CN112716433B - Double-fiber branch mirror device for single person operation and operation method thereof - Google Patents
Double-fiber branch mirror device for single person operation and operation method thereof Download PDFInfo
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- CN112716433B CN112716433B CN202011563227.9A CN202011563227A CN112716433B CN 112716433 B CN112716433 B CN 112716433B CN 202011563227 A CN202011563227 A CN 202011563227A CN 112716433 B CN112716433 B CN 112716433B
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- 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
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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
- A61B1/00064—Constructional details of the endoscope body
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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
- A61B1/00131—Accessories for endoscopes
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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
- A61B1/00147—Holding or positioning arrangements
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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
- A61B1/04—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 combined with photographic or television appliances
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- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
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Abstract
The invention discloses a double-fiber bronchoscope device for single operation, which comprises a bracket, an external light source, a first fiber bronchoscope and a second fiber bronchoscope; the support includes that retractable bracing piece, chassis, joint recess, support connecting piece, light source place the platform, the head holds in the palm and holds in the palm the connecting piece with the head, and retractable bracing piece's top and joint groove connection and its bottom are connected with the chassis, and support, light source are placed the platform and are held in the palm respectively through the support connecting piece, place a connecting piece and hold in the palm the connecting piece with the head and install on the retractable bracing piece, and external light source places at the light source and places the bench. The invention designs a double-fiber bronchoscope device for single-person operation, which solves the problems that in the traditional single-fiber bronchoscope guided tracheal intubation method, the position relation between a tracheal catheter subsequently entering an airway and a laryngeal cavity tumor cannot be evaluated after a bronchoscope enters a main airway, and the tumor is broken possibly by the action of extrusion and friction sometimes when the tracheal catheter inserted violently seriously, so that suffocation of a patient can be caused seriously.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a double-fiber bronchoscope device operated by a single person and an operation method thereof.
Background
The benign tumor of the laryngeal cavity is commonly seen as the bunting cyst, the epiglottic cyst and the polyp of the vocal cord, and the large-volume patient can cause the symptoms of dyspnea, suffocation and the like, and can influence the normal life of the patient. Usually requiring surgical excision and general anesthesia for both procedures. However, these tumors can cause the patients to have mask ventilation difficulty and trachea intubation difficulty after general anesthesia, and a clear-headed trachea intubation is generally adopted for the safety of the patients, but in the traditional single-bronchoscope guided trachea intubation method, the position relationship between a tracheal catheter subsequently entering the airway and the laryngeal cavity tumor cannot be evaluated after a bronchoscope enters the main airway, and sometimes, the coarsely inserted tracheal catheter can cause the tumor to be broken through the extrusion and friction effects, and the patient can be suffocated seriously.
The prior art has the following disadvantages:
1. the visual field is severely limited, and the structure in the bronchofiberscope lens cannot be distinguished sometimes;
2. sometimes, the glottis is difficult to find due to the limited and serious visual field and the unclear recognition of the anatomical structure;
3. the trachea opening and the esophagus opening are adjacent, so that the bronchofiberscope can easily enter the esophagus instead of the airway;
4. the bronchofiberscope cannot evaluate the position relation between a tracheal catheter subsequently entering an airway and a laryngeal cavity tumor after entering the main airway;
5. in the theoretical teaching process, a teacher is not easy to guide a student to use a bronchofiberscope to guide tracheal intubation when guiding the student to identify an anatomical structure.
Disclosure of Invention
The present invention is directed to overcome the above-mentioned deficiencies of the prior art and to provide a dual fiber mirror device for single operator operation and a method for operating the same.
