CN210844530U - Hydrops draw-out device for cardiothoracic surgery - Google Patents
Hydrops draw-out device for cardiothoracic surgery Download PDFInfo
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- CN210844530U CN210844530U CN201921476484.1U CN201921476484U CN210844530U CN 210844530 U CN210844530 U CN 210844530U CN 201921476484 U CN201921476484 U CN 201921476484U CN 210844530 U CN210844530 U CN 210844530U
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- effusion
- extraction
- buffer tank
- hydrops
- piston rod
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Abstract
The utility model discloses an effusion extraction device for cardiothoracic surgery in the technical field of medical apparatus, which comprises an effusion extraction puncture needle, an effusion buffer tank, a power extraction part and the like, wherein the effusion extraction puncture needle is easy to pierce into the skin and extend into the pleural cavity of a patient for effusion extraction, the effusion buffer tank is used for placing the extracted pleural effusion, an inner connecting ring is used for supporting a check valve, the check valve is used for preventing the backflow of the pleural effusion entering the effusion buffer tank, the piston rod is driven to rotate by screwing the wrench, the piston rod rotates to drive the piston to rotate in the threaded extraction pipe, thereby generating negative pressure in the effusion buffer tank, the pleural effusion enters the effusion buffer tank along the effusion extraction puncture needle, the negative pressure is average through the threaded connection of the piston and the threaded extraction pipe, effectively prevent simultaneously that the pleural effusion from backflowing the condition taking place, alleviate operating personnel's psychological pressure, guarantee the stability of pleural effusion extraction.
Description
Technical Field
The utility model relates to the technical field of medical equipment, the concrete field is a hydrops draw-out device for cardiothoracic surgery.
Background
The pleural cavity is a cavity between the visceral and parietal layers of the pleura, and normally, fluid is secreted into the pleural cavity to lubricate the pleural cavity, but if too much fluid is secreted, pleural effusion can occur. When a patient suffers from pleural effusion, symptoms of cough and chest pain occur firstly, dry cough is often presented, chest stabbing pain is accompanied, chest pain is aggravated when cough or deep breathing occurs, and symptoms of dyspnea occur secondly. The symptoms are not obvious when a small amount of fluid is accumulated, or the chest is only slightly stuffy. However, if there is a large accumulation of fluid, there is significant difficulty in breathing. In addition, pleural fricatives can occur when the pleural cavity is filled with only a small amount of fluid, and the typical signs of fluid accumulation are fullness in the affected thorax, impaired respiratory motion, percussive voiced sounds, tremor, and diminished or absent respiratory sounds. In the case of moderate effusion, bronchial respiration may be heard at the upper border of the percussion voiced sound. The hydrops of current extraction thorax generally adopts the mode of puncture to go on, then absorbs through ordinary syringe, because there is the possibility of backward flow in absorbing pleural effusion, the operator continues to exert external force in order to prevent its backward flow to the piston of syringe, and it can not be too big to exert external force simultaneously to prevent that the suction dynamics is too big, and consequently it is great to lead to operator's pressure.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydrops draw-out device for cardiothoracic surgery to solve the problem of mentioning in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: an effusion extraction device for cardiothoracic surgery comprises an effusion extraction puncture needle, wherein an effusion buffer tank is communicated with the upper end of the effusion extraction puncture needle and comprises a tank body, an outer connecting ring is fixedly connected with the upper end of the outer side wall of the tank body, an inner connecting ring is fixedly connected with the lower end of the inner side wall of the tank body, a one-way valve is installed on the inner connecting ring, the upper end of the effusion buffer tank is communicated with a power extraction part, the power extraction part comprises a connecting cavity, the lower end of the connecting cavity is communicated with a contact pipe, the lower end of the connecting cavity is in threaded connection with the outer side wall, the outer side wall of the contact pipe is in close contact with the inner side wall of the tank body, a thread extraction pipe is integrally formed at the right end of the connecting cavity, the inner thread of the thread extraction pipe is connected with a piston, and one end, the other end of the piston rod is fixedly connected with a wrench.
