CN215653223U - Tube core structure for tracheal cannula - Google Patents
Tube core structure for tracheal cannula Download PDFInfo
- Publication number
- CN215653223U CN215653223U CN202121101656.4U CN202121101656U CN215653223U CN 215653223 U CN215653223 U CN 215653223U CN 202121101656 U CN202121101656 U CN 202121101656U CN 215653223 U CN215653223 U CN 215653223U
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- Prior art keywords
- sleeve
- wall
- pin shaft
- fixedly connected
- nylon rope
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- 210000003437 trachea Anatomy 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 239000004677 Nylon Substances 0.000 claims description 28
- 229920001778 nylon Polymers 0.000 claims description 28
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 238000002627 tracheal intubation Methods 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 abstract description 5
- 238000005452 bending Methods 0.000 description 6
- 244000309464 bull Species 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000002345 respiratory system Anatomy 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000621 bronchi Anatomy 0.000 description 1
- 230000004064 dysfunction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000000887 face Anatomy 0.000 description 1
- 210000004704 glottis Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 210000003928 nasal cavity Anatomy 0.000 description 1
- 210000001331 nose Anatomy 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model discloses a tube core structure for a trachea cannula, which comprises a sleeve, wherein the inner wall of the sleeve is connected with a sliding block in a sliding manner, a core tube penetrates and is fixedly connected into the sliding block, a rotating rod is arranged at the front end of the core tube, the outer wall of a first pin shaft is rotatably connected with a support at the rear side, and an adjusting mechanism is arranged between the sleeve and the first rotating shaft. This tube core structure for trachea cannula, the intraductal mode of walking the line of accessible pulls the rotation and carries out crooked moulding to the trachea, can not produce the restriction to tracheal the buckling, it is bigger to make its angle of buckling, and buckle the angle and can press down the depression bar according to the use needs and adjust, the practicality is better, it contracts the function to have elasticity simultaneously, only need press down the nose bar, can make the core pipe return and contract, it is more convenient to take out the operation behind the core pipe arrangement pipe, the intubate time has been shortened, and the intubate damage has been reduced, and simultaneously, doctor's both hands have been released, even when single operation, also be simple accurate.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a tube core structure for a tracheal cannula.
Background
The trachea cannula is a method for placing a special trachea catheter into a trachea or a bronchus through an oral cavity or a nasal cavity and a glottis, provides the best conditions for unobstructed respiratory tract, ventilation and oxygen supply, respiratory tract suction and the like, and is an important measure for rescuing patients with respiratory dysfunction.
The tube core of the prior endotracheal tube in clinic is mostly a single hard steel wire, the shape of the tube core is difficult to change, the flexibility is poor, a small number of core tubes capable of being automatically bent are pulled due to the mode that the tube is externally wired when in use, the bending angle is limited, the good bending and molding effect on the trachea cannot be achieved, the practicability is poor, meanwhile, the operation is inconvenient to take out after the core tubes are placed in the tubes, other people are often required to help to extract the core tubes, the whole intubation time is long, and the probability of intubation damage is high. Therefore, a tube core structure for the tracheal cannula needs to be designed to meet the requirements of medical clinical use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a tube core structure for a tracheal cannula, which aims to solve the problems that most tube cores of the existing clinical tracheal catheters in the background technology are single hard steel wires, the shape change is difficult, the flexibility is poor, and a few core tubes capable of being automatically bent are pulled in a mode of external tube routing when in use, so that the bending angle is limited, a good bending and molding effect on a trachea cannot be achieved, the practicability is poor, and meanwhile, the core tubes are inconvenient to pull out after being placed in the trachea, other people are often required to help to pull out the core tubes, so that the whole intubation time is long, and the probability of intubation damage is high.
In order to achieve the purpose, the utility model provides the following technical scheme: a tube core structure for inserting a tube into a trachea comprises a sleeve, wherein a sliding block is connected to the inner wall of the sleeve in a sliding mode, a core tube penetrates through the inside of the sliding block and is fixedly connected with the inside of the sliding block, a rotating rod is arranged at the front end of the core tube, a support is fixedly connected to the rotating rod and the inner end of the core tube, a first pin shaft is fixedly connected to the inner end of the support on the front side, the outer wall of the first pin shaft is rotatably connected with the support on the rear side, and an adjusting mechanism is arranged between the sleeve and the first rotating shaft;
the adjusting mechanism comprises a pressure lever, a notch, a nylon rope I and a circular ring;
the opening is processed on the rear side of the outer wall of the sleeve, a pressure rod is rotatably connected inside the opening, one end of the pressure rod is movably connected with a first nylon rope, the first nylon rope is arranged inside the sleeve, a core tube penetrates through the first nylon rope and is movably connected with a ring, and the ring is fixedly connected to one side of the outer wall of the first pin shaft. The design makes depression bar and bull stick linkage mutually like this, and when core pipe was taken out to extreme position, nylon rope one tightened, and then the accessible presses the depression bar control bull stick and rotates, and turned angle is adjustable, and then buckles to the trachea and moulds the type.
Preferably, the outer wall of the first pin shaft is provided with a torsion spring, and two ends of the torsion spring are fixedly connected with the two supports respectively. The design makes the rotating rod parallel to the core tube when not stressed, so that the air tube can be conveniently sleeved in.
Preferably, the rotating rod is of a rod-shaped structure with a spherical front end. The design can reduce the abrasion of the rotating rod to the inner wall of the air pipe.
Preferably, a rubber retaining sleeve is arranged on the rear side of the outer wall of the sleeve. The design can play a limiting role on the air pipe.
Preferably, a telescopic mechanism is arranged between the sleeve and the sliding block;
the telescopic mechanism comprises a second pin shaft, a clockwork spring, a second nylon rope, a ratchet wheel, a steel sheet, a convex rod and a spiral spring;
the second pin shaft is rotatably connected to the inner rear side of the sleeve, a clockwork spring is sleeved on the outer wall of the second pin shaft, one end of the clockwork spring is fixedly connected with the outer wall of the second pin shaft, the other end of the clockwork spring is movably connected with the rear end of a sliding block through a second nylon rope, a ratchet wheel is fixedly connected to the upper portion of the outer wall of the second pin shaft, a steel sheet is connected to the rear side of the ratchet wheel in an one-way clamping mode, the steel sheet is fixedly connected to the outer wall of the protruding rod, the outer wall of the protruding rod is slidably connected with the bottom right side of the sleeve, a spiral spring is installed on the outer wall of the protruding rod, and two ends of the spiral spring are fixedly connected with the step faces of the sleeve and the protruding rod respectively. The design makes press the protruding pole and can control the back core pipe of taking out and retract to the sheathed tube in automatically, has shortened the intubate time greatly, and has reduced the intubate damage.
Compared with the prior art, the utility model has the beneficial effects that: compared with the prior art, the tube core structure for the tracheal cannula has the following advantages:
through the sleeve pipe, the core pipe, the slider, the bull stick, a support, round pin axle one, cooperation between adjustment mechanism and the telescopic machanism, make the device when using, the intraductal mode of walking the line of accessible pulls the rotation and carries out crooked moulding to the trachea, can not produce the restriction to tracheal buckling, it is bigger to make its angle of buckling, and the angle of buckling can press down the depression bar according to the use needs and adjust, the practicality is better, it returns the function to have elasticity simultaneously, only need press the nose bar, can make the core pipe return, it is more convenient to take out the operation behind the core pipe arrangement pipe, the intubate time has been shortened, and the intubate damage has been reduced, and simultaneously, doctor's both hands have been released, even when single operation, also be simple and easy.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
FIG. 3 is a schematic structural diagram of a second pin shaft, a spring and a ratchet wheel in FIG. 2;
FIG. 4 is a schematic top view of the structure of FIG. 3;
fig. 5 is a schematic structural diagram of the bracket, the first pin shaft and the ring in fig. 1:
fig. 6 is a side view of the plunger, sleeve and rubber sleeve of fig. 1.
