CN216907998U - Auxiliary device - Google Patents

Abstract

The utility model relates to the technical field of medical instruments and provides an auxiliary device. This auxiliary device includes pipe and pressurization drive assembly, through fixing the pipe to the stomach tube for the pipe can insert human esophagus and stomach along with the stomach tube, so that when the pipe expands under pressurization drive assembly's drive effect and forms the measuring channel, the TEE probe can stretch into and detect the human body in the pipe. Then, can be more convenient when needing to carry out the TEE to the patient and detect stretching into the human body with the TEE probe, under the protection of expandable pipe, the condition of slippage also can not appear in the TEE probe, in addition, can reduce because the possibility of the hemorrhage that arouses when putting into the TEE probe, patient's tolerance is good.

Description

Auxiliary device

Technical Field

The utility model relates to the technical field of medical instruments, in particular to an auxiliary device.

Background

Tee (transesophageal echocardiography): the transesophageal echocardiogram is a new cardiovascular ultrasound technology developed in recent years, and because the special exploration position and the high-quality image display are adopted, a new visual window for cardiac great vessel imaging examination is opened up, and the range of transthoracic ultrasound examination is expanded, so that the transesophageal echocardiogram is gradually and widely applied in clinic.

When the heart and large vessel operation is carried out, more and more detailed information for diagnosing and evaluating the operation curative effect can be provided by using the TEE in the perioperative period, a surgeon is helped to select a correct operation mode and scheme, the operation curative effect can be evaluated in real time, problems can be found in time, remedial measures are provided, and the integral and local functions of the heart in the operation process can be continuously monitored and evaluated. TEE is widely used in cardiac surgery, non-cardiac surgery, cardiac disease, cardiac catheter interventional therapy, post-cardiac intensive care unit, and cardiac emergency treatment.

There are problems of esophageal bleeding when placing an esophageal ultrasound probe in examination using esophageal ultrasound, thin esophageal walls or some diseases in itself in some patients, and bleeding during surgery due to heparin used in cardiac surgery.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an auxiliary device, and aims to solve the problem that the esophagus of a patient is easy to bleed when a TEE probe is placed when the TEE examination is performed on the patient in the prior art.

In order to achieve the purpose, the utility model adopts the technical scheme that: an accessory device for assisting TEE detection of a human body, the accessory device being mounted on a gastric tube, the accessory device comprising:

the catheter has expandability, and the outer wall of the catheter is attached to the gastric tube and extends along the gastric tube in the human body;

a pressurization drive assembly connected to the catheter and adapted to pressurize the interior of the catheter to cause the catheter to expand to form a detection channel through which a TEE probe can pass.

In one embodiment, the pressurizing driving assembly comprises a pressurizer and an air duct arranged at the output end of the pressurizer and communicated with the guide tube, and one end of the guide tube far away from the air duct is a closed end.

In one embodiment, the air duct is attached to the inner wall of the conduit, or embedded in the wall of the conduit, and is detachably connected to the pressurizer.

In one embodiment, the accessory device further comprises a connector connected to the conduit, the connector having a first branch and a second branch both communicating with the conduit, the first branch for insertion of the TEE probe and the second branch for connection to the airway tube.

In one embodiment, a movable plug is arranged on the first branch pipe, the movable plug covers the first branch pipe to close the first branch pipe, and the movable plug is opened to enable the TEE probe to be inserted into the first branch pipe.

In one embodiment, the airway tube is removably coupled to the second manifold, and/or the airway tube is removably coupled to the pressurizer.

In one embodiment, the conduit is provided with an adapter which is matched with the connector, and the connector is detachably connected with the adapter.

In one embodiment, the pressurization drive assembly includes a pressure sensor for sensing a pressure inside the conduit.

In one embodiment, an anti-falling layer for preventing the catheter from falling off is arranged between the catheter and the stomach tube.

In one embodiment, a thermal insulation layer is arranged between the catheter and the gastric tube.

