CN212914135U

CN212914135U - Attaching device, sampling assembly, tracheal intubation assembly and laryngoscope assembly

Info

Publication number: CN212914135U
Application number: CN202020264688.5U
Authority: CN
Inventors: 肖亮; 陈佳
Original assignee: Shanghai Oriental Medical Innovation Research Institute
Current assignee: Shanghai Oriental Medical Innovation Research Institute
Priority date: 2020-03-05
Filing date: 2020-03-05
Publication date: 2021-04-09
Anticipated expiration: 2030-03-05

Abstract

The application provides an attached device, sampling subassembly, trachea cannula subassembly and laryngoscope subassembly, this attached device includes: a film, the lower surface of which can be attached to the surface of an object and form a seal with the surface of the object; the socket is arranged on the sticking film, an elastic sealing cover capable of opening and closing is arranged on the socket, the elastic sealing cover is opened when external extrusion force is applied to the elastic sealing cover, and the elastic sealing cover is tightly attached to an external plug-in unit inserted into the socket. The application provides an attached device, convenient operation, protecting effect are good, low in production cost, be convenient for accomodate and store, can effectively cover patient's oronasal, keep apart droplet, aerosol, avoid because of carrying out trachea cannula, cricothyroid membrane puncture to patient, the trachea opens, inhales phlegm etc. and has the invasive operation and take place droplet, aerosol pollution.

Description

Attaching device, sampling assembly, tracheal intubation assembly and laryngoscope assembly

Technical Field

The embodiment of the application relates to a medical instrument, in particular to an attaching device, a sampling assembly, a tracheal intubation assembly and a laryngoscope assembly.

Background

The transmission route of the strong infectious diseases such as SARS, Ebola hemorrhagic fever, new coronary pneumonia Virus (Corona Virus) and the like which are outbreaked all over the world is mainly through respiratory droplets and contact. For example, the new coronavirus is treated by supportive treatment, and the treatment course is high oxygen flow treatment or noninvasive ventilator; if a noninvasive ventilator is not used for two hours, the trachea is intubated. However, each step of tracheal intubation for critical patients has a precondition and a corresponding standard. The hardware is matched, the precondition for trachea intubation is that a laminar flow ward is needed, and the medical care ratio after intubation reaches 1: 2-3. The current situation is that under the condition that the number of patients is large, the number of multi-layer flow wards of a hospital is very limited, and more patients cannot be accommodated. If the hardware set is lacked, all doctors and nurses are very likely to be infected. In the sputum aspiration process, droplets are sprayed out when a patient is stimulated to cough. After the patient is intubated, the patient can continuously spray new coronavirus droplets for 24 hours, and the air in the whole room can be polluted.

The existing isolation and protection articles for patients exist, the anti-splashing isolation towel used in some intensive care units is spliced by soft transparent plastic and an operation towel, the periphery of the isolation and protection articles is pasted by an adhesive tape, the sputum suction process is realized by a bedside tracheal cannula, the splashing can be really avoided, the risk of exposure infection is reduced, the instrument in the operation process of the cannula cannot be avoided, the risk of aerosol infection is inevitable, the operation space and the visual field of an operator are greatly influenced, and the cooperation operation of a plurality of people is difficult.

Still some translucent isolation protection covers, as shown in fig. 1A, the whole cover is made of hard plastic or tubular material, and the diaphragm operating window is arranged around the patient, which occupies the upper half or the whole body, and occupies a large space, and is difficult to store and transport in mass production, and also has some problems of insufficient light transmission, low recycling rate, etc., and the diaphragm has poor sealing performance, and is still highly likely to transmit viruses.

CN201333146Y discloses a separate nursing cover, which has limited observation and nursing, and is difficult to change the original operation habit of the operator in order to perform the operation, and the usability is poor.

Patent No. CN209643938U discloses a splash-proof mask special for bronchoscopy, which comprises a mask, a fixed elastic band and a hair-care piece; the left end and the right end of the face mask are fixedly connected with fixed elastic bands, and the fixed elastic bands and the two sides of the face mask form a closed ring shape; the upper side of the face mask is fixedly connected with a hair-protecting piece, the center position of the face mask is fixedly provided with a nose-shaped opening which penetrates through the front and the back, and the front side of the nose-shaped opening is fixedly provided with a nose-shaped bulge. But the structure is complex, the operation is inconvenient, and the use of the fixed elastic band can cause indentation to patients.

