CN217430065U - Nasal cavity dilator for enlarging nasal cavity volume - Google Patents
Nasal cavity dilator for enlarging nasal cavity volume Download PDFInfo
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- CN217430065U CN217430065U CN202120497052.XU CN202120497052U CN217430065U CN 217430065 U CN217430065 U CN 217430065U CN 202120497052 U CN202120497052 U CN 202120497052U CN 217430065 U CN217430065 U CN 217430065U
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Abstract
The utility model relates to the technical field of machinery. A nasal cavity dilator for enlarging nasal cavity volume comprises a support piece for propping against the nasal septum, the support piece comprises a guide sleeve and a support piece, and the nasal cavity dilator further comprises a pushing piece for pushing the lower turbinate outwards, wherein the pushing piece comprises a guide piece and a pushing piece; the supporting sheet and the pushing sheet are parallel to each other, and the width of the supporting sheet and the width of the pushing sheet are larger than 1 cm; the guide piece is connected with the guide sleeve in a sliding manner, and the guide piece and the guide sleeve are limited and locked by a locking mechanism; the locking mechanism comprises limiting teeth and a locking part, the limiting teeth are arranged on the guide sheet in sequence from left to right, and the locking part is used for limiting and abutting against the limiting teeth; the center of the locking piece is hinged with the guide sleeve, the left end of the locking piece is connected with the guide sleeve through a return spring, and the other end of the locking piece is provided with a locking tooth which is propped against the limiting tooth; the guide sleeve is provided with a notch for inserting the locking teeth. The utility model discloses a relative slip of support piece and bulldozing piece can outwards bulldoze the inferior turbinate.
Description
Technical Field
The utility model relates to the technical field of machinery, specifically nasal cavity struts ware.
Background
The main clinical symptom of the chronic rhinitis is nasal obstruction, the reason is that the nasal cavity ventilation volume is reduced due to thickening of inferior turbinate mucous membrane and sclerotin caused by long-term chronic inflammation of the nasal cavity, the symptom of the nasal obstruction is generated, and the main method for clinically treating the chronic hypertrophic rhinitis is nasal endoscope nasal cavity dilatation minimally invasive surgery. At present, the instrument for the operation adopts operation strippers for nasal septum operation to push the inferior turbinate mucous membrane and bone substances to the outer side wall of the nasal cavity for multiple times and multiple points, so that the inferior turbinate mucous membrane becomes thin, the inferior turbinate bone substances are fractured outwards, the ventilation volume of the nasal cavity is enlarged, and the ventilation function of the nasal cavity is improved.
This instrument has significant disadvantages in this procedure, namely:
the length of the lower turbinate of an adult is about 50mm, the width of the lower turbinate of the adult is about 15mm, the contact surface of the device and the mucous membrane of the lower turbinate is small (only about 0.5mm multiplied by 0.5 mm), the mucous membrane of the lower turbinate is damaged in different degrees when the lower turbinate is pushed to the outer side of the nasal cavity every time, the lower turbinate is pushed for many times and multiple points, the whole lower turbinate mucous membrane can be thinned, the bone fracture of the lower turbinate is moved outwards, thus the mucous membrane of the lower turbinate is easily damaged at multiple positions, complications such as mucous membrane bleeding and postoperative mucous membrane adhesion of the nasal cavity are caused, nasal obstruction symptoms are caused after the mucous membrane adhesion of the nasal cavity, and the treatment effect is directly influenced.
However, the existing nasal septum dilator (for example, a nasal dilator disclosed in chinese patent No. CN208892537U, or a fixed dilator disclosed in chinese patent No. CN 202801695U) is used for dilating the nasal septum mucosa, and if it is used in a nasal dilation minimally invasive surgery, there are also obvious disadvantages, that is: the force of expansion is not enough, and the expansion force is not enough to fracture the inferior turbinate; moreover, the instruments are all in a horn shape, namely the front end opening degree is larger than the rear end opening degree after the instruments are opened, so that the front part of the nasal cavity is not expanded to a large degree when in operation, and the nasal cavity ventilation effect of a patient after the operation is poor.
SUMMERY OF THE UTILITY MODEL
To the problem that prior art exists, the utility model provides an enlarge volumetric nasal cavity of nasal cavity and strut ware to solve above at least one technical problem.
In order to achieve the above object, the present invention provides a nasal cavity dilator for expanding nasal cavity volume, which is characterized in that the dilator comprises a supporting member for supporting the nasal septum, the supporting member comprises a guide sleeve and a supporting sheet, the guide sleeve and the supporting sheet are perpendicular to each other;
the nasal concha pushing device comprises a pushing piece and a pressing piece, wherein the pushing piece is used for pushing the lower nasal concha outwards and comprises a guide piece and a pressing piece, and the guide piece and the pressing piece are perpendicular to each other;
the supporting sheet and the pushing sheet are parallel to each other, and the width of the supporting sheet and the width of the pushing sheet are larger than 1 cm;
the guide piece is connected with the guide sleeve in a sliding mode, and the guide piece and the guide sleeve are limited and locked through a locking mechanism;
the locking mechanism comprises limiting teeth and locking parts, the limiting teeth are arranged on the guide sheet in sequence from left to right, and the locking parts are used for limiting and abutting against the limiting teeth;
the center of the locking piece is hinged with the guide sleeve, the left end of the locking piece is connected with the guide sleeve through a return spring, and the other end of the locking piece is provided with a locking tooth which is abutted against the limiting tooth;
and a notch for inserting the locking tooth is formed in the guide sleeve.
The utility model discloses a relative slip of support piece and bulldozing piece can outwards bulldoze the inferior turbinate. The operation of thinning the mucous membrane of the inferior turbinate and moving the bone fracture of the inferior turbinate can be finished by one-time distraction operation, which creates favorable conditions for the clinician to carry out the operation under the nasal endoscope and provides convenience for the clinical operation; because the instrument can be contacted with the whole inferior turbinate mucosa, the injury of the inferior turbinate mucosa can be avoided; the utility model discloses it is simple and convenient to use, effectual.
Further preferably, the limiting teeth may be concave limiting toothed grooves, and the depth of the limiting toothed grooves decreases from left to right;
the outer contour of the locking teeth is matched with the limiting tooth-shaped groove.
Preferably, a support column extending outwards is welded and fixed at the center of the guide sleeve, and the top of the support column is hinged with the locking piece.
The left-right swing of the locking piece is convenient. And the locking and releasing switching is realized.
Further preferably, the left end of the guide piece is connected with the front end of the pushing piece;
and one side of the guide piece, which is far away from the pushing piece, is provided with an extending piece which extends forwards.
So as to drive the left and right sliding of the pushing piece through the extending piece.
Further preferably, the pushing piece is L-shaped, the pushing piece includes a first insertion portion for inserting into the nasal cavity and a first connecting piece for connecting the guide piece and the first insertion portion, and the first insertion portion and the first connecting piece are connected to form the pushing piece.
Further preferably, the front end of the support sheet is connected with the guide sleeve;
one side of the guide sleeve, which is far away from the support sheet, is fixedly connected with a sheet-shaped body which extends forwards.
The relative movement of the pushing element and the supporting element is convenient to realize. The force application of the hand is convenient.
Further preferably, the support sheet is L-shaped, the support sheet includes a second insertion portion for inserting into a nasal cavity and a second connector for connecting the guide sleeve and the second insertion portion, and the second insertion portion and the second connector are connected to form the support sheet.
Further preferably, the supporting member is detachably connected to the pushing member. And a sliding groove for guiding the guide sheet to slide left and right is arranged on the guide sleeve. The pushing component and the pushing component can be conveniently and detachably connected.
Further preferably, the length of the guide sleeve is 4.9cm-5.1cm, the length of the second connecting piece is 2.4cm-2.6cm, and the length of the second insertion part is 5.4cm-5.6 cm;
the length of the guide piece is 4.9cm-5.1cm, the length of the first connecting piece is 2.4cm-2.6cm, and the length of the first insertion part is 5.4cm-5.6 cm.
Further preferably, the guide sheet is provided with scale marks from left to right in the length direction.
The visual embodiment of the relative sliding distance between the guide sheet and the guide sleeve is convenient to realize.
Further preferably, the supporting sheet and the head end of the pushing sheet are semicircular. Reduce the abrasion to the nasal cavity.
Further preferably, the support sheet and the head end of the pushing sheet are both sleeved with a silica gel sleeve. Reduce the abrasion to the nasal cavity.
The utility model has the advantages of it is following and positive effect:
firstly, the operation of thinning the mucous membrane of the inferior turbinate and moving the bone fracture of the inferior turbinate can be completed by one operation, thereby creating favorable conditions for a clinician to carry out the operation under the nasal endoscope and providing convenience for the clinical operation;
the instrument can be contacted with the whole inferior turbinate mucous membrane, so that the injury of the inferior turbinate mucous membrane can be avoided;
the front and back opening degree of the instrument is the same, the front and back expansion degree of the nasal cavity is the same during operation, and the postoperative ventilation effect is good.
Fourthly, the utility model has simple and convenient use and good effect.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is a schematic view showing a structure of a pushing member according to embodiment 1 of the present invention;
fig. 3 is a schematic structural view of a supporting member according to embodiment 1 of the present invention;
fig. 4 is a cross-sectional view of embodiment 1 of the present invention.
Wherein: 11 is a support piece, 12 is a guide sleeve, 13 is a sheet-shaped body, 21 is a pushing piece, 22 is a guide piece, 23 is an extension piece, 31 is a locking piece, and 32 is a return spring.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Embodiment 1, referring to fig. 1 to 4, a nasal cavity dilator for enlarging nasal cavity volume comprises a support for supporting the nasal septum, the support comprises a guide sleeve 12 and a support sheet 11, and further comprises a pushing piece for pushing the inferior turbinate outwards, the pushing piece comprises a guide piece 22 and a pushing piece 21; the support sheet 11 and the pushing sheet 21 are parallel to each other, and the widths of the support sheet 11 and the pushing sheet 21 are larger than 1 cm; the guide piece 22 is connected with the guide sleeve 12 in a sliding manner, and the guide piece 22 and the guide sleeve 12 are limited and locked by a locking mechanism; the locking mechanism comprises limiting teeth and a locking part, the limiting teeth are arranged on the guide sheet 22 in sequence from left to right, and the locking part is used for limiting and abutting against the limiting teeth; the center of the locking piece 31 is hinged with the guide sleeve 12, the left end of the locking piece 31 is connected with the guide sleeve 12 through a return spring 32, and the other end of the locking piece 31 is provided with a locking tooth which is propped against the limiting tooth; the guide sleeve 12 is provided with a notch for inserting the locking teeth. The utility model discloses a relative slip of support piece and bulldozing piece can outwards bulldoze the inferior turbinate. The operation of thinning the mucous membrane of the inferior turbinate and moving the bone fracture of the inferior turbinate can be finished by one operation, which creates favorable conditions for the clinician to carry out the operation under the nasal endoscope and provides convenience for the clinical operation; because the instrument can be contacted with the whole inferior turbinate mucosa, the injury of the inferior turbinate mucosa can be avoided; the utility model discloses it is simple and convenient to use, effectual.
The limiting teeth can be concave limiting toothed grooves, and the depth of the limiting toothed grooves decreases progressively from left to right; the outer contour of the locking tooth is matched with the limiting tooth-shaped groove.
And a support column extending outwards is welded and fixed in the center of the guide sleeve 12, and the top of the support column is hinged with the locking piece. The left-right swing of the locking piece is convenient. And locking and releasing switching is realized. One end of the reset spring is fixed on the locking piece through a screw, and the other end of the reset spring is fixed on the guide sleeve through a screw. The return spring can be a spring with two axially narrow ends and a wide middle.
The left end of the guide piece 22 is connected with the front end of the pushing piece 21, and one side of the guide piece 22 far away from the pushing piece 21 is provided with an extension piece 23 extending forwards. The left and right sliding of the pushing element is driven by the extending sheet. The pushing piece 21 is L-shaped. The pushing piece 21 includes a first insertion portion for insertion into the nasal cavity and a first connecting piece for connecting the guide piece 22 and the first insertion portion, and the first insertion portion and the first connecting piece are connected to form the pushing piece 21. The first inserting portion and the first connecting piece form an included angle of 90 degrees.
The front end of the support sheet 11 is connected with a guide sleeve 12; a forwardly extending plate 13 is fixedly connected to the side of the guide sleeve 12 remote from the support plate 11. The relative movement of the pushing element and the supporting element is convenient to realize. The force application of the hand is convenient. The support sheet 11 is L-shaped. The support plate 11 includes a second insertion portion for inserting into the nasal cavity and a second connection member for connecting the guide sleeve 12 and the second insertion portion, and the second insertion portion and the second connection member are connected to form the support plate 11. The second inserting part and the second connecting piece form an included angle of 90 degrees.
The supporting piece is detachably connected with the pushing piece. The guide sleeve is provided with a sliding groove for guiding the guide sheet to slide left and right. The pushing component and the pushing component can be conveniently and detachably connected. The guide sleeve comprises a substrate, and sliding grooves are formed in two ends of the long side of the substrate. The guide sleeve 12 is provided with an opening for inserting and guiding the pushing piece 21 to slide left and right. The right end of the guide sleeve is an insertion end.
The length of the guide sleeve 12 is 4.9cm-5.1cm, the length of the second connecting piece is 2.4cm-2.6cm, and the length of the second inserting part is 5.4cm-5.6 cm; the length of the guide piece 22 is 4.9cm-5.1cm, the length of the first connecting piece is 2.4cm-2.6cm, and the length of the first insertion part is 5.4cm-5.6 cm.
The guide piece 22 is provided with scale marks in the length direction from left to right. The intuitive expression of the distance of the relative sliding of the guide piece 22 and the guide sleeve 12 is facilitated. Preferably, the front and back surfaces of the guide piece are provided with scale marks with the length direction being the left and right direction. The operation of realizing left nose and right nose is convenient for realize single device. The graduation marks are preferably located at the right end of the guide plate.
The supporting sheet and the head end of the pushing sheet are semicircular. Reduce the abrasion to the nasal cavity. The support sheet 11 and the head end of the pushing sheet 21 are both sleeved with a silica gel sleeve. Reduce the abrasion to the nasal cavity.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A nasal cavity dilator for expanding nasal cavity volume is characterized by comprising a support piece for propping against nasal septum, wherein the support piece comprises a guide sleeve and a support piece, and the guide sleeve and the support piece are mutually vertical;
the nasal concha pushing device comprises a pushing piece and a pressing piece, wherein the pushing piece is used for pushing the lower nasal concha outwards and comprises a guide piece and a pressing piece, and the guide piece and the pressing piece are perpendicular to each other;
the supporting sheet and the pushing sheet are parallel to each other, and the width of the supporting sheet and the width of the pushing sheet are larger than 1 cm;
the guide piece is connected with the guide sleeve in a sliding mode, and the guide piece and the guide sleeve are limited and locked through a locking mechanism;
the locking mechanism comprises limiting teeth and a locking part, the limiting teeth are arranged on the guide sheet in sequence from left to right, and the locking part is used for limiting and abutting against the limiting teeth;
the center of the locking piece is hinged with the guide sleeve, the left end of the locking piece is connected with the guide sleeve through a return spring, and the other end of the locking piece is provided with a locking tooth which is abutted against the limiting tooth;
and a notch for inserting the locking tooth is formed in the guide sleeve.
2. A nasal cavity dilator for enlarging the volume of a nasal cavity according to claim 1 wherein: the limiting teeth are concave limiting toothed grooves, and the depth of the limiting toothed grooves is gradually reduced from left to right;
the outer contour of the locking teeth is matched with the limiting toothed groove.
3. A nasal cavity dilator for enlarging the volume of a nasal cavity according to claim 1 wherein: and a support column extending outwards is fixedly welded in the center of the guide sleeve, and the top of the support column is hinged with the locking piece.
4. A nasal cavity dilator for enlarging the volume of a nasal cavity according to claim 1 wherein: the left end of the guide piece is connected with the front end of the pushing piece;
and one side of the guide piece, which is far away from the pushing piece, is provided with an extending piece which extends forwards.
5. A nasal cavity dilator for enlarging the volume of a nasal cavity according to claim 1 wherein: the pushing piece is L-shaped, the pushing piece comprises a first insertion portion used for being inserted into a nasal cavity and a first connecting piece used for being connected with the guide piece and the first insertion portion, and the first insertion portion is connected with the first connecting piece to form the pushing piece.
6. A nasal cavity dilator for enlarging the volume of a nasal cavity according to claim 1 wherein: the front end of the support sheet is connected with the guide sleeve;
one side of the guide sleeve, which is far away from the support sheet, is fixedly connected with a sheet-shaped body which extends forwards.
7. A nasal cavity dilator for enlarging the volume of a nasal cavity according to claim 1 wherein: the support sheet is L-shaped, the support sheet comprises a second insertion part used for being inserted into a nasal cavity and a second connecting piece used for connecting the guide sleeve and the second insertion part, and the second insertion part and the second connecting piece are connected to form the support sheet.
8. A nasal cavity dilator for enlarging the volume of a nasal cavity according to claim 1 wherein: the supporting piece is detachably connected with the pushing piece.
9. A nasal cavity dilator for enlarging the volume of a nasal cavity according to claim 8 wherein: and a sliding groove for guiding the guide sheet to slide left and right is arranged on the guide sleeve.
10. A nasal cavity dilator for enlarging the volume of a nasal cavity according to claim 1 wherein: and scale marks with the length direction from left to right are arranged on the guide sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120497052.XU CN217430065U (en) | 2021-03-09 | 2021-03-09 | Nasal cavity dilator for enlarging nasal cavity volume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120497052.XU CN217430065U (en) | 2021-03-09 | 2021-03-09 | Nasal cavity dilator for enlarging nasal cavity volume |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217430065U true CN217430065U (en) | 2022-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120497052.XU Active CN217430065U (en) | 2021-03-09 | 2021-03-09 | Nasal cavity dilator for enlarging nasal cavity volume |
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| Country | Link |
|---|---|
| CN (1) | CN217430065U (en) |
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2021
- 2021-03-09 CN CN202120497052.XU patent/CN217430065U/en active Active
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