CN215231273U - Exchange guide kit of tracheal catheter and application - Google Patents
Exchange guide kit of tracheal catheter and application Download PDFInfo
- Publication number
- CN215231273U CN215231273U CN202120370709.6U CN202120370709U CN215231273U CN 215231273 U CN215231273 U CN 215231273U CN 202120370709 U CN202120370709 U CN 202120370709U CN 215231273 U CN215231273 U CN 215231273U
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- joint
- connecting piece
- inner rod
- rod core
- movable section
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- 238000006243 chemical reaction Methods 0.000 claims description 14
- 238000002627 tracheal intubation Methods 0.000 description 14
- 210000003437 trachea Anatomy 0.000 description 9
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 206010036790 Productive cough Diseases 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 239000000806 elastomer Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 210000003802 sputum Anatomy 0.000 description 4
- 208000024794 sputum Diseases 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 238000001647 drug administration Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000012377 drug delivery Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
Abstract
The utility model discloses an exchange guide external member and application of endotracheal tube, relating to the technical field of medical appliances. An exchange guide kit of a tracheal catheter comprises an inner rod core, an outer hose and a connecting assembly, wherein the outer hose comprises a fixed section and a movable section; the connecting assembly comprises a first connecting piece, a second connecting piece and a joint, and is connected with or separated from the first connecting piece and the second connecting piece through the joint; when the joint is separated from the first connecting piece and is connected with the second connecting piece, the joint, the second connecting piece and the outer hose movable section can integrally move on the inner rod core and limit through the limiting structure on the inner rod core, so that the outer hose movable section is kept connected with the inner rod core when being pulled out for extension relative to the inner rod core, and the pulled-out outer hose movable section can form a flexible guiding section. The utility model discloses based on existing intubate guide core improves, have that the commonality is strong, the pliability is good, adjust nimble, convenient operation and easily obtained characteristics.
Description
Technical Field
The utility model relates to the technical field of medical equipment.
Background
Endotracheal intubation, in which a tracheal tube is inserted into the trachea of a patient, is widely used in medical rescue and surgical anesthesia. The conventional tracheal tube is relatively soft as the intubation tube, and a guide core is generally required to be used for intubation and tube replacement. The trachea cannula guide core is mainly used for shaping a trachea catheter in the trachea cannula process clinically, so that the shape of the trachea catheter is smoothly inserted into an airway. According to clinical needs, the tracheal intubation guide core used clinically at present is generally composed of a tube body made of medical high polymer materials and a metal wire, and is disposable, convenient to produce and low in price.
For example, when the tracheal catheter is replaced, the length of the conventional tracheal intubation guide core is often a constant value and cannot be adjusted, the length is insufficient and cannot meet the actual intubation requirement, and the intubation operation is influenced when the length is too long; for another example, in order to meet special operation and purpose, a corresponding special tracheal catheter needs to be used, conversion among various catheters is inevitably involved, and the currently used exchange guide cores are almost all various plastic rods which are simple to manufacture, single in model, poor in universality and inconvenient to operate during catheter conversion. On the other hand, the traditional guide core for the tracheal intubation has hard texture, may damage airway mucosa, has poor flexibility and cannot be shaped, so that the operation is influenced.
In view of the above problems, the prior art also provides various guide cores with characteristic functions, for example, chinese patent zl201420398744.9 discloses a ventable endotracheal intubation guide device, which is pre-guided by the guide front end of a guide rod body capable of emitting light and is capable of ventilating while performing intubation. For another example, chinese patent zl201420569663.0 discloses a sprayable endotracheal intubation pre-guide rod having a connecting tube at the end of the guide rod connected to a medical injector so that the guide rod can administer medication to a patient during intubation. However, the above-mentioned guide rod of the prior art still has difficulty in satisfying various clinical characteristic requirements in terms of versatility, flexibility and flexibility of length adjustment. In summary, how to provide a guiding device of an endotracheal tube, which has strong versatility, good flexibility, flexible adjustment and convenient operation, based on the existing endotracheal intubation equipment is a technical problem that needs to be solved at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: overcomes the defects of the prior art and provides an exchange guide kit of a tracheal catheter and application thereof. The utility model provides an endotracheal tube exchanges guide external member, including interior excellent core, outer hose and coupling assembling, outer hose includes canned paragraph and activity section, and coupling assembling includes first connecting piece, second connecting piece and joint, is connected or separates through connecting with first connecting piece, second connecting piece and makes outer hose activity section is in different operating condition, has that the commonality is strong, the pliability is good, adjust nimble, convenient operation and easily obtained's characteristics.
