CN209500470U - Zero dead space tracheal catheter respiratory system - Google Patents

Abstract

The utility model relates to a kind of zero dead space tracheal catheter respiratory systems, it is characterized in that: including tracheal catheter component, breathing circuit filter, L shape connector, connection wye and Anesthesia machine connecting tube, tracheal catheter component includes conduit, patient's insertion end, air bag in patient's insertion end is set, gas tube and charge valve, tracheal catheter component is sequentially communicated L shape connector, connection wye, connect Anesthesia machine connecting tube, conduit is circle close to one section of tube body cross sectional shape of patient's insertion end, conduit is oblateness close to one section of tube body section of pipe joint, at least provided with two chambers in conduit and L shape connector, connection wye is the Demountable in it at least provided with two chambers.Advantage is: can eliminate mechanical inefficiencies chamber, respiration inhibition caused by anaesthetic is effectively relieved, improve breath function due, correct patient's body acid-base imbalance, and then can significantly improve vital sign situation.Mechanical inefficiencies chamber and ICU management etc. is especially eliminated in infant, critical patient or long-term surgery to be especially of great significance.

Description

Zero dead space tracheal catheter respiratory system

Technical field

The utility model belongs to clinical treatment equipment technology field, more particularly to a kind of zero dead space tracheal catheter breathing system System.

Background technique

Clinically, dead space also known as breathes dead space, refers to the space that gas exchanges are not participated in respiratory, including life Manage dead space and mechanical inefficiencies chamber.Physiological dead space includes bronchus, tracheae, oral cavity, nasal cavity；Mechanical inefficiencies chamber includes that air bag fills Tracheae, tracheal catheter breathe breathing circuit filter, breathing circuit breeches joint.In each respiratory, exhalation process discharge Exhaust gas section rests on dead space, and breathing process can suck human body again, cannot get gas exchanges.

Clinically, breathing dead space problem not can avoid, and physiological dead space is adapted to by patient, not influence on anesthesia； How to eliminate mechanical inefficiencies chamber or reduce the bring adverse effect of mechanical inefficiencies chamber have become in clinical anesthesia one it is urgently to be resolved The problem of.Currently, breathing pattern of the patient under generalized anesthetic state is divided into autonomous respiration and Mechanical course breathes two ways. Autonomous respiration refers to that patient breathes by itself strength, since the respiration inhibition of arcotic acts on the presence with mechanical inefficiencies chamber, Gas concentration lwevel in blood samples of patients can be made to increase, show as blood pressure raising, increased heart rate, respiratory rate is accelerated；Mechanical course Breathing refers to that patient's autonomous respiration suspends, and carrys out assisted respiartion by ventilator, due to the presence of mechanical inefficiencies chamber, ventilator need to be provided more Big ventilatory capacity and airway pressure, or respiratory rate maintains effectively to breathe faster, there is the wind for causing respiratory tract and injury of lungs Danger.The capacity of mechanical inefficiencies chamber is from tens milliliters to milliliters up to a hundred etc..It is breathed every time in infant's anesthesia and often there was only tens Milliliter gas, due to the presence of mechanical inefficiencies chamber, make suck in gas every time have close to half be oneself be discharged but without absorption The exhaust gas of filtering；Although will not anoxic, carbon dioxide in blood can be made to increase and bring adverse reaction.Eliminate mechanical inefficiencies Chamber can alleviate respiration inhibition caused by anaesthetic in the general anesthesia for retaining autonomous respiration, improve respiratory function, correct Body acid-base imbalance, and then improve vital sign situation；Ventilatory capacity can be reduced in the general anesthesia of control breathing, reduction is exhaled Pressure in road is inhaled, respiratory rate is slowed down, reduces respiratory system damage.Patient age weight is smaller, and physical condition is poorer, when operation Between it is longer, eliminate mechanical inefficiencies chamber clinical meaning it is bigger.

Utility model content

The utility model is technical problem present in solution well-known technique and mechanical inefficiencies chamber can be eliminated, delay by providing one kind Respiration inhibition caused by anaesthetic is solved, improves respiratory function, correct patient's body acid-base imbalance, and then improves life entity symptom Zero dead space tracheal catheter respiratory system of condition.

The utility model is adopted the technical scheme that solve technical problem present in well-known technique:

Zero dead space tracheal catheter respiratory system, it is characterised in that: including tracheal catheter component, L shape connector, connection wye and Anesthesia machine connecting tube, the tracheal catheter component include conduit, patient's insertion end, the air bag being arranged in patient's insertion end, with The gas tube and charge valve of air bag connection, the tracheal catheter component are connected to L shape connector, the L shape connector by pipe joint Connection wye is connected, the connection wye connects Anesthesia machine connecting tube, and the conduit is close to one section of tube body section of patient's insertion end Shape is circle, and the conduit is oblateness close to one section of tube body section of pipe joint, and the conduit is interior at least provided with two Chamber, for the L shape connector at least provided with two chambers, the connection wye is the Demountable in it at least provided with two chambers.

The utility model can also adopt the following technical scheme that

The conduit of the tracheal catheter component is circle close to one section of tube body section of patient's insertion end, is set in round tube body There are two chamber, respectively venting cavity and inflatable chamber, described inflatable chamber one end is communicated with air bag, and the other end is connect with gas tube, institute The tube body that conduit is stated close to one section of pipe joint is flat round tube, is set in flat round tube there are three chamber, is respectively exhaled Chamber, suction chamber and gas sampling chamber, one end of the gas sampling chamber and conduit circle tube body and flat round tube phase connection Position connection, expiration chamber and suction chamber in the flat round tube are connected to the intracorporal venting cavity of round tube, the L shape connector with Connection wye is equipped with three chambers corresponding with the expiration chamber of conduit, suction chamber and gas sampling chamber, the gas sampling chamber it is another One end is connected to the second gas sampling cavity of three chamber connection wyes, and the conduit connects three chamber L shape connectors, institute by pipe joint It states three chamber L shape connectors and connects three chamber connection wyes, the side of the three chambers connection wye is equipped with the connect with gas sampling chamber Two gas sampling joints, the three chambers connection wye connect Anesthesia machine connecting tube；

One end of the L shape connector is the interface end connecting with connection wye, and the other end is patient end, is set in L shape connector There are three-cavity structure corresponding with each chamber of laryngeal mask snorkel, respectively expiration chamber, suction chamber and gas sampling chamber.

The three chambers connection wye includes second shell, on the second housing be equipped with patient interface end, Anesthesia machine output end and Anesthesia machine input terminal, the second shell are equipped with the second filter core, are connected on the side of connection wye and are connected to gas sampling chamber Gas sampling joint, gas sampling it is intracavitary be equipped with third filter core.

The conduit of the tracheal catheter component is circle close to one section of tube body section of patient's insertion end, is set in round tube body There are two chamber, respectively venting cavity and inflatable chamber, described inflatable chamber one end is communicated with air bag, and the other end is connect with gas tube, Conduit circle tube body is connected position with flat round tube equipped with the outlet of gas sampling chamber and gas sampling chamber, the gas sampling One end of chamber is exported by gas sampling chamber and is communicated with conduit, and the other end of gas sampling chamber is connected with external gas sampler, The external gas sampler connects external gas sampling joint by connector；A Duan Guanti of the conduit close to L shape connector Section is oblateness, and two-chamber, respectively expiration chamber and suction chamber, exhaling in the flat round tube are equipped in flat round tube Air cavity and suction chamber are connected to the intracorporal venting cavity of round tube；The conduit connects two-chamber L shape connector by pipe joint, described Two-chamber L shape connector connects two-chamber connection wye, and the two-chamber connection wye connects Anesthesia machine connecting tube；

One end of the L shape connector is the interface end connecting with connection wye, and the other end is patient end, is set in L shape connector There are double cavity structure corresponding with each chamber of laryngeal mask snorkel, respectively expiration chamber and suction chamber.

The external gas sampling joint includes third shell, input end connector, output end connector and the 4th filter core, the Three shells are provided with the 4th filter core, and third shell one end is connected with input end connector, and the third shell other end is affixed There is output end connector.

Zero dead space tracheal catheter respiratory system, it is characterised in that: connect including tracheal catheter component, breathing circuit filter, L shape Head, connection wye and Anesthesia machine connecting tube, tracheal catheter component include conduit, patient's insertion end, are arranged in patient's insertion end Air bag, the gas tube and charge valve being connected to air bag, the tracheal catheter component are connected to breathing circuit filter, institute by pipe joint Breathing circuit filter connection L shape connector is stated, the L shape connector connects connection wye, and the connection wye connects Anesthesia machine connecting tube, institute It is circle that conduit, which is stated, close to one section of tube body cross sectional shape of patient's insertion end, and the conduit is cut close to one section of tube body of pipe joint Face is oblateness, is set in the round tube body of the conduit there are two chamber, the flat round tube of the conduit is interior at least provided with two Chamber, for the breathing circuit filter at least provided with two chambers, the L shape connector and Y shape connector are double cavity structure.

The conduit of the tracheal catheter component is set in the circle segments tube body of patient's insertion end there are two chamber, respectively logical Air cavity and inflatable chamber, described inflatable chamber one end are connected to gas cell, and the other end connects airbag inflation pipe；The tracheal catheter component It is set in conduit oblateness section tube body there are three chamber, respectively expiration chamber, suction chamber and gas sampling chamber, in the flat round tube Expiration chamber and suction chamber be connected to the intracorporal venting cavity of round tube, one end of the gas sampling chamber and setting are in conduit circle Tube body is connected the gas sampling chamber outlet at position with flat round tube, is equipped in the breathing circuit filter and leads with oblateness Corresponding three chambers are managed, the L shape connector and connection wye are double cavity structure, are equipped with and gas sampling chamber on breathing circuit filter The first gas sampling joint of connection；The conduit connects breathing circuit filter, the breathing circuit filter connection by pipe joint Two-chamber L shape connector, the two-chamber L shape connector connect two-chamber connection wye, and the two-chamber connection wye connects Anesthesia machine connecting tube.

The breathing circuit filter includes first shell, is equipped with machine end in first shell one end, the first shell other end is set There is patient end, the intermediate position of the first shell is greater than machine end and patient end, and position is equipped with sucking among first shell Gas filtration chamber, exhaled gas filter chamber and gas sampling chamber, the sucking gas filtration chamber, exhaled gas filter chamber and gas The first filter core 2-8, the affixed gas sampling joint of first shell upper outside are equipped in sampling cavity, the gas sampling connects Head is connected to gas sampling chamber.

The conduit of the tracheal catheter component is set in the circle segments tube body of patient's insertion end there are two chamber, respectively logical Air cavity and inflatable chamber are connected position equipped with the outlet of gas sampling chamber, the gas with flat round tube in conduit circle tube body One end of sampling cavity is exported by gas sampling chamber and is communicated with conduit, and the other end of the gas sampling chamber is connected with external gas Sampling pipe, the external gas sampler connect external gas sampling joint, inflatable chamber one end connection inflation by connector Capsule, the other end connect airbag inflation pipe；Chamber, respectively expiration chamber and air-breathing there are two being set in the tube body of the oblateness conduit Chamber, expiration chamber and suction chamber in the flat round tube are connected to the intracorporal venting cavity of round tube, in the breathing circuit filter Equipped with two chambers corresponding with oblate conduit, the L shape connector and connection wye are double cavity structure, and the two-chamber connection wye connects Connect Anesthesia machine connecting tube.

The breathing circuit filter includes first shell, is equipped with machine end in first shell one end, the first shell other end is set There is patient end, the intermediate position of the first shell is greater than machine end and patient end, and position is equipped with sucking among first shell Gas filtration chamber, exhaled gas filter chamber and gas sampling chamber, in the sucking gas filtration chamber and exhaled gas filter chamber Equipped with the first filter core.

The utility model has the advantages and positive effects of: by adopting the above technical scheme due to the utility model, i.e., logical It crosses the catheter design on tracheal catheter to be equipped with two-chamber or segment section three-cavity structure in round and oblate cross-sectional, conduit, exhales It is drawn through filter, L shape connector and connection wye and is designed as two-chamber or three-cavity structure, thus corresponding with the tracheal catheter of two-chamber or three chambers Original connection wye is designed as detachable double cavity structure and is connected with L shape connector by connection, breathing circuit.In this way, from patient's sound Men Shangqi is individually connected with the connecting tube of Anesthesia machine by the double channel catheter of tracheal catheter, and there is no share lumen；Due to fiber crops With the presence of unidirectional valve inside liquor-saturated machine, this system is set to form two independent air-breathings and exhalation path, and breathed every time Loop is formed in journey.When the patient inhales, the open expiratory valve of inspiratory valve is closed, volatile anesthetic mixture of oxygen it is fresh Gas enters patient body from air suction way.When patient expiration, inspiratory valve is closed expiratory valve and is opened, and is mixed with titanium dioxide The exhaled gas of carbon, volatile anesthetic and partial oxidation enters the exhaust gas absorption device in Anesthesia machine from exhalation path, completely Sponging becomes live gas with oxygen mix after carbon dioxide is inhaled by a patient in next respiratory cycle.In this way, breathing Mechanical inefficiencies chamber in dead space is completely eliminated.Mechanical inefficiencies chamber is eliminated, it can be in the general anesthesia for retaining autonomous respiration Alleviate respiration inhibition caused by anaesthetic, improve respiratory function, corrects body acid-base imbalance, and then improve life entity symptom Condition；Ventilatory capacity can be reduced in the general anesthesia of control breathing, reduced pressure in respiratory tract, slowed down respiratory rate, reduction is exhaled Desorption system damage.Patient age weight is smaller, and physical condition is poorer, and operating time is longer, eliminates the clinical meaning of mechanical inefficiencies chamber Justice is bigger.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model embodiment 1；

Fig. 2 is the right view of Fig. 1；

Fig. 3 a is the portion the A internal structure enlarged drawing in Fig. 1；

Fig. 3 b is the portion the B internal structure enlarged drawing in Fig. 1；

Fig. 3 c is the portion the C internal structure enlarged drawing in Fig. 1；

Fig. 3 d is the A-A cross-sectional view in Fig. 1；

Fig. 3 e is the B-B cross-sectional view in Fig. 1；

Fig. 3 f is the A direction view of Fig. 3 c；

Fig. 3 g is the B direction view of Fig. 3 c；

Fig. 3 h is the C-C cross-sectional view in Fig. 3 f；

Fig. 4 is the tracheal catheter component structure diagram in Fig. 1；

Fig. 5 is the structural schematic diagram of the utility model embodiment 1Y shape connector；

Fig. 5 a is the left view of Fig. 5；

Fig. 5 b is the top view of Fig. 5；

Fig. 6 is the structural schematic diagram of the utility model embodiment 1L shape connector；

Fig. 6 a is the right view of Fig. 6；

Fig. 6 b is the bottom view of Fig. 6 a；

Fig. 7 is the structural schematic diagram of the utility model embodiment 2；

Fig. 8 is the right view of Fig. 7；

Fig. 9 a is the conduit of tracheal catheter component and gas tube connection structure diagram in the utility model embodiment 2；

Fig. 9 b is the third gas sampling cavity and external gas sampler of tracheal catheter component in the utility model embodiment 2 Connection structure diagram；

Figure 10 is the top view of 2 tracheal catheter component of the utility model embodiment；

Figure 11 is the structural schematic diagram of the utility model embodiment 2Y shape connector；

Figure 11 a is the left view of Figure 11；

Figure 11 b is the top view of Figure 11；

Figure 12 is the external gas sampling joint structural schematic diagram of the utility model embodiment 2；

Figure 13 is the L shape joint structure schematic diagram of the utility model embodiment 2；

Figure 13 a is the right view of Figure 13；

Figure 13 b is the bottom view of Figure 13；

Figure 14 is the structural schematic diagram of the utility model embodiment 3；

Figure 15 is the right view of Figure 14；

Figure 16 is the structural schematic diagram of 3 breathing circuit filter of the utility model embodiment；

Figure 16 a is the left view of Figure 16；

Figure 16 b is the D-D cross-sectional view of Figure 16；

Figure 16 c is the C direction view of Figure 16；

Figure 16 d is the D direction view of Figure 16；

Figure 17 is the structural schematic diagram of the utility model embodiment 4；

Figure 18 is the right view of Figure 17；

Figure 19 is the structural schematic diagram of 4 breathing circuit filter of the utility model embodiment；

Figure 19 a is the side view of Figure 19；

Figure 19 b is the E-E cross-sectional view of Figure 19；

Figure 19 c is the E direction view of Figure 19；

Figure 19 d is the F direction view of Figure 19.

In figure: 1, tracheal catheter component；1-1, conduit；1-1A, venting cavity；1-1B, third expiration chamber；1-1C, third gas Sampler body chamber；1-1D, inflatable chamber；1-1E, third suction chamber；1-2, patient's insertion end；1-3, air bag；1-4, gas tube；1-5, Charge valve；1-6, pipe joint；

2, breathing circuit filter；2-1, first shell；2-2, machine end；2-3, patient end；2-4, first gas sampling joint； 2-5, first gas sampling cavity；2-6, sucking gas filtration chamber；2-7, exhaled gas filter chamber；2-8, the first filter core；

3, L shape connector；3-1, Anesthesia machine interface end；3-2, patient end；

4, connection wye；4-1, patient interface end；4-2, Anesthesia machine output end；4-3, anesthesia machine input terminal；4-4, the second filter Core；4-5, second gas sampling cavity；4-6, third filter core；4-7, second gas sampling joint；4-8, second shell；

5, external gas sampling joint；5-1, third shell；5-2, input end connector；5-3, output end connector；5-4, Four filter cores；

6, external gas sampler；7, Anesthesia machine connecting tube.

Specific embodiment

For the utility model content, feature and effect that can further appreciate that the utility model, the following examples are hereby given, and It is described in detail with the accompanying drawings as follows:

Embodiment 1,

Please refer to Fig. 1-Fig. 6 b, zero dead space tracheal catheter respiratory system, including tracheal catheter component 1, L shape connector 3, Y shape Connector 4 and Anesthesia machine connecting tube 7, the tracheal catheter component include conduit 1-1, patient's insertion end 1-2, setting in patient's insertion Air bag 1-3 on end, the gas tube 1-4 and charge valve 1-5 being connected to air bag, the conduit are connected to L by pipe joint 1-6 Shape connector, the L shape connector connect connection wye, and the connection wye connects Anesthesia machine connecting tube, and the conduit is inserted close to patient Enter one section of tube body cross sectional shape at end for circle, the conduit is oblateness close to one section of tube body section of pipe joint, described The round tube body and flat round tube joint of gas tube one end and conduit connect, at least provided with two chambers, institute in the conduit L shape connector is stated at least provided with two chambers, the connection wye is the Demountable in it at least provided with two chambers.

In the present embodiment, the conduit of the tracheal catheter component is circle close to one section of tube body section of patient's insertion end, It is set in round tube body there are two chamber, respectively venting cavity 1-1A and inflatable chamber 1-1D, described inflatable chamber one end are communicated with air bag, separately One end is connect with gas tube.The conduit is flat round tube close to one section of pipe joint of tube body, is set in flat round tube Expiration chamber there are three chamber, respectively expiration chamber 1-1B, suction chamber 1-1E and gas sampling chamber 1-1C, in the flat round tube It is connected to suction chamber with the intracorporal venting cavity of round tube, one end of the gas sampling chamber and setting are in round tube body and oblateness The gas sampling chamber outlet of tube body connecting portion.The L shape connector and connection wye are equipped with and conduit flat round tube Expiration chamber 1-1B, suction chamber 1-1E and corresponding three chambers of gas sampling chamber 1-1C, the other end and three of the gas sampling chamber The second gas sampling cavity 4-5 of chamber connection wye is connected to.The conduit connects three chamber L shape connectors, three chamber by pipe joint L shape connector connects three chamber connection wyes, and the side of the three chambers connection wye is equipped with the second gas connecting with gas sampling chamber Sampling joint 4-7, the three chambers connection wye connect Anesthesia machine connecting tube 7.

In the present embodiment, the connection wye 4 of three chamber includes second shell 4-8, is equipped with patient interface on the second housing 4-1, Anesthesia machine output end 4-2 and anesthesia machine input terminal 4-3 are held, the second shell is equipped with the second filter core 4-4, in connection wye Side on be connected with the second gas sampling joint 4-7 being connected to second gas sampling cavity 4-5, in second gas sampling cavity Equipped with third filter core 4-6.

In the present embodiment, one end of the L shape connector 3 is the interface end 3-1 connecting with connection wye, and the other end is patient 3-2 is held, is equipped with three-cavity structure corresponding with each chamber of laryngeal mask snorkel, respectively expiration chamber 1-1A, suction chamber 1- in L shape connector 3 1B and gas sampling chamber 1-1C.

The working principle of the present embodiment 1 are as follows:

After the completion of entire patient's anesthesia induction, it is placed in tracheal catheter, L shape connector is sequentially connected and the Y shape with filter core connects Head, connection wye connect Anesthesia machine by Anesthesia machine connecting tube 7, and the gas sampler that Anesthesia machine or patient monitor are connected connects with Y shape Gas sampling joint connection on head.From on patient's glottis, venting cavity 1-1A, expiration chamber 1-1B and the suction chamber of tracheal catheter 1-1E is connected by L shape connector, connection wye and Anesthesia machine connecting tube 7 with Anesthesia machine, and there is no share lumen；Due to anesthesia With the presence of unidirectional valve inside machine, this system is set to form two independent air-breathings and exhalation path, and in each respiratory Middle formation loop.Gas sampling pass through gas sampling chamber 1-1C, L shape connector of conduit and the connection wye with filter core second Gas sampling joint 4-7 is realized.

When patient breaths, the open expiratory valve of inspiratory valve is closed, the live gas of volatile anesthetic mixture of oxygen from Air suction way enters patient body.When patient expiration, inspiratory valve is closed expiratory valve and is opened, and is mixed with carbon dioxide, volatilizees The exhaled gas of property arcotic and partial oxidation enters the exhaust gas absorption device in Anesthesia machine from exhalation path, fully absorbs two Become live gas with oxygen mix after carbonoxide to be inhaled by a patient in next respiratory cycle.In this way, in breathing dead space Mechanical inefficiencies chamber be completely eliminated.

Embodiment 2,

Please refer to Fig. 7-Figure 13 b, zero dead space tracheal catheter respiratory system, including tracheal catheter component 1, L shape connector 3, Y Shape connector 4 and Anesthesia machine connecting tube 7, the tracheal catheter component include conduit 1-1, patient's insertion end 1-2, are arranged and insert in patient Enter the air bag 1-3 on end, the gas tube 1-4 being connected to air bag and charge valve 1-5, the conduit to be connected to by pipe joint 1-6 L shape connector, the L shape connector connect connection wye, and the connection wye connects Anesthesia machine connecting tube, and the conduit is close to patient One section of tube body cross sectional shape of insertion end is circle, and the conduit is oblateness, institute close to one section of tube body section of pipe joint Round tube body and the connection of flat round tube joint for stating gas tube one end and conduit, at least provided with two chambers in the conduit, For the L shape connector at least provided with two chambers, the connection wye is the Demountable in it at least provided with two chambers.

In the present embodiment, the conduit 1-1 of the tracheal catheter component is circle close to one section of tube body section of patient's insertion end, It is set in round tube body there are two chamber, venting cavity 1-1A and inflatable chamber 1-1D, described inflatable chamber one end are communicated with air bag, the other end It is connect with gas tube.It is connected position equipped with the outlet of gas sampling chamber and gas sampling chamber 1- with flat round tube in round tube body 1C, one end of the gas sampling chamber is exported by gas sampling chamber to be communicated with conduit, and the other end of gas sampling chamber is connected with External gas sampler 6, the external gas sampler connect external gas sampling joint 5 by connector.The conduit is close to L One section of tube body section of shape connector is oblateness, and two-chamber, respectively expiration chamber 1-1B and suction chamber are equipped in flat round tube 1-1E, the expiration chamber 1-1B and suction chamber 1-1E are connected to the intracorporal venting cavity 1-1A of round tube.The conduit passes through conduit Connector connects two-chamber L shape connector, and the two-chamber L shape connector connects two-chamber connection wye, and the two-chamber connection wye connects Anesthesia machine Connecting tube 7.

In the present embodiment, one end of the connection wye 4 is patient interface end 4-1, and the other end is respectively Anesthesia machine output end 4-2 and anesthesia machine input terminal 4-3 is equipped with the second filter core 4-4 in Anesthesia machine output end 4-2 and anesthesia machine input terminal 4-3.

In the present embodiment, the external gas sampling joint 5 includes third shell 5-1, input end connector 5-2, output end Connector 5-3 and the 4th filter core 5-4 is provided with the 4th filter core in third shell, and third shell one end is connected with input termination Head, the third shell other end are connected with output end connector.

In the present embodiment, one end of the L shape connector 3 is the interface end 3-1 connecting with connection wye, and the other end is patient 3-2 is held, is equipped with double cavity structure corresponding with each chamber of laryngeal mask snorkel, respectively expiration chamber 1-1A and suction chamber 1- in L shape connector 3 1B。

The working principle of the present embodiment 2 are as follows:

After the completion of entire patient's anesthesia induction, it is placed in tracheal catheter, L shape connector is sequentially connected and the Y shape with filter core connects Head, connection wye connect Anesthesia machine by Anesthesia machine connecting tube 7, and the gas sampler that Anesthesia machine or patient monitor are connected connects with Y shape The external gas sampling joint connection with filter core on head.From on patient's glottis, venting cavity 1-1A, the expiration chamber of tracheal catheter 1-1A and suction chamber 1-1E is connected by L shape connector, connection wye and Anesthesia machine connecting tube 7 with Anesthesia machine, and share pipe is not present Chamber；Due to the presence of unidirectional valve, making this system form two independent air-breathings and exhalation path inside Anesthesia machine, and every Loop is formed in secondary respiratory.Gas sampling passes through gas sampling chamber 1-1C, external gas sampler 6 and the external gas of conduit Sampler body connector 5 is realized.

When patient breaths, the open expiratory valve of inspiratory valve is closed, the live gas of volatile anesthetic mixture of oxygen from Air suction way enters patient body.When patient expiration, inspiratory valve is closed expiratory valve and is opened, and is mixed with carbon dioxide, volatilizees The exhaled gas of property arcotic and partial oxidation enters the exhaust gas absorption device in Anesthesia machine from exhalation path, fully absorbs two Become live gas with oxygen mix after carbonoxide to be inhaled by a patient in next respiratory cycle.In this way, in breathing dead space Mechanical inefficiencies chamber be completely eliminated.

Embodiment 3,

Please refer to Figure 14-Figure 16 d, zero dead space tracheal catheter respiratory system, including tracheal catheter component 1, breathing circuit filter 2, L shape connector 3, connection wye 4 and Anesthesia machine connecting tube 7, the tracheal catheter component include conduit 1-1, patient's insertion end 1-2, The air bag 1-3 being arranged in patient's insertion end, the gas tube 1-4 and charge valve 1-5 that are connected to air bag, the tracheal catheter component It is connected to breathing circuit filter by pipe joint 1-6, the breathing circuit filter is connected to L shape connector, and the L shape connector connection Y shape connects Head, the connection wye connect Anesthesia machine connecting tube.The conduit is circle close to one section of tube body cross sectional shape of patient's insertion end Shape, the conduit are oblateness close to one section of tube body section of pipe joint, are set in the round tube body of the conduit there are two chamber, At least provided with two chambers in the flat round tube of the conduit, the breathing circuit filter is at least provided with two chambers, the L shape connector It is double cavity structure with connection wye.

In the present embodiment, there are two the conduit of the tracheal catheter component is set in the circle segments tube body of patient's insertion end Chamber, respectively venting cavity 1-1A and inflatable chamber 1-1D, described inflatable chamber one end are connected to gas cell, and the other end connects air bag inflation Pipe.Chamber, respectively expiration chamber 1-1B, suction chamber 1-1E and gas sampling chamber 1- there are three being set in the conduit oblateness section tube body 1C, the expiration chamber 1-1B and suction chamber 1-1E are connected to the intracorporal venting cavity 1-1A of round tube, and the one of the gas sampling chamber It holds and conduit circle tube body is set and flat round tube is connected the gas sampling chamber outlet at position, the breath It is equipped with three chambers corresponding with oblate conduit in device, the first gas being connected to gas sampling chamber is equipped on breathing circuit filter Sampling joint 2-4.The L shape connector and connection wye are double cavity structure, and the conduit connects breath by pipe joint Device, the breathing circuit filter are connected to two-chamber L shape connector, and the two-chamber L shape connector connects two-chamber connection wye, the two-chamber Y shape Connector connects Anesthesia machine connecting tube.

In the present embodiment, the breathing circuit filter 2 includes first shell 2-1, is equipped with machine end 2- in first shell one end 2, the first shell other end is equipped with patient end 2-3, and the intermediate position of the first shell is greater than machine end 2-2 and patient end 2-3, Position is equipped with sucking gas filtration chamber 2-6, exhaled gas filter chamber 2-7 and first gas sampling cavity 2-5 among first shell, The first filter core 2- is equipped in the sucking gas filtration chamber 2-6, exhaled gas filter chamber 2-7 and first gas sampling cavity 2-5 8.The affixed first gas sampling joint 2-4 of first shell upper outside, the first gas sampling joint and first gas Sampling cavity connection.

In the present embodiment, the structure of the L shape connector is identical as the L shape joint structure in embodiment 2.

In the present embodiment, one end of the connection wye 4 is patient interface end 4-1, and the other end is respectively Anesthesia machine output end 4-2 and anesthesia machine input terminal 4-3.

The working principle of the present embodiment 3 are as follows:

After the completion of entire patient's anesthesia induction, it is placed in tracheal catheter, is sequentially connected breathing circuit filter, L shape connector and Y shape connect Head, connection wye connect Anesthesia machine, the gas sampler and breathing that Anesthesia machine or patient monitor are connected by Anesthesia machine connecting tube 7 Gas sampling joint connection on filter.From on patient's glottis, the venting cavity 1-1A of tracheal catheter, expiration chamber 1-1B, inhale Air cavity 1-1E is connected by breathing circuit filter, L shape connector, connection wye and Anesthesia machine connecting tube 7 with Anesthesia machine, and there is no altogether Use lumen；Due to the presence of unidirectional valve, making this system form two independent air-breathings and exhalation path inside Anesthesia machine, and Loop is formed in each respiratory.Gas sampling is equipped with the first filter core 2-8 by the gas sampling chamber 1-1C of conduit, in it Breathing circuit filter 2 and the first gas sampling joint 2-4 that is arranged in outside breathing circuit filter shell realize.

When patient breaths, the open expiratory valve of inspiratory valve is closed, the live gas of volatile anesthetic mixture of oxygen from Air suction way enters patient body.When patient expiration, inspiratory valve is closed expiratory valve and is opened, and is mixed with carbon dioxide, volatilizees The exhaled gas of property arcotic and partial oxidation enters the exhaust gas absorption device in Anesthesia machine from exhalation path, fully absorbs two Become live gas with oxygen mix after carbonoxide to be inhaled by a patient in next respiratory cycle.In this way, in breathing dead space Mechanical inefficiencies chamber be completely eliminated.

Embodiment 4,

Please refer to Figure 17-Figure 19 d, zero dead space tracheal catheter respiratory system, including tracheal catheter component 1, breathing circuit filter 2, L shape connector 3, connection wye 4 and Anesthesia machine connecting tube 7, the tracheal catheter component include conduit 1-1, patient's insertion end 1-2, The air bag 1-3 being arranged in patient's insertion end, the gas tube 1-4 and charge valve 1-5 that are connected to air bag, the tracheal catheter component It is connected to breathing circuit filter by pipe joint 1-6, the breathing circuit filter is connected to L shape connector, and the L shape connector connection Y shape connects Head, the connection wye connect Anesthesia machine connecting tube.The conduit is circle close to one section of tube body cross sectional shape of patient's insertion end Shape, the conduit are oblateness close to one section of tube body section of pipe joint, are set in the round tube body of the conduit there are two chamber, At least provided with two chambers in the flat round tube of the conduit, the breathing circuit filter sets that there are two chamber, the L shape connector and Y Shape connector is double cavity structure.The conduit is set in the circle segments tube body of patient's insertion end there are two chamber, respectively venting cavity 1-1A chamber and inflatable chamber 1-1D are connected position equipped with the outlet of gas sampling chamber, institute with flat round tube in conduit circle tube body The one end for stating gas sampling chamber is exported by gas sampling chamber to be communicated with conduit, and the other end of the gas sampling chamber is connected with outer Gas sampler 6 is set, the external gas sampler connects external gas sampling joint 5 by connector.Described inflatable chamber one end It is connected to gas cell, the other end connects airbag inflation pipe；Chamber, respectively expiration chamber there are two being set in the tube body of the oblateness conduit 1-1B and suction chamber 1-1E, the expiration chamber 1-1B and suction chamber 1-1E are connected to the intracorporal venting cavity 1-1A of round tube.It is described Be equipped with two chambers corresponding with oblate conduit expiration chamber 1-1B and suction chamber 1-1E in breathing circuit filter 2, the L shape connector and Connection wye is double cavity structure, and the two-chamber connection wye connects Anesthesia machine connecting tube.

In the present embodiment, the breathing circuit filter 2 includes first shell 2-1, is equipped with machine end 2- in first shell one end 2, the first shell other end is equipped with patient end 2-3, and the intermediate position of the first shell is greater than machine end 2-2 and patient end 2-3, Position is equipped with sucking gas filtration chamber 2-6, exhaled gas filter chamber 2-7, the sucking gas filtration chamber among first shell The first filter core 2-8 is equipped in 2-6 and exhaled gas filter chamber 2-7.

In the present embodiment, the external gas sampling joint 5 includes third shell 5-1, inputs end connector 5-2, output end Connector 5-3 and the 4th filter core 5-4 is provided with the 4th filter core in third shell, and third shell one end is connected with input termination Head, the third shell other end are connected with output end connector.

In the present embodiment, the L shape connector is identical as the L shape joint structure in embodiment 2.

In the present embodiment, one end of the connection wye 4 is patient interface end 4-1, and the other end is respectively Anesthesia machine output end 4-2 and anesthesia machine input terminal 4-3.

The working principle of the present embodiment 4 are as follows:

After the completion of entire patient's anesthesia induction, it is placed in tracheal catheter, is sequentially connected breathing circuit filter, L shape connector and Y shape connect Head, connection wye connect Anesthesia machine, the gas sampler and tracheae that Anesthesia machine or patient monitor are connected by Anesthesia machine connecting tube 7 External gas sampling joint connection on conduit with filter core.From on patient's glottis, venting cavity 1-1A, the expiration chamber of tracheal catheter 1-1B and suction chamber 1-1E is connected by breathing circuit filter, L shape connector, connection wye and Anesthesia machine connecting tube 7 with Anesthesia machine, There is no shared lumens；Due to the presence of unidirectional valve, making this system form two independent air-breathings and exhale inside Anesthesia machine Gas access, and loop is formed in each respiratory.Gas sampling is adopted by gas sampling chamber 1-1C, the external gas of conduit Sample pipe 6 and external gas sampling joint 5 are realized.

When patient breaths, the open expiratory valve of inspiratory valve is closed, the live gas of volatile anesthetic mixture of oxygen from Air suction way enters patient body.When patient expiration, inspiratory valve is closed expiratory valve and is opened, and is mixed with carbon dioxide, volatilizees The exhaled gas of property arcotic and partial oxidation enters the exhaust gas absorption device in Anesthesia machine from exhalation path, fully absorbs two Become live gas with oxygen mix after carbonoxide to be inhaled by a patient in next respiratory cycle.In this way, in breathing dead space Mechanical inefficiencies chamber be completely eliminated.

Embodiment described in the utility model attached drawing is exemplary, and is only used for explaining the utility model, and cannot be managed Solution is limitations of the present invention.

Claims (10)

1. a kind of zero dead space tracheal catheter respiratory system, it is characterised in that: including tracheal catheter component, L shape connector, connection wye With Anesthesia machine connecting tube, the tracheal catheter component include conduit, patient's insertion end, the air bag being arranged in patient's insertion end, The gas tube and charge valve being connected to air bag, the tracheal catheter component are connected to L shape connector by pipe joint, and the L shape connects Head connection connection wye, the connection wye connect Anesthesia machine connecting tube, and the conduit is cut close to one section of tube body of patient's insertion end Face shape is circle, and the conduit is oblateness close to one section of tube body section of pipe joint, and the conduit is interior at least provided with two A chamber, for the L shape connector at least provided with two chambers, the connection wye is the Demountable in it at least provided with two chambers.

2. zero dead space tracheal catheter respiratory system according to claim 1, it is characterised in that: the tracheal catheter component Conduit is circle close to one section of tube body section of patient's insertion end, is set in round tube body there are two chamber, respectively venting cavity and is filled Air cavity, described inflatable chamber one end are communicated with air bag, and the other end is connect with gas tube, and close one section of pipe joint of the tube body is Flat round tube is set in flat round tube there are three chamber, and respectively third expiration chamber, third suction chamber and third gas samples Chamber, one end of the gas sampling chamber are connected position connection with conduit circle tube body and flat round tube, the oblate pipe Intracorporal expiration chamber and suction chamber are connected to the intracorporal venting cavity of round tube, the L shape connector and connection wye is equipped with and conduit Third expiration chamber, third suction chamber and corresponding three chambers of third gas sampling cavity, the other end of the gas sampling chamber with The second gas sampling cavity of three chamber connection wyes is connected to, and the conduit connects three chamber L shape connectors, the three chambers L by pipe joint Shape connector connects three chamber connection wyes, and the side of the three chambers connection wye is equipped with the second gas connecting with gas sampling chamber and adopts Sample connector, the three chambers connection wye connect Anesthesia machine connecting tube；

One end of the L shape connector is the interface end connecting with connection wye, and the other end is patient end, is equipped in L shape connector and larynx The corresponding three-cavity structure of each chamber of cover snorkel, respectively third expiration chamber, third suction chamber and third gas sampling cavity.

3. zero dead space tracheal catheter respiratory system according to claim 2, it is characterised in that: the three chambers connection wye packet Second shell is included, is equipped with patient interface end, Anesthesia machine output end and anesthesia machine input terminal, the second shell on the second housing Equipped with the second filter core, the gas sampling joint being connected to gas sampling chamber is connected on the side of connection wye, in gas sampling It is intracavitary that third filter core is housed.

4. zero dead space tracheal catheter respiratory system according to claim 1, it is characterised in that: the tracheal catheter component Conduit is circle close to one section of tube body section of patient's insertion end, is set in round tube body there are two chamber, respectively venting cavity and is filled Air cavity, described inflatable chamber one end are communicated with air bag, and the other end is connect with gas tube, in conduit circle tube body and flat round tube phase Connecting portion is equipped with the outlet of gas sampling chamber and third gas sampling cavity, and one end of the third gas sampling cavity is adopted by gas The outlet of sample chamber is communicated with conduit, and the other end of gas sampling chamber is connected with external gas sampler, the external gas sampler External gas sampling joint is connected by connector；The conduit is oblateness close to one section of tube body section of L shape connector, oblate Two-chamber, respectively third expiration chamber and third suction chamber are equipped in shape tube body, third expiration chamber in the flat round tube and Third suction chamber is connected to the intracorporal venting cavity of round tube；The conduit connects two-chamber L shape connector by pipe joint, described double Chamber L shape connector connects two-chamber connection wye, and the two-chamber connection wye connects Anesthesia machine connecting tube；

One end of the L shape connector is the interface end connecting with connection wye, and the other end is patient end, is equipped in L shape connector and larynx The corresponding double cavity structure of each chamber of cover snorkel, respectively L shape connector third expiration chamber and L shape connector third suction chamber, the L shape Connector third expiration chamber is connected to the third expiration chamber in flat round tube, the L shape connector third suction chamber and oblate pipe Intracorporal third suction chamber connection.

5. zero dead space tracheal catheter respiratory system according to claim 4, it is characterised in that: the external gas sampling connects Head includes third shell, input end connector, output end connector and the 4th filter core, is provided with the 4th filter core in third shell, described Third shell one end is connected with input end connector, and the third shell other end is connected with output end connector.

6. a kind of zero dead space tracheal catheter respiratory system, it is characterised in that: connect including tracheal catheter component, breathing circuit filter, L shape Head, connection wye and Anesthesia machine connecting tube, tracheal catheter component include conduit, patient's insertion end, are arranged in patient's insertion end Air bag, the gas tube and charge valve being connected to air bag, the tracheal catheter component are connected to breathing circuit filter, institute by pipe joint Breathing circuit filter connection L shape connector is stated, the L shape connector connects connection wye, and the connection wye connects Anesthesia machine connecting tube, institute It is circle that conduit, which is stated, close to one section of tube body cross sectional shape of patient's insertion end, and the conduit is cut close to one section of tube body of pipe joint Face is oblateness, is set in the round tube body of the conduit there are two chamber, the flat round tube of the conduit is interior at least provided with two Chamber, for the breathing circuit filter at least provided with two chambers, the L shape connector and connection wye are double cavity structure.

7. zero dead space tracheal catheter respiratory system according to claim 6, it is characterised in that: the tracheal catheter component Conduit is set in the circle segments tube body of patient's insertion end there are two chamber, respectively venting cavity and inflatable chamber, the inflatable chamber one End connection gas cell, the other end connect airbag inflation pipe；Three are equipped in the conduit oblateness section tube body of the tracheal catheter component A chamber, respectively expiration chamber, suction chamber and gas sampling chamber, expiration chamber and suction chamber and round tube in the flat round tube Intracorporal venting cavity connection, one end of the gas sampling chamber and setting are in conduit circle tube body and flat round tube phase connection The gas sampling chamber outlet of position, the breathing circuit filter is interior to be equipped with three chambers corresponding with oblate conduit, and the L shape connects Head and connection wye are double cavity structure, and the first gas sampling joint being connected to gas sampling chamber is equipped on breathing circuit filter；Institute It states conduit and breathing circuit filter is connected by pipe joint, the breathing circuit filter is connected to two-chamber L shape connector, and the two-chamber L shape connects Head connection two-chamber connection wye, the two-chamber connection wye connect Anesthesia machine connecting tube.

8. zero dead space tracheal catheter respiratory system according to claim 7, it is characterised in that: the breathing circuit filter includes First shell is equipped with machine end in first shell one end, and the first shell other end is equipped with patient end, the centre of the first shell Position be greater than machine end and patient end, among first shell position be equipped with sucking gas filtration chamber, exhaled gas filter chamber and Gas sampling chamber, the sucking gas filtration chamber, exhaled gas filter chamber and gas sampling is intracavitary is equipped with the first filter core 2-8, The affixed gas sampling joint of first shell upper outside, the gas sampling joint are connected to gas sampling chamber.

9. zero dead space tracheal catheter respiratory system according to claim 6, it is characterised in that: the tracheal catheter component Conduit is set in the circle segments tube body of patient's insertion end there are two chamber, respectively venting cavity and inflatable chamber, in conduit round tube Body is connected position with flat round tube equipped with the outlet of gas sampling chamber, and one end of the gas sampling chamber passes through gas sampling chamber Outlet is communicated with conduit, and the other end of the gas sampling chamber is connected with external gas sampler, the external gas sampler External gas sampling joint is connected by connector, described inflatable chamber one end is connected to gas cell, and the other end connects airbag inflation pipe；Institute State chamber, respectively expiration chamber and suction chamber there are two setting in the tube body of oblate conduit, the expiration chamber in the flat round tube It is connected to suction chamber with the intracorporal venting cavity of round tube, two corresponding with oblate conduit is equipped in the breathing circuit filter Chamber, the two-chamber connection wye connect Anesthesia machine connecting tube.

10. zero dead space tracheal catheter respiratory system according to claim 9, it is characterised in that: the breathing circuit filter packet First shell is included, is equipped with machine end in first shell one end, the first shell other end is equipped with patient end, in the first shell Between position be greater than machine end and patient end, among first shell position be equipped with sucking gas filtration chamber, exhaled gas filter chamber With gas sampling chamber, the first filter core is equipped in the sucking gas filtration chamber and exhaled gas filter chamber.