The utility model has the beneficial effects that: this auxiliary device includes pipe and pressurization drive assembly, through on fixing the stomach tube with the pipe for the pipe can insert human esophagus and stomach along with the stomach tube, so that when the pipe expands under pressurization drive assembly's drive effect and forms the measuring channel, the TEE probe can stretch into and detect the human body in the pipe. Then, can be more convenient when needing to carry out the TEE to the patient and detect stretching into the human body with the TEE probe, under the protection of expandable pipe, the condition of slippage also can not appear in the TEE probe, in addition, can reduce because the possibility of the hemorrhage that arouses when putting into the TEE probe, patient's tolerance is good.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of an auxiliary device provided by an embodiment of the present invention after being assembled with a gastric tube;

FIG. 2 is a first schematic structural diagram of an auxiliary device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an auxiliary device according to an embodiment of the present invention;

fig. 4 is a schematic sectional view of the assembled auxiliary device and gastric tube according to the embodiment of the present invention.

Description of the main element symbols:

100. an auxiliary device; 200. a gastric tube; 10. a conduit; 20. a pressurization drive assembly; 21. a pressurizer; 22. an air duct; 30. a connector; 31. a first branch pipe; 311. a movable plug; 32. a second branch pipe; 40. an adapter; 50. preventing delamination; 60. and a heat insulation layer.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection or electrical connection; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1, an auxiliary device 100 for assisting a TEE to test a human body is shown, wherein a TEE probe is inserted into an esophagus of the human body when the TEE is tested. In this embodiment, the auxiliary device 100 is installed on the gastric tube 200, and the gastric tube 200 needs to pass through the esophagus of the human body when in use, so that the auxiliary device 100 is combined with the gastric tube 200, and the TEE probe can be inserted into the esophagus of the human body in an auxiliary manner. Specifically, auxiliary device 100 includes pipe 10 and pressurization drive assembly 20, and the outer wall of pipe 10 is laminated with stomach tube 200, and pipe 10 has the expansibility, and pressurization drive assembly 20 is connected to pipe 10 and is used for to the inside pressurization of pipe 10, and then makes pipe 10 expand and form the detection channel that can supply the TEE probe to pass through, thereby makes the TEE probe can insert in pipe 10 and stretch into to the human esophagus along stomach tube 200, thereby carries out the TEE and detects. During the use, start pressurization drive assembly 20, pressurization drive assembly 20 is to the inside pressurization of pipe 10 for pipe 10 inflation expansion under the condition of internal pressure increase, and then makes the inside measuring channel that can supply the TEE probe to insert that forms of pipe 10, and the TEE measuring probe just also can be smooth inserts and detects in human esophagus.

In this embodiment, the catheter 10 is fixed to the gastric tube 200, so that the catheter 10 can be inserted into the esophagus and stomach of the human body along with the gastric tube 200, and when the catheter 10 is expanded to form a detection channel under the driving action of the pressurization driving assembly 20, the TEE probe can be inserted into the catheter 10 to detect the human body. When the TEE examination is performed, especially for a patient who has undergone a great cardiac vascular surgery, when the heart state needs to be observed by means of the TEE during or after the surgery, due to the fact that heparin is used in the surgery, the patient per se has a high probability of bleeding, and when the patient is placed through an esophagus ultrasonic probe for examination, pharyngeal mucosa injury, small blood vessels around the esophagus or rupture of the blood vessels of the mucosa easily cause esophageal perforation bleeding or local hematoma. The gastric tube 200 is placed in most patients who are subjected to tracheal intubation and cannot eat food through mouth, the gastric tube 200 is manually placed in the esophagus through the mouth or the nose, the stomach is reached through the pharynx, water and food are pumped into the nasogastric tube 200 and the stomach of the patient through a manual pressurizing syringe push rod and a piston, and the patient is guaranteed to take sufficient nutrition, moisture and medicines, and the gastric tube is used for years in clinic. Consequently, on laminating stomach tube 200 with pipe 10, after putting into the human body with stomach tube 200, pipe 10 just also can place the human body thereupon, so, can be more convenient when needs carry out the TEE to the patient and detect stretch into the human body with the TEE probe, under the protection of expandable pipe 10, the condition of slippage also can not appear in the TEE probe, in addition, can reduce the possibility owing to the hemorrhage that arouses when putting into the TEE probe, patient tolerance is good.

