CN211214905U - Ear canal supporting dilator for ear-nose-throat department - Google Patents
Ear canal supporting dilator for ear-nose-throat department Download PDFInfo
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- CN211214905U CN211214905U CN201921212551.9U CN201921212551U CN211214905U CN 211214905 U CN211214905 U CN 211214905U CN 201921212551 U CN201921212551 U CN 201921212551U CN 211214905 U CN211214905 U CN 211214905U
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- sleeve
- ear
- ear canal
- dilator
- fixed sleeve
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Abstract
The utility model discloses an ear canal supporting dilator for the ear-nose-throat department, in the utility model, the ear canal supporting dilator for the ear-nose-throat department comprises a fixed sleeve, a rotary sleeve, an expansion plate and a connecting rod; the number of the expansion plates is 4, and the cross section of the 4 expansion plates in the closed state is in a circular ring shape; the shape of the fixed sleeve is in a convex shape, and an external thread is formed at the small-diameter part of the fixed sleeve; the rotating sleeve is provided with an internal thread; the fixed sleeve is connected with the rotating sleeve through a thread structure; a guide hole is formed at the position of the small diameter part of the fixed sleeve close to the large diameter part; one end of the connecting rod is fixedly connected with the expansion plate, and the other end of the connecting rod is connected with the wedge block; one end of the rotary sleeve close to the guide hole is fixedly connected with a conical sleeve. When expanding patient's external auditory canal, the part of expansion board and patient's external auditory canal contact is the arcwall face, can avoid the expansion board causes the injury to patient's external auditory canal.
Description
Technical Field
The utility model relates to the field of medical equipment, in particular to ear canal supports expander for otolaryngology branch of academic or vocational study.
Background
At present, when a patient is subjected to external auditory canal reconstruction, external auditory canal of the patient needs to be expanded due to external auditory canal stenosis or occlusion caused by various reasons, thereby facilitating the progress of the operation. The traditional ear canal supporting expander is provided with two toothed blades, and an incision is opened through a lever principle, so that unnecessary damage to the skin of an external auditory canal is often caused, and complications are easily caused.
SUMMERY OF THE UTILITY MODEL
In view of the defects in the prior art, the technical problem to be solved by the present invention is to provide an ear canal support dilator for an ear-nose-throat department, aiming at improving the safety of the ear canal support dilator for the ear-nose-throat department; the use convenience of the ear canal support dilator for the ear-nose-throat department is improved, and the work efficiency of medical personnel is improved.
In order to achieve the purpose, the utility model provides an ear canal supporting dilator for the ear-nose-throat department, which comprises a fixed sleeve, a rotary sleeve, an expansion plate and a connecting rod; the number of the expansion plates is 4, and the cross section of the 4 expansion plates in a closed state is circular; the shape of the fixed sleeve is in a convex shape, and an external thread is formed at the small-diameter part of the fixed sleeve; the rotating sleeve is provided with internal threads, and the diameter of the inner wall of the rotating sleeve is the same as that of the small-diameter part of the fixed sleeve; the fixed sleeve and the rotating sleeve are connected through the thread structure; guide holes are formed in the positions, close to the large-diameter portion, of the small-diameter portion of the fixing sleeve, the number of the guide holes is consistent with that of the expansion plates, and the included angle between every two adjacent guide holes is 90 degrees; the number of the connecting rods is consistent with that of the expansion plates; one end of the connecting rod is fixedly connected to the expansion plate, and the other end of the connecting rod is connected with a wedge-shaped block; one end of the rotating sleeve, which is close to the guide hole, is fixedly connected with a conical sleeve.
In this technical scheme, through setting up the expansion plate, when expanding patient's external auditory canal, the part of expansion plate and patient's external auditory canal contact is the arcwall face, can avoid the expansion plate causes the injury to patient's external auditory canal, and adjacent two the contained angle of expansion plate is 90 for the expansion force that patient's external auditory canal received is more even, can reduce uncomfortable sense of patient's external auditory canal.
In a specific embodiment, the connecting rod and the guide hole form a sliding connection therebetween.
In this technical scheme, through with the connecting rod with the connected mode between the guiding hole sets up to sliding connection, and the convenience is right the expansion board carries out the expansion operation.
In a specific embodiment, the angle of inclination of the wedge-shaped block is the same as the angle of inclination of the conical sleeve.
In the technical scheme, the same inclination angle is set, so that the supporting force of the wedge-shaped block by the conical sleeve is uniform, and the connecting rod is favorable for moving outwards along the guide hole.
In a specific embodiment, when the expansion plate is in a closed state, a gap is formed between the wedge block and the outer wall of the small-diameter part of the fixing sleeve; and a spring is arranged at the clearance position, and two ends of the spring are respectively fixedly connected with the outer wall of the small diameter part of the fixed sleeve of the wedge-shaped block.
In this technical scheme, through setting up the spring for wedge block is when losing the holding power of taper sleeve, the expansion board can automatic re-setting.
In a specific embodiment, a placing rod is arranged in the fixing sleeve, and a hook is arranged on the placing rod.
In the technical scheme, the hook is arranged, so that medical staff can temporarily place surgical instruments.
In a specific embodiment, the large diameter portion of the fixing sleeve is provided with a fixing band.
In this technical scheme, through setting up the fixed band for the ear, nose and throat branch of academic or vocational study has saved the trouble that needs hold with the duct support expander.
In one embodiment, the fixing band is made of an elastic material.
In this technical scheme, through with the material of fixed band sets up to elastic material for different patients can all wear ear nose and throat department supports the expander with the duct.
The utility model has the advantages that: the utility model discloses in, through setting up the expansion plate, when expanding patient's external auditory canal, the part that expansion and patient's external auditory canal contacted is the arcwall face, can avoid the expansion plate causes the injury to patient's external auditory canal, and adjacent two the contained angle of expansion plate is 90 for the expansion force that patient's external auditory canal received is more even, can reduce uncomfortable sense of patient's external auditory canal.
Drawings
Fig. 1 is a schematic structural view of an ear canal support dilator for ear-nose-throat department according to an embodiment of the present invention;
FIG. 2 is a left side view of an ear canal support dilator for an ear-nose-throat department according to an embodiment of the present invention;
fig. 3 is a right side view of an ear canal support dilator for otorhinolaryngological use in accordance with an embodiment of the present invention.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown in fig. 1 to 3, in an embodiment of the present invention, the ear canal support dilator for otorhinolaryngology comprises a fixing sleeve 100, a rotating sleeve 200, a dilating plate 300, a connecting rod 400; the number of the expansion plates 300 is 4, and the cross section of the 4 expansion plates 300 in the closed state is circular ring-shaped; the shape of the fixed sleeve 100 is a convex shape, and the small diameter part of the fixed sleeve 100 is provided with an external thread; the rotating sleeve 200 is formed with an internal thread, and the diameter of the inner wall of the rotating sleeve 200 is the same as the diameter of the small diameter portion of the fixing sleeve 100; the fixed sleeve 100 and the rotating sleeve 200 are connected by the screw structure; guide holes 101 are formed at the positions, close to the large-diameter part, of the small-diameter part of the fixing sleeve 100, the number of the guide holes 101 is consistent with that of the expansion plates 300, and the included angle between every two adjacent guide holes 101 is 90 degrees; the number of the coupling rods 400 is the same as that of the expansion plates 300; one end of the connecting rod 400 is fixedly connected to the expansion plate 300, and the other end of the connecting rod 400 is connected with a wedge block 500; a tapered sleeve 600 is fixedly connected to one end of the rotating sleeve 200 close to the guide hole 101.
In this embodiment, the connecting rod 400 is slidably connected to the guide hole 101.
In this embodiment, the wedge 500 has the same inclination angle as the taper sleeve 600.
In this embodiment, in the closed state of the expansion plate 300, a gap is formed between the wedge block 500 and the outer wall of the small diameter portion of the fixing sleeve 100; a spring 700 is installed at the gap position, and both ends of the spring 700 are respectively fixedly connected with the outer wall of the small diameter portion of the fixing sleeve 100 of the wedge block 500.
In this embodiment, a placing rod 800 is installed in the fixing sleeve 100, and a hook 801 is installed on the placing rod 800.
In this embodiment, the fixing band 900 is installed at the large diameter portion of the fixing sleeve 100.
In this embodiment, the fixing band 900 is made of an elastic material.
In this embodiment, when the ear canal support dilator for otorhinolaryngology is used, the ear canal support dilator for otorhinolaryngology is fixed on the ear of a patient by the fixing band 900, the large diameter portion of the fixing sleeve 100 is held by the left hand and fixed, the rotating sleeve 200 is held by the right hand and rotated clockwise, the tapered block provides an upward supporting force for the wedge block 500, so that the wedge block 500 drives the connecting rod 400 to move outwards along the direction of the guiding hole 101, the connecting rod 400 drives the expansion plate 300 to move, so that the expansion plate 300 expands the external auditory canal of the patient, and when the external auditory canal of the patient expands to a predetermined width, the rotating sleeve 200 stops rotating; when the medical staff finishes the operation, the rotating sleeve 200 is rotated counterclockwise, and the pulling force generated by the spring 700 pulls the wedge block 500 to be reset, so that the expanding plate 300 is reset.
Specific embodiments of the present invention have been described above in detail. It is to be understood that the specific embodiments of the invention are not exclusive and that numerous modifications and variations may be made by those skilled in the art in light of the teaching of the present invention within the scope of the appended claims. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the embodiments of the present invention should be within the scope of protection defined by the claims.
Claims (7)
1. Otolaryngology branch of academic or vocational study supports expander with duct, its characterized in that: the ear canal supporting dilator for the ear-nose-throat department comprises a fixed sleeve, a rotating sleeve, a dilating plate and a connecting rod; the number of the expansion plates is 4, and the cross section of the 4 expansion plates in a closed state is circular; the shape of the fixed sleeve is in a convex shape, and an external thread is formed at the small-diameter part of the fixed sleeve; the rotating sleeve is provided with internal threads, and the diameter of the inner wall of the rotating sleeve is the same as that of the small-diameter part of the fixed sleeve; the fixed sleeve and the rotating sleeve are connected through the thread structure; guide holes are formed in the positions, close to the large-diameter portion, of the small-diameter portion of the fixing sleeve, the number of the guide holes is consistent with that of the expansion plates, and the included angle between every two adjacent guide holes is 90 degrees; the number of the connecting rods is consistent with that of the expansion plates; one end of the connecting rod is fixedly connected to the expansion plate, and the other end of the connecting rod is connected with a wedge-shaped block; one end of the rotating sleeve, which is close to the guide hole, is fixedly connected with a conical sleeve.
2. The ear canal support dilator for otorhinolaryngological use of claim 1, wherein: and the connecting rod is in sliding connection with the guide hole.
3. The ear canal support dilator for otorhinolaryngological use of claim 1, wherein: the inclined angle of the wedge block is the same as that of the conical sleeve.
4. The ear canal support dilator for otorhinolaryngological use of claim 1, wherein: when the expansion plate is in a closed state, a gap is formed between the wedge block and the outer wall of the small-diameter part of the fixing sleeve; and a spring is arranged at the clearance position, and two ends of the spring are respectively fixedly connected with the outer wall of the small diameter part of the fixed sleeve of the wedge-shaped block.
5. The ear canal support dilator for otorhinolaryngological use of claim 1, wherein: a placing rod is arranged in the fixing sleeve, and a hook is arranged on the placing rod.
6. The ear canal support dilator for otorhinolaryngological use of claim 1, wherein: the large-diameter part of the fixed sleeve is provided with a fixed belt.
7. The ear canal support dilator for otorhinolaryngological use according to claim 6, wherein: the fixing band is made of elastic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921212551.9U CN211214905U (en) | 2019-07-30 | 2019-07-30 | Ear canal supporting dilator for ear-nose-throat department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921212551.9U CN211214905U (en) | 2019-07-30 | 2019-07-30 | Ear canal supporting dilator for ear-nose-throat department |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211214905U true CN211214905U (en) | 2020-08-11 |
Family
ID=71934083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921212551.9U Expired - Fee Related CN211214905U (en) | 2019-07-30 | 2019-07-30 | Ear canal supporting dilator for ear-nose-throat department |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211214905U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112869944A (en) * | 2021-02-24 | 2021-06-01 | 广州市英侨科技发展有限公司 | Otology operation expanding unit |
-
2019
- 2019-07-30 CN CN201921212551.9U patent/CN211214905U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112869944A (en) * | 2021-02-24 | 2021-06-01 | 广州市英侨科技发展有限公司 | Otology operation expanding unit |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200811 Termination date: 20210730 |
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| CF01 | Termination of patent right due to non-payment of annual fee |