CN112998761B - Geometric centering type flexible nasal swab - Google Patents
Geometric centering type flexible nasal swab Download PDFInfo
- Publication number
- CN112998761B CN112998761B CN202110168672.3A CN202110168672A CN112998761B CN 112998761 B CN112998761 B CN 112998761B CN 202110168672 A CN202110168672 A CN 202110168672A CN 112998761 B CN112998761 B CN 112998761B
- Authority
- CN
- China
- Prior art keywords
- conical
- section
- connecting block
- rod
- nasal swab
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005070 sampling Methods 0.000 claims abstract description 56
- 238000005452 bending Methods 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 210000003928 nasal cavity Anatomy 0.000 abstract description 13
- 210000001331 nose Anatomy 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 210000003097 mucus Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
Images
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
Abstract
The invention discloses a geometric centering type flexible nasal swab which comprises a handheld rod, wherein one end of the handheld rod is provided with a cylindrical section and a conical section, the cylindrical section is communicated with the conical section, the conical section is arranged close to one end of the handheld rod, and the small end of the conical section is arranged downwards; one end of the sampling rod is provided with a sampling head, the other end of the sampling rod is provided with a conical connecting block, the conical connecting block is accommodated in the conical section, and the conical connecting block is used for being in interference fit with the conical section; the elastic piece is accommodated in the cylindrical section, one end of the elastic piece is connected with the handheld rod, the other end of the elastic piece is connected with the conical connecting block, and the elastic piece is used for driving the conical connecting block to be inserted into the conical section. The toper connecting block that sets up on the thief rod can be in the toper section activity for the thief rod can be rotated by hand the pole relatively, can get into along nasal cavity passageway when the thief rod inserts the nasal cavity, and the toper connecting block cooperates with the toper section under the drive of elastic component, makes the axis of thief rod and the axis collineation of hand the pole.
Description
Technical Field
The invention relates to the technical field of sampling tools, in particular to a geometric centering type flexible nasal swab.
Background
The nasal swab is a tool for collecting mucus containing cells in the nasal cavity, and is widely applied at present.
The existing nasal swab is of an integrated structure, so that the nasal swab is integrally rigid, the inner wall of the nasal cavity is possibly stabbed when nasal mucus is collected, and medical personnel need to be more mild and more careful, so that the nasal swab is inconvenient to use; in addition, split type nose swab includes handheld pole and thief rod, and the articulated handheld pole of thief rod uses up the back when split type nose swab, and handheld pole and thief rod probably can not resume the collinear state of axis, need angle of adjustment when the container of remaining cell is inserted to nose swab, and is inconvenient.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. To this end, the invention proposes a geometrically centered flexible nasal swab, the sampling rod of which is rotatable relative to the hand-held rod and which, in its natural state, returns to a state of alignment with the axis of the hand-held rod.
According to the embodiment of the first aspect of the invention, the geometric centering type flexible nasal swab comprises a handheld rod, wherein one end of the handheld rod is provided with a mounting cavity, the mounting cavity comprises a cylindrical section and a conical section, and the small end of the conical section is arranged downwards; one end of the sampling rod is provided with a sampling head, the other end of the sampling rod is provided with a conical connecting block, the conical connecting block is accommodated in the conical section, and the conical connecting block is used for being in interference fit with the conical section; the elastic piece is accommodated in the cylindrical section, one end of the elastic piece is connected with the handheld rod, the other end of the elastic piece is connected with the conical connecting block, and the elastic piece is used for driving the conical connecting block to be inserted into the conical section.
The geometric centering type flexible nasal swab disclosed by the embodiment of the invention has at least the following beneficial effects: the conical connecting block arranged on the sampling rod can move in the conical section, so that the sampling rod can rotate relative to the handheld rod, the sampling rod can enter along a nasal cavity channel when being inserted into a nasal cavity, and after the sampling rod is used up, the conical connecting block is matched with the conical section under the driving of the elastic piece, so that the axis of the sampling rod and the axis of the handheld rod are collinear, and the geometric centering type flexible nasal swab is convenient to store and is subsequently cut off the sampling rod.
