CN215938460U - Automatic negative pressure aspirator for amniotic fluid or cord blood - Google Patents
Automatic negative pressure aspirator for amniotic fluid or cord blood Download PDFInfo
- Publication number
- CN215938460U CN215938460U CN202120653644.6U CN202120653644U CN215938460U CN 215938460 U CN215938460 U CN 215938460U CN 202120653644 U CN202120653644 U CN 202120653644U CN 215938460 U CN215938460 U CN 215938460U
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- Prior art keywords
- groove
- movable block
- negative pressure
- amniotic fluid
- fixedly connected
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- 210000004381 amniotic fluid Anatomy 0.000 title claims abstract description 29
- 210000004700 fetal blood Anatomy 0.000 title description 18
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 210000004369 blood Anatomy 0.000 claims abstract description 11
- 239000008280 blood Substances 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 15
- 239000011550 stock solution Substances 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 4
- 238000005086 pumping Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model discloses an automatic negative pressure aspirator for amniotic fluid or umbilical blood, which relates to the field of medical equipment and comprises a liquid storage bag, wherein a lower connector is arranged in the middle of the bottom end of the liquid storage bag, a first through groove is formed in the middle of the top end of the lower connector, the first through groove is communicated with the liquid storage bag, and a first movable block is arranged inside the first through groove. According to the utility model, the first movable block is arranged in the lower connector, the thread sleeve is connected to the outer side of the lower connector in a threaded manner, the movable rod positioned in the annular groove is driven to vertically move through the rotation of the thread sleeve, so that the first movable block is driven to move in the first through groove, the bottom end of the first movable block is separated from the baffle, and thus the plurality of through holes are opened, amniotic fluid or umbilical blood is pumped out through the matching of the negative pressure in the liquid storage bag, the catheter and the needle head, the medical staff does not need to manually pump, the pumping stability of the device is improved, the pain of patients is reduced, and the practicability of the device is improved.
Description
Technical Field
The utility model relates to the field of medical equipment, in particular to an automatic negative pressure aspirator for amniotic fluid or cord blood.
Background
With the continuous development of science and technology, medical treatment is developing more and more rapidly, the research and development of more and more medical equipment relieve the pain of patients, when amniotic fluid or cord blood is sucked, medical staff is required to manually pull out an inner core of a syringe so as to suck out the amniotic fluid or the cord blood, but the needle head is easy to displace and puncture fails, so that the pain of the patients is increased, and therefore, the amniotic fluid or the cord blood automatic negative pressure suction device is needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an automatic negative pressure aspirator for amniotic fluid or cord blood, which solves the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: automatic negative pressure aspirator of amniotic fluid or umbilical blood, including the liquid reserve bag, the bottom middle part of liquid reserve bag is provided with down the connector, first logical groove has been seted up at the top middle part of connector down, first logical groove is linked together with the liquid reserve bag, the inside that first logical groove was provided with first movable block, the equal fixedly connected with movable rod in both sides of first movable block, the spout with movable rod looks adaptation is all seted up to the both sides outer wall of connector down, the outside of connector is provided with the external screw thread down, the outside cover of connector is equipped with the thread bush down, the ring channel has been seted up to the inside wall of thread bush, the one end of movable rod runs through the spout and extends to inside the ring channel, the inside wall bottom fixedly connected with baffle of first logical groove, a plurality of through-holes that are the annular array and distribute are seted up to the upper surface of baffle.
Preferably, the bottom surface of the first movable block is fixedly connected with a first sealing ring, the inner side wall of the first through groove is fixedly connected with a second sealing ring, and the inner side wall of the second sealing ring is attached to the outer side surface of the first movable block.
Preferably, the upper surface middle part of first movable block has seted up the drain passageway, the top middle part of stock solution bag is provided with the connector, go up the top middle part of connector and seted up the second and led to the groove.
Preferably, a second movable block is arranged in the second through groove, and a fixed plate is fixedly connected to the top end of the second movable block.
Preferably, a second annular groove is formed in the inner side wall of the second through groove, the fixing plate is located inside the second annular groove, and the edges of the two sides of the lower surface of the fixing plate are movably connected with the groove bottom of the second annular groove through springs.
Preferably, a plurality of air exhaust holes distributed in an annular array are formed in the outer side surface of the bottom end of the second movable block, an air outlet channel is formed in the middle of the top end of the fixed plate and is communicated with the air outlet channel, a third sealing ring is fixedly connected to the bottom end of the inner side wall of the second through groove, and the inner side surface of the third sealing ring is attached to the outer side surface of the second movable block.
Preferably, the bottom end of the lower connector is fixedly connected with a guide pipe, and one end of the guide pipe, far away from the lower connector, is fixedly connected with a needle.
The utility model has the technical effects and advantages that:
1. according to the utility model, the lower connector is internally provided with the first movable block, the outer side of the lower connector is in threaded connection with the threaded sleeve, the movable rod positioned in the annular groove is driven to vertically move through the rotation of the threaded sleeve, so that the first movable block is driven to move in the first through groove, the bottom end of the first movable block is separated from the baffle, and thus a plurality of through holes are opened, amniotic fluid or umbilical blood is pumped out through the matching of negative pressure in the liquid storage bag, the catheter and the needle head, the medical staff is not required to manually pump, the pumping stability of the device is improved, the pain of a patient is reduced, and the practicability of the device is improved;
2. according to the utility model, the upper connector is arranged at the top end of the liquid storage bag, the second movable block is arranged inside the upper connector, the suction head of the external negative pressure suction device is inserted into the second through groove, so that the fixed plate is extruded, the fixed plate drives the second movable block to move, and the air suction hole formed in the outer side of the bottom end of the second movable block is communicated with the inside of the liquid storage bag, so that medical staff can suck the inside of the liquid storage bag into a negative pressure state, when the suction head leaves the second through groove, the second movable block automatically resets under the action of the spring, the liquid storage bag is sealed again, and the use of the medical staff is facilitated.
Drawings
FIG. 1 is a schematic side sectional view of the overall structure of the present invention.
Fig. 2 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention.
Fig. 3 is an enlarged view of the structure at B in fig. 1 according to the present invention.
Fig. 4 is a perspective view of a first movable block structure according to the present invention.
In the figure: 1. a liquid storage bag; 2. a lower connector; 3. a first through groove; 4. a first movable block; 5. a movable rod; 6. a chute; 7. a threaded sleeve; 8. an annular groove; 9. a baffle plate; 10. a through hole; 11. a first seal ring; 12. a second seal ring; 13. a drainage channel; 14. an upper connector; 15. a second through groove; 16. a second movable block; 17. a fixing plate; 18. a second annular groove; 19. an air exhaust hole; 20. an air outlet channel; 21. A third seal ring; 22. a conduit; 23. a needle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.
The utility model provides an automatic amniotic fluid or cord blood negative pressure aspirator shown in figures 1-4, which comprises a liquid storage bag 1, wherein the bottom end of a lower connector 2 is fixedly connected with a conduit 22, the amniotic fluid or cord blood is introduced into the liquid storage bag 1 through the conduit 22, one end of the conduit 22, which is far away from the lower connector 2, is fixedly connected with a needle 23, and the needle 23 is punctured into the position of the amniotic fluid or cord blood in a patient body, so that the amniotic fluid or cord blood can be conveniently aspirated out.
