CN209107412U - A kind of external fixing device of amniocentesis needle auto-pumping - Google Patents
A kind of external fixing device of amniocentesis needle auto-pumping Download PDFInfo
- Publication number
- CN209107412U CN209107412U CN201820390681.0U CN201820390681U CN209107412U CN 209107412 U CN209107412 U CN 209107412U CN 201820390681 U CN201820390681 U CN 201820390681U CN 209107412 U CN209107412 U CN 209107412U
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- China
- Prior art keywords
- clamping
- clamping part
- stationary body
- fixing device
- external fixing
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- 238000002669 amniocentesis Methods 0.000 title claims abstract description 12
- 238000005086 pumping Methods 0.000 title claims abstract description 11
- 230000001737 promoting effect Effects 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 4
- 210000004381 amniotic fluid Anatomy 0.000 description 10
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003793 prenatal diagnosis Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 210000001691 amnion Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035935 pregnancy Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a kind of external fixing device of amniocentesis needle auto-pumping, including stationary body, the first clamping part is provided on the stationary body, aspirate driving device and support rod, first clamping part is located at external needle portion for clamping puncture needle, the suction driving device is mounted on stationary body, the propulsion path at its propulsion end is parallel to the active path of syringe piston rod on the puncture needle, the propulsion end is equipped with the second clamping part for clamp piston bar operating side, second clamping part and the first retaining part are in the same side of stationary body, but the same side of stationary body it is not located at the support rod, described support rod one end is mounted on stationary body, the other end extends to the outside of the stationary body.The utility model is capable of fixing puncture needle and is located at external part, and can auxiliary syringe carry out auto-pumping, avoid healthcare givers from manually aspirating, improve the working efficiency of healthcare givers.
Description
Technical field
The utility model relates to medical instrument technical field of auxiliary equipment, in particular to a kind of amniocentesis needle auto-pumping
External fixing device.
Background technique
Amniocentesis inspection is a kind of method of pre-natal diagnosis, is generally adapted the pre-natal diagnosis of midtrimester of pregnancy, it is in B ultrasound
Under guiding, an elongated needle (i.e. puncture needle) is passed through and is extracted in belly, amnion cavity wall and the entrance amniotic fluid chamber of pregnant woman
The process of amniotic fluid.Puncture needle a part used in amniocentesis is entered in pregnant woman's body, and a part is external positioned at pregnant woman, and
Pregnant woman is equipped with syringe in vitro, to aspirate amniotic fluid by syringe, since puncture needle is more elongated, and the portion outside its body
Divide and is connected with syringe again, therefore, puncture needle is located at the external part of pregnant woman than heavier, and the part of puncture needle is easy to shake,
To carry out certain pain to suspender for pregnant woman, and puncture effect is affected to a certain extent.In addition, healthcare givers is carrying out amniotic fluid
Extract amniotic fluid when puncture by pull syringe, and extracting amniotic fluid volume every time is definite value, speed when suction, which has, centainly to be said
Study carefully, therefore, carries out the suction amniotic fluid of medical worker's long term repeatability of amniocentesis operation, it is tired that hand is easy acid, and is susceptible to suffer from
There is the disease in terms of hand.
Utility model content
In view of the foregoing, it is necessary to provide a kind of external fixing device of amniocentesis needle auto-pumping, this is external solid
Determine device and be capable of fixing puncture needle to be located at external part, and can auxiliary syringe carry out auto-pumping, avoid medical people
Member manually aspirates, and improves the working efficiency of healthcare givers, reduces the possibility that healthcare givers suffers from hand aspect disease.
In order to achieve the above objectives, the technical scheme adopted by the utility model is a kind of amniocentesis needle auto-pumping
External fixing device, including stationary body are provided with the first clamping part, suction driving device and support on the stationary body
Bar, first clamping part are located at external needle portion for clamping puncture needle, and the suction driving device is mounted on fixation
In main body, the propulsion path at end is promoted to be parallel to the active path of syringe piston rod on the puncture needle, the propulsion end
The second clamping part for clamp piston bar operating side is installed, second clamping part and the first retaining part are in stationary body
The same side, but be not located at the support rod the same side of stationary body, described support rod one end is mounted on stationary body,
The other end extends to the outside of the stationary body.
Further, two first clamping parts, two first clamping parts and second are provided on the stationary body
Clamping part is in the same plane；Two first clamping parts are arranged by connecting rod interval, and the connecting rod is stretching structure,
Its telescopic direction is parallel to the propulsion path for promoting end.
Further, first clamping part is clip structure.
Further, the suction driving device be one of stepper motor, telescoping cylinder, screw rod-electric machine assembly,
In, the screw rod-electric machine assembly includes rotary electric machine, screw rod and link block, and the rotary electric machine is mounted on stationary body,
Export one end of screw rod described in axis connection, the other end of the screw rod is along the length direction of syringe tube body to rod operable
It holds direction to extend, and is threaded with the link block, the link block connects second clamping part.
Further, second clamping part includes two clamping pieces, sliding connector and threaded connector；Between two clamping pieces
Every being mounted on sliding connector, and it is slidably connected with the sliding connector, the sliding connector and the propulsion for promoting end
Path orthogonal setting, two clamping pieces are also spaced and are mounted on the threaded connector, the threaded connector parallel sliding connection
Part setting, and it is connect propulsion end at least there is one in the sliding connector, and when threaded connector connection promotes
It is rotation connection with the propulsion end, rotation axis is perpendicular to the propulsion path for promoting end when end；The threaded connection
It is provided with two sections of opposite helicitic textures of threaded line on part, and is threadedly coupled two clamping pieces, two folders by two sections of helicitic textures
Gripping member moves toward one another under the action of the threaded connector along sliding connector with clamp piston bar operating side or opposite
From movement to unclamp rod operable end.
Further, the distance between one end that two helicitic texture threaded lines are located remotely from each other on the threaded connector is greater than
The diameter of syringe tube body.
Further, the rotating middle part connection of the threaded connector promotes end, and two helicitic textures set up separately in the propulsion
The opposite sides at end.
Further, the support rod is stretching structure, and telescopic direction is the length direction of the support rod；The branch
Strut is provided with third clamping part far from one end of stationary body, and is removably clamped and connected on bed by the third clamping part
Fixed frame, the bed upper holder are erected on operating bed.
Further, the third clamping part is clip structure.
Compared with prior art, the utility model has the following beneficial effects:
1, external fixing device designed by the utility model is capable of fixing puncture needle and is located at the external part of pregnant woman, avoids
Puncture needle is located at external part and shakes, and keenly feels to reduce puncture needle to pregnant woman's bring, while improving the work of healthcare givers
Make efficiency；Furthermore the external fixing device can also auxiliary syringe carry out auto-pumping, avoid healthcare givers manually
Suction so that reducing healthcare givers suffers from the possibility of hand aspect disease, and further improves the working efficiency of healthcare givers.
2, the utility model structure is simple, easy to operate, and can medical assistance personnel carry out amniotic fluid suction, improve doctor
The working efficiency for the treatment of personnel, practicability are preferable.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the external fixing device of amniocentesis needle auto-pumping of the utility model.
Fig. 2 is the structural schematic diagram of the second clamping part in Fig. 1.
Main element symbol description
In figure: stationary body 1, the first clamping part 2, connecting rod 21, suction driving device 3, rotary electric machine 31, screw rod 32,
Link block 33, the second clamping part 4, clamping piece 41, sliding connector 42, threaded connector 43, support rod 5, third clamping part 51,
Bed upper holder 6, puncture needle 7, syringe 8, piston rod 9.
The following detailed description will be further explained with reference to the above drawings the utility model.
Specific embodiment
Fig. 1 and Fig. 2 are please referred to, in a kind of better embodiment of the utility model, a kind of amniocentesis needle is taken out automatically
The external fixing device of suction, including stationary body 1 are provided with the first clamping part 2, suction driving device 3 on the stationary body 1
With support rod 5, first clamping part 2 is located at external needle portion, the suction driving device 3 for clamping puncture needle 7
It is mounted on stationary body 1, the propulsion path at end is promoted to be parallel to the active ways of 8 piston rod 9 of syringe on the puncture needle 7
Diameter, the propulsion end are equipped with the second clamping part 4 for 9 operating side of clamp piston bar, second clamping part 4 and the first folder
The same side that portion 2 is located at stationary body 1 is held, but is not located at the same side of stationary body 1, the support rod 5 with the support rod 5
One end is mounted on stationary body 1, and the other end extends to the outside of the stationary body 1.
The utility model is located at the external part of pregnant woman to fix puncture needle 7 by designing the external fixing device to keep away
Exempt from puncture needle 7 to shake, while healthcare givers can also be helped to aspirate amniotic fluid.
Wherein, the first designed clamping part 2 is located at the external part of pregnant woman for clamping puncture needle 7, is clip knot
Structure.Preferably, in order to enable the first clamping part 2 can change as puncture needle 7 is located at the variation of the external length of pregnant woman, thus
The first clamping part 2 to be located at the external part of pregnant woman to puncture needle 7 adequately to be clamped, the utility model is described
Two first clamping parts 2 are provided on stationary body 1, two first clamping parts 2 are generally aligned in the same plane with the second clamping part 4
On, for two first clamping parts 2 by the setting of the interval of connecting rod 21, the connecting rod 21 is stretching structure, and telescopic direction is flat
Row is in the propulsion path for promoting end, that is, the first clamping part 2 described in the telescopic action adjustment amount by the connecting rod 21
Spacing realizes first so that the spacing of two first clamping parts 2 adapts to the length that puncture needle 7 is located at pregnant woman's outer body
The sufficiently clamping puncture needle 7 of clamping part 2, and then avoid the possibility for because clamping is insufficient puncture needle 7 being shaken.
Further, suction driving device 3 set by the utility model is for driving 9 opposing syringe 8 of piston rod to manage
Body sliding, to realize the purpose of amniotic fluid suction.In the present invention, the suction driving device 3 is stepper motor, stretches
One of cylinder, screw rod 32- electric machine assembly, wherein the screw rod 32- electric machine assembly includes rotary electric machine 31, screw rod 32 and connects
Block 33 is connect, the rotary electric machine 31 is mounted on stationary body 1, exports one end of screw rod 32 described in axis connection, the screw rod
32 other end extends along the length direction of 8 tube body of syringe to 9 operating side direction of piston rod, and is threadedly coupled
Link block 33 is stated, the link block 33 connects second clamping part 4.
Second clamping part 4 includes two clamping pieces 41, sliding connector 42 and threaded connector 43；Between two clamping pieces 41
Every being mounted on sliding connector 42, and be slidably connected with the sliding connector 42, the sliding connector 42 with promote end
The setting of propulsion path orthogonal, two clamping pieces 41 are also spaced and are mounted on the threaded connector 43, the threaded connector 43
Parallel sliding connector 42 is arranged, and connect propulsion end at least there is one in the sliding connector 42, and works as the spiral shell
It is rotation connection with the propulsion end when connection of line connector 43 promotes end, rotation axis promotes pushing away for end perpendicular to described
Inbound path；It is provided with two sections of opposite helicitic textures of threaded line on the threaded connector 43, and passes through two sections of helicitic textures
Two clamping pieces 41 are threadedly coupled, two clamping pieces 41 are transported under the action of threaded connector 43 along sliding connector 42 in opposite directions
It moves with 9 operating side of clamp piston bar or is away from each other movement to unclamp 9 operating side of piston rod.Preferably, the threaded connector
43 rotating middle part connection promotes end, and two helicitic textures set up separately in the opposite sides for promoting end；The threaded connector 43
The distance between one end that upper two helicitic textures threaded line is located remotely from each other is greater than the diameter of 8 tube body of syringe, so that second
Two clamping pieces 41 of clamping part 4 can be located at 8 two sides of syringe in the external fixing device initial activation phase, in order to institute
The first clamping part 2 clamping puncture needle 7 is stated, while mutually non-interference between second clamping part 4 and syringe 8, simplifies doctor
The operation for the treatment of personnel, otherwise, healthcare givers need while operating the first clamping part 2 and the second clamping part 4.
Further, the support rod 5 of the utility model be used to support on stationary body 1 and stationary body 1 except support rod 5 with
Outer other structures enable the external fixing device to obtain external force support, wherein the support rod 5 is described external
Fixed device in such a way that healthcare givers's hand is held in use, can make the fulcrum of the external fixing device be located at human body
On, furthermore it is also possible to which the fulcrum of the external fixing device entirety is made to be located at operation by way of adding a upper holder 6
On bed, specific structure is as follows: the support rod 5 is stretching structure, and telescopic direction is the length direction of the support rod 5, institute
It states support rod 5 and one end of stationary body 1 is provided with third clamping part 51, and removably pressed from both sides by the third clamping part 51
Hold connection bed upper holder 6, the bed upper holder 6 is erected on operating bed, wherein the telescopic setting of support rod 5 so that
The length of support rod 5 can adapt to different puncture positions, and can connect with bed upper holder 6, and third clamping part 51
Setting then adjust the fulcrum of the external fixing device according to their needs convenient for healthcare givers.Preferably, solid on the bed
Determine frame 6 to contact one end of operating bed to be clamp structure, to clamp the bedside of operating bed, to reach fixed function；The third
Clamping part 51 is clip structure.
In the present invention, the stationary body 1 is matrix, for connecting other moulds of the external fixing device
Block, so that other modules become one.
Above description is the detailed description for the preferable possible embodiments of the utility model, but embodiment is not limited to
The patent claim of the utility model, the same changes or modifications completed under technical spirit suggested by all the utility model
Change, should belong to the covered the scope of the patents of the utility model.
Claims (9)
1. a kind of external fixing device of amniocentesis needle auto-pumping, including stationary body, it is characterised in that: described fixed main
The first clamping part, suction driving device and support rod are provided on body, first clamping part is located at body for clamping puncture needle
Outer needle portion, the suction driving device are mounted on stationary body, and the propulsion path at end is promoted to be parallel to described wear
The active path of syringe piston rod on pricker, it is described to promote end that the second clamping for clamp piston bar operating side is installed
Portion, second clamping part and the first retaining part are not located at fixed master in the same side of stationary body, but with the support rod
The same side of body, described support rod one end are mounted on stationary body, and the other end extends to the outside of the stationary body.
2. external fixing device as described in claim 1, it is characterised in that: be provided with two described first on the stationary body
Clamping part, two first clamping parts and the second clamping part are in the same plane；Two first clamping parts pass through connecting rod
Interval setting, the connecting rod are stretching structure, and telescopic direction is parallel to the propulsion path for promoting end.
3. external fixing device as described in claim 1, it is characterised in that: first clamping part is clip structure.
4. external fixing device as described in claim 1, it is characterised in that: the suction driving device is stepper motor, stretches
One of contracting cylinder, screw rod-electric machine assembly, wherein the screw rod-electric machine assembly includes rotary electric machine, screw rod and link block, institute
It states rotary electric machine to be mounted on stationary body, exports one end of screw rod described in axis connection, the other end edge of the screw rod is shown loving care for
The length direction of emitter tube body extends to rod operable end direction, and is threaded with the link block, the connection
Block connects second clamping part.
5. external fixing device as described in claim 1, it is characterised in that: second clamping part includes two clamping pieces, cunning
Follower link and threaded connector；Two clamping piece intervals are mounted on sliding connector, and are slided and connected with the sliding connector
It connects, the sliding connector and the propulsion path orthogonal setting for promoting end, two clamping pieces are also spaced and are mounted on the threaded connection
On part, the threaded connector parallel sliding connector setting, and pushed away at least being connect in the presence of one in the sliding connector
Inlet side, and when the threaded connector connects and promotes end, it is rotation connection with the propulsion end, rotation axis is perpendicular to institute
State the propulsion path for promoting end；Be provided with two sections of opposite helicitic textures of threaded line on the threaded connector, and by this two
Section helicitic texture is threadedly coupled two clamping pieces, and two clamping pieces are opposite along sliding connector under the action of the threaded connector
Movement is with clamp piston bar operating side or is away from each other movement to unclamp rod operable end.
6. external fixing device as claimed in claim 5, it is characterised in that: two helicitic texture screw thread on the threaded connector
The distance between one end that line is located remotely from each other is greater than the diameter of syringe tube body.
7. external fixing device as claimed in claim 5, it is characterised in that: the rotating middle part connection of the threaded connector pushes away
Inlet side, two helicitic textures set up separately in the opposite sides for promoting end.
8. external fixing device as described in claim 1, it is characterised in that: the support rod is stretching structure, side of stretching
To the length direction for the support rod；The support rod is provided with third clamping part far from one end of stationary body, and passes through
The third clamping part is removably clamped and connected a upper holder, and the bed upper holder is erected on operating bed.
9. external fixing device as claimed in claim 8, it is characterised in that: the third clamping part is clip structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820390681.0U CN209107412U (en) | 2018-03-21 | 2018-03-21 | A kind of external fixing device of amniocentesis needle auto-pumping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820390681.0U CN209107412U (en) | 2018-03-21 | 2018-03-21 | A kind of external fixing device of amniocentesis needle auto-pumping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209107412U true CN209107412U (en) | 2019-07-16 |
Family
ID=67194967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820390681.0U Expired - Fee Related CN209107412U (en) | 2018-03-21 | 2018-03-21 | A kind of external fixing device of amniocentesis needle auto-pumping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209107412U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113144343A (en) * | 2021-02-04 | 2021-07-23 | 昀厨智能制造工程(烟台)有限公司 | Automatic injection system |
-
2018
- 2018-03-21 CN CN201820390681.0U patent/CN209107412U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113144343A (en) * | 2021-02-04 | 2021-07-23 | 昀厨智能制造工程(烟台)有限公司 | Automatic injection system |
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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: 20190716 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |