CN110787350A - Double-cavity bronchial cannula - Google Patents
Double-cavity bronchial cannula Download PDFInfo
- Publication number
- CN110787350A CN110787350A CN201911214318.9A CN201911214318A CN110787350A CN 110787350 A CN110787350 A CN 110787350A CN 201911214318 A CN201911214318 A CN 201911214318A CN 110787350 A CN110787350 A CN 110787350A
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- flexible tube
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- 210000003437 trachea Anatomy 0.000 claims abstract description 42
- 210000000621 bronchi Anatomy 0.000 claims abstract description 26
- 230000009977 dual effect Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 238000001746 injection moulding Methods 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 5
- 230000005489 elastic deformation Effects 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000002627 tracheal intubation Methods 0.000 abstract description 16
- 210000004704 glottis Anatomy 0.000 abstract description 3
- 230000004083 survival effect Effects 0.000 abstract description 2
- 210000004072 lung Anatomy 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 208000032843 Hemorrhage Diseases 0.000 description 3
- 208000034158 bleeding Diseases 0.000 description 3
- 230000000740 bleeding effect Effects 0.000 description 3
- 210000004877 mucosa Anatomy 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 206010061298 Mucosal haemorrhage Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000005037 parasympathetic nerve Anatomy 0.000 description 1
- 230000002685 pulmonary effect Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/04—Tracheal tubes
- A61M16/0486—Multi-lumen tracheal tubes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/58—Means for facilitating use, e.g. by people with impaired vision
- A61M2205/583—Means for facilitating use, e.g. by people with impaired vision by visual feedback
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- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Emergency Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Endoscopes (AREA)
Abstract
The invention provides a double-cavity bronchial cannula which comprises a main trachea and a bronchial tube, wherein the bronchial tube is provided with a main tube section arranged side by side with the main trachea and a flexible tube section communicated with the far end of the main tube section; therefore, the glottis can be more easily accessed during intubation, the intubation time is shortened, and the survival rate of patients is improved; and the damage of the bronchus air outlet to the tracheal wall of the patient during intubation can be reduced.
Description
Technical Field
The invention belongs to the field of intubation, and particularly relates to a double-cavity bronchial intubation.
Background
The double-cavity trachea cannula is used for surgical operation, is suitable for inserting a left or right bronchus, and can realize ventilation of any lung so as to confirm that the airway of the left lung or the right lung is unobstructed; as shown in fig. 1, a visible dual-lumen bronchial cannula structure in the existing market comprises a main trachea 1, a bronchus 2, a tracheal airbag 11 and a bronchial blue airbag 23, wherein the main trachea 1 and the bronchus 2 are connected side by side and integrally, the tracheal airbag 11 is communicated with an inflation connector of the main trachea airbag, the bronchial blue airbag 23 is communicated with the bronchial inflation structure, one end of the main trachea and one end of the bronchus are respectively provided with a main trachea connector and a bronchial connector, the other end of the main trachea and a bronchial outlet are formed, an accommodating cavity for accommodating a camera module is formed on the inner wall of the main trachea, the camera module comprises a camera arranged at the outlet of the main trachea and a connecting line arranged inside the main trachea, as shown in fig. 1, the existing distal bronchial tube body is bent and extended relative to the main trachea, so that the blue airbag of the distal tube body of the rear trachea of the dual-lumen tracheal cannula is inflated and fixed in place, the ventilation is carried out through the main air pipe body while the left lung or the right lung is sealed; however, the bleeding complications of the existing double-lumen bronchial cannula fed back by doctors are high, and the bleeding complications occur because the far-side tube body of the bronchus and the main tube section of the bronchus are bent at an angle of about 45 degrees to the left, and in the process of intubation, the gas outlet of the bronchus always pushes against the trachea wall, so that the mucosa of the bent gas outlet of the bronchus rubs against the trachea wall is bled.
Disclosure of Invention
In view of the above technical problems, the present invention provides a double lumen bronchial cannula, comprising:
the main gas pipe and the branch gas pipe are provided with a main pipe section arranged side by side with the main gas pipe and a flexible pipe section communicated with the far end of the main pipe section, the flexible pipe section is arranged in a bending and extending way relative to the far end of the main pipe section, and the flexible pipe section is constructed to be capable of generating elastic deformation;
a trachea airbag and a bronchus airbag, wherein the trachea airbag is arranged at the far side of the main trachea and the main tube section, and the bronchus airbag is arranged at the far side of the flexible tube section
A drive member that drives the flexible pipe section to transition between the inclined state and the upright state.
