CN115299861B - Intelligent diagnosis system for nasopharyngeal carcinoma and nasopharyngoscope thereof - Google Patents

Intelligent diagnosis system for nasopharyngeal carcinoma and nasopharyngoscope thereof Download PDF

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CN115299861B
CN115299861B CN202211076388.4A CN202211076388A CN115299861B CN 115299861 B CN115299861 B CN 115299861B CN 202211076388 A CN202211076388 A CN 202211076388A CN 115299861 B CN115299861 B CN 115299861B
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nasopharyngoscope
fixedly connected
air
fixing block
plug cylinder
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CN115299861A (en
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张水兴
张斌
张璐
方进
莫笑开
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First Affiliated Hospital of Jinan University
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First Affiliated Hospital of Jinan University
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    • 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
    • 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
    • A61B1/04—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 combined with photographic or television appliances

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Abstract

The invention relates to the field of nasopharyngeal diagnosis equipment, in particular to an intelligent nasopharyngeal carcinoma diagnosis system and a nasopharyngoscope thereof. In order to solve the problems that the nasopharyngoscope with two independent cavities is thick and is not easy to pass through the narrowed area of the nasopharynx part, and the medicine spraying treatment is directly carried out on the nasopharynx part of the patient through the cannula, so that the quantity and the uniformity of the medicine spraying are not easy to control. The invention provides an intelligent diagnosis system for nasopharyngeal carcinoma and a nasopharyngoscope thereof, wherein the nasopharyngoscope comprises a central cable, an isolating membrane and the like; an isolation film is arranged on the central cable. In the nasopharyngoscope, the size of the air suction chamber and the air blowing chamber can be automatically changed by the isolating membrane according to functions, the air bag expands and expands a swollen sac region of the nasopharyngoscope, the nasopharyngoscope can conveniently and smoothly pass through the swollen sac region, corresponding medicines are sprayed into the air bag through external air blowing equipment, and then the medicines are uniformly sprayed on the nasopharyngoscope of a patient through the full-plug assembly and the half-plug assembly on the air bag.

Description

Intelligent diagnosis system for nasopharyngeal carcinoma and nasopharyngoscope thereof
Technical Field
The invention relates to the field of nasopharyngeal diagnosis equipment, in particular to an intelligent nasopharyngeal carcinoma diagnosis system and a nasopharyngoscope thereof.
Background
Early symptoms of nasopharyngeal carcinoma are not obvious and can be ignored easily, so that patients diagnosed in outpatient service are frequently seen as nasopharyngeal carcinoma in middle and late stages, and nasopharyngeal carcinoma is primarily diagnosed by visual inspection on the nasopharynx part by using a nasopharyngoscope, and most of nasopharyngeal carcinoma abnormalities can be detected by the nasopharyngoscope due to the fact that tumor characteristics grow in the nasopharynx cavity in multiple directions.
In the process of using a nasopharyngoscope to carry out diagnosis work, dirt of the nasopharyngoscope needs to be sucked and removed, and a lens is prevented from being blocked, for example, the nasopharyngoscope disclosed by patent CN210810914U has the function of sucking and removing the dirt of the nasopharyngoscope, and can spray medicine to the nasopharyngoscope of a patient according to the state of an illness during diagnosis, two functions are carried out at one time, however, because the nasopharyngoscope is internally divided into two independent cavities, the whole size of an intubation tube of the nasopharyngoscope is thicker than that of a conventional nasopharyngoscope, if the nasopharyngoscope of the patient grows with a swelling bag, the nasopharyngoscope becomes narrow and is difficult to pass through, the subsequent inspection work on the throat part of the patient and the corresponding medicine feeding work are influenced, and in the medicine feeding period, because the intubation tube of the nasopharyngoscope is longer, medicine spraying treatment is directly carried out on the nasopharyngoscope of the patient through the intubation tube, the amount and the uniformity of medicine spraying are not easy to control, and the treatment effect on the nasopharyngoscope of the patient is influenced.
Disclosure of Invention
In order to overcome the defects that the nasopharyngoscope with two independent cavities is thick in volume and is not easy to pass through a narrowed area of the nasopharynx part, and the medicine spraying amount and uniformity of the medicine spraying are not easy to control by directly spraying the medicine to the nasopharynx part of a patient through a cannula.