According to some embodiments of the invention, the cross section of the cylindrical section is circular or polygonal, and the cross section of the conical section is arranged corresponding to the cross section of the cylindrical section, so that the conical connecting block can move in the cylindrical section and the conical section conveniently.
According to some embodiments of the invention, the sampling rod further comprises a sliding block, the sliding block is slidably connected in the cylindrical section, one end of the sliding block is connected with the other end of the elastic piece, the other end of the sliding block is used for abutting against the conical connecting block, the sliding block is arranged for fully contacting the conical connecting block, the elastic piece is prevented from contacting the conical connecting block alone to cause slippage, and therefore the axis of the sampling rod and the axis of the handheld rod are not collinear.
According to some embodiments of the invention, one of the inner wall of the cylindrical section and the sliding block is provided with a sliding groove, and the other one of the inner wall of the cylindrical section and the sliding block is provided with a clamping block, the clamping block can be clamped into the sliding groove, the sliding block and the clamping block are arranged to prevent the sliding block from rotating in the cylindrical section, and the sliding block and the clamping block also have a guiding function, so that the moving direction of the conical connecting block in the cylindrical section is along the axial direction of the hand-held rod.
According to some embodiments of the invention, one of the other end of the sliding block and the conical connecting block is provided with a cambered concave part, the other end of the sliding block is provided with a cambered convex part, the cambered convex part is used for being inserted into the cambered concave part, the arranged cambered concave part is matched with the cambered convex part, the cambered convex part can rotate in the cambered concave part, and the cambered concave part can accommodate the cambered convex part, so that the collinear alignment of the axis of the handheld rod and the axis of the sampling rod is facilitated.
According to some embodiments of the invention, the elastic member is a compression spring, a rubber block or a disc spring, which is easy to obtain and convenient to install and use.
According to some embodiments of the invention, the sampling rod is provided with a fracture which can break the sampling rod, so that a sample stained on the sampling rod can be conveniently stored.
According to some embodiments of the invention, the outer peripheral wall of the sampling rod is provided with a plurality of bending concave parts, and the bending concave parts are used for reducing the bending strength of the sampling rod, so that the sampling rod can be conveniently bent in the nasal cavity, and excessive pushing feeling can not be caused on the inner wall of the nasal cavity.
According to some embodiments of the invention, the hand-held rod is provided with a gripping recess, the gripping recess being arranged to facilitate gripping for sampling.
According to some embodiments of the invention, the other end of the hand-held stem is provided with a snap ring, which is arranged for insertion of a finger, preventing the geometrically centered flexible nasal swab from falling off after sampling is completed.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a cross-sectional view of a burst diagram of a geometrically centered flexible nasal swab of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the geometrically centered flexible nasal swab shown in FIG. 1;
FIG. 3 is an exploded view of the geometrically centered flexible nasal swab shown in FIG. 1;
FIG. 4 is a schematic structural view of the geometrically centered flexible nasal swab shown in FIG. 1;
fig. 5 is a schematic structural view of the concave and convex arcs of the geometrically centered flexible nasal swab shown in fig. 1.
