CN210785740U

CN210785740U - Micro negative pressure pump

Info

Publication number: CN210785740U
Application number: CN201921263570.4U
Authority: CN
Inventors: 陈志芳; 毛芸; 昌文珺; 奚娟; 庄超
Original assignee: Wuxi Peoples Hospital
Current assignee: Wuxi Peoples Hospital
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-06-19
Anticipated expiration: 2029-08-06

Abstract

The utility model discloses a trace negative pressure pump, including casing mechanism and power unit, casing mechanism's inside is equipped with power unit, casing mechanism comprises fixed shell, the interface that charges, control panel, display screen, alarm, extraction spout, injection spout, locating piece, spacing recess, fixed slide bar, holding plate, fixed spout, spacing slide, reset spring and cylinder fixed slot, the outside fixed mounting of fixed shell has control panel. Through having set up injection motor and extraction motor, make it can realize automatic at the uniform velocity injection at the during operation to under the effect of extraction motor, be convenient for drive empty syringe and carry out the negative pressure suction, saved time and energy that the nurse used, it is unbalanced with the suction strength to avoid the nurse to inject, and too big easy little thrombus injection circulation system of strength when preventing to inject avoids injecting the strength undersize and causes urokinase thrombolysis scope little, the unsatisfactory problem of effect.

Description

Micro negative pressure pump

The technical field is as follows:

the utility model belongs to the technical field of negative pressure pump, in particular to trace negative pressure pump.

Background art:

the clinical treatment method comprises the steps of dissolving the urokinase, slowly injecting the dissolved urokinase by using a syringe with the volume larger than 10ml at the bedside, sucking the dissolved urokinase by using an empty syringe under negative pressure for 10-20 minutes, and repeating the steps. Problem 1, time and effort for nurses are large; 2. the nurse has unbalanced injection and suction force, when the injection force is too large, the small thrombus is easily injected into the circulatory system, the force is too small, the urokinase thrombolysis range is small, and the effect is not ideal. The existing equipment can not meet the use of various blocking pipes.

The utility model has the following contents:

the utility model aims to provide a micro negative pressure pump for solving the problems, which solves the defects of the prior equipment.

In order to solve the problem, the utility model provides a micro negative pressure pump technical scheme:

the micro negative pressure pump comprises a shell mechanism and a power mechanism, wherein the power mechanism is arranged in the shell mechanism, the shell mechanism consists of a fixed shell, a charging interface, a control panel, a display screen, an alarm, an extraction chute, an injection chute, a positioning block, a limiting groove, a fixed slide bar, a fixed pressing plate, a fixed chute, a limiting slide plate, a reset spring and a needle cylinder fixing groove, the control panel is fixedly installed at the outer side of the fixed shell, the display screen is fixedly installed at the outer side of the fixed shell and at one side close to the control panel, the alarm is fixedly installed at the outer side of the fixed shell and at one side close to the display screen, the extraction chute and the injection chute are drilled at the top of the fixed shell, the positioning block is fixedly installed at one end of the extraction chute and one end of the injection chute, the needle cylinder fixing groove is drilled at one side of the positioning, the utility model discloses a fixed injection device, including locating piece, fixed sliding block, locating piece, power mechanism, fixed shell, fixed sliding block, power mechanism, one end fixedly mounted has injection motor, the inside one side of locating piece inside is dug there is fixed spout, the inside sliding connection of fixed spout has spacing slide, the fixed slide bar of top fixedly connected with of spacing slide, the outside of fixed slide bar and the top cover that is located spacing slide have reset spring, fixed slide bar is worn out from the top of locating piece, just fixed slide bar and locating piece sliding connection, the top fixedly connected with fixed clamp plate of fixed slide bar, power mechanism is by controller, scale mark, time-recorder, battery, lead screw, extraction slider, injection motor, promotion slider, scale pointer, No. two lead screws, extraction motor constitute, the one end fixedly mounted at the top of fixed shell inner, the inside sliding connection of injection spout has the promotion slider, a lead screw passes from the bottom that promotes the slider, just lead screw and promotion slider threaded connection, the one end fixed mounting that the top of set casing inner wall just is located the extraction spout has the extraction motor, the output end fixedly connected with lead screw No. two of extraction motor, the one end that the extraction motor was kept away from to No. two lead screws is connected with the inner wall rotation of set casing, the inside sliding connection of extraction spout has the extraction slider, No. two lead screws pass from the bottom of extraction slider, just No. two lead screws and extraction slider threaded connection.

