CN204562076U - Nasopharyngeal endoscope - Google Patents
Nasopharyngeal endoscope Download PDFInfo
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- CN204562076U CN204562076U CN201520128045.7U CN201520128045U CN204562076U CN 204562076 U CN204562076 U CN 204562076U CN 201520128045 U CN201520128045 U CN 201520128045U CN 204562076 U CN204562076 U CN 204562076U
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- insertion tube
- interior pipe
- inner tube
- handle
- photographic head
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Abstract
This utility model relates to a kind of nasopharyngeal endoscope, comprise insertion tube, photographic head, light source, handle and display part, photographic head and light source are located at the front end of insertion tube, the rearward end connecting handle of insertion tube, the rearward end of handle is communicated with display part, and display part is connected with photographic head and light source by the circuit of the inside of insertion tube; Interior pipe is also provided with, as the access way of imbibition passage or elongated shape apparatus in insertion tube; The inner tube outlet of interior pipe is located at the front end face of insertion tube, and the inner tube inlet of interior pipe is located on the periphery wall of handle or insertion tube.This utility model structure is simple, easy to use, can treat, reduce the injury to patient while checking the nasopharynx part of patient to the focus found.
Description
Technical field
This utility model relates to medical instruments field, particularly a kind of nasopharyngeal endoscope can treated the focus found while checking the nasopharynx part of patient.
Background technology
Nasopharyngeal endoscope be widely used at present nasopharynx position check medical apparatus and instruments, belong to the one of endoscope, check simple and safe operation, can carry out in outpatient service and without the need to be in hospital.
Conventional nasopharyngeal endoscope comprises fibre optic nasopharyngoscope and Electronic Nose pharyngoscope.Such as, Chinese invention patent application CN103156570 discloses a kind of optical fiber ear conchoscope, it adopts optical fiber as biography as medium, in the mode of range estimation, patient is observed, primary structure is: the hard tube mirror of coaxial connection and eyepiece, hard tube mirror comprises the pillar, the image transmission optical fibre silk for image transmitting that are provided with light-measuring hole, and for receiving the Optic transmission fiber silk of peripheral light source.
The primary structure of Electronic Nose pharyngoscope comprises insertion tube, photographic head, light source, handle and controls display module, the front end of insertion tube arranges photographic head and light source, the rearward end connecting handle of insertion tube, handle rear end is communicated with control display module, and photographic head is connected with control display module by the wire in insertion tube with light source.During use, the image of photographic head shooting can in the display screen display controlling display module.
No matter above-mentioned nasopharyngeal endoscope, be fibre optic nasopharyngoscope or Electronic Nose pharyngoscope, in use just play observation effect, can not apply treatment means while observation.
Specifically, the inspection of nasopharyngeal endoscope needs usually through two steps.First, carry out after nasopharynx topical anesthesia until patient, nasopharyngeal endoscope is sent into bottom nasal cavity through prenaris, more slowly enters nasopharynx part, observe nasopharynx part situation in detail; When finding pathological changes, nasopharyngeal endoscope being taken out, the medical apparatus and instruments being used for removing focus being sent into bottom nasal cavity through the prenaris of patient again, more slowly enters nasopharynx part, removing focus, completed treatment.
In existing nasopharyngeal endoscope diagnosis and treatment process, the structure of traditional nasopharyngeal endoscope has following defect: 1) owing to needing the nasal cavity of medical apparatus and instruments from patient to stretch into, and foreign body sensation is comparatively strong, can cause certain injury to patient; 2) because Clinics and Practices needs separately to carry out, therefore each diagnosis and treatment need at least twice to be sent into from the nasal cavity of patient by medical apparatus and instruments, and the injury caused patient is larger; 3) when diagnosis completes the treatment of laggard row, often clearly cannot observe the situation of the nasopharynx part of patient, certain impact is produced on the effect for the treatment of; 4) in diagnostic observation process, the dirts such as the blood of intranasal often can shelter from photographic head, are unfavorable for that medical personnel do further observation, affect diagnostic result.