A hand-held rod 100, a cylindrical section 110, a conical section 120, a gripping recess 130, a retaining ring 140;
the sampling rod 200, the sampling head 210, the conical connecting block 220, the break-off port 230 and the bending concave part 240;
the elastic piece 300 and the sliding block 400;
a cambered concave part 510, a cambered convex part 520;
a sliding groove 610 and a fixture block 620.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and more than, less than, more than, etc. are understood as excluding the present number, and more than, less than, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 5, a geometric centering type flexible nasal swab comprises a handheld rod 100, wherein one end of the handheld rod is provided with a mounting cavity, the mounting cavity comprises a cylindrical section 110 and a conical section 120, and the small end of the conical section 120 is arranged downwards; a sampling rod 200, one end of which is provided with a sampling head 210 and the other end of which is provided with a conical connecting block 220, wherein the conical connecting block 220 is accommodated in the conical section 120, and the conical connecting block 220 is used for interference fit with the conical section 120; and an elastic member 300 accommodated in the cylindrical section 110, wherein one end of the elastic member 300 is connected to the hand-held lever 100, and the other end is connected to the tapered connecting block 220, and the elastic member 300 is used for driving the tapered connecting block 220 to be inserted into the tapered section 120. The conical connecting block 220 arranged on the sampling rod 200 can move in the conical section 120, so that the sampling rod 200 can rotate relative to the handheld rod 100, the sampling rod 200 can enter along a nasal cavity channel when being inserted into a nasal cavity, and after the sampling rod 200 is used up, the conical connecting block 220 is matched with the conical section 120 under the driving of the elastic piece 300, so that the axis of the sampling rod 200 and the axis of the handheld rod 100 are collinear, and the geometric centering type flexible nasal swab is convenient to store and the sampling rod 200 is subsequently cut off. It can be understood that the small end of the conical section 120 is used as an open end, the conical connecting block 220 moves towards the open end in the conical section 120, the outer peripheral wall of the conical connecting block 220 and the inner peripheral wall of the conical section 120 are in closer contact, and finally the axes of the conical connecting block 220 and the conical section 120 are gradually corrected by the conical surface, so that the axes of the conical connecting block 220 and the conical section 120 are collinear. When the conical connection block 220 moves towards the large end of the conical section 120, the conical connection block 220 is separated from the conical section 120 and enters the cylindrical section 110, the conical connection block 220 can move in the cylindrical section 110, and at the moment, the conical connection block 220 can swing within a certain angle range, so that the sampling rod 200 can be conveniently inserted into the nasal cavity. It will be appreciated that the diameter of the large end of the tapered connector block 220 is less than the diameter of the cylindrical section 110.
In some embodiments, the cross-section of the cylindrical section 110 is circular or polygonal, and the cross-section of the conical section 120 is configured to correspond to the cross-section of the cylindrical section 110, so as to facilitate movement of the conical connection block 220 in the cylindrical section 110 and the conical section 120.
In some embodiments, the sampling rod further comprises a sliding block 400, the sliding block 400 is slidably connected in the cylindrical section 110, one end of the sliding block 400 is connected with the other end of the elastic member 300, the other end of the sliding block 400 is used for abutting against the conical connecting block 220, and the sliding block 400 is arranged for sufficiently contacting the conical connecting block 220 to prevent the independent elastic member 300 from contacting the conical connecting block 220 to cause slippage, so that the axis of the sampling rod 200 and the axis of the hand-held rod 100 are not collinear.
In some embodiments, one of the inner walls of the slider 400 and the cylindrical section 110 is provided with a sliding slot 610, the other one is provided with a latch 620, the latch 620 can be latched into the sliding slot 610, the slider 400 and the latch 620 are provided to prevent the slider 400 from rotating in the cylindrical section 110, and the slider 400 and the latch 620 also have a guiding function, so that the moving direction of the tapered connecting block 220 in the cylindrical section 110 is along the axial direction of the hand-held rod 100.
In some embodiments, one of the tapered connecting block 220 and the other end of the slider 400 is provided with a concave arc 510, the other is provided with a convex arc 520, the convex arc 520 is used for being inserted into the concave arc 510, the concave arc 510 and the convex arc 520 are matched, the convex arc 520 can rotate in the concave arc 510, the concave arc 510 can accommodate the convex arc 520, the collinear alignment of the axis of the hand-held rod 100 and the axis of the sampling rod 200 is facilitated, and it can be understood that the convex arc 520 can also rotate in the concave arc 510, and the rotation of the sampling rod 200 is facilitated.
In some embodiments, the elastic member 300 is a compression spring, a rubber block, or a disc spring, which is easily available and convenient to install and use.
