CN210727765U - Earplug for CT scanning and positioning of external ear tumor - Google Patents
Earplug for CT scanning and positioning of external ear tumor Download PDFInfo
- Publication number
- CN210727765U CN210727765U CN201920497924.5U CN201920497924U CN210727765U CN 210727765 U CN210727765 U CN 210727765U CN 201920497924 U CN201920497924 U CN 201920497924U CN 210727765 U CN210727765 U CN 210727765U
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- CN
- China
- Prior art keywords
- earplug
- earplug body
- external ear
- liquid storage
- liquid
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- 238000002591 computed tomography Methods 0.000 title claims abstract description 18
- 208000024728 external ear neoplasm Diseases 0.000 title claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 239000002872 contrast media Substances 0.000 claims abstract description 20
- 238000000926 separation method Methods 0.000 claims abstract description 3
- 206010028980 Neoplasm Diseases 0.000 claims description 13
- 210000000883 ear external Anatomy 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 5
- 239000006260 foam Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- 230000004807 localization Effects 0.000 claims 1
- 210000000613 ear canal Anatomy 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 239000012528 membrane Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010015866 Extravasation Diseases 0.000 description 1
- MBBZMMPHUWSWHV-BDVNFPICSA-N N-methylglucamine Chemical compound CNC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO MBBZMMPHUWSWHV-BDVNFPICSA-N 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 230000036251 extravasation Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- -1 fatty acid iodide Chemical class 0.000 description 1
- DGAIEPBNLOQYER-UHFFFAOYSA-N iopromide Chemical compound COCC(=O)NC1=C(I)C(C(=O)NCC(O)CO)=C(I)C(C(=O)N(C)CC(O)CO)=C1I DGAIEPBNLOQYER-UHFFFAOYSA-N 0.000 description 1
- 229960002603 iopromide Drugs 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229960003194 meglumine Drugs 0.000 description 1
- MIKKOBKEXMRYFQ-WZTVWXICSA-N meglumine amidotrizoate Chemical compound C[NH2+]C[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO.CC(=O)NC1=C(I)C(NC(C)=O)=C(I)C(C([O-])=O)=C1I MIKKOBKEXMRYFQ-WZTVWXICSA-N 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
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- Apparatus For Radiation Diagnosis (AREA)
Abstract
The utility model provides an earplug for CT scanning and positioning of external ear tumors, which comprises a water-absorbing earplug body, wherein the outer edge of the earplug body is cylindrical, the top part is a cambered surface, the diameter of the earplug body is uniformly increased from the top part to the bottom part, a liquid storage cavity and a hollow cavity are arranged in the earplug body, and a contrast agent is stored in the liquid storage cavity; the liquid storage cavity and the hollow cavity are separated by a liquid separation film; the liquid-proof film is connected with a lead extending to the outer side of the earplug body, when the lead is pulled outwards forcibly, the liquid-proof film is broken, meanwhile, the side surface extrudes the earplug body, the contrast agent is diffused into the earplug body, and then the earplug is plugged into an ear, so that the earplug is tightly attached to an ear canal. The utility model discloses structure and simple process, convenient operation.
Description
Technical Field
The utility model relates to the technical field of medical appliances, concretely relates to earplug is used in external ear tumour CT scanning location.
Background
External ear tumors often occur in the external ear canal and prior to treatment, the patient is usually located by CT scanning. At present, gauze strips dipped with contrast agents are usually filled in the external auditory meatus for developing and positioning so as to facilitate the external auditory meatus and the tumor area to be seen conveniently. However, this method has the following problems: 1. the amount of added contrast agent is not well controlled artificially; 2. gauze strips usually cannot completely fit and fill the auditory canal after being inserted into the ear; 3. because of dose build-up, the air gap makes the external auditory meatus tumor dose insufficient; 4. after the gauze strip is plugged into the ear, if the plug is deeper, the plug is inconvenient to take out.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that exists, the utility model provides an earplug is used in external ear tumour CT scanning location, overall structure adopts the earplug form, simple structure, and convenient to use can make earplug and duct closely laminate, and takes out the convenience.
