CN113397456B - Throat protection device with antiacid secretion inhibition function - Google Patents
Throat protection device with antiacid secretion inhibition function Download PDFInfo
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- CN113397456B CN113397456B CN202110819173.6A CN202110819173A CN113397456B CN 113397456 B CN113397456 B CN 113397456B CN 202110819173 A CN202110819173 A CN 202110819173A CN 113397456 B CN113397456 B CN 113397456B
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- flexible
- tube
- mouth pad
- throat
- secretion
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- 230000028327 secretion Effects 0.000 title claims abstract description 24
- 230000001458 anti-acid effect Effects 0.000 title abstract description 9
- 230000005764 inhibitory process Effects 0.000 title description 6
- 239000003814 drug Substances 0.000 claims abstract description 21
- 230000002401 inhibitory effect Effects 0.000 claims abstract description 20
- 239000002253 acid Substances 0.000 claims abstract description 16
- 229940079593 drug Drugs 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 7
- 230000001681 protective effect Effects 0.000 claims description 11
- 239000000523 sample Substances 0.000 claims description 8
- MNQYNQBOVCBZIQ-JQOFMKNESA-A sucralfate Chemical compound O[Al](O)OS(=O)(=O)O[C@@H]1[C@@H](OS(=O)(=O)O[Al](O)O)[C@H](OS(=O)(=O)O[Al](O)O)[C@@H](COS(=O)(=O)O[Al](O)O)O[C@H]1O[C@@]1(COS(=O)(=O)O[Al](O)O)[C@@H](OS(=O)(=O)O[Al](O)O)[C@H](OS(=O)(=O)O[Al](O)O)[C@@H](OS(=O)(=O)O[Al](O)O)O1 MNQYNQBOVCBZIQ-JQOFMKNESA-A 0.000 claims description 7
- 229960004291 sucralfate Drugs 0.000 claims description 7
- 229940121948 Muscarinic receptor antagonist Drugs 0.000 claims description 4
- 239000000812 cholinergic antagonist Substances 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 4
- 230000008054 signal transmission Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000009858 acid secretion Effects 0.000 claims 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical class [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract description 4
- 229940069428 antacid Drugs 0.000 abstract description 4
- 239000003159 antacid agent Substances 0.000 abstract description 4
- 230000001262 anti-secretory effect Effects 0.000 abstract 2
- 239000000499 gel Substances 0.000 description 5
- 208000025865 Ulcer Diseases 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 231100000397 ulcer Toxicity 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229930006000 Sucrose Natural products 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001839 endoscopy Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000004877 mucosa Anatomy 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000005720 sucrose Substances 0.000 description 2
- 206010003504 Aspiration Diseases 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- 102000018386 EGF Family of Proteins Human genes 0.000 description 1
- 108010066486 EGF Family of Proteins Proteins 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 206010028116 Mucosal inflammation Diseases 0.000 description 1
- 208000005392 Spasm Diseases 0.000 description 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 230000001078 anti-cholinergic effect Effects 0.000 description 1
- 230000035587 bioadhesion Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- XEYBRNLFEZDVAW-ARSRFYASSA-N dinoprostone Chemical compound CCCCC[C@H](O)\C=C\[C@H]1[C@H](O)CC(=O)[C@@H]1C\C=C/CCCC(O)=O XEYBRNLFEZDVAW-ARSRFYASSA-N 0.000 description 1
- 210000000981 epithelium Anatomy 0.000 description 1
- 210000003238 esophagus Anatomy 0.000 description 1
- 210000004211 gastric acid Anatomy 0.000 description 1
- 230000002496 gastric effect Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 210000003296 saliva Anatomy 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- -1 sulfuric acid sucrose compound Chemical class 0.000 description 1
- 230000009747 swallowing Effects 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000036269 ulceration Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00131—Accessories for endoscopes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/273—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the upper alimentary canal, e.g. oesophagoscopes, gastroscopes
- A61B1/2736—Gastroscopes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
- A61B90/16—Bite blocks
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Physics & Mathematics (AREA)
- Radiology & Medical Imaging (AREA)
- Optics & Photonics (AREA)
- Gastroenterology & Hepatology (AREA)
- Neurosurgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a throat protection device with an antacid and antisecretory function, which comprises a mouth pad pipe made of hard materials and a flexible protection pipe connected with the mouth pad pipe, wherein the whole flexible protection pipe adopts an arc-shaped structure which is convenient to insert into the throat, and the outer surface of the flexible protection pipe is provided with an attachment structure which is convenient for attaching medicines with the antacid and antisecretory function. The invention can realize good adhesion of the medicine with acid-resistant secretion-inhibiting function by arranging the adhesion structure, further can endow the throat protection device with acid-resistant secretion-inhibiting function, greatly enriches the functions of the traditional mouth pad and meets the use needs of different patients.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to a throat protection device with acid-resistant secretion-inhibiting function.
Background
In order to ensure the smoothness of the endoscopic examination, a mouth pad needs to be placed in the mouth of a patient in advance, the patient bites the mouth pad by teeth, the endoscope for examination passes through the mouth pad, the existing mouth pad has a single function, and the function is only to avoid the unplanned closing of the teeth; in addition, repeated stimulation of the endoscope body of the patient can have more secretion, increase the aspiration risk, and simultaneously have potential gastric reflux and acid substances adhered to the endoscope body in the examination process to stimulate the throat part, thereby causing the postoperative discomfort and other symptoms of the patient-! For some special patients, if it were possible to assist in performing some other treatment while performing endoscopy, this would be of great positive significance in terms of reducing patient pain and reducing the working pressure of medical staff as a whole.
Disclosure of Invention
The invention aims to avoid the defects of the prior art and provides a throat protection device with the functions of resisting acid and inhibiting secretion, thereby effectively solving the defects in the prior art.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: a throat protection device with acid-resistant secretion-inhibiting function comprises a mouth pad pipe made of hard materials and a flexible protection pipe connected with the mouth pad pipe, wherein the flexible protection pipe is integrally of an arc-shaped structure which is convenient to insert into the throat, and the outer surface of the flexible protection pipe is provided with an attaching structure which is convenient to attach medicines with acid-resistant secretion-inhibiting function.
Further, the attachment structure includes a plurality of flexible annular pleated structures disposed along a length direction of the flexible sheath, and a receiving space for receiving a drug having an antacid secretion-inhibiting function is formed between the flexible annular pleated structures.
Further, the outer surface of the flexible annular pleat structure is provided with a pile structure and/or a recess structure.
Further, the flexible annular fold structure is a structure with narrow inside and wide outside.
Further, the flexible protection tube is provided with a ring shrinkage structure at one end far away from the mouth pad tube.
Further, a blocking edge is arranged at the end part of the mouth pad pipe, and the mouth pad pipe is connected with the flexible protection pipe in an inserting mode.
Further, a miniature PH sensor probe is arranged on the inner side of the flexible protection tube, and a signal transmission line used for connecting the miniature PH sensor probe and the multifunctional display is arranged in the flexible protection tube.
Further, be provided with flexible strutting arrangement in mouth pad pipe and the flexible pillar, flexible strutting arrangement is including the back with mouth pad pipe and the support gasbag of the inner chamber shape looks adaptation of flexible pillar after the inflation, support gasbag is provided with the gassing structure of filling in the one end that is close to mouth pad pipe entry side, and the middle part of support gasbag runs through and is provided with the passageway of taking a breath.
Further, a flexible supporting sleeve is arranged on the outer side of the ventilation channel, and the flexible supporting sleeve is arranged along with the mouth pad tube and the flexible protecting tube.
Further, the medicine with the functions of acid resistance and secretion inhibition comprises sucralfate gel and anticholinergic medicine.
The technical scheme of the invention has the following beneficial effects: the invention can realize good adhesion of the medicine with acid-resistant secretion-inhibiting function by arranging the adhesion structure, further can endow the throat protection device with acid-resistant secretion-inhibiting function during endoscopy, greatly enriches the functions of the traditional mouth pad and meets the use needs of different patients.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a partial enlarged view at A in FIG. 1 (flexible annular pleat structure with fluff structure disposed thereon);
FIG. 3 is a schematic view of a flexible annular pleat structure provided with a depression structure according to an embodiment of the invention;
FIG. 4 is a schematic diagram of a second embodiment of the present invention;
fig. 5 is a schematic view showing a structure of a support airbag according to a second embodiment of the present invention.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.
In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 5, the throat protection device with anti-acid secretion inhibition function according to the present embodiment includes a mouth pad tube 1 made of hard material and a flexible protection tube 2 connected to the mouth pad tube 1, wherein the flexible protection tube 2 is integrally formed with an arc structure for facilitating insertion into the throat, the outer surface of the flexible protection tube 2 is provided with an attachment structure 3 for facilitating attachment of a drug with anti-acid secretion inhibition function, and the drug with anti-acid secretion inhibition function is configured in components and amounts according to clinical experience.
