CN112587752A

CN112587752A - Portable tumor chemotherapy device and using method thereof

Info

Publication number: CN112587752A
Application number: CN202110091820.6A
Authority: CN
Inventors: 肖永芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-23
Filing date: 2021-01-23
Publication date: 2021-04-02

Abstract

The invention provides a portable tumor chemotherapy device and a using method thereof. The portable tumor chemotherapy device comprises a chemotherapy pump and a portable bag, a first opening and closing device is arranged at the top of the portable bag, the chemotherapy pump comprises an operation area and a medicine storage bag, a transfusion tube is arranged on the medicine storage bag, and the transfusion tube is communicated with the interior of the medicine storage bag; a transparent window is arranged on the portable bag close to the operation area; a second opening and closing device is arranged at the position of the portable bag close to the infusion tube; the portable bag is also provided with a fastening belt for fixing the portable tumor chemotherapy device. Compared with the prior art, the portable tumor chemotherapy device provided by the invention can be well suitable for carrying the electronic chemotherapy pump, is fixed on the arm of a patient through the fastening belt, and is better in portability and convenient for medicine injection.

Description

Portable tumor chemotherapy device and using method thereof

Technical Field

The invention relates to the technical field of medical instruments, in particular to a portable tumor chemotherapy device and a using method thereof.

Background

Chemotherapy is one of the important means of cancer comprehensive treatment, and clinical application is very extensive (mostly intravenous administration), and with the continuous emergence of new effective anti-cancer drugs, the concentration, speed, dosage, the requirement of time to using medicine also are higher and higher, and some medicine (like fluorouracil) need be long-time, and high concentration vein is slowly dripped, and once treatment volume needs 48 ~ 120h to drip into continuously, if adopt traditional infusion method, will bring inconvenience for patient's daily life. Thus, portable chemotherapy has gradually developed. And the portable chemotherapy pump is a positive and effective chemotherapy method for treating middle and late stage tumors.

The existing portable chemotherapy pump specially used as disclosed in patent publication No. CN203263931U adopts a trailer type portable mode, has limitation in movement, and occupies space when being placed; also for example, the portable chemotherapy pump bag disclosed in patent publication No. CN204745178U, the portable chemotherapy pump backpack disclosed in patent publication No. CN210844635U, the portable bag of the micro infusion pump disclosed in patent publication No. CN207203165U, and the portable fixed bag suitable for the disposable chemotherapy pump disclosed in patent publication No. CN209060187U all adopt a backpack type portable mode, which limits the use time, for example, when a patient sleeps, the position of the backpack needs to be changed, which affects the delivery of the liquid medicine.

As for the portable chemotherapy pump set disclosed in patent publication No. CN205549124U and the chemotherapy pump storage bag disclosed in patent publication No. CN208389093U, although the above-mentioned portability problem can be solved, they are only used for storing the chemotherapy pump with a structure, and are not suitable for use in an electronic chemotherapy pump.

Disclosure of Invention

The invention aims to provide a portable tumor chemotherapy device which is suitable for an electronic chemotherapy pump and has better portability and a using method thereof.

The technical scheme of the invention is as follows: a portable tumor chemotherapy device comprises a chemotherapy pump and a portable bag sleeved outside the chemotherapy pump, wherein a cavity for placing the chemotherapy pump is arranged inside the portable bag, an opening is formed in the top of the portable bag, a first opening and closing device capable of opening or closing the opening is arranged on the opening, the chemotherapy pump comprises an operation area and a medicine storage bag arranged at one end of the operation area, a transfusion tube is arranged on the medicine storage bag and communicated with the inside of the medicine storage bag, a through outlet is formed in the side wall, close to the transfusion tube, of the portable bag, and the transfusion tube can extend out of the outlet; a transparent window is arranged on the portable bag close to the operation area; an opening is formed in the position, close to the infusion tube, of the portable bag, and a second opening and closing device capable of opening or closing the opening is arranged on the opening; the portable bag is also provided with a fastening belt for fixing the portable tumor chemotherapy device.

