CN215308984U - Distal catheter alveolar lavage device - Google Patents

Distal catheter alveolar lavage device Download PDF

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Publication number
CN215308984U
CN215308984U CN202120591650.3U CN202120591650U CN215308984U CN 215308984 U CN215308984 U CN 215308984U CN 202120591650 U CN202120591650 U CN 202120591650U CN 215308984 U CN215308984 U CN 215308984U
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China
Prior art keywords
way joint
joint
alveolar lavage
distal catheter
lavage device
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CN202120591650.3U
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Chinese (zh)
Inventor
徐栗
高辽梅
王晓平
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Shandong Pilot Doctor Group Management Co ltd
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Shandong Pilot Doctor Group Management Co ltd
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Abstract

The application relates to a distal catheter alveolar lavage device, which comprises a syringe, wherein the syringe is communicated with a four-way joint through a pipeline; one joint of the four-way joint is communicated with a connecting pipe, and the connecting pipe is detachably connected with a forceps channel of the endoscope; one connector of the four-way connector is connected with a negative suction pipe, and a first stop valve is arranged at the connection position of the negative suction pipe and the four-way connector; the negative suction pipe is communicated with a collecting tank, and the collecting tank is connected with a negative pressure source through a communicating pipe; and the other joint of the four-way joint is connected with a pressure regulating mechanism. The distal catheter alveolar lavage device provided by the embodiment of the application can fully wash the lung of a patient by repeatedly squeezing the elastic air bag or repeatedly pressing the push cap, so that the physiological saline injected into the lung can fully wash the lung of the patient, the sampling or washing is full, and the operation is simple; in the process of liquid pumping, the negative pressure source provides stable, continuous and adjustable negative pressure, so that effusion in the lung of a patient can be sufficiently pumped out, and the comfort level of the patient is ensured.

Description

Distal catheter alveolar lavage device
Technical Field
The application relates to the field of alveolar lavage devices, in particular to a distal catheter alveolar lavage device.
Background
Alveolar lavage is widely used in the diagnosis and treatment of respiratory diseases. The nasal cavity or oral cavity is equipped with a catheter, when the catheter is fed into the diseased bronchus, the normal saline is injected into the catheter and the catheter is sucked, the liquid on the surface of the pulmonary alveoli is collected and the substances filled in the pulmonary alveoli are removed, the inflammation and the examination of immune cells and soluble substances are carried out, and the purpose of definite diagnosis and treatment is achieved.
In the actual operation process, the normal saline is injected and sucked through the catheter mainly through the needle cylinder, generally, the needle cylinder needs to be manually injected and sucked repeatedly for several times in order to fully collect and remove substances in the alveoli, so that the normal saline generates a shaking effect at the alveoli, and the repeated injection and suction of the needle cylinder is inconvenient to operate. In addition, when the normal saline is extracted, the normal saline is extracted through the needle cylinder, the recovery efficiency of flushing fluid is low, the recovery pressure is uncontrollable during recovery, discomfort is brought to a patient, and the normal saline is sucked through the needle cylinder simultaneously, so that the operation is inconvenient.
SUMMERY OF THE UTILITY MODEL
To address the above technical problem, or at least partially solve the above technical problem, the present application provides a distal catheter alveolar lavage device including a syringe, wherein,
the injector is communicated with a four-way joint through a pipeline;
one joint of the four-way joint is communicated with a connecting pipe, and the connecting pipe is detachably connected with a forceps channel of the endoscope;
one connector of the four-way connector is connected with a negative suction pipe, and a first stop valve is arranged at the connection position of the negative suction pipe and the four-way connector; the negative suction pipe is communicated with a collecting tank, and the collecting tank is connected with a negative pressure source through a communicating pipe;
and the other joint of the four-way joint is connected with a pressure regulating mechanism.
Furthermore, the injector is detachably connected to the pipeline, the pipeline is detachably connected to the four-way joint, the four-way joint is detachably connected to the connecting pipe, the four-way joint is detachably connected to the negative suction pipe, and the four-way joint is detachably connected to the pressure regulating mechanism.
Furthermore, the negative suction pipe and the communicating pipe are communicated with the top of the collecting tank, the collecting tank is provided with a baffle, and the baffle is arranged between the negative suction pipe and the connecting part of the communicating pipe and the collecting tank.
Furthermore, the pressure regulating mechanism comprises an elastic air bag and a second stop valve, the elastic air bag is detachably connected with the four-way joint, and the second stop valve is arranged between the four-way joint and the elastic air bag.
Furthermore, pressure regulating mechanism includes the inflator, slide in the inflator and set up the piston, the one end of push rod is connected to the piston, the other end of push rod extends the cavity at piston place, and set up and push away the cap, push away the cap with set up the spring between the inflator, the piston place the cavity intercommunication four way connection.
Furthermore, set up the sliding tray on the inflator, push away cap sliding connection in the sliding tray, the notch of sliding tray is restrainted, the periphery that pushes away the cap sets up the card eaves, the restraint of sliding tray notch blocks the card eaves.
Furthermore, a second stop valve is arranged between the air cylinder and the four-way joint.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:
the distal catheter alveolar lavage device provided by the embodiment of the application injects the physiological saline into the lung of the patient through the syringe; after the injection is successful, the elastic air bag is repeatedly extruded or the push cap is repeatedly pressed, so that the physiological saline injected into the lung can fully flush the lung of the patient, the sampling or flushing is full, and the operation is simple; in the process of liquid pumping, the negative pressure source is pumped, the negative pressure source can provide stable, continuous and adjustable negative pressure, effusion in the lung of a patient can be fully pumped out, and the comfort level of the patient can be guaranteed by the adjustable negative pressure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic view of a distal catheter alveolar lavage device provided in an embodiment of the present application;
FIG. 2 is a schematic view of another distal catheter alveolar lavage device provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram of the pressure regulating mechanism shown in fig. 2.
The reference numbers and meanings in the figures are as follows: 1. the device comprises a syringe, 2, a four-way joint, 3, a connecting pipe, 4, a negative suction pipe, 5, a first stop valve, 6, a collecting tank, 61, a baffle, 7, a negative pressure source, 8, a pressure regulating mechanism, 81, a spring, 82, a push rod, 83, a piston, 84, an air cylinder, 9 and an endoscope.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
FIG. 1 is a schematic view of a distal catheter alveolar lavage device provided in an embodiment of the present application;
FIG. 2 is a schematic view of another distal catheter alveolar lavage device provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram of the pressure regulating mechanism shown in fig. 2.
Example 1
Referring to fig. 1, the utility model provides a distal catheter alveolar lavage device, which comprises an injector 1, wherein the injector 1 is communicated with one joint of a four-way joint 2 through a pipeline, the injector 1 is detachably connected with the pipeline, and the pipeline is detachably connected with the four-way joint 2.
One joint of the four-way joint 2 is communicated with a connecting pipe 3, and particularly, the connecting pipe 3 is detachably connected with the four-way joint 2; the connecting tube 3 is detachably connected to the clamp channel of the endoscope 9, and another possible embodiment is that the connecting tube 3 extends into the trachea of the patient through the clamp channel of the endoscope 9. The end part of the endoscope 9 is provided with an objective lens and light guide rays, the objective lens is electrically connected with the display, and the light guide rays are connected with the light source.
One joint of the four-way joint 2 is connected with a negative suction pipe 4, and specifically, the negative suction pipe 4 is detachably connected with the four-way joint 2; a first stop valve 5 is arranged at the joint of the negative suction pipe 4 and the four-way joint 2; the negative suction pipe 4 is communicated with a collecting tank 6, and the collecting tank 6 is connected with a negative pressure source 7 through a communicating pipe. In the specific implementation process, a tank cover is arranged at the top of the collecting tank 6 in a sealing mode, the negative suction pipe 4 and the communicating pipe are communicated with the tank cover at the top of the collecting tank 6, a baffle 61 is arranged in the collecting tank 6, and the baffle 61 is arranged between the negative suction pipe 4 and the joint of the communicating pipe and the tank cover. A feasible negative pressure source 7 is a medical vacuum negative pressure machine, comprises a controllable vacuum pump, and can stably and controllably suck the effusion from the lung of a patient.
The other joint of the four-way joint 2 is connected with a pressure regulating mechanism 8, and specifically, the four-way joint 2 is detachably connected with the pressure regulating mechanism 8. The pressure regulating mechanism 8 comprises an elastic air bag and a second stop valve, the elastic air bag is detachably connected with the four-way connector 2, and the second stop valve is arranged between the four-way connector 2 and the elastic air bag.
Example 2
Embodiment 2 differs from embodiment 1 in that pressure regulating mechanism 8 adopts different structures, specifically, another feasible pressure regulating mechanism 8 includes an air cylinder 84, be provided with a chamber and one in the air cylinder 84 that the pressure regulating was used with the sliding tray that the chamber is adjacent, sliding connection piston 83 in the chamber, push rod 82 is connected to one side of piston 83, the one end of push rod 82 extends the chamber and extends to the sliding tray, push rod 82's tip sets up and pushes away the cap, it sets up the card brim to push away cap lateral wall periphery, the notch of sliding tray sets up to be restrainted, through it restraints to be restrainted the warp push cap limit in the within range of sliding tray, push away the cap with set up spring 81 between the bottom of sliding tray.
The chamber is communicated with the four-way joint 2. In a specific implementation process, a second stop valve is arranged between the air cylinder 84 and the four-way joint 2.
The principle of the far-end catheter alveolar lavage device provided by the utility model is as follows:
communicating the connecting pipe 3 with a clamp channel of the endoscope 9, collecting physiological saline in even a lung trachea of a patient of the endoscope 9 through the injector 1, connecting the injector 1 with the pipeline and the four-way joint, controlling the first stop valve 5 and the second stop valve to be closed, and pressing the injector 1 to inject the physiological saline into the lung of the patient; and opening the second stop valve, and repeatedly pressing the elastic air bag or repeatedly pressing the push cap to ensure that the pressure regulating mechanism 8 changes the air pressure to ensure that the physiological saline in the lung of the patient is repeatedly sucked and released under the action of the air pressure, so that the physiological saline in the lung of the patient can fully wash the alveolus of the patient. And the self-recovery of the elastic air bag or the elasticity of the spring quickly enables the pressure regulating mechanism 8 to reset, the operation is convenient, and the injector 1 does not need to be repeatedly drawn and released. In addition, when drainage is performed, the second stop valve is closed, the first stop valve 5 is opened, the negative pressure source 7 is opened, stable and controllable negative pressure is provided by the negative pressure source 7 to suck out accumulated liquid in the lung of the patient, the accumulated liquid enters the collecting tank 6 through the negative suction pipe 4, the baffle 61 arranged in the collecting tank 6 can block and quickly and stably accumulate the liquid, and the accumulated liquid is prevented from entering the negative pressure source 7.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. A distal catheter alveolar lavage device comprising a syringe (1) in which,
the injector (1) is communicated with a four-way joint (2) through a pipeline;
one joint of the four-way joint (2) is communicated with a connecting pipe (3), and the connecting pipe (3) is detachably connected with a forceps channel of an endoscope;
one joint of the four-way joint (2) is connected with a negative suction pipe (4), and a first stop valve (5) is arranged at the joint of the negative suction pipe (4) and the four-way joint (2); the negative suction pipe (4) is communicated with a collecting tank (6), and the collecting tank (6) is connected with a negative pressure source (7) through a communicating pipe;
the other joint of the four-way joint (2) is connected with a pressure regulating mechanism (8).
2. The distal catheter alveolar lavage device according to claim 1, wherein the syringe (1) is detachably connected to the tube, the tube is detachably connected to the four-way joint (2), the four-way joint (2) is detachably connected to the connecting tube (3), the four-way joint (2) is detachably connected to the negative suction tube (4), and the four-way joint (2) is detachably connected to the pressure regulating mechanism (8).
3. The distal catheter alveolar lavage device according to claim 1, wherein the negative suction tube (4) and the communicating tube communicate with the top of the collection tank (6), the collection tank (6) is provided with a baffle (61), and the baffle (61) is provided between the negative suction tube (4) and the junction of the communicating tube and the collection tank (6).
4. The distal catheter alveolar lavage device according to claim 1, wherein the pressure regulating mechanism (8) comprises an elastic balloon detachably connected to the four-way joint (2) and a second stop valve disposed between the four-way joint (2) and the elastic balloon.
5. The distal catheter alveolar lavage device according to claim 1, wherein the pressure regulating mechanism (8) comprises a cylinder (84), a piston (83) is slidably arranged in the cylinder (84), the piston (83) is connected with one end of a push rod (82), the other end of the push rod (82) extends out of a chamber where the piston (83) is located and is provided with a push cap, a spring (81) is arranged between the push cap and the cylinder (84), and the chamber where the piston (83) is located is communicated with the four-way joint (2).
6. The distal catheter alveolar lavage device according to claim 5, wherein the cylinder (84) is provided with a sliding groove, the push cap is slidably connected with the sliding groove, the notch of the sliding groove is constricted, the periphery of the push cap is provided with a clamping brim, and the constriction of the notch of the sliding groove clamps the clamping brim.
7. The distal catheter alveolar lavage device according to claim 5, wherein a second shut-off valve is provided between the gas cylinder (84) and the four-way joint (2).
CN202120591650.3U 2021-03-23 2021-03-23 Distal catheter alveolar lavage device Active CN215308984U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120591650.3U CN215308984U (en) 2021-03-23 2021-03-23 Distal catheter alveolar lavage device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120591650.3U CN215308984U (en) 2021-03-23 2021-03-23 Distal catheter alveolar lavage device

Publications (1)

Publication Number Publication Date
CN215308984U true CN215308984U (en) 2021-12-28

Family

ID=79584368

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120591650.3U Active CN215308984U (en) 2021-03-23 2021-03-23 Distal catheter alveolar lavage device

Country Status (1)

Country Link
CN (1) CN215308984U (en)

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