In some embodiments of the present invention, the flexible pipe section includes a flexible pipe body and an elastic member disposed in the flexible pipe body, and the driving member drives the flexible pipe body to switch between the inclined state and the upright state by driving the elastic member to deform.
In some embodiments of the invention, the hardness of at least the distal end of the main tubular segment to which the flexible tubular segment is connected is greater than the hardness of the flexible tubular segment, so that the flexible tubular segment can rotate with the distal end of the main tubular segment as a support.
In some embodiments of the present invention, the driving member is a pulling rope movably disposed in the main tube segment, and one end of the pulling rope is connected to the elastic member, and the other end of the pulling rope extends out of the main tube segment for stretching operation.
In some embodiments of the present invention, the elastic member is at least one elastic rib formed on the flexible pipe body, and one end of the elastic rib is connected to the flexible pipe body, and the other end of the elastic rib is connected to the pulling rope.
In some embodiments of the present invention, the flexible pipe body is integrally inclined upward relative to the main pipe section, a pipe wall of the flexible pipe section is divided into a ventral pipe wall and a dorsal pipe wall in the circumferential direction, and the elastic member is disposed on the dorsal pipe wall.
In some embodiments of the present invention, an inner wall of the main tube segment extending along the back side tube wall forms a receiving cavity for receiving the pull rope; the elastic piece is at least one elastic rib embedded into the back side pipe wall, and the extending direction of the elastic rib is the same as that of the back side pipe wall.
In some embodiments of the invention, the proximal end of the flexible tubing segment is adhesively attached to the distal end of the main tubing segment.
In some embodiments of the present invention, the flexible pipe section is formed by injection molding through an injection molding process, and the main pipe section is formed by extrusion through an extrusion process.
In some embodiments of the present invention, the proximal end of the double lumen bronchial cannula forms a positioning portion for positioning a pull cord.
In some embodiments of the present invention, the double-lumen bronchial cannula is a visible double-lumen bronchial cannula.
Compared with the prior art, the invention has the advantages that the distal tube body of the bronchus is set into the flexible tube body which can be elastically deformed, so that the flexible tube body can be switched between the inclined position and the vertical position, in the process that a doctor introduces the intubation tube, the driving piece enables the flexible tube section on the front side of the bronchus to be switched from the original inclined position to the vertical position, the flexible tube section is enabled to enter the tracheal wall in the vertical state, the condition that mucosa of the tracheal wall bleeds due to the bending setting of the air outlet of the existing double-cavity tracheal intubation tube is avoided, when the tracheal tube reaches the bulge, the driving piece is loosened to enable the flexible tube section of the bronchus to be reset from the vertical position to the inclined position, in this way, the glottis can be more; and can reduce the damage of the bronchus air outlet to the tracheal wall of the patient during intubation
Drawings
FIG. 1 is a schematic structural view of a dual lumen endotracheal tube provided in the prior art;
FIG. 2 is a schematic structural view of a dual lumen endotracheal tube provided in accordance with the present invention;
FIG. 3 is an axial cross-sectional view of the distal body of the bronchus provided by the present invention;
FIG. 4 is a radial cross-sectional view of a dual lumen endotracheal tube provided in accordance with the present invention;
fig. 5 is a top view of a dual lumen endotracheal tube provided by the present invention.
Detailed Description
The invention or the technical scheme of the invention is further specifically described by the specific embodiment and the accompanying drawings of the specification;
in the description of the present invention, "at least one" means more than one unless specifically defined otherwise.
In the description of the present invention, it is to be understood that the terms "proximal", "distal", "top", "inner", "outer", "upper" and "lower", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention; in the present application, "proximal" and "proximal" should be interpreted as parts close to the operator (doctor), while "distal" and "distal" should be interpreted as parts distant from the doctor.