As shown in fig. 2 and 4, a lower connector 2 is arranged in the middle of the bottom end of a liquid storage bag 1, a first through groove 3 is formed in the middle of the top end of the lower connector 2, the first through groove 3 is communicated with the liquid storage bag 1, a first movable block 4 is arranged inside the first through groove 3, movable rods 5 are fixedly connected to both sides of the first movable block 4, sliding grooves 6 matched with the movable rods 5 are formed in the outer walls of both sides of the lower connector 2, external threads are formed in the outer side of the lower connector 2, a threaded sleeve 7 is sleeved on the outer side of the lower connector 2, an annular groove 8 is formed in the inner side wall of the threaded sleeve 7, one end of each movable rod 5 penetrates through the corresponding sliding groove 6 and extends into the annular groove 8, the movable rod 5 is driven to vertically move on the lower connector 2 through the rotation of the threaded sleeve 7, the first movable block 4 is separated from a baffle 9, so that the through hole 10 is opened, and the liquid storage bag 1 is communicated with a guide pipe 22, the amniotic fluid or the cord blood in the body of a patient is sucked by the negative pressure in the liquid storage bag 1, the bottom end of the inner side wall of the first through groove 3 is fixedly connected with a baffle plate 9, the upper surface of the baffle plate 9 is provided with a plurality of through holes 10 distributed in an annular array, the amniotic fluid or the cord blood enters the first through groove 3 through the plurality of through holes 10, through the suction of the switching control amniotic fluid or the umbilical cord blood of control through-hole 10, the bottom fixed surface of first movable block 4 is connected with first sealing washer 11, guarantee that first movable block 4 is located the inside gas tightness of stock solution bag 1 when baffle 9 separates, the first inside wall fixedly connected with second sealing washer 12 that leads to groove 3, the inside wall of second sealing washer 12 and the laminating of the outside surface of first movable block 4, avoid amniotic fluid or umbilical cord blood to pass through spout 6 and ooze, the leakproofness of this device has been improved, drain passageway 13 has been seted up at the upper surface middle part of first movable block 4, amniotic fluid or i umbilical cord blood pass through-hole 10 and drain passageway 13 and enter into stock solution bag 1 inside.
As shown in fig. 3, an upper connector 14 is disposed at the middle of the top end of the liquid storage bag 1, a second through groove 15 is disposed at the middle of the top end of the upper connector 14, a suction head of an external negative pressure suction device is inserted into the second through groove 15 to extract the gas inside the liquid storage bag 1, a second movable block 16 is disposed inside the second through groove 15, a fixed plate 17 is fixedly connected to the top end of the second movable block 16, a second annular groove 18 is disposed on the inner side wall of the second through groove 15, the fixed plate 17 is located inside the second annular groove 18, both side edges of the lower surface of the fixed plate 17 are movably connected to the groove bottom of the second annular groove 18 through a spring, the moved fixed plate 17 is reset through the reactive force of the spring, and then the second movable block 16 is driven to reset, the opened pumping holes 19 are re-closed to prevent the gas from entering the liquid storage bag 1, a plurality of pumping holes 19 distributed in an annular array are disposed on the outer side surface of the bottom end of the second movable block 16, air outlet channel 20 has been seted up at the top middle part of fixed plate 17, a plurality of aspirating holes 19 are linked together with air outlet channel 20, outside negative pressure suction device takes out the inside gas of reservoir bag 1 through air outlet channel 20 and 19 cooperation of aspirating hole, thereby make the inside certain negative pressure that forms of reservoir bag 1, the inside wall bottom fixedly connected with third sealing washer 21 that the second led to groove 15, the inboard surface of third sealing washer 21 and the laminating of the outside surface of second movable block 16, avoid the inside amniotic fluid or the umbilical cord blood of collecting of reservoir bag 1 to ooze through the gap of second movable block 16 with second through groove 15, avoided outside gas to enter into reservoir bag 1 inside simultaneously, influence the normal work of this device.
The working principle of the utility model is as follows:
when the device is used, firstly, a suction head of an external negative pressure suction device is inserted into the second through groove 15, the suction head extrudes the fixed plate 17, the fixed plate 17 drives the second movable block 16 to move, so that the suction hole 19 formed in the outer side of the bottom end of the second movable block 16 is communicated with the interior of the liquid storage bag 1, medical staff can conveniently suck the interior of the liquid storage bag 1 into a negative pressure state, the suction head is pulled out after proper negative pressure is formed in the interior of the liquid storage bag 1, the second movable block 16 automatically resets under the action of the spring in the second annular groove 18, the liquid storage bag 1 is sealed again, then the needle head 23 is punctured into the body of a patient, the threaded sleeve 7 positioned on the outer side of the lower connector 2 is rotated, the movable rod 5 is driven to vertically move on the lower connector 2 when the threaded sleeve 7 rotates, and then the first movable block 4 is driven to move in the first through groove 3, so that the first movable block 4 is separated from the baffle 9, impel a plurality of through-holes 10 to be opened, the negative pressure through the inside formation of stock solution bag 1 takes the internal amniotic fluid of patient or cord blood out, and the medical staff of being convenient for uses, has avoided the misery that manual suction caused the patient simultaneously, has improved the practicality of this device.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (7)
1. Automatic negative pressure aspirator of amniotic fluid or umbilical blood, including stock solution bag (1), its characterized in that: the bottom middle part of the liquid storage bag (1) is provided with a lower connector (2), the top middle part of the lower connector (2) is provided with a first through groove (3), the first through groove (3) is communicated with the liquid storage bag (1), a first movable block (4) is arranged inside the first through groove (3), both sides of the first movable block (4) are fixedly connected with movable rods (5), the outer walls of both sides of the lower connector (2) are provided with chutes (6) matched with the movable rods (5), the outer side of the lower connector (2) is provided with external threads, the outer side of the lower connector (2) is sleeved with a thread sleeve (7), the inner side wall of the thread sleeve (7) is provided with a ring groove (8), one end of the movable rod (5) penetrates through the chutes (6) and extends into the ring groove (8), the bottom inner side wall of the first through groove (3) is fixedly connected with a baffle (9), the upper surface of the baffle (9) is provided with a plurality of through holes (10) distributed in an annular array.
2. The automatic negative pressure aspirator for amniotic fluid or umbilical blood according to claim 1, wherein: the bottom surface fixedly connected with first sealing washer (11) of first movable block (4), the inside wall fixedly connected with second sealing washer (12) of first logical groove (3), the inside wall of second sealing washer (12) and the laminating of the outside surface of first movable block (4).
3. The automatic negative pressure aspirator for amniotic fluid or umbilical blood according to claim 1, wherein: liquid guide channel (13) have been seted up at the upper surface middle part of first movable block (4), the top middle part of stock solution bag (1) is provided with connector (14), it leads to groove (15) to go up the second in the middle part of the top of connector (14).
4. The automatic negative pressure aspirator for amniotic fluid or umbilical blood according to claim 3, wherein: a second movable block (16) is arranged in the second through groove (15), and a fixed plate (17) is fixedly connected to the top end of the second movable block (16).
5. The automatic negative pressure aspirator for amniotic fluid or umbilical blood according to claim 4, wherein: second ring channel (18) have been seted up to the inside wall that the second led to groove (15), fixed plate (17) are located inside second ring channel (18), the bottom swing joint of lower surface both sides edge of fixed plate (17) all through spring and second ring channel (18).
6. The automatic negative pressure aspirator for amniotic fluid or umbilical blood according to claim 5, wherein: the bottom outside surface of second movable block (16) has been seted up a plurality ofly and has been annular array distribution aspirating hole (19), air outlet channel (20) have been seted up at the top middle part of fixed plate (17), and is a plurality of aspirating hole (19) are linked together with air outlet channel (20), the inside wall bottom fixedly connected with third sealing washer (21) that the second led to groove (15), the inboard surface of third sealing washer (21) and the outside surface laminating of second movable block (16).
7. The automatic negative pressure aspirator for amniotic fluid or umbilical blood according to claim 1, wherein: the bottom fixedly connected with pipe (22) of connector (2) down, one end fixedly connected with syringe needle (23) of connector (2) is kept away from down in pipe (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120653644.6U CN215938460U (en) | 2021-03-31 | 2021-03-31 | Automatic negative pressure aspirator for amniotic fluid or cord blood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120653644.6U CN215938460U (en) | 2021-03-31 | 2021-03-31 | Automatic negative pressure aspirator for amniotic fluid or cord blood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215938460U true CN215938460U (en) | 2022-03-04 |
Family
ID=80506065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120653644.6U Expired - Fee Related CN215938460U (en) | 2021-03-31 | 2021-03-31 | Automatic negative pressure aspirator for amniotic fluid or cord blood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215938460U (en) |
-
2021
- 2021-03-31 CN CN202120653644.6U patent/CN215938460U/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 |
Granted publication date: 20220304 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |