CN219231137U

CN219231137U - Jaw cyst stopper

Info

Publication number: CN219231137U
Application number: CN202222130084.3U
Authority: CN
Inventors: 宗晓艳
Original assignee: Shandong University
Current assignee: Shandong University
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2023-06-23
Anticipated expiration: 2032-08-12

Abstract

The utility model relates to the field of medical equipment, in particular to a jaw cyst stopper, which is used for a jaw cyst windowing and decompression operation, and is partially or completely arranged in a capsule cavity of a patient when in use, and comprises a drainage device and an expansion device; the two ends of the drainage device are provided with through channels for communicating the capsule cavity with the oral cavity of the patient; the expansion device is made of deformable materials and is connected with the drainage device, is arranged in the capsule cavity and enables the stopper to be fixed in the capsule cavity in a volume increasing mode; the expansion device achieves a volume increase by filling with a gas or liquid. The plug device has the advantages that the plug device has little additional damage to a patient, has higher comfort level, and has simpler overall structure on the premise of not influencing treatment.

Description

Jaw cyst stopper

Technical Field

The utility model relates to the field of medical equipment, in particular to a jaw cyst stopper.

Background

The cyst of the jaw is a cystic tumor containing cyst fluid in the jaw, and gradually increases along with the progress of the disease, so that the jaw is destroyed. For the cyst of the jawbone, especially the keratinized cyst of the mandible, the ameloblastic tumor and the like, the scraping treatment is mainly carried out in the past, and even the serious patients need osteotomy, the operation methods have the defects of large wounds, easy left cyst epithelium and the like, and the operation methods are not used as the first choice treatment method for the huge cyst of the jawbone at present. The jawbone cyst windowing decompression operation has the advantages of small trauma, capability of retaining important nerve blood vessels, capability of avoiding excessive tissue excision and the like, and is widely applied in clinic. The jaw cyst windowing decompression operation is to window the surface of a cystic disease, locally open bones and the capsule wall, drain out the cyst fluid, and make a stopper to keep the drainage port unobstructed so as to keep the pressure inside and outside the cyst cavity balanced. The decompression time after the windowing operation is usually 6-18 months, the operation of 2 stages is not needed for the person with the complete disappearance of the cyst after decompression, and the reduced cyst can be scraped off by the operation of 2 stages for the person with the complete disappearance. The aim of windowing and decompressing is not to directly eradicate the cyst immediately, but to reduce the cyst cavity, restore the appearance of the jawbone and protect the form and function of the jawbone to the greatest extent. Therefore, in the operation of opening the window by using the jaw cyst, drainage sac liquid is often needed by using a stopper, the general structure of the stopper in the prior art comprises a body and a fixing piece, the fixing piece is generally in the form of a clamping ring and is fixed on adjacent teeth through sleeving, the defect of the stopper in the form is obvious, firstly, the influence on the comfort of a patient is large due to the clamping ring fixation, and the stopper is easy to fall off and damage to the teeth is caused; secondly, if the jawbone cyst fenestration stoma is positioned at the vestibular sulcus area, the direction of the capsule cavity deviates to the cheek side, and the stopper with the clamp ring and the base is often not put on smoothly. Thirdly, the manufacturing time is long; fourthly, the inner diameter is large because of small opening window of the capsule cavity, and the membrane printing material is easy to break; fifthly, traumatic ulcers and perioral pain are easy to occur when the patient wears the utility model.

Therefore, it is important to provide a stopper which can be fixed without a clip ring and has high comfort.

Disclosure of Invention

Accordingly, an object of the embodiments of the present utility model is to provide a jaw cyst stopper device, which uses an innovative structure to realize the fixation in the capsule cavity, so as to avoid the damage to the adjacent teeth.

The technical scheme for solving the technical problems is as follows:

a jaw cyst stopper is used for a jaw cyst windowing decompression operation, and is partially or completely placed in a capsule cavity of a patient when in use, and comprises a drainage device and an expansion device;

the two ends of the drainage device are provided with through channels for communicating the capsule cavity with the oral cavity of the patient;

the expansion device is made of deformable materials and is connected with the drainage device, is arranged in the capsule cavity and enables the stopper to be fixed in the capsule cavity in a volume increasing mode;

the expansion device achieves a volume increase by filling with a gas or liquid.

As a preferable technical scheme of the utility model, the drainage device is of a tubular structure with a channel inside, the expansion device is sleeved on the periphery of the drainage device, and two ends of the expansion device are sealed with the drainage device, so that a sealed cavity is formed between the expansion device and the drainage device, and the expansion device is expanded and deformed by filling gas or liquid into the cavity.

As a preferred embodiment of the present utility model, the expansion device includes a housing for forming the closed cavity, and a joint for communicating the closed cavity and filling gas or liquid thereto.

As a preferable technical scheme of the utility model, the connector comprises a tube shell with a tubular structure having a hollow interior, a puncture needle is arranged in the tube shell, a side hole is arranged at the needle tip end of the puncture needle, an elastic self-sealing cap is arranged in the tube shell, the self-sealing cap can seal the side hole in a natural state to seal the connector, and the self-sealing cap is compressed by external force to expose the side hole to conduct the connector.

As a preferable technical scheme of the utility model, the drainage device comprises a drainage part with a hollow tubular structure and a fixing part with a horn shape, wherein one end of the fixing part with a smaller diameter is connected with one end of the drainage part facing the oral cavity.

As a preferred embodiment of the present utility model, the joint extends through the fixing portion from the flare opening of the fixing portion.

As a preferable technical scheme of the utility model, the drainage device and the expansion device are integrally formed, and a supporting piece is arranged in an internal channel of the drainage device.

As a preferable technical scheme of the utility model, the connector is arranged in the drainage device and extends towards the direction of one end of the capsule cavity, the shell is sleeved outside the drainage device to form the closed cavity, and the connector is communicated with the closed cavity through a channel penetrating through the drainage device.

The beneficial effects of the utility model are as follows:

by adopting the structure, the expansion device can be expanded by injecting liquid or gas into the closed cavity, the expanded expansion device is filled in the capsule cavity to fix the plug device, the window of the capsule cavity is sealed, and then the internal capsule liquid is sucked out through the drainage device to be decompressed, so that the aim of treatment is fulfilled. In general, the plug device has small additional damage to the patient, higher comfort level and simpler overall structure on the premise of not affecting treatment.

In order to make the above objects, features and advantages of the present utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

FIG. 1 is a schematic diagram of a stopper according to embodiment 1 of the present utility model (in an unexpanded state);

FIG. 2 is a schematic diagram (expanded state) of a stopper according to embodiment 1 of the present utility model;

FIG. 3 is a schematic diagram of the stopper according to embodiment 2 of the present utility model (in an unexpanded state);

FIG. 4 is a schematic view of the stopper according to embodiment 2 of the present utility model (expanded state);

FIG. 5 is a schematic view of the structure of the joint according to embodiment 2 of the present utility model (the puncture needle is closed);

FIG. 6 is a schematic view showing the structure of a connector according to embodiment 2 of the present utility model (the puncture needle is in a connected state);

FIG. 7 is a schematic diagram of a stopper according to embodiment 3 of the present utility model;

fig. 8 is a schematic structural diagram of a stopper according to embodiment 4 of the present utility model.

In the figure: 100. a drainage device; 110. a drainage part; 120. a fixing part; 130. a support; 200. an expansion device; 210. a housing; 220. a joint; 221. a tube shell; 222. a puncture needle; 223. a side hole; 224. self-sealing caps; 300. sealing the cavity; 310. a channel; 400. a syringe.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are used, the indicated azimuth or positional relationship is based on the azimuth or positional relationship shown in the drawings, only for convenience of description and simplification of the description, and does not indicate or imply that the apparatus or element to be referred must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

Example 1

As shown in fig. 1 and 2, the embodiment of the utility model discloses a jaw cyst stopper for jaw cyst windowing and decompressing operation, which is partially or completely placed in a capsule cavity of a patient during use, and the stopper mainly comprises a drainage device 100 and an expansion device 200, wherein two ends of the drainage device 100 are arranged to be opened to form a through channel and are used for communicating the capsule cavity with the oral cavity of the patient; the expansion device 200 is made of a deformable material and is connected to the drainage device 100, and when the stopper is used, the expansion device 200 is placed in the capsule and fills the capsule in a volume increasing manner, so that the stopper is fixed in the capsule, and it should be further noted that in the above technical solution, the expansion device 200 realizes volume increase by filling gas or liquid. In particular implementation, the present plugging device preferably sets the drainage device 100 to a tubular structure with a channel inside, the expansion device 200 is sleeved on the periphery of the drainage device 100, and two ends of the expansion device are sealed with the drainage device 100, so that a sealed cavity 300 is formed between the expansion device 200 and the drainage device 100, so that the present plugging device forms a sleeve-like structure, and the expansion device 200 is expanded and deformed by filling gas or liquid into the sealed cavity.

Example 2

Referring to fig. 3 and 4, in this embodiment, a fixing portion 120 is provided on the basis of the above embodiment, and the drainage device 100 includes a drainage portion 110 having a hollow tubular structure and a fixing portion 120 having a horn shape, and one end of the fixing portion 120 having a smaller diameter is connected to one end of the drainage portion 110 facing the oral cavity. The purpose of this arrangement is that the fixing portion 120 having a horn-shaped structure on one side can be in expansion fit with the expansion device 200 to provide a fixing effect; on the other hand, the horn-shaped structure can be conveniently inserted into the drainage tube when draining the cyst fluid.

The expansion device 200 includes a housing 210 for forming a closed cavity 300, and a fitting 220 for communicating with and filling the closed cavity 300 with a gas or liquid. In order to realize the function of filling and extracting air/water into and from the cavity, the joint of the plug device has a self-sealing function, please see fig. 5 and 6, it can be seen that the joint 220 comprises a tube shell 221 with a hollow tubular structure, a puncture needle 222 is arranged in the tube shell 221, a side hole 223 is arranged at the needle tip of the puncture needle 222, a self-sealing cap 224 with elasticity is arranged in the tube shell 221, the self-sealing cap 224 can seal the side hole 223 in a natural state to seal the joint 220, and the side hole 223 is exposed to enable the joint 220 to be conducted when being compressed by external force. In the above technical solution, the puncture needle 222 is of a structure with a needle tip at one hollow end, and a through hole is partially formed at the needle tip, in this embodiment, the puncture needle 222 with a side hole 223 is preferably used to prevent the self-sealing cap 224 from being inserted by the puncture needle 222 to block the through hole of the puncture needle 222, and the self-sealing cap 224 is made of an elastic material, and the working principle is that when the self-sealing cap 224 is in a natural state to wrap the puncture needle 222 and seal the side hole 223, when liquid or gas needs to be injected, the injector 400 without a needle is used to extend into the tube shell 221, the injector 400 extrudes the self-sealing cap 224 to compress the injector to expose the side hole 223, and at this time, the injector 400 is communicated with the sealed cavity of the stopper through the side hole 223, and when the volume of the expansion device 200 reaches the requirement, the injector 400 is taken out, the self-sealing cap 224 is elastically restored to seal the side hole 223; when it is desired to withdraw the gas or liquid from the sealed cavity 300, the syringe 400 is again used to re-squeeze the self-sealing cap 224 and pull the syringe plunger. In this embodiment, the side holes 223 of the puncture needle 222 may be multiple, and the lower end of the puncture needle 222 may be longer, and even reach the bottom end of the expansion device 200, so that the liquid extraction is more facilitated.

Further, in the present embodiment, the connector 220 penetrates the fixing portion 120 and protrudes from the flared opening of the fixing portion 120, which has the advantage of making the structure of the present stopper more compact, making the outer edge of the fixing portion 120 smoother, and avoiding negative effects on patient comfort.

Further, in this embodiment, due to the deformation requirement of the expansion device 200, it is necessarily made of a deformable material, preferably silicone rubber, and the thickness of the housing 210 of the expansion device 200 is set to control the expandable volume, while the drainage portion 110 of the drainage device 100 is preferably made of a material with a slightly rigid structure, so as to prevent the drainage portion 110 from being pressed and closed due to pressure when filling the inflation liquid, and of course, if the drainage device 100 and the expansion device 200 are integrally formed, a drainage tube may be placed in advance before filling to prevent the drainage portion 110 from being closed.

In general, the stopper of this device is equipped with the stopper and can be effectively fixed and drain with the cyst chamber to when implementing, this stopper is equipped with the model of multiple size, with the patient of cooperation different cyst conditions.

Example 3

The present embodiment is a modification of the embodiment, and the basic structure is the same as that of embodiment 1, as shown in fig. 7, except that the drainage device 100 and the expansion device 200 are integrally formed, and in order to avoid the drainage tube being extruded and closed, the support 130 is disposed in the internal channel of the drainage device 100, and the support 130 shown in the figure is a spring-structured support, which can be replaced by other forms of support. In addition, in the present embodiment, the length of the drainage portion 110 is slightly longer than that of the expansion device 200, and the drainage portion 110 extends from the housing 210 of the expansion device 200, so as to be suitable for the case where the capsule cavity is deep and narrow.

Example 4

As another modification of embodiment 1, as shown in fig. 8, the connector 220 is disposed inside the drainage device 100 and extends in a direction along one end of the capsule, that is, the connector 220 is disposed inside the drainage portion 110 and extends downward all the way, the housing 210 is sleeved outside the drainage device 100 to form the closed cavity 300, and the lower end of the connector 220 is communicated with the closed cavity 300 through the channel 310 penetrating through the drainage device 100, so as to avoid the situation that a supporting member is required to be disposed as in embodiment 2, and prevent the closed cavity 300 from being closed by extrusion of the expansion device 200.

While the preferred embodiment of the present utility model has been illustrated and described, it will be understood by those skilled in the art that the present utility model may be embodied in other specific forms and equivalents thereof without departing from the spirit of the utility model.

Claims

1. The jaw cyst stopper is used for a jaw cyst windowing decompression operation, and is partially or completely placed in a capsule cavity of a patient when in use, and is characterized by comprising a drainage device and an expansion device;

2. The device according to claim 1, wherein the drainage device has a tubular structure with a channel inside, the expansion device is sleeved on the periphery of the drainage device, and two ends of the expansion device are sealed with the drainage device, so that a sealed cavity is formed between the expansion device and the drainage device, and the expansion device is expanded and deformed by filling gas or liquid into the cavity.

3. The device of claim 2, wherein the expansion means comprises a housing for forming the closed cavity, and a connector for communicating with and filling the closed cavity with a gas or liquid.

4. A jawbone cyst stopper according to claim 3, wherein said joint comprises a tube shell having a tubular structure with a hollow interior, a puncture needle is provided in said tube shell, a side hole is provided at the tip end of said puncture needle, a self-sealing cap having elasticity is provided in said tube shell, said self-sealing cap can seal said side hole in a natural state to seal said joint, and said self-sealing cap is compressed by an external force to expose said side hole to conduct said joint.

5. A jaw cyst stopper according to claim 3, wherein said drainage means comprises a drainage portion having a hollow tubular structure and a fixation portion having a horn shape, said fixation portion having a smaller diameter at one end thereof connected to an end of said drainage portion facing the oral cavity.

6. The device of claim 5, wherein the connector extends through the fixation portion from a flared opening of the fixation portion.

7. The device of claim 2, wherein the drainage device is integrally formed with the expansion device, and a support is disposed within an interior channel of the drainage device.

8. The device according to claim 3, wherein the joint is disposed inside the drainage device and extends in a direction along which the joint is located at one end of the capsule, the casing is sleeved outside the drainage device to form the closed cavity, and the joint is communicated with the closed cavity through a channel penetrating through the drainage device.