CN116942980A - Tracheal cannula for bronchoscopy - Google Patents

Tracheal cannula for bronchoscopy Download PDF

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Publication number
CN116942980A
CN116942980A CN202310248450.1A CN202310248450A CN116942980A CN 116942980 A CN116942980 A CN 116942980A CN 202310248450 A CN202310248450 A CN 202310248450A CN 116942980 A CN116942980 A CN 116942980A
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CN
China
Prior art keywords
annular
block
spring
hole
central axis
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Pending
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CN202310248450.1A
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Chinese (zh)
Inventor
刘诗晴
胡成平
李晓莉
王粒蘅
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Xiangya Hospital of Central South University
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Xiangya Hospital of Central South University
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Priority to CN202310248450.1A priority Critical patent/CN116942980A/en
Publication of CN116942980A publication Critical patent/CN116942980A/en
Pending legal-status Critical Current

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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
    • A61M16/0463—Tracheal tubes combined with suction tubes, catheters or the like; Outside connections
    • 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
    • A61B1/00147—Holding or positioning arrangements
    • 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
    • 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
    • A61M16/0488—Mouthpieces; Means for guiding, securing or introducing the tubes
    • A61M16/0497—Tube stabilizer

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pulmonology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Otolaryngology (AREA)
  • Anesthesiology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Emergency Medicine (AREA)
  • Radiology & Medical Imaging (AREA)
  • Hematology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Physiology (AREA)
  • Endoscopes (AREA)

Abstract

The invention discloses an endotracheal tube for bronchoscopy, which can solve the problem that the prior bronchoscope cannot be fixed relative to the endotracheal tube after being embedded into the endotracheal tube; specifically, when in use, the bronchoscope is embedded into the intubation body, and at the moment, under the action of the elasticity of the first spring, the second clamping block and the first clamping block jointly clamp the bronchoscope so as to fix the position of the bronchoscope; then the cannula body stretches into the trachea through the mouth of the patient, then the supporting plate is covered on the mouth of the patient, and the cannula body is fixed on the head of the patient by using the fixing component; when the position of the bronchoscope relative to the intubation body needs to be adjusted, the second supporting block is driven to move in the direction deviating from the first supporting block through the driving component, so that the position of the bronchoscope can be manually adjusted without clamping the position of the bronchoscope, and the operation is more convenient.

