CN207898749U - Animal tracheal catheter - Google Patents

Abstract

The utility model discloses a kind of animal tracheal catheters, it include the catheter body being made of the inner sleeve of gap package and outer tube, outer tube both ends are connected with the sealing of inner sleeve pipe outer wall and form the sealing cavity at middle part, outer tube front end is installed with the expanded balloon being connected with sealing cavity, sealing extends and is pierced by the middle part of the self expandable air bag of inner sleeve front end, the wedge shaped structure in outer end；Outer tube is installed with the inflating catheter being connected with sealing cavity close to rear end, and support fin is circumferentially evenly arranged on outer tube side wall, wherein a support fin is marked with scale marker；Catheter body rear end is provided with connecting tube, the caliber of connecting tube is more than the caliber of inner sleeve and is connected with inner sleeve by the taper type interconnecting piece of front end, and connecting tube back-end sealing fastens the rubber closure for having middle part with perforation.The utility model advantage be it is simple in structure, it is easy to operate；Intubation difficulty is reduced, arteria carotis is avoided damage to, improves safety and the working efficiency of intubation.

Description

Animal tracheal catheter

Technical field

The utility model is related to animal surgery and experimental fields, more particularly, to a kind of animal tracheal catheter.

Background technology

Endotracheal intubation is often used when being performed the operation or being tested to animal body, by oral cavity or directly cuts off gas Pipe inserts the catheter into animal tracheal strips；It is a kind of technology of endotracheal anesthesia and rescue animal, it is unobstructed is also to maintain the upper respiratory tract Most reliable means.Endotracheal intubation is a safety measure for implementing anesthesia, occurs that progress tracheae is needed to insert when following situation Guan Shu:Respiratory tract is difficult to ensure unobstructed animal when 1, general anesthesias, such as carries out encephalic operation, open chest surgery, needs prone position Or the general anesthesia operation of the special postures such as seat；Tumor colli tracheas suppressed, jaw, face, neck, five official rank general anesthesia major operations, Yi Jiji Spend the anesthesia surgery of obese animal；GENERAL ANESTHETICS has breathing the animal of apparent inhibition or application muscle relaxant, should all carry out tracheae and insert Guan Shu.2. when critical animal rescue, endotracheal intubation has played important function；Respiratory failure needs to carry out the dynamic of mechanical ventilation When object, CPR, drug poisoning and severe asphyxia, it is necessary to row endotracheal intubation.3. certain special anesthesia：As and with drop Wen Shu, decompression art and Intravenous Procaine Anesthesia etc. are both needed to be intubated in the existing tracheae of animal.

When the existing progress trachea cannula to animal, usually first animal tracheae is separated, is then worn below tracheae A silk thread is crossed, silk thread is lifted and cuts off tracheae, be inserted into tracheal catheter later and is knotted at the place of cutting off.Existing no special needle To the trachea cannula of animal, it is one section of woven hose of interception, one end of woven hose is then cut into a wedge-shaped opening, through the wedge shape Mouth is inserted into animal tracheal strips；Entire catheterization procedure needs cut and trim woven hose, reserved silk thread, silk ligature etc., and operation is non- It is often cumbersome；And it is unable to judge accurately insertion depth, insertion is too deep to cause unilateral side without scale marker on existing woven hose Pulmonary ventilation, was inserted into shallow, was easy to fall off；The arteria carotis that tracheae both sides are easily damaged when in addition, wearing silk thread to tracheae lower section, makes At massive haemorrhage；Simultaneously as there is secretion in animal airway, therefore need that periodically secretion is sucked out after trachea cannula, avoids blocking up Air flue is filled in, existing animal with tracheal catheter is transformed by woven hose, and front and back caliber is consistent, and sputum aspirator tube is not easy to be inserted into, Animal death by suffocation is easily led to when inserting sputum aspirator tube, and friction is small for woven hose, is easy to fall off after being connected with lung ventilator pipe, once It was found that may result in animal death by suffocation not in time.

Invention content

The utility model aim is to provide a kind of simple in structure, easy to operate, safe and efficient animal tracheal catheter.

To achieve the above object, the utility model can take following technical proposals：

Animal tracheal catheter described in the utility model includes being led by what the inner sleeve of gap package and outer tube were constituted Tube body, the outer tube both ends are connected with inner sleeve pipe outer wall sealing and form the sealing cavity at middle part, and outer tube front end is solid Equipped with the expanded balloon being connected with the sealing cavity, inner sleeve front end sealing from the middle part of the expanded balloon extends through Go out, the wedge shaped structure in outer end；The inflation being connected with the sealing cavity is installed with close to rear end in the outer tube Conduit, be circumferentially evenly arranged on outer tube side wall with its support fin consistent in length, wherein on a support fin Scale marker is indicated along its length；The catheter body rear end is provided with connecting tube, the caliber of the connecting tube is more than institute It states the caliber of inner sleeve and is connected with inner sleeve by the taper type interconnecting piece of front end, connecting tube back-end sealing fastening has middle part Rubber closure with perforation.

The arc-shaped supporting surface in outer surface of the support fin.

The expanded balloon antetheca is recessed inwardly to form bowl-type thickening supporting surface.