In order to achieve the above object, the utility model provides a following technical scheme:
an exchange guide kit of an endotracheal tube comprises an inner rod core, an outer hose and a connecting assembly, wherein the outer hose comprises a fixed section fixedly arranged on the inner rod core and a movable section which is sleeved on the inner rod core and can move relative to the inner rod core;
the connecting assembly comprises a first connecting piece arranged on the fixed section, a second connecting piece arranged on the movable section and a joint sleeved on the inner rod core and used for connecting the first connecting piece and the second connecting piece, the joint comprises an upper joint and a lower joint, the upper joint is used for being connected with or separated from the first connecting piece, and the lower joint is used for being connected with or separated from the second connecting piece;
when the joint is separated from the first connecting piece and is connected with the second connecting piece, the joint, the second connecting piece and the outer hose movable section can integrally move on the inner rod core and limit through the limiting structure on the inner rod core, so that the outer hose movable section is kept connected with the inner rod core when being pulled out for extension relative to the inner rod core, and the pulled-out outer hose movable section can form a flexible guiding section.
Further, when the joint is connected with the first connecting piece and separated from the second connecting piece, the second connecting piece and the movable section of the outer hose can be separated from the inner rod core after being pulled out relative to the inner rod core.
Furthermore, the tail end of the outer hose movable section is provided with an opening, and the outer hose movable section is ventilated and/or exerts suction force through the opening.
The device further comprises a conversion joint, wherein one end of the conversion joint is connected with the second connecting piece, and the other end of the conversion joint is connected with an interface of external equipment;
when the second connecting piece and the movable section of the outer hose are separated from the inner rod core, the external equipment is connected through the conversion joint.
Furthermore, the limiting structure is arranged at the tail end of the inner rod core and corresponds to the joint, and when the joint, the second connecting piece and the outer hose movable section are integrally pulled out relative to the inner rod core, the limiting structure limits the movement of the joint so as to prevent the outer hose movable section from being separated from the inner rod core.
Further, the limiting structure is a protrusion arranged on the inner rod core, the outer diameter of the protrusion is larger than the inner diameter of the lower connector of the connector and smaller than the inner diameter of the outer hose, and when the lower connector moves to the protruding position on the inner rod core, the protrusion blocks the lower connector to prevent the connector from being separated from the inner rod core.
Further, the first connecting piece and the second connecting piece are both threaded connecting pieces;
a first cavity is formed between the first connecting piece and the inner rod core to accommodate the upper joint, inner threads are arranged on the inner wall of the first cavity, and outer threads matched with the inner threads are arranged on the outer surface of the upper joint;
a second cavity is formed between the second connecting piece and the inner rod core to accommodate the lower connector, inner walls of the second cavity are provided with internal threads, and outer surfaces of the lower connector are provided with external threads matched with the internal threads.
Further, the joint further comprises an intermediate part connecting the upper joint and the lower joint, and the outer diameter of the intermediate part, the outer diameter of the first connecting piece and the outer diameter of the second connecting piece are the same.
Furthermore, be provided with one or more elastomer on the joint inner wall, the elastomer inboard is with interior excellent core surface contact, the elastomer outside is with the contact internal surface contact, can be with the joint spacing in the optional position of interior excellent core through the elastomer.
The utility model also provides a trachea cannula subassembly, including endotracheal tube and endotracheal tube guide core, endotracheal tube guide core is aforementioned arbitrary the exchange guide external member.