In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "mounted" and "connected" should be interpreted broadly, and may be, for example, a mechanical connection or an electrical connection, a communication between two elements, a direct connection, or an indirect connection via an intermediate medium, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
The invention provides a double-cavity bronchial cannula which comprises a main trachea 1, a bronchus 2, a trachea air bag 11 and a bronchus air bag 23;
as shown in fig. 1, the main trachea 1 and the branch trachea 2, the branch trachea 2 has a main tube segment 21 arranged side by side with the main trachea 1 and a flexible tube segment 22 connected with the distal end of the main tube segment 21, the flexible tube segment 22 is arranged in a bending and extending manner relative to the distal end of the main tube segment 21, i.e. the flexible tube segment 22 is equivalent to the main trachea 1 and the main tube segment 21 extending in a bending and extending manner towards the distal side, in addition, the distal side of the main trachea and the main tube segment is provided with a trachea gasbag 11, the distal side of the flexible tube segment is provided with a branch trachea gasbag 23, referring to fig. 4, the branch trachea gasbag is arranged in communication with a gasbag inflation cavity 231, and the trachea gasbag 11 is also arranged;
thus, referring to fig. 1, while the tracheal balloon 11 seals the trachea, the flexible tube segment 22, which is in an inclined state with respect to the main trachea 1, can enter the left lung or the right lung, and the bronchial balloon 23 is used for protecting the left lung or the right lung; considering that when the double-cavity bronchial cannula enters into the trachea, the bronchus air outlet 220 at the front side of the inclined flexible tube section inevitably rubs with the trachea wall to cause mucosal bleeding; in this regard, the flexible tube segment 22 provided by the present embodiment is configured to undergo an elastic deformation that allows the flexible tube segment in an inclined position to move toward the distal longitudinal axis of the main tube segment 21, such that the flexible tube segment 22 can be converted from an inclined state to an upright state, and when the flexible tube segment 22 enters the trachea during a double lumen bronchial intubation by a physician, the bronchial exit port at the distal end of the flexible tube segment 22 will not come into frictional contact with the tracheal wall; when the outlet of the bronchus reaches the hump, the flexible pipe section is restored to the original inclined state from the upright state, so that the ventilation of any lung is realized;
in the embodiment of the present invention, the "standing state" herein means that the flexible pipe section extends linearly or approximately linearly relative to the main pipe section; the term "inclined" as used herein means that the flexible tube section is bent relative to the main tube section when entering the lung; in order to facilitate insertion of the intubation tube into the trachea through the throat, the main trachea and the main tube segment of the conventional endotracheal intubation are integrally provided in an arc shape, and therefore, the upright state or the inclined state refers to the far end of the flexible tube segment relative to the main tube segment.
Referring to fig. 2, in the present embodiment, when the flexible pipe section is in an inclined state, an included angle of 45 ° is formed between the flexible pipe section and the main pipe section.
Referring to fig. 2 and 3, the embodiment of the present invention further provides a driving member 5, wherein the driving member 5 acts on the flexible pipe section 22 to enable the flexible pipe section to be converted between the inclined state and the upright state;
in a preferred embodiment of the present invention, the hardness of the main tube segment 21 at least at the distal end connected to the flexible tube segment 22 is greater than the hardness of the flexible tube segment 22, so that the flexible tube segment can rotate with the distal end of the main tube segment as a support, and thus, when the distal side of the main tube segment 21 is in an upright state, the driving member 5 drives the flexible tube segment to rotate with the rigid distal end thereof as a fulcrum, so as to realize the conversion between the inclined state and the upright state; optionally, the flexible pipe section is formed by injection molding through an injection molding process, the main pipe section is formed by extrusion through an extrusion process, and thus the hardness of the main pipe section extruded through the extrusion process is higher than that of the flexible pipe section extruded through the injection molding process, and thus the flexible pipe section can rotate towards the longitudinal axis direction by taking the far end of the main pipe section as a rigid support until the flexible pipe section and the main pipe section are in a linear extension state; in this embodiment, the proximal end of the flexible tube segment is adhesively connected to the distal end of the main tube segment, thereby forming an adhesive segment 7 between the flexible tube segment 22 and the main tube segment 21;