Preferably, the bottom of the inner wall of the fixed shell is fixedly provided with a storage battery, the bottom of the inner wall of the fixed shell is fixedly provided with a controller, and the timer is fixedly arranged on the inner wall of the fixed shell and above the controller.

Preferably, the top of the positioning block is provided with a limiting groove with an arc structure.

Preferably, a charging interface is fixedly mounted on one side of the fixed shell and connected with the storage battery through a wire.

Preferably, the drawing sliding groove and the injection sliding groove are respectively provided with a scale mark, and one side of the drawing sliding block close to the scale mark are respectively fixedly connected with a scale pointer.

Preferably, travel switches are fixedly mounted on the inner wall of the fixed shell and positioned at two ends of the first screw rod and two ends of the second screw rod.

Preferably, the display screen, the control panel, the alarm, the timer, the injection motor and the extraction motor are electrically connected with the controller.

The utility model has the advantages that: make it can realize automatic at the uniform velocity injection at the during operation through having set up injection motor and extraction motor to under the effect of extraction motor, be convenient for drive empty syringe and carry out the negative pressure suction, saved time and energy that the nurse used. The imbalance of the injection and suction force of nurses is avoided, the situation that the thrombus is easily injected into a circulatory system due to overlarge injection force is avoided, and the problem that the effect of small urokinase thrombolysis range is not ideal due to the fact that the injection force is too small is avoided.

Description of the drawings:

for ease of illustration, the invention is described in detail by the following detailed description and accompanying drawings.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 according to the present invention;

fig. 4 is a cross-sectional view taken along the direction B-B of fig. 2 according to the present invention.

In the figure: 1. a housing mechanism; 2. a power mechanism; 3. fixing the housing; 4. a charging interface; 5. a control panel; 6. a display screen; 7. an alarm; 8. extracting the sliding chute; 9. an injection chute; 10. positioning blocks; 11. a limiting groove; 12. fixing the sliding rod; 13. fixing the pressing plate; 14. fixing the chute; 15. a limiting sliding plate; 16. a return spring; 17. a needle cylinder fixing groove; 18. a controller; 19. scale lines; 20. a timer; 21. a storage battery; 22. a first screw rod; 23. extracting the sliding block; 24. an extraction motor; 25. pushing the sliding block; 26. a scale pointer; 27. a second screw rod; 28. an injection motor.

The specific implementation mode is as follows:

as shown in fig. 1 to 4, the following technical solutions are adopted in the present embodiment: the micro negative pressure pump comprises a shell mechanism 1 and a power mechanism 2, wherein the power mechanism 2 is arranged inside the shell mechanism 1, the shell mechanism 1 consists of a fixed shell 3, a charging interface 4, a control panel 5, a display screen 6, an alarm 7, an extraction chute 8, an injection chute 9, a positioning block 10, a limiting groove 11, a fixed slide bar 12, a fixed pressing plate 13, a fixed chute 14, a limiting sliding plate 15, a reset spring 16 and a needle cylinder fixing groove 17, the control panel 5 is fixedly installed on the outer side of the fixed shell 3, the display screen 6 is fixedly installed on the outer side of the fixed shell 3 and on one side close to the control panel 5, the alarm 7 is fixedly installed on the outer side of the fixed shell 3 and on one side close to the display screen 6, the extraction chute 8 and the injection chute 9 are dug at the top of the fixed shell 3, the positioning block 10 is fixedly installed on one end of the fixed shell 3 and, a needle cylinder fixing groove 17 is drilled on one side of the positioning block 10 close to the extraction sliding groove 8, a fixing sliding groove 14 is drilled on one side inside the positioning block 10, a limiting sliding plate 15 is connected inside the fixing sliding groove 14 in a sliding manner, a fixing sliding rod 12 is fixedly connected to the top of the limiting sliding plate 15, a reset spring 16 is sleeved on the outer side of the fixing sliding rod 12 and positioned at the top of the limiting sliding plate 15, the fixing sliding rod 12 penetrates out of the top of the positioning block 10 and is connected with the positioning block 10 in a sliding manner, a fixing pressing plate 13 is fixedly connected to the top of the fixing sliding rod 12, the power mechanism 2 is composed of a controller 18, a scale line 19, a timer 20, a storage battery 21, a first lead screw 22, an extraction sliding block 23, an injection motor 24, a pushing sliding block 25, a scale pointer 26, a second lead screw 27 and an extraction motor 28, an injection motor, the utility model provides a lead screw 22 of output fixedly connected with of injection motor 24, the one end that injection motor 24 was kept away from to lead screw 22 is connected with the inner wall rotation of canned motor 3, the inside sliding connection of injection spout 9 promotes slider 25, lead screw 22 passes from the bottom that promotes slider 25, and a lead screw 22 and promotion slider 25 threaded connection, the top of canned motor 3 inner wall and the one end fixed mounting that is located extraction spout 8 have extraction motor 28, No. two lead screws 27 of output fixedly connected with of extraction motor 28, No. two lead screws 27 keep away from the one end of extraction motor 28 and are connected with the inner wall rotation of canned motor 3, the inside sliding connection of extraction spout 8 has extraction slider 23, No. two lead screws 27 pass from the bottom of extraction slider 23, and No. two lead screws 27 and extraction slider 23 threaded connection.