Further, the catheter 10 is connected to the outer wall of the gastric tube 200, and the size of the esophagus of the human body is larger than that of the gastric tube 200, so that the catheter 10 can be inserted into the human body along with the gastric tube 200 in an unexpanded normal state, and the catheter 10 can also not cause pressure on the esophagus of the human body after expansion. Furthermore, since the catheter 10 is connected to the outer wall of the gastric tube 200, the installation of the catheter 10 does not affect the operation of the gastric tube 200 itself, and the operation of the catheter 10 itself is not affected by the operation of the gastric tube 200.

Referring to fig. 2 or fig. 3, as an embodiment of the auxiliary device 100 provided in the present application, the pressurizing driving assembly 20 includes a pressurizer 21 and an airway tube 22 disposed at an output end of the pressurizer 21 and communicated with the conduit 10, wherein an end of the conduit 10 away from the airway tube 22 is a closed end. Pressurizer 21, when activated, pressurizes the interior of catheter 10 via airway tube 22, to expand catheter 10 to form a test channel through which a TEE probe can pass. The end of the conduit 10 remote from the air duct 22 is closed, so that the pressurizer 21 can smoothly expand the conduit 10 when pressurizing the interior of the conduit 10 through the air duct 22.

Specifically, in the present embodiment, after the catheter 10 is connected to the gastric tube 200, when the gastric tube 200 is inserted into the human body, the catheter 10 corresponds to the gastric tube 200, and has a portion disposed inside the human body and a portion disposed outside the human body. The partial end that pipe 10 was placed in human inside is sealed, and air duct 22 is connected in the one end that pipe 10 is located human outside, and presser 21 pressurizes to pipe 10 inside through air duct 22, because the other end of pipe 10 is sealed, pipe 10 thus the expansion that can be smooth, and, presser 21's pressurization effect also can not be used inside the human body, make pipe 10 form the detection passageway that can supply the TEE probe to stretch into in the expansion, presser 21's pressurization effect can not cause the discomfort to the human body, further alleviate human uncomfortable sense.

Further, in order to reduce the discomfort of the patient, the expansion process of the catheter 10 needs to be performed slowly, and accordingly, in the present embodiment, the diameter of the catheter 10 is small, so that when the pressurizer 21 pressurizes the catheter 10 through the airway tube 22, the flow rate of the gas introduced into the catheter 10 by the airway tube 22 is slow, so that the catheter 10 can be slowly expanded, thereby reducing the influence of the expansion process of the catheter 10 on the patient.

Referring to fig. 2, as an embodiment of the auxiliary device 100 of the present application, the air guiding tube 22 is attached to the inner wall of the conduit 10, and the air guiding tube 22 is detachably connected to the pressurizer 21. The airway tube 22 is attached to the inner wall of the catheter 10, so that after the catheter 10 is inserted into a human body along with the gastric tube 200, the airway tube 22 does not fall off, and the pressurizing driving assembly 20 can stably pressurize the catheter 10 when needed. The air duct 22 is detachably connected to the pressurizer 21, so that when the catheter 10 is not needed, the pressurizer 21 can be placed to one side, excessive components can be prevented from being connected to the catheter 10, and the influence of the arrangement of the auxiliary device 100 on the use of the gastric tube 200 is reduced.

In a further alternative embodiment, airway tube 22 is embedded in the wall of catheter 10, and in order to allow for a slow expansion of catheter 10, airway tube 22 is of a small size, so that, when catheter 10 is manufactured, airway tube 22 may be embedded in the wall of catheter 10, and further, airway tube 22 may be connected at one end to pressurizer 21 and at the other end to communicate with the interior of catheter 10, so as to cooperate with pressurizer 21 to pressurize catheter 10.