Description

Tracheal cannula for bronchoscopy
Technical Field
The invention relates to the technical field of bronchoscopes, in particular to an endotracheal tube for bronchoscopy.
Background
The bronchoscope is a tubular instrument formed by a plurality of light-guiding glass or acrylic resin fiber bundles, and the front condition of the objective lens is displayed on a display screen through the fiber bundles in a reflection imaging way so as to facilitate medical staff to observe the internal condition of the bronchus of a patient; the trachea cannula is used for inserting the patient in the trachea, then the bronchoscope gets into the patient in the bronchus through embedding trachea cannula, but current bronchoscope embedding trachea cannula after to can not carry out the position fixing relative trachea cannula, lead to medical staff to need the inside condition of patient's bronchus again after the position of manual fixed bronchoscope, increase the operation degree of difficulty, it is inconvenient to use.
Disclosure of Invention
The invention mainly aims to provide an endotracheal tube for bronchoscopy, and aims to solve the problem that the prior bronchoscope cannot be fixed in position relative to the endotracheal tube after being embedded into the endotracheal tube.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows:
an endotracheal tube for bronchoscopy, comprising a tube body, a fixing component and a clamping component; the intubation body is used for movably penetrating the bronchoscope; an oxygen supply pipe is arranged at one end of the cannula body; the outer wall of one side of the cannula body, which is close to the oxygen supply pipe, is provided with a supporting plate; the fixing component is arranged on the supporting plate and used for fixing the cannula body on the head of a user; the clamping assembly comprises a first clamping block, a second clamping block, a moving rod, a first annular baffle, a first spring, an annular supporting block and a driving part; the annular supporting block is sleeved on the outer wall of the intubation body and is positioned on one side of the oxygen supply tube, which is away from the supporting plate; the first clamping block is fixed in the cannula body; the second clamping block is arranged in a positive opposite way to the first clamping block; the movable rod is connected to one side of the second clamping block, which is away from the first clamping block; the movable rod is arranged on the pipe wall of the cannula body in a sliding way and penetrates through the annular supporting block; the first spring is arranged on the annular supporting block and connected with the moving rod, and is used for driving the second supporting block to move towards the direction close to the first supporting block so as to clamp and fix the position of the bronchoscope; the driving part is used for driving the second supporting block to move in a direction deviating from the first supporting block so as to not clamp and fix the position of the bronchoscope.
Preferably, the fixing assembly includes a first strap and a second strap having elasticity; the first binding band is connected to one side of the supporting plate; the second binding band is connected to the other side of the supporting plate; a first magic tape is arranged on one side of the first binding belt, which is far away from the supporting plate; a second magic tape is arranged on one side of the second binding belt, which is far away from the supporting plate; the first magic tape is used for being attached to the second magic tape so that the first binding band is connected to the second binding band.
Preferably, a first arc-shaped groove is formed on one side of the first clamping block opposite to the second clamping block; a second arc-shaped groove is formed on one side, opposite to the first clamping block, of the second clamping block; a first elastic buffer layer is arranged in the first arc-shaped groove; and a second elastic buffer layer is arranged in the second arc-shaped groove.
Preferably, the driving part comprises a moving rod, a first spring and a first annular baffle; the annular supporting block is provided with a first through hole; a first annular inner groove is formed in the middle of the first through hole; the first annular inner groove and the first through hole share a central axis; the inner diameter of the first annular inner groove is larger than that of the first through hole; the moving rod is arranged in the first through hole in a sliding way, and the moving rod and the first through hole share the central axis; the first annular baffle is movably embedded in the first annular inner groove, the first spring is sleeved on the moving rod, and the first spring is arranged in the first annular inner groove; one end of the first spring is connected to one side of the first annular inner groove, which is far away from the cannula body, and the other end of the first annular inner groove is connected to the first annular baffle; the elastic force of the first spring enables the first annular baffle to be abutted against one side, close to the cannula body, of the first annular inner groove.
