CN205964003U - Electric ear mirror and supporting oto speculum and pjncture needle - Google Patents
Electric ear mirror and supporting oto speculum and pjncture needle Download PDFInfo
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- CN205964003U CN205964003U CN201620578615.7U CN201620578615U CN205964003U CN 205964003 U CN205964003 U CN 205964003U CN 201620578615 U CN201620578615 U CN 201620578615U CN 205964003 U CN205964003 U CN 205964003U
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- Prior art keywords
- puncture needle
- guiding tube
- pjncture needle
- oto speculum
- oto
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Abstract
The utility model relates to a medical skill facility field, the be convenient for electric ear mirror and supporting oto speculum and pjncture needle of eardrum puncture of one kind concretely relates to. Including electric ear mirror main part, oto speculum and pjncture needle, its characterized in that, pjncture needle include pjncture needle anterior segment and pjncture needle back end, and the contained angle between pjncture needle anterior segment and the pjncture needle back end is 150. The oto speculum is provided with a both ends open -ended guiding tube and a guiding groove on putting into the lateral wall of duct one end, and the guiding groove is connected in the rear end of guiding tube, and guiding tube and guiding groove are all on the longitudinal axis tangent plane of oto speculum. Be connected with the oto speculum on the electric ear mirror, the pjncture needle anterior segment is put into the guiding groove and is penetrated the guiding tube, and the guiding tube back -and -forth movement can be followed to the pjncture needle. The utility model discloses an illumination abundance when having the eardrum of carrying on puncture operation, the field of vision is clear, operates stable effect, can adapt to the different patients that external auditory canal length has the individual difference again.
Description
Technical field
The utility model is related to medical technology facility field, more particularly, to a kind of electric auriscope of auripuncture and supporting be easy to
Oto speculum and puncture needle.
Background technology
Electric auriscope is the otoscope of automatic light source and magnifying glass, for work-up in duct in otology treatment.And eardrum
Puncture is conventional treatment means, can reach extraction hydrotympanum, carry out injection in tympanum, or remove the mesh such as eardrum bulla
's.Present auripuncture operation needs to penetrate in duct by syringe needle under frontal mirror, head lamp photopic vision, and light occurs in operating process
According to deficiency, the visual field is unclear, the inaccurate phenomenon of point of puncture.Simultaneously as carrying out auripuncture using existing equipment to need volume
Outer lighting device, therefore auripuncture can only complete checking interior.But after patient carries out tympanic tube insertion, for preventing medicine
Flow out from puncturing hole, need to keep special body position half an hour.And existing equipment cannot be in patient's bedside, the situation of no additional light source
Under complete auripuncture, be unfavorable for patient keep position.In addition, mostly existing tympanocentesis needle is straight, after connecting syringe
The operation of operator also can be stopped.So electric auriscope is connected supporting oto speculum and puncture needle, and apply it to eardrum and wear
In needle-holding hand art, just can overcome above problem.
Also some are had to carry out the otoscope equipment of auripuncture at present, such as the Chinese patent of Application No. CN201410443226
In (hereinafter referred to as documents 1), disclose a kind of sight glass tympanocentesis needle.For overcoming the problems referred to above, take in detail below
Measure：A kind of sight glass tympanocentesis needle, include duct sight glass, otoscope and puncture needle it is characterised in that：Puncture needle is solid with otoscope
It is set to one, the needle body front portion of puncture needle becomes 85 ° with otoscope front end, and the needle point of puncture needle is located on otoscope central region straight line,
Otoscope moves, and needle point moves simultaneously, movable otoscope during puncture, adjustment angle, but needle point is all the time in central region.But, by
In individual difference, external auditory meatus length, need to change needle point to the length of otoscope front end, therefore taken in documents 1
Measure be accomplished by designing and producing multiple sight glass tympanocentesis needles, to be suitable for different patients, to increased manufacturing cost.And contrast literary composition
In part 1, puncture needle is fixed, and needs mobile electric auriscope to control puncture needle so that the flexibility of puncture needle is restricted.Except this
Outside, in piercing process, patient produces pain because of there is pressure differential inside and outside tympanum.
Utility model content
The purpose of this utility model is to provide a kind of auripuncture equipment, not enough to solve illumination in auripuncture operation
And puncture needle enters the problem that the inconvenience of duct depth is adjusted.The utility model embodiment provides a kind of puncture needle, described puncture
Pin includes puncture needle leading portion and puncture needle back segment, and the angle between described puncture needle leading portion and puncture needle back segment is obtuse angle.