The technical scheme is as follows: an intelligent diagnosis system for nasopharyngeal carcinoma is characterized by comprising the following working procedures:
s1: removing the dirt on the nasopharynx part of the patient, and sucking the dirt on the nasopharynx part of the patient through dirt sucking equipment to avoid shielding the camera and influencing the imaging of the camera;
s2: and (3) examining a swelling sac: whether an obvious swelling sac appears in the interior of the nasopharynx part of the patient is checked through imaging of a camera on the nasopharyngoscope;
s3, on the basis of S2, if obvious swollen sacs appear in the nasopharynx of the patient, the swollen sacs and surrounding soft tissue structures of the swollen sacs of the nasopharynx of the patient need to be expanded, so that the intubation tube of the nasopharyngoscope can smoothly pass through the swollen sac area;
s4: visual inspection, which is to image and inspect whether an abnormal area appears in the nasopharynx part of a patient through a camera on a nasopharyngoscope;
s5: on the basis of S4, if obvious abnormal areas of the nasopharynx of the patient are found, corresponding medicines are sprayed to the abnormal areas of the nasopharynx of the patient.
A nasopharyngoscope comprises a grab handle, an insertion tube, an air bag, an inner fixing block, a camera, an outer fixing block, a central cable, an isolation membrane, a suction mechanism, a full plug assembly and a half plug assembly; a main cable is arranged inside the grab handle; the upper side of the grab handle is communicated with an upper air pipe; the lower side of the grab handle is communicated with a lower air pipe; the right side of the grab handle is fixedly connected with an insertion pipe; the outer surface of the right side of the intubation is fixedly connected with an air bag; an inner fixed block is fixedly connected inside the right side of the insertion pipe; the right side of the inner fixed block is fixedly connected with a camera; a light source is integrated on the camera; an outer fixed block is fixedly connected between the right end of the insertion tube and the camera; the inner part of the inner fixed block is connected with an air suction mechanism; the right side of the air suction mechanism is connected with an outer fixed block; a central cable is fixedly connected between the grab handle and the inner fixed block; the camera transmits signals to the bus cable through the electric connection center cable; an isolation film is fixedly connected to the central cable; the upper side and the lower side of the inner cavity of the cannula are respectively divided into an air suction chamber and an air blowing chamber by the isolating film through the two fixing strips on the front side and the rear side; the upper side of the air bag is provided with a plurality of full plug assemblies; each full plug assembly is connected with the insertion pipe; the lower side of the air sac is provided with a plurality of half plug assemblies which are used for communicating the lower side of the inner cavity of the intubation tube with the inner cavity of the air sac.
As an improvement of the scheme, the right end of the insertion pipe is arranged to be of a downward bent structure.
As an improvement of the proposal, the air suction mechanism comprises a conduit, an annular pipe and a suction pipe; a conduit is fixedly connected inside the inner fixed block; the right end of the guide pipe is communicated with an annular pipe; a plurality of suction pipes are fixedly connected around the edge of the outer fixed block; the left ends of all the suction pipes are communicated with the annular pipe together.
As an improvement of the scheme, the air bag is provided with a plurality of pressure relief hole structures which are communicated with the cavity and the outside air.
As an improvement of the scheme, the front side and the rear side of the central cable are respectively fixedly connected with a plurality of soft frameworks; each soft framework is fixedly connected with an isolation membrane.
As the improvement of the scheme, the full-plug assembly comprises an upper fixing block, a first plug cylinder and a first spring; the outer surface of the insertion pipe is fixedly connected with an upper fixing block; the inner part of the upper fixing block is connected with a first plug cylinder in a sliding manner; a first spring is fixedly connected between the first plug cylinder and the upper fixing block; a plurality of first through hole structures are arranged around the upper side of the upper fixing block; the middle part of the first plug cylinder is provided with an upper air hole structure; a plurality of second through hole structures communicated with the upper air holes are formed around the lower side of the first plug cylinder; the first plug cylinder is fixedly connected with the air bag.
As an improvement of the scheme, the half plug assembly comprises a lower fixing block, a second plug cylinder and a second spring; the outer surface of the insertion pipe is fixedly connected with a lower fixing block; a second plug cylinder is connected inside the lower fixing block in a sliding manner; a second spring is fixedly connected between the second plug cylinder and the lower fixing block; a plurality of through groove structures which are communicated with the lower side of the inner cavity of the intubation tube and the inner cavity of the air bag are arranged on the outer surface of the lower fixing block in a surrounding manner; a third through hole structure is arranged on the lower side of each through groove structure of the lower fixing block; the middle part of the second plug cylinder is provided with a lower air hole; a plurality of fourth through hole structures communicated with the lower air holes are formed around the lower side of the second plug cylinder; the second plug cylinder is fixedly connected with the air bag.
As an improvement of the scheme, one end of the first plug cylinder, which is far away from the cannula, is provided with a hemispherical structure, and the hemispherical structure of the first plug cylinder is higher than the air bag.
As an improvement of the scheme, one end of the second plug cylinder, which is far away from the cannula, is provided with a hemispherical structure, and the hemispherical structure of the second plug cylinder is higher than the air bag.
Has the advantages that: the nasopharyngoscope of the invention is according to the job procedure of the intellectual diagnostic system of nasopharyngeal carcinoma, carry on the filth cleaning work of nasopharynx, swollen sac check work, visual inspection work and corresponding medicine feeding work to the patient successively, in the nasopharyngoscope of the invention, the cavity upside and cavity underside of the intubation are divided into suction chamber and blowing chamber separately by the barrier film, the barrier film can change the size of suction chamber and blowing chamber automatically according to the function, therefore the intubation of the nasopharyngoscope does not need to occupy the larger volume, in carrying on the filth cleaning work of nasopharynx, the external dirt absorbing apparatus sucks the filth of nasopharynx into suction chamber of the intubation through the suction mechanism, the space volume of the suction chamber is far greater than the space volume of the blowing chamber at this moment, and suck the filth away by the external dirt absorbing apparatus, when the pick-up head checks that the nasopharynx of the patient has swollen sac, external gas blowing equipment goes into and out of gas to the gas blowing chamber of intubate, make the space volume of gas blowing chamber far away more than the space volume of the chamber of breathing in, gas gasbag expands the region that patient's nasopharynx portion has the gall bag to prop open simultaneously, make things convenient for the nasopharyngoscope to pass through the gall bag district smoothly, when the camera inspection to patient's nasopharynx portion abnormal area appears, only need to move the gasbag to the abnormal area of patient's nasopharynx portion, spout corresponding medicine into the gasbag through external gas blowing equipment, by on the gasbag full stopper subassembly and half stopper subassembly with medicine even spraying at patient's nasopharynx portion again, it is thicker to realize being equipped with the nasopharyngoscope volume of two independent cavitys in having solved, the difficult region that narrows down through the nasopharynx portion, and directly carry out the medicine spraying processing to patient's nasopharynx portion through the intubate, the technical problem of the volume and homogeneity that the difficult control medicine sprayed.
Drawings
FIG. 1 is a schematic perspective view of the present application;
FIG. 2 is a cross-sectional view of the cannula of the present application;
FIG. 3 is a perspective view of the handle of the present application;
fig. 4 is a schematic perspective view of a camera according to the present application;
FIG. 5 is a schematic perspective view of a separator according to the present application;
FIG. 6 is a perspective view of the suction mechanism of the present application;
fig. 7 is a schematic perspective view of the suction mechanism and the camera head of the present application;
FIG. 8 is a perspective view of the bladder of the present application;
FIG. 9 is a cross-sectional view of the full plug assembly of the present application;
FIG. 10 is a perspective view of a half plug assembly of the present application;
FIG. 11 is a cross-sectional view of the half plug assembly of the present application;
fig. 12 is a working procedure of the intelligent nasopharyngeal carcinoma diagnosis system of the present application.
Number designation in the figures: 1-grab handle, 11-total cable, 12-upper trachea, 13-lower trachea, 2-intubation tube, 21-inhalation chamber, 22-blowing chamber, 3-airbag, 31-cavity, 32-pressure relief hole, 4-inner fixing block, 5-camera, 51-light source, 6-outer fixing block, 7-central cable, 8-isolation membrane, 81-fixing strip, 82-soft framework, 91-catheter, 92-annular tube, 93-suction tube, 101-upper fixing block, 1011-first through hole, 102-first plug cylinder, 1021-upper air hole, 1022-second through hole, 103-first spring, 201-lower fixing block, 2011-through groove, 2012-third through hole, 202-second plug cylinder, 2021-lower air hole, 2022-fourth through hole, 203-second spring.