The utility model adopts the following technical scheme:
an earplug for CT scanning and positioning of external ear tumors comprises a water-absorbing earplug body, wherein the outer edge of the earplug body is cylindrical, the top of the earplug body is a cambered surface, the diameter of the earplug body is uniformly increased from the top to the bottom of the earplug body, a liquid storage cavity and a hollow cavity are arranged in the earplug body, and a contrast agent is stored in the liquid storage cavity; the liquid storage cavity is separated from the hollow cavity through a liquid separation film; the liquid-proof film is connected with a lead extending to the outer side of the earplug body, when the lead is pulled outwards forcibly, the liquid-proof film is broken, meanwhile, the earplug body is extruded by the side face, and the contrast agent is diffused into the earplug body.
The hollow cavity is positioned below the liquid storage cavity.
The outside of earplug body still is equipped with one deck protection film for prevent to get into this internal contrast medium of earplug produces the exosmosis.
The earplug body is made of compressible water-absorbing flexible material.
Preferably, the earplug body is one of a foam plug, a silicone plug, or a sponge plug.
The protective film and the liquid storage cavity are both made of waterproof flexible materials; the hollow cavity is enclosed by the earplug body.
The amount of contrast agent is such that it diffuses circumferentially to the outer edge of the earplug body.
This novel technical scheme of implementation has following advantage:
A. the utility model discloses earplug is used in external ear tumour CT scanning location, it has stored contrast agent liquid storage chamber and well cavity to be equipped with in the inside of earplug body, separate through one between liquid storage chamber and the well cavity and separate the liquid membrane, and connect a wire that extends to the earplug body outside on separating the liquid membrane, pull the wire outward hard during the use, separate the liquid membrane and break, side extrusion earplug body simultaneously, the contrast agent gets into the earplug body and spreads at this internal of earplug, then with the earplug stopper in the ear, can make earplug and the inseparable laminating of duct.
B. The utility model discloses earplug is used in external ear tumour CT scanning location is filled in the duct when location and treatment, can overcome the effect of establishing on skin surface, improves tumour dose.
C. The utility model discloses earplug is used in external ear tumour CT scanning location extends to the earplug body outside with the wire that is connected at a distance from the liquid film, and when pulling the wire outward hard and making and separate the liquid film and break the back, the one end of wire is thrown away and is stayed this internal at the earplug, and the earplug is taken out in the ear canal after finishing using at the earplug.
D. The utility model discloses structure and simple process, convenient operation.
Drawings
In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of the whole structure of the earplug for CT scanning and positioning of external ear tumor of the present invention;
fig. 2 is a sectional view of the earplug for CT scanning and positioning of external ear tumor of the present invention.
Description of reference numerals:
1-an earplug body; 2-protective film; 3-liquid storage cavity; 4-a contrast agent; 5-a liquid-barrier membrane; 6-hollow cavity; 7-a wire; 8-hand pulling ring.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-2, the utility model provides an earplug for CT scanning and positioning of external ear tumor, which comprises a water-absorbing earplug body 1, wherein the outer edge of the earplug body 1 is cylindrical, the top is a cambered surface, the diameter of the earplug body is uniformly increased from the top to the bottom, a liquid storage cavity 3 and a hollow cavity 6 are arranged inside the earplug body 1, and a contrast agent 4 is stored in the liquid storage cavity 3; the liquid storage cavity 3 and the hollow cavity 6 are separated by a liquid isolating film 5; the liquid-proof film 5 is connected with a lead 7 extending to the outer side of the earplug body 1, when the lead 7 is pulled outwards by force, the liquid-proof film 5 is broken, meanwhile, the earplug body 1 is extruded by the side surface, the contrast agent 4 enters the earplug body 1 and is diffused in the earplug body 1, and then the earplug is plugged in an ear, so that the earplug can be tightly attached to an ear canal. The lead 7 connected with the liquid-proof film 5 extends to the outside of the earplug body 1, when the lead 7 is pulled outwards by force to break the liquid-proof film 5, one end of the lead 7 is thrown and left in the earplug body 1, and the earplug is taken out from the ear canal after the earplug is used. The utility model discloses earplug is used in external ear tumour CT scanning location is filled in the duct when location and treatment, can overcome the effect of establishing on skin surface, improves tumour dose.
