CN211383312U - Disposable side hole pressure control oxygen inhalation catheter for bronchoscope - Google Patents
Disposable side hole pressure control oxygen inhalation catheter for bronchoscope Download PDFInfo
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- CN211383312U CN211383312U CN201921875226.0U CN201921875226U CN211383312U CN 211383312 U CN211383312 U CN 211383312U CN 201921875226 U CN201921875226 U CN 201921875226U CN 211383312 U CN211383312 U CN 211383312U
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- oxygen inhalation
- bronchoscope
- pressure
- pressure control
- oxygen
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Abstract
The embodiment of the utility model discloses oxygen inhalation tube is pressed in accuse of disposable side opening for bronchoscope, locate the accuse pressure equipment of oxygen inhalation tube periphery including oxygen inhalation tube and cover, oxygen inhalation tube periphery has the side opening, and the accuse pressure equipment includes the sleeve and locates the accuse pressure pipe of sleeve periphery, and the sleeve cover is located oxygen inhalation tube periphery, and the fixed side cap that is equipped with of accuse pressure passageway one end, accuse pressure pipeline middle part have and hold the chamber, hold the chamber and have the passageway between the sleeve, and accuse pressure pipeline periphery is equipped with side pipe and pressure release hole, and the side pipe middle part is equipped with exhaust passage, and pressure release hole and side pipe communicate with each other with holding the chamber. The containing cavity is internally provided with a ball, a spring, a piston and an adjusting rod. Has the advantages that: oxygen pressure is less than 5cm H2O in the operation process of the bronchoscope, air leakage danger of a child patient is reduced, complicated steps and material cost of intrathoracic pressure monitoring are avoided, oxygen supply effect is exact through bronchoscope work, and nasal mucosa irritation and discomfort brought by oxygen supply through a nasopharynx catheter are avoided.
Description
Technical Field
The utility model relates to a medical instrument, in particular to a disposable side hole pressure-control oxygen inhalation catheter for a bronchoscope.
Background
The bronchoscope technology for children is rapidly developed in recent years, the clinical application is increasingly wide, but the operation difficulty is higher than that of adults due to the reasons that the air passages of children are relatively narrow, the children cannot cooperate in the operation process, edema and congestion of mucous membranes of the air passages are difficult to calm under the pathological changes, the tracheal endoscope stimulates and obstructs the air passages, and the like, and the complication rate is higher, particularly for the infants, the hypoxia asphyxia is the most common.
The curvable bronchoscopy guideline for pediatrics (2018 edition) recommends the use of nasopharynx catheter for oxygen supply or close monitoring of intra-thoracic pressure intermittent oxygen supply (with a flow rate set to 0.5-1.0L/min via the bronchoscope working channel) to ensure the oxygen demand of the infant patient.
Oxygen is sent through nasopharyngeal tube and is required oxygen tube depth of insertion for alar to earlobe 2/3, and the sensitive unacceptable of infant's nasal cavity mucosa leads to the air flue to block up and leads to nasopharyngeal tube oxygen uptake effect to be difficult to guarantee because bronchoscope body gets into behind the glottis, and if directly adopt to pass through work path intermittent type oxygen supply, has several problems during the operation: 1. most hospitals are difficult to realize the intra-thoracic pressure monitoring of children patients. 2. The timing of intermittent oxygen supply is difficult to grasp. 3. The oxygen flow of the connected central oxygen supply interface is constant, and the air passage of a patient, the working channel of the bronchoscope, the oxygen supply catheter and the central oxygen supply actually form a closed loop, so that even if the flow is low and the operation is carried out for a short time, the danger of air leakage and even tension pneumothorax still exists, and the life of a child patient is even threatened.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a technical problem that will solve provides a disposable side opening accuse pressure oxygen uptake pipe of bronchoscope. Can ensure that the oxygen supply pressure in the operation process of the bronchoscope is less than 6cmH2O, thereby greatly reducing the risk of air leakage of the infant patient, avoiding the complicated steps and material cost of intrathoracic pressure monitoring, ensuring the exact oxygen supply effect and avoiding the stimulation and uncomfortable feeling of nasal mucosa caused by oxygen supply through the nasopharynx catheter.
In order to solve the technical problem, the embodiment of the utility model provides a disposable side hole pressure-control oxygen inhalation catheter of a bronchoscope, which comprises an oxygen inhalation catheter and a pressure-control device sleeved on the periphery of the oxygen inhalation catheter;
an oxygen source connector and a bronchoscope connector are respectively arranged on two sides of the oxygen inhalation catheter, and side holes are formed in the periphery of the oxygen inhalation catheter close to the bronchoscope connector;
the pressure control device comprises a sleeve and a pressure control pipe arranged on the periphery of the sleeve, the sleeve is sleeved on the periphery of the oxygen inhalation catheter, a side cover is fixedly arranged at one port part of the pressure control channel, a containing cavity is arranged in the middle of the pressure control pipeline, a channel is arranged between the containing cavity and the sleeve, the side hole is coaxial with the channel, the periphery of the pressure control pipeline is respectively and sequentially provided with a side pipe and a pressure relief hole from the sleeve, the pressure relief hole is communicated with the containing cavity, an exhaust channel is arranged in the middle of the side pipe, and the exhaust channel is communicated with the containing cavity;
a ball, a spring, a piston and an adjusting rod are arranged in the accommodating cavity.
Preferably, one end of the adjusting rod is fixedly arranged on the piston, the adjusting rod penetrates through the side cover, the piston is arranged on one side of the accommodating cavity in a reciprocating mode through the adjusting rod, the ball is arranged on the other side of the accommodating cavity, and a spring is arranged between the piston and the ball.
Preferably, the bottom of the side cover is an outward inclined concave surface, the side cover is provided with a threaded passage, the adjusting rod is in threaded connection with the threaded passage, and the threaded passage is coaxial with the accommodating cavity.
Preferably, the top of the exhaust channel is detachably provided with a plug.
Preferably, sealing rubber strips are respectively arranged in the side walls of the sleeve close to the top and the bottom.
Preferably, the pressure control pipe is provided with scale marks on the periphery.
Implement the embodiment of the utility model provides a, following beneficial effect has: the utility model discloses can make in the bronchoscope operation process give oxygen intensity < 5cmH2O to the air leak danger has appeared to the infant that has significantly reduced, and avoid the loaded down with trivial details step of intrathoracic pressure monitoring and consumptive material cost, because of directly give oxygen through bronchoscope work path, give the oxygen effect exact, avoided the nasal pharynx pipe simultaneously to give the stimulation and the uncomfortable sense of the nasal mucosa that oxygen brought.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a partially enlarged schematic view of a portion A of FIG. 1;
FIG. 3 is a top view of the pressure control device according to the embodiment of the present invention;
fig. 4 is a partially enlarged structural view of the portion of fig. 1B.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
Refer to the schematic structural diagrams shown in fig. 1 and 2.
The utility model discloses a disposable side opening accuse pressure oxygen inhalation tube for bronchoscope, locate the accuse pressure equipment 2 of oxygen inhalation tube 1 periphery including oxygen inhalation tube 1 and cover.
An oxygen source connector 1A and a bronchoscope connector 1B for connecting a bronchoscope are respectively arranged at two sides of the oxygen inhaling catheter 1, and a side hole 11 is arranged at the periphery of the oxygen inhaling catheter 1 close to the connector 1B.
Preferably, the bronchoscope adapter is tapered.
Preferably, the diameter of the side hole is 4 mm.
Referring to fig. 3, the pressure control device 2 includes a sleeve 21 and a pressure control pipe 22 axially disposed at the periphery of the sleeve 21, one end of the pressure control pipe 22 has a side cover 23, inner side walls of the sleeve 21 near the top and the bottom are respectively provided with a sealing rubber strip 211-1 inwardly, when the sleeve 21 is sleeved on the oxygen inhalation conduit 1, the sealing rubber strips 211-1 are disposed in contact with the periphery of the oxygen inhalation conduit 1, so as to ensure the air tightness between the sleeve 21 and the oxygen inhalation conduit 1.
Preferably, sleeve and accuse are pressed and are managed as an organic whole and form, choose for use transparent organic glass material and be convenient for observe the use.
Referring to fig. 2, 3 and 4, a cavity 221 is provided in the pressure control pipe 22, a passage 222 is provided between the cavity 221 and the sleeve 21, a ball 223 is provided at one end of the cavity 221, a piston 225 and an adjusting rod 226 fixedly provided at one end of the piston 225 are provided at the other end of the cavity 221, the adjusting rod 226 passes through the side cover 23, and a spring 224 is provided between the piston 225 and the ball 223. The channel 222 is aligned with the side hole 11 so that oxygen in the oxygen catheter enters the chamber 221 through the side hole 11.
Preferably, the ball is a plastic ball, and the spring is made of stainless steel.
The middle part of the side cover 23 is provided with a threaded passage 232, the threaded passage 232 is communicated with the accommodating cavity 221, the adjusting rod 226 is movably connected with the threaded passage 232 through peripheral threads, and the piston 225 reciprocates along the side wall of the accommodating cavity 221 by rotating the adjusting rod 226. The side cover 23 is fixedly provided at an end opening portion of the pressure control pipe 22.
The periphery of the pressure control pipe 22 is sequentially provided with a side pipe 228 and a pressure relief hole 229, the side pipe 228 is arranged close to the sleeve 21, the pressure relief hole 229 is arranged close to the side pipe 228, pressure control and pressure relief effects are guaranteed to be sensitive and rapid, the side pipe 228 and the pressure relief hole 229 are arranged in parallel with the sleeve respectively to facilitate operation of medical staff, the pressure relief hole 229 is communicated with the accommodating cavity 221, the middle of the side pipe 228 is concentrically provided with an exhaust pipeline 228-1, and the exhaust pipeline 228-1 is communicated with the accommodating cavity 221. A plug 228-2 is detachably disposed on the top of the vent passage 228-1, and the plug 228-2 is used for opening or closing the vent passage 228-1.
The scale marks 22A are arranged on the periphery of the pressure control pipe 22, the scale marks 22A are respectively arranged on the periphery of the extrusion pipe 22 in a surrounding mode, the numerical range of the scale marks 22A is 3-8 cmH2O, green marks are used for 3-4, yellow marks are used for 5-6, red marks are used for 7-8, and quick identification and operation of medical staff are facilitated.
When in use, the oxygen source connector 1A is connected with the oxygen flow meter connector, and the oxygen supply quantity set by the oxygen flow meter is adjusted to be 3-5L/min.
Before use, the adjusting rod 226 is rotated to enable the piston 225 to gradually move towards the channel 222 along the side wall of the cavity 221 and to contact one end of the spring 224, the end, in contact with the spring 224, of the piston 225 is aligned to a required scale line according to use requirements, so that the length of the spring 224 is compressed to set an oxygen pressure value in the oxygen inhalation conduit 1, the spring 224 contracts to push the ball 223 to be in contact with one end of the channel 222, the communication between the channel 222 and the cavity 221 is sealed, the oxygen in the oxygen inhalation conduit 1 is prevented from flowing through the cavity 221 through the side hole 11, when the oxygen pressure in the inhalation conduit 221 reaches a set value, the surface pressure of the ball 223 is increased, the air flow pushes the ball 223 to open the flow of the side hole 11, the cavity 221 and the side pipe 228, the oxygen pressure value in the oxygen conduit 1 is kept at the set pressure value, a pressure control effect is achieved, at this, during the examination process, the exhaust passage 228-1 of the side tube 228 is generally in an open state, when the oxygen supply amount of a patient needs to be increased for a short time, the plug 228-2 can be plugged into the exhaust passage 228-1, so that oxygen is continuously supplied into the oxygen inhalation tube 1, when the exhaust passage 228-1 is closed, if the pressure in the oxygen inhalation tube 1 is too high, the air flow flowing through the passage 222 from the side hole 11 further pushes the ball 223 to be away from the passage 222 to accelerate oxygen to enter the accommodating cavity 221 and is discharged through the pressure relief hole 229 to reduce the pressure in the oxygen inhalation tube 1, and the gap between the ball 223 and the side wall of the accommodating cavity 221 is arranged, so that the oxygen flowing out from the passage 222 can flow to the pressure relief hole 229, and the.
When the vent channel 228-1 is opened again, the pressure applied to the surface of the ball 223 is reduced, the spring 224 is reset to the set compression length to enable the ball 223 to close the channel 222, and the set oxygen pressure is established again in the oxygen inhalation tube 1.
The matching use of the side hole and the pressure control device can ensure that the oxygen supply pressure in the oxygen inhalation catheter is less than 5cmH2O in the operation process of the bronchoscope, and the over-high pressure of an air passage in the operation process of a patient is avoided, so that the risk of air leakage of a child patient is greatly reduced, oxygen is directly sent below the glottis of the patient through the working diameter passage of the bronchoscope, the oxygen supply effect is exact, the stimulation of nasal mucosa brought by the nasopharynx catheter is avoided, and the comfort and the compliance of the patient in the inspection process are improved.
The above-mentioned embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which should not be construed as limiting the scope of the present invention. All modifications made according to the spirit of the main technical scheme of the present invention shall be covered within the protection scope of the present invention.
Claims (6)
1. A disposable side hole pressure control oxygen inhalation catheter for a bronchoscope is characterized by comprising an oxygen inhalation catheter and a pressure control device sleeved on the periphery of the oxygen inhalation catheter;
an oxygen source connector and a bronchoscope connector are respectively arranged on two sides of the oxygen inhalation catheter, and side holes are formed in the periphery of the oxygen inhalation catheter close to the bronchoscope connector;
the pressure control device comprises a sleeve and a pressure control pipe arranged on the periphery of the sleeve, the sleeve is sleeved on the periphery of the oxygen inhalation catheter, a side cover is fixedly arranged at one port part of the pressure control channel, a containing cavity is arranged in the middle of the pressure control pipeline, a channel is arranged between the containing cavity and the sleeve, the side hole is coaxial with the channel, the periphery of the pressure control pipeline is respectively and sequentially provided with a side pipe and a pressure relief hole from the sleeve, the pressure relief hole is communicated with the containing cavity, an exhaust channel is arranged in the middle of the side pipe, and the exhaust channel is communicated with the containing cavity;
a ball, a spring, a piston and an adjusting rod are arranged in the accommodating cavity.
2. The disposable side hole pressure-control oxygen inhalation catheter for bronchoscope according to claim 1, wherein one end of the adjusting rod is fixedly arranged on the piston, the adjusting rod passes through the side cover, the piston is arranged on one side of the accommodating cavity in a reciprocating manner through the adjusting rod, the ball is arranged on the other side of the accommodating cavity, and a spring is arranged between the piston and the ball.
3. The disposable side hole pressure control oxygen inhalation tube for bronchoscope according to claim 1, wherein the bottom of the side cover is an outwardly inclined concave surface, the side cover has a threaded passage, the adjusting rod is in threaded connection with the threaded passage, and the threaded passage is coaxial with the cavity.
4. The disposable side-hole pressure-controlled oxygen inhalation catheter for bronchoscope according to claim 1, characterized in that a plug is detachably disposed on the top of the exhaust channel.
5. The disposable side-hole pressure-controlled oxygen inhalation catheter for bronchoscope according to claim 1, wherein sealing rubber strips are respectively disposed in the side walls of the sleeve near the top and the bottom.
6. The disposable side hole pressure control oxygen inhalation catheter for bronchoscope according to claim 1, characterized in that the pressure control tube is provided with graduation lines on its periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921875226.0U CN211383312U (en) | 2019-10-31 | 2019-10-31 | Disposable side hole pressure control oxygen inhalation catheter for bronchoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921875226.0U CN211383312U (en) | 2019-10-31 | 2019-10-31 | Disposable side hole pressure control oxygen inhalation catheter for bronchoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211383312U true CN211383312U (en) | 2020-09-01 |
Family
ID=72206754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921875226.0U Active CN211383312U (en) | 2019-10-31 | 2019-10-31 | Disposable side hole pressure control oxygen inhalation catheter for bronchoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211383312U (en) |
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2019
- 2019-10-31 CN CN201921875226.0U patent/CN211383312U/en active Active
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