CN113520330A - OCT detects nasopharynx guide and includes its biopsy device - Google Patents
OCT detects nasopharynx guide and includes its biopsy device Download PDFInfo
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- CN113520330A CN113520330A CN202110969384.8A CN202110969384A CN113520330A CN 113520330 A CN113520330 A CN 113520330A CN 202110969384 A CN202110969384 A CN 202110969384A CN 113520330 A CN113520330 A CN 113520330A
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- 210000001989 nasopharynx Anatomy 0.000 title claims abstract description 19
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- 238000003780 insertion Methods 0.000 claims abstract description 43
- 230000037431 insertion Effects 0.000 claims abstract description 43
- 230000035515 penetration Effects 0.000 claims abstract description 24
- 238000001514 detection method Methods 0.000 claims abstract description 15
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- 238000012014 optical coherence tomography Methods 0.000 abstract description 53
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Images
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0062—Arrangements for scanning
- A61B5/0066—Optical coherence imaging
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/07—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements using light-conductive means, e.g. optical fibres
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/233—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the nose, i.e. nasoscopes, e.g. testing of patency of Eustachian tubes
-
- 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
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/06—Biopsy forceps, e.g. with cup-shaped jaws
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0082—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
- A61B5/0084—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for introduction into the body, e.g. by catheters
Abstract
The invention discloses an OCT (optical coherence tomography) detection nasopharynx introducer, which comprises a guide hard tube and a guide soft tube; a first guide channel and a second guide channel are formed inside the guide hard tube; one end of the first guide channel forms a first insertion opening, and the other end of the first guide channel forms a first penetration opening; one end of the second guide channel forms a second insertion opening, the other end of the second guide channel forms a second penetrating opening, and the second guide channel is suitable for the biopsy forceps to penetrate through and guide the biopsy forceps; an accommodating channel suitable for accommodating the OCT probe is formed inside the guiding hose, one end of the accommodating channel is closed, and the other end of the accommodating channel forms an access port; one end of the guide hose is connected with one end of the guide hard tube, and the access port of the accommodating channel is communicated with the first through port of the first guide channel. The invention also discloses a biopsy device comprising the OCT detection nasopharynx introducer. The invention can collect samples while observing and has the characteristics of high detection and collection efficiency.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an OCT (optical coherence tomography) nasopharyngeal darning guider and a biopsy device comprising the same.
Background
Optical interference Tomography (OCT) is an Optical imaging technique based on the principle of interference of weak coherent light, which obtains a two-dimensional or three-dimensional structure of biological tissue by detecting back-reflected or scattered signals of different tissues to incident weak coherent light. The OCT optical scanning probe obtains images through internal optical fiber guide wire rotation scanning, and the probe axial motion can scan layer by layer while the optical fiber guide wire rotates, so that richer image information can be obtained.
Nasopharyngeal biopsy is a commonly used method for confirming nasopharyngeal lesion, especially nasopharyngeal malignant tumor, and the pathological diagnosis of biopsy tissue is the final judgment standard. Prior art nasopharyngeal biopsy methods include transoral and transnasal nasopharyngeal biopsies. Assistant or patient oneself press down the tongue root with the tongue depressor, and the art person holds direct or indirect nasopharyngoscope with the left hand, and the nasopharynx biopsy forceps is held to the right hand, peeps clear pathological change position back, and nasopharynx biopsy forceps enters the oral cavity, gets into the nasopharynx chamber from uvula rear direction, opens the anterior segment clamp and gets the live body and detect, has following problem: sample collection can not be carried out while observation is carried out, and the detection and collection efficiency is low.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide an OCT (optical coherence tomography) nasopharyngeal detection guider and a biopsy device comprising the same, which can collect samples while observing and have the characteristics of high detection and collection efficiency.
The invention provides an OCT detection nasopharynx introducer in a first aspect, which comprises:
the guide hard tube is internally provided with a first guide channel and a second guide channel which are independent of each other along the axial direction; one end of the first guide channel is provided with a first insertion opening, and the other end of the first guide channel is provided with a first penetration opening; one end of the second guide channel forms a second insertion opening, and the other end of the second guide channel forms a second penetrating opening, and the second guide channel is suitable for a biopsy forceps to penetrate through and guide the biopsy forceps;
the OCT probe comprises a guide hose, a plurality of optical fibers and a plurality of optical fibers, wherein an accommodating channel suitable for accommodating the OCT probe is formed in the guide hose along the axis direction of the guide hose, one end of the accommodating channel is closed, and the other end of the accommodating channel forms an access port; one end of the guide hose is connected with one end of the guide hard tube, and the access port of the accommodating channel is communicated with the first penetration port of the first guide channel.
In the first aspect of the present invention, as a preferred embodiment, the present invention further includes a holding member for holding, and the holding member is connected to the guiding hard tube.
In the first aspect of the present invention, as a preferred embodiment, the grip includes a grip portion and a guide portion formed above the grip portion, and a third guide channel and a fourth guide channel which are independent of each other are formed inside the guide portion along an axial direction thereof;
one end of the third guide channel forms a third insertion port, and the other end of the third guide channel forms a third penetration port, and the third guide channel is suitable for the OCT probe to penetrate through and guide the OCT probe; a third penetrating port of the third guide channel is communicated with the first inserting port of the first guide channel;
one end of the fourth guide channel forms a fourth insertion opening, and the other end of the fourth guide channel forms a fourth penetrating opening, and the fourth guide channel is suitable for a biopsy forceps to penetrate through and guide; and a fourth penetrating port of the fourth guide channel is communicated with the second inserting port of the second guide channel.
In the first aspect of the present invention, as a preferred embodiment, the guiding rigid tube is detachably connected to the holding member.
In the first aspect of the present invention, as a preferred embodiment, the present invention further includes a transition piece, one end of the transition piece is connected to the holding piece, and the other end of the transition piece is connected to the guiding hard tube; a fifth guide channel and a sixth guide channel which are independent from each other are formed in the transition piece along the axial direction of the transition piece;
one end of the fifth guide channel forms a fifth insertion opening, and the other end of the fifth guide channel forms a fifth penetration opening, and the fifth guide channel is suitable for the OCT probe to penetrate through and guide; a fifth insertion opening of the fifth guide channel is communicated with a third penetration opening of the third guide channel, and a fifth penetration opening of the fifth guide channel is communicated with the first insertion opening of the first guide channel;
one end of the sixth guide channel forms a sixth insertion opening, and the other end of the sixth guide channel forms a sixth penetration opening, and the sixth guide channel is suitable for a biopsy forceps to penetrate through and guide; a sixth insertion opening of the sixth guide channel is communicated with a fourth penetration opening of the fourth guide channel, and a sixth penetration opening of the sixth guide channel is communicated with a second insertion opening of the second guide channel.
In the first aspect of the present invention, as a preferred embodiment, one end of the transition piece is detachably connected to the grip piece, and the other end of the transition piece is detachably connected to the guiding hard tube.
In the first aspect of the present invention, as a preferred embodiment, the guide hose is formed with a corrugated portion.
In the first aspect of the present invention, as a preferred embodiment, an inclined surface is formed at the second outlet of the second guide passage.
In the first aspect of the present invention, as a preferred embodiment, the guiding hose and the guiding hard tube are detachably connected.
The second purpose of the invention is realized by adopting the following technical scheme:
the biopsy device comprises an OCT detection nasopharynx introducer, a biopsy forceps and an OCT probe which are one of the purposes of the invention; the OCT probe penetrates out of the first guide channel and extends into the accommodating channel, and the forceps head of the biopsy forceps penetrates out of the second guide channel.
Compared with the prior art, the invention has the beneficial effects that: the OCT detection nasopharynx introducer comprises a guide hard tube and a guide soft tube, wherein a first guide channel and a second guide channel which are mutually independent are formed in the guide hard tube along the axis direction; the first guide channel is adapted to pass through and guide an OCT probe; a second guide channel adapted to pass and guide a bioptome; an accommodating channel suitable for accommodating the OCT probe is formed in the guiding hose along the axial direction of the guiding hose; by arranging the first guide channel and the second guide channel which are mutually independent, the OCT probe extends into the accommodating channel through the first guide channel, and the OCT optical scanning probe obtains images through the rotation scanning of the internal optical fiber guide wire, and in addition, the guide hose can flexibly change the bending angle and can be bent by 360 degrees; the second guide channel is used for passing through the biopsy forceps, and sample information of a specific part is acquired by drawing the biopsy forceps closed. Therefore, the invention can collect samples while observing and has the characteristics of high detection and collection efficiency.
Drawings
FIG. 1 is a perspective view of an OCT detection nasopharyngeal introducer according to a first embodiment;
FIG. 2 is another perspective view of an OCT detection nasopharyngeal introducer of the first embodiment;
FIG. 3 is a cross-sectional view of an OCT detection nasopharyngeal introducer of the first embodiment;
FIG. 4 is a perspective view of a grip of the first embodiment;
FIG. 5 is a perspective view of a transition piece according to the first embodiment;
FIG. 6 is a perspective view of a guide rigid tube according to the first embodiment;
FIG. 7 is a perspective view of a guide hose according to the first embodiment;
fig. 8 is a perspective view of the biopsy device according to the second embodiment.
In the figure:
100. OCT detects nasopharyngeal guide;
10. guiding the hard tube; 11. a first guide channel; 111. a first insertion port; 112. a first outlet; 12. A second guide channel; 121. a second insertion opening; 122. a second outlet;
20. a guide hose; 201. a wrinkle part; 21. an accommodating channel; 211. an access port;
30. a grip; 31. a grip portion; 32. a guide part; 321. a third guide channel; 3211. a third insertion opening; 3212. a third outlet; 322. a fourth guide channel; 3221. a fourth insertion opening; 3222. a fourth outlet;
40. a transition piece; 41. a fifth guide channel; 411. a fifth insertion opening; 412. a fifth outlet; 42. A sixth guide channel; 421. a sixth insertion opening; 422. a sixth penetration port;
200. a biopsy forceps; 210. a binding clip;
300. an OCT probe.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict. Except as specifically noted, the materials and equipment used in this example are commercially available. Examples of which are illustrated in the accompanying drawings, wherein like 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 drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. In the description of the present application, "a plurality" means two or more unless specifically stated otherwise.
In the description of the present application, it should be noted that unless otherwise specifically stated or limited, the terms "connected," "communicating," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a connection through an intervening medium, a connection between two elements, or an interaction between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
The terms "first," "second," and the like in the description and in the claims of the present application and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example one
Referring to fig. 1 to 7, an OCT detecting nasopharyngeal introducer 100 is provided in one embodiment, which includes an introducing hard tube 10 and an introducing soft tube 20;
specifically, the interior of the guide rigid tube 10 is formed with a first guide passage 11 and a second guide passage 12 which are independent from each other in the axial direction thereof; one end of the first guide channel 11 forms a first insertion opening 111, and the other end forms a first exit opening 112, the first guide channel 11 is suitable for the OCT probe to pass through and guide; one end of the second guide channel 12 forms a second insertion opening 121, and the other end thereof forms a second exit opening 122, the second guide channel 12 being adapted to allow a biopsy forceps to pass therethrough and guide the biopsy forceps;
specifically, the inside of the guiding hose 20 is formed with an accommodating channel 21 adapted to accommodate the OCT probe along its axial direction, one end of the accommodating channel 21 is closed, and the other end thereof forms an access 211; one end of the guiding hose 20 is connected to one end of the guiding hard tube 10, and the inlet 211 of the receiving channel 21 is communicated with the first outlet 112 of the first guiding channel 11. Preferably, the guiding tube 20 can be made of transparent material, or can be a transparent region corresponding to a part of the OCT probe.
