CN112716436A - Front tube quick-release type hard bronchoscope - Google Patents
Front tube quick-release type hard bronchoscope Download PDFInfo
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- CN112716436A CN112716436A CN202110055953.8A CN202110055953A CN112716436A CN 112716436 A CN112716436 A CN 112716436A CN 202110055953 A CN202110055953 A CN 202110055953A CN 112716436 A CN112716436 A CN 112716436A
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- 238000003825 pressing Methods 0.000 claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 2
- 241001330002 Bambuseae Species 0.000 claims description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 2
- 239000011425 bamboo Substances 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 3
- 238000007906 compression Methods 0.000 claims 3
- 230000007246 mechanism Effects 0.000 abstract description 6
- 238000003032 molecular docking Methods 0.000 abstract 1
- 210000001503 joint Anatomy 0.000 description 12
- 238000003384 imaging method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000029058 respiratory gaseous exchange Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 208000007848 Alcoholism Diseases 0.000 description 1
- 208000024827 Alzheimer disease Diseases 0.000 description 1
- 208000019505 Deglutition disease Diseases 0.000 description 1
- 208000003443 Unconsciousness Diseases 0.000 description 1
- 210000000683 abdominal cavity Anatomy 0.000 description 1
- 206010001584 alcohol abuse Diseases 0.000 description 1
- 208000025746 alcohol use disease Diseases 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- -1 bones Substances 0.000 description 1
- 238000013276 bronchoscopy Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002674 endoscopic surgery Methods 0.000 description 1
- 238000001839 endoscopy Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010794 food waste Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000002485 urinary effect Effects 0.000 description 1
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- 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
- A61B1/267—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 respiratory tract, e.g. laryngoscopes, bronchoscopes
- A61B1/2676—Bronchoscopes
-
- 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
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00071—Insertion part of the endoscope body
-
- 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
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00105—Constructional details of the endoscope body characterised by modular construction
-
- 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
- A61B1/00112—Connection or coupling means
- A61B1/00121—Connectors, fasteners and adapters, e.g. on the endoscope handle
- A61B1/00128—Connectors, fasteners and adapters, e.g. on the endoscope handle mechanical, e.g. for tubes or pipes
-
- 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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biophysics (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Pulmonology (AREA)
- Mechanical Engineering (AREA)
- Otolaryngology (AREA)
- Physiology (AREA)
- Endoscopes (AREA)
Abstract
The invention belongs to the technical field of endoscopes, and particularly relates to a front tube quick-release hard bronchoscope which comprises a hollow microscope base and a quick release tube, wherein an instrument through hole is formed in one end of the microscope base, a steel ball self-locking external member is arranged at the other end of the microscope base and comprises a locking sleeve and a pressing sleeve, the locking sleeve is fixedly connected with the microscope base, a plurality of embedding through grooves are formed in the side surface of the locking sleeve, steel balls are movably embedded in the embedding through grooves, the pressing sleeve is slidably sleeved on the outer side of the locking sleeve, a pressing ring with the inner diameter gradually reduced from outside to inside is arranged in the pressing sleeve corresponding to the steel balls, a quick release tube capable of being sleeved in the locking sleeve is arranged at the tail end of the quick release tube, and a plurality of butt. The endoscope is provided with the steel ball self-locking docking mechanism, so that front-end tube bodies with different specifications and functions can be replaced quickly, the examination and operation efficiency is improved, and the endoscope has remarkable substantive characteristics.
Description
Technical Field
The invention relates to the technical field of endoscopes, in particular to a front tube quick-release type hard bronchoscope.
Background
In recent decades, with the development of science and technology, endoscopy and surgery have become the conventional diagnostic and therapeutic means in the medical field. The medical endoscope integrates traditional optics, ergonomics, precision machinery, modern electronics and mathematics. The software is equivalent to an integrated detection instrument. The medical instrument can enter a patient body through a natural cavity or a minimally invasive small opening, directly observe and treat a focus, open the door of a minimally invasive surgery and bring great progress to the medical field. Endoscopes on the market are in various types, and can be classified into those for digestive tract, respiratory system, abdominal cavity, urinary system, gynecology and the like according to their functions.
Airway foreign body inhalation is a serious event that can be life threatening. The incidence of airway foreign body is higher in children than in adults. The data of the national safety committee show that about 80% of airway foreign body inhalations occur in children under 15 years of age. Risk factors for inhalation of foreign bodies in the airways of adults include loss of consciousness, alcohol abuse, swallowing disorders, and alzheimer's disease, etc. The inhaled foreign bodies are various in types, food residues, bones, tablets, false teeth and the like, workers sometimes have a habit of holding small parts for dry and live, and nails, pins and the like are also the inhaled foreign bodies in air passages. The bronchoscope in the endoscope is a medical instrument commonly used for observing and treating airway foreign bodies.
The treatment of complicated airway foreign bodies depends to a great extent on the use of hard bronchoscopes. Hard bronchoscopes have many advantages over flexible bronchoscopes. Firstly, the hard bronchoscope can establish an artificial airway to provide ventilation guarantee for a patient; secondly, the bendable mirror only has a working channel of about 5mm, only one tool can be used at the same time, and the elbow is caught when the bendable mirror is used for dealing with complex conditions. The hard bronchoscope can be provided with a large-caliber working channel which allows a plurality of tools and imaging mechanisms such as foreign body forceps, a freezing probe, a grasping basket and the like to be inserted simultaneously.
However, since the conventional rigid bronchoscope needs to cope with actual conditions of different patients, the specification of the tube is various, and the tube with a plurality of calibers is required to be prepared when one operation is performed. The common endoscope pipeline is troublesome to replace, time-consuming to operate, unfavorable to treatment of patients and large in improvement space.
Disclosure of Invention
In order to solve the problems that the hard bronchoscope on the market has various pipeline specifications and is inconvenient to replace, the pipeline is often required to be replaced for many times when an operation is performed, and a great deal of time is consumed to influence the progress of the operation, the front-tube quick-release hard bronchoscope is provided.
Front tube quick detach type stereoplasm bronchoscope, including hollow microscope base and quick detach pipe, the one end of microscope base is provided with the instrument through-hole, and the other end is provided with steel ball auto-lock external member, steel ball auto-lock external member includes locking sleeve and compresses tightly the cover, locking sleeve and microscope base fixed connection, locking sleeve side have been seted up a plurality of logical grooves of inlaying, it has the steel ball to inlay the activity and inlay in the logical groove, compressing tightly the cover and sliding to cup joint in locking sleeve's the outside, compressing tightly the interior pressing ring that is provided with the internal diameter from outside to inside and reduces gradually of corresponding steel ball of cover, the end of quick detach pipe is provided with the quick detach section of thick bamboo that can cup joint in locking sleeve, it is provided with.
Furthermore, a return spring is arranged between the pressing sleeve and the mirror base.
Furthermore, the outside parcel of reset spring is provided with the location retaining ring with microscope base fixed connection.
Furthermore, the outer side of the locking sleeve is provided with a limiting convex seat, and the inner side of the pressing sleeve is provided with a limiting snap ring corresponding to the limiting convex seat.
Furthermore, a convex ring is arranged at one end of the outer side surface of the quick release cylinder, which corresponds to the inner side of the cambered surface groove along the direction of the quick release pipe, and the outer diameter of the convex ring is larger than the inner diameter of the locking sleeve.
Furthermore, the tail end of the quick-release pipe penetrates through the quick-release cylinder and the locking sleeve to be communicated with the lens base, and a sealing ring is installed on the inner side of the locking sleeve.
Furthermore, the outer side of the pressing sleeve is provided with anti-skid grains.
Furthermore, a polarizer butt joint pipe and a breathing machine butt joint pipe which are communicated with the inside of the microscope base are arranged on the side surface of the microscope base.
Furthermore, a plurality of vent holes are formed in the quick-release pipe.
Further, the surface of quick detach pipe is provided with the scale.
The invention has the advantages that:
1. the front end pipeline of the bronchoscope can be replaced by the locking mechanism through quick opening and closing, and the working efficiency is effectively improved.
2. Firm in connection, stable in structure.
3. The design is simple, and the equipment manufacturing cost is low.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an exploded view of example 1 of the present invention;
FIG. 2 is a side view of example 1 of the present invention;
FIG. 3 is a front view of embodiment 1 of the present invention;
FIG. 4 is a sectional view A-A of FIG. 3;
figure 5 is an enlarged structural view of B in figure 4,
FIG. 6 is an exploded view of example 2 of the present invention;
fig. 7 is a sectional view of the assembly of C in fig. 6.
The attached drawings are as follows:
1-microscope base, 2-quick release pipe, 3-instrument through hole, 4-locking sleeve, 41-embedded through groove, 42-limiting convex base, 5-pressing sleeve, 51-pressing ring, 52-limiting clamping ring, 6-steel ball, 7-quick release barrel, 71-butt joint clamping groove, 72-convex ring, 8-reset spring, 9-positioning retaining ring, 10-sealing ring, 11-anti-skid pattern, 12-polarizer butt joint pipe, 13-respirator butt joint pipe, 14-vent hole and 15-graduated scale.
Detailed Description
In order to solve the problems that the hard bronchoscope on the market has various pipeline specifications and is inconvenient to replace, the pipeline is often required to be replaced for many times when an operation is performed, and a great deal of time is consumed to influence the progress of the operation, the front-tube quick-release hard bronchoscope is provided.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some embodiments of the present invention, but not all 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.
Example 1
As shown in fig. 1 to 5, the present embodiment provides a front tube quick release type hard bronchoscope, including hollow microscope base 1 and quick release tube 2, one end of microscope base 1 is provided with instrument through hole 3, and the other end is provided with a steel ball self-locking external member, the steel ball self-locking external member includes locking sleeve 4 and pressing sleeve 5, locking sleeve 4 and microscope base 1 fixed connection, locking sleeve 4 side have been seted up a plurality of logical grooves of inlaying 41, inlay the activity in logical groove 41 and inlay steel ball 6, pressing sleeve 5 slides and cup joints in the outside of locking sleeve 4, is provided with the clamp ring 51 that the internal diameter reduces gradually from outside to inside corresponding to the steel ball in the pressing sleeve 5, quick release tube 2's end is provided with can cup joint in the quick release tube 7 in locking sleeve 4, quick release tube 7 is last to be provided with a plurality of butt joint draw-in groove.
Since the inner diameter of the pressing ring 51 is gradually reduced from the opening to the inside, when the pressing sleeve 5 slides to the front end of the locking sleeve 4, the pressing ring 51 will press the steel balls 6 to make them protrude inwards, the protruding parts of the inner sides of the steel balls 6 will be clamped into the butt-joint clamping grooves 71, so that the quick release pipe 2 is fixed on the microscope base. When the quick-release pipe 2 needs to be replaced, the steel ball 6 can freely move in the embedded through groove 41 only by pulling the pressing sleeve 5 backwards, and the quick-release pipe 2 can be smoothly pulled out; and then the quick release cylinder 7 of the other quick release pipe 2 is inserted into the locking sleeve 4, and the pressing sleeve 5 is pushed forward to be locked, so that the replacement operation can be completed. It should be noted that the quick release tube 2 can be provided in various diameters and lengths according to the requirements of the treatment application.
A return spring 8 is arranged between the pressing sleeve 5 and the mirror base 1, and a positioning retainer ring 9 fixedly connected with the mirror base 1 is wrapped on the outer side of the return spring 8. The reset spring 8 sleeved by the positioning retainer ring 9 can provide supporting force for the pressing sleeve 5 to enable the pressing sleeve 5 to be positioned at a locking position, so that the locking stability is improved, and the pressing sleeve 5 is prevented from being unlocked accidentally. Meanwhile, after the user pulls the pressing sleeve 5 backwards to unlock the quick release, the elastic potential energy stored in the return spring 8 pushes the pressing sleeve 5 to automatically return to the locking position.
The outer side of the locking sleeve 4 is provided with a limiting convex seat 42, and the inner side of the pressing sleeve 5 is provided with a limiting snap ring 52 corresponding to the limiting convex seat 42. The design of the limit convex seat 42 and the limit snap ring 52 enables the pressing sleeve 5 to only slide in a limited range between the limit mechanism and the mirror base 1, and avoids the damage of the locking mechanism caused by the independent sliding-out of the pressing sleeve 5.
A convex ring 72 is arranged at one end, corresponding to the inner side of the cambered surface groove along the direction of the quick release pipe, of the outer side surface of the quick release cylinder 7, and the outer diameter of the convex ring 72 is larger than the inner diameter of the locking sleeve 4. The convex ring 72 can limit after the quick-release pipe 2 is inserted into the steel ball self-locking sleeve, so that the damage of equipment caused by excessive insertion of the quick-release pipe 2 is avoided.
The tail end of the quick release pipe 2 penetrates through the quick release cylinder 7 and the locking sleeve 4 to be communicated with the microscope base 1, and a sealing ring 10 is installed on the inner side of the locking sleeve 4. The sealing ring 10 can ensure the air tightness of the butt joint of the quick-release pipe 2 and the lens base 1, improve the butt joint stability and prevent foreign matters from invading the inside of a pipeline through the butt joint.
The outer side of the pressing sleeve 5 is provided with anti-skid grains 11. The anti-skid lines 11 facilitate an operator to pull the pressing sleeve 5 to unlock the quick-release mechanism.
The side of the microscope base 1 is provided with a polarizer butt joint pipe 12 and a respirator butt joint pipe 13 which are communicated with the interior of the microscope base 1. According to the treatment requirement, a device such as a butt-joint polarizer and a breathing machine which needs to be matched with each other in the endoscopic surgery process can be arranged on the polarizer butt-joint pipe 12 and the breathing machine butt-joint pipe 13.
In practical use, the endoscope imaging part and the treatment tool can be inserted into the instrument through hole 3, the endoscope imaging part and the treatment tool penetrate out of the front end of the quick-release pipe 2, and the quick-release pipe 2 is inserted into the oral cavity of a patient to reach a position needing treatment.
Example 2
As shown in fig. 6 and 7, the present embodiment is different from embodiment 1 in that: the pressing sleeve 5 and the pressing ring 51 are integrally formed, the positioning retainer ring 9 and the sealing ring 10 are omitted, and the left end and the right end of the locking sleeve 4 and the right end of the quick-release cylinder 7 are in a semi-cone shape inclined inwards. And a plurality of vent holes 14 and a graduated scale 15 are arranged on the quick release pipe 2. The ventilation hole 14 can ensure that the patient can normally ventilate when bronchoscopy is carried out, and the graduated scale 15 facilitates medical personnel to confirm the insertion depth of the equipment. In addition, the convex ring 72 is also designed as a smooth transition semi-cone, which is convenient for production and has better gripping hand feeling. The structure is simplified by the embodiment, and the production cost of the equipment is effectively reduced while the performance of the equipment is ensured.
The foregoing is a more detailed description of the invention than is specifically described in connection with the preferred embodiments, and it is not intended to limit the invention to the particular forms disclosed, since all equivalent variations and modifications as fall within the scope of the appended claims are intended to be embraced therein.