In the figure: 1. the device comprises a sleeve, 2, a core pipe, 3, a sliding block, 4, a rotating rod, 5, a support, 6, a telescopic mechanism, 601, a second pin shaft, 602, a clockwork spring, 603, a second nylon rope, 604, a ratchet, 605, a steel sheet, 606, a convex rod, 607, a spiral spring, 7, an adjusting mechanism, 701, a pressure rod, 702, a notch, 703, a first nylon rope, 704, a circular ring, 8, a first pin shaft, 9, a torsion spring, 10 and a rubber retaining sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a tube core structure for inserting a tube into a trachea comprises a sleeve 1, wherein a rubber blocking sleeve 10 is arranged on the rear side of the outer wall of the sleeve 1, the design can limit the trachea, a sliding block 3 is connected to the inner wall of the sleeve 1 in a sliding manner, a core tube 2 penetrates through and is fixedly connected with the inside of the sliding block 3, the core tube 2 is of a hollow tubular structure and has good resilience and automatically recovers after being bent, a rotating rod 4 is arranged at the front end of the core tube 2, the rotating rod 4 is of a rod-shaped structure with a spherical front end, the design can reduce the abrasion of the rotating rod 4 on the inner wall of the trachea, supports 5 are fixedly connected with the inner ends of the rotating rod 4 and the core tube 2, a first pin shaft 8 is fixedly connected with the inner end of the support 5 on the front side, the outer wall of the first pin shaft 8 is rotatably connected with the support 5 on the rear side, the rotating rod 4 and the core tube 2 can rotate under stress through the first pin shaft 8, a torsion spring 9 is arranged on the outer wall of the first pin shaft 8, and two ends of the torsion spring 9 are fixedly connected with the two supports 5 respectively, the design ensures that the rotating rod 4 can keep parallel to the core pipe 2 when not stressed, so that an air pipe can be conveniently sleeved in the rotating rod, and an adjusting mechanism 7 is arranged between the sleeve 1 and the first rotating shaft 8;
the adjusting mechanism 7 comprises a pressure lever 701, a notch 702, a first nylon rope 703 and a circular ring 704;
A telescopic mechanism 6 is arranged between the sleeve 1 and the sliding block 3, the telescopic mechanism 6 comprises a pin shaft II 601, a clockwork spring 602, a nylon rope II 603, a ratchet 604, a steel sheet 605, a convex rod 606 and a spiral spring 607, the pin shaft II 601 is rotatably connected with the rear side of the interior of the sleeve 1, the clockwork spring 602 is sleeved on the outer wall of the pin shaft II 601, one end of the clockwork spring 602 is fixedly connected with the outer wall of the pin shaft II 601, the other end of the clockwork spring 602 is movably connected with the rear end of the sliding block 3 through the nylon rope II 603, the clockwork spring 602 gives backward pulling force to the nylon rope II 603, the ratchet 604 is fixedly connected above the outer wall of the pin shaft II 601, the steel sheet 605 is clamped on the rear side of the ratchet 604 in a one-way manner, the ratchet 604 can be locked in a one-way manner, the core tube 2 rotates when being extracted, the core tube 2 rotates, the convex rod 606 is required to be pressed to drive the steel sheet 605 to be separated from the core tube 605 to rotate when being retracted, the steel sheet is fixedly connected on the outer wall of the convex rod 606, the outer wall of the convex rod 606 is slidably connected with the right side of the bottom of the sleeve 1, spiral spring 607 is installed to the outer wall of protruding pole 606, and the both ends of spiral spring 607 respectively with the step face fixed connection of sleeve pipe 1 and protruding pole 606, and spiral spring 607 gives protruding pole 606 and presses the power that resets after pressing, and the design makes pressing protruding pole 606 and can control to take out back core pipe 2 and retract to sleeve pipe 1 automatically in, has shortened the intubate time greatly, and has reduced the intubate damage.