Preferably, the upper portion of the side wall of the tank body is connected with a liquid outlet pipe, and a switch valve is arranged on the liquid outlet pipe.
Preferably, the lower end of the effusion extraction puncture needle is in an oblique pointed shape.
Preferably, the wrench is in a straight plate shape, and the length of the wrench is greater than the diameter of the piston rod.
Preferably, the middle part of the wrench is fixedly connected with the piston rod.
Preferably, the check valve is a plastic check valve.
Compared with the prior art, the beneficial effects of the utility model are that: an effusion extraction device for cardiothoracic surgery, wherein a effusion extraction puncture needle is easy to pierce the skin and extend into the thoracic cavity of a patient to extract effusion, the hydrops buffer tank is used for placing the extracted pleural effusion, the inner connecting ring is used for supporting the one-way valve, the one-way valve is used for preventing the backflow of the pleural effusion entering the hydrops buffer tank, the piston rod is driven to rotate by screwing the screw handle, the piston rod drives the piston to rotate in the threaded extraction pipe, thereby generating negative pressure in the effusion buffer tank, the pleural effusion enters the effusion buffer tank along the effusion extraction puncture needle, the negative pressure is average through the threaded connection of the piston and the thread extraction pipe, effectively prevent simultaneously that the pleural effusion from backflowing the condition taking place, alleviate operating personnel's psychological pressure, guarantee the stability of pleural effusion extraction.
Further, the lateral wall upper portion of the jar body is connected with the drain pipe, be provided with the ooff valve on the drain pipe, the drain pipe makes things convenient for the sample operation of hydrops, and after finishing the extraction of pleural effusion, if need sample test, the accessible is opened the ooff valve, the internal hydrops of jar is followed the drain pipe is discharged, and it can to use the dress liquid bottle to connect the dress.
Drawings
FIG. 1 is a sectional view of the main structure of the present invention;
FIG. 2 is an enlarged schematic view of the present invention at A in FIG. 1;
FIG. 3 is an enlarged schematic view of the present invention at B in FIG. 1;
fig. 4 is a right side view of the piston rod and the screw driver of the present invention.
In the figure: 1-effusion extraction puncture needle, 2-effusion buffer tank, 201-tank body, 202-external connecting ring, 203-internal connecting ring, 204-one-way valve, 205-effluent pipe, 206-switch valve, 3-power extraction part, 301-connecting cavity, 302-contact pipe, 303-thread extraction pipe, 304-piston, 305-piston rod and 306-wrench.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The description of the directions (up, down, left, right, front, and back) is made with reference to the structure shown in fig. 1 of the drawings attached to the specification, but the practical direction of the present invention is not limited thereto.
Example (b):
referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a hydrops draw-out device for cardiothoracic surgery, includes hydrops extraction pjncture needle 1, hydrops extraction pjncture needle 1 easily pierces skin and stretches into in the patient's thorax and carry out the hydrops extraction, the upper end intercommunication of hydrops extraction pjncture needle 1 is provided with hydrops buffer tank 2, hydrops buffer tank 2 is used for placing the pleural effusion of extraction, hydrops buffer tank 2 includes a jar body 201, the outer go-between 202 of the lateral wall upper end fixedly connected with of jar body 201, the inside wall lower extreme fixedly connected with in-connection ring 203 of jar body 201, install check valve 204 on the in-connection ring 203, in-connection ring 203 is used for supporting check valve 204, check valve 204 is used for preventing to enter into the pleural effusion backward flow in the hydrops buffer tank 2, the upper end and the power extraction portion 3 of hydrops buffer tank 2 are linked together, power extraction portion 3 is, the lower extreme intercommunication of connecting chamber 301 is provided with contact pipe 302, the lower extreme of connecting chamber 301 with outer connecting ring 202 threaded connection, contact pipe 302 the lateral wall with the inside wall in close contact with of jar body 201, the right-hand member integrated into one piece of connecting chamber 301 has screw extraction pipe 303, the inside threaded connection of screw extraction pipe 303 has piston 304, the one end of fixedly connected with piston rod 305 on the lateral wall of piston 304, the other end fixedly connected with wrench 306 of piston rod 305, through twisting wrench 306, drive piston rod 305 is rotatory, piston rod 305 is rotatory to drive piston 304 is in screw extraction pipe 303 internal rotation, thereby makes produce the negative pressure in the hydrops buffer tank 2, pleural effusion along hydrops extraction pjncture needle 1 gets into in hydrops buffer tank 2, through the threaded connection of piston 304 with screw extraction pipe 303, make the negative pressure average, effectively prevent the pleural effusion backward flow condition simultaneously and take place, alleviate operating personnel's psychological pressure, guarantee the stability of pleural effusion extraction.
Particularly, lateral wall upper portion of jar body 201 is connected with drain pipe 205, be provided with ooff valve 206 on the drain pipe 205, drain pipe 205 makes things convenient for the sample operation of hydrops, and after finishing the extraction of pleural effusion, if need sample test, the accessible is opened ooff valve 206, hydrops in jar body 201 are followed drain pipe 205 discharges, and it can to use the dress liquid bottle to connect dress.
Particularly, the lower end of the effusion extraction puncture needle 1 is in an oblique pointed shape, and the lower end is in an oblique pointed shape the effusion extraction puncture needle is easy to pierce into the skin and extend into the pleural cavity of a patient to extract effusion.
Specifically, the wrench 306 is a straight plate, the length of the wrench 306 is greater than the diameter of the piston rod 305, the wrench 306 is screwed to drive the piston rod 305 to rotate, the piston rod 305 rotates to drive the piston 304 to rotate in the thread extraction pipe 303, so that negative pressure is generated in the effusion buffer tank 2, and pleural effusion is along the effusion extraction puncture needle 1 to enter the effusion buffer tank 2.
Specifically, the middle part of the wrench 306 is fixedly connected with the piston rod 305, the wrench 306 is screwed to drive the piston rod 305 to rotate, the piston rod 305 rotates to drive the piston 304 to rotate in the threaded extraction tube 303, so that negative pressure is generated in the effusion buffer tank 2, and pleural effusion enters the effusion buffer tank 2 along the effusion extraction puncture needle 1.
Specifically, the check valve 204 is a plastic check valve, and the check valve 204 is used for preventing the backflow of the pleural effusion entering the effusion buffer tank 2.
The working principle is as follows: the hydrops extraction pjncture needle 1 easily pierces skin and stretches into and carries out the hydrops extraction in the patient's thorax, the upper end intercommunication of hydrops extraction pjncture needle 1 is provided with hydrops buffer tank 2, hydrops buffer tank 2 is used for placing the pleural effusion of extraction, hydrops buffer tank 2 includes a jar body 201, the lateral wall upper end fixedly connected with outer connector ring 202 of jar body 201, the inside wall lower extreme fixedly connected with in-connection ring 203 of jar body 201, install check valve 204 on the in-connection ring 203, in-connection ring 203 is used for supporting check valve 204, check valve 204 is used for preventing to enter into the pleural effusion backward flow in the hydrops buffer tank 2, the upper end and the power extraction portion 3 of hydrops buffer tank 2 are linked together, power extraction portion 3 is including connecting chamber 301, the lower extreme intercommunication of connecting chamber 301 is provided with contact tube 302, the lower extreme of connecting chamber 301 with outer connector ring 202 threaded connection, the outer side wall of the contact tube 302 is in close contact with the inner side wall of the tank body 201, a thread extraction tube 303 is integrally formed at the right end of the connection cavity 301, a piston 304 is connected to the inner thread of the thread extraction tube 303, one end of a piston rod 305 is fixedly connected to the side wall of the piston 304, a wrench 306 is fixedly connected to the other end of the piston rod 305, the wrench 306 is screwed to drive the piston rod 305 to rotate, the piston rod 305 rotates to drive the piston 304 to rotate in the thread extraction tube 303, so that negative pressure is generated in the effusion buffer tank 2, pleural effusion enters the effusion buffer tank 2 along the effusion extraction puncture needle 1, the negative pressure is averaged through the threaded connection between the piston 304 and the thread extraction tube 303, the backflow situation of the pleural effusion is effectively prevented, and the psychological pressure of operators is reduced, the stability of extracting the pleural effusion is ensured.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description of description and drawing, and the concrete connection mode of each component all adopts ripe concrete placement conventional means among the prior art, no longer details here.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a hydrops draw-out device for cardiothoracic surgery, includes hydrops extraction pjncture needle (1), its characterized in that: the upper end intercommunication of hydrops extraction pjncture needle (1) is provided with hydrops buffer tank (2), hydrops buffer tank (2) is including a jar body (201), outer side wall upper end fixedly connected with outer go-between (202) of the jar body (201), the inside wall lower extreme fixedly connected with in-connection ring (203) of the jar body (201), install check valve (204) on in-connection ring (203), the upper end and the power extraction portion (3) of hydrops buffer tank (2) are linked together, power extraction portion (3) are including connecting chamber (301), the lower extreme intercommunication of connecting chamber (301) is provided with contact tube (302), the lower extreme of connecting chamber (301) with outer go-between (202) threaded connection, the lateral wall of contact tube (302) with the inside wall in close contact with of the jar body (201), the right-hand member integrated into one piece of connecting chamber (301) has screw thread extraction pipe (303), the internal thread of the thread extraction pipe (303) is connected with a piston (304), one end of a piston rod (305) is fixedly connected to the side wall of the piston (304), and the other end of the piston rod (305) is fixedly connected with a screw handle (306).
2. The effusion extraction device for cardiothoracic surgery of claim 1, characterized in that: the lateral wall upper portion of jar body (201) is connected with drain pipe (205), be provided with ooff valve (206) on drain pipe (205).
3. The effusion extraction device for cardiothoracic surgery of claim 1, characterized in that: the lower end of the effusion extraction puncture needle (1) is in an oblique pointed shape.
4. The effusion extraction device for cardiothoracic surgery of claim 1, characterized in that: the wrench (306) is in a straight plate shape, and the length of the wrench (306) is larger than the diameter of the piston rod (305).
5. The effusion extraction device for cardiothoracic surgery of claim 4, characterized in that: the middle part of the screwing handle (306) is fixedly connected with the piston rod (305).
6. The effusion extraction device for cardiothoracic surgery of claim 1, characterized in that: the check valve (204) is a plastic check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921476484.1U CN210844530U (en) | 2019-09-06 | 2019-09-06 | Hydrops draw-out device for cardiothoracic surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921476484.1U CN210844530U (en) | 2019-09-06 | 2019-09-06 | Hydrops draw-out device for cardiothoracic surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210844530U true CN210844530U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921476484.1U Expired - Fee Related CN210844530U (en) | 2019-09-06 | 2019-09-06 | Hydrops draw-out device for cardiothoracic surgery |
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| CN (1) | CN210844530U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113425385A (en) * | 2021-06-02 | 2021-09-24 | 河北医科大学第二医院 | Pneumothorax puncture device with uniform-speed liquid pumping function for department of respiration |
-
2019
- 2019-09-06 CN CN201921476484.1U patent/CN210844530U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113425385A (en) * | 2021-06-02 | 2021-09-24 | 河北医科大学第二医院 | Pneumothorax puncture device with uniform-speed liquid pumping function for department of respiration |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200626 Termination date: 20210906 |
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| CF01 | Termination of patent right due to non-payment of annual fee |