In some embodiments, the sampling rod 200 is provided with a fracture 230, and the fracture 230 can be used to fracture the sampling rod 200, so as to facilitate the preservation of the sample taken from the sampling rod 200, and it is understood that the fracture 230 is a fracture 230 around the circumference of the sampling rod 200.
In some embodiments, the outer circumferential wall of the sampling rod 200 is provided with a plurality of bending recesses 240, and the bending recesses 240 are arranged to reduce the bending strength of the sampling rod 200, so as to facilitate the bending of the sampling rod 200 in the nasal cavity without causing excessive pushing feeling to the inner wall of the nasal cavity, and it can be understood that the bending recesses 240 are arranged on the outer circumferential wall of the sampling rod 200.
In some embodiments, a grip recess 130 is provided on the handheld wand 100, the grip recess 130 being provided to facilitate gripping of the sample.
In some embodiments, the other end of the hand-held wand 100 is provided with a snap ring 140, the snap ring 140 being provided for finger insertion to prevent the geometrically centered flexible nasal swab from falling off after sampling is complete.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. A geometrically centered flexible nasal swab, comprising:
the handheld rod is provided with a mounting cavity at one end, the mounting cavity comprises a cylindrical section and a conical section, and the small end of the conical section is arranged downwards;
the sampling rod is provided with a sampling head at one end and a conical connecting block at the other end, the conical connecting block is accommodated in the conical section and is used for being in interference fit with the conical section, and the conical connecting block arranged on the sampling rod can move in the conical section, so that the sampling rod can rotate relative to the handheld rod;
the elastic piece is accommodated in the cylindrical section, one end of the elastic piece is connected with the handheld rod, the other end of the elastic piece is connected with the conical connecting block, the elastic piece is used for driving the conical connecting block to be inserted into the conical section, and the conical connecting block is matched with the conical section under the driving of the elastic piece, so that the axis of the sampling rod is collinear with the axis of the handheld rod.
2. The geometrically centered flexible nasal swab as recited in claim 1, wherein: the cross section of the cylindrical section is circular or polygonal.
3. The geometrically centered flexible nasal swab as recited in claim 1, wherein: still include the slider, slider sliding connection is in the cylindricality section, the one end of slider is connected the elastic component the other end, the other end of slider is used for the butt the toper connecting block.
4. The geometrically centered flexible nasal swab as set forth in claim 3, wherein: one of the inner wall of the cylindrical section and the sliding block is provided with a sliding groove, and the other one of the inner wall of the cylindrical section and the sliding block is provided with a clamping block which can be clamped into the sliding groove.
5. The geometrically centered flexible nasal swab as recited in claim 4, wherein: one of the other end of the sliding block and the conical connecting block is provided with an arc concave part, and the other end of the sliding block is provided with an arc convex part which is inserted into the arc concave part.
6. The geometrically centered flexible nasal swab as recited in claim 1, wherein: the elastic part is a pressure spring, a rubber block or a disc spring.
7. The geometrically centered flexible nasal swab as recited in claim 1, wherein: and a fracture is arranged on the sampling rod.
8. The geometrically centered flexible nasal swab as recited in claim 1, wherein: the outer peripheral wall of the sampling rod is provided with a plurality of bending concave parts.
9. The geometrically centered flexible nasal swab as recited in claim 1, wherein: the handheld rod is provided with a gripping recess.