Detailed Description
The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present application. The conditions used in the examples may be further adjusted according to the conditions of the particular manufacturer, and the conditions not specified are generally the conditions in routine experiments.
Examples
A nasopharyngoscope, as shown in fig. 1-11, comprises a handle 1, an insertion tube 2, an air bag 3, an inner fixing block 4, a camera 5, an outer fixing block 6, a central cable 7, an isolation membrane 8, a suction mechanism, a full plug assembly and a half plug assembly; a main cable 11 is arranged inside the grab handle 1; the upper side of the grab handle 1 is communicated with an upper air pipe 12; a lower air pipe 13 is communicated with the lower side of the grab handle 1; the right side of the grab handle 1 is fixedly connected with an insertion pipe 2; the right end of the cannula 2 is arranged to be of a downward bent structure; the outer surface of the right side of the cannula 2 is fixedly connected with an air bag 3; the air bag 3 is provided with a plurality of pressure relief holes 32 which are communicated with the cavity 31 and the outside air; an inner fixing block 4 is fixedly connected inside the right side of the insertion tube 2; the right side of the inner fixed block 4 is fixedly connected with a camera 5; a light source 51 is integrated on the camera 5; an outer fixed block 6 is fixedly connected between the right end of the insertion tube 2 and the camera 5; the inner fixing block 4 is internally connected with an air suction mechanism; the right side of the air suction mechanism is connected with an outer fixed block 6; a central cable 7 is fixedly connected between the grab handle 1 and the inner fixing block 4; the left end of the central cable 7 is electrically connected with the bus cable 11; the right end of the central cable 7 is electrically connected with the camera 5; an isolation film 8 is fixedly connected to the central cable 7; the front side and the rear side of the central cable 7 are respectively fixedly connected with a plurality of soft frameworks 82; each soft framework 82 is fixedly connected with an isolation membrane 8; the front side and the rear side of the isolation film 8 are respectively fixedly connected with the intubation tube 2 through a fixing strip 81; the upper side of the air bag 3 is provided with a plurality of full plug assemblies; each full plug component is connected with the insertion pipe 2; a plurality of half plug assemblies are arranged on the lower side of the air bag 3; the space under the inner cavity of the cannula 2 is communicated with the cavity 31 inside the balloon 3 through the half plug assembly.
As shown in fig. 5 and 6, the suction mechanism includes a duct 91, an annular tube 92, and a suction pipe 93; a conduit 91 is fixedly connected inside the inner fixed block 4; an annular pipe 92 is connected to the right end of the guide pipe 91; a plurality of suction pipes 93 are fixedly connected around the edge of the outer fixed block 6; the left ends of all the suction pipes 93 jointly open into the annular pipe 92.
As shown in fig. 8 and 9, the full plug assembly includes an upper fixing block 101, a first plug cylinder 102 and a first spring 103; the outer surface of the insertion tube 2 is fixedly connected with an upper fixing block 101; a first plug cylinder 102 is connected to the inside of the upper fixing block 101 in a sliding manner; a first spring 103 is fixedly connected between the first plug cylinder 102 and the upper fixing block 101; a plurality of first through hole 1011 structures are arranged around the upper side of the upper fixing block 101; the middle part of the first plug cylinder 102 is provided with an upper air hole 1021 structure; a plurality of second through holes 1022 communicated with the upper air holes 1021 are formed around the lower side of the first plug cylinder 102; the end of the first plug barrel 102 away from the cannula 2 is arranged in a hemispherical structure, and the hemispherical structure of the first plug barrel 102 is higher than the air bag 3.
As shown in fig. 8, 10 and 11, the half plug assembly includes a lower fixing block 201, a second plug cylinder 202 and a second spring 203; the outer surface of the insertion tube 2 is fixedly connected with a lower fixing block 201; a second plug cylinder 202 is connected inside the lower fixing block 201 in a sliding manner; a second spring 203 is fixedly connected between the second plug cylinder 202 and the lower fixing block 201; a plurality of through grooves 2011 structure which are communicated with the lower side of the inner cavity of the cannula 2 and the inner cavity 31 of the air bag 3 are arranged around the outer surface of the lower fixing block 201; a third through hole 2012 structure is formed on the lower side of each through groove 2011 structure of the lower fixing block 201; the middle part of the second plug cylinder 202 is provided with a lower air hole 2021; a plurality of fourth through holes 2022 structures communicated with the lower air holes 2021 are formed around the lower side of the second plug cylinder 202; the end of the second plug 202 away from the cannula 2 is arranged in a hemispherical structure, and the hemispherical structure of the second plug 202 is higher than the balloon 3.