On the basis of the structure, the OCT probe extends into the accommodating channel 21 through the first guide channel 11 by arranging the first guide channel 11 and the second guide channel 12 which are independent from each other, and the OCT optical scanning probe obtains an image through the rotation scanning of the internal optical fiber guide wire, and in addition, the guide hose 20 can flexibly change the bending angle and can be bent by 360 degrees; the second guide channel 12 is for passage of a biopsy forceps, which collects site specific sample information by pulling closed. Therefore, the embodiment can collect the sample while observing, and has the characteristics of high detection and collection efficiency.
In the preferred embodiment of the present invention, in order to facilitate the holding and ensure the stability and accuracy of the operation, the OCT detecting nasopharynx introducer 100 of the present embodiment further includes a holding member 30 for holding, and the holding member 30 is connected to the guiding hard tube 10.
In the preferred embodiment of the present invention, the grip 30 includes a grip portion 31 and a guide portion 32 formed above the grip portion 31;
specifically, the grip portion 31 is a handle that can touch a plurality of sub-grip portions arranged in the up-down direction, and each sub-grip portion can take a shape that is adapted to the shape of the corresponding finger pad. For example, the number of the sub-holding parts is four, and the shapes of the four sub-holding parts from top to bottom are sequentially matched with the shapes of the finger bellies from the index finger to the little finger, so that the user can hold the handle conveniently, the holding comfort is improved, and the relative sliding between the hand of the user and the handle is effectively avoided.
Specifically, the inside of the guide part 32 is formed with a third guide passage 321 and a fourth guide passage 322 independent of each other in the axial direction thereof;
further, one end of the third guide channel 321 forms a third insertion opening 3211, and the other end thereof forms a third exit opening 3212, the third guide channel 321 is adapted to pass through and guide the OCT probe; the third penetrating port 3212 of the third guide passage 321 communicates with the first insertion port 111 of the first guide passage 11; in this way, the third guiding channel 321 can guide the OCT probe into the first guiding channel 11, which is convenient for installing the OCT probe on one hand and guiding and positioning the OCT probe on the other hand.
Further, one end of the fourth guide channel 322 forms a fourth insertion opening 3221, and the other end thereof forms a fourth penetration opening 3222, and the fourth guide channel 322 is adapted to allow the biopsy forceps to pass therethrough and guide the same; the fourth outlet 3222 of the fourth guide channel 322 communicates with the second insertion port 121 of the second guide channel 12. In this way, the fourth guide channel 322 can guide the biopsy forceps into the second guide channel 12, which facilitates the installation of the biopsy forceps on the one hand and the guiding and positioning of the biopsy forceps on the other hand.
In the preferred embodiment of the present invention, the guiding rigid tube 10 is detachably connected to the holding member 30. Specifically, the two can be connected in a detachable manner such as a snap connection, a threaded connection, an insertion connection and the like. In this way, the guiding rigid tube 10 can be designed to be disposable, so as to be convenient for timely replacement.
In the preferred embodiment of the present invention, the present invention further comprises a transition piece 40, one end of the transition piece 40 is connected to the holding member 30, and the other end thereof is connected to the guiding hard tube 10;
specifically, the interior of the transition piece 40 is formed with a fifth guide passage 41 and a sixth guide passage 42, which are independent of each other, in the axial direction thereof;
further, one end of the fifth guide channel 41 forms a fifth insertion opening 411, and the other end thereof forms a fifth exit opening 412, the fifth guide channel 41 is adapted to pass and guide the OCT probe; the fifth insertion port 411 of the fifth guide passage 41 communicates with the third penetration port 3212 of the third guide passage 321, and the fifth penetration port 412 of the fifth guide passage 41 communicates with the first insertion port 111 of the first guide passage 11; in this way, the fifth guide channel 41 can guide the OCT probe passing through the third guide channel 321 into the first guide channel 11, which is convenient for installing the OCT probe on the one hand and guiding and positioning the OCT probe on the other hand.
Further, one end of the sixth guide channel 42 forms a sixth insertion opening 421, and the other end thereof forms a sixth penetration opening 422, and the sixth guide channel 42 is adapted to pass and guide a biopsy forceps; the sixth insertion opening 421 of the sixth guide channel 42 communicates with the fourth outlet 3222 of the fourth guide channel 322, and the sixth outlet 422 of the sixth guide channel 42 communicates with the second insertion opening 121 of the second guide channel 12. In this way, the sixth guide channel 42 can guide the biopsy forceps passing through the fourth guide channel 322 into the second guide channel 12, which facilitates the installation of the biopsy forceps on the one hand and the guiding and positioning of the biopsy forceps on the other hand.
In the preferred embodiment of the present invention, one end of the transition piece 40 is detachably connected to the grip 30, and the other end is detachably connected to the guiding pipe 10. Specifically, the two can be connected in a detachable manner such as a snap connection, a threaded connection, an insertion connection and the like. In this way, the guiding rigid tube 10 can be designed to be disposable, so as to be convenient for timely replacement.
In the preferred embodiment of the present invention, the guide hose 20 is formed with a corrugated portion 201. Thus, the guiding hose 20 can be formed into a bent tube structure.
In the preferred embodiment of the present invention, the second outlet 122 of the second guide passage 12 is formed with an inclined surface. Therefore, a better guiding effect can be achieved, and the second penetrating port 122 is prevented from forming a sharp part to hurt human tissues.
In the preferred embodiment of the present invention, the guiding hose 20 is detachably connected to the guiding pipe 10. Specifically, the two can be connected in a detachable manner such as a snap connection, a threaded connection, an insertion connection and the like. Therefore, the guiding hose 20 and the guiding hard tube 10 can be designed to be disposable, so that the replacement is convenient in time.
In the preferred embodiment of the present invention, the outer diameter of the guiding tube 20 is 4mm, the distance from the folded part 201 of the guiding tube 20 to the closed end of the guiding tube 20 is 15mm, the outer diameter of the guiding hard tube 10 is 7.3mm, and the total length of the OCT testing nasopharyngeal guide is 280 mm.
Example two
The second embodiment is an improvement based on the first embodiment.
Referring to fig. 3 and 8, a second embodiment provides a biopsy device, including the OCT detecting nasopharynx introducer 100, the biopsy forceps 200, and the OCT probe 300 of the first embodiment; the OCT probe 300 extends out of the first guide channel 11 into the receiving channel 21, and the jaw 210 of the biopsy forceps 200 extends out of the second guide channel 12. The OCT probe and the biopsy forceps can adopt the existing conventional structure, for example, the OCT probe is an OCT optical scanning probe, images are obtained by rotationally scanning the OCT optical scanning probe through an internal optical fiber guide wire, and sample information of a specific part is acquired by drawing and closing the biopsy forceps.
While only certain features and embodiments of the application have been illustrated and described, many modifications and changes may occur to those skilled in the art (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the scope and spirit of the invention in the claims.
Finally, it should be noted that: the above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention should not be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. An OCT detection nasopharyngeal guide, comprising:
the guide hard tube is internally provided with a first guide channel and a second guide channel which are independent of each other along the axial direction; one end of the first guide channel is provided with a first insertion opening, and the other end of the first guide channel is provided with a first penetration opening; one end of the second guide channel forms a second insertion opening, and the other end of the second guide channel forms a second penetrating opening, and the second guide channel is suitable for a biopsy forceps to penetrate through and guide the biopsy forceps;
the OCT probe comprises a guide hose, a plurality of optical fibers and a plurality of optical fibers, wherein an accommodating channel suitable for accommodating the OCT probe is formed in the guide hose along the axis direction of the guide hose, one end of the accommodating channel is closed, and the other end of the accommodating channel forms an access port; one end of the guide hose is connected with one end of the guide hard tube, and the access port of the accommodating channel is communicated with the first penetration port of the first guide channel.
2. The OCT detecting nasopharynx introducer of claim 1, further comprising a grip for gripping, the grip being connected to the guiding rigid tube.
3. The OCT-detecting nasopharynx introducer of claim 2, wherein the grip comprises a grip portion and a guide portion formed above the grip portion, and the guide portion has an inner portion formed with a third guide channel and a fourth guide channel that are independent of each other along an axial direction thereof;
one end of the third guide channel forms a third insertion port, and the other end of the third guide channel forms a third penetration port, and the third guide channel is suitable for the OCT probe to penetrate through and guide the OCT probe; a third penetrating port of the third guide channel is communicated with the first inserting port of the first guide channel;
one end of the fourth guide channel forms a fourth insertion opening, and the other end of the fourth guide channel forms a fourth penetrating opening, and the fourth guide channel is suitable for a biopsy forceps to penetrate through and guide; and a fourth penetrating port of the fourth guide channel is communicated with the second inserting port of the second guide channel.
4. The OCT detecting nasopharynx introducer of claim 2, wherein the guide rigid tube is detachably connected to the holding member.
5. The OCT detecting nasopharynx introducer of claim 3, further comprising a transition piece connected to the grip at one end and to the guiding hard tube at another end; a fifth guide channel and a sixth guide channel which are independent from each other are formed in the transition piece along the axial direction of the transition piece;
one end of the fifth guide channel forms a fifth insertion opening, and the other end of the fifth guide channel forms a fifth penetration opening, and the fifth guide channel is suitable for the OCT probe to penetrate through and guide; a fifth insertion opening of the fifth guide channel is communicated with a third penetration opening of the third guide channel, and a fifth penetration opening of the fifth guide channel is communicated with the first insertion opening of the first guide channel;
one end of the sixth guide channel forms a sixth insertion opening, and the other end of the sixth guide channel forms a sixth penetration opening, and the sixth guide channel is suitable for a biopsy forceps to penetrate through and guide; a sixth insertion opening of the sixth guide channel is communicated with a fourth penetration opening of the fourth guide channel, and a sixth penetration opening of the sixth guide channel is communicated with a second insertion opening of the second guide channel.
6. The OCT test nasopharyngeal introducer of claim 5, wherein said transition piece is removably connected at one end to said grip and at another end to said guide tube.
7. The OCT detecting nasopharynx introducer of claim 1, wherein the guiding tube has a fold formed thereon.
8. The OCT detecting nasopharynx introducer of claim 1, wherein the second exit port of the second guide channel is formed with an inclined surface.
9. The OCT detecting nasopharynx introducer of claim 1, wherein the guiding tube is detachably connected to the guiding hard tube.
10. A biopsy device comprising the OCT detecting nasopharyngeal guide, biopsy forceps, and OCT probe of any one of claims 1-9; the OCT probe penetrates out of the first guide channel and extends into the accommodating channel, and the forceps head of the biopsy forceps penetrates out of the second guide channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110969384.8A CN113520330A (en) | 2021-08-23 | 2021-08-23 | OCT detects nasopharynx guide and includes its biopsy device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110969384.8A CN113520330A (en) | 2021-08-23 | 2021-08-23 | OCT detects nasopharynx guide and includes its biopsy device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113520330A true CN113520330A (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110969384.8A Pending CN113520330A (en) | 2021-08-23 | 2021-08-23 | OCT detects nasopharynx guide and includes its biopsy device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113520330A (en) |
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2021
- 2021-08-23 CN CN202110969384.8A patent/CN113520330A/en active Pending
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