In order to solve the technical problem, the technical scheme of the invention is as follows: a double fiber bronchoscope device for single operation comprises a bracket, an external light source, a first fiber bronchoscope and a second fiber bronchoscope;
the support comprises a telescopic supporting rod, a chassis, a clamping groove, a support connecting piece, a light source placing table, a head support and a head support connecting piece, wherein the top of the telescopic supporting rod is connected with the clamping groove, the bottom of the telescopic supporting rod is connected with the chassis, the support, the light source placing table and the head support are respectively arranged on the telescopic supporting rod through the support connecting piece, the placing table connecting piece and the head support connecting piece, and an external light source is placed on the light source placing table;
the telescopic supporting rod comprises a first rod piece, a second rod piece and a third rod piece, one end of the first rod piece is inserted into one end of the second rod piece, the first rod piece can slide relative to the second rod piece, one end, far away from the first rod piece, of the second rod piece is inserted into one end of the third rod piece, the first rod piece can slide relative to the second rod piece, the second rod piece can slide relative to the third rod piece, a first threaded pipe is arranged on the second rod piece in the circumferential direction of the outer surface of the end, inserted into the first rod piece, of the second rod piece, and a second threaded pipe is arranged on the third rod piece in the circumferential direction of the outer surface of the end, inserted into the second rod piece, of the third rod piece;
the first threaded pipe is provided with first through holes penetrating through the second rod piece along the radial direction, the first rod piece is provided with a plurality of second through holes penetrating through the first rod piece at intervals along the axial direction, the second rod piece is provided with a first threaded rod capable of simultaneously penetrating through the first through holes and any one of the second through holes, and one end of the first threaded rod is provided with a first end cover;
a third through hole penetrating through the third rod piece is formed in the second threaded pipe along the radial direction of the second threaded pipe, a plurality of fourth through holes penetrating through the second rod piece are formed in the second rod piece at intervals along the axial direction of the second rod piece, a second threaded rod capable of simultaneously penetrating through the third through hole and any one fourth through hole is arranged on the third rod piece, and a second end cover is arranged at one end of the second threaded rod;
one end of the support connecting piece is movably connected with the support, the other end of the support connecting piece is in threaded connection with the first threaded pipe, the light source placing table is fixedly connected with the telescopic supporting rod through the placing table connecting piece, one end of the head support connecting piece is connected with the head support, and the other end of the head support connecting piece is in threaded connection with the second threaded pipe;
the first bronchofiberscope is clamped with the clamping groove, and the second bronchofiberscope is installed on the support.
Preferably, the second bronchofiberscope is a bronchofiberscope with a display screen.
Preferably, the support and the support connecting piece are connected through a support rotating piece, and the support rotating piece comprises a ball head, a locking nut and a locking seat; one end of the ball head is connected with the support connecting piece, and the locking seat is fixed on the back of the support; the locking seat is provided with a first locking cavity matched with the ball head; the locking nut is provided with a second locking cavity matched with the ball head; the periphery of the locking seat is provided with external threads, the inner wall of one end of the locking nut is provided with internal threads matched with the external threads, and the opening of the other end of the locking nut is smaller than the diameter of the ball head; the ball head is arranged in the first locking cavity and the second locking cavity, and the locking nut is rotated to limit the moving range of the ball head in the first locking cavity and the second locking cavity.
Preferably, the device also comprises a limiting disc inserted and connected to two sides of the support, one end of the limiting disc is provided with a protrusion capable of being pressed, and the support is provided with a groove matched with the protrusion.
Preferably, the limiting disc is evenly provided with a plurality of limiting grooves along the circumferential direction.
Preferably, a plurality of universal brake casters are mounted at the bottom of the chassis.
Preferably, the first end cap and the second end cap are in a flower shape.
Preferably, the first bronchofiberscope is connected with an external light source through a light source connecting line.
Preferably, the telescopic bronchofiberscope fixing device further comprises a first bronchofiberscope fixing rod mounted on the telescopic supporting rod.
An operation method of a double-fiber mirror device for single person operation, which adopts the double-fiber mirror device for single person operation, comprises the following steps:
s1: the height of the telescopic supporting rod is adjusted: adjusting the relative positions of the first rod piece, the second rod piece and the third rod piece according to the use environment, and after the positions are determined, respectively rotating the first end cover and the second end cover to limit by using a first threaded rod and a second threaded rod;
s2: adjusting the position of the head support: fixing the head position of a patient by adopting a head support to keep the head position in a static state;
s3: adjusting the position of the second bronchofiberscope: the orientation of the display screen can be adjusted by rotating the position of the support relative to the support connecting piece, and the height of the display screen is adjusted by rotating the height of the support connecting piece on the first threaded pipe;
s4: use of the second bronchofiberscope: placing a second bronchofiberscope into the prepared nasal passage, wherein the second bronchofiberscope is used as an observation mirror for displaying the position relation between the glottis and the tumor, observing through a display screen arranged on a support, adjusting a lens adjusting button of the second bronchofiberscope through a limiting disc on the support, and fixing the position of the lens adjusting button through the limiting disc after selecting a proper angle;
s5: use of the first bronchofiberscope: the other hand takes off the first bronchofiberscope from the clamping groove, the first bronchofiberscope is placed into the glottis, and meanwhile, the tracheal catheter sleeved on the first bronchofiberscope is guided, so that the position relation between the tracheal catheter entering the airway and the tumor is evaluated, and the picture can be observed in real time in the display screen;
s6: fixing the first bronchofiberscope: in the process of intubation, the position of the first bronchofiberscope 3 is fixed by a first bronchofiberscope fixing rod piece;
s7: after use, the first bronchofiberscope and the second bronchofiberscope are placed back on the stent and the stent is pushed aside for placement.
Compared with the prior art, the invention has the advantages that:
(1) The invention adopts the double-fiber bronchoscope, can clearly display the glottis, can accurately enter the air passage through the glottis and prepare for evaluating the position relation between the tracheal catheter entering the air passage and the laryngeal cavity tumor, so as to avoid the influence on the life safety of a patient due to the tumor rupture caused by wrong operation;
(2) The bracket matched with the double-fiber endoscope is designed, so that the single-person operation of a doctor is realized, the labor is saved, and the bracket is suitable for popularization;
(3) The invention can be applied to medical teaching work, and can facilitate teachers to better guide students to identify anatomical structures through the visual field of the display screen so as to guide the students to guide trachea cannula by using bronchofiberscopes.
Drawings
FIG. 1 is a schematic view of the structure of the stent of the present invention;
FIG. 2 is a schematic view of the structure of a first bronchofiberscope of the present invention;
FIG. 3 is a schematic view of the structure of a second bronchofiberscope of the present invention;
FIG. 4 is a schematic view of the structure of the rotating part of the support in the present invention;
FIG. 5 is a schematic structural view of a limiting disc according to the present invention;
description of reference numerals:
1-bracket, 1-1-telescopic supporting rod, 1-2-chassis, 1-3-clamping groove, 1-4-support, 1-4-1-groove, 1-5-support connecting piece, 1-6-light source placing table, 1-7-head support, 1-8-head support connecting piece and 1-9-placing table connecting piece;
2-external light source;
3-a first bronchofiberscope;
4-a second bronchofiberscope, 4-1-a display screen;
5-a first rod piece, 6-a second rod piece, 7-a third rod piece, 8-a first threaded pipe, 9-a second threaded pipe, 10-a first through hole, 11-a second through hole, 12-a third through hole, 13-a fourth through hole, 14-a first threaded rod, 15-a second threaded rod, 16-a first end cover, 17-a second end cover;
18-support rotating part, 18-1-ball head, 18-2-locking nut and 18-3-locking seat;
19-a limiting disc, 19-1-a bump and 19-2-a limiting groove;
20-universal brake caster;
21-a first bronchofiberscope fixation rod.
Detailed Description
The following describes embodiments of the present invention with reference to examples:
it should be noted that the structures, proportions, sizes, and other elements shown in the specification are included for the purpose of understanding and reading only, and are not intended to limit the scope of the invention, which is defined by the claims, and any modifications of the structures, changes in the proportions and adjustments of the sizes, without affecting the efficacy and attainment of the same.
