CN112790728B - Device suitable for hard bronchoscope implantation and breathing management - Google Patents
Device suitable for hard bronchoscope implantation and breathing management Download PDFInfo
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- CN112790728B CN112790728B CN202110175034.4A CN202110175034A CN112790728B CN 112790728 B CN112790728 B CN 112790728B CN 202110175034 A CN202110175034 A CN 202110175034A CN 112790728 B CN112790728 B CN 112790728B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/267—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the respiratory tract, e.g. laryngoscopes, bronchoscopes
- A61B1/2676—Bronchoscopes
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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
- A61B1/00071—Insertion part of the endoscope body
- A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
- A61B1/00082—Balloons
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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
- A61B1/00137—End pieces at either end of the endoscope, e.g. caps, seals or forceps plugs
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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
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Abstract
The invention relates to the technical field of medical instruments, in particular to a device suitable for hard bronchoscope implantation and breathing management, which comprises a base body, a tube body fixedly connected with the base body, a guide rod and a sealing head, wherein the tube body is provided with a plurality of through holes; the body of the guide rod has a radian suitable for the physiological structures of the oral cavity and the throat; one side of the seat body extends upwards to form a hard branch tube, and an upper hard branch tube cavity of the hard branch tube is suitable for the rod body to enter the tube body after being placed so as to deform the straight tube body into a radian suitable for the physiological structure of the oral cavity and the throat; the hard branch endoscope tube is suitable for being sleeved with a sealing head, and hard branch endoscopes of different types are suitable for being placed into an upper hard branch tube cavity of the hard branch endoscope tube through the sealing head and then enter the tube body; the pipe body comprises an upper section and a lower section which are connected, the section of the upper section is in an oblong shape, and the lower section is thickened from the joint of the lower section and the upper section gradually downwards to the free end to form an expansion part; most of the lower section including the free end is chamfered to form a chamfer and the end of the free end is smoothly narrowed like a snake head. The invention is convenient for anaesthetists to safely and effectively carry out breathing management.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a device suitable for hard bronchoscope implantation and breathing management.
Technical Field
At present, hard bronchoscopes and hard bronchoscopes are used for microscopic examination and operation, the hard bronchoscopes or the hard bronchoscopes enter the trachea and the bronchus through the incisors, the oropharynx and the glottis, sometimes the hard bronchoscopes or the hard bronchoscopes are difficult to place, and more times, the hard bronchoscopes or the hard bronchoscopes can damage the teeth, the gum, the tongue root and the soft tissues of the pharynx. Hard bronchoscopy and procedures require deep anesthesia and the application of muscle relaxants to mechanically control ventilation of the patient. At this time, a serious air leakage occurs in the gap between the hard bronchoscope and the trachea, and finally, the ventilation of the patient is insufficient.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a device suitable for hard bronchoscope imbedding and breathing management, which comprises a seat body and a tube body fixedly connected with the seat body, and is characterized by further comprising a guide rod and a sealing head; the body of the guide rod has a radian suitable for the physiological structures of the oral cavity and the throat; one side of the seat body extends upwards to form a hard branch tube, and an upper hard branch tube cavity of the hard branch tube is suitable for the rod body to enter the tube body after being placed so as to change the tube body in a straight tube shape into a radian suitable for physiological structures of the oral cavity and the throat; the hard branch endoscope tube is suitable for being sleeved with the sealing head, and hard branch endoscopes of different types are suitable for entering the tube body after being placed into an upper hard branch tube cavity of the hard branch endoscope tube through the sealing head; the pipe body comprises an upper section and a lower section which are connected, the section of the upper section is in an oblong shape, and the lower section is gradually thickened downwards and towards the free end from the joint of the lower section and the upper section to form an expansion part; most of the lower section including the free end is chamfered to form a chamfer, and the end part of the free end is smoothly narrowed like a snake head.
Furthermore, the cross section of the seat body is oblong, the seat body at the opposite side of the hard support lens tube extends upwards to form a second tube, the seat body between the second tube and the hard support lens tube extends upwards to form an inflation tube, and the lower ends of an upper hard support tube cavity of the hard support lens tube, an upper tube cavity of the second tube and an upper inflation tube cavity of the inflation tube are respectively opened on three first step surfaces at the lower end of the seat body; the upper tube cavity is suitable for the placement of stomach tubes or sputum suction tubes of different types; the tube body is provided with a caulking groove for coating part of the seat body, and the caulking groove is provided with a second step surface corresponding to the three first step surfaces; most of the lower section including the free end is chamfered to form a chamfer plane, and the end part of the free end is smoothly narrowed like a snake head; a lower hard branch tube cavity, a lower tube cavity and a lower inflation tube cavity with the same tube diameters as the upper hard branch tube cavity, the upper tube cavity and the upper inflation tube cavity are formed in the tube body from the three second step surfaces, the lower end of the upper hard branch tube cavity is connected with the upper end of the lower hard branch tube cavity, and the lower end of the lower hard branch tube cavity is gradually transited to the middle of the lower section and is opened on the inclined cutting surface; the upper end of the lower tube cavity is connected with the upper tube cavity, and the lower end of the lower tube cavity is gradually transited to the position below the lower hard branch tube cavity; the upper end of the lower inflation tube cavity is connected with the upper inflation tube cavity, and the lower end of the lower inflation tube cavity is opened on the outer side surface of the lower section; the lower segment is externally sleeved with a special-shaped outer bag, the special-shaped outer bag comprises an expansion part, the upper part of the expansion part is expanded and then is suitable for enabling the tongue root to move forwards and the root of an epiglottis to be lifted, the expansion part is inflated and then is suitable for sealing the entrance of the pharynx and the esophagus and enabling the free end of the lower segment to lift and tilt towards the back of the auditory meatus, the front end of the lower segment is coated and exposed out of the front part of the orifice of the two cavities of the lower tube, two side parts of the expansion part are connected with the front part and the back part and are exposed out of the orifice of the lower hard branch tube cavity, the expansion part is suitable for sealing the lateral wall of the pharynx, and an inflation/exhaust port is arranged on the inner side wall of the special-shaped outer bag and connected with the lower inflation tube cavity.
Further, the sealing head comprises a third tube which is suitable for being sleeved on the hard support mirror tube in an interference fit mode, or two sections of convex ribs which are centrosymmetric are arranged on the inner wall of the third tube, two rotary embedded grooves corresponding to the two convex ribs are formed in the position close to the upper end of the hard support mirror tube, and the convex ribs are inserted into the embedded grooves and then rotate to enable the hard support mirror tube to be locked with the third tube; casing under the connection of three upper ends of pipe, the first clamping ring of casing upper end rigid coupling down, first clamping ring with the silica gel sealing bowl of impressing down between the casing, the diapire of sealing bowl has the wave form fold of a plurality of equipartitions, and linear opening is seted up to the bottom of every wave form fold, linear opening is closed under natural state, and when the hard mirror of different models inserted, linear opening was strutted and tightly coats the pipe wall of the hard mirror of different models.
Furthermore, the upper ends of the second pipes are respectively communicated with the tower-type joint and the pressure release valve.
Further, the inflation tube is connected with an inflation valve.
Furthermore, the upper end of the base body extends towards two sides to form wing-shaped blocking pieces so as to prevent the hard bronchoscope channel tube from falling into the inlet.
Furthermore, the upper end of the rod body is fixedly connected with a rod head, the rod head extends downwards to form an annular pipe for coating the hard support lens pipe, two opposite embedded blocks extend downwards between the annular pipe and the rod body, two embedded grooves corresponding to the two embedded blocks are formed in the upper end of the hard support lens pipe, and the embedded blocks can be inserted into the embedded grooves for positioning.
Furthermore, the lower end of the lower inflation tube cavity is opened at the free end of the tube body and is plugged by a plug, the inflation transverse tube cavity is orthogonal to the inflation tube cavity, one end of the inflation transverse tube cavity is communicated with the lower inflation tube cavity, and the other end of the inflation transverse tube cavity is opened at the outer wall of the lower section, which corresponds to the inflation/exhaust port.
Furthermore, the inner wall of the lower hard branch tube cavity is subjected to ultra-smooth treatment, and the tube orifice at the lower end of the lower hard branch tube cavity is tilted upwards.
The sealing assembly comprises an upper clamping ring and a lower clamping ring which are fixedly connected with each other, a silica gel funnel and a plurality of elastic sheets are pressed in between the upper clamping ring and the lower clamping ring, a round opening is formed in the lower end of the silica gel funnel, the plurality of elastic sheets are sequentially stacked and abut against the silica gel funnel, the round opening is opened when hard branch lenses of different models are inserted, the pipe walls of the hard branch lenses of different models are tightly coated, and the coating force of the silica gel funnel is improved when the hard branch lenses of different models are inserted and pulled out from top to bottom by the plurality of elastic sheets; go up casing lower extreme downwardly extending and form two relative trips, set up on the second clamping ring and dodge the groove of dodging of trip, set up on the first clamping ring with trip complex stuck hole, set up down on the casing and dodge the blind hole of dodging of trip.
Compared with the prior art, the invention can easily and smoothly insert the hard branch endoscope, can quickly and conveniently replace the hard branch endoscope with different types, is convenient for an operator to operate, protects the teeth, the tongue root and the pharyngeal portion of a patient and reduces the damage. Can implement the control under the degree of depth anesthesia and the applied muscle pine medicine and breathe, be convenient for in time convenient clear inhale pharyngeal secretion, the safe effectual management of breathing of the anaesthetist of being convenient for avoids the intragastric flatulence that control breathing leads to. If necessary, the endotracheal intubation can be smoothly completed through the device. The device has the advantages of simple structure and convenient use, and can seal the air passage simply and quickly without air leakage and damage to the mucosa of a patient when the hard bronchoscope and/or the hard bronchoscope is used for examination and treatment clinically.
Drawings
Fig. 1 is a schematic structural view of the seat body of the present invention.
Fig. 2 is a schematic view of the structure of fig. 1 from another view angle.
Fig. 3 is a schematic structural view of the tube of the present invention.
Fig. 4 is a plan view (enlarged) of fig. 1.
Fig. 5 is a view from direction a of fig. 3.
Fig. 6 is a cross-sectional view of fig. 5.
Fig. 7 is a schematic view of the structure of the guide rod of the present invention.
Fig. 8 is a bottom view of fig. 7.
Fig. 9 is a schematic structural view of the shaped outer bladder of the present invention.
Fig. 10 is a schematic structural view of another view of the special-shaped outer bag of the invention.
Fig. 11 is a schematic view of the structure of the sealing head of the present invention.
Fig. 12 is a sectional view of fig. 11.
Fig. 13 is an exploded view of fig. 11.
Fig. 14 is an exploded view from another perspective of fig. 11.
Fig. 15 is a schematic view of the deformed tube after the insertion of the guide rod.
FIG. 16 is a schematic view of the present invention after being inserted into the laryngo pharynx of a human body and a sealing head attached thereto.
Figures 17-22 are schematic views of the cross-sectional depth of figure 16 taken progressively increasing from view B.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
Hard bronchoscope access tubes are configured in a number of models from pediatric to adult: no. 1-n, no. 1 corresponds to the placement hard support lens tube 11 of the specification of the child, and the mouth of the tube can be sleeved with a standard connector of a breathing circuit; no. 2 to n correspond to the specification of an adult, and the hard branch endoscope tube 11 can be inserted into a standard joint of a breathing circuit and is connected with an anesthesia machine for auxiliary ventilation by a breathing balloon or through the breathing circuit. The two apertures of the hard branch mirror can be ensured to smoothly enter and exit and operate.
After the anesthesia induction is completed, the rod body 61 is inserted into the straight tube from the hard bronchoscope tube 11, the tube body 2 is deformed into a radian suitable for the physiological structures of the oral cavity and the throat, the radian is placed into the straight tube from the oral cavity of a patient like placing an oropharynx airway or a laryngeal mask, after the radian is in place, the guide rod 6 is pulled out, the sealing head 3 is sleeved on the hard bronchoscope tube 11, the tracheal soft lens is placed into the tube II 13 until the opening is close to the far end of the lower hard bronchoscope cavity 211, the tracheal soft lens is used for observing and guiding, the special-shaped outer bag 4 is inflated through the inflation tube 14, and after the back 42 of the special-shaped outer bag is inflated, the far end of the hard bronchoscope channel tube is lifted and tilted, so that the mouth of the placed hard bronchoscope is aligned with the glottis. Two side parts 43 of the special-shaped outer bag expand and seal the pharyngeal side wall. The swelling part 41 of the abnormal-shaped external bladder expands, and the root of the epiglottis with the tongue root moved forward is lifted, so that the glottis is fully exposed. The soft bronchoscope is withdrawn, and the hard bronchoscope can be placed into the trachea through the sealing head 3 for examination and operation.
Example 2, the other examples are the same as example 1 except that: sealing head 3 cup joints including being suitable for through interference fit the last three 31 of pipe of hard mirror tube 11, casing 32 is connected down to pipe three 31 upper ends, the first clamping ring 33 of casing 32 upper end rigid coupling down, first clamping ring 33 with silica gel sealing bowl 34 of impressing down between the casing 32, the diapire of sealing bowl has the wave form fold of 4 equipartitions, and linear opening is seted up to the bottom of every wave form fold, and the overall formation cross opening, linear opening is closed under natural state, and when the hard mirror of different models was inserted, linear opening was strutted and tightly coats the pipe wall of the hard mirror of different models. Therefore, the defect of insufficient ventilation of the patient caused by air leakage of the gap between the hard bronchoscope and the trachea can be avoided.
Example 3, the other examples are the same as example 2 except that: two sections of convex edges 38 which are centrosymmetric are arranged on the inner wall of the third tube 31, two rotary embedded grooves 112 corresponding to the two convex edges 38 are formed near the upper end of the hard support mirror tube 11, and the convex edges 38 are inserted into the embedded grooves 112 and then rotate to lock the hard support mirror tube 11 and the third tube 31; the sealing structure is characterized by further comprising an upper shell 35, a second pressing ring 36 is fixedly connected to the lower end of the upper shell 35, a sealing assembly 37 is pressed between the second pressing ring 36 and the upper shell 35, the sealing assembly 37 comprises an upper clamping ring 371 and a lower clamping ring 372 which are fixedly connected with each other, a silica gel funnel 373 and a plurality of elastic sheets 374 are pressed between the upper clamping ring 371 and the lower clamping ring 372, a circular opening is formed in the lower end of the silica gel funnel 373, the plurality of elastic sheets 374 are sequentially stacked to abut against the silica gel funnel 373, the circular opening is opened when hard branch mirrors of different models are inserted and tightly coats tube walls of the hard branch mirrors of different models, and the plurality of elastic sheets 374 improve the coating force of the silica gel funnel when the hard branch mirrors of different models are inserted and pulled out from top to bottom; go up casing 35 lower extreme downwardly extending and form two relative trip 351, set up on the second clamping ring 36 and dodge trip 351 dodge groove 361, set up on the first clamping ring 33 with trip 351 complex stuck hole 331, set up on the casing down and dodge trip 351 dodge blind hole 321. This further improves the air-lock effect.
The foregoing is illustrative of the preferred embodiments of the present invention, and is not to be construed as limiting the invention in any way; those skilled in the art can make many possible variations or modifications to the disclosed solution or equivalent embodiments using the methods and techniques disclosed above without departing from the scope of the solution or equivalent embodiments. Therefore, any simple modification, equivalent replacement, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention.
Claims (8)
1. A device suitable for hard endoscope placement and breathing management comprises a base body (1) and a tube body (2) fixedly connected with the base body (1), and is characterized by further comprising a guide rod (6) and a sealing head (3); the body (61) of the guide rod (6) has a radian suitable for the physiological structures of the oral cavity and the throat; one side of the seat body (1) extends upwards to form a hard branch endoscope tube (11), and an upper hard branch tube cavity (111) of the hard branch endoscope tube (11) is suitable for the rod body (61) to enter the tube body (2) after being placed so as to deform the tube body (2) in a straight tube shape into a radian suitable for physiological structures of the oral cavity and the throat; the hard branch endoscope tube (11) is suitable for being sleeved with the sealing head (3), and hard branch endoscopes of different types are suitable for being placed into an upper hard branch tube cavity (111) of the hard branch endoscope tube (11) through the sealing head (3) and then enter the tube body (2); the pipe body (2) comprises an upper section (21) and a lower section (22) which are connected, the cross section of the upper section (21) is in an oblong shape, and the lower section (22) is gradually thickened downwards and towards the free end from the joint of the lower section and the upper section (21) to form an expansion part (25); the lower section (22) comprises a chamfer surface (24) formed by chamfering most of the free end, and the end part of the free end is smooth and narrow like a snake head;
the cross section of the seat body (1) is oblong, the seat body (1) at the opposite side of the hard support lens tube (11) extends upwards to form a second tube (13), the seat body (1) between the second tube (13) and the hard support lens tube (11) extends upwards to form an inflation tube (14), and the lower ends of an upper hard support tube cavity (111) of the hard support lens tube (11), an upper tube cavity (131) of the second tube (13) and an upper inflation tube cavity (141) of the inflation tube (14) are respectively opened on three first step surfaces at the lower end of the seat body (1); the upper tube cavity (131) is suitable for the placement of stomach tubes or sputum suction tubes of different types; the tube body (2) is provided with a caulking groove (210) for coating part of the seat body (1), and the caulking groove (210) is provided with a second step surface corresponding to the three first step surfaces; a lower hard branch pipe cavity (211), a lower pipe cavity (231) and a lower inflation pipe cavity (241) with the pipe diameters being consistent with those of the upper hard branch pipe cavity (111), the upper pipe cavity (131) and the upper inflation pipe cavity (141) are formed in the pipe body (2) from the three second step surfaces, the lower end of the upper hard branch pipe cavity (111) is connected with the upper end of the lower hard branch pipe cavity (211), and the lower end of the lower hard branch pipe cavity (211) is gradually transited to the middle of the lower section (22) and is opened on the inclined plane (24); the upper end of the lower pipe cavity (231) is connected with the upper pipe cavity (131), and the lower end of the lower pipe cavity (231) gradually transits to the position below the lower hard branch pipe cavity (211); the upper end of the lower inflation tube cavity (241) is connected with the upper inflation tube cavity (141), and the lower end of the lower inflation tube cavity is opened on the outer side surface of the lower section (22); the special-shaped outer bag (4) is sleeved outside the lower section (22), the special-shaped outer bag (4) comprises an expanded part (41) which is expanded from the upper part and is suitable for enabling the root of the tongue to move forwards and the root of the epiglottis to be lifted, the expanded part (25) of the wrapping part is suitable for sealing the entrance of the pharynx rear wall and the esophagus and lifting the free end of the lower section (22) towards the sound entrance after being inflated, a back part (42) which wraps the front end of the lower section (22) and exposes the front part (45) of the orifice of the lower tube cavity (231), two side parts (43) are connected with the expanded part (41), the front part (45) and the back part (42) and exposes the orifice of the lower hard tube cavity (211), and the special-shaped outer bag (4) is suitable for sealing the pharynx side wall after being expanded, an inflation/deflation port (44) is arranged on the inner side wall of the special-shaped outer bag (4), and the inflation/deflation port (44) is connected with the lower inflation tube cavity (241);
the upper end of the base body (1) extends towards two sides to form wing-shaped blocking pieces (15) so as to prevent the hard bronchoscope channel tube from falling into the mouth.
2. The device for hard bronchoscope imbedding and respiratory management according to claim 1, wherein the sealing head (3) comprises a tube III (31) which is suitable for being sleeved on the hard bronchoscope tube (11) through interference fit, or two sections of convex ribs (38) which are centrosymmetric are arranged on the inner wall of the tube III (31), two rotating embedded grooves (112) which correspond to the two convex ribs (38) are arranged near the upper end of the hard bronchoscope tube (11), and the convex ribs (38) are inserted into the embedded grooves (112) and then rotate to lock the hard bronchoscope tube (11) and the tube III (31); casing (32) under pipe three (31) upper end is connected, casing (32) upper end rigid coupling first clamping ring (33) down, first clamping ring (33) with silica gel seal bowl (34) impresses between casing (32) down, the diapire of seal bowl has the wave form fold of a plurality of equipartitions, and linear opening is seted up to the bottom of every wave form fold, linear opening is closed under natural state, when the hard mirror of different models inserts, linear opening is strutted and tightly coats the pipe wall of the hard mirror of different models.
3. A device for hard bronchoscope placement and respiratory management as claimed in claim 1 wherein the upper end of the second tube (13) is connected to tower joint (132) and relief valve (133).
4. A device suitable for hard bronchoscope placement and breathing management according to claim 1, wherein the inflation tube (14) is connected to an inflation valve (5).
5. The device for hard bronchoscope imbedding and breathing management according to claim 1, wherein a rod head (62) is fixed on the upper end of the rod body (61), the rod head (62) extends downwards to form a ring pipe (63) for wrapping the hard bronchoscope tube (11), two opposite embedded blocks (64) extend downwards between the ring pipe (63) and the rod body (61), two embedded grooves (112) corresponding to the two embedded blocks (64) are formed on the upper end of the hard bronchoscope tube (11), and the embedded blocks (64) can be inserted into the embedded grooves (112) for positioning.
6. A device suitable for hard bronchoscope deployment and respiratory management according to claim 1, wherein the lower end of the lower inflation lumen (241) is open at the free end of the tube (2) and is closed off by a plug (241-2), the inflation cross lumen (241-1) is orthogonal to the inflation lumen (241), one end is communicated with the lower inflation lumen (241), and the other end is open at the outer wall of the lower section (22) corresponding to the inflation/deflation port (44).
7. The device for hard bronchoscope implantation and respiratory management of claim 1, wherein the inner wall of the lower hard bronchoscope cavity (211) is ultra-smooth, and the lower end orifice is tilted upwards.
8. The device suitable for hard bronchoscope imbedding and breathing management according to claim 2, further comprising an upper housing (35), wherein a second pressing ring (36) is fixedly connected to the lower end of the upper housing (35), a sealing assembly (37) is pressed between the second pressing ring (36) and the upper housing (35), the sealing assembly (37) comprises an upper clamping ring (371) and a lower clamping ring (372) which are fixedly connected with each other, a silica gel funnel (373) and a plurality of elastic sheets (374) are pressed between the upper clamping ring (371) and the lower clamping ring (372), a circular opening is formed in the lower end of the silica gel funnel (373), the plurality of elastic sheets (374) are sequentially stacked and pressed against the silica gel funnel (373), the circular opening is expanded and wraps tube walls of hard bronchoscopes of different types when hard bronchoscopes of different types are inserted, and the wrapping force of the silica gel funnel is tightly increased when the hard bronchoscopes of different types are inserted and pulled out from top to bottom; go up casing (35) lower extreme downwardly extending and form two relative trip (351), set up on second clamping ring (36) and dodge groove (361) of trip (351), set up on first clamping ring (33) with trip (351) complex stuck hole (331), set up on the casing down and dodge blind hole (321) dodge of trip (351).
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| CN202110175034.4A CN112790728B (en) | 2021-02-09 | 2021-02-09 | Device suitable for hard bronchoscope implantation and breathing management |
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| CN202110175034.4A CN112790728B (en) | 2021-02-09 | 2021-02-09 | Device suitable for hard bronchoscope implantation and breathing management |
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| CN112790728B true CN112790728B (en) | 2022-11-29 |
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