CN209770326U - flexible laryngeal mask imbeds guide core - Google Patents
flexible laryngeal mask imbeds guide core Download PDFInfo
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- CN209770326U CN209770326U CN201822256531.3U CN201822256531U CN209770326U CN 209770326 U CN209770326 U CN 209770326U CN 201822256531 U CN201822256531 U CN 201822256531U CN 209770326 U CN209770326 U CN 209770326U
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- laryngeal mask
- metal core
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- tube
- air bag
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Abstract
The utility model discloses a flexible laryngeal mask embedded guide core, belonging to the technical field of auxiliary tools, comprising a flexible metal core and an outer sleeve coated outside the flexible metal core, wherein the bending radian of the metal core is matched with that of a laryngeal mask breather pipe; the outer sleeve is also provided with a limiting component for fixing the metal core and the laryngeal mask breather pipe; when the laryngeal mask is used, the bendable laryngeal mask is placed into the guide core to be inserted into the laryngeal mask breather pipe and placed into the oropharynx part of a human body along with the laryngeal mask, and the limiting component can ensure that the metal core inserted into the laryngeal mask breather pipe and the laryngeal mask breather pipe do not generate relative displacement. The utility model has the advantages that, control laryngeal mask breather pipe and metal core not produce relative displacement through spacing subassembly, through leading putting into of core subassembly, improved the conductibility of power, make things convenient for putting into of laryngeal mask, can show to improve flexible laryngeal mask and put into the success rate and put into the quality for the first time.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, a guide core is put into to laryngeal mask is related to, concretely relates to guide core is put into to flexible laryngeal mask.
Background
In recent years, the bendable laryngeal mask is widely used clinically because the ventilation tube is flexible and the fixing position is flexible, the surgical operation space for doctors in oral cavities and head and neck parts is large, and the damage to the oropharynx and throat parts of patients is small. However, the bendable laryngeal mask has the advantages and disadvantages, and the ventilation tube is very soft, so that the difficulty in placing the ventilation tube is increased.
at present, the traditional laryngeal mask implantation method is still mostly adopted: the laryngeal mask is held by bare hands, slides downwards to the entrance of the esophagus along the midline of the incisors, the hard palate and the posterior pharyngeal wall slightly, and rotates counterclockwise slightly by fingers after encountering resistance. When the classical laryngeal mask implanting method is clinically adopted, the problems that the opening degree of a patient is not satisfactory, the hand operation space is narrow, the length of fingers is short relative to the length of an oropharyngeal cavity, the rotating operation is limited when resistance is met and the like are often encountered, so that the laryngeal mask is firstly implanted, the situations that the implantation depth is improper, the ventilation mask is inclined or the ventilation mask is easy to displace during the operation even if the laryngeal mask is inserted are often caused. These are all related to poor force conductance due to the excessively soft airway tube of the flexible laryngeal mask.
Patent No. 2015201162200 discloses a "visual tube core assembly for a laryngeal mask" which is connected to an interface on a laryngeal mask airway through an interface on the tube core, and although the upper interface is fixed together, the laryngeal mask airway is flexible and has poor support, the diameter of the tube core is too small compared with the diameter of the laryngeal mask airway, and the tube core still cannot be tightly fitted with the airway cavity, which still causes the laryngeal mask airway and the mask body to twist around the periphery of the tube core. The mask body is often deflected and improperly placed in depth after being placed in the pharyngeal cavity, the laryngeal mask fails to be placed or the placement position is unsatisfactory, repeated insertion is often needed, and the probability of damage to the oropharyngeal throat is undoubtedly increased.
SUMMERY OF THE UTILITY MODEL
in order to overcome the defects existing in the prior art, the utility model aims to provide a flexible laryngeal mask imbedding guide core which can obviously improve the initial imbedding success rate and imbedding quality of the flexible laryngeal mask.
The utility model discloses a realize through following technical scheme:
The utility model discloses a bendable laryngeal mask embedded guide core, which comprises a bendable metal core and an outer sleeve coated outside the bendable metal core, wherein the bending radian of the metal core is matched with that of a laryngeal mask breather pipe; and the outer sleeve is also provided with a limiting component for fixing the metal core and the laryngeal mask breather pipe. When the laryngeal mask is used, the bendable laryngeal mask is placed into the guide core to be inserted into the laryngeal mask breather pipe and is placed into the oropharynx part along with the laryngeal mask, and the limiting component can ensure that the metal core inserted into the laryngeal mask breather pipe and the laryngeal mask breather pipe do not generate relative displacement.
