CN203989161U - A kind of thoracic surgery liquid extracting device device - Google Patents
A kind of thoracic surgery liquid extracting device device Download PDFInfo
- Publication number
- CN203989161U CN203989161U CN201420414832.3U CN201420414832U CN203989161U CN 203989161 U CN203989161 U CN 203989161U CN 201420414832 U CN201420414832 U CN 201420414832U CN 203989161 U CN203989161 U CN 203989161U
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- piston
- tube chamber
- liquid outlet
- drain pipe
- hollow tube
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Abstract
A kind of thoracic surgery liquid extracting device device, comprise: the first side wall seals into cylindrical needle tubing with the second sidewall, dividing plate intermediate formation the first liquid outlet, between the first side wall and dividing plate, form the first hollow tube chamber, the first hollow pipe intracavity is provided with first piston, first piston middle part is formed with the second liquid outlet, the through hole of first piston is connected with the port of the drain pipe of hollow, in the tube chamber of drain pipe, be provided with the second check valve, the outer wall of drain pipe is provided with external screw thread, drain pipe is connected with the female through hole spiral of establishing on needle tubing, the another port of drain pipe forms the 3rd liquid outlet, between dividing plate and the second sidewall, be formed with the second hollow tube chamber, the second hollow pipe intracavity is provided with the second piston, the second hollow tube chamber extends and is connected with piercing needle to a side, the flexible pipe of this device does not limit the range of activity of hands, convenient while making doctor's extracting liquid, flexible pipe is not done back and forth movement along with piston rod, and flexible pipe is not easy to depart from from connection-peg, good stability, and reliability is high.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, relates in particular to a kind of thoracic surgery liquid extracting device device.
Background technology
At present, the liquid extracting device that the treatment of cardiothoracic surgery puncture is used, its structure is that the front end sleeve of syringe has piercing needle.Chinese utility model patent (notification number: CN201912197U, the day for announcing: on 08 03rd, 2011) " a kind of puncture outfit for cardiothoracic surgery " disclosed, its technical scheme is as follows: a kind of puncture outfit for cardiothoracic surgery, comprise needle tubing, piercing needle, in needle tubing, be provided with piston, piston rear end connects piston rod, the check valve I that piercing needle and needle tubing junction have a permission to flow into needle lumen direction, described piston rod and piston have the hollow tube chamber of a perforation, at piston rod and piston junction, there is a check valve II who only flows out to piston rod hollow tube chamber for liquid in needle lumen.The end of described piston rod has the connection-peg for connecting hose, to facilitate connection mozzle.
There is following weak point in this perforator: piston-rod end connecting hose, and piston rod needs again to do back and forth movement, the activity of hoses limit hand, it is convenient not to use, and is unfavorable for the carrying out of operation; Flexible pipe is easy to depart from from connection-peg, causes liquid unrestrained, brings larger threat to patient's personal safety.
Utility model content
The purpose of this utility model is, overcomes the deficiencies in the prior art part, and a kind of thoracic surgery liquid extracting device device is provided, and flexible pipe and piston rod are separated, and the flexible pipe of this device does not limit the range of activity of hands, convenient while making doctor's extracting liquid; Flexible pipe is not done back and forth movement along with piston rod, and flexible pipe is not easy to depart from from connection-peg, good stability, and reliability is high.
A kind of thoracic surgery liquid extracting device device described in the utility model, includes: piercing needle, the first check valve, dividing plate, the first hollow tube chamber, the first liquid outlet, the first side wall, first piston, the second check valve, drain pipe, the 3rd liquid outlet, draw ring, pull bar, the second sidewall, the first limited block, the second limited block, the second piston, the second hollow tube chamber, the second liquid outlet.The first side wall seals into cylindrical needle tubing with the second sidewall, in cylindrical needle tubing, near the first side wall, be provided with dividing plate, between the first side wall and dividing plate, form the first hollow tube chamber, dividing plate intermediate formation the first liquid outlet, the first hollow pipe intracavity is provided with first piston, first piston middle part is formed with the second liquid outlet, the through hole of first piston is connected with the port of the drain pipe of hollow, in the tube chamber of drain pipe, be provided with the second check valve, the outer wall of drain pipe is provided with external screw thread, drain pipe is connected with the female through hole spiral of establishing on needle tubing, the another port of drain pipe forms the 3rd liquid outlet, the 3rd liquid outlet place is provided with the connection-peg being connected with mozzle, between dividing plate and the second sidewall, be formed with the second hollow tube chamber, the second hollow pipe intracavity is provided with the second piston, the second hollow tube chamber extends and is connected with piercing needle to a side, the second sidewall is provided with the second limited block, dividing plate is provided with the first limited block, between the second limited block and piercing needle, be provided with the second piston, one side of the second piston is connected with pull bar, pull bar extends to needle tubing outward and forms a draw ring through the through hole on needle tubing, the junction of piercing needle and the second hollow tube chamber is provided with the first check valve.
While using thoracic surgery described in the utility model with liquid extracting device device, the second piston moves back and forth at the second hollow pipe intracavity, the second piston movement is blocked during to limited block and avoids slippage, it is large that want in the aperture of Thickness Ratio first liquid outlet of the second piston, when the second piston runs between stopper and the first liquid outlet, the first liquid outlet do not stop by the second piston, and liquid flows out from the second liquid outlet.Due to the existence of the first check valve, liquid can't adverse current in patient body.The intraluminal liquid of the first hollow enters mozzle by drain pipe and flows out, due to the existence of the second check valve, liquid can't adverse current in needle tubing.
Compared with prior art, the beneficial effects of the utility model are: a kind of thoracic surgery liquid extracting device device described in the utility model, and the flexible pipe of this device does not limit the range of activity of hands, convenient while making doctor's extracting liquid; Flexible pipe is not done back and forth movement along with piston rod, and flexible pipe is not easy to depart from from connection-peg, good stability, and reliability is high.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of liquid extracting device device for a kind of thoracic surgery described in the utility model.In figure: 1-piercing needle, 2-the first check valve 3-dividing plate 4-the first hollow tube chamber 5-the first liquid outlet 6-the first side wall 7-first piston 8-the second check valve 9-drain pipe 10-the three liquid outlet 11-draw ring 12-pull bar 13-the second sidewall 14-the first limited block 15-the second limited block 16-the second piston 17-the second hollow tube chamber the 18-the second liquid outlet.
The specific embodiment
Referring now to accompanying drawing 1, be described as follows: a kind of thoracic surgery liquid extracting device device, includes: piercing needle 1, the first check valve 2, dividing plate 3, the first hollow tube chamber 4, the first liquid outlet 5, the first side wall 6, first piston 7, the second check valve 8, drain pipe 9, the 3rd liquid outlet 10, draw ring 11, pull bar 12, the second sidewall 13, the first limited block 14, the second limited block 15, the second piston 16, the second hollow tube chamber 17, the second liquid outlet 18 in conjunction with the embodiments.The first side wall 6 seals into cylindrical needle tubing with the second sidewall 13, in cylindrical needle tubing, near the first side wall, be provided with dividing plate 3, between the first side wall 6 and dividing plate 3, form the first hollow tube chamber 4, dividing plate 3 intermediate formation the first liquid outlets 5, in the first hollow tube chamber 4, be provided with first piston 7, first piston 7 middle parts are formed with the second liquid outlet 18, the through hole of first piston 7 is connected with the port of the drain pipe of hollow 9, in the tube chamber of drain pipe 9, be provided with the second check valve 8, the outer wall of drain pipe 9 is provided with external screw thread, drain pipe 9 is connected with the female through hole spiral of establishing on needle tubing, the another port of drain pipe 9 forms the 3rd liquid outlet 10, the 3rd liquid outlet 10 places are provided with the connection-peg being connected with mozzle, between dividing plate 3 and the second sidewall 13, be formed with the second hollow tube chamber 17, in the second hollow tube chamber 17, be provided with the second piston 16, the second hollow tube chamber 17 extends and is connected with piercing needle 1 to a side, the second sidewall 13 is provided with the second limited block 15, dividing plate 3 is provided with the first limited block 14, between the second limited block 15 and piercing needle 1, be provided with the second piston 16, one side of the second piston 16 is connected with pull bar 12, pull bar 12 extends to needle tubing outward and forms a draw ring 11 through the through hole on needle tubing, the junction of piercing needle 1 and the second hollow tube chamber 17 is provided with the first check valve 2.
When using, the second piston 16 is in the interior reciprocating motion of the second hollow tube chamber 17, the second piston 16 is blocked and avoids slippage while moving to limited block, it is large that want in the aperture of Thickness Ratio first liquid outlet 5 of the second piston 16, when the second piston 16 runs between stopper and the first liquid outlet 5, the first liquid outlet 5 do not stop by the second piston 16, and liquid flows out from the second liquid outlet 18.Due to the existence of the first check valve 2, liquid can't adverse current in patient body.Liquid in the first hollow tube chamber 4 enters mozzle by drain pipe 9 and flows out, due to the existence of the second check valve 8, liquid can't adverse current in needle tubing.
Compared with prior art, the beneficial effects of the utility model are: a kind of thoracic surgery liquid extracting device device described in the utility model, and the flexible pipe of this device does not limit the range of activity of hands, convenient while making doctor's extracting liquid; Flexible pipe is not done back and forth movement along with piston rod, and flexible pipe is not easy to depart from from connection-peg, good stability, and reliability is high.
To one skilled in the art, can make other various corresponding changes and deformation according to technical scheme described above and design, and within these all changes and deformation all should belong to the protection domain of this utility model claim.
Claims (1)
1. a thoracic surgery liquid extracting device device, include: piercing needle (1), the first check valve (2), dividing plate (3), the first hollow tube chamber (4), the first liquid outlet (5), the first side wall (6), first piston (7), the second check valve (8), drain pipe (9), the 3rd liquid outlet (10), draw ring (11), pull bar (12), the second sidewall (13), the first limited block (14), the second limited block (15), the second piston (16), the second hollow tube chamber (17), the second liquid outlet (18), the first side wall (6) seals into cylindrical needle tubing with the second sidewall (13), it is characterized in that, in cylindrical needle tubing, near the first side wall, be provided with dividing plate (3), between the first side wall (6) and dividing plate (3), form the first hollow tube chamber (4), dividing plate (3) intermediate formation the first liquid outlet (5), in the first hollow tube chamber (4), be provided with first piston (7), first piston (7) middle part is formed with the second liquid outlet (18), the through hole of first piston (7) is connected with the port of the drain pipe (9) of hollow, in the tube chamber of drain pipe (9), be provided with the second check valve (8), the outer wall of drain pipe (9) is provided with external screw thread, drain pipe (9) is connected with the female through hole spiral of establishing on needle tubing, the another port of drain pipe (9) forms the 3rd liquid outlet (10), the 3rd liquid outlet (10) locates to be provided with the connection-peg being connected with mozzle, between dividing plate (3) and the second sidewall (13), be formed with the second hollow tube chamber (17), in the second hollow tube chamber (17), be provided with the second piston (16), the second hollow tube chamber (17) extends and is connected with piercing needle (1) to a side, the second sidewall (13) is provided with the second limited block (15), dividing plate (3) is provided with the first limited block (14), between the second limited block (15) and piercing needle (1), be provided with the second piston (16), one side of the second piston (16) is connected with pull bar (12), pull bar (12) extends to needle tubing outward and forms a draw ring (11) through the through hole on needle tubing, piercing needle (1) is provided with the first check valve (2) with the junction of the second hollow tube chamber (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420414832.3U CN203989161U (en) | 2014-07-27 | 2014-07-27 | A kind of thoracic surgery liquid extracting device device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420414832.3U CN203989161U (en) | 2014-07-27 | 2014-07-27 | A kind of thoracic surgery liquid extracting device device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203989161U true CN203989161U (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420414832.3U Expired - Fee Related CN203989161U (en) | 2014-07-27 | 2014-07-27 | A kind of thoracic surgery liquid extracting device device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203989161U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112618152A (en) * | 2020-12-14 | 2021-04-09 | 中国人民解放军总医院 | Viscoelastic agent and perfusate integrated injection device capable of measuring intraocular pressure |
-
2014
- 2014-07-27 CN CN201420414832.3U patent/CN203989161U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112618152A (en) * | 2020-12-14 | 2021-04-09 | 中国人民解放军总医院 | Viscoelastic agent and perfusate integrated injection device capable of measuring intraocular pressure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20150727 |
|
| EXPY | Termination of patent right or utility model |