Claims (10)
1. A front tube quick detach type stereoplasm bronchoscope, its characterized in that, including hollow microscope base and quick detach pipe, the one end of microscope base is provided with the instrument through-hole, and the other end is provided with steel ball auto-lock external member, steel ball auto-lock external member includes locking sleeve and compresses tightly the cover, locking sleeve and microscope base fixed connection, locking sleeve side have been seted up a plurality of logical grooves of inlaying, it has the steel ball to inlay the activity in the logical groove, compressing tightly the cover and sliding to cup joint in locking sleeve's the outside, compressing tightly in the cover and corresponding the steel ball to be provided with the pressing ring that the internal diameter reduces gradually from outside to inside, quick detach pipe's end is provided with the quick detach section of thick bamboo that can cup joint in locking sleeve, quick detach section.
2. The hard bronchoscope of claim 1, wherein a return spring is disposed between the compression sleeve and the scope base.
3. The front tube quick-release type hard bronchoscope according to claim 2, wherein a positioning retainer ring fixedly connected with the scope base is wrapped on the outer side of the return spring.
4. The front tube quick-release type hard bronchoscope according to claim 1, wherein a limiting convex seat is arranged on the outer side of the locking sleeve, and a limiting snap ring is arranged on the inner side of the compression sleeve corresponding to the limiting convex seat.
5. The bronchoscope of claim 1, wherein a convex ring is disposed at an inner end of the quick release cylinder along the direction of the quick release tube corresponding to the groove on the outer side of the quick release cylinder, and an outer diameter of the convex ring is larger than an inner diameter of the locking sleeve.
6. The front tube quick-release type hard bronchoscope according to claim 1, wherein the tip of the quick-release tube penetrates through the quick-release barrel and the locking sleeve to communicate with the scope base, and a sealing ring is mounted on the inner side of the locking sleeve.
7. The front tube quick-release type hard bronchoscope according to claim 1, wherein an anti-slip line is arranged on the outer side of the compression sleeve.
8. The front-tube quick-release type hard bronchoscope according to claim 1, wherein a polarizer butt-joint tube and a respirator butt-joint tube are arranged on the side of the scope base and are communicated with the inside of the scope base.
9. The front tube quick-release type hard bronchoscope according to claim 1, wherein the quick-release tube is provided with a plurality of vent holes.
10. The hard bronchoscope of claim 1, wherein the surface of the quick-release tube is provided with a graduated scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110055953.8A CN112716436A (en) | 2021-01-15 | 2021-01-15 | Front tube quick-release type hard bronchoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110055953.8A CN112716436A (en) | 2021-01-15 | 2021-01-15 | Front tube quick-release type hard bronchoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112716436A true CN112716436A (en) | 2021-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110055953.8A Pending CN112716436A (en) | 2021-01-15 | 2021-01-15 | Front tube quick-release type hard bronchoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112716436A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116548896A (en) * | 2023-07-10 | 2023-08-08 | 华伦医疗用品(深圳)有限公司 | Detachable endoscope |
-
2021
- 2021-01-15 CN CN202110055953.8A patent/CN112716436A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116548896A (en) * | 2023-07-10 | 2023-08-08 | 华伦医疗用品(深圳)有限公司 | Detachable endoscope |
| CN116548896B (en) * | 2023-07-10 | 2023-09-12 | 华伦医疗用品(深圳)有限公司 | Detachable endoscope |
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Effective date of registration: 20231127 Address after: 511400, Room 224, 225, 227, 229, No. 115 Huanshi Avenue West, Nansha District, Guangzhou City, Guangdong Province Applicant after: Guangzhou Dunbo Medical Technology Co.,Ltd. Address before: 510000 Nansha Street Jiangnan Road Rose Garden Rose Street No.6 building shop No.18, Nansha District, Guangzhou City, Guangdong Province Applicant before: Guangzhou dunbo Medical Technology Co.,Ltd. |