) are connected quickly under the clamping of the middle limiting block (2071) and the rear limiting block (2031), so that operation is convenient.
The front elastic clamping jaw (208) is of a three-jaw structure, the inner diameter of the front elastic clamping jaw (208) between the connecting rod (205) and the anti-slip edge (2082) is gradually reduced, and the inner diameter of the front elastic clamping jaw (208) at the other side of the anti-slip edge (2082) is gradually increased towards the head end of the front elastic clamping jaw (208); medical staff can aim at the root of the unused cotton swab with trapezoidal end (2081), preceding elasticity clamping jaw (208), with disposable holder (2) suit in the outside of cotton swab, utilize the elasticity centre gripping effect of preceding elasticity clamping jaw (208), under the circumstances of not direct contact cotton swab safe and sanitary and quick convenient completion cotton swab and the fixed connection of disposable holder (2).
The anti-slip ribs (2082) are composed of a plurality of annular groove structures which are arranged along the axis of the disposable clamping piece (2) in an equal sequence; the trapezoid end (2081) can increase friction force between the disposable clamping piece (2) and the cotton swab, so that the connection stability of the disposable clamping piece (2) and the cotton swab is guaranteed.
The middle elastic clamping jaw (207) is of a circular tube type structure; after sampling is finished, medical staff can put the head end of the cotton swab clamped by the disposable clamping piece (2) into the sampling tube, and then break the tail of the cotton swab clamped at the inner side of the front elastic clamping jaw (208) under the support of the middle elastic clamping jaw (207).
The outer diameter of the rear elastic clamping jaw (203) between the rear limiting block (2031) and the rear baffle (202) is gradually increased, the inner side surface of the sliding ring (204) is in sliding fit with the outer side surface of the rear elastic clamping jaw (203) between the rear limiting block (2031) and the rear baffle (202), and the diameter of the rear baffle (202) is not larger than the inner diameter of the cover tube (102); medical staff can draw sliding ring (204) at the throat swab after gathering, makes back stopper (2031) adduction, promotes holding rod (201) and makes holding rod (201) to the concave surface side of protection casing (1) remove, and then with disposable holder (2) and protection casing (1) quick separation dismantlement to discard disposable holder (2) and the cotton swab that has been disconnected of disposable holder (2) centre gripping, and avoid polluting the convex surface side towards medical staff's protection casing (1).
The working principle and the using flow of the invention are as follows: medical staff firstly takes out disposable clamping pieces (2) of disposable packages from sterile packaging bags respectively, then opens the packaging bag mouth of a pharyngeal swab to be used, pushes the bag mouth downwards to enable a handle of the tail end of the swab to leak out a proper distance, then aligns the handle of the tail end of the swab with the center of a front elastic clamping jaw (208), slides to insert the swab into the inner side of the front elastic clamping jaw (208), at the moment, the inner wall of the front elastic clamping jaw (208) is extruded by the swab to expand outwards, the swab is elastically clamped, connection and fixation of the swab and the disposable clamping pieces (2) are completed, and a trapezoid end (2081) can increase friction force between the disposable clamping pieces (2) and a cotton swab, so that the disposable clamping pieces are guaranteed
(2) Stability of connection with the cotton swab; then medical staff slides and inserts the head end of the disposable clamping piece (2) clamping the swab together with the swab from the convex side of the protective cover (1) to the concave side of the protective cover (1), in the process, one side of the middle limiting block (2071) is extruded and retracted by the inner wall of the cover tube (102), after the cover tube (102) integrally slides onto the rear elastic clamping jaw (203) between the middle elastic clamping jaw (207) and the rear limiting block (2031), the middle limiting block (2071) is reset, and the clamping and limiting of the protective cover (1) are completed by matching with the rear limiting block (2031), so that the protective cover (1) and the disposable clamping piece (2) are connected into a whole; then an operator holds the holding rod (201) by hand, the concave side surface of the cover body (101) faces the person to be detected, and sampling is carried out according to the requirement; after the sampling is finished, the medical staff vertically inserts the head end of the swab into the sampling tube downwards, then breaks the tail part of the swab clamped at the inner side of the front elastic clamping jaw (208) under the support of the middle elastic clamping jaw (207), and covers the sampling tube in a rotating way; finally, medical staff can pull the sliding ring (204) by two fingers after the pharyngeal swab collection is finished, the outer side face of the rear limiting block (2031) is extruded by the sliding ring (204) to be retracted, then the holding rod (201) is pushed to enable the holding rod (201) to move towards the concave side face of the protective cover (1), and then the disposable clamping piece (2) and the protective cover (1) are rapidly separated and detached, and the disposable clamping piece (2) and the disconnected cotton swabs clamped by the disposable clamping piece (2) are discarded and collected.
