CN113521468B - Tracheal catheter's pipe depth detection device and tracheal catheter put - Google Patents
Tracheal catheter's pipe depth detection device and tracheal catheter put Download PDFInfo
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- CN113521468B CN113521468B CN202110685897.6A CN202110685897A CN113521468B CN 113521468 B CN113521468 B CN 113521468B CN 202110685897 A CN202110685897 A CN 202110685897A CN 113521468 B CN113521468 B CN 113521468B
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- wall
- tube
- truncated cone
- main body
- circular truncated
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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
- A61M16/0402—Special features for tracheal tubes not otherwise provided for
-
- 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
- A61M16/0434—Cuffs
-
- 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
- A61M16/0497—Tube stabilizer
-
- 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
- A61M25/1018—Balloon inflating or inflation-control devices
- A61M25/10184—Means for controlling or monitoring inflation or deflation
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
Abstract
The invention relates to the technical field of medical instruments, in particular to a tube placement depth detection device of a tracheal catheter, which comprises: the pressure sensing component is arranged on the pipe wall of the main body of the catheter; the pressure sensing component comprises a shell, an elastic conducting piece and a detecting piece connected with the elastic conducting piece; when the catheter main body extends into the trachea of the human body, the shell is always kept in contact with the inner wall of the trachea of the human body under the action of the elasticity of the elastic conduction piece, and the pressure of the inner wall of the trachea of the human body, acting on the shell, can be transmitted to the detection piece through the elastic conduction piece and detected by the detection piece; and the recording part is in signal connection with the detection part and is used for recording the detected pressure fluctuation of the detection part. The device for detecting the tube placing depth of the tracheal catheter can objectively and accurately judge the tube placing depth of the tracheal catheter in a human trachea. The invention also provides a tracheal catheter.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a tracheal catheter and a tube placement depth detection device thereof.
Background
The tracheal catheter is a key medical instrument in general anesthesia operation, is directly used in a patient body, and establishes a temporary ventilation channel for the patient. Generally, scales are arranged on the side wall of the tracheal catheter, so that a doctor can conveniently judge the intubation depth, but in actual use, the bent part of the tracheal catheter in the oral cavity is easily counted into the total intubation depth of the tracheal catheter in a human body by the aid of the judging mode, and the lengths of the bent parts are different due to individual differences, so that the intubation depth of the tracheal catheter in the trachea cannot be objectively judged.
Disclosure of Invention
The invention aims to provide a tracheal catheter intubation depth detection device and a tracheal catheter, which are used for solving the problems in the prior art and improving the objectivity and accuracy of judging the intubation depth of the tracheal catheter in the trachea of a human body.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a device for detecting the tube placing depth of a tracheal catheter, which comprises: the pressure sensing component is arranged on the pipe wall of the main body of the catheter; the pressure sensing component comprises a shell, an elastic conducting piece and a detecting piece connected with the elastic conducting piece; in the process that the catheter main body extends into a trachea of a human body, the shell is always kept in contact with the inner wall of the trachea of the human body under the action of the elasticity of the elastic conduction piece, and the pressure of the inner wall of the trachea of the human body, acting on the shell, can be transmitted to the detection piece through the elastic conduction piece and detected by the detection piece; and the recording part is in signal connection with the detection piece and is used for recording the detected pressure fluctuation of the detection piece.
Preferably, the outer shell is provided with a hard circular truncated cone ring, the elastic conducting piece is provided with a spring, and the detecting piece is provided with a pressure sensor; the small-diameter end of the rigid circular truncated cone ring is used for being fixedly connected with the pipe wall of the catheter main body, the spring and the pressure sensor are arranged between the rigid circular truncated cone ring and the catheter main body, one end of the spring is connected with the inner wall of the rigid circular truncated cone ring, the other end of the spring is connected with the pressure sensor, and the pressure sensor is used for being connected with the pipe wall of the catheter main body; in the process that the catheter main body extends into the trachea of the human body, the large-diameter end of the rigid circular truncated cone ring is always in contact with the inner wall of the trachea of the human body, and the spring can transmit the pressure between the large-diameter end of the rigid circular truncated cone ring and the inner wall of the trachea of the human body to the pressure sensor; the pressure sensor is in signal connection with the recording component through a guide wire.
Preferably, the number of the pressure sensors and the number of the springs are the same and are at least two, the pressure sensors are uniformly arranged between the rigid circular truncated cone ring and the catheter main body along the circumferential direction, one spring is arranged between each pressure sensor and the rigid circular truncated cone ring, and each pressure sensor is in signal connection with the recording component through the guide wire.
The invention also provides a tracheal catheter which comprises the tracheal catheter placement depth detection device; the catheter comprises a catheter main body and a tightening part, wherein the tightening part is arranged on the tube wall of the catheter main body, is close to the exposed end of the catheter main body, is connected with the rigid circular truncated cone ring, and is used for enabling the rigid circular truncated cone ring to be separated from the inner wall of the trachea of the human body; and the positioning component is arranged on the tube wall of the catheter main body and is used for positioning the catheter main body in the human trachea.
Preferably, the catheter body comprises an outer tube and an inner tube; a clearance space is arranged between the outer pipe and the inner pipe; the small-diameter end of the rigid circular truncated cone ring and the pressure sensor are fixedly connected with the pipe wall of the outer pipe, the guide wire is arranged in the gap space, one end of the guide wire penetrates through the pipe wall of the outer pipe and is in signal connection with the pressure sensor, and the other end of the guide wire is in signal connection with the recording component.
Preferably, an opening and an annular electrode plate are further arranged on the wall of the outer tube, the opening and the annular electrode plate are both close to the exposed end, and the annular electrode plate is located between the tightening part and the opening; the annular electrode plate is arranged on the inner wall surface of the outer tube, and one end of the guide wire, which is far away from the pressure sensor, is in signal connection with the annular electrode plate; the annular electrode plate is in signal connection with the recording component through a monitoring clamp clamped at the opening.
Preferably, the monitoring clip comprises a first clip body, a second clip body and a lead; a contact electric sheet is arranged on the side surface of the first clamp body facing the second clamp body, and when the monitoring clamp is clamped at the opening, the side surface of the first clamp body facing the second clamp body is attached to the inner wall surface of the outer tube, so that the contact electric sheet is in contact with the annular electrode sheet; a lead inlet and outlet is formed in the second clamp body, one end of the lead is in signal connection with the contact sheet through the lead inlet and outlet, and the other end of the lead is in signal connection with the display part; and an elastic soft cushion is arranged on the side surface of the second clamp body facing the first clamp body.
Preferably, the tightening member includes a tightening wire, a conductive pulley, and a slider; the outer pipe is sleeved with the slide fastener, the slide fastener is close to the exposed end, a slide rail is arranged on the outer peripheral surface of the outer pipe, and the slide fastener can move along the slide rail along the axial direction of the catheter main body; the number of the tightening lines is at least two, the number of the conducting pulleys is the same as that of the tightening lines, the tightening lines are uniformly distributed in the gap space along the circumferential direction of the catheter main body, one end of each tightening line penetrates through the tube wall of the outer tube to be fixedly connected with the large-diameter end of the rigid circular truncated cone ring, and the other end of each tightening line penetrates through the tube wall of the outer tube to be fixedly connected with the sliding buckle; the position that is used for on the pipe wall of outer tube of each tightening wire with the one end that hard round platform ring is connected passes all sets up to the through-hole, every through-hole department all is provided with one the conduction pulley every tightening wire is taut the in-process of hard round platform ring, every tightening wire all the time with correspond the recess lower part contact of conduction pulley.
Preferably, a soft thin surface is further arranged between the large-diameter end of the rigid circular truncated cone ring and the pipe wall of the outer pipe, the soft thin surface, the rigid circular truncated cone ring and the pipe wall of the outer pipe enclose a closed cavity, and the pressure sensors, the springs, the portions of the tightening wires penetrating through the pipe wall of the outer pipe and connected with the rigid circular truncated cone ring and the conduction pulleys are located in the closed cavity.
Preferably, the positioning component comprises an inflation bag, an inflation tube and an inflation bag; the inflatable bag cover is located on the outer tube and the inflatable bag is close to the extending-in end, the middle part of the inflatable tube is located in the clearance space, one end of the inflatable tube penetrates through the tube wall of the outer tube and is communicated with the inflatable bag, and the other end of the inflatable tube is close to the exposed end and penetrates through the tube wall of the outer tube and the outside the inflatable bag.
Compared with the prior art, the invention achieves the following technical effects:
the invention provides a device for detecting the tube placement depth of a tracheal catheter, which is characterized in that when an extending end of a catheter main body begins to extend into a trachea of a human body, a shell is in contact with the inner wall of the trachea of the human body, and the shell is always in contact with the inner wall of the trachea of the human body under the elastic force of an elastic conduction piece.
The invention provides a tracheal catheter, which comprises a catheter main body, a tracheal catheter tube placement depth detection device, a tightening part and a positioning part, wherein the tracheal catheter tube placement depth detection device comprises a catheter main body and a tracheal catheter tube placement depth detection device; the tightening part is arranged on the tube wall of the catheter main body and is connected with the rigid circular truncated cone ring in the tube placing depth detection device, after the tube placing depth of the catheter main body reaches the required depth or in the process that the catheter main body is moved out of a trachea of a human body after use, the tightening part can enable the rigid circular truncated cone ring to be separated from the inner wall of the trachea of the human body, the rigid circular truncated cone ring and the inner wall of the trachea of the human body are prevented from being in a squeezing state for a long time to damage the inner wall of the trachea of the human body in the use process of the tracheal catheter, the tracheal ring is prevented from blocking the movement of the rigid circular truncated cone ring to damage the inner wall of the trachea of the human body in the moving process of the tracheal catheter after use, and the tightening part is close to the exposed end of the catheter main body, so that an operator can conveniently operate; the positioning part is arranged on the tube wall of the catheter main body, and when the tube placing depth of the tracheal catheter reaches the required depth, the positioning part enables the tracheal catheter to keep fixed in position in the trachea of a human body, so that the tracheal catheter can be conveniently and normally used.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of an endotracheal tube provided in the present invention;
FIG. 2 is an internal structural view of a pressure sensing part and a tightening part provided by the present invention;
FIG. 3 is a cross-sectional view of the mating of the pressure sensing component and the catheter body provided by the present invention;
FIG. 4 is a block diagram of a monitoring clip provided in accordance with the present invention;
FIG. 5 is a schematic view of the monitoring clip and catheter body of the present invention in mating relationship.
Icon: 1-a tracheal tube; 11-a catheter body; 111-extending-in end; 112-exposed end; 113-an outer tube; 1131-opening; 1132 — ring-shaped electrode pads; 114-an inner tube; 115-gap space; 12-a pressure sensing component; 121-hard circular truncated ring; 122-a spring; 123-a pressure sensor; 13-a tightening member; 131-tightening the wire; 132-a conducting pulley; 133-a slide fastener; 14-a positioning member; 141-an inflatable bag; 142-an inflation tube; 143-inflating the air bag; 15-a guide wire; 16-a slide rail; 17-soft thin surface; 18-a closed cavity; 19-a monitoring clip; 191-a first clamp body; 1911-contact pads; 192-a second clip body; 1921-guidewire access port; 1922-elastic cushion; 193-conductive line.
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.
The invention aims to provide a tracheal catheter intubation depth detection device and a tracheal catheter, which are used for solving the problems in the prior art and improving the objectivity and accuracy of judging the intubation depth of the tracheal catheter in the trachea of a human body.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example one
Referring to fig. 1 and fig. 2, the present embodiment provides a device for detecting the insertion depth of an endotracheal tube 1, including: the pressure sensing part 12 and the recording part are arranged on the catheter main body 11, the pressure sensing part 12 comprises a shell, an elastic conducting piece and a detecting piece connected with the elastic conducting piece, and the recording part is in signal connection with the detecting piece; when the insertion end 111 of the catheter main body 11 starts to be inserted into the trachea of the human body, the shell is in contact with the inner wall of the trachea of the human body, and the shell is always in contact with the inner wall of the trachea of the human body under the elastic force of the elastic conduction part, because the inner wall of the trachea of the human body is provided with a plurality of convex trachea rings, and the convex trachea rings are uniformly distributed at intervals along the axial direction of the trachea of the human body, in the process that the catheter main body 11 is inserted into the trachea of the human body, the shell can be in contact with the convex trachea rings in sequence, the pressure between the shell and the inner wall of the trachea of the human body can be greatly changed when the shell passes through one trachea ring, the pressure change can be transmitted to the detection part through the elastic conduction part and detected by the detection part, then a detection signal is transmitted to the recording part, the recording part can record the pressure fluctuation detected by the detection part, an operator in an operation can judge the number of the pressure sensing part 12 passing through the trachea rings by observing the recording part, the operator can judge the distance between the adjacent trachea rings through the known adjacent trachea rings, the known distance between the trachea rings, the operator can judge the depth of the catheter main body 11 in the trachea rings = the depth of the trachea, and the depth of the catheter main body 11 b, and the length b of the catheter main body can be judged by considering that the depth b that the length of the catheter main body is 1 b (b), and the length b).
Specifically, the recording unit may be configured as a display, and the detected pressure fluctuation diagram of the detecting element is displayed on the display, so that each time the elastic conducting element passes through one tracheal ring, the pressure between the elastic conducting element and the inner wall of the human trachea increases, and a signal is transmitted to the recording unit after the detection of the detecting element, a peak is generated in the pressure fluctuation diagram of the recording unit, and the number of tracheal rings passed by the pressure sensing unit 12 can be indirectly determined by determining the number of peaks.
In an alternative of this embodiment, please refer to fig. 2, preferably, the housing is configured as a rigid circular table ring 121, the elastic conductive element is configured as a spring 122, and the detecting element is configured as a pressure sensor 123; the small-diameter end of the rigid circular truncated cone 121 is used for being fixedly connected with the pipe wall of the catheter main body 11, the spring 122 and the pressure sensor 123 are arranged between the rigid circular truncated cone 121 and the catheter main body 11, one end of the spring 122 is connected with the inner wall of the rigid circular truncated cone 121, the other end of the spring 122 is connected with the pressure sensor 123, and the pressure sensor 123 is connected with the pipe wall of the catheter main body 11.
In the process that the catheter main body 11 extends into the trachea of the human body, the large-diameter end of the rigid circular truncated cone ring 121 is always in contact with the inner wall of the trachea of the human body, every time the large-diameter end of the rigid circular truncated cone ring 121 passes through one trachea ring, the circumferential direction of the large-diameter end of the rigid circular truncated cone ring 121 can be uniformly pressed, the pressure between the large-diameter end of the rigid circular truncated cone ring 121 and the inner wall of the trachea of the human body is transmitted to the pressure sensor 123 through the spring 122, the pressure sensor 123 detects pressure changes, and signals are transmitted to the recording component through the guide wire 15.
In the alternative of this embodiment, it is preferable that the number of the pressure sensors 123 and the number of the springs 122 are the same and are at least two, the plurality of pressure sensors 123 are uniformly arranged between the rigid circular truncated cone ring 121 and the catheter main body 11 along the circumferential direction, one spring 122 is arranged between each pressure sensor 123 and the rigid circular truncated cone ring 121, and each pressure sensor 123 is in signal connection with the recording component through the guide wire 15; by arranging a plurality of pressure sensors 123 and springs 122, the pressure fluctuation between the hard circular truncated cone 121 and the inner wall of the trachea of the human body can be detected more accurately.
Specifically, referring to fig. 3, the number of the pressure sensors 123 and the springs 122 is 4.
Example two
Referring to fig. 1, the present embodiment provides an endotracheal tube 1, including a tube insertion depth detecting device of the endotracheal tube 1 in the first embodiment, a tube main body 11, a tightening member 13, and a positioning member 14; the tightening part 13 is arranged on the tube wall of the catheter main body 11, the tightening part 13 is connected with the rigid circular truncated cone ring 121 in the tube placing depth detection device, after the tube placing depth of the catheter main body 11 reaches the required depth or in the process of moving the catheter main body 11 out of the trachea of the human body after use, the tightening part 13 can enable the rigid circular truncated cone ring 121 to be separated from the inner wall of the trachea of the human body, so that the rigid circular truncated cone ring 121 and the inner wall of the trachea of the human body are prevented from being in a squeezing state for a long time to damage the inner wall of the trachea of the human body in the use process of the tracheal catheter 1, and the tracheal ring is prevented from obstructing the moving-out of the rigid circular truncated cone ring 121 to damage the inner wall of the trachea of the human body in the moving-out process of the tracheal catheter 1 after use, and the tightening part 13 is close to the exposed end 112 of the catheter main body 11, so that an operator can conveniently operate; the positioning component 14 is arranged on the tube wall of the tube main body 11, and when the tube placing depth of the tracheal tube 1 reaches the required depth, the positioning component 14 enables the tracheal tube 1 to keep fixed in position in the trachea of a human body, so that the tracheal tube 1 can be conveniently and normally used.
In an alternative of this embodiment, preferably, referring to fig. 2, the catheter body 11 includes an outer tube 113 and an inner tube 114; a clearance space 115 is formed between the outer pipe 113 and the inner pipe 114, wherein the small-diameter end of the rigid circular truncated cone ring 121 and the pressure sensor are fixedly connected with the pipe wall of the outer pipe 113, the guide wire 15 is arranged in the clearance space 115, one end of the guide wire 15 penetrates through the pipe wall of the outer pipe 113 to be in signal connection with the pressure sensor, and the other end of the guide wire 15 is in signal connection with the recording component; by providing the gap space 115, the guide wire 15 is disposed within the gap space 115, facilitating management of the guide wire 15.
In an alternative of this embodiment, please refer to fig. 1 and 5, preferably, an opening 1131 and an annular electrode plate 1132 are provided on a tube wall of the outer tube 113, the annular electrode plate 1132 is disposed on an inner wall surface of the outer tube 113, and one end of the guide wire 15 facing away from the pressure sensor is in signal connection with the annular electrode plate 1132; the annular electrode plate 1132 is in signal connection with the recording component through the monitoring clamp 19 clamped at the opening 1131, so that the interface of the tracheal catheter 1 is arranged in the gap space 115 to play a role in protecting the interface; and the opening 1131 and the ring electrode 1132 are both near the exposed end 112, and the ring electrode 1132 is located between the slider 133 of the takeup member 13 and the opening 1131; before the tracheal catheter is placed, the monitoring clamp 19 is clamped at the opening 1131, the pressure sensing component 12 is in signal connection with the recording component, after the depth of the tracheal catheter 1 reaches the requirement, the positioning component 14 positions the tracheal catheter 1, and then the monitoring clamp 19 is taken down from the opening 1131, so that the operation can be completed, and the tracheal catheter 1 cannot have the exposed guide wire 15, so that the operation cannot be influenced.
In an alternative aspect of this embodiment, referring to fig. 4 and 5, the monitoring clip 19 preferably includes a first clip body 191, a second clip body 192, and a wire 193; specifically, a contact pad 1911 is arranged on the side of the first clip body 191 facing the second clip body 192, a lead inlet 1921 is arranged on the second clip body 192, one end of the lead 193 is in signal connection with the contact pad 1911 through the lead inlet 1921, and the other end of the lead 193 is in signal connection with the recording component; when the monitoring clip 19 is held by the outer tube 113 at the opening 1131, the side surface of the first clip body 191 facing the second clip body 192 abuts against the inner wall surface of the outer tube 113 to hold the contact electrode plate 1911 in contact with the annular electrode plate 1132, and the signal of the pressure sensor 123 is transmitted to the recording member via the guide wire 15, the annular electrode plate 1132, the contact electrode plate 1911, and the lead wire 193 in this order.
Further, the side of the second clip body 192 facing the first clip body 191 is provided with an elastic cushion 1922, which serves to protect the wall of the outer tube 113.
In an alternative of this embodiment, please preferably refer to fig. 2, the tightening member 13 specifically includes a tightening wire 131, a conductive pulley 132 and a slider 133; the sliding buckle 133 is sleeved on the wall of the outer tube 113 and close to the exposed end 112, so that an operator can conveniently operate the sliding buckle 133; the outer circumference of the outer tube 113 is provided with a slide rail 16, and the slide fastener 133 can move along the slide rail 16 along the axial direction of the catheter main body 11; the number of the tightening wires 131 is at least two, the number of the conducting pulleys 132 is the same as that of the tightening wires 131, the tightening wires 131 are uniformly distributed in the gap space 115 along the circumferential direction of the catheter main body 11, one end of each tightening wire 131 penetrates through the tube wall of the outer tube 113 to be fixedly connected with the large-diameter end of the rigid circular truncated cone ring 121, and the other end of each tightening wire 131 penetrates through the tube wall of the outer tube 113 to be fixedly connected with the sliding buckle 133; the positions, through which the ends of the tightening wires 131 used for being connected with the rigid circular truncated cone rings 121 penetrate, of the tube wall of the outer tube 113 are all provided with through holes, each through hole is provided with a conducting pulley 132, the conducting pulleys 132 are fixedly connected with the tube wall of the outer tube 113, and in the process that the tightening wires 131 tighten the rigid circular truncated cone rings 121, each tightening wire 131 is always in contact with the groove of the corresponding conducting pulley 132.
Disposing each of the tightening lines 131 in the gap space 115 facilitates management of the tightening lines 131; during the use process of the tracheal catheter 1 and the process of moving out of the trachea of the human body after the use, the operator moves the slide fastener 133 along the slide rail 16 to the direction close to the exposed end 112, and the slide fastener 133 drives each tightening line 131 to reduce the diameter of the large-diameter end of the rigid circular ring 121, so that the rigid circular ring is separated from the inner wall of the trachea of the human body; the large-diameter end of the rigid circular table ring 121 can be uniformly tensioned by arranging the plurality of tightening wires 131, the conduction pulleys 132 are arranged to support the tightening wires 131 and limit the tension direction of the tightening wires 131 to the rigid circular table ring 121, so that the tension direction is perpendicular to the inner wall surface of the rigid circular table ring 121 as much as possible, the diameter of the rigid circular table ring 121 can be reduced by the tightening wires 131, the rigid circular table ring is enabled to be separated from the inner wall of the trachea of a human body, and the conduction pulleys 132 can prevent the tightening wires 131 from damaging the wall of the outer tube 113 in the tightening process.
Furthermore, the sliding rail 16 may be provided with a protrusion for fixing the position of the sliding button 133, and after the rigid circular truncated cone 121 is separated from the inner wall of the trachea of the human body, the sliding button 133 is fixed on the sliding rail 16, so that the operator does not need to apply an external force to maintain the tensioning state all the time.
In an alternative of this embodiment, preferably, referring to fig. 1 and fig. 2, a soft thin surface 17 is further disposed between the large-diameter end of the rigid circular truncated cone 121 and the tube wall of the outer tube 113, the soft thin surface 17, the rigid circular truncated cone 121 and the tube wall of the outer tube 113 enclose a closed cavity 18, and the plurality of pressure sensors, the plurality of springs 122, the portion of the plurality of tightening wires 131 connected to the rigid circular truncated cone 121 through the tube wall of the outer tube 113, and the plurality of conduction pulleys 132 are all located in the closed cavity 18; the soft thin face 17 may serve to protect the internal components of the closed chamber 18.
In the alternative of this embodiment, preferably, referring to fig. 1, the positioning component 14 includes an inflation bag 141, an inflation tube 142 and an inflation bag 143; the air bag 141 is sleeved on the outer tube 113, the air bag 141 is close to the extending end 111, the middle part of the air tube 142 is located in the gap space 115, one end of the air tube 142 penetrates through the tube wall of the outer tube 113 to be communicated with the air bag 141, and the other end of the air tube 142 penetrates through the tube wall of the outer tube 113 at a position close to the exposed end 112 to be communicated with an external air bag 143; in the using process of the tracheal catheter 1, an operator loosens the air bag 143 to enable air to enter the air bag 141 through the air filling pipe 142, so that the air bag 141 is inflated to contact and extrude the inner wall of the trachea of the human body to fix the position of the tracheal catheter 1; the middle portion of the fill tube 142 is disposed within the interstitial space 115 for ease of management.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. The utility model provides a tracheal catheter put a tub degree of depth detection device which characterized in that: the method comprises the following steps:
a pressure sensing component (12) arranged on the pipe wall of the catheter main body (11); the pressure sensing component (12) comprises a shell, an elastic conducting piece and a detecting piece connected with the elastic conducting piece; in the process that the catheter main body (11) extends into a trachea of a human body, the shell is always kept in contact with the inner wall of the trachea of the human body under the action of the elastic force of the elastic conduction piece, and the pressure of the inner wall of the trachea of the human body, which acts on the shell, can be transmitted to the detection piece through the elastic conduction piece and detected by the detection piece; and
recording means in signal communication with the sensing member, the recording means for recording the sensed pressure fluctuations of the sensing member.
2. The endotracheal tube placement depth detection apparatus according to claim 1, characterized in that: the shell is provided with a rigid circular truncated cone ring (121), the elastic conducting piece is provided with a spring (122), and the detecting piece is provided with a pressure sensor (123);
the small-diameter end of the rigid circular truncated cone ring (121) is used for being fixedly connected with the pipe wall of the guide pipe main body (11), the spring (122) and the pressure sensor (123) are arranged between the rigid circular truncated cone ring (121) and the guide pipe main body (11), one end of the spring (122) is connected with the inner wall of the rigid circular truncated cone ring (121), the other end of the spring is connected with the pressure sensor (123), and the pressure sensor (123) is used for being connected with the pipe wall of the guide pipe main body (11);
in the process that the catheter main body (11) extends into the trachea of the human body, the large-diameter end of the rigid circular truncated cone ring (121) is always in contact with the inner wall of the trachea of the human body, and the spring (122) is used for transmitting the pressure between the large-diameter end of the rigid circular truncated cone ring (121) and the inner wall of the trachea of the human body to the pressure sensor (123); the pressure sensor (123) is in signal connection with the recording component via a guide wire (15).
3. The endotracheal tube placement depth detection apparatus according to claim 2, characterized in that: the number of the pressure sensors (123) is the same as that of the springs (122), the number of the pressure sensors (123) is at least two, the pressure sensors (123) are uniformly arranged between the rigid circular truncated cone ring (121) and the catheter main body (11) along the circumferential direction, one spring (122) is arranged between each pressure sensor (123) and the rigid circular truncated cone ring (121), and each pressure sensor (123) is in signal connection with the recording component through the guide wire (15).
4. An endotracheal tube characterized by: the method comprises the following steps:
a catheter main body (11);
the device for detecting the tube setting depth of an endotracheal tube according to any one of claims 1 to 3, comprising a pressure sensing part (12), said pressure sensing part (12) comprising a housing;
the tightening part (13) is arranged on the tube wall of the catheter main body (11), is close to the exposed end (112) of the catheter main body (11) and is connected with the shell, and is used for enabling the shell to be separated from the contact state with the inner wall of the trachea of the human body; and
a positioning component (14), wherein the positioning component (14) is arranged on the tube wall of the catheter main body (11) and is used for positioning the catheter main body (11) in the human trachea.
5. The endotracheal tube according to claim 4, characterized in that: the catheter body (11) comprises an outer tube (113) and an inner tube (114); the pressure sensing component (12) further comprises a detection piece, the detection piece is set to be a pressure sensor (123), the pressure sensor (123) is in signal connection with the recording component through a guide wire (15), and the shell is set to be a rigid circular truncated cone ring (121);
a clearance space (115) is arranged between the outer pipe (113) and the inner pipe (114); the small diameter end of the hard circular truncated cone ring (121) and the pressure sensor (123) are fixedly connected with the pipe wall of the outer pipe (113), the guide wire (15) is arranged in the gap space (115), one end of the guide wire (15) penetrates through the pipe wall of the outer pipe (113) and is in signal connection with the pressure sensor (123), and the other end of the guide wire (15) is in signal connection with the recording component.
6. The endotracheal tube according to claim 5, characterized in that: an opening (1131) and an annular electrode plate (1132) are further arranged on the tube wall of the outer tube (113), the opening (1131) and the annular electrode plate (1132) are both close to the exposed end (112), and the annular electrode plate (1132) is located between the tightening part (13) and the opening (1131);
the annular electrode plate (1132) is arranged on the inner wall surface of the outer pipe (113), and one end, deviating from the pressure sensor (123), of the guide wire (15) is in signal connection with the annular electrode plate (1132); the annular electrode sheet (1132) is in signal connection with the recording component through a monitoring clip (19) clamped at the opening (1131).
7. The endotracheal tube according to claim 6, characterized in that: the monitoring clip (19) comprises a first clip body (191), a second clip body (192) and a lead (193);
a contact electric sheet (1911) is arranged on the side surface of the first clamp body (191) facing the second clamp body (192), and when the monitoring clamp (19) is clamped at the opening (1131), the side surface of the first clamp body (191) facing the second clamp body (192) is attached to the inner wall surface of the outer pipe (113) so that the contact electric sheet (1911) is in contact with the annular electrode sheet (1132); a lead inlet and outlet (1921) is arranged on the second clamp body (192), one end of the lead (193) is in signal connection with the contact electric sheet (1911) through the lead inlet and outlet (1921), and the other end of the lead (193) is in signal connection with the recording component;
an elastic cushion (1922) is arranged on the side, facing the first clip body (191), of the second clip body (192).
8. The endotracheal tube according to claim 5, characterized in that: the tightening part (13) comprises a tightening wire (131), a conductive pulley (132) and a slider (133); the outer shell is arranged into a hard circular truncated cone ring (121);
the sliding buckle (133) is sleeved on the outer pipe (113), the sliding buckle (133) is close to the exposed end (112), a sliding rail (16) is arranged on the outer peripheral surface of the outer pipe (113), and the sliding buckle (133) can move along the axial direction of the catheter main body (11) along the sliding rail (16);
the number of the tightening wires (131) is set to be at least two, the number of the conducting pulleys (132) is the same as that of the tightening wires (131), the tightening wires (131) are uniformly distributed in the gap space (115) along the circumferential direction of the catheter main body (11), one end of each tightening wire (131) penetrates through the tube wall of the outer tube (113) and is fixedly connected with the large-diameter end of the rigid circular table ring (121), and the other end of each tightening wire penetrates through the tube wall of the outer tube (113) and is fixedly connected with the sliding buckle (133); the position, through which one end, used for being connected with the rigid circular truncated cone ring (121), of each tightening line (131) penetrates through the wall of the outer pipe (113) is provided with a through hole, one conducting pulley (132) is arranged at each through hole, and in the process that the tightening line (131) tightens the rigid circular truncated cone ring (121), each tightening line (131) is always in contact with a groove corresponding to the conducting pulley (132).
9. The endotracheal tube according to claim 8, characterized in that: the pressure sensing part further comprises an elastic conductive piece which is provided as a spring (122), and the number of the pressure sensors (123) and the number of the springs (122) are the same and are at least two; a soft thin surface (17) is further arranged between the large-diameter end of the rigid circular truncated cone ring (121) and the pipe wall of the outer pipe (113), a closed cavity (18) is defined by the soft thin surface (17), the rigid circular truncated cone ring (121) and the pipe wall of the outer pipe (113), and the pressure sensor (123), the springs (122) and the tightening wires (131) penetrate through the part of the pipe wall of the outer pipe (113) connected with the rigid circular truncated cone ring (121) and the conduction pulleys (132) and are located in the closed cavity (18).
10. The endotracheal tube according to claim 5, characterized in that: the positioning component (14) comprises an inflation bag (141), an inflation tube (142) and an inflation bag (143);
the inflatable bag (141) is sleeved on the outer tube (113), the inflatable bag (141) is close to the extending end (111), the middle part of the inflatable tube (142) is located in the gap space (115), one end of the inflatable tube (142) penetrates through the tube wall of the outer tube (113) and the inflatable bag (141) and the other end of the inflatable tube is close to the exposed end (112) and penetrates through the tube wall of the outer tube (113) and the outer inflatable bag (143).
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| CN202110685897.6A CN113521468B (en) | 2021-06-21 | 2021-06-21 | Tracheal catheter's pipe depth detection device and tracheal catheter put |
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| CN202110685897.6A CN113521468B (en) | 2021-06-21 | 2021-06-21 | Tracheal catheter's pipe depth detection device and tracheal catheter put |
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| CN113521468B true CN113521468B (en) | 2022-11-11 |
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