In this embodiment, the medicine with the acid-resistant secretion-inhibiting function comprises sucralfate gel and an anticholine medicine, the sucralfate is a sulfuric acid sucrose compound containing aluminum hydroxide, has strong bioadhesion, can be dissociated into octasulfuric acid sucrose with negative charges under acidic conditions, can be polymerized into colloid to directly form a film on an ulcer surface or an inflammation position, protects ulcer or inflammation mucous membrane, resists invasion of gastric acid, can adsorb epidermal growth factors in saliva, is concentrated on the ulcer position, promotes healing, can also stimulate synthesis of prostaglandin E, stimulates surface epithelium to secrete bicarbonate and plays a role of cytoprotection, and the anticholine medicine can inhibit gland secretion and relieve pain caused by spasm.
Wherein the mouth pad tube 1 is made of hard materials, when in use, teeth of a patient bite on the mouth pad tube 1, thereby avoiding the mouth of the patient from being closed in an unintended manner, protecting the endoscope passing through the inside and ensuring the smooth operation of the endoscopic examination; the flexible protective tube 2 is made of hydraulic silica gel material, has the advantages of no toxicity, no smell, high transparency, softness, high elasticity and the like, is beneficial to realizing good matching with the throat of a patient, and reduces the uncomfortable feeling of an instrument inlet.
As shown in fig. 2-3, the attachment structure 3 includes a plurality of flexible annular fold structures 301 disposed along the length direction of the flexible protective tube 2, and an accommodating space 302 for accommodating the medicine 8 having an antacid secretion inhibiting function is formed between the flexible annular fold structures 301, and the attachment of sucralfate gel and anticholinergic agent can be achieved by disposing the flexible annular fold structures 301, so that after the flexible protective tube 2 is disposed in the throat, the sucralfate gel and anticholinergic agent can directly achieve a mucosal effect with the throat, and treatment is achieved (the sucralfate gel acts on the surfaces of the mucosa and the inner film of the esophagus, and the anticholinergic agent inhibiting secretion can be absorbed and absorbed through the mucosa).
The attachment structure 301 is made of a polymer material, and may be an integral structure with the flexible protection tube 2, or may be connected by hot melting, adhesion, or the like at a later stage.
The outer surface of the flexible annular pleated structure 301 is provided with a pile structure 303 and/or a recess structure 304, either of which pile structure 301 may be present or both may be present, with the aim of further increasing the drug attachment effect and increasing the surface area of the attachment structure 3.
The flexible annular pleat structure 301 is a structure with a narrow inside and a wide outside, which can further improve the adhesion to the drug.
The flexible protection tube 2 is provided with the ring shrink structure 201 at the one end of keeping away from the mouth pad pipe 1, can be more smooth in the in-process of inserting into the throat through setting up the ring shrink structure 201, simultaneously because it has good elasticity, so when the scope passes, can prop up the ring shrink structure 201, can not influence the operation of scope.
The end of the mouth pad tube 1 is provided with a baffle edge 101, the baffle edge 101 can prevent a patient from mistakenly swallowing the mouth pad tube 1, the safety coefficient is improved, meanwhile, connecting belts can be arranged on two sides of the baffle edge 101, connection with the head of the patient is facilitated, fixing of the whole protection device is completed, the mouth pad tube 1 is connected with the flexible protection tube 2 in an inserting mode, the outer diameter of the mouth pad tube 1 is slightly larger than the inner diameter of the flexible protection tube 2, the flexible protection tube 2 is tightly connected and fixed with the mouth pad tube 1 by means of elasticity of the flexible protection tube 2, and of course, in order to further improve the connection reliability, the two are prevented from falling off in an unintended mode, and a small amount of connecting glue can be coated between the two in the sleeving process of the two.
The inner side of the flexible protection tube 2 is provided with a micro PH sensor probe 4, the micro PH sensor probe 4 is arranged at a position close to the tail end of the flexible protection tube 2, the flexible protection tube 2 is internally provided with a signal transmission line 6 used for connecting the micro PH sensor probe 4 with a multifunctional display 5, the PH value in the throat can be monitored in real time through the multifunctional display 5, and the connection mode of the micro PH sensor probe 4 and related components is the prior art, and can refer to the patent specification of the invention with the publication number of CN 110478584A.