The utility model advantage be it is simple in structure, without in advance processing be transformed, it is easy to operate；Without pre- below tracheae Silk thread is stayed, intubation difficulty is reduced, avoids damage to arteria carotis, improve safety and the working efficiency of intubation；Expanded balloon is filled Tracheal catheter can be fixed after gas, prevents from sliding, and avoid damage to animal tracheal wall, while ensureing airway patency；Outer tube side wall On the support fin that is uniformly arranged in the circumferential direction can reduce catheter body on unit area the pressure of animal tracheal wall is avoided inserting The pipe operating time is long to lead to animal tracheal wall ischemic necrosis, and supports the scale marker on fin, can accurate judgement be inserted into Depth prevents and is inserted into too deep One-lung ventilation or was inserted into shallow the phenomenon that falling off；Catheter body rear end is connected by taper type The connecting tube of socket part connection, facilitates the insertion of sputum aspirator tube, animal is avoided to suffocate；Rubber closure with perforation is convenient and external Lung ventilator pipe closely connects.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 be in Fig. 1 A-A to section amplification figure.

Fig. 3 is the structural schematic diagram of rubber closure in Fig. 1.

Specific implementation mode

As shown in Figs. 1-3, animal tracheal catheter described in the utility model includes 1 He of inner sleeve by gap package The catheter body that outer tube 2 is constituted, 2 both ends of outer tube are connected with the sealing of 1 outer wall of inner sleeve and form the sealing cavity 3 at middle part, outside 2 front end of casing is installed with the expanded balloon 4 being connected with sealing cavity 3, and 4 antetheca of expanded balloon is recessed inwardly to form bowl-type thickening Supporting surface 12 can be close to animal tracheal wall after the expansion of expanded balloon 4, reduce gap, avoid sputum from accumulating, sputum is made to be sucked out More completely；1 front end self expandable air bag of inner sleeve, 4 middle part sealing, which extends, to be pierced by, and the wedge shaped structure of traversing through end facilitates conduit sheet Body is inserted into animal tracheal strips.The inflating catheter 5 being connected with sealing cavity 3 is installed with close to rear end in outer tube 2, pass through to Inflation makes expanded balloon 4 expand in inflating catheter 5, to which catheter body is fixed on animal tracheal strips；In addition, for convenience of grasping Make, prevent gas leakage, inflating catheter 5 to be the conduit of the one-way flow gas into sealing cavity 3, it certainly also can be in inflating catheter 5 Outer end setting seals end cap to prevent the gas in expanded balloon 4 from leaking outside.Since animal tracheal wall is relatively thin, in outer tube 2 Circumferentially be evenly arranged on side wall with its support fin 6 consistent in length, by supporting fin 6 to prop up animal tracheal wall, To make support fin 6 be bonded with animal tracheal wall, the arc-shaped supporting surface in outer surface of fin 6 is supported, and circumferential along outer tube 2 Five support fins 6 of setting, it is in the plum blossom-shaped structure of five valves to make outer tube section, and the conduit of same diameter increases animal tracheal wall Contact area between trachea cannula effectively reduces catheter body on unit area and avoids inserting to the pressure of animal tracheal wall The pipe operating time is long to lead to animal tracheal wall ischemic necrosis.For accurate judgement insertion depth, prevent from being inserted into too deep appearance list Side pulmonary ventilation or be inserted into it is shallow there is obscission, wherein one support fin 6 on indicate scale marker 7 along its length；It is leading Tube body rear end is provided with connecting tube 8, and the caliber of connecting tube 8 is more than the caliber of inner sleeve 1 and is connected by the taper type of front end Portion 9 is connected with inner sleeve 1, and the sputum aspirator tube of sputum aspirator is facilitated to be inserted into, and the suction sputum operating time is avoided long animal to be caused to be suffocated；Separately 8 back-end sealing of external connecting tube fastens the rubber closure 11 for having middle part with perforation 10, the external direct perforated of lung ventilator pipe 10 penetrate, and increase the frictional force between lung ventilator pipe and rubber closure 11 while sealing, avoid falling off.

Claims (3)

1. a kind of animal tracheal catheter, it is characterised in that：It include the inner sleeve by gap package（1）And outer tube（2）It constitutes Catheter body, the outer tube（2）Both ends and the inner sleeve（1）Outer wall sealing, which is connected, forms the sealing cavity at middle part（3）, Outer tube（2）Front end is installed with and the sealing cavity（3）The expanded balloon being connected（4）, the inner sleeve（1）Front end is from institute State expanded balloon（4）Middle part sealing, which extends, to be pierced by, the wedge shaped structure in outer end；In the outer tube（2）It is solid close to rear end Equipped with the sealing cavity（3）The inflating catheter being connected（5）, outer tube（2）Circumferentially be evenly arranged on side wall and its Support fin consistent in length（6）, wherein a support fin（6）On indicate scale marker along its length（7）；Described Catheter body rear end is provided with connecting tube（8）, the connecting tube（8）Caliber be more than the inner sleeve（1）Caliber and pass through The taper type interconnecting piece of front end（9）With inner sleeve（1）It is connected, connecting tube（8）Back-end sealing fastening has middle part with perforation （10）Rubber closure（11）.

2. animal tracheal catheter according to claim 1, it is characterised in that：The support fin（6）Outer surface be in Curved support face.

3. animal tracheal catheter according to claim 1 or 2, it is characterised in that：The expanded balloon（4）Antetheca is inside Recess forms bowl-type and thickeies supporting surface（12）.