In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
As shown in fig. 1-5, a double fiber bronchoscope device for single person operation comprises a bracket 1, an external light source 2, a first fiber bronchoscope 3 and a second fiber bronchoscope 4; the first bronchofiberscope 3 is used as a sniper lens, and the second bronchofiberscope 4 is used as a viewing mirror.
The support 1 comprises a telescopic supporting rod 1-1, a chassis 1-2, a clamping groove 1-3, a support 1-4, a support connecting piece 1-5, a light source placing table 1-6, a head support 1-7, a head support connecting piece 1-8 and a placing table connecting piece 1-9, wherein the top of the telescopic supporting rod 1 is connected with the clamping groove 1-3, the bottom of the telescopic supporting rod is connected with the chassis 1-2, the support 1-4, the light source placing table 1-6 and the head support 1-7 are respectively arranged on the telescopic supporting rod 1-1 through the support connecting piece 1-5, the placing table connecting piece 1-9 and the head support connecting piece 1-8, and an external light source 2 is placed on the light source placing table 1-6;
the telescopic supporting rod 1-1 comprises a first rod piece 5, a second rod piece 6 and a third rod piece 7, one end of the first rod piece 5 is inserted into one end of the second rod piece 6, the first rod piece 5 can slide relative to the second rod piece 6, one end, far away from the first rod piece 5, of the second rod piece 6 is inserted into one end of the third rod piece 7, the first rod piece 5 can slide relative to the second rod piece 6, the second rod piece 6 can slide relative to the third rod piece 7, a first threaded pipe 8 is circumferentially arranged on the outer surface of the end, inserted into the first rod piece 5, of the second rod piece 6, and a second threaded pipe 9 is circumferentially arranged on the outer surface of the end, inserted into the second rod piece 6, of the third rod piece 7;
the first threaded pipe 8 is provided with first through holes 10 penetrating through the second rod piece 6 along the radial direction, the first rod piece 5 is provided with a plurality of second through holes 11 penetrating through the first rod piece 5 along the axial direction at intervals, the second rod piece 6 is provided with first threaded rods 14 capable of simultaneously penetrating through the first through holes 10 and any one of the second through holes 11, and one end of each first threaded rod 14 is provided with a first end cover 16; when the heights of the first rod 5 and the second rod 6 are adjusted, the first end cover 16 is only required to be rotated to pull out the first threaded rod 14, the position relation of the first through hole 10 and the second through hole 11 is adjusted, and the first threaded rod 14 is screwed in again after the position relation is determined.
A third through hole 12 penetrating through the third rod piece 7 is formed in the second threaded pipe 9 along the radial direction of the second threaded pipe, a plurality of fourth through holes 13 penetrating through the second rod piece 6 are formed in the second rod piece 6 along the axial direction of the second rod piece at intervals, a second threaded rod 15 capable of simultaneously penetrating through the third through hole 12 and any one fourth through hole 13 is arranged on the third rod piece 7, and a second end cover 17 is arranged at one end of the second threaded rod 15; when the heights of the second rod 6 and the third rod 7 are adjusted, the second end cover 17 is only required to be rotated to pull out the second threaded rod 15, the position relation of the third through hole 12 and the fourth through hole 13 is adjusted, and the second threaded rod 15 is screwed in again after the position relation is determined.
One end of a support connecting piece 1-5 is movably connected with a support 1-4, the other end of the support connecting piece is in threaded connection with a first threaded pipe 8, a light source placing table 1-6 is fixedly connected with a telescopic supporting rod 1-1 through a placing table connecting piece 1-9, one end of a head support connecting piece 1-8 is connected with a head support 1-7, and the other end of the head support connecting piece is in threaded connection with a second threaded pipe 9;
the first bronchofiberscope 3 is clamped with the clamping groove 1-3, and the second bronchofiberscope 4 is arranged on the support 1-4. The support connecting piece 1-5 and the head support connecting piece 1-8 can respectively perform spiral motion on the first threaded pipe 8 and the second threaded pipe 9, so that the support 1-4 and the head support 1-7 are driven to move up and down relative to the telescopic supporting rod 1-1.