10. The geometrically centered flexible nasal swab as recited in claim 1, wherein: the other end of the hand-held rod is provided with a buckling ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110168672.3A CN112998761B (en) | 2021-02-07 | 2021-02-07 | Geometric centering type flexible nasal swab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110168672.3A CN112998761B (en) | 2021-02-07 | 2021-02-07 | Geometric centering type flexible nasal swab |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112998761A CN112998761A (en) | 2021-06-22 |
| CN112998761B true CN112998761B (en) | 2022-05-13 |
Family
ID=76384364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110168672.3A Expired - Fee Related CN112998761B (en) | 2021-02-07 | 2021-02-07 | Geometric centering type flexible nasal swab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112998761B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5129402A (en) * | 1991-02-19 | 1992-07-14 | Accu-Med Corporation | Apparatus for collecting and/or growing protected biological specimens |
| CN207356091U (en) * | 2017-04-07 | 2018-05-15 | 曹树军 | Rectum sampler |
| CN111134732A (en) * | 2020-01-15 | 2020-05-12 | 高婷婷 | Cervical mucus swab |
| CN211409168U (en) * | 2019-12-20 | 2020-09-04 | 郑州市中心医院 | Vaginal secretion sampling device |
| CN212037598U (en) * | 2020-07-17 | 2020-12-01 | 上海市嘉定区安亭医院 | Nasopharynx swab sampling pipe |
| CN112220499A (en) * | 2020-10-30 | 2021-01-15 | 珠海市人民医院 | Sampling rod in limiting connection |
| CN212438674U (en) * | 2020-04-10 | 2021-02-02 | 郑州大学第一附属医院 | Clamping separable type detection kit for new coronavirus throat swab |
-
2021
- 2021-02-07 CN CN202110168672.3A patent/CN112998761B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5129402A (en) * | 1991-02-19 | 1992-07-14 | Accu-Med Corporation | Apparatus for collecting and/or growing protected biological specimens |
| CN207356091U (en) * | 2017-04-07 | 2018-05-15 | 曹树军 | Rectum sampler |
| CN211409168U (en) * | 2019-12-20 | 2020-09-04 | 郑州市中心医院 | Vaginal secretion sampling device |
| CN111134732A (en) * | 2020-01-15 | 2020-05-12 | 高婷婷 | Cervical mucus swab |
| CN212438674U (en) * | 2020-04-10 | 2021-02-02 | 郑州大学第一附属医院 | Clamping separable type detection kit for new coronavirus throat swab |
| CN212037598U (en) * | 2020-07-17 | 2020-12-01 | 上海市嘉定区安亭医院 | Nasopharynx swab sampling pipe |
| CN112220499A (en) * | 2020-10-30 | 2021-01-15 | 珠海市人民医院 | Sampling rod in limiting connection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112998761A (en) | 2021-06-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2011274390B2 (en) | Insertion tool for tangless spiral coil insert | |
| US8151671B2 (en) | Tool adaptor | |
| CN201524110U (en) | Rotary hemostatic clip | |
| JP5722338B2 (en) | Screw delivery system | |
| EP1359363A3 (en) | Tube coupling | |
| TWM500658U (en) | Tool bits and tool bit holders with floating magnet sleeves | |
| US6412373B1 (en) | Operating tool having shanks turnable relative to one another | |
| US9447803B1 (en) | AO quick connect interface | |
| CN112998761B (en) | Geometric centering type flexible nasal swab | |
| KR200461856Y1 (en) | Manual Driver for Medical | |
| WO2002022314A1 (en) | A screw guider of driver | |
| US9458890B1 (en) | Square quick connect interface | |
| CN210631299U (en) | Operating forceps with flushing and sucking functions | |
| CN215017954U (en) | Flexible protective nose swab | |
| CN209903077U (en) | Insulating torque wrench | |
| US20220117527A1 (en) | Puncturing tool for small animals | |
| CN213665490U (en) | Anorectal anastomat with adjustable handle | |
| CN213616396U (en) | Screwdriver with stabilizer bar | |
| CN209996441U (en) | Medical quick-change handle | |
| CN109199566B (en) | Pedicle screw feeding device | |
| CN218086913U (en) | Connecting assembly for kit | |
| CN112998764B (en) | Flexible self-taking type nasal swab | |
| TWI761104B (en) | Cold knife holder capable of pushing and pulling operation | |
| CN220158432U (en) | Broken screw extractor | |
| CN218566298U (en) | Anti-riot baton |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220513 |