CN213589279U - Medical negative pressure suction device - Google Patents
Medical negative pressure suction device Download PDFInfo
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- CN213589279U CN213589279U CN202022175366.6U CN202022175366U CN213589279U CN 213589279 U CN213589279 U CN 213589279U CN 202022175366 U CN202022175366 U CN 202022175366U CN 213589279 U CN213589279 U CN 213589279U
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- push rod
- negative pressure
- rotating shaft
- cylinder
- piston
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- 230000005540 biological transmission Effects 0.000 claims abstract description 39
- 238000000605 extraction Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
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Abstract
The invention belongs to the field of negative pressure suction devices, and discloses a medical negative pressure suction device, which comprises a cylinder, a needle head, a push rod, a piston and a handle, wherein the piston is arranged in the cylinder; the push rod is provided with a transmission rack, one side of the barrel body, far away from the needle head, is provided with a through hole, a rotating shaft is installed in the through hole, two ends of the rotating shaft extend out of the barrel body, a transmission gear is fixedly installed on the rotating shaft, and the transmission gear is meshed with the transmission rack. This is disclosed through setting up rotation axis, drive gear and driving rack, medical personnel can be very convenient take out the gas in the drainage bottle through rotating rotatory handle and make and form the negative pressure in the drainage bottle, and rack and pinion's transmission mode makes the removal of push rod at the uniform velocity gentle to make the speed of whole mechanism extraction negative pressure even.
Description
Technical Field
The disclosure belongs to the field of negative pressure suction devices, and particularly relates to a medical negative pressure suction device.
Background
Clinically, often use negative pressure drainage bottle to carry out the drainage, sometimes negative pressure has disappeared in the drainage bottle, needs medical personnel to use the negative pressure aspirator to come out with the interior air suction of drainage bottle for form the negative pressure state in the drainage bottle.
SUMMERY OF THE UTILITY MODEL
To the not enough of prior art, this disclosed aim at provides a medical vacuum aspiration ware of taking out, can come out with the gas suction in the negative pressure drainage bottle, make and form the negative pressure in the drainage bottle.
The purpose of the disclosure can be realized by the following technical scheme:
a medical negative pressure suction device comprises a cylinder, a needle head, a push rod, a piston and a handle, wherein the piston is arranged in the cylinder, the needle head is arranged at one end of the cylinder, the push rod is arranged on the piston, one end of the push rod extends out of the cylinder, the push rod and the needle head are respectively positioned at two sides of the piston, and the handle is arranged at one end of the push rod extending out of the cylinder.
The push rod is provided with a transmission rack, one side of the barrel body, far away from the needle head, is provided with a through hole, a rotating shaft is installed in the through hole, two ends of the rotating shaft extend out of the barrel body, a transmission gear is fixedly installed on the rotating shaft, and the transmission gear is meshed with the transmission rack.
Further, a rotating handle is mounted at one end of the rotating shaft.
Further, a first limiting block is installed on one side, close to the rotating handle, of the rotating shaft, and when the transmission gear is completely meshed with the transmission rack, the first limiting block is attached to the outer wall of the barrel.
Further, a second limiting block is installed on one side, far away from the rotating handle, of the rotating shaft, and when the transmission gear is completely separated from the transmission rack, the second limiting block is attached to the outer wall of the barrel.
Further, a first vent valve is arranged on the needle head.
Furthermore, an air outlet pipe is arranged on the needle head and is positioned between the first vent valve and the barrel body, and a second vent valve is arranged on the air outlet pipe.
The beneficial effect of this disclosure:
this is disclosed through setting up rotation axis, drive gear and driving rack, medical personnel can be very convenient take out the gas in the drainage bottle through rotating rotatory handle and make and form the negative pressure in the drainage bottle, and rack and pinion's transmission mode makes the removal of push rod at the uniform velocity gentle to make the speed of whole mechanism extraction negative pressure even.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic overall structure diagram of an embodiment of the present disclosure;
fig. 2 is a schematic cross-sectional view of an embodiment of the disclosure.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
As shown in fig. 1 and 2, a medical negative pressure suction apparatus comprises a barrel 1, a needle 2, a push rod 3, a piston 4 and a handle 31, wherein the piston 4 is installed in the barrel 1, the outer ring of the piston 4 is tightly attached to the inner wall of the barrel 1, the needle 2 is installed at one end of the barrel 1, the push rod 3 is installed on the piston 4, one end of the push rod 3 extends out of the barrel 1, the push rod 3 and the needle 2 are respectively located at two sides of the piston 4, the handle 31 is installed at one end of the push rod 3 extending out of the barrel 1, and the handle 31 is convenient for medical staff to extract or push the push rod 3;
when the push rod 3 is moved, the push rod 3 drives the piston 4 to move, so that air can be pumped or discharged from the cylinder 1.
When the medical staff pulls the push rod 3 to extract the negative pressure, the force for pulling the push rod 3 needs to be increased along with the increase of the volume of the extracted air, and the medical staff is likely to cause that the negative pressure extraction does not meet the satisfactory requirement because of the over-violent force or the insufficient force, so that a controllable force application mechanism needs to be provided for the medical staff.
The push rod 3 is provided with a transmission rack 32, and the transmission rack 32 is parallel to the axis of the cylinder 1;
a through hole is formed in one side, far away from the needle head 2, of the barrel body 1, a rotating shaft 5 is installed in the through hole, two ends of the rotating shaft 5 extend out of the barrel body 1, a transmission gear 51 is fixedly installed on the rotating shaft 5, and the transmission gear 51 is meshed with the transmission rack 32;
when the rotating shaft 5 is rotated, the rotating shaft 5 drives the transmission gear 51 to rotate, so that the transmission rack 32 meshed with the transmission gear 51 moves, and the push rod 3 moves along the axis of the cylinder 1, so that the piston 4 moves in the cylinder 1, and the cylinder 1 can suck or discharge gas through the needle 2;
one end of the rotating shaft 5 is provided with a rotating handle 52, which is convenient for the medical staff to rotate the rotating shaft 5;
put through syringe needle 2 and drainage bottle, medical personnel can be very convenient take out the gas in the drainage bottle through rotating rotatory handle 52 and form the negative pressure in the drainage bottle, make push rod 3's removal at the uniform velocity gentle through rack and pinion's transmission mode to make the speed of whole mechanism extraction negative pressure even, moreover, the mode of rotating rotatory handle 52 makes medical personnel's application of force mode gentler, the extraction negative pressure of relaxing more.
The rotating shaft 5 can move along the axial direction of the through hole, when gas needs to be sucked, the rotating shaft 5 is pushed, so that the transmission gear 51 is meshed with the transmission rack 32, when gas needs to be discharged, the rotating shaft 5 can be moved, so that the transmission gear 51 is separated from the transmission rack 32, medical personnel can directly push the handle 31 to move the piston 4 to discharge the gas in the cylinder body 1, and the working efficiency is improved;
a first limit block 53 is arranged on one side of the rotating shaft 5 close to the rotating handle 52, when the transmission gear 51 is completely meshed with the transmission rack 32, the first limit block 53 is attached to the outer wall of the barrel body 1, the first limit block 53 is convenient for medical staff to move the rotating shaft 5, and the meshing state of the transmission gear 51 and the transmission rack 32 does not need to be repeatedly confirmed;
The needle head 2 is provided with a first vent valve 21, when the air extraction is finished, the medical staff can close the first vent valve 21 to prevent the piston 4 and the push rod 3 from retracting under force to influence the negative pressure state in the drainage bottle;
sometimes, the gas needs to be extracted for many times, so that medical staff need to extract the gas, separate the needle head 2 from the drainage bottle, exhaust the gas in the barrel body 1 and extract the gas, and repeated operation for many times is very inconvenient, and the working efficiency is influenced;
the needle head 2 is provided with an air outlet pipe 22, the air outlet pipe 22 is positioned between the first vent valve 21 and the barrel body 1, and the air outlet pipe 22 is provided with a second vent valve 23;
medical personnel are connected the back with syringe needle 2 and drainage bottle, open first breather valve 21, close second breather valve 23, it is gaseous to rotate rotatory handle 52 extraction, after the extraction gas finishes, close first breather valve 21, open second breather valve 23, it makes drive gear 51 break away from with driving rack 32 to remove rotation axis 5, promote handle 31 and discharge the gaseous outlet duct 22 of following in the barrel 1, then can carry out repetitive operation, need not to extract syringe needle 2 alright extract gas many times, the medical personnel operation of being convenient for, and the labor intensity is reduced, and the work efficiency is improved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the disclosure. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing illustrates and describes the general principles, principal features, and advantages of the present disclosure. It will be understood by those skilled in the art that the present disclosure is not limited to the embodiments described above, which are presented solely for purposes of illustrating the principles of the disclosure, and that various changes and modifications may be made to the disclosure without departing from the spirit and scope of the disclosure, which is intended to be covered by the claims.
Claims (6)
1. A medical negative pressure suction apparatus comprises a cylinder (1), a needle (2), a push rod (3), a piston (4) and a handle (31), and is characterized in that the piston (4) is installed in the cylinder (1), the needle (2) is installed at one end of the cylinder (1), the push rod (3) is installed on the piston (4), one end of the push rod (3) extends out of the cylinder (1), the push rod (3) and the needle (2) are respectively positioned at two sides of the piston (4), and the handle (31) is installed at one end of the push rod (3) extending out of the cylinder (1);
the novel syringe is characterized in that a transmission rack (32) is arranged on the push rod (3), a through hole is formed in one side, away from the needle head (2), of the barrel body (1), a rotating shaft (5) is installed in the through hole, two ends of the rotating shaft (5) extend out of the barrel body (1), a transmission gear (51) is fixedly installed on the rotating shaft (5), and the transmission gear (51) is meshed with the transmission rack (32).
2. The medical vacuum extractor as claimed in claim 1, wherein a rotary handle (52) is mounted at one end of the rotary shaft (5).
3. The medical vacuum extractor as claimed in claim 1, wherein a first stopper (53) is installed on one side of the rotating shaft (5) close to the rotating handle (52), and when the transmission gear (51) is completely engaged with the transmission rack (32), the first stopper (53) is attached to the outer wall of the barrel (1).
4. The medical vacuum extractor as claimed in claim 1, wherein a second stopper (54) is installed on the side of the rotating shaft (5) far away from the rotating handle (52), and when the transmission gear (51) is completely separated from the transmission rack (32), the second stopper (54) is attached to the outer wall of the barrel (1).
5. The medical vacuum extractor as claimed in claim 1, wherein the needle (2) is provided with a first vent valve (21).
6. The medical negative pressure suction apparatus as claimed in claim 5, wherein the needle (2) is provided with an air outlet pipe (22), the air outlet pipe (22) is positioned between the first vent valve (21) and the barrel body (1), and the air outlet pipe (22) is provided with a second vent valve (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022175366.6U CN213589279U (en) | 2020-09-28 | 2020-09-28 | Medical negative pressure suction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022175366.6U CN213589279U (en) | 2020-09-28 | 2020-09-28 | Medical negative pressure suction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213589279U true CN213589279U (en) | 2021-07-02 |
Family
ID=76589133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022175366.6U Expired - Fee Related CN213589279U (en) | 2020-09-28 | 2020-09-28 | Medical negative pressure suction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213589279U (en) |
-
2020
- 2020-09-28 CN CN202022175366.6U patent/CN213589279U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210702 |