CN215780532U

CN215780532U - Special quantity-control precise infusion apparatus for chemotherapy

Info

Publication number: CN215780532U
Application number: CN202122122838.6U
Authority: CN
Inventors: 苑保霞
Original assignee: Cancer Hospital of Shandong First Medical University
Current assignee: Cancer Hospital of Shandong First Medical University
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-02-11
Anticipated expiration: 2031-09-03

Abstract

The utility model relates to the field of medical appliances, in particular to a special quantity-control precise infusion apparatus for chemotherapy, which comprises a puncture outfit, an exhaust hole, a Murphy's dropper, a control alarm, a dual-channel filter, an air filter, a venous indwelling needle and an infusion hose; the puncture outfit is provided with a retention snap ring which fixes the puncture outfit on the mouth of the infusion bottle; the exhaust hole is connected with the puncture outfit through a hose, the Murphy's dropper, the control alarm, the double-channel filter and the air filter are connected through a transfusion hose, and a transfusion hose flow stopping clamp is arranged on the transfusion hose. The safety of the utility model is strong, the dropping speed is monitored and alarmed, the danger is prevented, the retaining ring can prevent the puncture outfit from falling off, and the operation is simple; the aperture of the double-channel filter is adjusted according to the requirement, so that the double-channel filter is suitable for different patients and conditions, and has strong flexibility; the disposable venous indwelling needle reduces the medicine waste and is convenient for medical staff to inject the medicine into the vein.

Description

Special quantity-control precise infusion apparatus for chemotherapy

Technical Field

The utility model relates to the field of medical appliances, in particular to a special quantity-control precise infusion apparatus for chemotherapy.

Background

At present, an infusion apparatus used in clinical chemotherapy is a disposable precise infusion apparatus, a chemotherapy patient needs to strictly control the flow rate of liquid medicine for infusion and effectively block air from entering, an alarm capable of accurately controlling the dropping speed and monitoring the dropping speed and the air in the liquid medicine is absent in the prior art, the aperture of a precise filter of the existing infusion apparatus is only one, other filtering needs cannot be met during infusion, an anti-drop structure is absent in a puncture outfit, the puncture outfit is easy to drop from an infusion bottle opening, and potential safety hazards exist; therefore, a special quantity-control precise infusion set for chemotherapy is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a special quantity-control precise infusion apparatus for chemotherapy, which aims to solve the problems that a monitoring control device is lacked, the pore diameter of a precise filter cannot be adjusted and a puncture outfit is easy to fall off in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a special quantity-control precise infusion apparatus for chemotherapy comprises a puncture outfit 1, an exhaust hole 2, a Murphy's dropper 3, a control alarm 4, a double-channel filter 5, an air filter 7, a venous indwelling needle 10 and an infusion hose 6; the puncture outfit 1 is provided with a retention snap ring 13, and the retention snap ring 13 fixes the puncture outfit 1 on the mouth of the infusion bottle; the exhaust hole 2 is connected with the puncture outfit 1 through a hose, the Murphy's dropper 3, the control alarm 4, the double-channel filter 5 and the air filter 7 are connected with the transfusion hose 6, and the transfusion hose 6 is provided with a transfusion hose flow stopping clamp 8.

Puncture ware 1 sets up 6 tops of infusion hose, puncture ware 1 includes pjncture needle 11, puncture needle file 12, maintenance snap ring 13 and puncture handle 14, pjncture needle 11 with puncture needle file 12 top is connected, puncture needle file 12 sets up on the puncture handle 14, maintenance snap ring 13 through elastic expansion plate 15 with puncture needle file 12 is connected.

The retention snap ring 13 is a separated annular clamping groove, the elastic expansion plate 15 can be expanded outwards and upwards, the elastic expansion plate 15 is connected with the needle seat 12 through a spring, and grooves matched with the elastic expansion plate 15 are formed in two sides of the puncture needle seat 12.

The control alarm 4 is provided with a display screen 41, a hose fixing groove 42, a speed regulation key 43, an alarm flashing lamp 44 and an alarm microphone 45, and the alarm microphone 45 is provided with a sound transmission hole 451; the display screen 41 and the speed regulation key 43 are arranged on the upper surface of the control alarm 4, the display screen 41 is arranged above the speed regulation key 43, and the hose fixing groove 42 is arranged on one side of the display screen 41; the control alarm device 4 is internally provided with a motor 46, a rotating shaft of the motor 46 is connected with a screw shaft 47, the top of the screw shaft 47 is provided with a stopping block 471, the screw shaft 47 is provided with a lifting block 48, the front end of the lifting block 48 is provided with a squeezing block 49, and the squeezing block 49 is fixed in the control alarm device 4 through a shaft.

The dual-channel filter 5 comprises a filter base 51, a first channel 52 and a second channel 53, an upper connecting pipe 511 is arranged above the filter base 51, a lower connecting pipe 512 is arranged below the filter base 51, and the upper connecting pipe 511 and the lower connecting pipe 512 are connected through the infusion hose 6; the first passage 52 is connected to but not communicated with the second passage 53, and the first passage 52 is disposed at a side close to the filter base 51; a first liquid inlet 522 is arranged above the first channel 52, a first liquid outlet 523 is arranged below the first channel 52, a first filter screen 521 is arranged in the first channel 52, and the first filter screen 521 is 0.5 μm; a second liquid inlet 532 is arranged above the second channel 53, a second liquid outlet 533 is arranged below the second channel 53, a second filter screen 531 is arranged in the second channel 53, and the second filter screen 531 is 0.2 μm.

Needle 10 sets up is kept somewhere to vein 6 one end of infusion hose, needle 10 is kept somewhere to vein includes extension pipe 1001, malleation joint 1002 and hose nipple 1004, be equipped with extension pipe on the extension pipe 1001 and end the clamp 9 that flows, malleation joint 1002 one end with extension pipe 1001 one end is connected, malleation joint 1002 is kept away from the one end of extension pipe 1001 is equipped with heparin cap 1005, malleation joint 1002 side is equipped with end cap 1003, hose nipple 1004 sets up infusion hose 6's one end, infusion hose 6 passes through hose nipple 1004 with malleation joint 1002 connects

Compared with the prior art, the utility model has the following beneficial effects:

the safety of the puncture outfit is high, the control alarm can effectively monitor and alarm the dropping speed, the danger caused by improper flow rate can be effectively prevented, the retaining ring can effectively prevent the puncture outfit from falling off, and the operation is simple; the dual-channel filter can adjust the pore size according to the requirement, is suitable for different patients and conditions, and has strong flexibility; the disposable venous indwelling needle is used, so that the medicine waste is reduced, and the medical care personnel can conveniently inject the medicine into the vein.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a retaining ring of the present invention;

FIG. 3 is a second view of the retaining ring of the present invention;

FIG. 4 is a schematic view of the control alarm of the present invention;

FIG. 5 is a side schematic view of a dual pass filter according to the present invention;

FIG. 6 is a second schematic side view of the dual channel filter of the present invention;

FIG. 7 is a schematic front view of a first channel of the present invention;

FIG. 8 is a schematic view of a venous indwelling needle of the present invention;

FIG. 9 is a second view of the venous indwelling needle of the present invention;

fig. 10 is a schematic diagram of the internal structure of the control alarm of the utility model.

In the figure: 1. a puncture instrument; 11. puncturing needle; 12. a puncture needle seat; 13. a retention snap ring; 14. a puncture handle; 15. an elastic expansion plate; 2. an exhaust hole; 3. a Murphy's dropper; 4. controlling an alarm; 41. a display screen; 42. a hose fixing groove; 43. a flow rate key; 44. an alarm flashing light; 45. an alarm microphone; 451. a sound transmission hole; 46. a motor; 47. a screw shaft; 471. blocking; 48. a lifting block; 49. extruding the block; 5. a dual-channel filter; 51. a filter base; 511. an upper connecting pipe; 512. a lower connecting pipe; 52. a first channel; 521. a first filter screen; 522. a first liquid inlet; 523. a first liquid outlet; 53. a second channel; 531. a second filter screen; 532. a second liquid inlet; 533. a second liquid outlet; 6. a flexible infusion tube; 7. an air filter; 8. the transfusion hose flow stopping clip; 9. an extension pipe flow stopping clamp; 10. a venous indwelling needle; 1001. an extension tube; 1002. a positive pressure joint; 1003. an end cap; 1004. a hose connector; 1005. a heparin cap.

Detailed Description

The present invention will be described in further detail with reference to the following examples in order to clarify technical problems, technical solutions, implementation processes and performance displays. It should be understood that the specific embodiments described herein are for illustrative purposes only. The present invention is not limited to the above embodiments. Various exemplary embodiments, features and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.

Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present disclosure. It will be understood by those skilled in the art that the present disclosure may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present disclosure.

As shown in fig. 1-10, a special quantity-control precision infusion apparatus for chemotherapy comprises a puncture outfit 1, an exhaust hole 2, a Murphy's dropper 3, a control alarm 4, a dual-channel filter 5, an air filter 7, a venous indwelling needle 10 and an infusion hose 6; the puncture outfit 1 is provided with a retention snap ring 13, and the retention snap ring 13 fixes the puncture outfit 1 on the mouth of the infusion bottle; the exhaust hole 2 is connected with the puncture outfit 1 through a hose, the Murphy's dropper 3, the control alarm 4, the double-channel filter 5 and the air filter 7 are connected with the transfusion hose 6, and the transfusion hose 6 is provided with a transfusion hose flow stopping clamp 8.

The retention snap ring 13 is a separated annular clamping groove and can be outwards and upwards expanded through the elastic expansion plate 15 to be clamped at the mouth of an infusion bottle for fixing, so that the puncture outfit is prevented from falling off from the mouth of the infusion bottle, the elastic expansion plate 15 is connected with the needle base 12 through a spring, and the retention snap ring 13 automatically returns when being taken down from the mouth of the infusion bottle; grooves matched with the elastic expansion plates 15 are formed in the two sides of the puncture needle base 12.

The control alarm 4 is provided with a display screen 41, a hose fixing groove 42, a speed regulation key 43, an alarm flashing lamp 44 and an alarm microphone 45, and the alarm microphone 45 is provided with a sound transmission hole 451; the display screen 41 and the speed regulation key 43 are arranged on the upper surface of the control alarm 4, the display screen 41 is arranged above the speed regulation key 43, and the hose fixing groove 42 is arranged on one side of the display screen 41; a motor 46 is arranged in the control alarm 4, a rotating shaft of the motor 46 is connected with a screw shaft 47, a stopping block 471 is arranged at the top of the screw shaft 47, a lifting block 48 is arranged on the screw shaft 47, a squeezing block 49 is arranged at the front end of the lifting block 48, and the squeezing block 49 is fixed in the control alarm 4 through a shaft; the display screen 41 is used for displaying time, and the display screen adopts a 0.56-inch four-digit LED nixie tube and can be connected with an existing common electronic watch; the control alarm can select a Happy micro-brand venous transfusion monitor.

As a possible implementation, a CYEAS ultrasonic bubble detection module, model U02, may be added to the control alarm 4 to monitor bubbles in the tube and prevent danger due to excessive bubbles.

The dual-channel filter 5 comprises a filter base 51, a first channel 52 and a second channel 53, an upper connecting pipe 511 is arranged above the filter base 51, a lower connecting pipe 512 is arranged below the filter base 51, and the upper connecting pipe 511 and the lower connecting pipe 512 are connected through the infusion hose 6; the first channel 52 is connected with the second channel 53 but not communicated with the second channel 53, the first channel 52 is arranged at one side close to the filter base 51, a first liquid inlet 522 is arranged above the first channel 52, a first liquid outlet 523 is arranged below the first channel 52, a first filter net 521 is arranged in the first channel 52, and the first filter net 521 is 0.5 μm; a second liquid inlet 532 is arranged above the second channel 53, a second liquid outlet 533 is arranged below the second channel 53, a second filter screen 531 is arranged in the second channel 53, and the second filter screen 531 is 0.2 μm; in an initial state, the first passage 52 is communicated with the filter base 51, specifically, the first liquid inlet 522 is communicated with the upper connecting pipe 511, and the first liquid outlet 523 is communicated with the lower connecting pipe 512; when the aperture needs to be adjusted, the second channel 53 is pushed into the filter base 51, so that the second channel 53 is communicated with the filter base 51, specifically, the second liquid inlet 532 is communicated with the upper connecting pipe 511, and the second liquid outlet 533 is communicated with the lower connecting pipe 512.

The venous indwelling needle 10 is arranged at one end of the infusion hose 6, the venous indwelling needle 10 comprises an extension tube 1001, a positive pressure connector 1002 and a hose connector 1004, an extension tube flow stopping clamp 9 is arranged on the extension tube 1001, one end of the positive pressure connector 1002 is connected with one end of the extension tube 1001, a heparin cap 1005 is arranged at one end, away from the extension tube 1001, of the positive pressure connector 1002, when the venous indwelling needle 10 does not perform infusion, the heparin cap 1005 is connected with the positive pressure connector 1002, and an end cap 1003 is arranged at the side end of the positive pressure connector 1002; the hose connector 1004 is provided at one end of the infusion hose 6, and when the venous indwelling needle 10 performs infusion, the hose connector 1004 is connected to the positive pressure connector 1002, and the infusion hose 6 is connected to the positive pressure connector 1002 through the hose connector 1004.

When in use, after the puncture outfit is punctured into an infusion bottle, the retention clamp ring is firstly expanded outwards and then is upwards pulled out and clamped out of the mouth of the infusion bottle, thus playing the role of preventing falling; the key controls the rotating speed of the motor, and the lifting block rises or falls along with the rotating speed of the motor to drive the extrusion block to extrude the infusion hose so as to control the flow rate; when a 0.5 μm filter screen is required, the first through-channel is maintained and checked in communication with the filter base, and when a 0.2 μm filter screen is required, the second channel is pushed inwardly into the filter base so that the second through-channel is in communication with the filter base. When the transfusion is continued, the transfusion hose is communicated with the positive pressure joint of the vein indwelling needle through the hose joint, and when the transfusion is not needed, the positive pressure joint is connected with the heparin cap. In the disposable packaging bag of the infusion apparatus, a standby heparin cap is additionally arranged for the patient to keep the remaining needle when going out for examination.

When the infusion bottle needs to be replaced, the retention clamp ring is firstly expanded outwards, the puncture outfit is pulled out after the retention clamp ring automatically returns by loosening hands, and the retention clamp ring is clamped at the opening of a new infusion bottle again by repeating the retention action; after the transfusion is finished, the fixing clamp ring is repeatedly taken down to automatically return to the original position, and the heparin cap is connected with the positive pressure joint.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A special quantity-control precise infusion apparatus for chemotherapy is characterized by comprising a puncture outfit (1), an exhaust hole (2), a Murphy's dropper (3), a control alarm (4), a double-channel filter (5), an air filter (7), a vein retention needle (10) and an infusion hose (6); a retention snap ring (13) is arranged on the puncture outfit (1), and the puncture outfit (1) is fixed at the mouth of the infusion bottle by the retention snap ring (13); the exhaust hole (2) is connected with the puncture outfit (1) through a hose, the Murphy's dropper (3), the control alarm (4), the dual-channel filter (5) and the air filter (7) are connected with the infusion hose (6), and the infusion hose flow stopping clamp (8) is arranged on the infusion hose (6).

2. The precise quantity-control infusion apparatus special for chemotherapy according to claim 1, wherein the puncture outfit (1) is arranged at the top end of the infusion hose (6), the puncture outfit (1) comprises a puncture needle (11), a puncture needle base (12), a retention snap ring (13) and a puncture handle (14), the puncture needle (11) is connected with the upper part of the puncture needle base (12), the puncture needle base (12) is arranged on the puncture handle (14), and the retention snap ring (13) is connected with the puncture needle base (12) through an elastic expansion plate (15).

3. The special quantity-control precision infusion apparatus for chemotherapy according to claim 2, wherein the retention snap ring (13) is a separate annular clamping groove, the retention snap ring can be expanded outwards and upwards through the elastic expansion plate (15), the elastic expansion plate (15) is connected with the needle seat (12) through a spring, and grooves matched with the elastic expansion plate (15) are arranged on two sides of the puncture needle seat (12).

4. The special volume-controlling precision infusion apparatus for chemotherapy according to claim 1, wherein the control alarm (4) is provided with a display screen (41), a hose fixing groove (42), a speed-regulating key (43), an alarm flashing lamp (44) and an alarm microphone (45), and the alarm microphone (45) is provided with a sound-transmitting hole (451); the display screen (41) and the speed regulation key (43) are arranged on the upper surface of the control alarm (4), the display screen (41) is arranged above the speed regulation key (43), and the hose fixing groove (42) is arranged on one side of the display screen (41); the control alarm is characterized in that a motor (46) is arranged inside the control alarm (4), a rotating shaft of the motor (46) is connected with a screw shaft (47), a blocking block (471) is arranged at the top of the screw shaft (47), a lifting block (48) is arranged on the screw shaft (47), an extrusion block (49) is arranged at the front end of the lifting block (48), and the extrusion block (49) is fixed in the control alarm (4) through a shaft.

5. The precise quantity-controlled infusion set special for chemotherapy according to claim 1, wherein the dual-channel filter (5) comprises a filter base (51), a first channel (52) and a second channel (53), an upper connecting pipe (511) is arranged above the filter base (51), a lower connecting pipe (512) is arranged below the filter base, and the upper connecting pipe (511) and the lower connecting pipe (512) are connected through the infusion hose (6); the first channel (52) is connected with but not communicated with the second channel (53), and the first channel (52) is arranged on one side close to the filter base (51); a first liquid inlet (522) is formed above the first channel (52), a first liquid outlet (523) is formed below the first channel (52), a first filter screen (521) is arranged in the first channel (52), and the first filter screen (521) is 0.5 mu m; a second liquid inlet (532) is arranged above the second channel (53), a second liquid outlet (533) is arranged below the second channel (53), a second filter screen (531) is arranged in the second channel (53), and the second filter screen (531) is 0.2 mu m.

6. The precise quantity-control infusion apparatus special for chemotherapy according to claim 1, wherein the venous indwelling needle (10) is arranged at one end of the infusion hose (6), the venous indwelling needle (10) comprises an extension tube (1001), a positive pressure connector (1002) and a hose connector (1004), an extension tube flow stopping clamp (9) is arranged on the extension tube (1001), one end of the positive pressure connector (1002) is connected with one end of the extension tube (1001), a heparin cap (1005) is arranged at one end of the positive pressure connector (1002) far away from the extension tube (1001), an end cap (1003) is arranged at one end of the positive pressure connector (1002), the hose connector (1004) is arranged at one end of the infusion hose (6), and the infusion hose (6) is connected with the positive pressure connector (1002) through the hose connector (1004).