the flexible pipe section and the driving member provided by the present invention can be realized in various structural forms, in some embodiments of the present invention, the flexible pipe section 22 includes a flexible pipe body and an elastic member 3 disposed in the flexible pipe body, the driving member 5 drives the flexible pipe body to move toward the direction of the distal longitudinal axis of the main pipe section by driving the elastic member 3 to deform, where the movement toward the distal longitudinal axis of the main pipe section means moving from an inclined position relative to the distal end of the main pipe section toward an upright position in which the flexible pipe section and the driving member are linearly arranged;
optionally, the elastic member 3 is at least one elastic rib 3 formed on the flexible pipe body, one end of the elastic rib 3 is connected with the flexible pipe body, and the other end is connected with the driving member; optionally, the driving member 5 is a pulling rope movably disposed in the main tube segment, one end of the pulling rope 5 is connected to the elastic member 3, and the other end of the pulling rope extends out of the main tube segment 21 for stretching operation; preferably, in order to avoid the influence of the pulling rope on the ventilation process, in this embodiment, please refer to fig. 4 and 5, a longitudinally extending accommodating cavity 25 is formed in the wall of the main tube segment, the pulling rope 5 is movably accommodated in the accommodating cavity, an embedding cavity communicated with the accommodating cavity is formed in the flexible tube segment 22, an elastic rib 3 is embedded in the embedding cavity, one end of the elastic rib is fixed in the embedding cavity, the other end of the elastic rib is connected with one end of the pulling rope 5, and the other end of the pulling rope extends out of the main tube segment 21, so that a doctor stretches or loosens the pulling rope, and drives the flexible tube segment to deform through the elastic deformation of the elastic rib, thereby realizing the conversion between the upright state and the inclined state, and the elastic rib and the pulling rope are arranged on the inner walls of the main tube segment and the flexible tube segment;
specifically, the flexible pipe body is entirely inclined with respect to the main pipe segment, the pipe wall of the flexible pipe segment is circumferentially divided into a ventral pipe wall 222 and a dorsal pipe wall 221, and the elastic member 3 is disposed on the dorsal pipe wall 221; the inner wall of the main pipe section extending along the back side pipe wall forms a containing cavity 25 for containing the pull rope; the elastic part is at least one elastic rib 3 embedded in the back side pipe wall 221, and the extending direction of the elastic rib 3 is the same as that of the back side pipe wall 221;
optionally, the dual-lumen endotracheal tube provided in this embodiment further includes a positioning portion 8 for fixing the pulling rope, and when the pulling rope 5 stretches the flexible tube section to realize the conversion from the inclined state to the upright state, the pulling rope is fixed to the positioning portion, so that the flexible tube section is kept in the upright state, and when the flexible tube section needs to be introduced into the pulmonary tract, the fixing of the pulling rope is released, and the flexible tube section is reset from the upright state to the inclined state; optionally, the positioning portion is a clamping portion 8 formed at the proximal end of the double-lumen endotracheal tube, and when the flexible tube section is stretched by the pulling rope to realize the conversion from the inclined state to the upright state, the pulling rope is clamped at the clamping portion.
In this embodiment, the double-lumen bronchial cannula is a visible double-lumen bronchial cannula, and a camera assembly 6 is formed at the distal end of the main trachea 1, and includes a camera, a connecting wire, and the like;
the original natural state of the double-cavity tracheal cannula provided by the embodiment is the same as that of a common visible double-cavity tube, namely, the flexible tube section and the main tube section are arranged in a bent mode, when the cannula is required to be inserted, the pull rope is pulled to pull the outlet of the bronchial tube into an upright state in which the outlet of the bronchial tube and the main tube section are arranged in a straight line, then the tail end of the pull rope is clamped at the clamping position of the machine end, so that the outlet of the bronchial tube and the tube body are kept in a straight line state, after the cannula is inserted to the bulge, the pull rope is loosened, the outlet of the bronchial tube returns; the process is reversed during the tube drawing, and the process avoids the condition that mucosa bleeding occurs when the air outlet of the bronchus rubs the tracheal wall.
The flexible pipe section provided by the invention adopts an injection molding mode, and has enough softness, so that the stimulation to the parasympathetic nerve of a patient is reduced during intubation, and the occurrence of complications is reduced. .
The bronchus air outlet in the original inclined state can be straightened, the bronchus can be more easily entered into a glottis during intubation, intubation time is shortened, and the survival rate of patients is improved; the air outlet of the bronchus can be straightened, and the damage to the tracheal wall of the patient is reduced during intubation.