The hollow cavity 6 is positioned below the liquid storage cavity 3. The outside of the earplug body 1 is also provided with a layer of protective film 2 for preventing the contrast agent 4 entering the earplug body 1 from generating extravasation.
The earplug body 1 is made of compressible water-absorbing flexible material, such as one of a foam plug, a silica gel plug or a sponge plug. The protective film 2 and the liquid storage cavity 3 are both made of waterproof flexible materials. The amount of contrast agent 4 in the reservoir 3 is such that it is able to diffuse circumferentially to the outer edge of the earplug body 1. The contrast agent 4 can be selected from meglumine diatrizoate, meglumine iodotalate, iopromide and fatty acid iodide. The hollow cavity 6 is enclosed by the earplug body 1.
The utility model discloses structure and simple process, convenient operation has better spreading value.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (7)
1. An earplug for CT scanning and positioning of external ear tumors comprises a water-absorbing earplug body (1), wherein the outer edge of the earplug body (1) is cylindrical, the top of the earplug body is a cambered surface, and the diameter of the earplug body is uniformly increased from the top to the bottom of the earplug body, and is characterized in that a liquid storage cavity (3) and a hollow cavity (6) are arranged inside the earplug body (1), and a contrast agent (4) is stored in the liquid storage cavity (3); the liquid storage cavity (3) is separated from the hollow cavity (6) through a liquid separation film (5); the liquid-proof film (5) is connected with a lead (7) extending to the outer side of the earplug body (1), when the lead (7) is pulled outwards forcibly, the liquid-proof film (5) is broken, meanwhile, the earplug body (1) is extruded from the side surface, and the contrast agent (4) is diffused into the earplug body (1).
2. The earplug for locating the tumor in the external ear according to claim 1, wherein the hollow cavity (6) is located below the liquid storage cavity (3).
3. The earplug for locating the tumor in the external ear according to claim 2, wherein a layer of protective film (2) is further disposed on the outer side of the earplug body (1) for preventing the contrast medium (4) entering into the earplug body (1) from leaking.
4. The earplug for locating the tumor in the external ear according to claim 3, wherein the earplug body (1) is made of a compressible water-absorbing flexible material.
5. The earplug for CT scanning and positioning of external ear tumors according to claim 4, wherein the earplug body (1) is one of a foam plug, a silica gel plug or a sponge plug.
6. The earplug for the CT scanning and positioning of the external ear tumor according to claim 5, wherein the protective film (2) and the liquid storage cavity (3) are both made of waterproof flexible material; the hollow cavity (6) is enclosed by the earplug body (1).
7. Earplug for the CT scan localization of external ear tumors according to any of claims 1-6, wherein the contrast agent (4) is present in an amount such that it spreads circumferentially to the outer edge of the earplug body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920497924.5U CN210727765U (en) | 2019-04-13 | 2019-04-13 | Earplug for CT scanning and positioning of external ear tumor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920497924.5U CN210727765U (en) | 2019-04-13 | 2019-04-13 | Earplug for CT scanning and positioning of external ear tumor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210727765U true CN210727765U (en) | 2020-06-12 |
Family
ID=70984695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920497924.5U Active CN210727765U (en) | 2019-04-13 | 2019-04-13 | Earplug for CT scanning and positioning of external ear tumor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210727765U (en) |
-
2019
- 2019-04-13 CN CN201920497924.5U patent/CN210727765U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200903 Address after: No.601, unit 26, yard 26, Fucheng Road, Haidian District, Beijing Patentee after: Zhou Shunan Address before: 100091 Department of Radiology, No.17, heihehujia, Haidian District, Beijing Patentee before: THE 8TH MEDICAL CENTER OF CHINESE PLA GENERAL Hospital |