The utility model discloses owing to adopt above technical scheme, compare with prior art, as the example, have following advantage and positive effect: endotracheal tube exchanges guide external member, including inner rod core, outer hose and coupling assembling, outer hose includes canned paragraph and active segment, and coupling assembling includes first connecting piece, second connecting piece and joint, is connected or separates through joint and first connecting piece, second connecting piece and makes outer hose active segment is in different operating condition, the utility model has the characteristics of the commonality is strong, the pliability is good, adjust nimble, convenient operation and easily obtain.
Drawings
Fig. 1 is a schematic structural view of an exchange guide kit of an endotracheal tube according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the connection assembly according to the embodiment of the present invention when the parts are separated.
Fig. 3 is a schematic structural view of the connector according to the embodiment of the present invention when the connector is separated from the first connecting member and connected to the second connecting member.
Fig. 4 is a schematic structural diagram of the spacing structure and the fitting cooperation spacing provided by the embodiment of the present invention.
Fig. 5 is a schematic structural view illustrating a connection between the connector and the first connecting member and a separation between the connector and the second connecting member according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of the second connecting member and the movable section after being separated from the inner rod core according to an embodiment of the present invention.
Fig. 7 is a schematic structural view of an endotracheal intubation assembly according to an embodiment of the present invention.
Description of reference numerals:
an exchange guide suite 100;
an inner rod core 110, a limiting structure 111;
an outer hose 120, a fixed section 121, a movable section 122, an opening 122 a;
a connecting assembly 130, a first connecting member 131, a first cavity 131a, internal threads 131b, a second connecting member 132, a second cavity 132a, internal threads 132b, a joint 133, an upper joint 1331, external threads 1331a, a lower joint 1332, external threads 1332 a;
a conversion adapter 140;
an endotracheal tube 200.
Detailed Description
The following describes the exchange guide kit and the application of the endotracheal tube disclosed in the present invention in further detail with reference to the accompanying drawings and specific embodiments. It should be noted that technical features or combinations of technical features described in the following embodiments should not be considered as being isolated, and they may be combined with each other to achieve better technical effects. In the drawings of the embodiments described below, the same reference numerals appearing in the respective drawings denote the same features or components, and may be applied to different embodiments. Thus, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.
It should be noted that the structures, ratios, sizes, etc. shown in the drawings of the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, and any modifications of the structures, changes of the ratio relationships, or adjustments of the sizes should fall within the scope that the technical contents disclosed in the present invention can cover without affecting the functions and purposes that the present invention can achieve. The scope of the preferred embodiments of the present invention includes other implementations in which functions may be performed out of the order described or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present invention.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
Examples
Referring to fig. 1, a schematic structural diagram of an exchange guide kit for an endotracheal tube according to an embodiment of the present invention is shown.
The exchange guide assembly 100 includes an inner core 110, an outer hose 120, and a connection assembly 130.
The inner rod core 110 is preferably a medical metal strip, such as a stainless steel wire strip, which can provide a supporting force when the endotracheal tube is inserted.
The outer hose 120 includes a fixed section 121 fixedly mounted on the inner core 110 and a movable section 122 sleeved on the inner core 110 and capable of moving relative to the inner core 110.
The outer hose 120 is a hollow flexible tube structure, preferably made of medical PVC tubing, with both ends of the tubing closed. The outer hose has an outer diameter of less than 3mm and a wall thickness of preferably between 0.3 and 0.5mm, preferably 0.4 mm. According to the requirement, the outer wall of the outer hose 120 can be provided with scale marks, so that an operator can know the insertion depth conveniently during operation.
In this embodiment, the outer hose 120 is divided into a fixed section 121 and a movable section 122. The one end of excellent core 110 including the canned paragraph 121 can be installed through various fixed connection modes such as hot melt, gluing agent, buckle connection, threaded connection, the fixed connection mode should not be as right the utility model discloses a restriction.
The movable section 122 is sleeved on the inner rod core 110, and the inner diameter of the pipe is larger than the outer diameter of the inner rod core 110, so that the movable section can move on the inner rod core 110. The inner core 110 is further provided with a limiting structure to limit the movement of the movable section 122, so that the movable section 122 can be pulled out relative to the inner core 110 to be connected with the inner core 110 when being extended. The outer flexible tube active segment 122 serves as a packaging sleeve of the inner rod core 110 when not being extended, and can serve as a flexible guiding segment when the tube is replaced after being pulled out and extended, and the end of the outer flexible tube active segment 122 is inserted into the tracheal catheter to be replaced when the tube is replaced.