The storage battery 21 is fixedly mounted at the bottom of the inner wall of the fixed shell 3, the controller 18 is TB6600 in model, the timer 20 is fixedly mounted on the inner wall of the fixed shell 3 and above the controller 18, and the timer 20 is DS3231 in model, so that timing extraction or injection is facilitated.

Wherein, the top of the positioning block 10 is provided with a limiting groove 11 with an arc structure, which is convenient for fixing the injector.

Wherein, one side fixed mounting of fixed shell 3 has the interface 4 that charges, and the interface 4 that charges is connected with battery 21 through the wire, and the battery 21 of being convenient for charges.

Wherein, one side of extraction spout 8 and one side of injection spout 9 all are equipped with scale mark 19, and the equal fixedly connected with scale pointer 26 of one side that extraction slider 23 is close to scale mark 19 and one side that extraction slider 23 is close to scale mark 19 is convenient for observe the injection or the extraction volume.

Wherein, travel switches are fixedly mounted on the inner wall of the fixed shell 3 and at two ends of the first screw rod 22 and two ends of the second screw rod 27, so as to limit the movement distance between the pushing slide block 25 and the drawing slide block 23.

Wherein, the display screen 6, the control panel 5, the alarm 7, the timer 20, the injection motor 24 and the extraction motor 28 are electrically connected with the controller 18, which is convenient for automatic work.

Specifically, the method comprises the following steps: when the micro negative pressure pump is used, firstly, two syringes with the volume larger than 10ml are selected, dissolved urokinase is sucked into one syringe and then placed at the top of the positioning block 10 on one side of the injection chute 9, then two ears at one end of the syringe are clamped in the syringe fixing groove 17, and then the fixing pressing plate 13 is rotated to the top of the syringe. Under the action of the return spring 16, the fixed pressure plate 13 presses the syringe and clamps one end of the push rod of the syringe in the push slider 25, and then the other empty syringe is fixed on the positioning block 10 at one end of the extraction chute 8 in the same way. And the extraction slide block 23 is moved to one end close to the positioning block 10 through the control panel 5, the push rods of the syringes are clamped in the extraction slide block 23, and then the injection ends of the two syringes are connected with the infusion tube of the patient. When the injector starts to work, the controller 18 controls the injection motor 24 to work, the injection motor 24 drives the pushing slide block 25 to slide towards one end of the positioning block 10 in the injection chute 9 through the first lead screw 22, and when the injector slides, the pushing slide block 25 pushes the push rod of the injector to slowly inject the urokinase dissolved in the needle cylinder into a patient body at a constant speed, and after the injection is finished. The extraction motor 28 drives the extraction sliding block 23 to slide towards one end far away from the positioning block 10 in the injection chute 9 through the second screw rod 27, the sliding block 25 is pushed to slide, and meanwhile, the empty syringe is driven to be extracted, and after extraction is finished. The controller 18 controls the alarm 7 to alarm, and then the drawing slide 23 and the pushing slide 25 are reset through the controller 18. The syringe is then replaced while it is timed by the control panel 5 and automatically withdrawn after injection after more than ten minutes.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, which are only illustrative, but also various changes and modifications may be made without departing from the spirit and scope of the present invention, which fall within the scope of the present invention as claimed, which is defined by the appended claims and their equivalents.