Preferably, the central axis of the moving rod is perpendicular to the central axis of the annular supporting block; the driving part further comprises a lantern ring and a connecting rope; the lantern ring is rotationally sleeved on the annular supporting block; the rotating shaft of the lantern ring and the annular supporting block share the central axis; one end of the connecting rope is connected with one end of the movable rod, which is far away from the cannula body; the other end of the connecting rope movably penetrates through the first through hole and is connected to the inner wall of the lantern ring.
Preferably, a first annular groove is formed in the inner wall of the lantern ring; the outer wall of the annular supporting block is provided with a second annular groove; the central axis of the first annular groove is collinear with the central axis of the second annular groove, and the central axis of the first annular groove coincides with the central axis of the annular supporting block; and a plurality of balls are embedded between the first annular groove and the second annular groove in a rolling manner.
Preferably, the elastic force of the first spring keeps the connecting rope in a straightened state, and when the connecting rope is kept in a straightened state, the connecting rope and the moving rod are coaxial.
Preferably, the clamping assembly further comprises a limiting component; the limiting component comprises a limiting rod, a second spring and a second annular baffle; the lantern ring is provided with a second through hole in a penetrating way; the central axis of the second through hole is perpendicular to the central axis of the lantern ring; the limiting rod is arranged in the second through hole in a sliding way; a second annular inner groove is formed in the middle of the second through hole; the second annular baffle plate is sleeved at the middle part of the limiting rod and is movably embedded in the second annular inner groove; the second spring is sleeved on the limiting rod and is positioned in the second annular inner groove; one end of the second spring is connected to one side, far away from the annular supporting block, of the second annular inner groove, and the other end of the second spring is connected to the second annular baffle; the elastic force of the second spring enables the second annular baffle to be abutted against one side, close to the annular supporting block, of the second annular inner groove; a plurality of limiting holes are uniformly formed in the circumferential direction of the outer wall of the annular supporting block; one end of the limiting rod is used for extending out of the second through hole and being embedded into the limiting hole.
Preferably, the limiting component further comprises a connecting block, a first connecting plate and a second connecting plate; the connecting block is connected to one end of the limiting rod, which extends out of the outer wall of the lantern ring; the first connecting plate is hinged to one side of the connecting block; the second connecting plate is hinged to the other side of the connecting block; the first connecting plate and the second connecting plate are symmetrical with the limiting rod; the hinge shaft of the first connecting plate relative to the connecting block is parallel to the central axis of the lantern ring; the hinge shaft of the second connecting plate relative to the connecting block is parallel to the central axis of the lantern ring; when the first connecting plate rotates to be abutted with the outer wall of the lantern ring, the limiting rod extends out of the limiting hole.
Preferably, the supporting plate is provided with a plurality of ventilation holes.
Compared with the prior art, the invention has at least the following beneficial effects:
the tracheal cannula for bronchoscopy provided by the invention can solve the problem that the prior bronchoscope cannot be fixed relative to the tracheal cannula after being embedded into the tracheal cannula; specifically, when in use, the bronchoscope is embedded into the intubation body, and at the moment, under the action of the elasticity of the first spring, the second clamping block and the first clamping block jointly clamp the bronchoscope so as to fix the position of the bronchoscope; then the cannula body stretches into the trachea through the mouth of the patient, then the supporting plate is covered on the mouth of the patient, and the cannula body is fixed on the head of the patient by using the fixing component; when the position of the bronchoscope relative to the intubation body needs to be adjusted, the second supporting block is driven to move in the direction deviating from the first supporting block through the driving component, so that the position of the bronchoscope can be manually adjusted without clamping the position of the bronchoscope, and the operation is more convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an embodiment of an endotracheal tube for bronchoscopy according to the present invention;
