CN105797252B - A kind of double-lumen catheter localization method, device and conduit - Google Patents
A kind of double-lumen catheter localization method, device and conduit Download PDFInfo
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- CN105797252B CN105797252B CN201610373095.0A CN201610373095A CN105797252B CN 105797252 B CN105797252 B CN 105797252B CN 201610373095 A CN201610373095 A CN 201610373095A CN 105797252 B CN105797252 B CN 105797252B
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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. ventilators; Tracheal tubes
- A61M16/04—Tracheal tubes
- A61M16/0402—Special features for tracheal tubes not otherwise provided for
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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. ventilators; Tracheal tubes
- A61M16/04—Tracheal tubes
- A61M16/0486—Multi-lumen tracheal tubes
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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
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
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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
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/1018—Balloon inflating or inflation-control devices
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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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
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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
- A61M2210/00—Anatomical parts of the body
- A61M2210/10—Trunk
- A61M2210/1025—Respiratory system
- A61M2210/1035—Bronchi
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Abstract
The invention discloses a kind of double-lumen catheter, a kind of double-lumen catheter localization method and device is provided, it the described method comprises the following steps: inserting a catheter into tracheae and cross the first predeterminated position；The gas of predetermined amount is filled with to main pipe cuff and secondary conduits cuff respectively, main pipe cuff and secondary conduits cuff and inner surface of trachea is formed and squeezes；The pressure information of the second predeterminated position in real-time detection main pipe cuff；Rollback conduit, and pressure information and the first preset pressure value are compared, when pressure information is less than or equal to the first preset pressure value, stop retracting；Return slotting the first pre-determined distance of conduit.The present invention overcomes the difficulty of double lumen endobronchial tube Intraoperative position in the prior art or the technological deficiencies of position inaccurate, while can sound an alarm in abnormal cases in art.
Description
Technical field
The present invention relates to medical instruments fields, and in particular to a kind of double-lumen catheter localization method, device and one kind
Double-lumen catheter.
Background technique
In clinical practice, lung Sequestration typically referred to as is to separate two sides pulmonary ventilation pathway in bronchi levels
Technology, the successful key technical problem of lung Sequestration first is that the positioning correctness of dual cavity bronchus vessel from 1962
Robertshaw designs repeatedly used dual cavity bronchus vessel (DLT), and is applied to clinically；Produce one within 1978
Secondary property haloflex (PVC) DLT, so far, disposable Robertshaw DLT, which becomes clinical most common lung isolation, to be led
Pipe
But the dual cavity bronchus vessel (DLT) still has problem in clinical practice application, and wherein greatest problem is,
With the help of branchofiberoscope:
1. location difficulty: dual cavity bronchus vessel (left side) insertion is too deep, and secondary bronchi deferent opening portion down enters
Left bronchus causes right lung poor aeration, while left pulmonary branches tracheae up/down opening part occurs because of main bronchus front opening
Obstruction, causes the hypoxemia of patient, conduit was inserted into shallowly, and main bronchus cuff down enters right bronchus and right lung is caused to block, together
Sample causes the hypoxemia of patient.
2. adjustment is difficult: the variation of position and surgical operation easily cause main bronchus sheathed catheter during surgery
The opposite variation of capsule and knuckle position causes mechanicalness caused by the venting pressure of 1 patient's oxygen and bad 2 strong side lung is excessively high in art
The inadequate drainage of 3 Ipsilateral lung of injury of lungs influences surgical procedure, and easily causes postoperative patient atelectasis, increases infection, ARI, ARDS
Incidence
3. high using difficulty: clinically, the only experienced department of anesthesia doctor in part can grasp location technology better,
The medical staff of other departments almost can not use and adjust, so that there is many diseases of other departments (such as ICU) of demand
The Ipsilateral pulmonary secretions of people's (such as pneumonia, lung cancer, pulmonary tuberculosis, bronchiectasis etc.) excessively even cause not applying when infection,
Substantially reduce the application range of existing DLT.
The main reason for pointing out according to the study, causing the above problem is: 1. existing double-lumen catheters are being positioned or are being adjusted
Specific information data feedback can not be provided when whole, operation is complete by rule of thumb；2. existing localization method such as stethoscopy, sputum aspirator tube
There is comparable error in method, cuff pressure method, rollback method, and grasp difficulty is larger, even if the Anesthetist to know a thing or two
There is comparable fault rate；3. the condition of basic hospital is limited, it is difficult to pay the high price and maintenance of branchofiberoscope, disinfection takes
With.
Currently, there is an urgent need to a kind of positioning double-lumen bronchial catheters to overcome drawbacks described above, and the double lumen endobronchial tube is led
Pipe need are easy to operate, can quickly position.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that overcome in the prior art double lumen endobronchial tube Intraoperative position it is difficult,
The technological deficiency that adjustment is difficult and positioning accuracy is low.
In order to solve the above technical problems, the present invention provides a kind of double-lumen catheter localization method, comprising the following steps:
It inserts a catheter into tracheae and crosses the first predeterminated position；
The gas of predetermined amount is filled with to main pipe cuff and secondary conduits cuff respectively, makes main pipe cuff and secondary conduits cuff
It is formed and is squeezed with inner surface of trachea；
The pressure information of the second predeterminated position in real-time detection main pipe cuff；
Retract the conduit, and the pressure information and the first preset pressure value are compared, when the pressure information is less than
When equal to the first preset pressure value, stop retracting；
It returns and inserts first pre-determined distance of conduit.
Further, first preset pressure value is 0.
Further, second predeterminated position is any on the main pipe cuff side wall or a region.
Further, second predeterminated position is a bit on main pipe cuff rear end, first pre-determined distance
To make the pressure information be greater than the length of first preset pressure value.
Further, second predeterminated position is a circle on the midpoint of the main pipe cuff length direction
Domain, first pre-determined distance are 1cm-1.5cm.
Further, second predeterminated position is the linear region of the main pipe cuff along its length, described the
One pre-determined distance is at least to make in the linear region positioned at the pressure information of the inserting end opposite end of the main pipe cuff
Greater than the length of first preset pressure value.
Further, it returns after inserting first pre-determined distance of conduit, sets the second preset pressure value；
When detecting that the pressure information is less than or equal to second preset pressure value, alarm signal is exported.
A kind of double channel catheter positioning device based on the above method, comprising:
Pressure sensing cell, for detecting the pressure information between the main pipe cuff and the inner surface of trachea；
Processing unit receives the pressure information, and calculates the big of the pressure information and first preset pressure value
It is small；
Display unit exports the calculated result of the processing unit.
Further, the pressure sensing cell detect in the main pipe cuff a little or a region pressure letter
Breath.
Further, the processing unit can also calculate the pressure information after setting the second preset pressure value
With the size of second preset pressure value, when the pressure information is less than or equal to second preset pressure value, output report
Alert signal.
A kind of tracheal catheter wants double channel catheter positioning device based on above-mentioned double channel catheter localization method or right, packet
It includes:
Main bronchus conduit；
Parabrochus conduit；
Main pipe cuff is set in the main bronchus conduit for protruding into the inserting end of left principal bronchus；
Secondary conduits cuff is set on the main bronchus conduit and parabrochus conduit；
Main pipe gas cell is connected to the main pipe cuff；
Secondary conduits gas cell is connected to the secondary conduits cuff；
It further include the pressure sensor being arranged in the main pipe cuff, the pressure sensor connects processor and shows
Show device.
Further, the pressure sensor be the point pressure sensor being arranged on the main pipe cuff side wall,
Planar pressure sensor or line pressure sensor.
Further, the main pipe cuff is spheroid, cylindrical body or rotary table.
Further, the main pipe cuff and secondary conduits cuff are high appearance low-resistance cuff or low appearance high resistant cuff.
Further, the pressure sensor is fixed at the inner wall or outer wall of the main pipe cuff, or insertion
In the main pipe cuff in molding positioning groove.
Further, it is connected between the pressure sensor and the processor by conducting wire, the conducting wire passes through the pair
Conduit cuff, and cover positioned at secondary conduits and be arranged between two intracapsular tracheal catheters.
Technical solution of the present invention has the advantages that
1. inserting the catheter into gas in double-lumen catheter localization method provided by the invention, device and double-lumen catheter
The first predeterminated position is managed and crosses, then the first predeterminated position, that is, target position retracts and obtains the second predeterminated position in real time
Pressure information, the pressure information are compared with the first preset pressure value, when pressure information is less than or equal to the first preset pressure value, are stopped
Non-return moves back, and returns slotting the first pre-determined distance of conduit to the first predeterminated position, completes positioning；Above-mentioned localization method is different from using at present
Other localization methods (as auscultated, suction sputum tube method), only a small amount of anesthesia doctor caused by the time and experience needed for prolonged exercise
Life can be positioned skillfully, and double-lumen catheter method positioning of the invention, which is only retracted and returned, inserts two steps, and has precise information reference,
It is not required to the relevant anatomy knowledge it is to be understood that excessive, most doctor and nurse can easily grasp positioning and adjustment skill.
2. in double-lumen catheter localization method provided by the invention, device and double-lumen catheter, due to can be by
Accurate reference, therefore double-lumen catheter localization method of the invention are provided in the visual feedback of pressure information energy, and for positioning
Opposite stethoscopy, suction sputum tube method etc. have more accuracy；Meanwhile after the completion of positioning, for that may be examined since position changes in art
When measuring real time pressure information less than or equal to the case where the second preset pressure value, alarm signal is exported, to prompt medical staff.
3. in double-lumen catheter localization method of the invention, device and double-lumen catheter, in art because position changes or
When surgical procedures cause relative position to change, at present frequently with stethoscopy, suction sputum tube method is adjusted, and set-up procedure is complicated；And
Localization method and device of the invention, which relocates, only needs two steps (retract and return and insert), the time required to greatly reducing adjustment,
It can effectively avoid adjustment time too long, arteries and veins oxygen reduces or bronchus attracts blood and situations such as difficult secretion.
4. difficult because operation is greatly reduced in double-lumen catheter localization method of the invention, device and double-lumen catheter
Degree makes other have demand department (such as ICU, surgical care unit, PACU) can be using this double lumen tube etc., and because the method does not have phase
The nurse for closing profession anesthesia knowledge can also grasp, and reduce the workload of doctor, or even insert in the rescue of the big bleeding of right bronchus
Guan Zhong can also be applied.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the flow chart of a specific example of double-lumen catheter localization method in the embodiment of the present invention 1；
Fig. 2 is the flow chart of a specific example of double-lumen catheter localization method in the embodiment of the present invention 2；
Fig. 3 is the flow chart of a specific example of double-lumen catheter localization method in the embodiment of the present invention 3；
Fig. 4 is double-lumen catheter positioning device structure schematic diagram of the present invention；
Fig. 5 is the overall structure diagram of double-lumen catheter of the present invention；
Fig. 6 is the guide-tube structure schematic diagram of point pressure sensor of the present invention；
Fig. 7 is the guide-tube structure schematic diagram of planar pressure sensor of the present invention；
Fig. 8 is the guide-tube structure schematic diagram of the linear pressure sensor of the present invention；
In figure: 1- main bronchus conduit；2- parabrochus conduit；3- secondary conduits cuff；4- main pipe cuff；5-
Main pipe gas cell；6- secondary conduits gas cell；7- pressure sensor；8- conducting wire；9- crossover sub；11- display；10- pressure
Power detection unit；20- processing unit；30- display unit.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
Embodiment 1
A kind of double-lumen catheter localization method of the present embodiment, it is shown in Figure 1, method includes the following steps:
S01 inserts a catheter into tracheae and crosses the first predeterminated position, and the first predeterminated position is denoted as P11, this is first pre-
If position is that conduit is inserted into endotracheal target position；
S02 is filled with the gas of predetermined amount to main pipe cuff 4 and secondary conduits cuff 3 respectively, makes main pipe cuff 4 and pair
Conduit cuff 3 and inner surface of trachea, which are formed, to be squeezed；
S03, the pressure information of the second predeterminated position in real-time detection main pipe cuff 4, pressure information are denoted as A, wherein
Second predeterminated position is denoted as P21, for a bit on main 4 rear end side wall of conduit cuff；
S04, rollback conduit, and pressure information A and the first preset pressure value are compared, the first preset pressure value is denoted as B11,
As the pressure information A≤B11, stop retracting；
S05 returns slotting the first pre-determined distance of conduit, and the first pre-determined distance is denoted as L11, when returning slotting L11, A > 0, at this point, completing
Preoperative positioning；
Meanwhile the present embodiment further includes during surgery, setting the second preset pressure value, the second preset pressure value is denoted as B21,
As pressure information A≤B21, alarm signal is exported, in the present embodiment, B21 is set as 0, defeated as the pressure information A≤0
Alarm signal out.
In the present embodiment it should be understood that
1, the first predeterminated position P11 refers to that upper left leaf is open between the second knuckle, and position is leading pipe sleeve therebetween
Optimum position in 4 art of capsule, first predeterminated position P12, P13 and P11 is same position in following embodiments, then repeats no more.
2, the predetermined amount gas instigates leading tube airbag 4 and secondary conduits air bag 3 and inner surface of trachea to form squeezed state
Gas flow.In actual use, main pipe cuff 4 and secondary conduits cuff 3 have low point for holding high resistant type, He Gaorong low-resistance type
Not, different for the predetermined amount gas volume being filled with required for two kinds of cuff；Meanwhile the aeration quantity of predetermined amount gas
With the difference of the volume of main pipe cuff 4, secondary conduits cuff 3 and exist and change.Therefore, the predetermined amount gas is not one determining
Value, but the reasonable selection that those skilled in the art make according to the actual situation.
3, preferred value is 0 to the first preset pressure value B11 in the above-described embodiment, is to utilize detection main pipe
Any pressure information of rear end is compared with the first preset pressure value (i.e. 0) on 4 side wall of cuff, thus according to pressure value whether there is or not
To estimate the location information of main pipe cuff 4.But in actual use, certain can also be set by the first preset pressure value B11
One constant, when pressure information A≤B11 then thinks that main pipe cuff 4 needs to stop to retract.In the first preset pressure value B11 (under or
B12, the B13 stated) when being set as 0, pressure information A then can only be shown with or without tool without specifically detecting pressure
Body numerical value, when the first preset pressure value B11 (or following B12, B13) is not 0, then needing pressure information A is the pressure of detection
Power numerical value.
Although 4, not repeated in the present embodiment, the second predeterminated position be on 4 rear end side wall of main pipe cuff a little with
Outer embodiment, but those skilled in the art can as described above, to selected different second predeterminated positions in main pipe
Position in cuff 4, to carry out plus-minus compensation to the first pre-determined distance L11.
Above embodiment be the present embodiment core technology scheme, by means of detection main pipe cuff and inner surface of trachea it
Between pressure information, come or main pipe cuff be located at location information in tracheae.Wherein, the positioning for needing doctor to be manually operated
Step only has two steps: S04 and S05.It can be seen that in compared with the prior art by after main pipe sleeve bag gas-filling in tracheae repeatedly
The double-lumen catheter localization method location efficiency of the positioning method of debugging, the present embodiment is more preferable, and positioning accuracy is more preferable, is based on
This, is also not easy to cause to damage to patient airway's mucous membrane in position fixing process.
Embodiment 2
A kind of double-lumen catheter localization method of the present embodiment, it is shown in Figure 2, the present embodiment the following steps are included:
S01 inserts a catheter into tracheae and crosses the first predeterminated position, and the first predeterminated position is denoted as P12, and P12 is mesh
Cursor position；
S02 is filled with the gas of predetermined amount to main pipe cuff 4 and secondary conduits cuff 3 respectively, makes main pipe cuff 4 and pair
Conduit cuff 3 and inner surface of trachea, which are formed, to be squeezed；
S03, the pressure information A of the second predeterminated position in real-time detection main pipe cuff 4, the second predeterminated position is described
A border circular areas on the midpoint of 4 length direction of main pipe cuff, the second predeterminated position are denoted as P22；
S04, rollback conduit, and pressure information A and the first preset pressure value B12 are compared, B12 is according to need in the present embodiment
It is set as a certain numerical value, as A≤B12, stops retracting；
S05 returns slotting the first pre-determined distance of conduit L12, L12 1cm-1.5cm, at this point, completing preoperative positioning；
Meanwhile the present embodiment further includes during surgery, setting the second preset pressure value B22, as pressure information A≤B22,
Export alarm signal.
The present embodiment the difference from embodiment 1 is that: in embodiment 1 by detection 4 rear end side wall of main pipe cuff on
The pressure information of a bit, to estimate the location information of main pipe cuff 4.It and is by means of detecting main pipe cuff in the present embodiment
A border circular areas realizes the presumption to 4 location information of main pipe cuff on the midpoint of 4 length directions.Because detecting pressure
The area of information and the position on 4 side wall of main pipe cuff are changed compared to embodiment 1, therefore in the present embodiment
In step S05: the first pre-determined distance L12 is different from the first pre-determined distance L11 in embodiment 1, and the first pre-determined distance L12 is Shen
It asks someone such as to return according to the preferred value obtained is tested and insert 1cm, 1.25cm or 1.5cm, further preferred first pre-determined distance L12
It is 1.25cm.
It is in the same manner as in Example 1, although not repeating the second predeterminated position P22 in the present embodiment is not located at cuff side wall
The embodiment of center, but those skilled in the art have the ability when changing the second predeterminated position P22, to first it is default away from
Plus-minus compensation is carried out from L12.
Embodiment 3
A kind of double-lumen catheter localization method of the present embodiment, it is shown in Figure 3, method includes the following steps:
S01 inserts a catheter into tracheae and crosses the first predeterminated position, and the first predeterminated position is denoted as P13, this is first pre-
If position is that conduit is inserted into endotracheal target position；
S02 is filled with the gas of predetermined amount to main pipe cuff 4 and secondary conduits cuff 3 respectively, makes main pipe cuff 4 and pair
Conduit cuff 3 and inner surface of trachea, which are formed, to be squeezed；
S03, the pressure information of the second predeterminated position in real-time detection main pipe cuff 4, pressure information are denoted as A, wherein
Second predeterminated position is denoted as P23, is the linear region of the main pipe cuff 4 along its length, if taking on the linear region
Left end point, 3 positions of right endpoint and intermediate point pressure information, the pressure information on each position is respectively a1, a2, a3；
S04, rollback conduit, and pressure information A and the first preset pressure value are compared, the first preset pressure value is denoted as B13,
As the preset pressure value B13 of pressure information A≤first, stop retracting；
S05 returns slotting the first pre-determined distance of conduit, and the first pre-determined distance is denoted as L13, returns when inserting L13, makes a1 > B13, and a2 >
B13, a3 > B13；User sees above 3 points when being simultaneously greater than the first preset pressure value or last point a3 and being greater than B13, then recognizes
It returns and is inserted i.e. in place for conduit.
Meanwhile the present embodiment further includes during surgery, setting the second preset pressure value, the second preset pressure value is denoted as B23,
As pressure information A≤B23, alarm signal is exported.Wherein, first preset pressure value and the second preset pressure value can be set
It is set to identical value or different value, can be configured according to the actual use demand of user.
It should be understood that being not limited only to be left end point, right endpoint and intermediate point in the detection of the linear region step S03
The pressure information of 3 positions.When pixel selecting quantity is more in linear region, then by linear region feed back pressure information come
The location information for estimating main pipe cuff 4 is also more intuitive, accurate.And in the case where taking multiple spot to detect in linear region, this reality
It is identical to apply the distance between preferred adjacent two o'clock in example.
Embodiment 4
The present embodiment provides a kind of double channel catheter positioning devices, are led using two-chamber tracheae provided in embodiment 1-3
Pipe localization method, it is shown in Figure 4 comprising:
Pressure sensing cell 10, for detecting the pressure information between the main pipe cuff 4 and inner surface of trachea；
Processing unit 20 for receiving the pressure information, and calculates the pressure information and first preset pressure
The size of value；
Display unit 30, for exporting the calculated result of the processing unit 20.
Further, the pressure information in any in pressure sensing cell detection main pipe cuff 4 or a region.
Further, the processing unit 20 can also calculate the pressure letter after setting the second preset pressure value
The size of breath and second preset pressure value, when the pressure information is less than or equal to second preset pressure value, output
Alarm signal.
The double channel catheter positioning device of the present embodiment can pass through 10 the second predeterminated position of real-time detection of pressure sensing cell
The pressure information in any or a region, and 20 calculate real time pressure informations and the first preset pressure value and aobvious through the processing unit
Show that unit 30 exports；Meanwhile processing unit 20 can also calculate the second preset pressure value of real time pressure information and setting, work as reality
When pressure information less than the second preset pressure value when shown on display unit 30 and issue alarm signal.
Embodiment 5
The present embodiment provides a kind of using the tracheal catheter any in above-described embodiment 1-4, referring to Fig. 5, the tracheae
Conduit includes main bronchus conduit 1 and parabrochus conduit 2, and main pipe cuff 4 is set in main bronchus conduit 1 for protruding into a left side
On the inserting end of main bronchus, secondary conduits cuff 3 is set on the main bronchus conduit 1 and parabrochus conduit 2, main pipe
Cuff 4 is connected to main pipe gas cell 5, and secondary conduits cuff 3 is connected to secondary conduits gas cell 6, is set on the side wall of main pipe cuff 4
There are pressure sensor 7,7 connecting wire 8 of pressure sensor, conducting wire 8 passes through crossover sub 9 and processor, display 11 again
It is connected, wherein processor is arranged in display 11.
In order to avoid the introducing of conducting wire 8 influences the tracheal catheter normal use of the present embodiment, will preferably be led in the present embodiment
The setting of line 8 passes through between two conduits and out of secondary conduits cuff 3.But it should be understood that the set-up mode of conducting wire 8 is not only
It is limited to a kind of above-mentioned embodiment, such as is connected preferably between pressure sensor 7 and processor by conducting wire 8, the conducting wire 8
Be two, outside be coated with sheet insulating layer, two mutually bondings of conducting wires 8, and the outside of two conducting wires 8 is in two gas
The bonding of pipe conduit；Again or the embodiment etc. that is hidden in conducting wire 8 in conduit, it does not repeat one by one then at this.
Specifically, pressure sensor 7 be set to according to actual needs main pipe cuff inner wall outer wall or insertion it is leading
On pipe sleeve capsule 4 in molding positioning groove, and according to actual needs pressure sensor 7 can be set to point pressure sensor,
Planar pressure sensor or line pressure sensor.
Below in conjunction with Fig. 6, Fig. 7, Fig. 8, the set-up mode and usage mode of pressure sensor 7 is described in detail:
Referring to Fig. 6, when pressure sensor 7 is dotted sensor, it is close that dotted sensor is located at 4 inner surface of main pipe cuff
Edge or middle part, main pipe cuff 4 are cylindrical body compatible with dotted sensor.Specific steps are as follows: first will be double
Chamber bronchial catheter is inserted to bottom, main pipe cuff 4 and secondary conduits cuff 3 then cannot be filled with predetermined amount gas again until,
External-connection displayer again shows pressure on display, and dual cavity bronchus vessel slowly retreats later, retreats to display and is shown as 0
Or the pressure value (i.e. the first preset pressure value) set, dual cavity bronchus vessel, which readvances back, to be inserted to pressure greater than 0 or is greater than
The pressure value set, positioning are completed.It is 0 or less than the pressure value (i.e. the second preset pressure value) set when there is pressure
When, alarm sound is issued, medical staff's emergency adjustment is reminded.
Referring to Fig. 7, when pressure sensor 7 is planar sensor, planar sensor is located in 4 outer surface of main pipe cuff
Portion position, main pipe cuff 4 are cylindrical body compatible with planar sensor or spheroid.Specific steps are as follows: will be double
Chamber bronchial catheter is inserted to bottom, main pipe cuff 4 and secondary conduits cuff 3 then cannot be filled with predetermined amount gas again until,
External-connection displayer again, display pressure length be it is full, conduit is slowly retreated later, retract be shown as 0 to display or set
Pressure value (i.e. the first preset pressure value) again inward into 1-1.5CM positioning i.e. complete.
Referring to Fig. 8, when pressure sensor 7 is line sensor, line sensor be located at 4 inner surface of main pipe cuff at
In the positioning groove of type, main pipe cuff 4 is cylindrical body compatible with line sensor.Specific steps are as follows: will be double
Chamber bronchial catheter is inserted to bottom, main pipe cuff 4 and secondary conduits cuff 3 then cannot be filled with predetermined amount gas again until,
Reconnect external-connection displayer, display pressure length be it is full, conduit is slowly retreated later, retreat to pressure length reduction when, then before
Proceed to full, positioning i.e. completion.
It can be seen that when the dual cavity bronchus vessel using the present embodiment is positioned, it is thus only necessary to two steps are operated,
For existing double-lumen catheter, not only position fixing process is simple for the double-lumen catheter of the present embodiment, but also positions
Accurately.The various thorny problems that can effectively avoid the health care workers of shortcoming experience from debugging positioning repeatedly and occur；Meanwhile it is fixed
After the completion of position, for that may detect real time pressure information since position changes in art and be less than or equal to the second preset pressure value
When situation, alarm signal is exported, to prompt medical staff.
It should be noted that the supervisor's guide sleeve capsule and secondary conduits cuff in the present embodiment are high appearance low-resistance or low appearance high resistant set
Capsule, cuff shape can also be set as rotary table, frustum or other shapes other than having spheroid and cylindrical body according to actual needs
Shape.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (14)
1. a kind of double channel catheter positioning device characterized by comprising
Pressure sensing cell (10), conduit is in tracheae and crosses the first predeterminated position；Main pipe cuff (4) and pair are led respectively
The gas that pipe sleeve capsule (3) is filled with predetermined amount makes main pipe cuff (4) and secondary conduits cuff (3) and inner surface of trachea form extruding；Institute
It states pressure sensing cell (10) and is set to main pipe cuff, for the second predeterminated position in real-time detection main pipe cuff (4)
Pressure information；
Processing unit (20) is crossed in the position rollback catheter procedure of first predeterminated position certainly, receives the pressure information,
And compare the pressure information and the first preset pressure value, when the pressure information is less than or equal to the first preset pressure value,
Issue the information for stopping retracting；
Display unit (30), exports the calculated result of the processing unit (20).
2. a kind of double channel catheter positioning device according to claim 1, it is characterised in that: the pressure sensing cell (10)
Detect on the main pipe cuff (4) a little or a region pressure information.
3. a kind of double channel catheter positioning device according to claim 1 or 2, it is characterised in that: returned after the completion of retracting and insert institute
The first pre-determined distance of conduit is stated, sets the second preset pressure value after the completion；The processing unit (20) can also be setting
After stating the second preset pressure value, the size of the pressure information Yu second preset pressure value is calculated, when the pressure information
When less than or equal to second preset pressure value, alarm signal is exported.
4. a kind of double channel catheter positioning device according to claim 3, it is characterised in that: second predeterminated position is institute
State any on main pipe cuff (4) side wall or a region.
5. a kind of double channel catheter positioning device according to claim 3, it is characterised in that: second predeterminated position is institute
It states on main pipe cuff (4) rear end a bit, first pre-determined distance is that the pressure information is made to be greater than the described first default pressure
The length of force value.
6. a kind of double channel catheter positioning device according to claim 3, it is characterised in that: second predeterminated position is institute
A border circular areas on the midpoint of main pipe cuff (4) length direction is stated, first pre-determined distance is 1cm-1.5cm.
7. a kind of double channel catheter positioning device according to claim 3, it is characterised in that: second predeterminated position is institute
The linear region of main pipe cuff (4) along its length is stated, first pre-determined distance is at least to make position in the linear region
It is greater than the length of first preset pressure value in the pressure information of the inserting end opposite end of the main pipe cuff (4).
8. a kind of double channel catheter positioning device according to claim 1, it is characterised in that: first preset pressure value is
0。
9. a kind of double-lumen catheter uses the double channel catheter positioning device of any of claims 1-8 comprising:
Main bronchus conduit (1)；
Parabrochus conduit (2)；
Main pipe cuff (4) is set in the main bronchus conduit (1) for protruding into the inserting end of left principal bronchus；
Secondary conduits cuff (3) is set on the main bronchus conduit (1) and parabrochus conduit (2)；
Main pipe gas cell (5) is connected to the main pipe cuff (4)；
Secondary conduits gas cell (6) is connected to the secondary conduits cuff (3)；
It is characterized by:
It further include the pressure sensor (7) being arranged on the main pipe cuff (4), pressure sensor (7) the connection processing
Device and display.
10. double-lumen catheter according to claim 9, it is characterised in that:
The pressure sensor (8) is the point pressure sensor being arranged on main pipe cuff (4) side wall, planar pressure
Sensor or line pressure sensor.
11. double-lumen catheter according to claim 10, it is characterised in that:
The main pipe cuff (4) is spheroid, cylindrical body or rotary table.
12. tracheal catheter according to claim 11, it is characterised in that:
The main pipe cuff (4) and secondary conduits cuff (3) are high appearance low-resistance cuff or low appearance high resistant cuff.
13. the double-lumen catheter according to any one of claim 9-12, it is characterised in that:
The pressure sensor (8) is fixed at the inner wall or outer wall of the main pipe cuff (4), or is embedded in the master
In conduit cuff (4) in molding positioning groove.
14. the double-lumen catheter according to any one of claim 9-12, it is characterised in that:
It is connected between the pressure sensor (8) and the processor by conducting wire (8), the conducting wire (8) passes through the pair and leads
Pipe sleeve capsule (3), and be arranged between two tracheal catheters being located in secondary conduits cuff (3).
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| CN201610373095.0A CN105797252B (en) | 2016-05-27 | 2016-05-27 | A kind of double-lumen catheter localization method, device and conduit |
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| CN201610373095.0A CN105797252B (en) | 2016-05-27 | 2016-05-27 | A kind of double-lumen catheter localization method, device and conduit |
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| CN105797252B true CN105797252B (en) | 2019-07-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7360540B2 (en) * | 2002-01-23 | 2008-04-22 | Indian Ocean Medical Inc. | Endotracheal tube which permits accurate determination of mucosal pressure |
| US7747319B2 (en) * | 2006-03-17 | 2010-06-29 | Zoll Medical Corporation | Automated resuscitation device with ventilation sensing and prompting |
| GB2452776A (en) * | 2007-09-17 | 2009-03-18 | Internat Patents Inc | Method for monitoring an airway device such as an endotrachael tube |
| CN201248943Y (en) * | 2008-08-28 | 2009-06-03 | 董俊华 | Dual-cavity endotracheal tube |
| US8905029B2 (en) * | 2008-09-29 | 2014-12-09 | Covidien Lp | Airway system with carbon dioxide sensor for determining tracheal cuff inflation and technique for using the same |
| US8448636B2 (en) * | 2008-12-31 | 2013-05-28 | Manu B. Singh | Methods and apparatus for safe application of an intubation device |
| CN201320340Y (en) * | 2009-01-06 | 2009-10-07 | 南京大学医学院附属鼓楼医院 | Double-cavity conduct tube for throat ventilation |
| WO2010129327A1 (en) * | 2009-05-05 | 2010-11-11 | Tufts Medical Center | Tracheal intubation device |
| US8603003B2 (en) * | 2009-06-03 | 2013-12-10 | Covidien Lp | Trachea pressure determination method and device |
| US8371303B2 (en) * | 2009-08-05 | 2013-02-12 | Anesthetech Inc. | System and method for imaging endotracheal tube placement and measuring airway occlusion cuff pressure |
| US20120089041A1 (en) * | 2010-10-09 | 2012-04-12 | Dan Schlager | Ultrasound-observable, respiratory gas-warming, parameter-sensing endotracheal tube |
| CN201862108U (en) * | 2010-11-17 | 2011-06-15 | 艾青 | Visible double-lumen endobronchial tube |
| US8998798B2 (en) * | 2010-12-29 | 2015-04-07 | Covidien Lp | Multi-lumen tracheal tube with visualization device |
| CN202136660U (en) * | 2011-07-15 | 2012-02-08 | 赵荣银 | Positioning double-lumen bronchial catheter |
| CN202682499U (en) * | 2012-04-26 | 2013-01-23 | Et视觉有限公司 | bronchial tube |
| CN103893885B (en) * | 2014-03-25 | 2015-12-30 | 刘伯臣 | A kind of anesthesia Dual-channel tracheal cannula of accurate positioning |
| CN204543184U (en) * | 2015-02-03 | 2015-08-12 | 王昊 | A kind of double lumen endobronchial tube |
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Effective date of registration: 20220420 Address after: 330008 No.346 Dieshan Road, Nanchang City, Jiangxi Province Patentee after: Jiangxi Chest Hospital Address before: 330044 room 2203, unit 1, building 2, Yangyang spring, Donghu District, Nanchang City, Jiangxi Province Patentee before: Xiong Zhentian |