Specifically, the second bronchofiberscope 4 is a bronchofiberscope with a display screen 4-1.
Specifically, a support 1-4 and a support connecting piece 1-5 are connected through a support rotating piece 18, and the support rotating piece 18 comprises a ball head 18-1, a locking nut 18-2 and a locking seat 18-3; one end of the ball head 18-1 is connected with the support connecting piece 1-5, and the locking seat 18-3 is fixed on the back of the support 1-4; the locking seat 18-3 is provided with a first locking cavity matched with the ball head 18-1; the locking nut 18-2 is provided with a second locking cavity which is matched with the ball head 18-1; the periphery of the locking seat 18-3 is provided with an external thread, the inner wall of one end of the locking nut 18-2 is provided with an internal thread matched with the external thread, and the opening of the other end of the locking nut is smaller than the diameter of the ball head 18-1; the ball head 18-1 is arranged in the first locking cavity and the second locking cavity, and the locking nut 18-2 is rotated to limit the moving range of the ball head 18-1 in the first locking cavity and the second locking cavity; one end of the locking nut 18-2 is sleeved outside the ball head 18-1, then the internal thread of the locking nut 18-2 is screwed on the external thread of the locking seat 18-3, and the distance between the first locking cavity and the second locking cavity inside the locking nut 18-2 and the locking seat 18-3 is shortened by rotating the locking nut 18-2, so that the ball head 18-1 is locked.
Specifically, the device also comprises a limiting disc 19 which is arranged on two sides of the support seat 1-4 in an inserted mode, one end of the limiting disc 19 is provided with a pressable bulge 19-1, and the support seat 1-4 is provided with a groove 1-4-1 matched with the bulge 19-1.
Specifically, the limiting disc 19 is uniformly provided with a plurality of limiting grooves 19-2 along the circumferential direction. The second bronchofiberscope is provided with a lens adjusting button capable of adjusting the direction of the lens, after the position of the lens adjusting button is adjusted, the side edge of the lens adjusting button is clamped through the limiting groove 19-2, and the protrusion 19-1 is inserted into the corresponding groove 1-4-1, so that the position of the lens adjusting button is completed.
Specifically, a plurality of universal brake casters 20 are mounted at the bottom of the chassis 1-2.
Specifically, the first and second end caps 16 and 17 are shaped in a flower pattern. The flower-shaped end cover is convenient for twisting the corresponding threaded rod.
Specifically, the first bronchofiberscope 3 and the external light source 2 are connected through a light source connecting wire.
Specifically, the multifunctional trachea cannula comprises a first bronchofiberscope fixing rod 21 arranged on a telescopic supporting rod 1-1, and after a first bronchofiberscope 3, namely a sniping mirror, enters a trachea, a doctor operates to insert a tracheal catheter along the first bronchofiberscope 3 with two hands, and then fixes the position of the first bronchofiberscope 3 by using the first bronchofiberscope fixing rod 21.
The head support 1-7 is made of silica gel, and the silica gel can protect the head of a patient.
