CN111991046B - Double-cavity tracheal catheter with multi-angle adjustable air bag - Google Patents

Double-cavity tracheal catheter with multi-angle adjustable air bag Download PDF

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CN111991046B
CN111991046B CN202010916230.8A CN202010916230A CN111991046B CN 111991046 B CN111991046 B CN 111991046B CN 202010916230 A CN202010916230 A CN 202010916230A CN 111991046 B CN111991046 B CN 111991046B
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pipe
branch pipe
main
air bag
plugging plate
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CN111991046A (en
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杨斌
陈琪
綦俊
尹哲
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Chongqing University Cancer Hospital
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Chongqing University Cancer Hospital
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
    • A61B17/12104—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in an air passage
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
    • A61B17/12136—Balloons
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
    • A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
    • A61M25/0026—Multi-lumen catheters with stationary elements
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/10—Balloon catheters
    • A61M25/1011—Multiple balloon catheters
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
    • A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
    • A61M25/0026—Multi-lumen catheters with stationary elements
    • A61M2025/0037—Multi-lumen catheters with stationary elements characterized by lumina being arranged side-by-side
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/10—Balloon catheters
    • A61M25/1011—Multiple balloon catheters
    • A61M2025/1013—Multiple balloon catheters with concentrically mounted balloons, e.g. being independently inflatable

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Vascular Medicine (AREA)
  • Reproductive Health (AREA)
  • Biophysics (AREA)
  • Pulmonology (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Child & Adolescent Psychology (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

The invention discloses a double-cavity tracheal catheter capable of adjusting an air bag at multiple angles, which comprises a main tube, an adjusting mechanism, a left branch tube, a first tracheal tube, a second tracheal tube and a right branch tube, wherein the main tube is connected with the adjusting mechanism; one end of the main pipe is connected with the adjusting mechanism, and the left branch pipe and the right branch pipe are both connected with the adjusting mechanism; the main pipe is communicated with the inner cavity of the adjusting mechanism, the left branch pipe is communicated with the inner cavity of the adjusting mechanism, and the right branch pipe is communicated with the inner cavity of the adjusting mechanism; in a free state, the left branch pipe and the right branch pipe are splayed, and the adjusting mechanism is used for adjusting splayed opening degrees of the left branch pipe and the right branch pipe; the left branch pipe is sleeved with a first air bag, and one end of a first air conveying pipe is connected and communicated with the first air bag; the right branch pipe is sleeved with a second air bag, and one end of a second air pipe is connected and communicated with the second air bag. The invention is convenient for effectively plugging the fistula at the trachea bifurcation formed by the trachea, the right bronchus and the left bronchus according to the requirement, thereby greatly reducing the risks of serious pneumonia and asphyxia in the perioperative period.

Description

Double-cavity tracheal catheter with multi-angle adjustable air bag
Technical Field
The invention relates to the technical field of medical instruments, in particular to a double-cavity tracheal catheter capable of adjusting an air bag in multiple angles.
Background
At present, the incidence rate of malignant tumor of the esophagus is high, patients are generally old, the physiological function is poor, and tracheoesophageal fistula is often combined. The symptoms of drinking choking and chronic pneumonia are caused by water or food in the esophagus entering the trachea through the fistula. Patients of the type requiring painless gastrointestinal endoscopy or surgical treatment all require general anesthesia and endotracheal intubation to ensure basic ventilation and airway safety of the patients. Meanwhile, as the positions of the tracheoesophageal fistulas are variable and the sizes of the fistulas are different, great examination is brought to treatment. Moreover, when the fistula is located at the tracheal bifurcation formed by the trachea, the right bronchus and the left bronchus, the fistula can not be effectively blocked by the existing single-lumen tracheal catheter or double-lumen tracheal catheter, and serious complications such as severe pneumonia and asphyxia in the perioperative period are often caused.
Disclosure of Invention
Aiming at the problems, the invention provides the double-cavity tracheal catheter with the multi-angle adjustable air bag, which is convenient for effectively plugging the fistula at the tracheal bifurcation formed by the trachea, the right bronchus and the left bronchus according to the requirements, thereby greatly reducing the risks of serious pneumonia and asphyxia in the perioperative period.
The invention provides a double-cavity tracheal catheter capable of adjusting an air bag at multiple angles, which comprises a main tube, an adjusting mechanism, a left branch tube, a first tracheal tube, a second tracheal tube and a right branch tube, wherein the main tube is connected with the adjusting mechanism; one end of the main pipe is connected with the adjusting mechanism, and the left branch pipe and the right branch pipe are both connected with the adjusting mechanism; the main pipe is communicated with the inner cavity of the adjusting mechanism, the left branch pipe is communicated with the inner cavity of the adjusting mechanism, and the right branch pipe is communicated with the inner cavity of the adjusting mechanism; in a free state, the left branch pipe and the right branch pipe are splayed, and the adjusting mechanism is used for adjusting splayed opening degrees of the left branch pipe and the right branch pipe; the left branch pipe is sleeved with a first air bag, and one end of the first air delivery pipe is connected and communicated with the first air bag; a second air bag is sleeved on the right branch pipe, and one end of the second air conveying pipe is connected and communicated with the second air bag; the main pipe, the left branch pipe, the first air conveying pipe, the second air conveying pipe and the right branch pipe are all made of soft transparent materials.
Preferably, the outer wall of the first air conveying pipe is connected with the left branch pipe and the main pipe along the length direction, and one end, far away from the first air bag, of the first air conveying pipe is flush with the end, far away from the adjusting mechanism, of the main pipe; the outer wall of the second air delivery pipe is connected with the right branch pipe and the main pipe along the length direction, and one end of the second air bag far away from the second air delivery pipe is flush with the end of the far adjusting mechanism far away from the main pipe.
Preferably, the double-cavity tracheal catheter capable of adjusting the air bag at multiple angles further comprises a third air pipe, a fourth air pipe, a third air bag and a fourth air bag; the third air bag is arranged in the left branch pipe, and one end of the third air conveying pipe penetrates through the wall thickness of the left branch pipe to be connected and communicated with the third air bag; the fourth air bag is arranged in the right branch pipe, and one end of the fourth air conveying pipe penetrates through the wall thickness of the right branch pipe to be connected and communicated with the fourth air bag.
Preferably, the outer wall of the third air pipe is connected with the left branch pipe and the main pipe along the length direction, and one end of the third air bag far away from the third air pipe is flush with the end of the far adjusting mechanism of the main pipe; the outer wall of the fourth gas pipe is connected with the right branch pipe and the main pipe along the length direction, and one end of the fourth gas pipe far away from the third air bag is flush with the end of the main pipe far adjusting mechanism.
Preferably, the adjusting mechanism comprises a connecting sleeve, an inner sleeve, a connecting bearing, a main wire winding and unwinding ring, a left wire winding and unwinding ring, a right wire winding and unwinding ring, a main control wire, a left control wire and a right control wire;
a first plugging plate and a second plugging plate are respectively arranged at two ends of the connecting sleeve, the inner sleeve is arranged in the connecting sleeve along the axial center line, two ends of the inner sleeve are respectively connected with the first plugging plate and the second plugging plate, and a mounting cavity is formed between the connecting sleeve and the inner sleeve; the first plugging plate is connected with the main pipe, the left branch pipe and the right branch pipe are both connected with the second plugging plate, the first plugging plate is provided with a first vent hole which enables the inner cavity of the main pipe to be communicated with the inner cavity of the inner sleeve, the second plugging plate is provided with a second vent hole which enables the inner cavity of the inner sleeve to be communicated with the inner cavity of the left branch pipe, and the second plugging plate is provided with a third vent hole which enables the inner cavity of the inner sleeve to be communicated with the inner cavity of the right branch pipe;
the inner ring of the connecting bearing is sleeved on the inner sleeve, the main winding and unwinding wire ring is sleeved on the outer ring of the connecting bearing, and a main annular groove is formed in the main winding and unwinding wire ring; a first annular column which is coaxial with the axial center line is arranged on the inner ring of the connecting bearing close to the second plugging plate side, the inner diameter of the first annular column is larger than the outer diameter of the inner sleeve, the left winding and unwinding wire ring and the right winding and unwinding wire ring are both sleeved on the first annular column, a left annular groove is arranged on the left winding and unwinding wire ring, and a right annular groove is arranged on the right winding and unwinding wire ring;
the left branch pipe is provided with a left control channel along the length direction, the left control channel is positioned at one side close to the right branch pipe, the end of the left control channel close to the second plugging plate is arranged in an opening manner, a left connecting channel for communicating the accommodating cavity with the left control channel is arranged in the second plugging plate, one end of the left control line is connected with the bottom of a left annular groove of the left winding and unwinding wire ring, and the other end of the left control line is connected with the end, far away from the second plugging plate, of the left control channel through the accommodating cavity and the left connecting channel in sequence;
the right branch pipe is provided with a right control channel along the length direction, the right control channel is positioned at one side close to the left branch pipe, the end of the right control channel close to the second plugging plate is arranged in an opening manner, a right connecting channel for communicating the placement cavity and the right control channel is arranged in the second plugging plate, one end of the right control wire is connected with the bottom of a right annular groove of the right retractable wire ring, and the other end of the right control wire is connected with the end, far away from the second plugging plate, of the right control channel through the placement cavity and the right connecting channel in sequence;
the main pipe is provided with a through main channel along the length direction, and a through hole is formed in the position, corresponding to the main channel, of the first plugging plate; one end of the main control wire is connected with the bottom of the main annular groove, and the main control wire is wound in the main annular groove; the other end of the main control line sequentially passes through the through hole and the main channel and is arranged outside the main pipe.
Preferably, a left conduit is arranged at the position, corresponding to the left connecting channel, of the second plugging plate, one end, close to the first annular column, of the left conduit is bent towards the left annular groove, and the other end of the left control wire penetrates through the left conduit and enters the left connecting channel; and a right conduit is arranged at the position of the second plugging plate corresponding to the right connecting channel, one end of the right conduit close to the first annular column is bent towards the right annular groove, and the other end of the right control wire penetrates through the right conduit to enter the right connecting channel.
Preferably, the inner wall of the connecting sleeve is provided with a fixed pulley corresponding to the main annular groove, and the other end of the main control line passes through the fixed pulley and the through hole to enter the main channel.
Preferably, the adjustment mechanism further comprises a coil spring; a second annular column with the same axial center line is arranged on the inner ring of the connecting bearing close to the first plugging plate, the first plugging plate is provided with an auxiliary annular column with the same axial center line as the inner sleeve, the auxiliary annular column is positioned in the accommodating cavity, an annular plate with the same axial center line is arranged on the side of the auxiliary annular column far away from the first plugging plate, and the inner diameter of the annular plate is larger than the outer diameter of the second annular column; the coil spring is sleeved on the second annular column and placed on the annular plate, the inner end of the coil spring is connected with the second annular column, and the outer end of the coil spring is connected with the inner wall of the auxiliary annular column.
Preferably, the inner wall of the main pipe is provided with a main supporting spring, the inner wall of the left branch pipe is provided with a left supporting spring, and the inner wall of the right branch pipe is provided with a right supporting spring.
The invention has the following beneficial effects:
1. before the double-cavity tracheal catheter capable of adjusting the air bag at multiple angles is placed into the trachea of a patient, the left branch pipe and the right branch pipe are folded through the adjusting mechanism; secondly, placing the left branch pipe, the right branch pipe and the main pipe in a furled state into the trachea of a patient, and gradually expanding the left branch pipe and the right branch pipe through an adjusting mechanism when the left branch pipe and the right branch pipe reach the trachea bifurcation formed by the trachea, the right branch pipe and the left branch pipe so as to adjust the expansion angles of a first air bag of the left branch pipe and a second air bag of the right branch pipe according to needs, so that the first air bag of the left branch pipe and the second air bag of the right branch pipe are respectively positioned in the left branch pipe and the right branch pipe of the patient; then, the first air bag and the second air bag are respectively inflated through the first air pipe and the second air pipe, so that the first air bag and the second air bag are expanded to respectively plug the left bronchus and the right bronchus; this technical scheme is convenient for carry out effective shutoff to the fistula of the trachea bifurcation department that trachea, right bronchus and left bronchus formed as required, avoids the solid in the esophagus or liquid to get into the air flue through the fistula to greatly reduced the perioperative period serious pneumonia and the risk of suffocating.
2. The design of the third air bag and the fourth air bag is convenient for plugging the left branch pipe or the right branch pipe according to the requirement.
3. The main control line is pulled, the main wire winding and unwinding ring drives the left wire winding and unwinding ring and the right wire winding and unwinding ring to rotate, and the left annular groove and the right annular groove respectively wind and store the left control line and the right control line, so that the left branch pipe and the right branch pipe are in a folded state; when the left branch pipe and the right branch pipe reach the trachea bifurcation formed by the trachea, the right branch pipe and the left branch pipe, the left branch pipe and the right branch pipe have the tendency of opening outwards, the main control line is slowly replayed, and the left branch pipe and the right branch pipe are gradually opened under the tension control of the left control line and the right control line respectively, so that the left branch pipe and the right branch pipe can enter the left branch pipe and the right branch pipe corresponding to a patient respectively, the operation is convenient and fast, and the practicability is improved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of the left branch pipe and the right branch pipe when they are folded in one embodiment of the present invention;
FIG. 3 is an enlarged view of the adjustment mechanism of FIG. 2;
fig. 4 is a sectional view taken along line a-a of fig. 2.