In order to facilitate placement of the throat protection device, a flexible support device is arranged in the mouth pad tube 1 and the flexible protection tube 2, the flexible support device comprises a support air bag 7 which is matched with the shapes of the mouth pad tube 1 and the inner cavity of the flexible protection tube 2 after expansion, the support air bag 7 is provided with an inflation and deflation structure at one end close to the inlet side of the mouth pad tube 1, in the embodiment, the inflation and deflation structure comprises an inflation tube 703 and a deflation tube 704, and the middle part of the support air bag 7 is provided with a ventilation channel 701 in a penetrating manner.
The outside of passageway 701 of taking a breath is provided with flexible support cover 702, flexible support cover 702 sets up in mouthful pad pipe 1 and flexible pillar 2 along with shape, flexible support cover 702 adopts the silica gel material to make, because flexible pillar 2 self has certain flexibility and the outside of flexible pillar 2 is attached with the medicine through attaching structure 3, so in order to realize the accurate income position of flexible pillar 2, avoid the medicine to realize the contact with non-throat position, so can place in advance flexible pillar 2 with support gasbag 7, the size of support gasbag 7 after the inflation needs to be less than the inner chamber size of flexible support cover 702, this is in order to guarantee the flexibility of flexible pillar 2 self, the overall design principle is: under the condition of ensuring the flexibility of the flexible protective tube 2, when the flexible protective tube 2 deforms beyond expectations, the supporting air bag 7 can timely play a role in limiting and supporting the flexible protective tube 2, and ensure that the flexible protective tube 2 smoothly enters the position and simultaneously ensure that the medicine can reach the throat without loss as much as possible.
The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (5)
1. A throat protection device with acid-resistant secretion-inhibiting function, which is characterized in that: the mouth pad comprises a mouth pad tube made of hard materials and a flexible protective tube connected with the mouth pad tube, wherein the whole flexible protective tube adopts an arc-shaped structure which is convenient to insert into the throat, and the outer surface of the flexible protective tube is provided with an attaching structure which is convenient for attaching medicines with acid-resistant secretion-inhibiting functions;
the attaching structure comprises a plurality of flexible annular fold structures arranged along the length direction of the flexible protective tube, and an accommodating space for accommodating medicines with acid-resistant secretion-inhibiting functions is formed between the flexible annular fold structures;
the outer surface of the flexible annular fold structure is provided with a plurality of fluff structures and concave structures; the flexible annular fold structure is a structure with narrow inside and wide outside;
The flexible support device comprises a support air bag which is matched with the shape of the inner cavity of the mouth pad pipe and the flexible protection pipe after being expanded, one end of the support air bag, which is close to the inlet side of the mouth pad pipe, is provided with an inflation and deflation structure, and the middle part of the support air bag is provided with a ventilation channel in a penetrating way;
the outside of the ventilation channel is provided with a flexible supporting sleeve which is arranged along with the shape of the mouth pad tube and the flexible protecting tube.
2. A throat protection device with acid secretion inhibiting function according to claim 1, wherein: the flexible protection tube is provided with a ring shrinkage structure at one end far away from the mouth pad tube.
3. A throat protection device with acid secretion inhibiting function according to claim 1, wherein: the end part of the mouth pad pipe is provided with a blocking edge, and the mouth pad pipe is connected with the flexible protection pipe in an inserting way.
4. A throat protection device with acid secretion inhibiting function according to claim 1, wherein: the inner side of the flexible protection tube is provided with a miniature PH sensor probe, and a signal transmission line used for connecting the miniature PH sensor probe and the multifunctional display is arranged in the flexible protection tube.
5. A throat protection device with acid secretion inhibiting function according to claim 1, wherein: the medicine with the functions of resisting acid and inhibiting secretion comprises sucralfate gel and anticholinergic agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110819173.6A CN113397456B (en) | 2021-07-20 | 2021-07-20 | Throat protection device with antiacid secretion inhibition function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110819173.6A CN113397456B (en) | 2021-07-20 | 2021-07-20 | Throat protection device with antiacid secretion inhibition function |
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| Publication Number | Publication Date |
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| CN113397456A CN113397456A (en) | 2021-09-17 |
| CN113397456B true CN113397456B (en) | 2024-04-30 |
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| CN202110819173.6A Active CN113397456B (en) | 2021-07-20 | 2021-07-20 | Throat protection device with antiacid secretion inhibition function |
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| CN114939226B (en) * | 2022-07-25 | 2022-11-25 | 中南大学 | Pancreatin inactivation stent drainage tube applied to pancreaticojejunostomy and preparation method thereof |
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| Title |
|---|
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| CN113397456A (en) | 2021-09-17 |
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