Referring to fig. 3, as an embodiment of the auxiliary device 100 provided in the present application, the auxiliary device 100 further includes a connector 30 connected to the conduit 10, the connector 30 has a first branch 31 and a second branch 32 both connected to the conduit 10, the first branch 31 is used for inserting the TEE probe, and the second branch 32 is used for connecting the airway tube 22. The air duct 22 is communicated with the second branch pipe 32, when the pressurizer 21 acts, the second branch pipe 32 pressurizes the inside of the guide pipe 10, the guide pipe 10 is expanded, after the guide pipe 10 is expanded to form a detection channel, the TEE probe is inserted into the guide pipe 10 through the first branch pipe 31, and therefore the human body is detected.

In this embodiment, the connector 30 is connected to one end of the catheter 10 located outside the human body, and when the medical staff operates the connector 30 by the design of the first branch tube 31 and the second branch tube 32, the pressurization operation of the catheter 10 and the operation of inserting the TEE probe into the catheter 10 can be independently performed, the pressurization process of the pressurization driving assembly 20 and the insertion process of the TEE probe do not interfere with each other, the medical staff is more convenient to operate, and the auxiliary device 100 is more reliable when in use.

Further, a movable plug 311 is arranged on the first branch pipe 31, the movable plug 311 covers the first branch pipe 31 to seal the first branch pipe 31, and the movable plug 311 opens to enable the TEE probe to be inserted into the first branch pipe 31. When the movable plug 311 is closed, both ends of the guide tube 10 are closed, and the pressurizing driving unit 20 pressurizes the inside of the guide tube 10 through the second branch tube 32, so that the guide tube 10 can be smoothly expanded. When movable plug 311 is opened, the health care professional can insert the TEE probe into catheter 10 through first branch 31 to perform the examination of the body.

Specifically, insert the human body in back at stomach tube 200, the corresponding human body of also arranging in of pipe 10, the piston is in normally closed state, when needs carry out the TEE to the human body and detect, makes pipe 10 expand through pressurization drive assembly 20 earlier, then when pipe 10 expands to can supply the TEE probe to pass through, opens movable plug 311, then alright stretch into pipe 10 with the TEE probe from first branch pipe 31. It will be appreciated that opening the moveable plug 311 after the catheter 10 has been expanded to form the sensing channel does not immediately reposition the catheter 10, and thus, the TEE probe can still be inserted into the catheter 10 without difficulty. Also, after the TEE probe is inserted, the pressurization drive assembly 20 may be used again to pressurize the interior of the catheter 10 so that the TEE probe can be smoothly advanced within the catheter 10.

Further, the airway tube 22 is removably connected to the second manifold 32. Air duct 22 can dismantle with second branch pipe 32 and be connected, and is corresponding, and air duct 22 can pull down from second branch pipe 32, can avoid the too many subassemblies of end connection of pipe 10 when need not use pipe 10, further makes things convenient for medical personnel to operate, also can alleviate the burden to patient. In a further alternative embodiment, the air tube 22 and the pressurizer 21 may be detachably connected, so that the pressurizer 21 and the air tube 22 are detached when the catheter 10 is not needed, excessive components connected to the catheter 10 can be avoided, and the pressurizer 21 and the air tube 22 are connected when the catheter 10 is needed. Or, the connection mode between the air duct 22 and the second branch tube 32 as well as the pressurizer 21 is set as detachable connection, so that the pressurizing driving assembly 20 can be detached when the catheter 10 is not needed, the excessive assembly connected to the end of the catheter 10 is avoided, and the operation of medical staff is facilitated.

In this embodiment, the catheter 10 is provided with an adapter 40 engaged with the connector 30, and the connector 30 is detachably connected to the adapter 40. Then, when the catheter 10 is not required to be used, only one adapter 40 may be attached to the end of the catheter 10 that is outside the body, and both the connector 30 and the compression drive assembly 20 may be placed in addition as a spare part, thereby minimizing the burden on the patient. Meanwhile, after the auxiliary device 100 is combined with the gastric tube 200, the influence on the gastric tube 200 is smaller, so that the gastric tube 200 can almost ignore the existence of the auxiliary device 100 when being used conventionally, and the using requirement can be better met.

In an alternative embodiment, pressurization drive assembly 20 includes a pressure sensor for sensing the pressure inside conduit 10. The pressure sensor can sense the air pressure inside the catheter 10, so that when the pressurizer 21 pressurizes the inside of the catheter 10 through the air duct 22, the air pressure inside the catheter 10 can be sensed, and the situation that the pressurizer 21 is excessively pressurized to cause the over-expansion of the catheter 10 is avoided.

Referring to fig. 4, as an embodiment of the auxiliary device 100 of the present application, an anti-falling layer 50 for preventing the catheter 10 from falling off is disposed between the catheter 10 and the gastric tube 200. The setting of anticreep layer 50 can avoid pipe 10 to drop from stomach tube 200, plays the guard action to pipe 10 to avoid pipe 10 stomach tube 200 to insert the in-process of human body and drop from stomach tube 200, cause the condition that can not insert in the human body along with stomach tube 200. Meanwhile, the situation that the catheter 10 falls off relative to the gastric tube 200 in the using process of the gastric tube 200 or the catheter 10 can be avoided. In this embodiment, the protection layer is a glue layer, a glue groove for filling the glue layer is formed on the gastric tube 200, and the glue layer is filled in the glue groove and is further connected with the wall surface of the catheter 10, so as to ensure the stability of the connection between the catheter 10 and the gastric tube 200.

Referring to fig. 4, as an embodiment of the auxiliary device 100 of the present application, a thermal insulation layer 60 is disposed between the catheter 10 and the gastric tube 200. Stomach tube 200 can be wherein filled food when using, and pipe 10 is when using, and the TEE probe stretches into in the pipe 10, if leave food in the stomach tube 200 that is close to with pipe 10, and this food has certain temperature, then just can cause the influence to the detection of TEE probe, consequently, set up the influence that the temperature in stomach tube 200 can be avoided to the TEE probe to set up insulating layer 60 between pipe 10 and stomach tube 200 for the data that the TEE probe detected are more accurate. Specifically, in this embodiment, insulating layer 60 is thermal-insulated glue, is connected through the colloid between pipe 10 and the stomach tube 200, uses thermal-insulated glue as insulating layer 60 can enough satisfy thermal-insulated demand, can satisfy the connection demand to pipe 10 and stomach tube 200 again.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An auxiliary device for assisting TEE detection on a human body, the auxiliary device being mounted on a gastric tube, the auxiliary device comprising:

the catheter has expandability, and the outer wall of the catheter is attached to the gastric tube and extends along the gastric tube in the human body;

a pressurization drive assembly connected to the catheter and adapted to pressurize the interior of the catheter to cause the catheter to expand to form a detection channel through which a TEE probe can pass.

2. The auxiliary device of claim 1, wherein the pressurizing driving assembly comprises a pressurizer and a gas-guiding tube arranged at an output end of the pressurizer and communicated with the guide tube, and one end of the guide tube, which is far away from the gas-guiding tube, is a closed end.

3. The auxiliary device of claim 2, wherein the air duct is attached to the inner wall of the conduit, or is embedded in the wall of the conduit, and is detachably connected to the pressurizer.

4. The accessory device of claim 2, further comprising a connector connected to the conduit, the connector having a first branch and a second branch both communicating with the conduit, the first branch for insertion of the TEE probe and the second branch for connection to the airway tube.

5. Auxiliary device according to claim 4, characterized in that a movable plug is provided on said first branch, said movable plug covering said first branch to close said first branch, said movable plug opening to enable insertion of said TEE probe into said first branch.

6. A supplemental device as claimed in claim 4, wherein the airway tube is removably connected to the second branch tube and/or the airway tube is removably connected to the pressuriser.

7. An accessory device as claimed in claim 4, wherein the conduit is provided with an adapter for engagement with the connector, the connector being removably attachable to the adapter.

8. An accessory device as claimed in any of claims 1 to 7, in which the pressurisation drive assembly includes a pressure sensor for sensing the pressure inside the conduit.

9. The device as claimed in claim 1, wherein an anti-detachment layer for preventing detachment of the catheter is provided between the catheter and the gastric tube.

10. The accessory device of claim 1, wherein a thermal insulation layer is provided between the catheter and the gastric tube.

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