CN115299882A - Eustachian tube OCT (optical coherence tomography), eustachian tube balloon dilatation booster and application of OCT in eustachian tube balloon operation - Google Patents

Abstract

The invention discloses an auditory tube OCT (optical coherence tomography), an auditory tube balloon dilatation booster and application of the OCT in auditory tube balloon surgery, and belongs to the technical field of OCT and auditory tube balloon dilatation. The eustachian tube OCT comprises an imaging probe, wherein one end of the imaging probe is connected with an imaging catheter, catheter sheaths are arranged outside the imaging catheter and the imaging probe, a guide wire outlet is formed in one end, close to the imaging probe, of the imaging catheter, and the guide wire outlet penetrates out of the outer surface of the catheter sheath; and one end of the imaging catheter, which is far away from the imaging probe, is provided with a guide wire inlet, and a guide wire penetrates through the guide wire inlet and penetrates out through the guide wire outlet. The invention can realize the accurate positioning of the affected part of the eustachian tube, is noninvasive, efficient and convenient, and realizes the accurate treatment of the affected part of the eustachian tube.

Description

Eustachian tube OCT, eustachian tube balloon dilatation booster and application of OCT in eustachian tube balloon operation

Technical Field

The invention belongs to the technical field of OCT and eustachian tube balloon dilatation, and particularly relates to an OCT for a eustachian tube, a eustachian tube balloon dilatation assistor and application of the OCT in eustachian tube balloon operation.

Background

For patients with eustachian tube dysfunction, the condition of the eustachian tube structure is generally determined by applying conventional imaging examination such as eustachian tube CT (computed tomography) and the like, but the CT examination can only generally evaluate the bony structure of the eustachian tube or clearly determine whether the eustachian tube has space-occupying lesion, and the nature, degree and local lesion condition of the eustachian tube cavity lesion cannot be accurately determined; MRI can only roughly assess the condition of the cartilaginous part or soft tissue, but the range and degree of the pathological changes of the eustachian tube, the condition in the eustachian tube lumen, the presence or absence of pathological changes in the parts of the mucosa and submucosa of the eustachian tube, and the specific parts of the pathological changes can not be clearly displayed. The prior art uses contrast agents that can only substantially assess the changes in eustachian tube length, where specific lesions are difficult to locate.

The dysfunction of the eustachian tube can cause diseases such as chronic secretory otitis media, atelectasis of middle ear and even cholesteatoma of middle ear, and other cases such as ear distress after middle ear mastoid operation, tympanum invagination and ossicular prolapse are related to the dysfunction of the eustachian tube in clinic. The most effective treatment methods at present are eustachian tube balloon dilatation. In the prior art, the eustachian tube balloon dilatation cannot accurately treat the lesion of the eustachian tube cartilage segment due to the fact that the position of the eustachian tube lesion cannot be accurately positioned and the type and the degree of the eustachian tube lesion cannot be accurately judged.

The Optical Coherence Tomography (OCT) uses the basic principle of weak coherent Optical interferometers to detect back-reflected or several scattered signals of incident weak coherent light at different depth levels of a biological tissue, and scans the signals to obtain a two-dimensional or three-dimensional structural image of the biological tissue. OCT is a novel non-invasive imaging technique that can provide real-time images with microscopic resolution of 10-20 μm. Since the development of luminal OCT systems, the application of OCT has expanded to the diagnosis of disease.

An optical coherence imaging display system integrated with an optical coherence tomography technology is currently applied to ophthalmology and diagnosis of coronary artery vascular lesions, and a contrast medium is conventionally applied to coronary artery blood vessels in order to eliminate interference of red blood cells and the like on OCT. However, the inventors have found that OCT is not currently in widespread use in eustachian tube lumens, as it is not conducive to image acquisition when applied in eustachian tube lumens.

Disclosure of Invention

The invention aims to provide an auditory tube OCT, an auditory tube balloon dilatation booster and an application of the OCT in the auditory tube balloon operation, which can realize accurate positioning of an affected part of an auditory tube, are noninvasive, efficient, convenient and fast, realize accurate treatment of the affected part of the auditory tube and solve the problems in the prior art.

In order to solve the technical problems, the invention is realized by the following technical scheme:

in a first aspect, the invention provides a eustachian tube OCT.

The eustachian tube OCT comprises an imaging probe, wherein one end of the imaging probe is connected with an imaging catheter, catheter sheaths are arranged outside the imaging catheter and the imaging probe, a guide wire outlet is formed in one end, close to the imaging probe, of the imaging catheter, and the guide wire outlet penetrates out of the outer surface of the catheter sheath; and one end of the imaging catheter, which is far away from the imaging probe, is provided with a guide wire inlet, and a guide wire penetrates through the guide wire inlet and penetrates out through the guide wire outlet.

Preferably, the catheter sheath and the imaging catheter are both in a circular truncated cone shape, and the outer diameters of the catheter sheath and the imaging catheter at the ends far away from the imaging probe are gradually reduced.

Preferably, the distance between the tip of the catheter sheath and the imaging probe is 2mm.

The invention provides a eustachian tube balloon expansion aid manufactured based on the eustachian tube OCT.

A eustachian tube balloon dilatation booster manufactured based on the eustachian tube OCT comprises a booster body and a boosting tube matched with the booster body for use, wherein the booster body and the boosting tube are of cylindrical cavity structures, one end of the boosting tube is an eustachian tube balloon placing end, and a eustachian tube balloon is arranged in the eustachian tube balloon placing end; an OCT imbedding tube is arranged on one side of the pushing tube, and a eustachian tube OCT is arranged in the OCT imbedding tube.

Preferably, the inner diameter of the booster body is larger than the outer diameter of the booster tube.

Preferably, the outer surface of the booster body is symmetrically provided with handheld lugs, and the outer surface of the boosting tube is provided with boosting lugs.

Preferably, the front end of the booster body is provided with a transition section, the front end of the transition section is provided with a guide rod, and the transition section and the guide rod are both of a cavity structure for the eustachian tube OCT and the eustachian tube balloon to pass through.

Preferably, the front end of the guide rod is provided with a guide end, and the guide end is of an obliquely arranged cylindrical structure.

Preferably, a sealing cap is arranged outside the OCT implanting tube, and the eustachian tube balloon is a balloon with a medicine or an irrigating balloon.

In a third aspect, the invention provides an application of the eustachian tube OCT in eustachian tube saccarotomy.

The invention has the following beneficial effects:

1. the invention improves the traditional OCT structure, sets the distance between the tip of the catheter sheath and the imaging probe to be 2mm, can be applied to eustachian tube examination, determines the pathological changes of the eustachian tube mucous membrane, the part under the mucous membrane and the like through the OCT technology, and further diagnoses whether the eustachian tube has the local pathological changes, and compared with the prior art, the invention can obtain more accurate diagnosis results.

2. The auditory tube OCT can objectively observe the cross section and volume change of the auditory tube, clarify the change of the auditory tube before and after treatment of patients with eustachian tube dysfunction and judge the effectiveness and actual action value of treatment methods such as eustachian tube saccule expansion and the like.

3. Compared with the prior art, the invention can obtain accurate lesion positioning on the premise of no wound, can timely and conveniently observe the conditions in the eustachian tube cavity, can clarify the local condition of the eustachian tube, is favorable for accurately judging the etiology of a patient with poor eustachian tube function and formulating a targeted diagnosis and treatment scheme.

4. The eustachian tube balloon dilatation assistor can be used for observing eustachian tube lesions, accurately judging the eustachian tube lesions and simultaneously treating the eustachian tube lesions according to the eustachian tube lesion conditions; the pushing aid takes OCT as guidance, firstly accurately positions a diseased region, then selects different balloons such as a balloon with medicine or a flushable balloon according to the diseased condition of the eustachian tube, and carries out accurate and targeted treatment on the diseased region, such as appropriate pressurization or repeated expansion and the like on the region with obvious stenosis, so that better and targeted treatment effect can be obtained.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a eustachian tube OCT according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of a eustachian tube balloon dilatation aid according to an embodiment of the invention.

In the drawings, the components represented by the respective reference numerals are listed below: the device comprises an imaging probe 1, an imaging catheter 2, a catheter sheath 3, a guide wire outlet 4, a guide wire inlet 5, a pusher body 6, a pusher tube 7, a eustachian tube balloon insertion end 8, an OCT insertion tube 9, a handheld ear 10, a pusher ear 11, a transition section 12, a guide rod 13, a guide end 14, a sealing cap 15 and a guide wire 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", "lower", "around", and the like, indicate orientations or positional relationships, are used merely to facilitate the description of the present invention and to simplify the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be taken as limiting the present invention.

The first embodiment is as follows:

referring to fig. 1, the eustachian tube OCT of the present invention includes an imaging probe 1, one end of the imaging probe 1 is connected with an imaging catheter 2, the outside of the imaging catheter 2 and the imaging probe 1 is provided with a catheter sheath 3, one end of the imaging catheter 2 close to the imaging probe 1 is provided with a guide wire outlet 4, and the guide wire outlet 4 penetrates out of the outer surface of the catheter sheath 3; one end of the imaging catheter 2, which is far away from the imaging probe 1, is provided with a guide wire inlet 5, and a guide wire penetrates through the guide wire inlet 5 and penetrates out through a guide wire outlet 4.

Further, the catheter sheath 3 and the imaging catheter 2 are both in a circular truncated cone shape, and the outer diameters of the catheter sheath 3 and the imaging catheter 2 at the ends far away from the imaging probe 1 are gradually reduced. The catheter sheath 3 and the imaging catheter 2 reach a minimum outer diameter at the guidewire inlet 5, where the catheter sheath 3 takes the shape of a tip.

Further, the distance between the tip of the catheter sheath 3 and the imaging probe 1 is 2mm.

In order to apply the OCT technology to the examination of the eustachian tube lesion and simultaneously realize that the minimum blind area exists when the OCT technology is applied in the eustachian tube, the distance between the tip of the catheter sheath 3 and the imaging probe 1 is set to be 2.0mm, and a contrast agent is not required to be applied, so that the collected eustachian tube image can be reconstructed to display the longitudinal images of the eustachian tube with the cross section and acquire a three-dimensional OCT image of a tube cavity; the condition in the eustachian tube cavity can be timely and conveniently observed, the local condition of the eustachian tube can be determined, the accurate judgment of the etiology of a patient with the eustachian tube with poor function is facilitated, and a targeted diagnosis and treatment scheme is formulated.

Example two:

referring to fig. 2, the present embodiment provides a eustachian tube balloon dilatation booster manufactured by the eustachian tube OCT according to the first embodiment, and the eustachian tube balloon dilatation booster includes a booster body 6 and a booster tube 7 used in cooperation with the booster body 6, the booster body 6 and the booster tube 7 are both cylindrical cavity structures, one end of the booster tube 7 is a eustachian tube balloon insertion end 8, and a eustachian tube balloon is arranged in the eustachian tube balloon insertion end 8; an OCT (optical coherence tomography) inserting tube 9 is arranged on one side of the pushing tube 7, and a eustachian tube OCT is arranged in the OCT inserting tube 9.

Further, in order to realize the pushing action, the inside diameter of the pusher body 6 is larger than the outside diameter of the pusher tube 7.

Further, in order to facilitate pushing, the outer surface of the pusher body 6 is symmetrically provided with a holding lug 10, and the outer surface of the pushing tube 7 is provided with a pushing lug 11.

Further, a transition section 12 is arranged at the front end of the booster body 6, a guide rod 13 is arranged at the front end of the transition section 12, and the transition section 12 and the guide rod 13 are both in a cavity structure and are used for the Eustachian tube OCT and the Eustachian tube saccule to pass through.

Further, the front end of the guide rod 13 is provided with a guide end 14, and the guide end 14 is a cylindrical structure which is obliquely arranged.

Further, a sealing cap 15 is arranged outside the OCT implanting tube 9, and the eustachian tube balloon is a balloon with medicine or a flushing balloon.

When the device is used, the booster body 6 and the push tube 7 are used in a matched mode, the push tube 7 is inserted into an inner cavity of the booster body 6, the eustachian tube OCT is firstly placed into the eustachian tube placing tube 9 through the OCT placing tube 9, the push ear 11 on the outer surface of the push tube 7 is pushed, the eustachian tube OCT can reach the inner cavity of the booster body 6 through the inner cavity of the push tube 7 and then reach the transition section 12, finally, the patient position is checked and positioned in the eustachian tube through the guide rod 13 and the guide end 14, the specific situation and the specific diseased position of the eustachian tube of a patient are observed through the eustachian tube OCT, and the affected part is accurately positioned through the eustachian tube OCT. Then, the eustachian tube saccule is placed in the eustachian tube saccule placing end 8, corresponding treatment is carried out by using the eustachian tube saccule, the operation of a doctor is very convenient, and the purpose of quick and accurate treatment is achieved.

After the treatment of the patient, the eustachian tube balloon dilatation assistor can be continuously used for reexamination during the reexamination, so that the rehabilitation condition of the patient can be observed, a subsequent treatment scheme can be formulated, and effective feedback and evaluation can be performed on the early treatment scheme.

Example three:

this example provides an application of eustachian tube OCT as described in example one to eustachian tube balloon surgery.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (10)

1. The eustachian tube OCT is characterized by comprising an imaging probe, wherein one end of the imaging probe is connected with an imaging catheter, catheter sheaths are arranged outside the imaging catheter and the imaging probe, a guide wire outlet is arranged at one end of the imaging catheter close to the imaging probe, and the guide wire outlet penetrates out of the outer surface of the catheter sheath; and one end of the imaging catheter, which is far away from the imaging probe, is provided with a guide wire inlet, and a guide wire penetrates through the guide wire inlet and penetrates out through the guide wire outlet.

2. The eustachian tube OCT of claim 1, wherein the sheath and imaging catheter are each frustoconical, the sheath and imaging catheter having a tapered outer diameter at an end distal from the imaging probe.

3. The eustachian tube OCT of claim 2, wherein the distance between the tip of the catheter sheath and the imaging probe is 2mm.

4. A eustachian tube balloon dilatation booster made based on the eustachian tube OCT as claimed in any one of claims 1-3, comprising a booster body and a booster tube used in cooperation with the booster body, wherein the booster body and the booster tube are both of cylindrical cavity structures, one end of the booster tube is a eustachian tube balloon insertion end, and a eustachian tube balloon is arranged in the eustachian tube balloon insertion end; an OCT imbedding tube is arranged on one side of the pushing tube, and a eustachian tube OCT is arranged in the OCT imbedding tube.

5. The eustachian tube balloon dilation aid according to claim 4, wherein the inner diameter of the aid body is greater than the outer diameter of the pusher tube.

6. The eustachian tube balloon dilatation assistor of claim 4, wherein the outer surface of the assistor body is symmetrically provided with hand-held ears, and the outer surface of the push tube is provided with push ears.

7. The eustachian tube balloon dilatation aid of claim 4, wherein the front end of the aid body is provided with a transition section, the front end of the transition section is provided with a guide rod, and the transition section and the guide rod are both in a cavity structure for the eustachian tube OCT and the eustachian tube balloon to pass through.

8. The eustachian tube balloon dilation aid according to claim 7, wherein the leading end of the guide rod is provided with a leading end which is a cylindrical structure that is obliquely arranged.

9. The eustachian tube balloon dilation aid according to claim 4, wherein the OCT implanting tube is externally provided with a sealing cap, and the eustachian tube balloon is a medicated balloon or an irrigation balloon.

10. Use of eustachian tube OCT according to any one of claims 1 to 3 in eustachian tube ballooning.

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