Therefore, a patch convenient to operate is urgently needed, so that the virus of a patient is prevented from being transmitted to medical staff through respiratory droplets and aerosol, and the operation, nursing and other operations of the medical staff are not influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, a primary object of the present application is to provide an attaching device including:

a film, the lower surface of which can be attached to the surface of an object and form a seal with the surface of the object;

the socket is arranged on the sticking film, an elastic sealing cover capable of opening and closing is arranged on the socket, the elastic sealing cover is opened when external extrusion force is applied to the elastic sealing cover, and the elastic sealing cover is tightly attached to an external plug-in unit inserted into the socket.

Optionally, the surface of the object is a tissue surface of a human body, and the area of the lower surface at least covers the tissue surface around the oral cavity of the human body.

Optionally, the resilient sealing cover comprises one or more layers of sealing members.

Optionally, the elastic sealing cover is composed of a plurality of elastic valves arranged in sequence by taking a central point of the insertion opening as a center, and when the elastic sealing cover is subjected to external extrusion force, the elastic valves are opened and tightly attached to the outer wall of the inserted external plug-in unit.

Optionally, the insertion opening is provided with a sealing ring, the inner side of the sealing ring is connected with the elastic valve, and the outer side of the sealing ring is connected with the adhesive film.

Optionally, the applicator further comprises a pair of nasal prongs connected to the patch.

Optionally, the applicator further comprises a tooth holding unit connected to the patch.

Optionally, the tooth holding unit comprises:

an upper tooth support for supporting an upper tooth;

the lower tooth support is used for supporting lower teeth, the lower tooth support is connected with the upper tooth support to form a gap, and the gap corresponds to the socket.

It is another object of the present application to provide a sampling assembly for preventing droplet contamination of a patient's airway, characterized in that the sampling assembly comprises: the above attaching device; the hollow pipe penetrates through the insertion opening, and the elastic sealing cover is tightly attached to the hollow pipe; the sampler is used for extending into the hollow tube and then entering a sampling position of the body of a patient for sampling, and after sampling is finished, the sampler is drawn out from the hollow tube.

It is another object of the present application to provide an endotracheal tube assembly for preventing droplet contamination of a patient's airway, the endotracheal tube assembly comprising: inserting a tube; in the above attaching device, the insertion tube passes through the insertion opening, and the elastic sealing cover is tightly attached to the insertion tube.

Optionally, the cannula has: the far end of the tube body is provided with at least one saccule; the interface is respectively communicated with the pipe body and an external gas pipeline; wherein, this pad pasting is located between this sacculus and the near-end of this body, and this lower surface is towards this sacculus.

It is a further object of the present application to provide a laryngoscope assembly for preventing droplet contamination of a patient's airway, the laryngoscope assembly comprising: a laryngoscope body extending in a distal bending way for pressing the tongue of the patient to expose the airway of the patient; and the laryngoscope body passes through the socket, and the elastic sealing cover is tightly attached to the outer wall of the laryngoscope body.

Optionally, a groove is formed in the laryngoscope body for fixing an external plug-in.

It is a further object of the present application to provide an endotracheal tube assembly for preventing droplet contamination of a patient's airway, the endotracheal tube assembly comprising: a tube body having a lumen, an inner wall, and an outer wall; the first breather pipe is arranged at the near end of the pipe body and communicated with the pipe cavity; in the attaching device, the pipe body penetrates through the insertion opening, and the elastic sealing cover is tightly attached to the outer wall of the pipe body.

Optionally, the tube body is further provided with a positioning device for limiting the insertion depth of the tracheotomy device into the trachea.

Optionally, a balloon is arranged at the distal end of the tube body, the balloon circumferentially covers the outer wall, an air duct is arranged between the inner wall and the outer wall, and the air duct is communicated with the balloon; the trachea cannula assembly is also provided with a second vent pipe which is arranged at the near end of the tube body and communicated with the vent pipeline.