In certain embodiments, preferably, the side wall of the needle point of described puncture needle is provided with inside and outside a connection eardrum
Airway.It is provided with one handle on described puncture needle back segment.The afterbody of described puncture needle back segment is provided with a syringe interface.
The length of described puncture needle leading portion is 3.5cm.Angle between described puncture needle leading portion and puncture needle back segment is 150 °.
The utility model additionally provides a kind of oto speculum, and described oto speculum is put into and is provided with one on the lateral wall of duct one end
Both ends open, the guiding tube passing through for described puncture needle and a guiding groove, after described guiding groove is connected to described guiding tube
End, described guiding tube and guiding groove are on longitudinal axial section of described oto speculum.
In certain embodiments, preferably, it is spaced one between the front end face of the front end of described guiding tube and described oto speculum
Segment distance.
The utility model additionally provides a kind of electric auriscope, including electric auriscope main body, puncture needle and oto speculum, described electric ear
Described oto speculum is connected with mirror main body, described puncture needle leading portion is put in described guiding groove and puncture needle leading portion penetrate described in draw
Conduit, described puncture needle can move forward and backward along guiding tube, and described puncture needle rear end is not contacted with described oto speculum.
In certain embodiments, preferably, it is to be detachably connected between described oto speculum and described electric auriscope main body.
A kind of electric auriscope and supporting oto speculum and puncture needle that the utility model embodiment provides, with prior art phase
It is divided into two sections of before and after than, puncture needle, and the angle between two sections is obtuse angle in front and back, so carries out the mistake of auripuncture in puncture needle
Cheng Zhong, the visual field of operator will not be stopped by hand, syringe or other operation instruments；Guiding groove on oto speculum is easy to puncture
Pin accurately penetrates in guiding tube, and guiding tube ensures that puncture needle will not rock after entering duct, it is to avoid puncture needle injures tympanum
Other structures, facilitate operator's localised puncture point.Electric auriscope body can directly provide stable bright in auripuncture operation
Light source, can be clearly viewed the position of situation and puncture needle head in duct after connecting oto speculum.Therefore this utility model energy
Enough improve security and the accuracy of auripuncture operation.And different patients can be applied to, manufacturing cost is low, is worth facing
Bed application.
Brief description
Fig. 1 is the structural representation of electric auriscope in one embodiment of the utility model；
Fig. 2 is the mplifying structure schematic diagram of puncture needle needle point in the utility model Fig. 1.
Note：1st, electric auriscope main body；11st, electric auriscope magnifying glass；2nd, oto speculum；21st, guiding tube；22nd, guiding groove；3rd, puncture
Pin；31st, puncture needle leading portion；32nd, puncture needle back segment；33rd, needle point；34th, handle；35th, syringe interface；331st, airway；
332nd, tube chamber.
Specific embodiment
Combine accompanying drawing below by specific embodiment the present invention is described in further detail.
The utility model provide firstly a kind of puncture needle 3, as shown in figure 1, it includes puncture needle leading portion 31 and puncture needle
Back segment 32, the angle between puncture needle leading portion 31 and puncture needle back segment 32 is obtuse angle.This puncture needle 3 is applied in auripuncture,
For puncturing eardrum, and connect syringe and carry out drawing liquid and injection in tympanum.Puncture needle leading portion 31 needs to enter duct, and contact is controlled
Treat area, because external auditory meatus is a section from porus acusticus externus to eardrum, its length about 2.5～3cm, so the length of puncture needle leading portion 31
Design it is ensured that puncture needle 3 can pierce tympanum, and puncture needle back segment 32 suitable length, will not be long and affect to operate.Therefore,
In certain embodiments, puncture needle 3 length is 8cm, a diameter of 0.7mm, a diameter of 0.4mm of the tube chamber 332 of pin, including
The puncture needle leading portion 31 of 3.5cm length and the puncture needle back segment 32 of 4.5cm length.As shown in Fig. 2 the needle point of puncture needle is taper, because
This its will not damage conduit when advancing from otoscope conduit, needle point also will not carry plastic scrap, also will not damage drum simultaneously
Doors structure.When carrying out auripuncture, operator is that hand holds puncture needle back segment 32, puncture needle 3 is pierced in duct, punctures
Tympanum drawing liquid and injection can be carried out, therefore between design puncture needle leading portion 31 and puncture needle back segment 32 in obtuse angle, preferably after eardrum
For 150 ° of angle, before and after such puncture needle section (31,32) not on the same line, thus avoiding the syringe connecting can hinder
The operation of operator.In addition, as shown in Fig. 2 the ventilation inside and outside a connection eardrum is provided with the side wall of the needle point 33 of puncture needle 3
Conduit 331, with balancing drum interior external pressure, you can avoid negative pressure in extraction hydrotympanum posterior tympanum to cause patient pain to feel.Logical
The length of airway 331 is preferably 0.5cm.The handle 34 of one plastic material is provided with as shown in Figure 1 on puncture needle back segment 32, uses
In hand-held puncture needle 3, to facilitate operator to control puncture needle 3 to stretch into the depth of duct, also can play anti-skidding in operation
Effect.The afterbody of puncture needle back segment 32 is provided with a syringe interface 35, is directly connected to syringe and can carry out taking out in tympanum
Liquid and injection.