The working principle of the embodiment is as follows: firstly, the rear end of the sleeve 1 is held by one hand, the core tube 2 is pulled out to the limit position by manually holding the rotating rod 4, the core tube 2 can be locked and fixed after being pulled out by the ratchet wheel 604 and the steel sheet 605 being in one-way clamping connection, the nylon rope I703 is in a tight state, the nylon rope II 603 drives the spring 602 to deform, at the moment, the air pipe is sleeved on the outer walls of the core tube 2 and the sleeve 1, the rear end of the air pipe is abutted against the rubber retaining sleeve 10, the pressing rod 701 is pressed, the pin shaft I8 can drive the rotating rod 4 to rotate through the traction of the nylon rope I703, the outer air pipe can be driven to bend through the rotation of the rotating rod 4, the bending and shaping effects can be realized, the bending degree can be adjusted according to the use condition, the practicability is realized, meanwhile, when the steel sheet 605 is pulled out, the convex rod 606 is pressed, the steel sheet 605 is separated from the ratchet wheel 604, the resilience of the spring 604 and the traction of the nylon rope II 603 are realized, the core tube 2 can drive the rotating rod 4 to automatically retract into the sleeve 1, so that the convenience of pulling out the core tube after the insertion is improved, the insertion time is shortened, and the damage to the insertion tube is reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A trachea is tube core structure for intubate, includes sleeve pipe (1), its characterized in that: the inner wall of the sleeve (1) is connected with a sliding block (3) in a sliding mode, a core pipe (2) penetrates through and is fixedly connected with the inside of the sliding block (3), a rotating rod (4) is arranged at the front end of the core pipe (2), supports (5) are fixedly connected with the inner ends of the rotating rod (4) and the core pipe (2), a first pin shaft (8) is fixedly connected with the inner end of the front side support (5), the outer wall of the first pin shaft (8) is rotatably connected with the rear side support (5), and an adjusting mechanism (7) is arranged between the sleeve (1) and the first pin shaft (8);
the adjusting mechanism (7) comprises a pressure lever (701), a notch (702), a first nylon rope (703) and a circular ring (704);
opening (702) are processed in the outer wall rear side of sleeve pipe (1), and the inside rotation of opening (702) is connected with depression bar (701), the one end swing joint of depression bar (701) has nylon rope (703), nylon rope (703) set up in the inside of sleeve pipe (1), and nylon rope (703) run through core pipe (2) swing joint have ring (704), ring (704) rigid coupling is in the outer wall one side of round pin axle (8).
2. The tube core structure for tracheal intubation according to claim 1, wherein: and a torsion spring (9) is installed on the outer wall of the first pin shaft (8), and two ends of the torsion spring (9) are respectively and fixedly connected with the two brackets (5).
3. The tube core structure for tracheal intubation according to claim 1, wherein: the rotating rod (4) is of a rod-shaped structure with a spherical front end.
4. The tube core structure for tracheal intubation according to claim 1, wherein: and a rubber blocking sleeve (10) is arranged on the rear side of the outer wall of the sleeve (1).
5. The tube core structure for tracheal intubation according to claim 1, wherein: a telescopic mechanism (6) is arranged between the sleeve (1) and the sliding block (3);
the telescopic mechanism (6) comprises a second pin shaft (601), a spring (602), a second nylon rope (603), a ratchet wheel (604), a steel sheet (605), a convex rod (606) and a spiral spring (607);
the second pin shaft (601) is rotatably connected to the rear side inside the sleeve (1), a spring (602) is sleeved on the outer wall of the second pin shaft (601), one end of the spring (602) is fixedly connected with the outer wall of the second pin shaft (601), the other end of the spring (602) is movably connected with the rear end of the slider (3) through a nylon rope (603), a ratchet wheel (604) is fixedly connected to the upper portion of the outer wall of the second pin shaft (601), a steel sheet (605) is clamped on the rear side of the ratchet wheel (604) in a one-way mode, the steel sheet (605) is fixedly connected to the outer wall of the convex rod (606), the outer wall of the convex rod (606) is slidably connected with the right side of the bottom of the sleeve (1), a spiral spring (607) is installed on the outer wall of the convex rod (606), and two ends of the spiral spring (607) are fixedly connected with step surfaces of the sleeve (1) and the convex rod (606) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121101656.4U CN215653223U (en) | 2021-05-21 | 2021-05-21 | Tube core structure for tracheal cannula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121101656.4U CN215653223U (en) | 2021-05-21 | 2021-05-21 | Tube core structure for tracheal cannula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215653223U true CN215653223U (en) | 2022-01-28 |
Family
ID=79972929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121101656.4U Expired - Fee Related CN215653223U (en) | 2021-05-21 | 2021-05-21 | Tube core structure for tracheal cannula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215653223U (en) |
-
2021
- 2021-05-21 CN CN202121101656.4U patent/CN215653223U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |