CN111632243A - Contraction type tracheal catheter - Google Patents
Contraction type tracheal catheter Download PDFInfo
- Publication number
- CN111632243A CN111632243A CN202010331889.7A CN202010331889A CN111632243A CN 111632243 A CN111632243 A CN 111632243A CN 202010331889 A CN202010331889 A CN 202010331889A CN 111632243 A CN111632243 A CN 111632243A
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- Prior art keywords
- rod
- loop bar
- fixed loop
- tracheal catheter
- expansion rod
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/04—Tracheal tubes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/04—Tracheal tubes
- A61M16/0488—Mouthpieces; Means for guiding, securing or introducing the tubes
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- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Biomedical Technology (AREA)
- Emergency Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Otolaryngology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention discloses a contraction type tracheal catheter, which comprises a tracheal catheter body and a contraction device, wherein the contraction device is arranged in the tracheal catheter body and comprises an expansion rod, a rotary rod, a support piece and a tubular fixed loop bar, bearings are respectively arranged at two ends of the fixed loop bar, the outer ring of each bearing is connected with the inner side wall of the fixed loop bar, one end of the rotary rod is connected with the inner ring of one of the bearings, and a plurality of driving rotary gears are uniformly distributed at one end of the rotary rod, which is positioned in the fixed loop bar; the utility model discloses a gear, including support piece, expansion rod, driving rotary gear, mounting opening, expansion rod, mounting opening, driving rotary gear, supporting piece, the equipartition is equipped with a plurality of mounting openings that are used for installing expansion rod on the lateral wall of its circumference direction on the support piece, expansion rod's one end with mounting opening is articulated, be equipped with on expansion rod's the. Adopt above-mentioned technical scheme when having tumour or foreign matter in having solved patient's air flue, say the problem of just intubate ventilation, guaranteed the reliability of ventilating.
Description
Technical Field
The invention relates to the technical field of medical treatment, in particular to a contraction type tracheal catheter.
Background
When a traditional tracheal catheter enters an airway of a patient, if tumors or other foreign matters exist in the airway, the use of the tracheal catheter can be influenced, the gas entering the body of the patient is influenced, and the condition of oxygen deficiency of the patient is caused.
Disclosure of Invention
In order to solve the problems, the invention provides a contraction type tracheal catheter which has the advantage that the catheter can conveniently enter an air passage and has tumors or foreign matters.
The technical scheme of the invention is as follows: a contraction type tracheal catheter comprises a tracheal catheter body and a contraction device, wherein the contraction device is arranged in the tracheal catheter body and comprises an expansion rod, a rotary rod and a tubular fixed loop bar, bearings are arranged at two ends of the fixed loop bar respectively, the outer ring of each bearing is connected with the inner side wall of the corresponding fixed loop bar, the length of each rotary rod is larger than that of the corresponding fixed loop bar, one end of each rotary rod is connected with the inner ring of one bearing, the other end of each rotary rod penetrates through the other bearing and extends out of the corresponding fixed loop bar, the inner rings of the bearings are connected with the side walls of the rotary rods, and a plurality of active rotary gears are uniformly distributed at one end of each rotary rod, which is located in the corresponding fixed loop bar; a plurality of mounting openings used for mounting the expansion rod are uniformly distributed on the outer side wall of the fixed sleeve rod along the circumferential direction of the fixed sleeve rod, the expansion rod is arc-shaped, one end of the expansion rod is hinged to the mounting opening, the expansion rod is provided with an incomplete gear matched with the driving rotating gear on the outer side wall of one end hinged to the mounting opening, and the other end of the expansion rod is connected with the inner side wall of the tracheal catheter body.
The working principle of the technical scheme is as follows: when the tracheal catheter is completely unfolded, one end of the tracheal catheter body, which is positioned outside a human body, is connected with a breathing machine; meanwhile, one end of each of the rotating rod and the fixed loop rod extends into the pipeline of the breathing machine.
By adopting the technical scheme, the problem that the patient is ventilated by inserting the tube when a tumor or foreign matter exists in the airway of the patient is solved, and the ventilation reliability is ensured.
In a further technical scheme, the outer diameter of the fixed loop bar is 3mm-4mm, and the inner diameter of the fixed loop bar is 2mm-3 mm; the outer diameter of the fixed sleeve rod is set to be 3mm-4mm so as to avoid that the diameter of the fixed sleeve rod is too large to influence the ventilation of the tracheal catheter body, and the ventilation pipe diameter of the tracheal catheter body is temporarily used; the inner diameter of the fixed loop bar is set to be 2mm-3mm for the convenience of installing the bearing and the rotating bar.
In a further technical scheme, the diameter of the rotating rod is 1.5mm-2.5 mm; the diameter of the rotary rod is set to be 1.5mm-2.5mm, so that the rotary rod is conveniently arranged in the fixed loop bar, and the rotary rod drives the expansion rod to be expanded conveniently.