Preferably, the metal core is made of an aluminum or iron rod.
preferably, the diameter of the metal core is 1/3-2/3 of the diameter of the laryngeal mask airway tube cavity.
Preferably, the upper end of the metal core extends out of the near end of the laryngeal mask breather pipe by 2-3 cm, and the lower end of the metal core extends out of the far end of the laryngeal mask breather pipe by 0-0.5 cm.
Preferably, the outer sleeve is made of medical polymer material, plastic hose or PVC material.
Preferably, the limiting assembly is of an air bag structure and comprises a columnar air bag, an inflation valve and an inflation tube, the columnar air bag is coated outside the outer sleeve, and the columnar air bag is connected with the inflation valve through the inflation tube;
when the columnar air bag is inflated through the inflation valve, the columnar air bag expands and is tightly attached to the inner wall of the cavity of the ventilation pipe of the laryngeal mask, and the metal core is clamped and fixed;
When the gas in the columnar air bag is pumped out through the inflation valve, the columnar air bag releases the gas and is separated from the inner wall of the tube cavity of the breather tube of the laryngeal mask, and the position of the metal core is adjustable.
Further preferably, the inflation valve is connected with a trace gas inlet pump.
Further preferably, the length of the columnar air bag is 3-10 cm.
Preferably, the limiting assembly is of a spring structure and comprises a spring pull ring and a spring fixing body, the spring fixing body is sleeved outside the outer sleeve, and the upper part of the spring fixing body is connected with the spring pull ring through a buckle;
When the spring pull ring is pulled, the spring fixing body is stretched, the spring fixing body is separated from the inner wall of the cavity of the ventilation pipe of the laryngeal mask, and the position of the metal core is adjustable; when the spring pull ring is loosened, the spring fixing body is reset, the spring fixing body is tightly attached to the inner wall of the cavity of the ventilation pipe of the laryngeal mask, and the metal core is clamped and fixed.
Preferably, in use, the flexible laryngeal mask insertion guide core is capable of bending into a J-shape with the flexible laryngeal mask.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model discloses a flexible laryngeal mask puts into guide core, through set up on the outer tube of parcel metal core can closely laminate or not hard up spacing subassembly with the laryngeal mask breather pipe, adjust the position of metal core and laryngeal mask breather pipe through spacing subassembly, satisfy the laminating or not hard up, just can guarantee the laryngeal mask breather pipe and should put into the relative fixation of guide core position when metal core and laryngeal mask breather pipe closely laminate, when metal core and laryngeal mask breather pipe contact are not hard up, can extract from the laryngeal mask breather pipe with this guide core of putting into. The embedding guide core has reasonable structural design and convenient use, and can obviously improve the success rate of the first embedding of the bendable laryngeal mask.
Furthermore, the metal core is made of an aluminum rod or an iron rod, the hardness of the guide core is guaranteed, and the outer sleeve wraps the metal core and softens the metal core.
Furthermore, the upper end of the metal core slightly exceeds the laryngeal mask breather pipe, so that the metal core is fixed at the upper pipe orifice of the laryngeal mask breather pipe, and the lower end of the metal core slightly exceeds the front end of the laryngeal mask breather pipe but does not protrude out of the mask body, thereby avoiding damaging the tissues of the oropharynx and larynx.
Furthermore, the limiting assembly adopts an air bag structure, the air bag structure comprises a columnar air bag, an inflation tube and an inflation valve, the columnar air bag is arranged on the outer sleeve, and when the inflation valve is opened and the columnar air bag is inflated, the columnar air bag is tightly attached to the laryngeal mask breather tube, so that the relative fixation of the positions of the metal core and the laryngeal mask breather tube is realized; after the columnar air bag is exhausted, the columnar air bag is in loose contact with the ventilation pipe of the laryngeal mask, so that the metal core can be pulled out of the ventilation pipe of the laryngeal mask. Through inflating the columnar airbag, the positions of the laryngeal mask breather pipe and the metal core are relatively fixed, the laryngeal mask breather pipe and the mask body are ensured not to rotate on the metal core, the laryngeal mask is ensured to be placed along the middle, and the mask body is prevented from deflecting.