It is from top to bottom apparent, the attached device that this application provided, convenient operation, protecting effect are good, low in production cost, be convenient for accomodate and store, can effectively cover patient's oronasal, keep apart droplet, aerosol, avoid because of carrying out trachea cannula, cricothyroid membrane puncture to patient, the trachea is opened, is inhaled invasive operation such as phlegm and takes place droplet, aerosol infection.

Secondly, be equipped with at least one self sealss socket on the pad pasting, dynamic leakproofness can supply outside plug-in components, for example the intubate business turn over, when outside plug-in components inserted the socket, the elasticity sealed lid that sets up on the socket can closely laminate with outside plug-in components to prevent that patient's breathing droplet, aerosol from spreading to the outside.

Third, the patch may be combined with a variety of external inserts to form a pre-assembled device, such as a patch combined with an oral holding unit, a tracheal cannula, a laryngoscope, a tracheal puncture device or a scalpel, which can effectively prevent medical staff from being infected by respiratory droplets and aerosol diffusion of a patient during a corresponding operation when being used by a doctor.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the embodiments of the present application, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1A is a schematic view of a conventional attaching apparatus;

FIG. 1B is a top view of one embodiment of an attaching device of the present application;

FIG. 2 is a perspective view of an embodiment of an affixion device of the present application;

FIG. 3A is a perspective view of one embodiment of an external insert film;

FIG. 3B is a schematic diagram of one embodiment of a sampling assembly of the present application;

fig. 4 to 6 are schematic views of embodiments of the elastic sealing cover of the present application;

FIG. 7 is a schematic view of the back of the elastomeric seal cover of the present application shown in FIG. 6;

FIGS. 8-11 are schematic views of a seal ring of the present application and an outer insert inserted into the seal ring, respectively;

FIG. 12 is a schematic view of another embodiment of an attaching device of the present application;

FIG. 13 is a schematic view of a tooth holding unit of the affixion device of FIG. 12;

FIG. 14 is a schematic view of another embodiment of an affixion device of the present application;

FIG. 15 is a schematic view of a tooth holding unit of the affixion device of FIG. 14;

figures 16 and 17 are schematic views of an embodiment of an endotracheal tube assembly of the present application;

FIG. 18 is a schematic view of an embodiment of a three-way valve of an endotracheal tube assembly of the present application;

FIG. 19 is a schematic view of an embodiment of a sealing cap of an endotracheal tube assembly of the present application;

fig. 20 is a schematic view of an assembled state of an embodiment of a laryngoscope according to the application;

fig. 21 is an exploded schematic view of an embodiment of a laryngoscope according to the application;

fig. 22 is a side view of an embodiment of a laryngoscope according to the application.

FIG. 23 is a perspective view of an embodiment of an endotracheal tube assembly and an embodiment of a tracheotomy device of the present application;

FIG. 24 is a cross-sectional view of an embodiment of an endotracheal tube assembly of the present application;

FIG. 25 is an exploded schematic view of an embodiment of the positioning device of the present application;

FIG. 26 is a cross-sectional view of an embodiment of a tracheotomy device inserted into a tracheal tube assembly;

figure 27 is a perspective view of an embodiment of a tracheotomy device inserted into a tracheal tube assembly.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application shall fall within the scope of the protection of the embodiments in the present application.

In this context, the terms "upper" and "lower" and "inner" and "outer" refer to directions that are spatially opposite. Relational terms such as first and second, and the like may be used solely herein to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Numerical ordinals such as "first", "second", etc., merely indicate different instances of a plurality and do not imply any order or sequence unless specifically defined by the claim language. The numbers "a" and "an" are not limited to one, and may be two or more. The term "proximal" refers to the end closer to the operator, and "distal" refers to the end farther from the operator. The textual order of any of the claims does not imply that the process steps must be performed in a temporal or logical order according to such order, unless specifically defined by the language of the claim.