The structure of the also corresponding puncture needle 3 of the utility model and behaviour in service provide a kind of oto speculum 2, as shown in figure 1, its
Apply in otology checks, detailed inspection can be carried out to the situation in duct.Oto speculum 2 is cone setting, and external diameter is little
One end put into duct, the lateral wall putting into duct one end is provided with a both ends open, the guiding tube 21 passing through for puncture needle 3
And a guiding groove 22, guiding groove 22 is connected to the rear end of guiding tube 21, and guiding tube 21 and guiding groove 22 are in oto speculum 2
On longitudinal axial section.Guiding tube 21 is both ends open, the tubular structure of tube wall closing, is fixed on oto speculum 2, guiding groove 22 is opened
Mouth outwards, facilitates biopsy needle guide 3 to enter guiding tube 21.It should be noted that because puncture needle 3 is designed as two sections of before and after, because
This, corresponding guiding tube 21 extends there through for puncture needle leading portion 31, and convenient movable.The size design of guiding tube 21 is former
Then it is to make puncture needle 3 can just pass through guiding tube 21, and big rocking will not occur in guiding tube 21.One
Being preferably length in a little embodiments is 1cm, a diameter of 0.8mm, and in the same manner, its length is 2cm it is ensured that puncture needle 3 energy for guiding groove 22
Enough smoothly penetrate in guiding tube 21.In addition, between the front end face of the front end of guiding tube 21 and oto speculum 2 interval one section away from
From, preferably interval 2mm, so can avoid guiding tube 21 that operator's sight line is blocked.
Structure based on puncture needle 3 and oto speculum 2 is improved, as shown in figure 1, the utility model additionally provide a kind of corresponding
Electric auriscope, it is typically employed in otology inspection, is the otoscope of automatic light source and magnifying glass, in some enforcements of this utility model
In example, electric auriscope is applied in auripuncture operation.Electric auriscope includes electric auriscope main body 1, above-mentioned oto speculum 2 and above-mentioned
3 three parts of puncture needle.Oto speculum 2 is connected with electric auriscope main body 1, puncture needle leading portion 31 is put in guiding groove 22 and puncture needle
3 leading portions penetrate guiding tube 21, puncture needle 3 can be driven to move forward and backward along guiding tube 21 by moving handle 34, thus control wearing
The needle point 33 of pricker 3 enters the depth of duct, and puncture needle back segment 32 is not contacted with described oto speculum 2, will not make resistance in operation
Gear operator's sight line.The rear end of electric auriscope main body 1 is provided with electric auriscope magnifying glass 11, arranges handle in electric auriscope main body 1 simultaneously,
At an angle it is ensured that mutual not shadow when two hands operate simultaneously between this handle (not shown on figure) and guiding tube 21 place plane
Ring, preferably 90 ° of this angle.After electric auriscope connects supporting oto speculum and puncture needle, in the sick bed not providing additional light source
Side, also can carry out auripuncture for patient, be conducive to patient to keep fixation postures.Between oto speculum 2 and electric auriscope main body 1 being can
Dismounting connects, and facilitates replacing, cleaning and the sterilization of oto speculum 2, and the mode being detachably connected can connect for threaded, buckle
Connect, be socketed etc..
When carrying out auripuncture using this electric auriscope, operated according to the following steps：
1. electric auriscope is installed；
2. carry out the anesthesia sterilization in external auditory meatus, patient keeps special body position；
3. oto speculum 2 is put into external auditory meatus, situation and puncture position in external auditory meatus is observed by electric auriscope magnifying glass 11；
4. hand holds the handle 34 of the puncture needle 3 connecting syringe, puncture needle leading portion 31 is put into penetrate after guiding groove 22 and draws
In conduit 21, so that the needle point 33 of puncture needle 3 is slowly moved towards eardrum along the guiding tube 21 of oto speculum 2, wear through electric ear sem observation
Needle point 33 position of pricker 3；
5. slowly insertion puncture needle 3 to site of puncture and somewhat firmly breaks through eardrum, during the needle point 33 of puncture needle 3 enters
Ear, carries out middle ear drawing liquid or injection using syringe under assistant；
6. slowly extract puncture needle 3 after the completion of, observe the eardrum state after puncturing.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.All of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvement made etc., should be included within protection domain of the present utility model.
Claims (10)
1. a kind of puncture needle is it is characterised in that described puncture needle (3) includes puncture needle leading portion (31) and puncture needle back segment (32),
Angle between described puncture needle leading portion (31) and puncture needle back segment (32) is obtuse angle.
2. puncture needle as claimed in claim 1 is it is characterised in that the needle point of described puncture needle (3)（33）Side wall on arrange
There is the airway (331) inside and outside a connection eardrum.
3. puncture needle as claimed in claim 1 is it is characterised in that be provided with one handle on described puncture needle back segment (32)
(34).
4. puncture needle as claimed in claim 1 is it is characterised in that the afterbody of described puncture needle back segment (32) is provided with an injection
Device interface (35).
5. puncture needle as claimed in claim 1 is it is characterised in that the length of described puncture needle leading portion (31) is 3.5cm.
6. the puncture needle as described in any one of claim 1-5 is it is characterised in that after described puncture needle leading portion (31) and puncture needle
Angle between section (32) is 150 °.
7. a kind of oto speculum is it is characterised in that described oto speculum (2) is put into and is provided with two ends on the lateral wall of duct one end and opens
Mouthful, the guiding tube (21) that passes through for puncture needle (3) described in any one of claim 1-6 and a guiding groove (22), described guiding
Groove (22) is connected to the rear end of described guiding tube (21), and described guiding tube (21) and guiding groove (22) are in described oto speculum
(2) on longitudinal axial section.
8. oto speculum as claimed in claim 7 is it is characterised in that the front end of described guiding tube (21) and described oto speculum (2)
Front end face between be spaced a distance.
9. a kind of electric auriscope is it is characterised in that include the puncture needle described in electric auriscope main body (1), any one of claim 1-6
(3) oto speculum (2) and described in claim 7 or 8, described electric auriscope main body (1) is connected with described oto speculum (2), institute
State that puncture needle (3) leading portion is put in described guiding groove (22) and puncture needle leading portion (31) penetrates described guiding tube (21), described wear
Pricker (3) can move forward and backward along guiding tube (21), and described puncture needle back segment (32) is not contacted with described oto speculum (2).
10. electric auriscope as claimed in claim 9 it is characterised in that described oto speculum (2) and described electric auriscope main body (1) it
Between for being detachably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620578615.7U CN205964003U (en) | 2016-06-13 | 2016-06-13 | Electric ear mirror and supporting oto speculum and pjncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620578615.7U CN205964003U (en) | 2016-06-13 | 2016-06-13 | Electric ear mirror and supporting oto speculum and pjncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205964003U true CN205964003U (en) | 2017-02-22 |
Family
ID=58021881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620578615.7U Expired - Fee Related CN205964003U (en) | 2016-06-13 | 2016-06-13 | Electric ear mirror and supporting oto speculum and pjncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205964003U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023181999A1 (en) * | 2022-03-25 | 2023-09-28 | 国立大学法人東北大学 | Endoscope assembly, and operation-assisting device for tool for treatment or surgery |
-
2016
- 2016-06-13 CN CN201620578615.7U patent/CN205964003U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023181999A1 (en) * | 2022-03-25 | 2023-09-28 | 国立大学法人東北大学 | Endoscope assembly, and operation-assisting device for tool for treatment or surgery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20180613 |