CN210673959U - Intranasal intubate - Google Patents

Abstract

The utility model discloses a transnasal cannula, which comprises a main tube, a medicine feeding tube, a monitoring tube, a conversion joint and a spiral steel wire arranged inside the main tube; one end of the main pipe is a machine end, the other end of the main pipe is a patient end, and a plurality of side holes are formed in the main pipe close to the patient end along the circumferential direction; the medicine feeding pipe extends longitudinally along the wall cavity of the main pipe, two ends of the medicine feeding pipe penetrate through the outer wall of the main pipe, and one end of the medicine feeding pipe, which is close to the machine end, extends out of the main pipe. The utility model discloses be provided with simultaneously with pencil, monitoring pipe and oxygen suppliment joint, can inject the liquid medicine into the nasal cavity of patient through adding the pencil as required at any time at the in-process of monitoring patient's sign, the operation in-process need not frequently to change the operation apparatus, improves operation efficiency to be equipped with the spiral steel wire in being responsible for, further avoid the intranasal intubate to cause the damage to the nasal mucosa.

Description

Intranasal intubate

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a intranasal intubate.

Background

Intranasal intubate mainly is applied to obesity and difficult air flue patient's general anesthesia induction and regional anesthesia and assists sedated patient's oxygen supply, the intranasal intubate that has the monitoring function among the prior art only is provided with the oxygen suppliment air flue, only can the oxygen suppliment and inhale phlegm, but need inject a small amount of liquid medicine help smooth and easy nasal passage when patient's air flue blocks up seriously, and add the anti-inflammatory liquid medicine and can avoid the nasal cavity infection inhaling phlegm in-process, and simultaneously, intranasal intubate material among the prior art is softer, difficult stereotyping, when patient's position changes, intranasal intubate rocks easily, cause the damage of nasal mucosa, how to design one kind simultaneously have the oxygen suppliment, inhale phlegm, monitoring and annotate the liquid function, and reduce the intranasal intubate of nasal mucosa damage is the technical problem that needs to solve.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to solve the intranasal intubate that has monitoring function among the prior art and not have the notes liquid function, can't deal with urgent trachea blocking condition, and the technical problem that the intubate rocked because of patient's position changes easily, the utility model provides an above-mentioned problem is solved to intranasal intubate.

The utility model provides a technical scheme that its technical problem adopted is: a transnasal cannula comprises a main tube, a medicine feeding tube, a monitoring tube, a conversion joint and a spiral steel wire arranged inside the main tube; one end of the main pipe is a machine end, the other end of the main pipe is a patient end, and a plurality of side holes are formed in the main pipe close to the patient end along the circumferential direction; the drug feeding pipe longitudinally extends along the wall surface cavity of the main pipe, two ends of the drug feeding pipe penetrate through the outer wall of the main pipe, one end of the drug feeding pipe close to the machine end extends out of the main pipe, and is connected with a drug feeding joint; the adapter is connected to the machine end and comprises a first interface and a second interface, the first interface is connected with an oxygen supply device, the second interface is connected with a monitoring pipe, and the first interface and the second interface are respectively communicated with the main pipe.

Furthermore, the second interface be with the narrow passageway that is responsible for the link up, the monitoring pipe passes the second interface stretches into be responsible for inside, monitoring pipe one end extends to lateral hole department is located be responsible for the outside monitoring pipe tip is connected with the monitoring and connects.

Preferably, the monitoring pipe is provided with a first limit pipe and a second limit pipe, and the second interface is clamped between the first limit pipe and the second limit pipe.

Further, the surface of the main pipe is coated with a high polymer hydrophilic gel coating.

Preferably, the patient end of the main tube is a beveled cut.

Preferably, a protective cap is arranged at the dosing joint.

Preferably, the diameter of the main pipe is 6-8 mm; the diameter of the dosing pipe is 2-3 mm, and the diameter of the monitoring pipe is 0.3-1 mm.

Preferably, the crossover sub is sleeved at the machine end by a sleeve.

Preferably, the adapter and the sleeve are made of hard plastic materials, and the main pipe, the dosing pipe and the monitoring pipe are made of medical grade high-elasticity PVC materials.

The utility model has the advantages that:

(1) the utility model discloses be provided with simultaneously with pencil, monitoring pipe and oxygen suppliment joint, can inject the liquid medicine into the nasal cavity of patient through adding the pencil as required at any time at the in-process of monitoring patient's sign, the operation in-process need not frequently to change the operation apparatus, improves operation efficiency to be equipped with the spiral steel wire in being responsible for, further avoid the intranasal intubate to cause the damage to the nasal mucosa.

(2) The utility model discloses well add the pencil and follow the wall cavity longitudinal extension of being responsible for, add the pencil and can not occupy the inside autonomous respiration passageway space of being responsible for to annotate the liquid stroke and can not interfere with each other with breathing gas flow.

(3) The utility model discloses well person in charge surface coating has the hydrophilic gel coating of high polymer, the hydrophilic gel coating of high polymer has hydrophilic lubricated characteristic, can reduce the friction to nasal cavity chamber way to can adsorb normal saline or aseptic water, have better antibacterial action, thereby the infection problem that the greatly reduced intubate arouses.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a perspective view of an embodiment of a transnasal cannula according to the present invention;

fig. 2 is a front view of the present invention;

FIG. 3 is a sectional view taken along line A-A of FIG. 2;

FIG. 4 is an enlarged view taken at a in FIG. 2;

FIG. 5 is an enlarged view of FIG. 2 at b;

FIG. 6 is an enlarged view at c of FIG. 2;

fig. 7 is a cross-sectional wall view of the center main tube of the present invention.

In the figure, 1, a main pipe, 1-1, a machine end, 1-2, a patient end, 2, a medicine feeding pipe, 2-1, a medicine feeding joint, 3, a monitoring pipe, 3-1, a first limiting pipe, 3-2, a second limiting pipe, 3-3, a monitoring joint, 4, a conversion joint, 4-1, a first interface, 4-2, a second interface, 5, a spiral steel wire, 6, a side hole, 7, a high polymer hydrophilic gel coating 7, 8, a protective cap, 9 and a sleeve.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, the term "longitudinal" refers to a direction extending along a pipeline.

Example 1, as shown in fig. 1 to 3, a transnasal cannula includes a main tube 1, a drug adding tube 2, a monitoring tube 3, a crossover joint 4, and a spiral steel wire 5 disposed inside the main tube 1; one end of the main pipe 1 is a machine end 1-1, the other end is a patient end 1-2, a plurality of side holes 6 are circumferentially arranged on the main pipe 1 close to the patient end 1-2, and the side holes 6 can ensure the sufficient exchange of oxygen, carbon dioxide and temperature and humidity and ensure the accuracy of monitoring the carbon dioxide at the pharynx; the dosing pipe 2 longitudinally extends along the wall cavity of the main pipe 1, two ends of the dosing pipe 2 penetrate through the outer wall of the main pipe 1, one end of the dosing pipe 2 close to the machine end 1-1 extends out of the main pipe 1, and is connected with a dosing joint 2-1; the conversion joint 4 is connected to the machine end 1-1, the conversion joint 4 comprises a first interface 4-1 and a second interface 4-2, the first interface 4-1 is connected with oxygen supply equipment, the second interface 4-2 is connected with the monitoring pipe 3, and the first interface 4-1 and the second interface 4-2 are respectively communicated with the main pipe 1.

Be responsible for 1 and be used for spontaneous respiration, add pencil 2 and be used for supplying with the liquid medicine, monitoring tube 3 is used for monitoring patient's vital sign, continue sampling pharyngeal carbon dioxide, in time assess the condition of ventilating, be responsible for 1, add pencil 2 and monitoring tube 3 and be cylindrical pipe, and all adopt the preparation of medical grade high elasticity PVC material, the texture is soft and non-irritating, crossover sub 4 adopts the rigid plastic material to make, crossover sub 4 can 360 arbitrary rotations, be fit for many positions operation, the crossover sub 4 of stereoplasm is convenient for medical personnel handheld operation, and can fix monitoring tube 3, avoid monitoring tube 3 nasal cavity passageway that drops, certain camber can be guaranteed to spiral steel wire 5, plasticity again, can effectively prevent the fracture, prevent the dead space, when patient changes the position, can improve the security.

Specifically, the second interface 4-2 is a narrow channel communicated with the main pipe 1, the monitoring pipe 3 penetrates through the second interface 4-2 and extends into the main pipe 1, one end of the monitoring pipe 3 extends to the side hole 6, the end part of the monitoring pipe 3 located outside the main pipe 1 is connected with the monitoring connector 3-3, the monitoring connector 3-3 is used for connecting monitoring equipment, and the monitoring pipe 3 is clamped by the second interface 4-2 to fix the monitoring pipe 3.

Embodiment 2, in embodiment 1, monitoring pipe 3 depends on second interface 4-2 to clamp and fix, monitoring pipe 3 has the risk of slipping, and need to control the opening size of second interface 4-2 well, do not influence monitoring pipe 3 normal ventilation on the basis of guaranteeing to press from both sides tightly, this embodiment is on the basis of embodiment 1, be equipped with first spacing pipe 3-1 and second spacing pipe 3-2 on monitoring pipe 3, second interface 4-2 presss from both sides and locates between first spacing pipe 3-1 and second spacing pipe 3-2, first spacing pipe 3-1 and second spacing pipe 3-2 are used for limiting monitoring pipe 3 relative to the longitudinal motion of second interface 4-2, effectively avoid monitoring pipe 3 to slip, and reduced the installation degree of difficulty.

In example 3, the friction between the main tube 1 and the nasal cavity during the insertion of the main tube 1 into the nasal cavity easily causes damaged bleeding of the nasal mucosa, so the surface of the main tube 1 generally needs to be lubricated, and methods such as applying paraffin oil and silicone oil on the surface are generally adopted, although some friction can be reduced, the treatment method is not ideal, the lubrication on the surface of the nasal trachea cannula is difficult to last, the oil applying process is troublesome and inconvenient to operate, for example, improper operation easily causes secondary pollution to the sterile cannula, more importantly, mineral oil-based lubricating products applied on the surface are easy to remain in the nasal cavity, and the main tube rate of infection caused by easy bacterial growth is not easy to be discharged, therefore, the high polymer hydrophilic gel coating is coated on the surface of the main tube 1 in the present embodiment, and as shown in fig. 7, the high polymer hydrophilic gel coating is located on the outermost.

The high polymer hydrophilic gel coating with hydrophilic lubrication is in a colorless transparent dry film state under normal environment, has no influence on the production, package, sterilization and storage, and in clinical use, a user only needs to soak the nasal cannula made of the high polymer hydrophilic gel modified high polymer material in clinically common sterile water or physiological saline for 3-10 seconds to activate gel hydrophilic groups, so that the high polymer coating is firm and reliable, and does not remain in nasal cavities. Aiming at the characteristics of hydrophilicity and water absorption of the gel, a certain amount of antibiotic medicine can be added into sterile water or the main pipe 1 is soaked in liquid containing a certain amount of antibiotic medicine to activate the high polymer hydrophilic gel coating according to clinical practical conditions during activation, so that the high polymer hydrophilic gel coating can uniformly adsorb the antibiotic liquid on the surface of the main pipe 1 in the activation process, and the surface of the main pipe 1 in the cavity channel where the cannula is placed has a good antibacterial function, thereby greatly reducing the infection problem caused by the cannula.

Preferably, the patient end 1-2 of the main tube 1 is beveled to ensure that the main tube 1 has an alignment point when inserted into the nasal cavity, and the beveled tip of the patient end 1-2 of the main tube 1 is aligned with the patient's nostril.

Preferably, a protective cap 8 is arranged at the dosing joint 2-1.

Preferably, the diameter of the main pipe 1 is 6-8 mm; the diameter of the dosing tube 2 is 2-3 mm, and the diameter of the monitoring tube 3 is 0.3-1 mm.

Preferably, the crossover sub 4 is sleeved on the machine end 1-1 through a sleeve 9, so that damage to the main pipe 1 caused by replacement of the crossover sub 4 is avoided. The sleeve 9 is also made of hard plastic material.

The utility model discloses a concrete application method does: connect oxygen supply equipment with first interface 4-1, rotatory crossover sub 4 to the tramp, connect monitoring facilities with monitoring tube 3, guarantee that oxygen supply channel and monitoring tube 3 are unobstructed not to buckle, aim at patient's nostril with the scarf top of being responsible for 1 after that, and go deep into to the nose slowly, monitor patient's respiratory frequency, oxygen concentration, carbon dioxide concentration, observe the interior sputum secretion condition of patient's air flue, pour into the liquid medicine into as required into, in time inhale phlegm according to the correct mode again, after the use, relieve nasal intubation and oxygen suppliment and monitoring facilities's being connected, main pipe 1 is taken out slowly.

In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In this specification, the schematic representations of the terms are not necessarily referring to the same embodiment. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (9)

1. A transnasal cannula characterized by: comprises a main pipe (1), a dosing pipe (2), a monitoring pipe (3), a crossover sub (4) and a spiral steel wire (5) arranged in the main pipe (1); one end of the main pipe (1) is a machine end (1-1), the other end of the main pipe is a patient end (1-2), and a plurality of side holes (6) are formed in the main pipe (1) close to the patient end (1-2) along the circumferential direction; the dosing pipe (2) longitudinally extends along the wall cavity of the main pipe (1), two ends of the dosing pipe (2) penetrate through the outer wall of the main pipe (1), one end of the dosing pipe (2) close to the machine end (1-1) extends out of the main pipe (1), and is connected with a dosing connector (2-1); the conversion joint (4) is connected to the machine end (1-1), the conversion joint (4) comprises a first interface (4-1) and a second interface (4-2), the first interface (4-1) is connected with oxygen supply equipment, the second interface (4-2) is connected with a monitoring pipe (3), and the first interface (4-1) and the second interface (4-2) are respectively communicated with the main pipe (1).

2. The transnasal cannula of claim 1, wherein: second interface (4-2) be with be responsible for the narrow passageway that (1) link up, monitoring pipe (3) pass second interface (4-2) stretch into be responsible for (1) inside, monitoring pipe (3) one end extends to side opening (6) department is located be responsible for (1) outside monitoring pipe (3) end connection has monitoring joint (3-3).

3. The transnasal cannula of claim 2, wherein: the monitoring pipe (3) is provided with a first limiting pipe (3-1) and a second limiting pipe (3-2), and the second interface (4-2) is clamped between the first limiting pipe (3-1) and the second limiting pipe (3-2).

4. The transnasal cannula of claim 1, wherein: the surface of the main pipe (1) is coated with a high polymer hydrophilic gel coating (7).

5. The transnasal cannula of claim 1, wherein: the patient end (1-2) of the main tube (1) is an oblique incision.

6. The transnasal cannula of claim 1, wherein: a protective cap (8) is arranged at the dosing joint (2-1).

7. The transnasal cannula of claim 1, wherein: the diameter of the main pipe (1) is 6-8 mm; the diameter of the dosing pipe (2) is 2-3 mm, and the diameter of the monitoring pipe (3) is 0.3-1 mm.

8. The transnasal cannula of claim 1, wherein: the conversion joint (4) is sleeved at the machine end (1-1) through a sleeve (9).

9. The transnasal cannula of claim 8, wherein: the adapter (4) and the sleeve (9) are made of hard plastic materials, and the main pipe (1), the dosing pipe (2) and the monitoring pipe (3) are made of medical high-elasticity PVC materials.

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