Claims

1. The micro negative pressure pump comprises a shell mechanism (1) and a power mechanism (2), and is characterized in that: the shell mechanism (1) is internally provided with a power mechanism (2), the shell mechanism (1) is composed of a fixed shell (3), a charging interface (4), a control panel (5), a display screen (6), an alarm (7), an extraction chute (8), an injection chute (9), a positioning block (10), a limiting groove (11), a fixed slide bar (12), a fixed pressing plate (13), a fixed chute (14), a limiting slide plate (15), a reset spring (16) and a needle cylinder fixing groove (17), the outer side of the fixed shell (3) is fixedly provided with the control panel (5), the outer side of the fixed shell (3) and one side close to the control panel (5) are fixedly provided with the display screen (6), the outer side of the fixed shell (3) and one side close to the display screen (6) are fixedly provided with the alarm (7), the top of the fixed shell (3) is provided with the extraction chute (8) and the injection chute (9), the top of the fixed shell (3) is fixedly provided with a positioning block (10) at one end of the extraction chute (8) and one end of the injection chute (9), one side of the positioning block (10) close to the extraction chute (8) is provided with a needle cylinder fixing groove (17), one side of the inside of the positioning block (10) is provided with a fixed chute (14), the inside of the fixed chute (14) is connected with a limit sliding plate (15) in a sliding manner, the top of the limit sliding plate (15) is fixedly connected with a fixed sliding rod (12), the outside of the fixed sliding rod (12) is sleeved with a reset spring (16) at the top of the limit sliding plate (15), the fixed sliding rod (12) penetrates out from the top of the positioning block (10), the fixed sliding rod (12) is connected with the positioning block (10) in a sliding manner, and the top of the fixed sliding rod (12) is fixedly connected with a, the power mechanism (2) consists of a controller (18), scale marks (19), a timer (20), a storage battery (21), a first lead screw (22), an extraction sliding block (23), an injection motor (24), a pushing sliding block (25), a scale pointer (26), a second lead screw (27) and an extraction motor (28), wherein the injection motor (24) is fixedly installed at the top of the inner wall of the fixed shell (3) and positioned at one end of the injection sliding chute (9), the first lead screw (22) is fixedly connected with the output end of the injection motor (24), one end, far away from the injection motor (24), of the first lead screw (22) is rotatably connected with the inner wall of the fixed shell (3), the pushing sliding block (25) is slidably connected inside the injection sliding chute (9), the first lead screw (22) penetrates through the bottom of the pushing sliding block (25), and the first lead screw (22) is in threaded connection with the pushing sliding block (25), fixed shell (3) inner wall's top and the one end fixed mounting that is located extraction spout (8) have extraction motor (28), No. two lead screws (27) of output fixedly connected with of extraction motor (28), No. two lead screws (27) are kept away from the one end of extraction motor (28) and are connected with the inner wall rotation of fixed shell (3), the inside sliding connection of extraction spout (8) has extraction slider (23), No. two lead screws (27) pass from the bottom of extraction slider (23), just No. two lead screws (27) and extraction slider (23) threaded connection.

2. The micro negative pressure pump according to claim 1, wherein: the bottom fixed mounting of fixed shell (3) inner wall has battery (21), the bottom fixed mounting of fixed shell (3) inner wall has controller (18), the top fixed mounting that fixed shell (3) inner wall just is located controller (18) has time-recorder (20).

3. The micro negative pressure pump according to claim 1, wherein: the top of the positioning block (10) is provided with a limiting groove (11) with an arc structure.

4. The micro negative pressure pump according to claim 1, wherein: one side fixed mounting of fixed shell (3) has interface (4) that charges, interface (4) that charges is connected with battery (21) through the wire.

5. The micro negative pressure pump according to claim 1, wherein: one side of extraction spout (8) and one side of injection spout (9) all are equipped with scale mark (19), one side that extraction slider (23) are close to scale mark (19) and one side that extraction slider (23) are close to scale mark (19) all fixedly connected with scale pointer (26).

6. The micro negative pressure pump according to claim 1, wherein: travel switches are fixedly mounted on the inner wall of the fixed shell (3) and located at two ends of the first screw rod (22) and two ends of the second screw rod (27).

7. The micro negative pressure pump according to claim 1, wherein: the display screen (6), the control panel (5), the alarm (7), the timer (20), the injection motor (24) and the extraction motor (28) are all electrically connected with the controller (18).