As shown in figure 12, the nasopharyngoscope of the present invention performs the nasopharynx filth cleaning work, the swollen sac inspection work, the visual inspection work and the corresponding medicine work on the patient in sequence according to the working procedure of the intelligent diagnosis system for nasopharyngeal carcinoma, in the swollen sac inspection work, when the swollen sac of the nasopharynx of the patient is inspected, the swollen sac of the nasopharynx of the patient needs to be expanded, so that the nasopharyngoscope can smoothly pass through the nasopharynx of the patient, and in the subsequent visual inspection work, when the abnormal region of the nasopharynx of the patient is inspected by the nasopharyngoscope, the corresponding medicine spraying work needs to be performed on the abnormal region of the nasopharynx.
When using this nasopharyngoscope, earlier with the external soil pick-up device of upper portion trachea 12, with the external gas blowing equipment of lower part trachea 13, with the external nasopharyngeal carcinoma check out test set of total cable 11, medical personnel hold grab handle 1 control intubate 2 and insert patient's nasopharyngeal darcinoma during, under light source 51's illumination, the patient's nasopharyngeal darcinoma image that camera 5 will shoot, convey to external nasopharyngeal carcinoma check out test set through central cable 7 and bus cable 11, observe the nasopharyngeal carcinoma check out test set demonstration image by medical personnel and carry out visual inspection work to patient's nasopharyngeal darcinoma, barrier film 8 divides the inner chamber upside and the inner chamber downside of intubate 2 into suction chamber 21 and gas blowing chamber 22 respectively, barrier film 8 in intubate 2 can change the size of suction chamber 21 and gas blowing chamber 22 by oneself according to the function, consequently, intubate 2 of this nasopharyngoscope need not to occupy great volume.
In the process that the intubation tube 2 enters the nasopharynx of a patient, the external dirt suction device generates suction in the suction chamber 21 through the upper trachea 12, so that the suction tube 93 sucks dirt passing through the area in the nasopharynx into the annular tube 92, and then the dirt in the annular tube 92 sequentially enters the dirt suction device through the guide tube 91, the suction chamber 21 and the upper trachea 12, at the moment, because the space volume of the suction chamber 21 is far larger than that of the air blowing chamber 22, the dirt sucked away by the suction tube 93 can smoothly enter the dirt suction device through the suction chamber 21, and the dirt cleaning work on the nasopharynx is efficiently completed.
During cannula 2 continuously stretches into patient's nasopharynx, when medical personnel discover that there is the gall bladder in the nasopharynx through camera 5, medical personnel control cannula 2 and drive the surface of gasbag 3 and hug closely the gall bladder and wrap up the soft tissue structure around the gall bladder, medical personnel close external dirt suction equipment afterwards, and open external gas blowing equipment, gas blowing equipment blows in gas through lower part trachea 13 to gas blowing chamber 22, gas props up barrier film 8 upwards, soft skeleton 82 is along with the middle part bending deformation of barrier film 8 upwards simultaneously, the convenience is in the equipment end work later stage of blowing, the soft skeleton 82 of deformation drives barrier film 8 through deformation elastic force and resets downwards, barrier film 8 is after bending deformation upwards, the space volume of gas blowing chamber 22 is far greater than the space volume of air suction chamber 21, gas in gas blowing chamber 22 gets into cavity 31 through logical groove, because the right-hand member of barrier film 8 is fixed the restriction by interior fixed block 4, therefore the right side bending deformation degree of barrier film 8 is far less than its left bending deformation degree, the space in gas blowing chamber 22 is the state of right contraction right-hand side, consequently, gas gets into the gas bag in 2011 room 3 and the gas bag and the gasbag structure that the air bag can be stretched out smoothly, thereby the whole soft tissue that the intubate stretches out the inflation bag 3, thereby the soft tissue can be realized that the inflation bag expands.
When a medical worker finds that an abnormal area exists in a nasopharynx part through the camera 5, the medical worker sends medicine powder with a specified dosage into the air blowing chamber 22 through an external air blowing device, the medicine enters the cavity 31 through the through groove 2011 along with air flow, redundant air is discharged from the pressure relief holes 32 in all directions of the air bag 3, meanwhile, the medical worker instructs a patient to open the mouth, the air is discharged out of the body through the oral cavity of the patient, the medicine powder is uniformly dispersed in the cavity 31 under the condition of continuous stirring of the air flow entering the cavity 31, then, the medical worker improves the air pressure of the air delivered into the air blowing chamber 22 by the external air blowing device, the air is in the process of opening the air bag 3, the air bag 3 drives the first plug cylinder 102 to move outwards along the upper fixing block 101, the first plug cylinder 102 stretches outwards by the first spring 103 until the second through hole 1022 of the first through hole 1011 is communicated with the second through hole 1011, the air bag 3 drives the second plug cylinder 202 to move outwards along the lower fixing block 201, the second spring 203 drives the second spring 203 to stretch outwards until the second through hole 202 is communicated with the second through hole 2022 of the fourth through hole 2021, the fourth through hole 2022, the medicine powder is uniformly sprayed out of the through hole 2021, and the fourth through hole 2022, the four-way through hole 2022, the medicine powder spraying hole 2021, the spraying hole 2022 is uniformly sprayed out of the four-way through hole 202, and the spraying hole 2021, and the spraying hole 2022, and the spraying hole 2023.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (7)

1. A nasopharyngoscope, characterized by: comprises a grab handle (1), an insertion tube (2) and an air bag (3); the right side of the grab handle (1) is fixedly connected with an insertion pipe (2); the outer surface of the right side of the insertion pipe (2) is fixedly connected with an air bag (3); the device also comprises an inner fixed block (4), a camera (5), an outer fixed block (6), a central cable (7), an isolation film (8), an air suction mechanism, a full plug assembly and a half plug assembly; a main cable (11) is arranged inside the grab handle (1); the upper side of the grab handle (1) is communicated with an upper air pipe (12); the lower side of the grab handle (1) is communicated with a lower air pipe (13); an inner fixed block (4) is fixedly connected inside the right side of the insertion pipe (2); the right side of the inner fixed block (4) is fixedly connected with a camera (5); a light source (51) is integrated on the camera (5); an outer fixed block (6) is fixedly connected between the right end of the insertion tube (2) and the camera (5); the inner part of the inner fixed block (4) is connected with an air suction mechanism; the right side of the air suction mechanism is connected with an outer fixed block (6); a central cable (7) is fixedly connected between the grab handle (1) and the inner fixing block (4); the camera (5) transmits signals to the bus cable (11) through the electric connection center cable (7); an isolation film (8) is fixedly connected to the central cable (7); the isolating film (8) divides the upper side and the lower side of the inner cavity of the insertion tube (2) into an air suction chamber (21) and an air blowing chamber (22) through two fixing strips (81) on the front side and the rear side respectively; the upper side of the air bag (3) is provided with a plurality of full plug assemblies; each full plug component is connected with the insertion pipe (2); a plurality of half plug assemblies for communicating the lower side of the inner cavity of the cannula (2) with the inner cavity (31) of the air sac (3) are arranged on the lower side of the air sac (3);
the full-plug assembly comprises an upper fixing block (101), a first plug cylinder (102) and a first spring (103); the outer surface of the insertion pipe (2) is fixedly connected with an upper fixing block (101); a first plug cylinder (102) is connected inside the upper fixing block (101) in a sliding manner; a first spring (103) is fixedly connected between the first plug cylinder (102) and the upper fixing block (101); a plurality of first through hole (1011) structures are arranged around the upper side of the upper fixing block (101); the middle part of the first plug cylinder (102) is provided with an upper air hole (1021) structure; a plurality of second through hole (1022) structures communicated with the upper air hole (1021) are formed around the lower side of the first plug cylinder (102); the first plug cylinder (102) is fixedly connected with the air bag (3);
the half plug assembly comprises a lower fixing block (201), a second plug cylinder (202) and a second spring (203); the outer surface of the insertion pipe (2) is fixedly connected with a lower fixing block (201); a second plug cylinder (202) is connected inside the lower fixing block (201) in a sliding manner; a second spring (203) is fixedly connected between the second plug cylinder (202) and the lower fixing block (201); a plurality of through groove (2011) structures which are communicated with the lower side of the inner cavity of the cannula (2) and the inner cavity (31) of the air bag (3) are arranged around the outer surface of the lower fixing block (201); a third through hole (2012) structure is respectively arranged at the lower side of each through groove (2011) structure of the lower fixing block (201); the middle part of the second plug cylinder (202) is provided with a lower air hole (2021); a plurality of fourth through hole (2022) structures communicated with the lower air hole (2021) are arranged around the lower side of the second plug cylinder (202); the second plug cylinder (202) is fixedly connected with the air bag (3);
the nasopharyngoscope is used for a nasopharyngeal carcinoma intelligent diagnosis system, and comprises the following working procedures:
s1: removing the dirt on the nasopharynx part of the patient, and sucking the dirt on the nasopharynx part of the patient through dirt sucking equipment to avoid shielding the camera and influencing the imaging of the camera;
s2: and (3) examining a swelling sac: checking whether an obvious swollen sac appears in the interior of the nasopharynx of the patient through imaging of a camera on the nasopharyngoscope;
s3, on the basis of S2, if obvious swollen sacs appear in the nasopharynx of the patient, the swollen sacs and surrounding soft tissue structures of the swollen sacs of the nasopharynx of the patient need to be expanded, so that the intubation tube of the nasopharyngoscope can smoothly pass through the swollen sac area;
s4: visual inspection, which is to image and inspect whether an abnormal area appears in the nasopharynx part of a patient through a camera on a nasopharyngoscope;
s5: on the basis of S4, if obvious abnormal areas of the nasopharynx of the patient are found, corresponding medicines are sprayed to the abnormal areas of the nasopharynx of the patient.
2. A nasopharyngoscope according to claim 1, wherein: the right end of the insertion pipe (2) is arranged in a downward bent structure.
3. A nasopharyngoscope according to claim 1, wherein: the air suction mechanism comprises a conduit (91), an annular pipe (92) and a suction pipe (93); a conduit (91) is fixedly connected inside the inner fixing block (4); an annular pipe (92) is communicated with the right end of the guide pipe (91); a plurality of suction pipes (93) are fixedly connected around the edge of the outer fixed block (6); the left ends of all the suction pipes (93) are communicated with the annular pipe (92) together.
4. A nasopharyngoscope according to claim 1, wherein: the air bag (3) is provided with a plurality of pressure relief hole (32) structures which are communicated with the cavity (31) and the outside air.
5. A nasopharyngoscope according to claim 1, wherein: the front side and the rear side of the central cable (7) are respectively fixedly connected with a plurality of soft frameworks (82); each soft framework (82) is fixedly connected with an isolation membrane (8).
6. A nasopharyngoscope according to claim 1, wherein: one end of the first plug cylinder (102) far away from the cannula (2) is arranged to be a hemisphere structure, and the hemisphere structure of the first plug cylinder (102) is higher than the air bag (3).
7. A nasopharyngoscope according to claim 1, wherein: one end of the second plug cylinder (202) far away from the cannula (2) is arranged to be a hemispherical structure, and the hemispherical structure of the second plug cylinder (202) is higher than the air bag (3).
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CN204445797U (en) * 2015-01-16 2015-07-08 上海安清医疗器械有限公司 Nasopharyngeal endoscope
US20180146839A1 (en) * 2015-06-24 2018-05-31 The Regents Of The University Of Colorado, A Body Corporate Multi-use scope
CN209734014U (en) * 2017-08-24 2019-12-06 江苏省肿瘤医院 Ultrasonic three-dimensional scanning micro nasopharyngoscope
CN210810914U (en) * 2019-07-02 2020-06-23 贵州省人民医院 Nasopharyngoscope
CN111759261B (en) * 2020-07-08 2021-04-13 江苏省肿瘤医院 Nasopharyngoscope capable of being washed
CN112401820B (en) * 2020-11-19 2022-10-21 苏州法兰克曼医疗器械有限公司 Portable nasopharyngoscope with medicine injection function and use method thereof

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