Referring to fig. 1B to fig. 3A, an embodiment of the present application provides an attaching device 100, as shown in the figure, the attaching device 100 mainly includes a film 101, a lower surface 101a of which can be attached to and form a seal with a surface of an object. The "object" may be human tissue, such as skin, gums, etc. However, the "object" is not limited to a human body, and may be an animal body, a plant body, or the like. In one embodiment of the present application, the surface of the object is a skin and gum surface of a human body, and the lower surface has an area at least covering the skin and gum surface around the oral cavity of the human body. The area of the lower surface can also cover the skin tissue surface of any part of human body such as nostril, throat, abdominal cavity, thorax, etc., and the mouth-nose corresponding position can be provided with shaping strips to adapt to different patient face shapes. The material of the patch 101 may be a flexible gel, preferably with a material that is virus-resistant and breathable. The material of the film 101 may be transparent material to facilitate the medical staff to operate the visual field clearly.

The attaching device 100 further includes a socket 102 formed on the film 101, and an elastic sealing cover 104 is provided on the socket 102 to be opened and closed, wherein the elastic sealing cover 104 is opened when an external pressing force is applied thereto, and the elastic sealing cover 104 is tightly attached to an external plug 105 inserted into the socket 102. The outer insert 105 may be any instrument, such as an intubation tube, a hollow tube, a laryngoscope, a penetrator, a scalpel, and the like. The shape of the socket 102 is not limited to a circular shape, but may be an oval shape, a square shape, an irregular shape, or the like, and the shape of the socket 102 may be designed according to the external card 105 to be inserted.

Referring to fig. 3B, in the embodiment of the applicator 100 used for sampling human tissue, the insertion opening 102 of the applicator 100 is inserted into a hollow tube 105, and during sampling, the operator inserts the smoke test paper for sampling into the hollow tube 105 to contact the sampling site of the patient, such as the oral cavity, the nasal cavity, etc. And after sampling is finished, drawing out the smoke test paper. The hollow tube 105 acts as a protective device for the smoke test paper and prevents samples on the smoke test paper, such as oral or nasal secretions, from hanging down on the socket 102.

Referring to fig. 4 to 7, in an embodiment of the present application, the elastic sealing cover 104 is composed of a plurality of elastic valves 104a sequentially arranged with a center point of the insertion opening 102 as a center, and when the elastic sealing cover 104 is pressed by an external force, the elastic valves 104a are opened and tightly attached to an outer wall of the inserted external insert 105. The elastic sealing cover 104 and the elastic valve 104a may be in any shape such as circular, square, irregular, etc. The elastic valve 104a can be arranged by splicing the edges of a plurality of elastic valves 104a together (see fig. 4 and 5), overlapping (see fig. 6 and 7), or other combinations.

In this embodiment, as shown in fig. 5, the flexible valve 104a is substantially composed of a plurality of fan-shaped valves 104a, each fan-shaped valve 104a is formed by a triangular valve 104c and an irregularly shaped valve 104b, each valve 104b is provided with a notch 109, and the angle of each notch 109 is consistent, so that all the notches 109 form an approximately circular arrangement, which makes the outer insert 105 more sealed against the flexible valve when the outer insert 105 is inserted into the receptacle 102. In addition, the elastic sealing cover 104 may include one or more layers of sealing members that overlap each other and may further enhance the sealing of the outer insert 105 to the elastic valve.

Referring to fig. 8 to 11, in an embodiment of the present application, the socket 102 is provided with a sealing ring 103, the inner side of the sealing ring 103 is connected to the elastic valve 104, and the outer side is connected to the adhesive film 101. The shape of the sealing ring 103 is designed in accordance with the shape of the elastic sealing cover 104. The sealing ring 103 may provide a cushion when the outer insert 105 is inserted into the socket 102, further preventing the patient from splashing of breath such as spray, aerosol, etc. As shown in fig. 8 and 9, in an embodiment of the present application, the socket 102 may be arranged coaxially with the sealing ring 103, i.e. the center point of the socket 102 coincides with the center point of the sealing ring 103. As shown in fig. 10 and 11, in an embodiment of the present application, the socket 102 may be arranged eccentrically to the sealing ring 103, i.e. the center point of the socket 102 is not coincident with the center point of the sealing ring 103. This off-center arrangement further facilitates insertion of the outer insert 105 into the socket 102 and also further facilitates prevention of spray spillage.

The applicator may also include a pair of prongs (not shown) that are connected to the film 101, such as by a connecting cord. During operation, the nasal plug can be plugged into the nostril of a patient to prevent the nasal plug from breathing out spray, aerosol and the like through the nostril.