In the description herein, references to the description of the terms "some embodiments," "examples," or the like, 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 are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A dual lumen bronchial cannula, the cannula comprising:
the main gas pipe (1) and the branch gas pipe (2), the branch gas pipe (2) is provided with a main pipe section (21) which is arranged side by side with the main gas pipe (1) and a flexible pipe section (22) which is communicated with the far end of the main pipe section (21), the flexible pipe section is arranged in a bending and extending way relative to the far end of the main pipe section, and the flexible pipe section is constructed to be capable of generating elastic deformation;
a trachea air bag (11) and a bronchus air bag (23), the trachea air bag is arranged at the far side of the main trachea and the main tube section, and the bronchus air bag is arranged at the far side of the flexible tube section
A drive member (5) which drives the flexible pipe section between the inclined state and the upright state.
2. The dual lumen bronchial cannula of claim 1, wherein the flexible tube segment comprises a flexible tube body and an elastic member (3) disposed within the flexible tube body, wherein the driving member drives the flexible tube body to shift between the inclined state and the upright state by driving the elastic member to deform.
3. The dual lumen bronchial cannula of claim 1, characterized in that the hardness of the main tube segment (21) at least at its distal end connected to the flexible tube segment (22) is greater than the hardness of the flexible tube segment (22) so that the flexible tube segment can rotate with the distal end of the main tube segment as a support.
4. The dual lumen bronchial cannula of claim 2, wherein the driving member is a pull cord movably disposed within the main tube segment, wherein one end of the pull cord is connected to the elastic member and the other end of the pull cord extends out of the main tube segment for stretching.
5. The dual lumen bronchial cannula of claim 2, wherein the elastic member is at least one elastic rib formed on the flexible tube body, the elastic rib having one end connected to the flexible tube body and the other end connected to the pull cord.
6. The dual lumen bronchial cannula of claim 5, wherein the wall of the flexible tubing segment is circumferentially divided into a ventral wall (222) and a dorsal wall (221), the resilient member being disposed on the dorsal wall.
7. The dual-lumen bronchial cannula of claim 2, characterized in that the inner wall of the main tube segment (21) extending along the dorsal tube wall forms a housing cavity (25) for housing the pull string; the elastic piece is at least one elastic rib embedded into the back side pipe wall, and the extending direction of the elastic rib is the same as that of the back side pipe wall.
8. The dual lumen bronchial cannula of claim 1, characterized in that the proximal end of the flexible tube segment is adhesively connected to the distal end of the main tube segment by an adhesive segment (7).
9. The dual lumen bronchial cannula of claim 7, wherein the flexible tubing segment is injection molded using an injection molding process and the main tubing segment is extruded using an extrusion process.
10. The double lumen bronchial cannula according to claim 4, characterized in that the proximal end of the double lumen bronchial cannula forms a positioning portion (8) for positioning the pull cord.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911214318.9A CN110787350A (en) | 2019-12-02 | 2019-12-02 | Double-cavity bronchial cannula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911214318.9A CN110787350A (en) | 2019-12-02 | 2019-12-02 | Double-cavity bronchial cannula |
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| Publication Number | Publication Date |
|---|---|
| CN110787350A true CN110787350A (en) | 2020-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911214318.9A Pending CN110787350A (en) | 2019-12-02 | 2019-12-02 | Double-cavity bronchial cannula |
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| Country | Link |
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| CN (1) | CN110787350A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113974753A (en) * | 2021-12-06 | 2022-01-28 | 台州恩泽医疗中心(集团) | Bronchus plugging device |
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| CN108601925A (en) * | 2015-12-04 | 2018-09-28 | 项目莫里股份有限公司 | Input for conduit and other purposes and articulated system |
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| CN211584774U (en) * | 2019-12-02 | 2020-09-29 | 浙江优亿医疗器械有限公司 | Double-cavity bronchial cannula |
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2019
- 2019-12-02 CN CN201911214318.9A patent/CN110787350A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2730400Y (en) * | 2004-08-27 | 2005-10-05 | 高宇 | Spring two-cavity catheter |
| CN105407786A (en) * | 2013-07-22 | 2016-03-16 | 伍恩迪吉股份有限公司 | Medical device, and the methods of using same |
| CN203620027U (en) * | 2013-11-06 | 2014-06-04 | 广州中医药大学第一附属医院 | Video light wand for guiding difficult tracheal intubation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113974753A (en) * | 2021-12-06 | 2022-01-28 | 台州恩泽医疗中心(集团) | Bronchus plugging device |
| CN113974753B (en) * | 2021-12-06 | 2023-12-15 | 台州恩泽医疗中心(集团) | Bronchus occluder |
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