Claims (8)
1. A safety isolation device for respiratory system sampling, characterized by: including protection casing and disposable holder, the protection casing includes the cover body and covers the pipe, the concave surface side of the one end fixed connection cover body of cover pipe, disposable holder includes the holding rod, the one end terminal surface of one end fixed connection backplate of holding rod, the other terminal surface fixedly connected with back elasticity clamping jaw and connecting rod of backplate, fixedly provided with back stopper on the lateral surface of back elasticity clamping jaw, the slip ring is equipped with to the outside slip cover of back elasticity clamping jaw between back stopper and the backplate, the one end of connecting rod fixed connection connecting plate, the other end fixedly connected with preceding elasticity clamping jaw of connecting plate, the one end fixed being equipped with trapezoidal end of preceding elasticity clamping jaw of trapezoidal end rear side has seted up the anti-skidding arris, the middle-end of elasticity clamping jaw medial surface in the lateral surface fixed connection of connecting plate, well elasticity clamping jaw towards the one end fixed stopper in the back elasticity clamping jaw.
2. A safety isolation device for respiratory sampling as claimed in claim 1, wherein: the cover body is colorless transparent umbrella-shaped structure, the through-hole in the outside of the back elasticity clamping jaw of slip cap dress between back stopper and well stopper has been seted up on the axis of the cover body, the internal diameter of cover pipe is the same with the diameter of the through-hole of seting up on the cover body, and cover pipe, the axis collineation of the cover body, the wall thickness of the cover body adds the length of cover pipe and equals the length of back elasticity clamping jaw between back stopper and the well stopper.
3. A safety isolation device for respiratory sampling as claimed in claim 1, wherein: the concave side of the cover body faces the face of the patient and faces away from the holding rod, and the antibacterial layer formed by colorless transparent nano silver solution is sprayed on the concave side of the cover body.
4. A safety isolation device for respiratory sampling as claimed in claim 1, wherein: the rear elastic clamping jaw and the middle elastic clamping jaw are of a three-jaw structure, the outer diameters of the middle elastic clamping jaw and the trapezoid ends are not larger than the inner diameter of the cover tube, and the longitudinal sections of the middle limiting block and the rear limiting block are of trapezoid structures.
5. A safety isolation device for respiratory sampling as claimed in claim 1, wherein: the front elastic clamping jaw is of a three-jaw structure, the inner diameter of the front elastic clamping jaw between the connecting rod and the anti-slip edge is gradually reduced, and the inner diameter of the front elastic clamping jaw at the other side of the anti-slip edge is gradually increased towards the head end of the front elastic clamping jaw.
6. A safety isolation device for respiratory sampling as claimed in claim 1, wherein: the anti-slip rib is composed of a plurality of annular groove structures which are arranged in an equal sequence along the axis of the disposable clamping piece.
7. A safety isolation device for respiratory sampling as claimed in claim 1, wherein: the middle elastic clamping jaw is of a circular tube type structure.
8. A safety isolation device for respiratory sampling as claimed in claim 1, wherein: the outer diameter of the rear elastic clamping jaw between the rear limiting block and the rear baffle plate is gradually increased, the inner side surface of the sliding ring is in sliding fit with the outer side surface of the rear elastic clamping jaw between the rear limiting block and the rear baffle plate, and the diameter of the rear baffle plate is not larger than the inner diameter of the cover pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110687443.2A CN113229859B (en) | 2021-06-22 | 2021-06-22 | Safety isolation device for sampling respiratory system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110687443.2A CN113229859B (en) | 2021-06-22 | 2021-06-22 | Safety isolation device for sampling respiratory system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113229859A CN113229859A (en) | 2021-08-10 |
| CN113229859B true CN113229859B (en) | 2024-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110687443.2A Active CN113229859B (en) | 2021-06-22 | 2021-06-22 | Safety isolation device for sampling respiratory system |
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| CN (1) | CN113229859B (en) |
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| MX2019014808A (en) * | 2017-06-14 | 2020-02-10 | Procter & Gamble | Oral sampling apparatus and uses thereof. |
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| US4283809A (en) * | 1979-11-05 | 1981-08-18 | Prost Claude D | Swab holding tool |
| WO2007140531A1 (en) * | 2006-06-05 | 2007-12-13 | Morrison Allan D | Swab automation device |
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