FIG. 2 is a schematic view of a clamping assembly according to an embodiment of the present invention for bronchoscopy of an endotracheal tube;
fig. 3 is a schematic structural view of a limiting member of an embodiment of an endotracheal tube for bronchoscopy according to the present invention.
Reference numerals illustrate:
110. a cannula body; 120. a support plate; 130. an oxygen supply pipe; 140. a first strap; 150. a second strap; 160. an annular support block; 170. a collar; 180. bronchoscopes; 190. a first clamping block; 210. a second clamping block; 220. a moving rod; 230. a first through hole; 240. a first annular inner tank; 250. a first annular baffle; 260. a first spring; 270. a connecting rope; 280. a ball; 290. a limiting hole; 310. a limit rod; 320. a second through hole; 330. a second annular inner tank; 340. a second annular baffle; 350. a second spring; 360. a connecting block; 370. a first connecting plate; 380. a second connecting plate; 390. a first pull ring; 410. a second pull ring; 420. and a third pull ring.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.
The invention provides an endotracheal tube for bronchoscopy.
Referring to fig. 1-3, an endotracheal tube for bronchoscopy 180 according to the present invention comprises a tube body 110, a fixing component and a clamping component; the intubation body 110 is used for movably threading the bronchoscope 180; an oxygen supply pipe 130 is arranged at one end of the cannula body 110 (by arranging the oxygen supply pipe 130, oxygen can be supplied to a patient when the cannula is used, so that the patient is prevented from being unsmooth in breathing due to anesthesia); the outer wall of the cannula body 110 at one side close to the oxygen supply tube 130 is provided with a support plate 120; the support plate 120 is provided with a plurality of ventilation holes (for the patient to breathe); the fixing component is disposed on the support plate 120 for fixing the cannula body 110 to the head of the user; the clamping assembly includes a first clamping block 190, a second clamping block 210, a moving rod 220, a first annular barrier 250, a first spring 260, an annular support block 160, and a driving member; the annular supporting block 160 is sleeved on the outer wall of the cannula body 110, and the annular supporting block 160 is positioned on one side of the oxygen supply tube 130 away from the supporting plate 120; the first clamping block 190 is fixed inside the cannula body 110; the second clamping block 210 is disposed directly opposite to the first clamping block 190; the moving rod 220 is connected to a side of the second clamping block 210 facing away from the first clamping block 190; the moving rod 220 is slidably arranged on the pipe wall of the cannula body 110 and the annular supporting block 160; the first spring 260 is disposed on the annular supporting block 160 and connected to the moving rod 220, for driving the second supporting block to move in a direction approaching to the first supporting block, thereby clamping and fixing the position of the bronchoscope 180; the driving member is used to drive the second support block to move in a direction away from the first support block so as to not clamp and fix the position of the bronchoscope 180.
The tracheal cannula for bronchoscope 180 examination provided by the invention can solve the problem that the prior bronchoscope 180 can not be fixed relative to the tracheal cannula after being embedded into the tracheal cannula; specifically, when in use, the bronchoscope 180 is embedded into the cannula body 110, and at this time, under the action of the elastic force of the first spring 260, the second clamping block 210 and the first clamping block 190 jointly clamp the bronchoscope 180 to fix the position of the bronchoscope 180; then the cannula body 110 is extended into the trachea through the mouth of the patient, then the supporting plate 120 is covered on the mouth of the patient, and the cannula body 110 is fixed on the head of the patient by using the fixing component; when the position of the bronchoscope 180 relative to the cannula body 110 needs to be adjusted, the driving part drives the second clamping block 210 to move in the direction away from the first clamping block 190 so as to not clamp and fix the position of the bronchoscope 180 any more, and the position of the bronchoscope 180 can be manually adjusted, so that the operation is more convenient.