Reference numerals:
1-main tube, 11-first gas delivery tube, 12-second gas delivery tube, 13-third gas delivery tube, 14-fourth gas delivery tube, 15-main channel, 16-main support spring, 2-adjustment mechanism, 201-connecting sleeve, 202-inner sleeve, 203-connecting bearing, 204-main retraction loop, 205-left retraction loop, 206-right retraction loop, 207-main control line, 208-left control line, 209-right control line, 210-first closure plate, 211-second closure plate, 212-first vent hole, 213-second vent hole, 214-third vent hole, 215-main annular groove, 216-first annular post, 217-left annular groove, 218-right annular groove, 219-left connecting channel, 220-right connecting channel, 221-left conduit, 222-right conduit, 223-fixed pulley, 224-coil spring, 225-second annular column, 226-auxiliary annular column, 227-annular plate, 228-first air inlet pipe, 229-second air inlet pipe, 230-third air inlet pipe, 231-fourth air inlet pipe, 232-first air release pipe, 233-second air release pipe, 234-third air release pipe, 235-fourth air release pipe, 3-left branch pipe, 31-first air bag, 32-third air bag, 33-left support spring, 34-left control channel, 4-right branch pipe, 41-second air bag, 42-fourth air bag, 43-right support spring, and 44-right control channel.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to 4, the dual-lumen endotracheal tube capable of adjusting an air bag at multiple angles provided by the present embodiment includes a main tube 1, an adjusting mechanism 2, a left branch tube 3, a first air delivery tube 11, a second air delivery tube 12 and a right branch tube 4; one end of the main pipe 4 is connected with the adjusting mechanism 2, and the left branch pipe 3 and the right branch pipe 4 are both connected with the adjusting mechanism 2. The main pipe 1 is communicated with the inner cavity of the adjusting mechanism 2, the left branch pipe 3 is communicated with the inner cavity of the adjusting mechanism 2, and the right branch pipe 4 is communicated with the inner cavity of the adjusting mechanism 2. In a free state, the left branch pipe 3 and the right branch pipe 4 are splayed, and the adjusting mechanism 2 is used for adjusting splayed opening degrees of the left branch pipe 3 and the right branch pipe 4. The left branch pipe 3 is sleeved with a first air bag 31, and one end of a first air conveying pipe 11 is connected and communicated with the first air bag 31; the right branch pipe 4 is sleeved with a second air bag 41, and one end of the second air conveying pipe 12 is connected and communicated with the second air bag 41; the main pipe 1, the left branch pipe 3, the first air pipe 11, the second air pipe 12 and the right branch pipe 4 are all made of soft transparent materials.
In the technical scheme, before the double-cavity tracheal catheter with the multi-angle adjustable air bag is placed into the trachea of a patient, the left branch pipe 3 and the right branch pipe 4 are folded by the adjusting mechanism; secondly, the left branch pipe 3 and the right branch pipe 4 which are folded and the main pipe 1 are placed into the trachea of a patient, when the left branch pipe 3 and the right branch pipe 4 reach the trachea bifurcation formed by the trachea, the right branch pipe and the left branch pipe, the left branch pipe 3 and the right branch pipe 4 are gradually expanded through the adjusting mechanism 2, so that the expansion angles of the first air bag 31 of the left branch pipe 3 and the second air bag 41 of the right branch pipe 4 can be adjusted as required, and the first air bag 31 of the left branch pipe 3 and the second air bag 41 of the right branch pipe 4 are respectively positioned in the left branch pipe and the right branch pipe of the patient; then, the first air bag 31 and the second air bag 41 are respectively inflated through the first air pipe 11 and the second air pipe 12, so that the first air bag 31 and the second air bag 41 are respectively inflated to seal the left bronchus and the right bronchus; this technical scheme is convenient for carry out effective shutoff to the fistula of the trachea bifurcation department that trachea, right bronchus and left bronchus formed as required, avoids the solid in the esophagus or liquid to get into the air flue through the fistula to greatly reduced the perioperative period serious pneumonia and the risk of suffocating appear, play the effect of safety guarantee for this kind of patient's clinical diagnosis and treatment work.
In order to avoid the phenomenon that the first air delivery pipe 11 and the second air delivery pipe 12 scatter randomly, the outer wall of the first air delivery pipe 11 is connected with the left branch pipe 3 and the main pipe 1 along the length direction, and one end of the first air bag far away from the first air delivery pipe 11 is flush with the end of the remote adjusting mechanism of the main pipe 1; the outer wall of the second air delivery pipe 12 is connected with the right branch pipe 4 and the main pipe 1 along the length direction, and one end of the second air bag far away from the second air delivery pipe 12 is flush with the end of the far adjusting mechanism far away from the main pipe 1.
In addition, the double-cavity tracheal catheter capable of adjusting the air bag in multiple angles also comprises a third air pipe 13, a fourth air pipe 14, a third air bag 32 and a fourth air bag 42; the third air bag 32 is arranged in the left branch pipe 3, and one end of the third air conveying pipe 13 penetrates through the wall thickness of the left branch pipe 3 to be connected and communicated with the third air bag 32; the fourth air bag 42 is arranged in the right branch pipe 4, and one end of the fourth air pipe 14 passes through the wall thickness of the right branch pipe 4 to be connected and communicated with the fourth air bag 42. The third air bag 32 and the fourth air bag 42 are designed to facilitate the plugging of the left branch pipe 3 or the right branch pipe 4 according to requirements. Moreover, the outer wall of the third air pipe 13 is connected with the left branch pipe 3 and the main pipe 1 along the length direction, and one end of the third air bag far away from the third air pipe 13 is flush with the end of the far adjusting mechanism of the main pipe 1; the outer wall of the fourth air delivery pipe 14 is connected with the right branch pipe 4 and the main pipe 1 along the length direction, and one end of the fourth air delivery pipe 14 far away from the third air bag is flush with the end of the main pipe 1 far away from the adjusting mechanism. In this embodiment, the third gas pipe 13 and the fourth gas pipe 14 are both made of soft transparent materials.
