CN218606931U

CN218606931U - Novel tracheal catheter device for animal experiments

Info

Publication number: CN218606931U
Application number: CN202221811793.1U
Authority: CN
Inventors: 吴平; 樊玉华; 唐瑶云; 李鑫
Original assignee: Xiangya Hospital of Central South University
Current assignee: Xiangya Hospital of Central South University
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2023-03-14
Anticipated expiration: 2032-07-13

Abstract

The utility model discloses a novel endotracheal tube device for animal experiments relates to animal experiments field, including inhaling the phlegm pipe, the inside nestification of inhaling the phlegm pipe has the pjncture needle, the upper portion pipe shaft of inhaling the phlegm pipe is connected with the extension pipe, inhale and cup jointed spacing subassembly on the phlegm pipe, it includes straight pipe shaft to inhale the phlegm pipe, the surface of straight pipe shaft is provided with the scale mark, the top of straight pipe shaft is fixed with the tube socket, the inside of tube socket is seted up flutedly, the pjncture needle includes the nook closing member, the upper end of nook closing member is fixed with the socket, the socket nestification is in the recess, the nook closing member runs through outside straight pipe shaft and stretch out straight pipe shaft, the top of socket is fixed with the needle handle. The utility model discloses an inside nested pjncture needle that has at the straight tube body, drive the straight tube body through the pjncture needle and go deep into, extract the pjncture needle again for inhale inserting simple and convenient of phlegm pipe, and be provided with scale mark and spacing subassembly on one's body at the straight tube, can avoid inserting the too dark damage that causes the experimental animals.

Description

Novel tracheal catheter device for animal experiments

Technical Field

The utility model relates to an animal experiment field, concretely relates to novel endotracheal tube device for animal experiments.

Background

Animal experiments refer to scientific research conducted in laboratories using animals in order to gain new knowledge about biology, medicine, etc., or to solve specific problems. Animal experiments must be performed by or under the direction of trained, research or professional skilled personnel. In medical research, animal experiments are often performed in rats, guinea pigs, rabbits, and the like. In animal experiments, certain instruments are often needed for the purposes of inhalation anesthesia, intraoperative airway management, postoperative respiratory maintenance and the like. One of them is a tracheal tube for animal experiments. Most endotracheal tubes are flexible tubes.

At present, easy hemorrhage leads to stifling behind animal trachea injury, consequently need the endotracheal tube as trachea cannula, can prevent that the trachea from bleeding and leading to stifling, plays the oppression effect simultaneously, nevertheless because endotracheal tube is the hose, the texture is softer, and its part that is in the trachea receives easy jam after the extrusion, and is difficult to control the depth of insertion.

Therefore, it is necessary to invent a new endotracheal tube device for animal experiments to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel endotracheal tube device for animal experiments to solve and propose among the above-mentioned background art because endotracheal tube is the hose, the texture is softer, and its part that is in the trachea receives to block up easily after the extrusion, and is difficult to control the problem of depth of insertion.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a novel endotracheal tube device for animal experiments, is including inhaling the phlegm pipe, the inside nestification of inhaling the phlegm pipe has the pjncture needle, it adopts stainless steel processing to make to inhale the phlegm pipe, the upper portion shaft of inhaling the phlegm pipe is connected with the extension pipe, inhale and has cup jointed spacing subassembly on the phlegm pipe, it includes straight shaft, the surface of straight shaft is provided with the scale mark, the top of straight shaft is fixed with the tube socket, the recess has been seted up to the inside of tube socket, the outside of tube socket is connected with the connecting wire, the one end that the tube socket was kept away from to the connecting wire is connected with the sealing plug, sealing plug and recess phase-match, the pjncture needle includes the nook closing member, the upper end of nook closing member is fixed with the socket, the socket nestification is in the recess, the nook closing member runs through straight shaft and stretches out outside the straight shaft, the top of socket is fixed with the needle handle, spacing subassembly includes the limiting plate, the inside of limiting plate has seted up the sliding chamber, the rear side of limiting plate is seted up and is equipped with the opening, the inside slip is slided and is equipped with the movable block, the movable plate, the equidistant spring of extrusion both sides have all seted up on the extrusion hole about the second extrusion hole.

