CN202538108U

CN202538108U - Trachea cannula guiding device

Info

Publication number: CN202538108U
Application number: CN2012200575274U
Authority: CN
Inventors: 申小方; 周晓露; 傅晓东
Original assignee: GUANGXI TAILIN MEDICAL APPARATUS AND INSTRUMENTS CO Ltd
Current assignee: GUANGXI TAILIN MEDICAL APPARATUS AND INSTRUMENTS CO Ltd
Priority date: 2012-02-15
Filing date: 2012-02-15
Publication date: 2012-11-21
Anticipated expiration: 2022-02-15

Abstract

The utility model relates to equipment for medical clinical trachea cannula and belongs to the field of medical apparatuses. A trachea cannula guiding device mainly consists of a handle, an element bin, a supporting tube and optical fibers, wherein the optical fibers are arranged in the supporting tube and propped against two ends of the supporting tube; the supporting tube passes through the lower end of the handle to reach the inside of the handle, the tail end of the supporting tube is connected with the lower end of the element bin; the position relationships between the handle and the supporting tube, between the handle and a handle embedding sleeve, as well as between the handle and the element bin can be relatively changed; a battery, a power supply and a control circuit are arranged in the element bin; light produced by the light source is guided to the outside through the optical fibers; and the trachea cannula guiding device is characterized in that the upper end of the handle is opened; and the element bin is moved into the handle and also can be moved outside the handle. The trachea cannula guiding device has wide scope of application, simple structure, high reliability and low cost of manufacture.

Description

A kind of guide device of endotracheal tube

Technical field

This utility model relates to a kind of equipment that is used for the clinical medicine tracheal intubation, and especially a kind of guide that utilizes the optics deictic function to judge the tracheal intubation position belongs to medical instruments field.

Background technology

Operating room is breathed path etc. and all need be carried out tracheal intubation to patient to setting up to patient when respirator, first aid on the patient to anesthetic machine on the patient, intensive care unit on clinical medicine, promptly inserts an endotracheal tube in patient's the trachea and is used to connect breathing apparatus.Traditional tracheal intubation method is sent into endotracheal tube in patient's the trachea after being to use traditional anesthetic laryngoscope that patient's glottis is exposed again, and this operational approach may cause the tissue injury at position such as patient's throat, oral cavity.Along with optics and electronic imaging development of technology; The visual anesthetic laryngoscope that has occurred various optical imageries or electronic imaging on the market; Be implemented under the image guiding and carry out tracheal intubation; Has the safety of operability and Geng Gao more easily than the tracheal intubation under traditional anesthetic laryngoscope is auxiliary; But these visual anesthetic laryngoscope prices are high, and in patient has tangible internal hemorrhage (like tracheorrhagia) or respiratory tract, exist under the situation of pollution factors such as a large amount of secretions, because the camera lens of visual anesthetic laryngoscope is polluted and cause it possibly not to be suitable for these situation.Western developed country is since the blind insert method of the seventies a kind of tracheal intubation of development in last century six; Promptly use the auxiliary intubate of guiding device of band optics deictic function; The front end of this guiding device can send the strong light of penetrance; Light can penetrate patient's trachea and the tissue between the portion of throat and on the forward skin of patient's neck, produce hot spot; The doctor judges the position that intubate arrives at through the position that the hot spot of observing patient's skin of anterior portion of neck belongs to, and this blind insert method is applicable to tracheal intubation in most cases, comprises that above-mentioned patient has the situation that has pollution factors such as a large amount of secretions in tangible internal hemorrhage (like tracheorrhagia) or the respiratory tract.The guide device of endotracheal tube of such band optics deictic function in state-owned a plurality of patents design; As in please number be called the Chinese patent design of " adjustable laser tracheal intubation guiding core " for 01213094.x, name; The light source that this patent design is used can only be " helium neon laser "; Complicated in mechanical structure, cost is high; And for example application number is 201110200523.7, name is called " a kind of tracheal intubation optical wand of adjustable length "; The complex structure of this patent application; The handle volume is big; Can only regulate its effectively use length through promoting or spur the very tiny stay pipe of external diameter, use is inconvenient, and makes its effective adjustable extent of length that uses less because receiving the restriction of decreased food.