In addition, the above-mentioned fixing assembly includes a first strap 140 and a second strap 150 having elasticity; the first strap 140 is attached to one side of the support plate 120; the second strap 150 is attached to the other side of the support plate; the side of the first strap 140 remote from the support plate 120 is provided with a first velcro (not shown); the side of the second strap 150 remote from the support plate 120 is provided with a second velcro (not shown); the first velcro is adapted to fit with the second velcro such that the first strap 140 is connected to the second strap 150.
By providing the first strap 140 and the second strap 150, the present cannula can be more conveniently fixed to the head of the user.
Meanwhile, a first arc-shaped groove (not numbered) is formed at a side of the first clamping block 190 opposite to the second clamping block 210; a second arc-shaped groove (not numbered) is formed at a side of the second clamping block 210 opposite to the first clamping block 190; a first elastic buffer layer (not shown) is arranged in the first arc-shaped groove; a second elastic buffer layer (not shown) is disposed in the second arcuate slot. This arrangement facilitates clamping and securing bronchoscope 180.
Further, the driving part includes a moving rod 220, a first spring 260, and a first ring shutter 250; the annular supporting block 160 is provided with a first through hole 230; a first annular inner groove 240 is formed in the middle of the first through hole 230; the first annular inner groove 240 is concentric with the first through hole 230; the inner diameter of the first annular inner groove 240 is larger than the inner diameter of the first through hole 230; the moving rod 220 is slidably disposed through the first through hole 230, and the moving rod 220 and the first through hole 230 share a central axis; the first annular baffle 250 is movably embedded in the first annular inner groove 240, the first spring 260 is sleeved on the moving rod 220, and the first spring 260 is arranged in the first annular inner groove 240; one end of the first spring 260 is connected to a side of the first annular inner groove 240 facing away from the cannula body 110, and the other end of the first annular inner groove 240 is connected to the first annular baffle 250; the elastic force of the first spring 260 makes the first annular baffle 250 abut against the side of the first annular inner groove 240 near the cannula body 110, and when the first annular baffle 250 abuts against the side of the first annular inner groove 240 near the cannula body 110, the first clamping block 190 and the second clamping block 210 can clamp and fix the bronchoscope 180. Through the calculation scheme, the structure and the function of the clamping assembly are further improved.
Meanwhile, the central axis of the moving rod 220 is perpendicular to the central axis of the ring-shaped supporting block 160; the drive member also includes collar 170 and connecting cord 270; the lantern ring 170 is rotatably sleeved on the annular supporting block 160; the rotation shaft of the collar 170 is coaxial with the annular support block 160; one end of the connection rope 270 is connected to one end of the moving rod 220 facing away from the cannula body 110; the other end of the connection rope 270 is movably inserted through the first through hole 230 and connected to the inner wall of the collar 170.
Through the above technical solution, when the position of the bronchoscope 180 relative to the cannula body 110 needs to be adjusted, the collar 170 can be manually rotated to pull the connecting rope 270, so as to pull the moving rod 220 to move in a direction away from the cannula body 110, and further pull the second clamping block 210 to move in a direction away from the first clamping block 190, so that the second clamping block 210 and the first clamping block 190 no longer clamp and fix the bronchoscope 180; after the position of the bronchoscope 180 is adjusted, the collar 170 is manually loosened, and the first clamping block 190 and the second clamping block 210 clamp and fix the bronchoscope 180 again under the elastic force of the first spring 260.
Further, the inner wall of the collar 170 is provided with a first annular groove (not shown); the outer wall of the annular supporting block 160 is provided with a second annular groove (not shown); the central axis of the first annular groove is collinear with the central axis of the second annular groove, and the central axis of the first annular groove coincides with the central axis of the annular supporting block 160; a plurality of balls 280 are embedded between the first annular groove and the second annular groove in a rolling manner. By the above technical scheme, the specific scheme that the collar 170 is rotatably sleeved on the annular supporting block 160 is perfected.