Preferably, the upper portion outside of straight tube body is fixed with the connecting seat, the thread groove has been seted up on the connecting seat, the one end that the extension pipe is close to inhales the phlegm pipe is connected with threaded connection head, the thread of threaded connection head is nested in the thread groove for be connected simply between extension pipe and the straight tube body, thereby make extension pipe and inhale and be connected simply between the phlegm pipe, be convenient for simultaneously extension pipe and inhale the dismantlement between the phlegm pipe.

Preferably, the front, the rear, the left and the right of the groove are provided with clamping grooves, the front, the rear, the left and the right of the socket are fixed with clamping blocks, and the clamping blocks are embedded in the clamping grooves, so that the socket and the pipe seat are firmly connected, the puncture needle and the sputum suction pipe are firmly connected, and the puncture needle can drive the sputum suction pipe to go deep.

Preferably, the movable plate is slidably connected with the sliding cavity, one end of the spring is connected with the inner wall of the sliding cavity, the other end of the spring is abutted against the movable plate, and the movable plate is pushed by the elastic force of the spring, so that the inner wall of the second extrusion hole in the movable plate extrudes the straight pipe body.

Preferably, a pressing block is fixed at the front end of the moving block, and the pressing block and the moving block are integrally machined and formed with the moving block, so that the pressing block, the moving block and the moving block are high in connection strength and convenient to machine and form.

Preferably, the diameter in first extrusion hole and second extrusion hole is the same, straight tube body runs through first extrusion hole and second extrusion hole, the rubber pad has all been pasted to the inner wall in first extrusion hole and second extrusion hole, can avoid the inner wall in first extrusion hole and second extrusion hole to cause wearing and tearing to the pipe wall of straight tube body through the rubber pad, has protected straight tube body.

Preferably, connecting seat and tube socket all with straight tube body between the integration machine-shaping, the sealing plug adopts silica gel material processing to make, the extension pipe sets up to the hose, can seal the recess when the pjncture needle is taken out through the sealing plug, avoids gas leakage.

Preferably, the lower extreme of straight tube body is the toper setting, and the lower extreme pipe wall diameter from the top down of straight tube body reduces in proper order, makes things convenient for inserting of straight tube body, and reduces the injury that causes when straight tube body inserts.

In the technical scheme, the utility model provides a technological effect and advantage:

1. the straight tube body made of stainless steel is arranged on the sputum suction tube, so that the straight tube body is prevented from being extruded by peripheral tissues to cause tube cavity blocking or stenosis after the puncture needle is withdrawn, a channel is always unblocked, the puncture needle is embedded in the straight tube body, the straight tube body is driven to go deep through the puncture needle, and the puncture needle is pulled out, so that the sputum suction tube is simple and convenient to insert;

2. through threaded connection between extension pipe and the phlegm suction pipe for the installation is simple and convenient between extension pipe and the phlegm suction pipe, convenient to detach changes simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of the overall structure of the present invention;

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

FIG. 3 is a schematic view of the sputum aspirator structure of the present invention;

FIG. 4 is a schematic view of the structure of the puncture needle of the present invention;

FIG. 5 is a schematic view of the extension tube of the present invention;

fig. 6 is a schematic structural view of the limiting assembly of the present invention;

fig. 7 is a schematic view of the spacing assembly of the present invention;

fig. 8 is the limiting plate section view of bowing.

Description of reference numerals:

1 sputum suction pipe, 11 straight pipe bodies, 12 scale marks, 13 connecting seats, 14 pipe seats, 15 grooves, 16 clamping grooves, 17 connecting lines, 18 sealing plugs and 19 thread grooves;

2 puncture needle, 21 needle core, 22 socket, 23 fixture block and 24 needle handle;

3, extending pipes and 31 threaded connectors;

the device comprises a 4 limiting component, a 41 limiting plate, a 42 sliding cavity, a 43 opening, a 44 moving block, a 45 spring 46, a first extrusion hole, a 47 second extrusion hole, a 48 moving plate and a 49 pressing block.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the attached drawings.

The utility model provides a novel endotracheal tube device for animal experiments as shown in fig. 1-4 and fig. 6-8, including inhaling phlegm pipe 1, it adopts stainless steel processing to make to inhale phlegm pipe 1, it has pjncture needle 2 to inhale the inside nestification of phlegm pipe 1, the upper portion shaft of inhaling phlegm pipe 1 is connected with extension tube 3, it has spacing subassembly 4 to cup joint on the phlegm pipe 1 to inhale phlegm pipe, it includes straight pipe body 11 to inhale phlegm pipe 1, the surface of straight pipe body 11 is provided with scale mark 12, the top of straight pipe body 11 is fixed with tube socket 14, recess 15 has been seted up to the inside of tube socket 14, the outside of tube socket 14 is connected with connecting wire 17, the one end that tube socket 14 was kept away from to connecting wire 17 is connected with

sealing plug

18, 18 and recess 15 phase-match, pjncture needle 2 includes nook 21, the upper end of nook 21 is fixed with socket 22, socket 22 is nested in recess 15, nook closing plug 21 runs through straight pipe body 11 and stretches out straight pipe body 11, socket 22's top is fixed with needle handle 24, spacing subassembly 4 includes limiting block 44, spacing board 42 is equipped with the inside spacing interval 48 before the extrusion limiting plate 48 of second moving block 42, the lateral wall 48 has all seted up a moving block 48 is provided with the inside extrusion limiting plate 48.

The moving plate 48 is slidably connected with the sliding cavity 42, one end of the spring 45 is connected with the inner wall of the sliding cavity 42, the other end of the spring 45 is abutted against the moving plate 48, and the moving plate 48 is pushed by the elastic force of the spring 45, so that the inner wall of the second extrusion hole 47 on the moving plate 48 extrudes the straight pipe body 11.

A pressing block 49 is fixed at the front end of the moving block 44, and the pressing block 49 and the moving block 48 are integrally formed with the moving block 44, so that the connection strength between the pressing block 49 and the moving block 44 as well as between the moving block 48 and the moving block 44 is high, and the processing and forming are convenient.

The lower extreme of straight tube shaft 11 is the toper setting, and the lower extreme pipe wall diameter from the top down of straight tube shaft 11 reduces in proper order, makes things convenient for inserting of straight tube shaft 11, and reduces the injury that causes when straight tube shaft 11 inserts.

The implementation mode is specifically as follows: the needle core 21 on the puncture needle 2 sequentially penetrates through the tube seat 14 and the straight tube body 11 on the sputum suction tube 1, the socket 22 at the top end of the needle core 21 is nested in the groove 15 on the tube seat 14, meanwhile, the lower end of the stylet 21 extends out of the straight tube body 11, the limit plate 41 and the press block 49 on the limit component 4 are pressed down at the same time, the press block 49 extrudes the moving block 44, then, the moving plate 48 is pressed, so that the moving plate 48 presses the spring 45 to force the spring 45 to contract, so that the moving plate 48 slides in the sliding cavity 42 of the position limiting plate 41, so that the circular alignment of the first and second pressing

holes

46 and 47 unlocks the straight tube body 11, moves the stopping assembly 4, and determines the height of the stopping assembly 4 through the scale marks 12 on the straight tube body 11, the depth of the straight tube body 11 to be inserted is determined by the height of the limiting component 4 on the straight tube body 11, the needle handle 24 on the puncture needle 2 is pinched, the tip of the needle core 21 is aligned with the trachea of the experimental animal, then the insertion is carried out, the needle core 21 drives the straight tube body 11 to go deep into the animal trachea, so that the sputum suction tube 1 is simple and convenient to insert until the limiting component 4 is contacted with the skin of the animal, the damage to the experimental animal caused by the over-deep insertion is effectively avoided, then the straight tube body 11 is pressed, the puncture needle 2 is extracted, and the sealing plug 18 is plugged in the groove 15 for sealing, the sputum suction tube 1 is made of stainless steel, so that the straight tube body 11 is prevented from being extruded by peripheral tissues to cause the blockage or the stenosis of the tube cavity after the puncture needle 2 is withdrawn, the channel is always smooth, the subsequent operation can be smoothly carried out, the embodiment solves the problems that the tracheal catheter in the prior art is soft and has soft texture, the part of the artificial trachea is easy to block after being extruded, and the insertion depth is difficult to control.

As shown in fig. 2-5, the upper portion outside of straight pipe body 11 is fixed with connecting seat 13, threaded groove 19 has been seted up on connecting seat 13, the one end that extension pipe 3 is close to inhale phlegm pipe 1 is connected with threaded connection head 31, threaded connection head 31 screw thread nestification is in threaded groove 19 for be connected simply between extension pipe 3 and the straight pipe body 11, thereby make extension pipe 3 and inhale and be connected simply between the phlegm pipe 1, be convenient for simultaneously extension pipe 3 and inhale the dismantlement between the phlegm pipe 1.

The four sides of the groove 15 are respectively provided with a clamping groove 16, the four sides of the socket 22 are respectively fixed with a clamping block 23, and the clamping blocks 23 are embedded in the clamping grooves 16, so that the socket 22 and the tube seat 14 are firmly connected, the puncture needle 2 and the sputum suction tube 1 are firmly connected, and the puncture needle 2 can drive the sputum suction tube 1 to go deep.

The implementation mode specifically comprises the following steps: threaded connection between the threaded connection head 31 on the extension tube 3 and the connection seat 13 on the straight tube body 11, make to be connected between extension tube 3 and the straight tube body 11 simple and convenient, convenient to detach simultaneously, can dismantle extension tube 3 from the straight tube body 11 and wash disinfection or change, socket 22 on the pjncture needle 2 nests in inhaling the recess 15 on the phlegm pipe 1 in the time, fixture block 23 nestification around the socket 22 is in the draw-in groove 16 around the recess 15, increased the area of contact between socket 22 and the recess 15, it is firm to make socket 22 install in the recess 15, be difficult for breaking away from easily, thereby it is firm to make pjncture needle 2 and inhale and be connected between the phlegm pipe 1, thereby it is deep that the pjncture needle 2 drives and inhales phlegm pipe 1 to be convenient for.

As shown in fig. 2 and fig. 7 to 8, the diameters of the first extrusion hole 46 and the second extrusion hole 47 are the same, the straight pipe body 11 penetrates through the first extrusion hole 46 and the second extrusion hole 47, rubber pads are adhered to the inner walls of the first extrusion hole 46 and the second extrusion hole 47, and the rubber pads can prevent the inner walls of the first extrusion hole 46 and the second extrusion hole 47 from wearing the pipe wall of the straight pipe body 11, so that the straight pipe body 11 is protected.

Connecting seat 13 and tube socket 14 all with straight tube body 11 between the integration machine-shaping, sealing plug 18 adopts the processing of silica gel material to make, extension pipe 3 sets up to the hose, can seal recess 15 when pjncture needle 2 takes out through sealing plug 18, avoids leaking gas.

The implementation mode is specifically as follows: the rubber pad has all been pasted to the inner wall in first extrusion hole 46 and second extrusion hole 47, when the inner wall of first extrusion hole 46 and second extrusion hole 47 extruded straight tube body 11, the rubber pad can separate the surface of straight tube body 11 and the inner wall in first extrusion hole 46 and second extrusion hole 47, avoid the surface of straight tube body 11 and the inner wall direct contact in first extrusion hole 46 and second extrusion hole 47 to avoid causing wearing and tearing to the outer wall of straight tube body 11, straight tube body 11 has been protected.

Certain exemplary embodiments of the present invention have been described above by way of illustration only, and it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive on the scope of the appended claims.

Claims

1. The utility model provides a novel endotracheal tube device for animal experiments, includes phlegm suction pipe (1), its characterized in that: the sputum suction tube is characterized in that a puncture needle (2) is nested in the sputum suction tube (1), the sputum suction tube (1) is made of stainless steel materials, an upper tube body of the sputum suction tube (1) is connected with an extension tube (3), a limiting assembly (4) is sleeved on the sputum suction tube (1), the sputum suction tube (1) comprises a straight tube body (11), scale marks (12) are arranged on the surface of the straight tube body (11), a tube seat (14) is fixed at the top end of the straight tube body (11), a groove (15) is formed in the tube seat (14), a connecting wire (17) is connected to the outer side of the tube seat (14), one end, far away from the tube seat (14), of the connecting wire (17) is connected with a connecting wire (18), the needle core (18) is matched with the groove (15), the puncture needle sealing plug (2) comprises a needle core (21), a socket (22) is fixed at the upper end of the needle core (21), the socket (22) is nested in the groove (15), the needle core (21) penetrates through the straight tube body (11) and extends out of the straight tube body, a limiting plate (41) is provided with a limiting plate (41), and a limiting plate (41) is arranged on the top of the limiting plate (41), a moving block (44) is slidably nested in the opening (43), a moving plate (48) is fixed to the front end of the moving block (44), springs (45) are arranged between the front side wall of the moving block (44) and the front side wall of the sliding cavity (42) at equal intervals, first extrusion holes (46) are formed in the upper side and the lower side of the limiting plate (41), and second extrusion holes (47) are formed in the moving plate (48).

2. The novel endotracheal tube device for animal experiments according to claim 1, characterized in that: the upper portion outside of straight pipe shaft (11) is fixed with connecting seat (13), thread groove (19) have been seted up on connecting seat (13), the one end that extension pipe (3) are close to inhale phlegm pipe (1) is connected with threaded connection head (31), threaded connection head (31) screw thread nestification is in thread groove (19).

3. The novel endotracheal tube device for animal experiments according to claim 1, characterized in that: clamping grooves (16) are formed in the front, the rear, the left and the right of the groove (15), clamping blocks (23) are fixed on the front, the rear, the left and the right of the socket (22), and the clamping blocks (23) are nested in the clamping grooves (16).

4. The novel endotracheal tube device for animal experiments according to claim 1, characterized in that: the movable plate (48) is in sliding connection with the sliding cavity (42), one end of the spring (45) is connected with the inner wall of the sliding cavity (42), and the other end of the spring (45) is abutted to the movable plate (48).

5. The novel tracheal catheter device for animal experiments as claimed in claim 1, wherein: a pressing block (49) is fixed at the front end of the moving block (44), and the pressing block (49) and the moving block (48) are integrally machined and formed with the moving block (44).

6. The novel tracheal catheter device for animal experiments as claimed in claim 1, wherein: the diameter of first extrusion hole (46) and second extrusion hole (47) is the same, straight pipe shaft (11) run through first extrusion hole (46) and second extrusion hole (47), the rubber pad has all been pasted to the inner wall of first extrusion hole (46) and second extrusion hole (47).

7. The novel endotracheal tube device for animal experiments according to claim 2, characterized in that: connecting seat (13) and tube socket (14) all with straight tube body (11) between integration machine-shaping, sealing plug (18) adopt the processing of silica gel material to make, extension pipe (3) set up to the hose.

8. The novel endotracheal tube device for animal experiments according to claim 1, characterized in that: the lower extreme of straight tube body (11) is the toper setting, and the lower extreme pipe wall diameter from the top down of straight tube body (11) reduces in proper order.