The operation method of the double-fiber bronchoscope device for single person operation adopts the double-fiber bronchoscope device for single person operation, which comprises the following steps:
s1: the height of the telescopic supporting rod 1-1 is adjusted: adjusting the relative positions of the first rod piece 5, the second rod piece 6 and the third rod piece 7 according to the use environment, and after the positions are determined, respectively rotating the first end cover 16 and the second end cover 17 to limit by using the first threaded rod 14 and the second threaded rod 15;
s2: adjusting the positions of the head supports from 1 to 7: the head support 1-7 is adopted to fix the head position of the patient, so that the head position is kept in a static state;
s3: adjusting the position of the second bronchofiberscope 4: the orientation of the display screen 4-1 can be adjusted by rotating the position of the support 1-4 relative to the support connecting piece 1-5, and the height of the display screen 4-1 is adjusted by rotating the height of the support connecting piece 1-5 on the first threaded pipe 8;
s4: use of the second bronchofiberscope 4: placing the second bronchofiberscope 4 into the prepared nasal passage, wherein the second bronchofiberscope 4 is used as an observation mirror for displaying the position relation between the glottis and the tumor, observing through a display screen 4-1 arranged on the support 1-4, adjusting a lens adjusting button of the second bronchofiberscope 4 through a limiting disc 19 on the support 1-4, and fixing the position of the lens adjusting button through the limiting disc 19 after selecting a proper angle;
s5: use of the first bronchofiberscope 3: the other hand takes off the first bronchofiberscope 3 from the clamping groove 1-3, the first bronchofiberscope 3 is placed into the glottis, and the tracheal catheter sleeved on the first bronchofiberscope 3 is guided, so that the position relation between the tracheal catheter entering the airway and the tumor is evaluated, and the picture can be observed in real time in the display screen;
s6: fixation of the first bronchofiberscope 3: in the process of intubation, the position of the first bronchofiberscope 3 is fixed by the first bronchofiberscope fixing rod 21;
s7: after use, the first bronchofiberscope 3 and the second bronchofiberscope 4 are placed back on the stent 1, and the stent 1 is pushed aside to be placed.
In summary, the second bronchofiberscope 4 is used for entering from the nostril, the nasal passage passes through the retronasal hole, the bronchofiberscope is used as an observation mirror (similar to an observer in a sniping group) at a position slightly far away from the glottis, the glottis and structures around the glottis (such as epiglottis, tumor around the glottis and the like) are displayed on the display screen of the bronchofiberscope, and when the first bronchofiberscope 3 (similar to a sniper in the sniping group) enters the glottis and guides the tracheal catheter sleeved on the glottis to pass through the glottis, images can be displayed on the display screen of the observation mirror.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, but only by the scope of the appended claims.
Claims (9)
1. A double-fiber mirror device for single person operation is characterized in that: comprises a bracket, an external light source, a first bronchofiberscope and a second bronchofiberscope;
the support comprises a telescopic supporting rod, a chassis, a clamping groove, a support connecting piece, a light source placing table, a head support and a head support connecting piece, wherein the top of the telescopic supporting rod is connected with the clamping groove, the bottom of the telescopic supporting rod is connected with the chassis, the support, the light source placing table and the head support are respectively arranged on the telescopic supporting rod through the support connecting piece, the placing table connecting piece and the head support connecting piece, and an external light source is placed on the light source placing table;
the telescopic supporting rod comprises a first rod piece, a second rod piece and a third rod piece, one end of the first rod piece is inserted into one end of the second rod piece, the first rod piece can slide relative to the second rod piece, one end, far away from the first rod piece, of the second rod piece is inserted into one end of the third rod piece, the second rod piece can slide relative to the third rod piece, a first threaded pipe is arranged on the second rod piece in the circumferential direction of the outer surface of the end, inserted into the first rod piece, of the second rod piece, and a second threaded pipe is arranged on the third rod piece in the circumferential direction of the outer surface of the end, inserted into the second rod piece, of the third rod piece;
the first threaded pipe is provided with first through holes penetrating through the second rod piece along the radial direction of the first threaded pipe, the first rod piece is provided with a plurality of second through holes penetrating through the first rod piece at intervals along the axial direction of the first rod piece, the second rod piece is provided with a first threaded rod capable of simultaneously penetrating through the first through holes and any one of the second through holes, and one end of the first threaded rod is provided with a first end cover;
a third through hole penetrating through the third rod piece is formed in the second threaded pipe along the radial direction of the second threaded pipe, a plurality of fourth through holes penetrating through the second rod piece are formed in the second rod piece at intervals along the axial direction of the second rod piece, a second threaded rod capable of simultaneously penetrating through the third through hole and any one fourth through hole is arranged on the third rod piece, and a second end cover is arranged at one end of the second threaded rod;
one end of the support connecting piece is movably connected with the support, the other end of the support connecting piece is in threaded connection with the first threaded pipe, the light source placing table is fixedly connected with the telescopic supporting rod through the placing table connecting piece, one end of the head support connecting piece is connected with the head support, and the other end of the head support connecting piece is in threaded connection with the second threaded pipe;
the first bronchofiberscope is clamped with the clamping groove, and the second bronchofiberscope is arranged on the support;
the method comprises the following steps:
s1: the height of the telescopic supporting rod is adjusted: adjusting the relative positions of the first rod piece, the second rod piece and the third rod piece according to the use environment, and after the positions are determined, respectively rotating the first end cover and the second end cover to limit by using a first threaded rod and a second threaded rod;
s2: adjusting the position of the head support: fixing the head position of a patient by adopting a head support to keep the head position in a static state;
s3: adjusting the position of the second bronchofiberscope: the orientation of the display screen can be adjusted by rotating the position of the support relative to the support connecting piece, and the height of the display screen is adjusted by rotating the height of the support connecting piece on the first threaded pipe;
s4: use of the second bronchofiberscope: placing a second bronchofiberscope into the prepared nasal meatus, using the second bronchofiberscope as an observation mirror to display the position relation between the glottis and the tumor, observing through a display screen arranged on a support, simultaneously adjusting a lens adjusting button of the second bronchofiberscope through a limiting disc on the support, and fixing the position of the lens adjusting button through the limiting disc after selecting a proper angle;
s5: use of the first bronchofiberscope: the other hand takes off the first bronchofiberscope from the clamping groove, the first bronchofiberscope is placed into the glottis, and meanwhile, the tracheal catheter sleeved on the first bronchofiberscope is guided, so that the position relation between the tracheal catheter entering the airway and the tumor is evaluated, and the picture can be observed in real time in the display screen;
s6: fixing the first bronchofiberscope: in the process of intubation, fixing the position of the first bronchofiberscope by using a first bronchofiberscope fixing rod piece;
s7: after use, the first bronchofiberscope and the second bronchofiberscope are placed back on the stent and the stent is pushed aside for placement.
2. A dual-fiber bronchoscope device for single person operation according to claim 1, wherein: the second bronchofiberscope is a bronchofiberscope with a display screen.
3. A dual-fiber bronchoscope device for single person operation according to claim 2, wherein: the support and the support connecting piece are connected through a support rotating piece, and the support rotating piece comprises a ball head, a locking nut and a locking seat; one end of the ball head is connected with the support connecting piece, and the locking seat is fixed on the back of the support; the locking seat is provided with a first locking cavity matched with the ball head; the locking nut is provided with a second locking cavity matched with the ball head; the periphery of the locking seat is provided with an external thread, the inner wall of one end of the locking nut is provided with an internal thread matched with the external thread, and the opening of the other end of the locking nut is smaller than the diameter of the ball head; the ball head is arranged in the first locking cavity and the second locking cavity, and the locking nut is rotated to limit the moving range of the ball head in the first locking cavity and the second locking cavity.
4. A dual fiber mirror device for single person operation according to claim 3, wherein: the device also comprises a limiting disc inserted on two sides of the support, wherein one end of the limiting disc is provided with a protrusion capable of being pressed, and the support is provided with a groove matched with the protrusion.
5. A dual-fiber bronchoscope device for single person operation according to claim 4, wherein: the limiting disc is evenly provided with a plurality of limiting grooves along the circumferential direction.
6. A dual fiber mirror device for single person operation according to claim 1, wherein: and a plurality of universal brake trundles are arranged at the bottom of the chassis.
7. A dual-fiber bronchoscope device for single person operation according to claim 1, wherein: the first end cover and the second end cover are in a flower shape.
8. A dual-fiber bronchoscope device for single person operation according to claim 1, wherein: the first bronchofiberscope is connected with the external light source through a light source connecting line.
9. A dual fiber mirror device for single person operation according to claim 1, wherein: the telescopic type bronchofiberscope fixing device further comprises a first bronchofiberscope fixing rod piece arranged on the telescopic type supporting rod.
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