Summary of the invention

To the deficiency of prior art, be necessary to propose new design fully to satisfy the needs of clinical medicine better.

The purpose of this utility model is to provide a kind of guide device of endotracheal tube that is applicable to the endotracheal tube of different length, and this guide device of endotracheal tube has the convenient performance in the good use based on the optics channeling conduct.

To achieve these goals, this utility model adopts following technical scheme: a kind of guide device of endotracheal tube, mainly form by handle, element storehouse, stay pipe and optical fiber; Optical fiber is arranged at stay pipe inside and arrives at the two ends of stay pipe; Stay pipe passes the lower end of handle and arrives at the inside of handle, and the end of stay pipe is connected with the lower end in element storehouse, and the position relation between handle and the stay pipe is relatively-movable; The element storehouse is nested with handle; Position relation between handle and the element storehouse is relatively-movable, and wherein: be provided with battery, light source, control circuit in the element storehouse, the light that light source produces is directed to the outside through optical fiber; It is characterized in that: the upper end of handle is open, and the element storehouse can be moved into handle inside, and the element storehouse also can be moved into handle outer.

Above-mentioned guide device of endotracheal tube, control circuit is made up of switch and lead.

Above-mentioned guide device of endotracheal tube is provided with display lamp in the upper end in element storehouse.

Above-mentioned guide device of endotracheal tube is provided with elastic sealing film in the upper end in element storehouse, is used for the inner body and the circuit in protecting component storehouse.

Above-mentioned guide device of endotracheal tube, light source are semiconductor laser or light emitting diode or bulb.

Above-mentioned guide device of endotracheal tube, stay pipe adopt softish metal tube.

This utility model is through separating handle with electronic component; Electronic component is concentrated to be encapsulated in one independently in the element storehouse; And the upper end of handle is open, and the length of handle does not influence moving of element storehouse, thereby makes stay pipe obtain very big mobile range; The utlity model has the very wide scope of application, simple in structure, reliability is high, the beneficial effect of low cost of manufacture; The utlity model has substantive progressive.

Description of drawings

Fig. 1 is the three-dimensional perspective of a specific embodiment of this utility model;

Fig. 2 is that the IA-IA line in Fig. 1 cuts open the cutaway view of obtaining, and promptly dissects along the plane that the IA-IA line is represented, the internal structure of specific embodiment shown in Figure 1 is described;

Fig. 3 is the enlarged drawing of the local B among Fig. 2;

Fig. 4 is a side view of specific embodiment shown in Figure 1, is used to explain the residing state of this specific embodiment;

Fig. 5 also is a side view of specific embodiment shown in Figure 1, is used to explain residing another state of this specific embodiment;

Fig. 6 is that the endotracheal tube with a kind of model is inserted in specific embodiment shown in Figure 1 and adjusts the 3 D stereo sketch map of this specific embodiment after the proper states;

Fig. 7 is that the endotracheal tube with another kind of model is inserted in specific embodiment shown in Figure 1 and adjusts the 3 D stereo sketch map of this specific embodiment after the proper states;

Wherein: 1-element storehouse, 2-handle, 3-stay pipe, 4-silica gel seat, 5-battery, 6-light source, 7-optical fiber, 8-plastic housing, 9-switch, 10-endotracheal tube one, 11-endotracheal tube two, 12-display lamp, 13-elastic sealing film, 14-element storehouse shell.

The specific embodiment

Enumerate a specific embodiment below and combine accompanying drawing that the specific embodiment of this utility model is specified.