Further, another kind of spacing subassembly adopts spring structure, and spring structure includes spring pull ring and spring fixed body, and the pulling through the spring pull ring or relax the deformation that comes the spring fixed body, when the spring fixed body relaxs the state, spring fixed body and laryngeal mask breather pipe in close contact with for the position relatively fixed of laryngeal mask breather pipe and metal core has guaranteed that laryngeal mask breather pipe and the cover body can not rotate on the metal core, has ensured that the laryngeal mask is along well position income, and the cover body can not incline.
Drawings
fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention;
FIG. 3 is a schematic view showing a relaxed state of a spring assembly in embodiment 2;
FIG. 4 is a schematic structural view showing a pulled state of a spring assembly in embodiment 2;
in the figure: 1 is a metal core, 2 is an outer sleeve, 3 is a laryngeal mask breather pipe, 4 is a columnar air bag, 5 is an inflation valve, 6 is an inflation pipe, 7 is a spring fixing body, and 8 is a spring pull ring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
The utility model discloses a flexible laryngeal mask imbedding guide core, which comprises a flexible metal core 1 and an outer sleeve 2 coated outside the flexible metal core, wherein the bending radian of the metal core 1 is matched with that of a laryngeal mask breather pipe 3; the outer sleeve 2 is also provided with a limiting component for fixing the metal core 1 and the laryngeal mask breather tube 3; when the laryngeal mask is used, the bendable laryngeal mask is placed into the guide core to be inserted into the laryngeal mask breather pipe 3 and placed into the oropharynx part along with the laryngeal mask, and the limiting component can ensure that the metal core 1 inserted into the laryngeal mask breather pipe 3 does not generate relative displacement with the laryngeal mask breather pipe 3.
The upper end of the metal core 1 extends out of the near end of the laryngeal mask breather tube 3 by 2-3 cm, and the lower end extends out of the far end of the laryngeal mask breather tube 3 by 0-0.5 cm.
The outer sleeve 2 wraps the metal core 1, softens the metal core 1 and prevents the laryngeal mask airway from being damaged. The metal core 1 can be an aluminum rod, an iron rod or other metal rods, the outer sleeve 2 is used for softening and passivating the metal core 1, and the outer sleeve 2 can be a plastic hose, a PVC material or other medical high polymer materials.
Example 1
As shown in figure 1, the flexible laryngeal mask implanting guide core comprises a metal core 1, an outer sleeve 2 and a balloon structure arranged on the outer sleeve 2. The air bag structure comprises a columnar air bag 4, an inflation valve 5 and an inflation tube 6, wherein the columnar air bag 4 and the inflation tube 6 are coated outside the outer sleeve 2, and the columnar air bag 4 is connected with the inflation valve 5 through the inflation tube 6. When the columnar air bag 4 is inflated through the inflation valve 5, the columnar air bag 4 expands and is tightly attached to the inner wall of the tube cavity of the laryngeal mask breather tube 3, and the metal core 1 is fixed by clamping; when the gas in the columnar air bag 4 is pumped out through the inflation valve 5, the columnar air bag 4 releases the gas and is separated from the inner wall of the tube cavity of the ventilation tube 3 of the laryngeal mask, and the position of the metal core 1 is adjustable.
The balloon structure may be designed as a disposable component separate from the outer cannula 2, and in use, the outer cannula 2 is inserted into the balloon structure.
When the flexible laryngeal mask is arranged in a guide core and inserted into a laryngeal mask breather pipe 3, the columnar air bag 4 is inflated, the columnar air bag 4 expands to play a role in fixing the relative position of the outer sleeve 2 and the breather pipe, and when the guide core assembly is required to be pulled out of the laryngeal mask breather pipe 3, the inflation valve 5 is opened, air is pumped into the columnar air bag 4, and the laryngeal mask breather pipe 3 and the outer sleeve 2 can be contacted and loosened.
the inflation valve 5 is connected with a trace gas inlet pump for pumping gas to the columnar airbag 4.
The length of the columnar air bag 4 is preferably 3-10 cm.
when the bendable laryngeal mask implanting tube core of the present embodiment is applied to a laryngeal mask, the method of use is as follows:
Firstly, the position of the core guiding component is adjusted, so that the lower end of the outer sleeve 2 slightly protrudes out of the tube cavity of the laryngeal mask vent tube 3, the injector injects gas into the inflation valve 5 to enable the columnar airbag 4 to be tightly attached to the tube cavity of the laryngeal mask vent tube 3, the outer sleeve 2 and the laryngeal mask vent tube 3 are guaranteed not to generate relative displacement, and then the outer sleeve 2 and the bendable laryngeal mask are bent together to form a radian close to the physiological bending of the oropharynx for standby.
The laryngeal mask implanting method comprises the following steps: one hand assists in opening the oral cavity, and the other hand holds the prepared flexible laryngeal mask airway to be close to the bending part, so that the airway is tightly attached to the hard palate along the central line of the patient palate and is smoothly placed into the oropharyngeal cavity until the mask body reaches the satisfactory pharyngeal cavity position. When the guide core assembly is pulled out: the gas in the columnar air bag 4 is evacuated by a syringe, then the lip of the laryngeal mask airway 3 is clamped by one hand and a slight downward force is applied, and the guide core assembly is pulled out by the other hand. Then the laryngeal mask body is inflated, and is connected with a breathing loop, so that the whole implantation process of the laryngeal mask is completed.
Example 2
As shown in fig. 2, the bendable laryngeal mask implanting guide core comprises a metal core 1, an outer sleeve 2 and a spring structure arranged on the outer sleeve 2. The spring structure comprises a spring pull ring 8 and a spring fixing body 7, the spring fixing body 7 is sleeved outside the outer sleeve 2, and the upper part of the spring fixing body 7 is connected with the spring pull ring 8 through a buckle. When the spring pull ring 8 is pulled, the spring fixing body 7 is stretched, the spring fixing body 7 is separated from the inner wall of the tube cavity of the laryngeal mask breather tube 3, and the position of the metal core 1 is adjustable; when the spring pull ring 8 is loosened, the spring fixing body 7 is reset, the spring fixing body 7 is tightly attached to the inner wall of the tube cavity of the laryngeal mask breather tube 3, and the metal core 1 is fixed by clamping.
Referring to fig. 3 and 4, the bendable laryngeal mask imbedding guide core is placed in the laryngeal mask breather pipe 3, when the spring pull ring 8 is pulled, the spring fixing body 7 is stretched, and the spring fixing body 7 is in loose contact with the laryngeal mask breather pipe 3; when the spring pull ring 8 is released, the spring fixing body 7 is reset, and the spring fixing body 7 is tightly attached to the laryngeal mask breather tube 3.
The spring structure is in a relaxed state under the condition of no stress, the laryngeal mask imbedding guide core can be bent to be in a close fit state with the laryngeal mask breather pipe 3, and the relative position is fixed, so that the laryngeal mask imbedding guide core can be directly used, and the shape of the laryngeal mask imbedding guide core can be adjusted. The using method comprises the following steps:
Firstly, the outer sleeve 2 and the bendable laryngeal mask are bent into the radian close to the physiological bending of the oropharynx for standby, one hand is used for opening the oral cavity in an auxiliary way, the other hand holds the ventilation tube of the bendable laryngeal mask with the built-in guide core of the bendable laryngeal mask to be close to the bent part, so that the ventilation tube is tightly attached to the hard palate along the central line of the palate of a patient and is smoothly placed into the oropharynx until the mask body reaches the satisfactory position of the pharyngeal cavity. When the guide core assembly is pulled out: the spring pull ring 8 is pulled first to pull the spring fixing body 7 to deform, then one hand clamps the mouth lip of the vent pipe and gives a slight downward force, and the other hand pulls out the core guiding component. Then the laryngeal mask body is inflated, and is connected with a breathing loop, so that the whole implantation process of the laryngeal mask is completed.
Use the utility model discloses implement putting into the operation of flexible laryngeal mask, can show to improve the flexible laryngeal mask and put into the success rate and put into the quality for the first time, avoided relapse laryngeal mask to put into the unexpected damage that the operation probably brought the patient, have extensive spreading value clinically. The laryngeal mask breather pipe of the bendable laryngeal mask imbedding pipe core is placed in a hand to be close to the bending part, so that the hand feeling of the laryngeal mask during imbedding can be felt, the resistance during imbedding can be clearly felt, and the incidence rate of damage is reduced.
Claims (10)
1. the flexible laryngeal mask imbedding guide core is characterized by comprising a flexible metal core (1) and an outer sleeve (2) coated outside the flexible metal core, wherein the bending radian of the metal core (1) is matched with that of a laryngeal mask breather pipe (3); the outer sleeve (2) is also provided with a limiting component for fixing the metal core (1) and the laryngeal mask breather pipe (3).
2. The bendable laryngeal mask insertion guide core according to claim 1, characterised in that the metal core (1) is made of aluminium or iron rod.
3. the flexible laryngeal mask insertion guide core according to claim 1, characterised in that the diameter of the metal core (1) is 1/3-2/3 of the diameter of the lumen of the laryngeal mask airway tube (3).
4. The flexible laryngeal mask insertion guide core according to claim 1, characterised in that the upper end of the metal core (1) extends 2-3 cm beyond the proximal end of the laryngeal mask airway tube (3) and the lower end extends 0-0.5 cm beyond the distal end of the laryngeal mask airway tube (3).
5. The flexible laryngeal mask insertion guide core according to claim 1, characterised in that the outer sleeve (2) is made of medical polymer material, plastic hose or PVC material.
6. the flexible laryngeal mask implanting guide core according to any one of claims 1 to 5, wherein the limiting component is of an air bag structure and comprises a columnar air bag (4), an inflation valve (5) and an inflation tube (6), the columnar air bag (4) is covered outside the outer sleeve (2), and the columnar air bag (4) is connected with the inflation valve (5) through the inflation tube (6);
When the columnar air bag (4) is inflated through the inflation valve (5), the columnar air bag (4) expands and is tightly attached to the inner wall of the tube cavity of the laryngeal mask vent tube (3), and the metal core (1) is clamped and fixed;
When the gas in the columnar air bag (4) is pumped out through the inflation valve (5), the columnar air bag (4) releases the gas and is separated from the inner wall of the tube cavity of the laryngeal mask vent tube (3), and the position of the metal core (1) is adjustable.
7. The flexible laryngeal mask insertion guide according to claim 6, characterised in that a micro gas inlet pump is connected to the inflation valve (5).
8. The bendable laryngeal mask insertion guide core according to claim 6, characterised in that the length of the cylindrical balloon (4) is 3-10 cm.
9. the flexible laryngeal mask implanting guide core according to any one of claims 1 to 5, wherein the limiting component is of a spring structure and comprises a spring pull ring (8) and a spring fixing body (7), the spring fixing body (7) is sleeved outside the outer sleeve (2), and the upper part of the spring fixing body (7) is connected with the spring pull ring (8) through a buckle;
When the spring pull ring (8) is pulled, the spring fixing body (7) is stretched, the spring fixing body (7) is separated from the inner wall of the tube cavity of the laryngeal mask vent tube (3), and the position of the metal core (1) is adjustable; when the spring pull ring (8) is loosened, the spring fixing body (7) is reset, the spring fixing body (7) is tightly attached to the inner wall of the tube cavity of the laryngeal mask vent tube (3), and the metal core (1) is clamped and fixed.
10. The bendable laryngeal mask insertion guide core according to any one of claims 1 to 5, wherein the bendable laryngeal mask insertion guide core is capable of bending into a J-shape with a bendable laryngeal mask.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822256531.3U CN209770326U (en) | 2018-12-29 | 2018-12-29 | flexible laryngeal mask imbeds guide core |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822256531.3U CN209770326U (en) | 2018-12-29 | 2018-12-29 | flexible laryngeal mask imbeds guide core |
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| CN209770326U true CN209770326U (en) | 2019-12-13 |
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| CN201822256531.3U Active CN209770326U (en) | 2018-12-29 | 2018-12-29 | flexible laryngeal mask imbeds guide core |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116370774A (en) * | 2023-05-23 | 2023-07-04 | 富利凯医疗用品(东莞)有限公司 | Visual trachea cannula and application method thereof |
-
2018
- 2018-12-29 CN CN201822256531.3U patent/CN209770326U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116370774A (en) * | 2023-05-23 | 2023-07-04 | 富利凯医疗用品(东莞)有限公司 | Visual trachea cannula and application method thereof |
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