In another embodiment of the present application, as shown in fig. 12 to 15, the applicator 100 further includes a tooth holding unit 106 connected to the film 101. In this embodiment, the tooth holding unit 106 includes: an upper tooth support 106a for supporting upper teeth; a lower tooth support 106b for supporting the lower teeth, the lower tooth support 106b being connected to the upper tooth support 106a and forming a gap 107, the gap 107 corresponding to the socket 102. When the flexible sealing cover 104 is opened when subjected to an external squeezing force, and the flexible sealing cover 104 is brought into close contact with the external insert 105 inserted into the socket, the external insert 105 penetrates the membrane 101 into the space 107 and thus into the airway of the patient. The upper dental support 106a has two end portions, and the lower dental support 106b has two end portions.

As shown in fig. 13, in an embodiment, the two end portions of the upper supporting member 106a and the lower supporting member 106b are connected to form an included angle smaller than 90 °, and a space sandwiched between the two end portions of the upper supporting member 106a and the lower supporting member 106b forms a gap 107. The upper and lower

dental supports

106a and 106b are fixedly or non-fixedly attached to the film 101, and the film 101 is positioned over the gap 107 to seal the patient's gums.

In another embodiment, as shown in fig. 15, the upper dental support 106a and the lower dental support 106b are connected at both ends to form an annular cylinder, and the inner space surrounded by the annular cylinder forms a gap 107. The upper dental support 106a may extend a length 106 a' relative to the lower dental support 106b for depressing the tongue to prevent a hypertrophic tongue from accumulating at the epiglottis and blocking ventilation.

In one embodiment, as shown in fig. 16, an endotracheal tube assembly 200 for preventing droplet contamination of a patient's airway is provided, which mainly comprises an intubation tube 201, a film 101, the intubation tube 201 passing through a socket 102 on the film 101, and an elastic sealing cover 104 tightly fitting the intubation tube 201. The cannula 201 may be of various styles, and may be single lumen, dual lumen, or other configurations.

Referring to fig. 17, in an embodiment of the present application, a cannula 201 includes: a tube body 202, the distal end of which is provided with a balloon 203; a port 204 in communication with the tubular body 202 and an external gas line, respectively; the film 101 is disposed between the balloon 203 and the proximal end of the tube 202, and the lower surface 101a faces the balloon 203. Also comprises an inflating part 205, the balloon 203 is connected with the inflating part 205, and the inflating part 205 is used for inflating the balloon 203. The outer wall of cannula 201 may be provided with a vent conduit in communication with balloon 203 and inflation 205. The number of the balloons 203 is not limited, and may be one or more.

Referring to fig. 17 and 18, in an embodiment of the present application, the connector 204 is provided with a three-way valve 206 for connecting the pipe 202 and an external gas pipeline. Three-way valve 206 has two passageways, one communicating with tube 202, into which tube 202 external plug 105 can be inserted, and one communicating with an external gas line. The outer insert 105 may be a light guide rod or other instrument suitable for insertion into the tube 202.

Referring to fig. 19, the proximal end of the tubular body 202 is provided with a sealing cover 207 that can be opened and closed, so that when the outer insert 105 is inserted into the tubular body 202, the sealing cover 207 is opened and tightly attached to the outer insert 105. The sealing cover 207 may be a resilient sealing cover 104.

In another embodiment, the film 101 may further have a second openable and closable socket 102, and the design of the socket 102 is as described above and will not be described herein; wherein when the external insert is inserted into the socket 102, the flexible valve 104 opens and fits snugly against the external insert, thereby allowing the external insert to enter the patient's airway. In this embodiment, the external insert 105 may be a sputum aspirator or other suitable instrument. The shape of the socket 102 is not limited to a circular shape, but may be an oval shape, a square shape, an irregular shape, or the like, and the shape of the socket 102 may be designed according to the external card 105 to be inserted. The design of the socket 102 is as described above and will not be described in detail here.