Like a specific embodiment of this utility model of Fig. 1-shown in Figure 7, this specific embodiment is made up of handle 2, element storehouse 1, stay pipe 3 and optical fiber 7, wherein: as shown in Figures 2 and 3; In element storehouse 1, be provided with battery 5, light source 6 and control circuit; Light source 6 adopts the quasiconductor red laser, and battery 5 adopts not chargeable lithium cell, and control circuit is formed (lead is not shown in figures) by switch 9 and lead; Be provided with elastic sealing film 13 in the upper end in element storehouse 1; Elastic sealing film 13 contacts with switch 9, and elastic sealing film 13 is used for waterproof sealing is carried out in element storehouse 1, and elastic sealing film 13 adopts the silica gel material manufacturing; Elastic sealing film 13 next doors in 1 upper end, element storehouse are provided with a display lamp 12, and display lamp 12 adopts light emitting diode, and display lamp 12 is also carried out waterproof sealing to be handled, and element storehouse shell 14 (shell in element storehouse 1) adopts the plastics manufacturing; Stay pipe 3 adopts soft and corrosion resistant metal capillary; User can be adjusted the curved shape of stay pipe 3 according to actual needs; For example use pipe thickness to have only the titanium memorial alloy capillary tube of 0.2mm, specifically use which kind of metal capillary to select according to the market demand; Handle 2 is made up of plastic housing 8 and silica gel seat 4; Plastic housing 8 borings and both ends open up and down; Plastic housing 8 both sides also are provided with two cracks with convenient sterilizing and minimizing material consumption; There is the centre bore of a up/down perforation bosom position of silica gel seat 4, and the aperture in this hole external diameter than stay pipe 3 slightly is little, and silica gel seat 4 is fixed on the lower end of plastic housing 8.

Optical fiber 7 is arranged at stay pipe 3 inside and arrives at the two ends of stay pipe 3; And the length of the about 1mm in outside, stay pipe 3 two ends is stretched out at the two ends of optical fiber 7 respectively; Use glue sealing to reach the waterproof purpose between the front end of optical fiber 7 and the stay pipe 3 front end inside, polishing is all carried out to strengthen light transmittance in the two ends of optical fiber 7, and optical fiber 7 uses the flexible material manufacturing; As adopt transparent plastic, optical fiber 7 can follow stay pipe 3 flexural deformation together.Stay pipe 3 pass handle 2 lower ends silica gel seat 4 centre bore and arrive at the inside of the plastic housing 8 of handle 2; Because the aperture of the centre bore of silica gel seat 4 external diameter than stay pipe 3 slightly is little; And silica gel is elastomeric material; So have frictional force between silica gel seat 4 and the stay pipe 3; Relying on this frictional force to realize fixing between handle 2 and the stay pipe 3, be after the thrust of stay pipe 3 trends or pulling force, just can make between handle 2 and the stay pipe 3 to relatively move but stay pipe 3 (or element storehouse 1) is applied intensity greater than this frictional force and direction, so the position between handle 2 and the stay pipe 3 concerns it is relatively-movable.The end of stay pipe 3 is connected with the lower end in element storehouse 1 and uses glue to carry out waterproof sealing and handle; Being connected between stay pipe 3 and the element storehouse 1 is fixed, and relatively moving between element storehouse 1 and the handle 2 means relatively move (vice versa) between stay pipe 3 and the handle 2.Stay pipe 3 is along with element storehouse 1 move together (vice versa); Element storehouse 1 can partly move in the handle 2; Element storehouse 1 also can move to handle 2 outsides from the open upper end of handle 2 fully, and promptly the relation of the position between element storehouse 1 and the handle 2 is a nest relation, like Fig. 4 and shown in Figure 5.

The end of optical fiber 7 contacts with the transmitting terminal of light source 6 or both distance nearly (as apart from the 3mm), the red laser that light source 6 produces through the guiding of optical fiber 7 and from the front end emission of optical fiber 7 to outside.

Endotracheal tube 1 shown in Fig. 6 and the endotracheal tube 2 11 shown in Fig. 7 all are the endotracheal tubes of third party's manufacturer production, belong to consumptive material, do not belong to the ingredient of this utility model.Endotracheal tube 1 belongs to different model respectively with endotracheal tube 2 11, and length is different, and endotracheal tube 1 is big model, is applicable to the adult; Endotracheal tube 2 11 is than ting model, is applicable to children's.Though endotracheal tube 1 is different with endotracheal tube 2 11 length, the two end all contacts with the silica gel seat 4 of handle 2.User is carrying out to patient in the process of intubate; Hands is the position between the following three/two-stage nitration of end and handle 2 of grasping endotracheal tube all the time; The difference of endotracheal tube model does not influence the position of user grasping, thereby obtains good hand feeling and splendid operating characteristics.Silica gel seat 4 relies on the strain of self and the endotracheal tube end is blocked.Because the upper end of handle 2 is open; Do not influence moving of element storehouse 1; Thereby make this specific embodiment of this utility model possess the very wide scope of application, that is: be applicable to the big model endotracheal tube that length is very long, also be applicable to the ting model endotracheal tube that length is very short.During use, user need move stay pipe 3 through moving meter storehouse 1, and is easy to operate like this and laborsaving, because the external diameter in element storehouse 1 is big and frictional force is bigger.This specific embodiment of this utility model is 201110200523.7 than application number, and the one Chinese patent application of (name is called " a kind of tracheal intubation optical wand of adjustable length ") has the wider scope of application, and structure is simpler, reliability is higher, manufacturing cost is lower, use is more convenient.

In sum; This utility model is through separating with electronic component handle 2 with control circuit; Electronic component and control circuit are concentrated to be encapsulated in one independently in the element storehouse 1; And the upper end of handle 2 is open, and handle 2 does not influence the motion in element storehouse 1, thereby makes stay pipe 3 obtain very big mobile range; Realized the very wide scope of application, easy to use, simple in structure, reliability is high, the beneficial effect of low cost of manufacture; This utility model possesses substantive progressive.

In this manual, optical fiber 7 and stay pipe 3 all are elongated and deformable parts, and that the near end of human body that leaves according to the distance relation that in use leaves human body with optical fiber 7 and stay pipe 3 is nominally front end, and that end of distance is nominally end; For the two ends of other parts, be nominally the upper end according to that end that in use is in the higher position, that end that is in lower position is nominally the lower end, like Fig. 6 and shown in Figure 7.

Claims

1. guide device of endotracheal tube; Mainly form by handle (2), element storehouse (1), stay pipe (3) and optical fiber (7); Optical fiber (7) is arranged at stay pipe (3) inside and arrives at the two ends of stay pipe (3); Stay pipe (3) passes the lower end of handle (2) and arrives at the inside of handle (2), and the end of stay pipe (3) is connected with the lower end of element storehouse (1), and the position relation between handle (2) and the stay pipe (3) is relatively-movable; Element storehouse (1) is nested with handle (2); Position relation between handle (2) and element storehouse (1) is relatively-movable, and wherein: be provided with battery (5), light source (6), control circuit in element storehouse (1), the light that light source (6) produces is directed to the outside through optical fiber (7); It is characterized in that: the upper end of handle (2) is open, and element storehouse (1) can be moved into handle (2) inside, and element storehouse (1) also can be moved into handle (2) outside.

2. guide device of endotracheal tube according to claim 1 is characterized in that: control circuit is made up of switch (9) and lead.

3. guide device of endotracheal tube according to claim 1 is characterized in that: in the upper end of element storehouse (1) display lamp (12) is set.

4. guide device of endotracheal tube according to claim 1 is characterized in that: in the upper end of element storehouse (1) elastic sealing film (13) is set, is used for the inner body and the circuit in protecting component storehouse (1).

5. guide device of endotracheal tube according to claim 1 is characterized in that: light source (6) is semiconductor laser or light emitting diode or bulb.

6. guide device of endotracheal tube according to claim 1 is characterized in that: stay pipe (3) adopts softish metal tube.