In a further technical scheme, the bearing is an angular contact ball bearing; the angular contact ball bearing has the advantage of low friction coefficient, so that the rotating rod can rotate in the fixed sleeve rod conveniently.
In a further technical scheme, a barb is arranged at one end, away from the support member, of the expansion rod, and the barb is embedded in the endotracheal tube body; keep away from at the expansion rod support piece's one end sets up the barb, and this barb is embedded at endotracheal tube originally internally, is for the contact surface of increase expansion rod and endotracheal tube body, makes its connection more firm, avoids droing in the use to cause the problem that endotracheal tube body can not strut.
The invention has the beneficial effects that:
1. when the tracheal catheter is completely unfolded, one end of the tracheal catheter body, which is positioned outside a human body, is connected with a breathing machine; meanwhile, one end of each of the rotating rod and the fixed sleeve rod extends into a pipeline of the breathing machine, and the technical scheme is adopted to solve the problem that the patient is convenient to ventilate by intubation, such as when tumor or foreign matter exists in the airway of the patient, so that the reliability of ventilation is ensured;
2. the outer diameter of the fixed sleeve rod is set to be 3mm-4mm so as to avoid that the diameter of the fixed sleeve rod is too large to influence the ventilation of the tracheal catheter body, and the ventilation pipe diameter of the tracheal catheter body is temporarily used; the inner diameter of the fixed loop bar is set to be 2mm-3mm so as to facilitate the installation of the bearing and the rotating bar;
3. the diameter of the rotating rod is set to be 1.5mm-2.5mm, so that the rotating rod is conveniently arranged in the fixed sleeve rod, and the expanding rod is conveniently driven to expand by the rotating rod;
4. the angular contact ball bearing has the advantage of low friction coefficient, so that the rotating rod can conveniently rotate in the fixed sleeve rod;
5. keep away from at the expansion rod support piece's one end sets up the barb, and this barb is embedded at endotracheal tube originally internally, is for the contact surface of increase expansion rod and endotracheal tube body, makes its connection more firm, avoids droing in the use to cause the problem that endotracheal tube body can not strut.
Drawings
FIG. 1 is a schematic view of a constriction device of a collapsible endotracheal tube according to an embodiment of the present invention;
FIG. 2 is a schematic top view of a constriction device of a collapsible endotracheal tube according to an embodiment of the present invention;
fig. 3 is a schematic view showing the overall structure of a constriction device of a collapsible endotracheal tube according to an embodiment of the present invention;
FIG. 4 is a schematic view of an expanded configuration of a constriction device of a collapsible endotracheal tube according to an embodiment of the present invention;
FIG. 5 is a schematic view of the constriction device of the collapsible endotracheal tube according to embodiment 5 of the present invention; description of reference numerals:
1. a tracheal catheter body; 2. a retractor; 2-1, an expansion rod; 2-2, rotating a rod; 2-3, fixing the loop bar; 2-4, a bearing; 2-5, a main control rotating gear; 2-6, installing an opening; 2-7, incomplete gear; 2-8 barbs.
Detailed Description
The embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
as shown in fig. 1-4, a collapsible tracheal catheter comprises a tracheal catheter body 1 and a constriction device 2, wherein the constriction device 2 is arranged in the tracheal catheter body 1, the constriction device 2 comprises an expansion rod 2-1, a rotating rod 2-2 and a tubular fixed loop rod 2-3, two ends of the fixed loop rod 2-3 are respectively provided with a bearing 2-4, an outer ring of the bearing 2-4 is connected with an inner side wall of the fixed loop rod 2-3, the length of the rotating rod 2-2 is greater than that of the fixed loop rod 2-3, one end of the rotating rod 2-2 is connected with an inner ring of one bearing 2-4, the other end of the rotating rod 2-2 passes through the other bearing 2-4 and extends out of the fixed loop rod 2-3, the inner ring of the bearing 2-4 is connected with the side wall of the rotating rod 2-2, and a plurality of driving rotating gears are uniformly distributed at one end of the rotating rod 2-2, which is positioned in the fixed loop bar 2-3; a plurality of mounting openings 2-6 for mounting expansion rods 2-1 are uniformly distributed on the outer side wall of the fixed sleeve rod 2-3 along the circumferential direction of the fixed sleeve rod, the expansion rods 2-1 are arc-shaped, one end of each expansion rod is hinged to the corresponding mounting opening 2-6, incomplete gears 2-7 matched with the driving rotating gears are arranged on the outer side walls of the ends, hinged to the mounting openings 2-6, of the expansion rods 2-1, and the other ends of the expansion rods 2-1 are connected with the inner side wall of the tracheal catheter body 1.