In one embodiment of the present application, the method of using the endotracheal intubation assembly 200 is to seal the mouth and/or nose with the film 101, insert the intubation tube 201, insert the light guide rod (external insert) into the intubation tube 201 through the sealing cap 207, pull out the light guide rod, and introduce the oxygen tube into the intubation tube 201 through the interface 204, thereby supplying oxygen to the airway of the patient. When the intubation tube 201 needs to be pulled out, the oxygen therapy tube is disconnected, the intubation tube 201 is pulled out to the oral cavity of the patient, the lower jaw of the patient is pressed down, the patient respiratory tract is blocked (the glottis is closed mainly due to tongue suffix, and spray is prevented), the sputum suction tube is inserted through the inserting opening 102 to perform sputum suction operation or the sputum suction tube (with the diameter of about 4 mm) is inserted from the insertable tube 201 to perform sputum suction operation. Finally, the cannula 201 and the film 101 are removed together.

The endotracheal tube assembly 200 may also include a pair of nasal prongs (not shown) that are connected to the patch 101, such as by a connecting wire. During operation, the nasal plug can be plugged into the nostril of a patient to prevent the nasal plug from breathing out spray, aerosol and the like through the nostril.

In another embodiment of the present application, as shown in fig. 16, the endotracheal tube assembly 200 may further include a tooth holding unit 106 connected to the patch 101. The design of the tooth holding unit 106 is as described above and will not be described in detail here.

In an embodiment of the present application, when inserting the cannula 201, the film 101 is pasted on the mouth and nose of the patient to close the mouth and nose, and meanwhile, the tooth holding unit 106 is used to fix the upper teeth and the lower teeth, and the external plug-in 105 is inserted into the gap 107 formed by the upper tooth support 106a and the lower tooth support 106b, so as to sequentially enter the mouth and airway of the patient, thereby performing the operation on the patient.

The trachea cannula assembly 200 can effectively cover the mouth and nose of a patient, isolate droplets and aerosol, and avoid droplet and aerosol infection caused by invasive operations such as trachea cannula, cricothyroid membrane puncture, tracheotomy, sputum suction and the like of the patient.

Secondly, the body near-end is equipped with the sealed lid that can open and shut, and it has dynamic leakproofness, can supply outside plug-in components such as leaded light stick, inhale the phlegm pipe and insert, and when outside plug-in components inserted sealed lid, sealed lid can closely laminate with outside plug-in components to prevent that patient's breathing droplet, aerosol from spreading to the outside.

Referring to fig. 20 and 21, an embodiment of the present application provides a laryngoscope 300 for preventing droplet contamination of a patient's airway, comprising: a laryngoscope body 301 extending in a distal curve for pressing the patient's tongue to expose the patient's airway; a film 101, the film 101 having: a fixed edge 302 which is tightly connected with the laryngoscope body 301 along the circumferential direction; a free edge 303 distal to the laryngoscope body 301; a socket 102 in the film 101 is used for inserting an external plug-in.

The outer insert 105 may be any instrument, such as an intubation tube, laryngoscope, puncture outfit, scalpel, and the like. The shape of the socket 102 is not limited to a circular shape, but may be an oval shape, a square shape, an irregular shape, or the like, and the shape of the socket 102 may be designed according to the external card 105 to be inserted.

The applicator may also include a pair of prongs (not shown) that are connected to the film 101, such as by a connecting cord. During operation, the nasal plug can be plugged into the nostril of a patient to prevent the nasal plug from breathing out of spray, aerosol and the like through the nostril, but the nostril can also be covered by the adhesive film 101.

Referring to fig. 21, in an embodiment of the present application, the laryngoscope body 301 further comprises: a laryngoscope blade 304 extending from the proximal end to the distal end; a display device 305; and a handle 306 having one end connected to the display device 305 and the other end detachably connected to the laryngoscope blade 304. The root of the laryngoscope blade 301 is connected with the fixed edge 302 in a sealing way. In an embodiment of the present application, a connecting member 309 capable of receiving the root of the laryngoscope blade 301 is disposed on the fixing edge 302, a sealing member 310 is disposed between the root of the laryngoscope blade 301 and the fixing edge 302, the root of the laryngoscope blade 301 can be moved to adjust the position in the connecting member 309, and finally is tightly fixed in the connecting member 309 through the sealing member 310. The laryngoscope blade 304, which extends from a proximal end to a distal end, may be used as an oral support device to hold the upper and lower teeth apart to prevent the patient from engaging the external insert.