In this embodiment, preferably, the limiting is realized by the cooperation between the connecting component 130 and the limiting structure 111.
In an implementation, the connecting assembly 130 may include a first connecting member 131 installed on the fixed section 121, a second connecting member 132 installed on the movable section 122, and a joint 133 sleeved on the inner rod core 110 for connecting the first connecting member and the second connecting member.
As a typical example, the first connecting member 131 may be sleeved on the inner rod core and fixedly installed at a connection position of the fixing section 121 and the inner rod core 110, the second connecting member 132 is sleeved on the inner rod core 110 and can move on the inner rod core 110, the joint 133 is also sleeved on the inner rod core 110 and is arranged between the first connecting member 131 and the second connecting member 132, and the joint 133 can move on the inner rod core 110.
Referring to fig. 2, the joint 133 may include an upper joint 1331 and a lower joint 1332 corresponding to the first and second connectors 131 and 132, the upper joint 1331 being adapted to be connected to or disconnected from the first connector 131, and the lower joint 1332 being adapted to be connected to or disconnected from the second connector 132. That is, the joint 133 may be detachably connected to the fixed segment through a first connection member or detachably connected to the movable segment through a second connection member when in use. The detachable connection mode can be one or more of various connection modes such as threaded connection, buckle connection, adsorption connection and the like.
In a preferred embodiment, the first connector 131 and the second connector 132 may be both threaded connectors. Specifically, as shown in fig. 2, a first cavity 131a is formed between the first connector 131 and the inner rod core 110 to accommodate the upper joint 1331, an internal thread 131b is provided on an inner wall of the first cavity 131a, an external thread 1331a matched with the internal thread 131b is provided on an outer surface of the upper joint 1331, and a tight threaded connection is achieved through the external thread 1331a and the internal thread 131 b.
Similarly, a second cavity 132a is formed between the second connecting member 132 and the inner rod core 110 to accommodate the lower joint 1332, the inner wall of the second cavity 132a is provided with an internal thread 132b, the outer surface of the lower joint 1332 is provided with an external thread 1332a matched with the internal thread 132b, and the external thread 1332a and the internal thread 132b are tightly screwed.
Optionally, the joint 133 may further include an intermediate portion connecting the upper joint 1331 and the lower joint 1332, and the intermediate portion has an outer diameter size identical to that of the first connecting member 131 and that of the second connecting member 132, so that a smoother outer surface can be formed after the joint portions are connected.
In this embodiment, when the joint 133 is separated from the first connecting member 131 and connected to the second connecting member 132, as shown in fig. 3, the joint 133, the second connecting member 132 and the outer flexible hose moving section 122 can be integrally moved on the inner rod core 110 and limited by the limiting structure 111 on the inner rod core 110, so that the outer flexible hose moving section is pulled out relative to the inner rod core to be extended and kept connected to the inner rod core.
Optionally, the limiting structure 111 is disposed at the rear end of the inner core 110 and is disposed corresponding to the joint 133, and when the joint 133, the second connecting member 132 and the outer flexible tube active segment 122 are integrally pulled out relative to the inner core 110, the limiting structure 111 limits the movement of the joint 133 so as to prevent the joint 133, the second connecting member 132 and the outer flexible tube active segment 122 from being separated from the inner core. So, improved the reliability of connecting, avoided appearing outer hose movable segment and interior excellent core separation when the operation, and the situation of the guide rod extension failure that leads to takes place.
In this embodiment, referring to fig. 4, the position-limiting structure 111 is preferably a protrusion provided on the inner rod core, and the outer diameter of the protrusion is larger than the inner diameter of the lower joint 1332 of the joint 133 and smaller than the inner diameter of the outer hose, so that when the joint 133, the second connector 132 and the outer hose activity 122 are moved integrally on the inner rod core 110, the lower joint 1332 of the joint 133 reaches a protruding position, and the protrusion cannot pass through the lower joint 1332 because the outer diameter of the protrusion is larger than the inner diameter of the lower joint 1332, and the joint is prevented from being separated from the inner rod core because of the obstruction of the protrusion by the lower joint, thereby preventing the outer hose activity section from being separated from the inner rod core.
Optionally, the protrusion is a protruding block, a protruding ring or a protruding section.
Optionally, one or more elastic bodies may be further disposed on the inner wall of the joint 133, the elastic bodies are disposed between the inner core and the joint, the inner sides of the elastic bodies contact the outer surface of the inner core 110, the outer sides of the elastic bodies contact the inner surface of the joint 133, the joint may be restrained on the inner core by using the deformation performance of the elastic bodies, and when an external pulling force greater than the friction force applied by the elastic bodies is applied, the restraint of the elastic bodies is released, and the joint may move relative to the inner core. When the flexible hose moving joint moves, an operator can limit the joint at any position of the inner rod core through the elastic body according to the requirement of actual length, so that the movable section of the outer hose connected with the joint is limited at any position of the inner rod core. The elastic body is a silica gel block, a silica gel tube or a silica gel ring.
In this embodiment, referring to fig. 5, the joint 133 can be further connected to the first connecting member 131 and separated from the second connecting member 132, and at this time, since the joint 133 is separated from the second connecting member 132, the second connecting member 132 and the outer flexible tube movable section 122 can also be separated from the inner rod core after being pulled out relative to the inner rod core, as shown in fig. 6. That is, the joint 133 is separated from the second connector 132 such that the joint 133 releases the stop (protrusion) and the inner diameter of the second connector 132 allows the stop 111 on the inner core to pass through, thereby allowing the inner core to be separated from the second connector 132 and the outer hose active segment 122.
In this embodiment, one or more openings may be further disposed at the tail end of the outer flexible pipe active segment 122 as air holes and/or suction holes, so that the outer flexible pipe active segment can ventilate and/or apply suction through the openings.
Thus, when the second connecting piece and the outer flexible pipe movable section are separated from the inner rod core, the outer flexible pipe movable section can be used for ventilation and/or suction, for example, the outer flexible pipe movable section is connected with an oxygen generating device for ventilation and oxygen inhalation, or connected with a sputum inhalation device for clearing respiratory tract secretions or foreign matters, or connected with a drug administration device for drug administration, and the like.
Optionally, as shown in fig. 6, a conversion joint 140 may be further included corresponding to the second connecting element 132, one end of the conversion joint 140 may be connected to the second connecting element 132, and the other end of the conversion joint 140 is connected to an interface of an external device. When the second connecting piece and the movable section of the outer hose are separated from the inner rod core, the external equipment is connected through the conversion joint. The external device is, by way of example and not limitation, an oxygen generating device, a sputum aspirating device, a drug delivery device, and the like.
Above-mentioned technical scheme has further realized the dismantlement separation of outer hose movable segment and interior rod core through coupling assembling, has improved the commonality and the application scope of outer hose movable segment on the one hand, and on the other hand also is convenient for the user to carry out operations such as clearance, the change of outer hose movable segment and interior rod core as required, has that the commonality is strong, the pliability is good, adjust nimble, convenient operation's characteristics.
Referring to fig. 7, in another embodiment of the present invention, an endotracheal tube assembly is provided.
The endotracheal tube assembly includes an endotracheal tube 200 and an endotracheal tube guiding core, which is the exchange guiding kit 100 of the previous embodiment.
When the trachea cannula subassembly was intubate for the first time, exchange guide external member through under the original condition leads the core as the intubate, and is moulding endotracheal tube at trachea cannula in-process, makes endotracheal tube's the more smooth air flue of inserting of shape.
Then, when the endotracheal tube needs to be changed, at first operating coupling assembling makes joint and first connecting piece separation to make outer hose movable segment and the outer hose fixed segment separation, then, pull out outer hose movable segment for interior excellent core and move on the excellent core including this in-process joint, second connecting piece and outer hose movable segment as whole together, it is spacing to carry out the limit structure on the interior excellent core to the joint until, outer hose movable segment after pulling out forms flexible guide section.