Specifically, as shown in fig. 2, the elastic force of the first spring 260 maintains the connection rope 270 in a straightened state, and when the connection rope 270 is maintained in a straightened state, the connection rope 270 is coaxial with the moving rod 220.
In addition, the clamping assembly further comprises a limiting component; the limiting member includes a limiting rod 310, a second spring 350, and a second annular barrier 340; the collar 170 is provided with a second through hole 320; the central axis of the second through hole 320 is perpendicular to the central axis of the collar 170; the limiting rod 310 is slidably arranged through the second through hole 320; a second annular inner groove 330 is formed in the middle of the second through hole 320; the second annular baffle 340 is sleeved at the middle part of the limiting rod 310 and is movably embedded in the second annular inner groove 330; the second spring 350 is sleeved on the limiting rod 310 and is positioned in the second annular inner groove 330; one end of the second spring 350 is connected to one side of the second annular inner groove 330 remote from the annular supporting block 160, and the other end of the second spring 350 is connected to the second annular baffle 340; the elastic force of the second spring 350 makes the second annular baffle 340 abut against one side of the second annular inner groove 330, which is close to the annular supporting block 160; a plurality of limiting holes 290 are uniformly formed in the circumferential direction of the outer wall of the annular supporting block 160; one end of the limiting rod 310 is configured to extend out of the second through hole 320 and be embedded into the limiting hole 290.
Through the above technical scheme, the structure and the function of the clamping assembly are further improved, namely, when the position of the bronchoscope 180 relative to the intubation body 110 needs to be adjusted, the limiting rod 310 can be pulled out manually, so that the limiting rod 310 is pulled out of the limiting hole 290, then the lantern ring 170 can be rotated to pull the connecting rope 270, so that the moving rod 220 is pulled to move towards the direction deviating from the intubation body 110, when the lantern ring 170 rotates to the direction that the first clamping block 190 and the second clamping block 210 do not clamp the bronchoscope 180 any more, the limiting rod 310 can be loosened, the limiting rod 310 is embedded into the limiting hole 290 again under the action of the second spring 350, the position of the lantern ring 170 can be fixed, so that medical staff can conveniently adjust the position of the bronchoscope 180, after the position of the bronchoscope 180 is adjusted, the limiting rod 310 is pulled out again, the lantern ring 170 rotates to the initial position under the action of the first spring 260, and then the first clamping block 190 and the second clamping block 210 can fix the position of the bronchoscope 180.
Specifically, the limiting component further includes a connecting block 360, a first connecting plate 370 and a second connecting plate 380; the connecting block 360 is connected to one end of the limiting rod 310 extending out of the outer wall of the collar 170; the first connection plate 370 is hinged to one side of the connection block 360; the second connecting plate 380 is hinged to the other side of the connecting block 360; the first link plate 370 and the second link plate 380 are symmetrical with the stopper rod 310; the hinge axis of the first connection plate 370 with respect to the connection block 360 is parallel to the central axis of the collar 170; the hinge axis of the second link plate 380 relative to the connection block 360 is parallel to the central axis of the collar 170; when the first connecting plate 370 rotates to abut against the outer wall of the collar 170, the limit rod 310 extends out of the limit hole 290; the outer wall of the connection block 360 is provided with a first pull ring 390, and the first connection plate 370 is provided with a second pull ring 410; the second web 380 is provided with a third tab 420.
Through setting up the pull ring so that pull out gag lever post 310, through setting up first link plate 370 and second link plate 380, can pull out the back with gag lever post 310, through rotating first link plate 370 and second link plate 380 to make first link plate 370 and second link plate 380 butt respectively in the outer wall of lantern ring 170, thereby fix the position of gag lever post 310, no longer need manual fixed pull up gag lever post 310.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.

Claims (10)

1. An endotracheal tube for bronchoscopy, comprising a tube body, a fixing component and a clamping component; the intubation body is used for movably penetrating the bronchoscope; an oxygen supply pipe is arranged at one end of the cannula body; the outer wall of one side of the cannula body, which is close to the oxygen supply pipe, is provided with a supporting plate; the fixing component is arranged on the supporting plate and used for fixing the cannula body on the head of a user; the clamping assembly comprises a first clamping block, a second clamping block, a moving rod, a first annular baffle, a first spring, an annular supporting block and a driving part; the annular supporting block is sleeved on the outer wall of the intubation body and is positioned on one side of the oxygen supply tube, which is away from the supporting plate; the first clamping block is fixed in the cannula body; the second clamping block is arranged in a positive opposite way to the first clamping block; the movable rod is connected to one side of the second clamping block, which is away from the first clamping block; the movable rod is arranged on the pipe wall of the cannula body in a sliding way and penetrates through the annular supporting block; the first spring is arranged on the annular supporting block and connected with the moving rod, and is used for driving the second supporting block to move towards the direction close to the first supporting block so as to clamp and fix the position of the bronchoscope; the driving part is used for driving the second supporting block to move in a direction deviating from the first supporting block so as to not clamp and fix the position of the bronchoscope.
2. An endotracheal tube for bronchoscopy according to claim 1, wherein the securing assembly includes a first strap and a second strap having elasticity; the first binding band is connected to one side of the supporting plate; the second binding band is connected to the other side of the supporting plate; a first magic tape is arranged on one side of the first binding belt, which is far away from the supporting plate; a second magic tape is arranged on one side of the second binding belt, which is far away from the supporting plate; the first magic tape is used for being attached to the second magic tape so that the first binding band is connected to the second binding band.
3. An endotracheal tube for bronchoscopy according to claim 1, wherein a side of the first clamping block opposite to the second clamping block is formed with a first arcuate slot; a second arc-shaped groove is formed on one side, opposite to the first clamping block, of the second clamping block; a first elastic buffer layer is arranged in the first arc-shaped groove; and a second elastic buffer layer is arranged in the second arc-shaped groove.
4. An endotracheal tube for bronchoscopy according to claim 1, wherein the drive means comprises a moving rod, a first spring and a first annular baffle; the annular supporting block is provided with a first through hole; a first annular inner groove is formed in the middle of the first through hole; the first annular inner groove and the first through hole share a central axis; the inner diameter of the first annular inner groove is larger than that of the first through hole; the moving rod is arranged in the first through hole in a sliding way, and the moving rod and the first through hole share the central axis; the first annular baffle is movably embedded in the first annular inner groove, the first spring is sleeved on the moving rod, and the first spring is arranged in the first annular inner groove; one end of the first spring is connected to one side of the first annular inner groove, which is far away from the cannula body, and the other end of the first annular inner groove is connected to the first annular baffle; the elastic force of the first spring enables the first annular baffle to be abutted against one side, close to the cannula body, of the first annular inner groove.
5. The endotracheal tube for bronchoscopy according to claim 4, wherein the central axis of the moving rod is perpendicular to the central axis of the annular support block; the driving part further comprises a lantern ring and a connecting rope; the lantern ring is rotationally sleeved on the annular supporting block; the rotating shaft of the lantern ring and the annular supporting block share the central axis; one end of the connecting rope is connected with one end of the movable rod, which is far away from the cannula body; the other end of the connecting rope movably penetrates through the first through hole and is connected to the inner wall of the lantern ring.
6. An endotracheal tube for bronchoscopy according to claim 5, wherein the inner wall of the collar is provided with a first annular recess; the outer wall of the annular supporting block is provided with a second annular groove; the central axis of the first annular groove is collinear with the central axis of the second annular groove, and the central axis of the first annular groove coincides with the central axis of the annular supporting block; and a plurality of balls are embedded between the first annular groove and the second annular groove in a rolling manner.
7. The endotracheal tube of claim 5, wherein the elastic force of the first spring maintains the connecting cord in a straightened state, and wherein the connecting cord is concentric with the movable rod when the connecting cord is maintained in a straightened state.
8. An endotracheal tube for bronchoscopy according to claim 5, wherein the clamp assembly further comprises a stop member; the limiting component comprises a limiting rod, a second spring and a second annular baffle; the lantern ring is provided with a second through hole in a penetrating way; the central axis of the second through hole is perpendicular to the central axis of the lantern ring; the limiting rod is arranged in the second through hole in a sliding way; a second annular inner groove is formed in the middle of the second through hole; the second annular baffle plate is sleeved at the middle part of the limiting rod and is movably embedded in the second annular inner groove; the second spring is sleeved on the limiting rod and is positioned in the second annular inner groove; one end of the second spring is connected to one side, far away from the annular supporting block, of the second annular inner groove, and the other end of the second spring is connected to the second annular baffle; the elastic force of the second spring enables the second annular baffle to be abutted against one side, close to the annular supporting block, of the second annular inner groove; a plurality of limiting holes are uniformly formed in the circumferential direction of the outer wall of the annular supporting block; one end of the limiting rod is used for extending out of the second through hole and being embedded into the limiting hole.
9. The endotracheal tube for bronchoscopy according to claim 8, wherein the limiting member further comprises a connection block, a first connection plate and a second connection plate; the connecting block is connected to one end of the limiting rod, which extends out of the outer wall of the lantern ring; the first connecting plate is hinged to one side of the connecting block; the second connecting plate is hinged to the other side of the connecting block; the first connecting plate and the second connecting plate are symmetrical with the limiting rod; the hinge shaft of the first connecting plate relative to the connecting block is parallel to the central axis of the lantern ring; the hinge shaft of the second connecting plate relative to the connecting block is parallel to the central axis of the lantern ring; when the first connecting plate rotates to be abutted with the outer wall of the lantern ring, the limiting rod extends out of the limiting hole.
10. The endotracheal tube for bronchoscopy according to claim 1, wherein the support plate is provided with a plurality of ventilation holes.
CN202310248450.1A 2023-03-15 2023-03-15 Tracheal cannula for bronchoscopy Pending CN116942980A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310248450.1A CN116942980A (en) 2023-03-15 2023-03-15 Tracheal cannula for bronchoscopy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310248450.1A CN116942980A (en) 2023-03-15 2023-03-15 Tracheal cannula for bronchoscopy

Publications (1)

Publication Number Publication Date
CN116942980A true CN116942980A (en) 2023-10-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310248450.1A Pending CN116942980A (en) 2023-03-15 2023-03-15 Tracheal cannula for bronchoscopy

Country Status (1)

Country Link
CN (1) CN116942980A (en)

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