Referring to fig. 22, in an embodiment of the present application, the laryngoscope blade 304 is provided with a groove 308 for securing the external insert 105 when the external insert 105 is inserted into the receptacle 102.

In an embodiment of the application, the laryngoscope 300 is used by assembling the laryngoscope lens 301, the handle 306 and the display device 305 before use, firstly attaching the film 101 to the oronasal part of the patient, inserting the tracheal cannula (external inserter) into the oral cavity of the patient through the socket 102, embedding the tracheal cannula in the groove 308 of the laryngoscope lens 304, inserting the laryngoscope lens 301 to the glottis, inserting the tracheal cannula into the airway of the patient, properly pulling out a part of the laryngoscope lens 301 to the outside of the oral cavity after insertion, and leaving a part of the laryngoscope lens 301 between teeth as an oral cavity supporting device to prevent the patient from biting the tracheal cannula, wherein at this time, the connection between the laryngoscope lens 301 and the handle 306 can be disconnected. After the operation is finished, a part of the tracheal cannula is pulled out, the lower jaw of the patient is pressed down, the airway of the patient is closed, and the laryngoscope lens 301 with the sticking film 101 is removed.

The laryngoscope 300 can effectively cover the mouth and nose of a patient, isolate droplets and aerosol, and avoid droplet and aerosol infection caused by tracheal intubation, sputum aspiration and other operations on the patient.

Referring to fig. 23 and 24, an embodiment of the present application provides an endotracheal tube assembly 500 comprising: a tube 501 having a lumen 502, an inner wall 503, and an outer wall 504; a first vent tube 505 provided at the proximal end of the tube body 501 and communicating with the lumen 502; pasting a film 101; the tube 501 penetrates through the socket 102, and the elastic sealing cover 104 is tightly attached to the outer wall 504 of the tube 501; the lower surface 101a of the film 101 faces the outer wall 504.

Referring to fig. 23, 26 and 27, the intubation assembly 500 also includes a tracheotomy device 509 for inserting the patient's trachea through the lumen 502 of the intubation assembly 500 to cut the patient's trachea. The distal end of the tracheotomy device 509 is provided with a cutting head 510 for cutting through the patient's neck trachea.

Optionally, at least one section of the pipe body 501 is a flexible body, which may be a flexible material or bellows 508, or other flexible design. The flexible body section may be disposed at the distal end of the tube 501. The flexible body is designed so that the tube 501 can conform to the shape of the airway when it is left in the patient's trachea after the tracheotomy device 509 is removed. After the tracheotomy device 509 opens the trachea of the patient, spray, blood, etc. in the trachea are ejected, and the first ventilation tube 505 can guide the ejected matter out of the trachea and has a pressure relief function. A filter element may be disposed in the first vent pipe 505 for filtering the passing gas.

Referring to fig. 23 to 27, the tube 501 is further provided with a positioning device 511 for limiting the insertion depth of the tracheotomy device 509 into the trachea. In one embodiment, the positioning device 511 comprises: an external thread 512 provided on the outer wall 504 of the pipe body 501; a fastener 513 having an inner wall 514, the inner wall 514 being provided with internal threads 515, the fastener 513 cooperating with the external threads 512 via the internal threads 515 to grip the tube 501 and thereby the tracheotomy device 509 inserted into the tube 501. The fastener 513 is removed from the outer wall 504 of the tubular body 501, such as by rotating the fastener 513 in a direction opposite to the fastening direction to disengage the tubular body 501.

In one embodiment, the proximal opening of the tube 501 is provided with a removable closure member 519 for closing off the lumen 502, such that when the tracheotomy device 509 is inserted into the lumen, the closure member 519 is squeezed by the tracheotomy device 509 and opens and the closure member 519 is in close contact with the outer wall of the tracheotomy device 509, such that the tracheotomy device 509 enters the lumen 502.

Referring to fig. 24, a balloon 516 is disposed at a distal end of the tube 501, the balloon 516 circumferentially covers the outer wall 504, a ventilation duct 517 is disposed between the inner wall 503 and the outer wall 504, and the ventilation duct 517 is communicated with the balloon 516; the endotracheal tube assembly also has a second vent 518 disposed at the proximal end of the body 501 and communicating with the vent conduit 517. After the tracheotomy device 509 is removed, the tube 501 is left in the patient's trachea, and the balloon is designed to more securely keep the tube 501 in the patient's trachea.

In an embodiment of the present application, the method of using the endotracheal intubation assembly 500 includes firstly attaching the film 101 to the trachea to be incised, aligning the tracheotomy device 509 with the trachea, forcibly inserting the tracheotomy device 509 into the airway, pulling out the tracheotomy device 509, inserting the tube 501 into the airway from the incision, inflating the balloon in the tube 501, and completing the insertion of the tube 501.

The endotracheal tube assembly 500 is designed to effectively cover the patient's throat, isolate the tracheal discharge, e.g., spray, blood, etc., and prevent spray, aerosol infection.

Secondly, after the tracheotomy device cuts the trachea of the patient, spray, blood and the like in the trachea can be sprayed out, and the first vent pipe can lead out the spray of the trachea and has the function of pressure relief. The first vent pipe may be provided therein with a filter element for filtering gas passing therethrough.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the embodiments of the present application, and are not limited thereto; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims

1. An attachment device, comprising:

2. The applicator of claim 1, wherein the surface of the object is a tissue surface of a human body, and the lower surface has an area at least covering the tissue surface surrounding the mouth of the human body.

3. The applicator of claim 1, wherein the resilient sealing cap comprises one or more layers of sealing members.

4. The applicator of claim 3, wherein the resilient sealing cap comprises a plurality of resilient valves arranged in series about a center point of the socket, the resilient valves opening and engaging the outer wall of the inserted outer insert when the resilient sealing cap is subjected to an external compression force.

5. The attachment device of claim 4 wherein said socket is provided with a sealing ring, the inner side of which is connected to the resilient valve and the outer side of which is connected to the adhesive membrane.

6. The applicator of claim 1, further comprising a pair of prongs coupled to the patch.

7. The applicator of claim 1, further comprising a tooth holding unit coupled to the patch.

8. The attachment device of claim 7, wherein the tooth holding unit comprises:

an upper tooth support for supporting an upper tooth;

9. A sampling assembly, comprising:

the applicator of any one of claims 1 to 8;

the hollow pipe penetrates through the insertion opening, and the elastic sealing cover is tightly attached to the hollow pipe;

the sampler is used for extending into the hollow tube and then entering a sampling position of the body of a patient for sampling, and after sampling is finished, the sampler is drawn out from the hollow tube.

10. An endotracheal tube assembly, comprising:

inserting a tube;

an attachment device according to any one of claims 1 to 8 in which the cannula passes through the socket and the flexible sealing cap is in close abutment with the cannula.

11. The endotracheal tube assembly according to claim 10, characterized in that the tube has:

the far end of the tube body is provided with at least one saccule;

the interface is respectively communicated with the pipe body and an external gas pipeline;

wherein, this pad pasting is located between this sacculus and the near-end of this body, and this lower surface is towards this sacculus.

12. A laryngoscope assembly, wherein the laryngoscope assembly comprises:

a laryngoscope body extending in a distal bending way for pressing the tongue of the patient to expose the airway of the patient; and

an attachment according to any one of claims 1 to 8, wherein the laryngoscope body passes through the socket and the flexible sealing cover is in close proximity to the outer wall of the laryngoscope body.

13. A laryngoscope assembly according to claim 12, wherein the laryngoscope body is provided with a recess for securing an external insert.

14. An endotracheal tube assembly, comprising:

a tube body having a lumen, an inner wall, and an outer wall;

the first breather pipe is arranged at the near end of the pipe body and communicated with the pipe cavity;

the attachment device of any one of claims 1 to 6 wherein the tube extends through the socket and the flexible sealing cap is in close contact with the outer wall of the tube.

15. The endotracheal tube assembly of claim 14, wherein the body further includes a positioning device for limiting the depth of insertion of the tracheotomy device into the trachea.

16. The endotracheal tube assembly according to claim 14, wherein the distal end of the tube body is provided with a balloon circumferentially surrounding the outer wall, and wherein a vent conduit is provided between the inner wall and the outer wall, the vent conduit communicating with the balloon; the trachea cannula assembly is also provided with a second vent pipe which is arranged at the near end of the tube body and communicated with the vent pipeline.