The working principle of the technical scheme is as follows: when in use, the contracted gas conduit body is put into a patient body, and is rotated by the rotating rod 2-2, the driving rotating gear arranged on the rotating rod 2-2 drives the incomplete gear 2-7 arranged on the expansion rod 2-1 to rotate, so that the expansion rod 2-1 drives the gas conduit body 1 to be expanded, and after the gas conduit is completely expanded, one end of the gas conduit body 1, which is positioned outside the human body, is connected with a breathing machine; meanwhile, one end of each of the rotating rod 2-2 and the fixed sleeve rod 2-3 extends into a pipeline of the respirator, wherein the driving rotating gear adopted by the invention is a gear rotating in a single direction, so that the phenomenon that the constriction device 2 is closed in the use process and the function of supporting the open tracheal catheter body 1 is not achieved.
When not in use, the arc-shaped expansion rod 2-1 is attached to the support piece, so that the expanded diameter of the endotracheal tube body 1 is reduced.
By adopting the technical scheme, the problem that the patient is ventilated by inserting the tube when a tumor or foreign matter exists in the airway of the patient is solved, and the ventilation reliability is ensured.
Example 2:
in this embodiment, on the basis of embodiment 1, the outer diameter of the fixed loop bar 2-3 is 3mm-4mm, and the inner diameter of the fixed loop bar 2-3 is 2mm-3 mm; the outer diameter of the fixed loop bar 2-3 is set to 3mm-4mm so as to avoid that the diameter of the fixed loop bar 2-3 is too large to affect the ventilation of the endotracheal tube body 1, the excessive ventilation pipe diameter of the endotracheal tube body 1 is temporarily used, the outer diameter of the fixed loop bar 2-3 is preferably 3mm, 3.5mm and 4mm, and the optimal outer diameter is 3.5 mm; the inner diameter of the fixed loop bar 2-3 is set to 2mm-3mm for convenience of mounting the bearing 2-4 and the rotating bar 2-2, and the inner diameter of the fixed loop bar 2-3 is preferably 2mm, 2.5mm and 3mm, and most preferably 2.5 mm.
Example 3:
in this embodiment, based on embodiment 1 or embodiment 2, the diameter of the rotating rod 2-2 is 1.5mm-2.5 mm; the diameter of the rotating rod 2-2 is set to be 1.5mm-2.5mm, so that the rotating rod 2-2 is conveniently installed in the fixed sleeve rod 2-3, the rotating rod 2-2 conveniently drives the expansion rod 2-1 to expand, the diameter of the rotating rod 2-2 is preferably 1.5mm, 1.8mm, 2mm and 2.5mm, and the optimal diameter is 1.8 mm.
Example 4:
in the embodiment, on the basis of embodiment 1, the bearing 2-4 is an angular contact ball bearing 2-4; the angular contact ball bearing 2-4 is adopted, so that the rotating rod 2-2 can conveniently rotate in the fixed sleeve rod 2-3 due to the advantage of low friction coefficient.
Example 5:
as shown in fig. 5, in this embodiment, on the basis of embodiment 1, one end of the expansion rod 2-1, which is far away from the support member, is provided with a barb 2-8, and the barb 2-8 is embedded in the endotracheal tube body 1; the end, far away from the supporting piece, of the expansion rod 2-1 is provided with the barb 2-8, and the barb 2-8 is embedded in the endotracheal tube body 1, so that the contact surface between the expansion rod 2-1 and the endotracheal tube body 1 is enlarged, the connection is firmer, and the problem that the endotracheal tube body 1 cannot be unfolded due to falling off in the using process is solved.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (5)
1. A contraction type tracheal catheter comprises a tracheal catheter body and is characterized by further comprising a contraction device, wherein the contraction device is arranged in the tracheal catheter body and comprises an expansion rod, a rotary rod and a tubular fixed loop bar, bearings are arranged at two ends of the fixed loop bar respectively, the outer ring of each bearing is connected with the inner side wall of the corresponding fixed loop bar, the length of each rotary rod is larger than that of the corresponding fixed loop bar, one end of each rotary rod is connected with the inner ring of one bearing, the other end of each rotary rod penetrates through the other bearing and extends out of the corresponding fixed loop bar, the inner rings of the bearings are connected with the side wall of the corresponding rotary rod, and a plurality of driving rotary gears are uniformly distributed at one end of each rotary rod, which is located in the corresponding fixed loop bar; a plurality of mounting openings used for mounting the expansion rod are uniformly distributed on the outer side wall of the fixed sleeve rod along the circumferential direction of the fixed sleeve rod, the expansion rod is arc-shaped, one end of the expansion rod is hinged to the mounting opening, the expansion rod is provided with an incomplete gear matched with the driving rotating gear on the outer side wall of one end hinged to the mounting opening, and the other end of the expansion rod is connected with the inner side wall of the tracheal catheter body.
2. The endotracheal tube according to claim 1, characterized in that the fixing rod has an outer diameter of 3mm to 4mm and an inner diameter of 2mm to 3 mm.
3. The endotracheal tube according to claim 1 or 2, characterized in that the diameter of the rotary rod is between 1.5mm and 2.5 mm.
4. The collapsible endotracheal tube of claim 1, wherein the bearings are angular contact ball bearings.
5. The endotracheal tube according to claim 1, characterized in that the end of the dilating rod remote from the support member is provided with a barb which is embedded in the body of the endotracheal tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010331889.7A CN111632243B (en) | 2020-04-24 | 2020-04-24 | Contraction type tracheal catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010331889.7A CN111632243B (en) | 2020-04-24 | 2020-04-24 | Contraction type tracheal catheter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111632243A true CN111632243A (en) | 2020-09-08 |
| CN111632243B CN111632243B (en) | 2023-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010331889.7A Active CN111632243B (en) | 2020-04-24 | 2020-04-24 | Contraction type tracheal catheter |
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| Country | Link |
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| CN (1) | CN111632243B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112354071A (en) * | 2020-11-06 | 2021-02-12 | 淄博市中心医院 | External urinary clinical prostate expansion device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011015811A1 (en) * | 2009-08-04 | 2011-02-10 | Michael Mccooe | Endotracheal tube |
| CN108042893A (en) * | 2018-01-09 | 2018-05-18 | 佳木斯大学 | A kind of two-tube laryngeal mask device and its control method |
| CN207722204U (en) * | 2017-04-28 | 2018-08-14 | 肖志勇 | Reducing tracheal catheter external member |
| CN108542443A (en) * | 2018-05-03 | 2018-09-18 | 郑州大学第附属医院 | A kind of tracheotomy synchronization extension fixture |
| CN208436206U (en) * | 2018-02-08 | 2019-01-29 | 川北医学院附属医院 | A kind of tracheal catheter that more cavity calibers are variable |
| CN109316213A (en) * | 2018-10-11 | 2019-02-12 | 张庆文 | A kind of orthopaedics replacement knee mirror joint dilator |
| CN208525607U (en) * | 2017-09-18 | 2019-02-22 | 张�成 | A kind of distensible two-chamber trachea catheter for baby |
| CN209173147U (en) * | 2017-12-20 | 2019-07-30 | 董恺奕 | A kind of backward trachael intubation elastic support pipe |
| CN110237386A (en) * | 2019-06-24 | 2019-09-17 | 无锡圣诺亚科技有限公司 | A kind of tracheal catheter of low damage |
| CN209630418U (en) * | 2018-10-12 | 2019-11-15 | 王慧 | Straight infantile urethral dilator |
-
2020
- 2020-04-24 CN CN202010331889.7A patent/CN111632243B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011015811A1 (en) * | 2009-08-04 | 2011-02-10 | Michael Mccooe | Endotracheal tube |
| CN207722204U (en) * | 2017-04-28 | 2018-08-14 | 肖志勇 | Reducing tracheal catheter external member |
| CN208525607U (en) * | 2017-09-18 | 2019-02-22 | 张�成 | A kind of distensible two-chamber trachea catheter for baby |
| CN209173147U (en) * | 2017-12-20 | 2019-07-30 | 董恺奕 | A kind of backward trachael intubation elastic support pipe |
| CN108042893A (en) * | 2018-01-09 | 2018-05-18 | 佳木斯大学 | A kind of two-tube laryngeal mask device and its control method |
| CN208436206U (en) * | 2018-02-08 | 2019-01-29 | 川北医学院附属医院 | A kind of tracheal catheter that more cavity calibers are variable |
| CN108542443A (en) * | 2018-05-03 | 2018-09-18 | 郑州大学第附属医院 | A kind of tracheotomy synchronization extension fixture |
| CN109316213A (en) * | 2018-10-11 | 2019-02-12 | 张庆文 | A kind of orthopaedics replacement knee mirror joint dilator |
| CN209630418U (en) * | 2018-10-12 | 2019-11-15 | 王慧 | Straight infantile urethral dilator |
| CN110237386A (en) * | 2019-06-24 | 2019-09-17 | 无锡圣诺亚科技有限公司 | A kind of tracheal catheter of low damage |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112354071A (en) * | 2020-11-06 | 2021-02-12 | 淄博市中心医院 | External urinary clinical prostate expansion device |
| CN112354071B (en) * | 2020-11-06 | 2022-11-29 | 淄博市中心医院 | External urinary clinical prostate expansion device |
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| Publication number | Publication date |
|---|---|
| CN111632243B (en) | 2023-01-31 |
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