Then, inserting the end of the movable section of the outer hose into a tracheal catheter to be replaced (namely, the tracheal catheter which enters an air passage) and extending into the middle-lower section of the trachea;
then, withdrawing the tracheal catheter to be replaced, and reserving the exchange guide kit;
and finally, sleeving the new tracheal catheter to be placed into the exchange guide suite, inserting the tracheal catheter into the air passage under the support of the exchange guide suite, and completing tracheal catheter replacement. In the replacement process, according to the needs of a patient, when the patient needs to breathe oxygen or suck sputum or administer the medicine, the connection between the joint and the second connecting piece can be released, so that the second connecting piece and the outer hose movable section can be separated from the inner rod core, then the joint is connected with the interface of external equipment through the conversion joint, and the breathing oxygen, the sputum suction and/or the medicine administration is carried out through the opening at the tail end of the outer hose movable section.
In this embodiment, the endotracheal tube 200 is preferably made of a soft resin and has a spiral wire in the wall thereof, and the exchange guide rod 100 has a length longer than that of the endotracheal tube 200.
Other technical features are referred to in the previous embodiments and are not described herein.
It is within the scope of the disclosure that the various components may be selectively and operatively combined in any number. In addition, terms like "comprising," "including," and "having" should be interpreted as inclusive or open-ended, rather than exclusive or closed-ended, by default, unless explicitly defined to the contrary. All technical, scientific, or other terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs unless defined otherwise. Common terms found in dictionaries should not be interpreted too ideally or too realistically in the context of related art documents unless the present disclosure expressly limits them to that. Any alterations and modifications of the present invention based on the above disclosure will be apparent to those skilled in the art from the present disclosure, and all such modifications and modifications are intended to fall within the scope of the appended claims.
Claims (10)
1. An exchange guide kit for an endotracheal tube, characterized by: the outer hose comprises a fixed section fixedly mounted on the inner rod core and a movable section which is sleeved on the inner rod core and can move relative to the inner rod core;
the connecting assembly comprises a first connecting piece arranged on the fixed section, a second connecting piece arranged on the movable section and a joint sleeved on the inner rod core and used for connecting the first connecting piece and the second connecting piece, the joint comprises an upper joint and a lower joint, the upper joint is used for being connected with or separated from the first connecting piece, and the lower joint is used for being connected with or separated from the second connecting piece;
when the joint is separated from the first connecting piece and is connected with the second connecting piece, the joint, the second connecting piece and the outer hose movable section can integrally move on the inner rod core and limit through the limiting structure on the inner rod core, so that the outer hose movable section is kept connected with the inner rod core when being pulled out for extension relative to the inner rod core, and the pulled-out outer hose movable section can form a flexible guiding section.
2. The exchange guide kit of claim 1, wherein: when the joint is connected with the first connecting piece and separated from the second connecting piece, the second connecting piece and the movable section of the outer hose can be separated from the inner rod core after being pulled out relative to the inner rod core.
3. The exchange guide kit according to claim 1 or 2, characterized in that: the tail end of the outer hose movable section is provided with an opening through which the outer hose movable section is ventilated and/or exerts suction force.
4. The exchange guide kit of claim 3, wherein: the conversion connector is connected with the second connecting piece at one end and connected with an interface of external equipment at the other end;
when the second connecting piece and the movable section of the outer hose are separated from the inner rod core, the external equipment is connected through the conversion joint.
5. The exchange guide kit of claim 1, wherein: the limiting structure is arranged at the tail end of the inner rod core and corresponds to the joint, and when the joint, the second connecting piece and the outer hose movable section are integrally pulled out relative to the inner rod core, the limiting structure limits the movement of the joint so as to prevent the outer hose movable section from being separated from the inner rod core.
6. The exchange guide kit of claim 5, wherein: the limiting structure is a protrusion arranged on the inner rod core, the outer diameter of the protrusion is larger than the inner diameter of the lower connector of the connector and smaller than the inner diameter of the outer hose, and the lower connector is blocked by the protrusion when moving to the protrusion position on the inner rod core so as to prevent the connector from being separated from the inner rod core.
7. The exchange guide kit of any one of claims 1, 2, 4, 5, or 6, wherein: the first connecting piece and the second connecting piece are both threaded connecting pieces;
a first cavity is formed between the first connecting piece and the inner rod core to accommodate the upper joint, an external thread is arranged on the inner wall of the first cavity, and an internal thread matched with the external thread is arranged on the outer surface of the upper joint;
a second cavity is formed between the second connecting piece and the inner rod core to accommodate the lower connector, external threads are arranged on the inner wall of the second cavity, and internal threads matched with the external threads are arranged on the outer surface of the lower connector.
8. The exchange guide kit of claim 7, wherein: the joint further comprises a middle part connecting the upper joint and the lower joint, and the outer diameter of the middle part, the outer diameter of the first connecting piece and the outer diameter of the second connecting piece are the same.
9. The exchange guide kit of claim 7, wherein: the joint comprises an inner rod core and a joint body, wherein one or more elastic bodies are arranged on the inner wall of the joint body, the inner sides of the elastic bodies are in contact with the outer surface of the inner rod core, the outer sides of the elastic bodies are in contact with the inner surface of the joint body, and the joint body can be limited at any position of the inner rod core through the elastic bodies.
10. The utility model provides an endotracheal tube subassembly, includes endotracheal tube and endotracheal tube guide core, its characterized in that: the endotracheal tube guide core is the exchange guide kit of any one of claims 1-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120370709.6U CN215231273U (en) | 2021-02-11 | 2021-02-11 | Exchange guide kit of tracheal catheter and application |
| PCT/CN2022/075882 WO2022171181A1 (en) | 2021-02-11 | 2022-02-10 | Exchange guide kit for tracheal catheter and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120370709.6U CN215231273U (en) | 2021-02-11 | 2021-02-11 | Exchange guide kit of tracheal catheter and application |
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| Publication Number | Publication Date |
|---|---|
| CN215231273U true CN215231273U (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120370709.6U Active CN215231273U (en) | 2021-02-11 | 2021-02-11 | Exchange guide kit of tracheal catheter and application |
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| Country | Link |
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| CN (1) | CN215231273U (en) |
| WO (1) | WO2022171181A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022171181A1 (en) * | 2021-02-11 | 2022-08-18 | 邹最 | Exchange guide kit for tracheal catheter and application |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104800941B (en) * | 2014-01-28 | 2018-01-19 | 广州维力医疗器械股份有限公司 | Tracheal catheter built in a kind of reversible type combines air-breather with laryngeal mask |
| CN207654506U (en) * | 2017-06-21 | 2018-07-27 | 刘超 | It is a kind of can suction sputum guide device of endotracheal tube |
| US20200338291A1 (en) * | 2017-12-22 | 2020-10-29 | Ananthanarayanan Kalyanaraman | Tracheal intubation facilitator with superior ventilating capability, with a system to accurately place endobronchial tubes in the desired bronchus |
| US11684737B2 (en) * | 2018-07-26 | 2023-06-27 | Aninimed Llc | Endotracheal tube exchange |
| CN111001069B (en) * | 2019-11-13 | 2024-03-01 | 邹最 | Exchange guide rod of tracheal catheter and application |
| CN215231273U (en) * | 2021-02-11 | 2021-12-21 | 邹最 | Exchange guide kit of tracheal catheter and application |
-
2021
- 2021-02-11 CN CN202120370709.6U patent/CN215231273U/en active Active
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- 2022-02-10 WO PCT/CN2022/075882 patent/WO2022171181A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022171181A1 (en) * | 2021-02-11 | 2022-08-18 | 邹最 | Exchange guide kit for tracheal catheter and application |
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| Publication number | Publication date |
|---|---|
| WO2022171181A1 (en) | 2022-08-18 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240329 Address after: Building 3, No. 2111 Beiyan Road, Chongming District, Shanghai, 202177 Patentee after: Shanghai Zhuokangxin Biotechnology Co.,Ltd. Country or region after: China Address before: Department of Anesthesiology, 6th floor, inpatient building, Changzheng Hospital, 415 Fengyang Road, Huangpu District, Shanghai, 200003 Patentee before: Zou Zui Country or region before: China |