In order to facilitate the inflation and deflation of the first air bag 31, the second air bag 41, the third air bag 32 and the fourth air bag 42, the air inlet ends of the first air pipe 11, the second air pipe 12, the third air pipe 13 and the fourth air pipe 14 are respectively connected with a first air inlet pipe 228, a second air inlet pipe 229, a third air inlet pipe 230 and a fourth air inlet pipe 231, and the first air inlet pipe 228, the second air inlet pipe 229, the third air inlet pipe 230 and the fourth air inlet pipe 231 are all provided with one-way valves; the first air inlet pipe 228 is provided with a first air escape pipe 232 between the one-way valve and the air inlet end of the first air delivery pipe 11, and the first air escape pipe 232 is provided with an air escape valve; a second air leakage pipe 233 is arranged between the one-way valve and the air inlet end of the second air delivery pipe 12 in the second air inlet pipe 229, and an air leakage valve is arranged on the second air leakage pipe 229; a third air leakage pipe 234 is arranged between the one-way valve and the air inlet end of the third air delivery pipe 13 of the third air inlet pipe 230, and an air leakage valve is arranged on the third air leakage pipe 234; a fourth air release pipe 235 is arranged between the one-way valve and the air inlet end of the fourth air delivery pipe 14 in the fourth air inlet pipe 231, and an air release valve is arranged on the fourth air release pipe 235.
Specifically, the adjustment mechanism 2 includes a connection sleeve 201, an inner sleeve 202, a connection bearing 203, a main retractable wire loop 204, a left retractable wire loop 205, a right retractable wire loop 206, a main control wire 207, a left control wire 208, and a right control wire 209. The two ends of the connecting sleeve 201 are respectively provided with a first blocking plate 210 and a second blocking plate 211, the inner sleeve 202 is arranged in the connecting sleeve 201 with the same axial center line, the two ends of the inner sleeve 202 are respectively connected with the first blocking plate 210 and the second blocking plate 211, and a mounting cavity is formed between the connecting sleeve 201 and the inner sleeve 202. The first plugging plate 210 is connected with the main pipe 1, the left branch pipe 3 and the right branch pipe 4 are both connected with the second plugging plate 211, the first plugging plate 210 is provided with a first vent hole 212 which enables the inner cavity of the main pipe 1 to be communicated with the inner cavity of the inner sleeve pipe 202, the second plugging plate 211 is provided with a second vent hole 213 which enables the inner cavity of the inner sleeve pipe 202 to be communicated with the inner cavity of the left branch pipe 3, and the second plugging plate 211 is provided with a third vent hole 214 which enables the inner cavity of the inner sleeve pipe 202 to be communicated with the inner cavity of the right branch pipe 4.
The inner ring of the connecting bearing 203 is sleeved on the inner sleeve 202, the main winding and unwinding wire ring 204 is sleeved on the outer ring of the connecting bearing 203, and the main winding and unwinding wire ring 204 is provided with a main annular groove 215; a first annular column 216 with the same axial center line is arranged on the inner ring of the connecting bearing 203 close to the second plugging plate side, the inner diameter of the first annular column 216 is larger than the outer diameter of the inner sleeve 202, the left winding and unwinding wire ring 205 and the right winding and unwinding wire ring 206 are both sleeved on the first annular column 216, a left annular groove 217 is arranged on the left winding and unwinding wire ring 205, and a right annular groove 218 is arranged on the right winding and unwinding wire ring 206.
The left branch pipe 3 is provided with a left control channel 34 along the length direction, the left control channel 34 is positioned at one side close to the right branch pipe 4, the end of the left control channel 34 close to the second plugging plate is arranged in an opening way, a left connecting channel 219 for communicating the arrangement cavity with the left control channel 34 is arranged in the second plugging plate 211, one end of a left control line 208 is connected with the bottom of a left annular groove 217 of the left retractable wire ring 205, and the other end of the left control line 208 is connected with the far second plugging plate end of the left control channel 34 through the arrangement cavity and the left connecting channel 219 in sequence. The right branch pipe 4 is provided with a right control channel 44 along the length direction, the right control channel 44 is positioned at one side close to the left branch pipe 3, the end, close to the second plugging plate, of the right control channel 44 is arranged in an open mode, a right connecting channel 220 for communicating and arranging the cavity and the right control channel 44 is arranged in the second plugging plate 211, one end of a right control wire 209 is connected with the bottom of a right annular groove 218 of the right retractable wire ring 206, and the other end of the right control wire 209 is connected with the far second plugging plate end of the right control channel 44 through the arrangement cavity and the right connecting channel 220 in sequence.
The main pipe 1 is provided with a through main channel 15 along the length direction, and a through hole is formed in the position, corresponding to the main channel, of the first plugging plate 210; one end of the main control wire 207 is connected with the bottom of the main annular groove 215, and the main control wire 207 is wound in the main annular groove 215; the other end of the main control line 207 is arranged outside the main pipe 1 through the through hole and the main channel 15 in sequence.
Before the double-cavity tracheal catheter with the multi-angle adjustable air bag is placed in the trachea of a patient, the main wire-retracting ring 204 drives the left wire-retracting ring 205 and the right wire-retracting ring 206 to rotate by pulling the main control wire 207, and the left annular groove 217 and the right annular groove 218 respectively wind and store the left control wire 208 and the right control wire 209 so that the left branch pipe 3 and the right branch pipe 4 are in a furled state; then put into patient's trachea slowly with but the two-chamber endotracheal tube of multi-angle regulation gasbag, when left branch pipe 3 and right branch pipe 4 reach the trachea, the trachea bifurcation department that right bronchus and left bronchus formed, because left branch pipe 3 and right branch pipe 4 have the outward trend of opening, slowly replay main control line 207, left branch pipe 3 and right branch pipe 4 open gradually under the tension control of left control line 208 and right control line 209 respectively, thereby realize that left branch pipe 3 and right branch pipe 4 get into respectively in patient's corresponding left bronchus and right bronchus, convenient operation is swift, and the practicality is improved.
In order to facilitate the left control wire 208 to be uniformly wound in the left annular groove 217 of the left retractable wire ring 205, the second blocking plate 211 is provided with a left conduit 221 corresponding to the left connecting channel, one end of the left conduit 221 close to the first annular column is bent towards the left annular groove 217, and the other end of the left control wire 208 passes through the left conduit 221 and enters the left connecting channel 219. In order to facilitate the right control wire 209 to uniformly wind in the right annular groove 218 of the right retractable wire ring 206, the second blocking plate 211 is provided with a right conduit 222 corresponding to the right connection channel, one end of the right conduit 222 close to the first annular pillar is bent towards the right annular groove, and the other end of the right control wire 209 passes through the right conduit 222 and enters the right connection channel 220.
Furthermore, the adjustment mechanism 2 further includes a coil spring 224; a second annular column 225 which is coaxial with the central line is arranged on the inner ring of the connecting bearing 203 close to the first blocking plate side, an auxiliary annular column 226 which is coaxial with the central line of the inner sleeve is arranged on the first blocking plate 210, the auxiliary annular column 226 is positioned in the accommodating cavity, an annular plate 227 which is coaxial with the central line is arranged on the side, far away from the first blocking plate, of the auxiliary annular column 226, and the inner diameter of the annular plate 227 is larger than the outer diameter of the second annular column 225; a coil spring 224 is fitted over the second annular post 225 and the coil spring 224 is placed on the annular plate 227 with the inner end of the coil spring 224 attached to the second annular post 225 and the outer end of the coil spring 224 attached to the inner wall of the auxiliary annular post 226. The design of the coil spring 224 is helpful for the connecting bearing 203 to drive the main wire-retracting ring 204, the left wire-retracting ring 205 and the right wire-retracting ring 206 to rotate, and the left control wire 208 and the right control wire 209 are loosened, so that the left branch pipe 3 and the right branch pipe 4 are opened.
To facilitate uniform winding of the primary control wire 207 in the primary annular groove 215 of the primary payoff wire loop 204 and to facilitate accurate introduction of the primary control wire 207 into the through hole of the first blanking plate 210 and the primary channel 15; the inner wall of the connecting sleeve 201 is provided with a fixed pulley 223 corresponding to the main annular groove, and the other end of the main control wire 207 passes through the fixed pulley 223 and the through hole to enter the main channel 15.
In order to avoid the phenomenon that the main pipe 1, the left branch pipe 3 and the right branch pipe 4 are locally sunken or bent to cause plugging during working, the inner wall of the main pipe 1 is provided with a main supporting spring 16, the inner wall of the left branch pipe 3 is provided with a left supporting spring 33, and the inner wall of the right branch pipe 4 is provided with a right supporting spring 43. The length of the main support spring 16 is close to that of the main pipe 1, the length of the left support spring 33 is close to that of the left branch pipe 3, and the length of the right support spring 43 is close to that of the right branch pipe 4. Moreover, after the left branch pipe 3 and the right branch pipe 4 are respectively combined with the left supporting spring 33 and the right supporting spring 43 to perform long-time pre-bending and shaping, the left branch pipe 3 and the right branch pipe 4 are convenient to maintain the outward bending state for a long time, so that the left branch pipe 3 and the right branch pipe 4 are splayed in a free state, the left branch pipe 3 and the right branch pipe 4 in a furled state are enabled to have a stronger outward opening trend, the left branch pipe 3 and the right branch pipe 4 are convenient to be rapidly separated at the branch position of the trachea formed by the trachea, the right branch pipe and the left branch pipe, and the working efficiency is improved.
It should be noted that the above preferred embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not cause the essence of the corresponding technical solution to depart from the scope of the technical solution of the embodiments of the present invention, and are intended to be covered by the claims and the specification of the present invention.

Claims (8)

1. The utility model provides a but two-chamber endotracheal tube of air bag is adjusted to multi-angle which characterized in that: comprises a main pipe, an adjusting mechanism, a left branch pipe, a first gas pipe, a second gas pipe and a right branch pipe;
one end of the main pipe is connected with the adjusting mechanism, and the left branch pipe and the right branch pipe are both connected with the adjusting mechanism; the main pipe is communicated with the inner cavity of the adjusting mechanism, the left branch pipe is communicated with the inner cavity of the adjusting mechanism, and the right branch pipe is communicated with the inner cavity of the adjusting mechanism; in a free state, the left branch pipe and the right branch pipe are splayed, and the adjusting mechanism is used for adjusting splayed opening degrees of the left branch pipe and the right branch pipe;
the left branch pipe is sleeved with a first air bag, and one end of the first air delivery pipe is connected and communicated with the first air bag; a second air bag is sleeved on the right branch pipe, and one end of the second air conveying pipe is connected and communicated with the second air bag;
the main pipe, the left branch pipe, the first gas pipe, the second gas pipe and the right branch pipe are all made of soft transparent materials;
the adjusting mechanism comprises a connecting sleeve, an inner sleeve, a connecting bearing, a main winding and unwinding ring, a left winding and unwinding ring, a right winding and unwinding ring, a main control line, a left control line and a right control line;
a first plugging plate and a second plugging plate are respectively arranged at two ends of the connecting sleeve, the inner sleeve is arranged in the connecting sleeve along the axial center line, two ends of the inner sleeve are respectively connected with the first plugging plate and the second plugging plate, and a mounting cavity is formed between the connecting sleeve and the inner sleeve; the first plugging plate is connected with the main pipe, the left branch pipe and the right branch pipe are both connected with the second plugging plate, the first plugging plate is provided with a first vent hole which enables the inner cavity of the main pipe to be communicated with the inner cavity of the inner sleeve, the second plugging plate is provided with a second vent hole which enables the inner cavity of the inner sleeve to be communicated with the inner cavity of the left branch pipe, and the second plugging plate is provided with a third vent hole which enables the inner cavity of the inner sleeve to be communicated with the inner cavity of the right branch pipe;
the inner ring of the connecting bearing is sleeved on the inner sleeve, the main winding and unwinding wire ring is sleeved on the outer ring of the connecting bearing, and a main annular groove is formed in the main winding and unwinding wire ring; a first annular column which is coaxial with the axial center line is arranged on the inner ring of the connecting bearing close to the second plugging plate side, the inner diameter of the first annular column is larger than the outer diameter of the inner sleeve, the left winding and unwinding wire ring and the right winding and unwinding wire ring are both sleeved on the first annular column, a left annular groove is arranged on the left winding and unwinding wire ring, and a right annular groove is arranged on the right winding and unwinding wire ring;
the left branch pipe is provided with a left control channel along the length direction, the left control channel is positioned at one side close to the right branch pipe, the end of the left control channel close to the second plugging plate is arranged in an opening manner, a left connecting channel for communicating the accommodating cavity with the left control channel is arranged in the second plugging plate, one end of the left control line is connected with the bottom of a left annular groove of the left winding and unwinding wire ring, and the other end of the left control line is connected with the end, far away from the second plugging plate, of the left control channel through the accommodating cavity and the left connecting channel in sequence;
the right branch pipe is provided with a right control channel along the length direction, the right control channel is positioned at one side close to the left branch pipe, the end of the right control channel close to the second plugging plate is arranged in an opening manner, a right connecting channel for communicating the placement cavity and the right control channel is arranged in the second plugging plate, one end of the right control wire is connected with the bottom of a right annular groove of the right retractable wire ring, and the other end of the right control wire is connected with the end, far away from the second plugging plate, of the right control channel through the placement cavity and the right connecting channel in sequence;
the main pipe is provided with a through main channel along the length direction, and a through hole is formed in the position, corresponding to the main channel, of the first plugging plate; one end of the main control wire is connected with the bottom of the main annular groove, and the main control wire is wound in the main annular groove; the other end of the main control line sequentially passes through the through hole and the main channel and is arranged outside the main pipe.
2. The dual-lumen endotracheal tube of a multi-angle adjustable balloon of claim 1, characterized in that:
the outer wall of the first gas pipe is connected with the left branch pipe and the main pipe along the length direction, and one end, far away from the first air bag, of the first gas pipe is flush with the end, far away from the adjusting mechanism, of the main pipe; the outer wall of the second air delivery pipe is connected with the right branch pipe and the main pipe along the length direction, and one end of the second air bag far away from the second air delivery pipe is flush with the end of the far adjusting mechanism far away from the main pipe.
3. The dual-lumen endotracheal tube of a multi-angle adjustable balloon of claim 1, characterized in that: the air bag is characterized by also comprising a third air pipe, a fourth air pipe, a third air bag and a fourth air bag;
the third air bag is arranged in the left branch pipe, and one end of the third air conveying pipe penetrates through the wall thickness of the left branch pipe to be connected and communicated with the third air bag; the fourth air bag is arranged in the right branch pipe, and one end of the fourth air conveying pipe penetrates through the wall thickness of the right branch pipe to be connected and communicated with the fourth air bag.
4. The dual-lumen endotracheal tube of a multi-angle adjustable balloon of claim 3, characterized in that:
the outer wall of the third gas pipe is connected with the left branch pipe and the main pipe along the length direction, and one end of the third gas bag far away from the third gas pipe is flush with the end of the remote adjusting mechanism of the main pipe; the outer wall of the fourth gas pipe is connected with the right branch pipe and the main pipe along the length direction, and one end of the fourth gas pipe far away from the third air bag is flush with the end of the main pipe far adjusting mechanism.
5. The dual-lumen endotracheal tube of a multi-angle adjustable balloon of claim 1, characterized in that:
a left conduit is arranged at the position, corresponding to the left connecting channel, of the second plugging plate, one end, close to the first annular column, of the left conduit is bent towards the left annular groove, and the other end of the left control wire penetrates through the left conduit to enter the left connecting channel; and a right conduit is arranged at the position of the second plugging plate corresponding to the right connecting channel, one end of the right conduit close to the first annular column is bent towards the right annular groove, and the other end of the right control wire penetrates through the right conduit to enter the right connecting channel.
6. The dual-lumen endotracheal tube of a multi-angle adjustable balloon of claim 1, characterized in that:
and a fixed pulley is arranged on the inner wall of the connecting sleeve corresponding to the main annular groove, and the other end of the main control line penetrates through the fixed pulley and the through hole to enter the main channel.
7. The dual-lumen endotracheal tube of a multi-angle adjustable balloon of claim 1, characterized in that:
the adjusting mechanism further comprises a coil spring;
a second annular column with the same axial center line is arranged on the inner ring of the connecting bearing close to the first plugging plate, the first plugging plate is provided with an auxiliary annular column with the same axial center line as the inner sleeve, the auxiliary annular column is positioned in the accommodating cavity, an annular plate with the same axial center line is arranged on the side of the auxiliary annular column far away from the first plugging plate, and the inner diameter of the annular plate is larger than the outer diameter of the second annular column; the coil spring is sleeved on the second annular column and placed on the annular plate, the inner end of the coil spring is connected with the second annular column, and the outer end of the coil spring is connected with the inner wall of the auxiliary annular column.
8. The dual-lumen endotracheal tube of a multi-angle adjustable balloon of claim 1, characterized in that:
the inner wall of the main pipe is provided with a main supporting spring, the inner wall of the left branch pipe is provided with a left supporting spring, and the inner wall of the right branch pipe is provided with a right supporting spring.
CN202010916230.8A 2020-09-03 2020-09-03 Double-cavity tracheal catheter with multi-angle adjustable air bag Active CN111991046B (en)

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CN112915031B (en) * 2021-03-08 2022-09-23 重庆大学附属肿瘤医院 Special fixer of recoverable esophagus support line

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WO2002047748A1 (en) * 2000-12-14 2002-06-20 Bodenham Andrew R Device for selective bronchial intubation and separate lund ventilation
CN202478356U (en) * 2012-01-22 2012-10-10 广州医学院第一附属医院 Single-lumen type bronchial catheter
CN207168811U (en) * 2017-03-03 2018-04-03 深圳市泽洋医疗器械科技有限公司 Concertina type is intubated
CN211245043U (en) * 2019-12-17 2020-08-14 宁波市第一医院 Tracheal catheter suitable for single-lung and double-lung ventilation

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US6520183B2 (en) * 2001-06-11 2003-02-18 Memorial Sloan-Kettering Cancer Center Double endobronchial catheter for one lung isolation anesthesia and surgery

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002047748A1 (en) * 2000-12-14 2002-06-20 Bodenham Andrew R Device for selective bronchial intubation and separate lund ventilation
CN202478356U (en) * 2012-01-22 2012-10-10 广州医学院第一附属医院 Single-lumen type bronchial catheter
CN207168811U (en) * 2017-03-03 2018-04-03 深圳市泽洋医疗器械科技有限公司 Concertina type is intubated
CN211245043U (en) * 2019-12-17 2020-08-14 宁波市第一医院 Tracheal catheter suitable for single-lung and double-lung ventilation

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