Chinese invention patent application CN103948430 discloses a kind of conchoscope of the tumor operation that hypophysectomizes for transnaso-sphenoidal approach, this patent application adopts suction hole to remove blockage, primary structure is: comprise mirror body and eyepiece, wherein mirror body comprises pillar, image delivering system and image adjustment knob, image delivering system is located in pillar, the front end that eyepiece is located at pillar is connected with image delivering system, the rear portion of mirror body is located at by image adjustment knob, pillar is provided with suction hole and connector, suction hole is positioned at the top of eyepiece, connector is positioned at nearly image adjustment knob place, tubule is provided with near tube wall place in pillar, this tubule UNICOM suction hole and connector, connector is connected with Electric negative pressure suction device by pipeline, attraction control knob is also provided with at connector place.
Although the suction hole of this patent application can remove some liquid stopping camera lens (eyepiece), because this suction hole is on the periphery wall of the pillar being arranged at camera lens rear, suction hole directly cannot will stop that the liquid of camera lens is absorbed clean; And the position of suction hole is directly adjacent to or againsts nasal wall, nasal wall is distributed with a large amount of blood capillary, the suction that suction hole produces not only can cause great sense of discomfort to patient, also can damage nasal wall or cause capillary rupture, increasing the weight of the state of an illness.
To sum up, nasopharyngeal endoscope of the prior art, cannot carry out affected part treatment in observation process simultaneously, also under observation effectively cannot remove the blockage of block vision.
Utility model content
The purpose of this utility model is to provide a kind of nasopharyngeal endoscope, comprise insertion tube, photographic head, light source, handle and display part, photographic head and light source are located at the front end of insertion tube, the rearward end connecting handle of insertion tube, the rearward end of handle is communicated with display part, display part is connected with photographic head by the circuit of insertion tube inside, interior pipe is also provided with in insertion tube, as the access way of imbibition passage or elongated shape apparatus, the inner tube outlet of interior pipe is located at the front end face of insertion tube, and the inner tube inlet of interior pipe is located on the periphery wall of handle or insertion tube.
Further, inner tube inlet is provided with liquid sucking device, for by the blockage of nasal cavity from inner tube outlet suck and from inner tube inlet sucking-off.
Preferably, in interior pipe, be provided with the bending section of controlled deflection, be connected with the control rocking bar be located on handle, for controlling or change the bending radius of leading section of insertion tube, the leading section of insertion tube can be inserted in different nasal cavities.
This utility model also provides a kind of nasopharyngeal endoscope, comprise insertion tube, photographic head, light source, handle and display part, the rearward end connecting handle of insertion tube, the rearward end of handle is communicated with display part, display part is connected with photographic head by the circuit of the inside of insertion tube, the front end of insertion tube is also provided with the insert head removably connected, and photographic head and light source are located at the front end of insert head; Interior pipe is also provided with, as imbibition passage or instrument channel in insertion tube; The inner tube outlet of interior pipe is located at the front end face of insertion tube, and the inner tube inlet of interior pipe is located on the periphery wall of handle or insertion tube.
Preferably, the removably connecting of insert head and insertion tube comprises screw thread and spins, or steady pin connects, or bolt connects, or elasticity is connected together, or interference fit connects.
Further, inner tube inlet is provided with liquid sucking device, for by the blockage of nasal cavity from inner tube outlet suck and from inner tube inlet sucking-off.
Preferably, in interior pipe, be provided with the bending section of controlled deflection, be connected with the control rocking bar be located on handle, for controlling or change the bending radius of leading section of insertion tube, the leading section of insertion tube can be inserted in different nasal cavities.
Further, in interior pipe, be provided with sampler or cutter sweep, swell capsule for gripping sick body sample or cutting pathological changes; After sampler or cutter sweep obtain sample and cutting pathological tissues from inner tube outlet, taken out from inner tube inlet by interior pipe.
Preferably, be also provided with at least one pipette in insertion tube, pipette is liquid sucting port near the insertion end position of insertion tube, and the other end of pipette is leakage fluid dram, and liquid is discharged from leakage fluid dram by pipette after liquid sucting port absorbs.
Preferably, the diameter of interior pipe is 0.5 ~ 5 millimeter.
As above, the nasopharyngeal endoscope that this utility model relates to integrates the functions such as shooting, instrumentation, simplifies the operation course, alleviates patient suffering.
For foregoing of the present utility model can be become apparent, preferred embodiment cited below particularly, and by reference to the accompanying drawings, be described in detail below.
Accompanying drawing explanation
This utility model is introduced below in conjunction with accompanying drawing.
Fig. 1 is the overall structure schematic diagram of a kind of nasopharyngeal endoscope of the present utility model;
Fig. 2 is the structural representation of the insertion end of insertion tube 2;
Fig. 3 is the sectional view of insertion tube 2;
Fig. 4 is the overall structure schematic diagram of another kind of nasopharyngeal endoscope of the present utility model;
Fig. 5 is the structural representation of insert head 1 in Fig. 4.
Element numbers explanation
1 insert head
11 photographic head
12 light sources
13 first liquid sucting ports
14 second liquid sucting ports
2 insertion tubes
21 bending sections
22 circuits
3 handles
31 leakage fluid drams
32 control rocking bar
Pipe in 4
41 inner tube inlet
42 inner tube outlet
5 display
6 external-connection displayers
Detailed description of the invention
By particular specific embodiment, embodiment of the present utility model is described below, those skilled in the art the content disclosed by this description can understand other advantages of the present utility model and effect easily.
As shown in Figure 1 to Figure 3, this utility model provides a kind of nasopharyngeal endoscope, comprises insertion tube 2, photographic head 11, light source 12, handle 3 and display part, and photographic head 11 and light source 12 are located at the front end of insertion tube 2, and photographic head 11 and light source 12 preferably can share same power supply.In this utility model, the insertion end being used for insertion tube 2 to insert patient's nasal cavity is considered as front end, when insertion tube 2 stretches into patient's nasal cavity, photographic head 11 can be taken the nasal cavity environment of patient, and light source 12 can be the shooting environmental that photographic head 11 provides bright simultaneously; Further, in this utility model, the non-intrusive of insertion tube 2 is looked closely for rear end, the rear end connecting handle 3 of insertion tube 2, the rearward end of handle 3 is communicated with the display part for showing the image captured by photographic head 11, display part is connected with photographic head 11 by the circuit 22 being arranged at insertion tube 2 inside, and the data that photographic head 11 is taken transfer to display part display by circuit 22.
As shown in Figure 3, in this utility model, interior pipe 4 is also fixedly installed in insertion tube 2, interior pipe 4 can be used as the access way of imbibition passage or elongated shape apparatus, namely in, pipe 4 can as the passage of liquid absorbing patient's nasal sinuses inside, also can as instrument channel during for treating patient.The inner tube outlet 42 of interior pipe 4 is located on the front end face of insertion tube 2, i.e., on the insertion end end face of insertion tube 2, the inner tube inlet 41 of interior pipe 4 is located on the periphery wall of handle 3 or insertion tube 2.When interior pipe 4 is as instrument channel, apparatus is stretched out from inner tube outlet 42 by interior pipe 4, to treat patient after entering interior pipe 4 from inner tube inlet 41; When interior pipe 4 is as the used time of absorbing liquid, liquid enters interior pipe 4 by inner tube outlet 42, and discharges from inner tube inlet 41.
Further, when interior pipe 4 is for imbibition, can arrange liquid sucking device outside the inner tube inlet 41 of discharging for liquid, liquid sucking device is used for being sucked from inner tube outlet 42 by the liquid in the blockage of nasal cavity or nasal sinuses and discharging from inner tube inlet 41.
Further, in this utility model, the material of interior pipe 4 is preferably polyurethane tube (hereinafter referred PU pipe) or Polyurethane Thermoplastic Elastomer rubber tube (hereinafter referred TPU pipe), and the diameter of interior pipe 4 is preferably 0.5 ~ 5 millimeter, ensure that medical apparatus and instruments can be movable in interior pipe 4 neatly, the diameter of insertion tube 2 can not be increased simultaneously, avoid causing damage to patient.
As shown in Figure 4, this utility model also provides a kind of nasopharyngeal endoscope, comprises insertion tube 2, photographic head 11, light source 12, handle 3 and display part, and photographic head 11 and light source 12 are located at the front end of insertion tube 2, and photographic head 11 and light source 12 preferably can share same power supply.In this utility model, the insertion end being used for insertion tube 2 to insert patient's nasal cavity is considered as front end, when insertion tube 2 stretches into patient's nasal cavity, photographic head 11 can be taken the nasal cavity environment of patient, and light source 12 can be the shooting environmental that photographic head 11 provides bright simultaneously; Further, in this utility model, the non-intrusive of insertion tube 2 is looked closely for rear end, the rear end connecting handle 3 of insertion tube 2, the rearward end of handle 3 is communicated with the display part for showing the image captured by photographic head 11, display part is connected with photographic head 11 by the circuit 22 being arranged at the inside of insertion tube 2, and the data that photographic head 11 is taken transfer to display part display by circuit 22.
Further, in this utility model, light source 12 preferably adopts LED light source 12 or optical fiber, makes the shooting environmental of photographic head 11 limpid in sight.
Further, the front end of insertion tube 2 is also provided with the insert head 1 removably connected with insertion tube 2, and photographic head 11 and light source 12 are located at the front end of insert head 1.After insert head 1 is connected with insertion tube 2 removably, can on insert head 1 integrated multiple functional module, insert head 1 is reused.Because the loss of in use insertion tube 2 is comparatively large, needs often to change, therefore can improve the service life of insert head 1, reduce cost.During concrete enforcement, the many pipelines be provided with due to insertion tube 2 inside are fixed in insertion tube 2, after therefore only each pipeline need being alignd with each functional module be arranged on insert head 1, then insert head 1 are fixed on the insertion end of insertion tube 2.
Further, insertion tube 2 is preferably flexible hose, and further, insertion tube 2 is preferably PU pipe, also can need to select ferrum not dragon or TPU pipe according to use.
Further, in this utility model, be also fixedly installed interior pipe 4 in insertion tube 2, interior pipe 4 can be used as the access way of imbibition passage or elongated shape apparatus.The inner tube outlet 42 of interior pipe 4 is located on the front end face of insertion tube 2, i.e., on the insertion end end face of insertion tube 2, the inner tube inlet 41 of interior pipe 4 is located on the periphery wall of handle 3 or insertion tube 2.When the nasopharynx part of patient is carried out inspection pinpoint the problems needs carry out treatment process time, interior pipe 4 uses as instrument channel, can the apparatus of required use be entered in the nasopharynx part of patient from inner tube inlet 41 by insertion tube 2, and by photographic head 11 and display 5, Real Time Observation is carried out to treatment situation, more quickly and efficiently patient is treated; When the used time as absorption liquid, liquid enters interior pipe 4 by inner tube outlet 42, and discharges from inner tube inlet 41.
Further, in this utility model, the material of interior pipe 4 is preferably PU pipe or TPU pipe, and the diameter of interior pipe 4 is preferably 0.5 ~ 5 millimeter, ensure that medical apparatus and instruments can be movable in interior pipe 4 neatly, the diameter of insertion tube 2 can not be increased simultaneously, avoid causing damage to patient.
Fig. 5 is shown as the structural representation of insert head 1.The end face of insert head 1 is provided with photographic head 11 and at least one light source 12 as shown in Figure 4, in this utility model, preferably adopts two symmetrically arranged light sources 12, to provide brighter photography environment to photographic head 11.Nasopharyngeal endoscope is also provided with the display part for showing image captured by photographic head 11.Photographic head 11 is arranged on the end face of insert head 1, can take the process that lower nasopharyngeal endoscope enters nasal cavity, carry out Real Time Observation to patient.Display part is connected with photographic head 11 by the circuit 22 being fixedly installed on insertion tube 2 inside.In this utility model, display part is preferably display 5, and further, display part can, for being arranged at the miniscope 5 on handle 3 removably, also can be the external-connection displayer 6 be electrically connected with photographic head 11.External-connection displayer 6 can select the display 5 that screen is larger, can carry out more careful observation to the nasopharynx part of patient.
Further, in order to make insert head 1 more reliable with the connection of insertion tube 2, removably connecting between insert head 1 and insertion tube 2 can be set to screw thread and spin, or steady pin connects, or bolt connects, or elasticity is connected together, or interference fit connects.But this utility model is not limited to this, various set-up mode is all in protection domain of the present utility model.
Further, in order to make insert head 1 more reliable with the connection of insertion tube 2, the partial insertion insertion tube 2 that insert head 1 can be connected with insertion tube 2 is inner, in this utility model, preferably insert head 1 is inserted 2 ~ 5mm in insertion tube 2, the modes such as steady pin also can be adopted to be fixedly connected with, strengthen the reliability connected, insert head 1 and insertion tube 2 closely cooperate simultaneously, also can prevent insertion tube 2 inner inlet.
Because the nasal cavity structure of each patient is different, therefore, preferably bending section 21 is set on insertion tube 2, the bending radius of insertion tube can be made to carry out suitable change according to the structure of the nasal cavity of different patient and nasopharynx part by bending section 21, alleviate patient's misery over the course for the treatment of.In this utility model, bending section 21 is arranged at the position near insert head 1 on insertion tube 2, and in order to control more accurately the bending radius of bending section 21, the control rocking bar 32 of the bending radius being used for control break bending section 21 is preferably set on the handle 3, and control rocking bar 32 is connected with bending section 21.
In preferred embodiment of the present utility model, controlling rocking bar 32 is the rotatable parts that can rotate around fixing point, bending section 21 is can the movable joint of bending, controls rocking bar 32 and is connected preferably by least two steel wires with between bending section 21, also realize by iron wire or other filament structures.When controlling rocking bar 32 and rotating around fixing point, control rocking bar 32 and drive steel wire to carry out push-and-pull campaign, thus make the movable joint campaign in bending section 21, realize bending change.Further, the excursion of the bending radius of preferred bending section 21 is 2 ~ 20 millimeters.
Further, when the bending radius of bending section 21 changes, also bending can be there is together along with bending section 21 in interior pipe 4, the pipeline of the materials such as PU pipe or TPU pipe mostly is due to interior pipe 4, therefore in Forging Process, easily there is folding line and the internal diameter of interior pipe 4 is diminished, causing apparatus to enter in patient body smoothly.Therefore, for avoiding above-mentioned situation to occur, preferably outside the position that interior pipe 4 can occur bending and deformation, overlap bourdon tube, internal pipe 4 carries out protective effect.
In this utility model, because insertion tube 2 quality is comparatively soft, and handle 3 quality is harder; therefore; between insertion tube 2 and handle 3, can hard connecting portion be set further, to control better insertion tube 2, also can each pipeline in insertion tube 2 be protected.
Owing to being not a drying, clean environment in the nasal cavity of patient and nasopharynx part, often have liquid in various human body, when insertion tube 2 enters after in patient body, the situation that photographic head 11 is stopped by obstacle easily occurs.In this utility model, except interior pipe 4 as absorbing except the passage of liquid, can also arrange the pipette being specifically designed to and absorbing liquid further in insertion tube 2.Pipette can make the photographic effect of photographic head 11 more clear.In this utility model, preferably in insertion tube 2, be provided with at least one pipette, the end face of insert head 1 is provided with the liquid sucting port be connected with pipette, the other end of pipette be arranged on handle 3 or the leakage fluid dram 31 be arranged on the periphery wall of insertion tube 2 is connected, when starting to absorb liquid, liquid is discharged from leakage fluid dram via pipette after entering pipette from liquid sucting port.
Further, in this utility model, preferably in insertion tube 2, be provided with two pipette, the insertion end end face of insert head 1 or insertion tube 2 is respectively equipped with the first liquid sucting port 13 and the second liquid sucting port 14 be connected with two pipette, the opening of the first liquid sucting port 13 is preferably towards photographic head 11, when photographic head 11 has obstacle, by the first liquid sucting port 13, obstacle is absorbed; Further, the second liquid sucting port 14 opening is preferably towards the direction of insertion of insertion tube 2, and the obstacle in insertion process can be absorbed by the second liquid sucting port 14, makes the shooting environmental of photographic head 11 more clear.
Further, also can carry out drug injection further by the second liquid sucting port 14 couples of patients, convenient treatment.
Further, in this utility model, the syringe for injectable drug also can be set separately.
In addition, in this utility model, according to use needs, sampler or cutter sweep can also be set in interior pipe 4, swell capsule for gripping sick body sample or cutting pathological changes; After sampler or cutter sweep obtain sample or cutting pathological tissues from inner tube outlet 42, taken out from inner tube inlet 41 by interior pipe 4.
In sum, nasopharyngeal endoscope involved by this utility model can be treated the focus found while checking the nasopharynx part of patient, reduce the injury to patient, and can clearer, effectively patient is treated, the damage caused patient is reduced to minimum, and structure is simple, easy to use, is worth carrying out wide popularization and application.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting this utility model.Any person skilled in the art scholar all without prejudice under spirit of the present utility model and category, can modify above-described embodiment or changes.Therefore, such as have in art and usually know that the knowledgeable modifies or changes not departing from all equivalences completed under the spirit and technological thought that this utility model discloses, must be contained by claim of the present utility model.
Claims (13)
1. a nasopharyngeal endoscope, comprise insertion tube, photographic head, light source, handle and display part, described photographic head and described light source are located at the front end of described insertion tube, the rearward end of described insertion tube connects described handle, the rearward end of described handle is communicated with described display part, described display part is connected with described photographic head by the circuit of the inside of described insertion tube, it is characterized in that
Interior pipe is also provided with, as the access way of imbibition passage or elongated shape apparatus in described insertion tube;
The inner tube outlet of described interior pipe is located at the front end face of described insertion tube, and the inner tube inlet of described interior pipe is located on the periphery wall of described handle or described insertion tube.
2. nasopharyngeal endoscope as claimed in claim 1, it is characterized in that, described inner tube inlet is provided with liquid sucking device, for being sucked and from described inner tube inlet sucking-off from described inner tube outlet by the blockage of nasal cavity.
3. nasopharyngeal endoscope as claimed in claim 1, it is characterized in that, the bending section of controlled deflection is provided with in described interior pipe, be connected with the control rocking bar be located on described handle, for controlling or change the bending radius of leading section of described insertion tube, the leading section of described insertion tube can be inserted in different nasal cavities.
4. nasopharyngeal endoscope as claimed in claim 1, is characterized in that, be provided with sampler or cutter sweep in described interior pipe, to swell capsule for gripping sick body sample or cutting pathological changes; After described sampler or cutter sweep obtain sample and cutting pathological tissues from described inner tube outlet, taken out from described inner tube inlet by described interior pipe.
5. nasopharyngeal endoscope as claimed in claim 1, it is characterized in that, at least one pipette is also provided with in described insertion tube, described pipette is liquid sucting port near the insertion end position of described insertion tube, the other end of described pipette is leakage fluid dram, and liquid is discharged from described leakage fluid dram by pipette after described liquid sucting port absorbs.
6. nasopharyngeal endoscope as claimed in claim 1, it is characterized in that, the diameter of described interior pipe is 0.5 ~ 5 millimeter.
7. a nasopharyngeal endoscope, comprise insertion tube, photographic head, light source, handle and display part, the rearward end of described insertion tube connects described handle, the rearward end of described handle is communicated with described display part, described display part is connected with described photographic head by the circuit of the inside of described insertion tube, it is characterized in that
The front end of described insertion tube is also provided with the insert head removably connected, and described photographic head and described light source are located at the front end of described insert head;
Interior pipe is also provided with, as imbibition passage or instrument channel in described insertion tube;
The inner tube outlet of described interior pipe is located at the front end face of described insertion tube, and the inner tube inlet of described interior pipe is located on the periphery wall of described handle or described insertion tube.
8. nasopharyngeal endoscope as claimed in claim 7, is characterized in that, the removably connecting of described insert head and described insertion tube comprises screw thread and spin, or steady pin connects, or bolt connects, or elasticity is connected together, or interference fit connection.
9. nasopharyngeal endoscope as claimed in claim 7, it is characterized in that, described inner tube inlet is provided with liquid sucking device, for being sucked and from described inner tube inlet sucking-off from described inner tube outlet by the blockage of nasal cavity.
10. nasopharyngeal endoscope as claimed in claim 7, it is characterized in that, the bending section of controlled deflection is provided with in described interior pipe, be connected with the control rocking bar be located on described handle, for controlling or change the bending radius of leading section of described insertion tube, the leading section of described insertion tube can be inserted in different nasal cavities.
11. nasopharyngeal endoscopes as claimed in claim 7, is characterized in that, be provided with sampler or cutter sweep in described interior pipe, to swell capsule for gripping sick body sample or cutting pathological changes; After described sampler or cutter sweep obtain sample and cutting pathological tissues from described inner tube outlet, taken out from described inner tube inlet by described interior pipe.
12. nasopharyngeal endoscopes as claimed in claim 7, it is characterized in that, at least one pipette is also provided with in described insertion tube, described pipette is liquid sucting port near the insertion end position of described insertion tube, the other end of described pipette is leakage fluid dram, and liquid is discharged from described leakage fluid dram by pipette after described liquid sucting port absorbs.
13. nasopharyngeal endoscopes as claimed in claim 7, is characterized in that, the diameter of described interior pipe is 0.5 ~ 5 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520128045.7U CN204562076U (en) | 2015-03-05 | 2015-03-05 | Nasopharyngeal endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520128045.7U CN204562076U (en) | 2015-03-05 | 2015-03-05 | Nasopharyngeal endoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204562076U true CN204562076U (en) | 2015-08-19 |
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| CN201520128045.7U Active CN204562076U (en) | 2015-03-05 | 2015-03-05 | Nasopharyngeal endoscope |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107126186A (en) * | 2017-06-27 | 2017-09-05 | 朱宏明 | A kind of micro- masopharyngeal mirror of three-dimensional electronic |
| CN109302550A (en) * | 2018-10-18 | 2019-02-01 | 殷荣蓬 | A kind of Handheld visual masopharyngeal mirror |
| US11116484B2 (en) | 2018-10-31 | 2021-09-14 | Hongming Zhu | Lens assembly for 3D electronic nasopharyngoscope |
-
2015
- 2015-03-05 CN CN201520128045.7U patent/CN204562076U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107126186A (en) * | 2017-06-27 | 2017-09-05 | 朱宏明 | A kind of micro- masopharyngeal mirror of three-dimensional electronic |
| CN109302550A (en) * | 2018-10-18 | 2019-02-01 | 殷荣蓬 | A kind of Handheld visual masopharyngeal mirror |
| US11116484B2 (en) | 2018-10-31 | 2021-09-14 | Hongming Zhu | Lens assembly for 3D electronic nasopharyngoscope |
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