In the scheme, according to the structural characteristics of the electronic chemotherapy pump, the portable bag is designed into two areas, one area is provided with a transparent window, the other area is completely opaque, the portable bag can be well suitable for carrying the electronic chemotherapy pump, and the portable bag is fixed on the arm of a patient through a fastening belt, so that the portability is better; in addition, the second opening and closing device is arranged, so that the real-time observation of the injection amount of the liquid medicine can be facilitated, and the operation of the infusion tube is facilitated.

Preferably, the medicine storage bag is detachably connected with the operation area, and a connecting male head and a connecting female head which can be butted are arranged at the insertion position of the medicine storage bag and the operation area; the operation area is provided with a liquid inlet, a liquid outlet and a control valve capable of controlling the flow of the medicine infusion, and the liquid inlet is arranged at the bottom of the operation area and extends towards the medicine storage bag; the liquid outlet is arranged on the side wall of the operation area, the connecting male head is arranged at the liquid outlet, the liquid inlet and the liquid outlet are connected through a pipeline, and the control valve is arranged on the pipeline; a controller is arranged in the operation area, and the control valve is electrically connected with the controller; the connecting female head is arranged at the inlet of the infusion tube of the medicine storage bag.

The operation area is designed into a universal structure, the medicine storage bag is designed into a detachable structure, the disposable function of the medicine storage bag is realized, and the medicine storage bag is destroyed after being used up, so that safe and sanitary chemotherapy medicine feeding can be realized, the replacement cost of the whole chemotherapy pump is reduced, the universality of the chemotherapy pump is improved, and the chemotherapy pump can be used for chemotherapy in various tumors.

Preferably, the operation area is provided with a display screen for displaying various data of the chemotherapy pump and a key area for controlling the chemotherapy pump; the display screen and the key area are respectively and electrically connected with the controller.

The electronic control of the chemotherapy pump can be realized, the chemotherapy pump can be started/shut down through a key area, and various instructions are input: if the capacity of the medicine storage bag can be set, the continuous infusion amount and the first infusion amount can be set for a patient in each hour, various data parameters in the chemotherapy process can be visually displayed on the display screen and set, and historical records and the like can be inquired on the display screen. The electronic chemotherapy pump also has the functions of no-medicine alarm reminding, time reminding and the like. The use is safer.

Preferably, the control valve is a flow control valve for controlling the liquid medicine to flow out only from the infusion tube. Can adjust the amount of the chemotherapy liquid medicine according to different diseases. In addition, the flow control valve can be made into a combined valve and integrated with a one-way valve, so that the backflow of liquid medicine can be avoided while the flow is regulated, and the safety of the chemotherapy process is realized.

Preferably, the export is equipped with the sealing silica gel piece, be equipped with the through-hole that the diameter is less than the transfer line diameter on the sealing silica gel piece, be four at least first cracks of circumference equipartition on the sealing silica gel piece, be equipped with two at least second cracks between per two first cracks, first crack with the second crack all certainly the through-hole radially extends, the cracked length of second is less than the cracked length of first crack.

The chemotherapy pump of current patent application number 2017208412831 accomodates the sealing silica gel piece that has adopted the crisscross fracture in the bag, nevertheless takes place during the in-service use, and the cross end is the closed angle, and can produce the scratch between the transfer line, and closed angle and the transfer line outer wall laminating not compact enough, and sealed effect is poor. Therefore, on the basis of the sealing silicon sheet, the through hole is formed in the middle of the sealing silicon sheet, the sharp corner is an arc corner, and in addition, the second cracks are additionally arranged, so that the sealing silicon sheet deforms more snugly along the wall of the infusion tube when being unfolded.

Preferably, two side walls of the chemotherapy pump close to the operation area are provided with hanging lugs, the inner wall of the cavity is provided with a stop block, and the hanging lugs are matched with the stop block; the medicine storage bag is provided with a buckle which can be clamped with the infusion tube, and the buckle and the infusion tube are positioned on the same side of the medicine storage bag.

The design of hangers and stop blocks has the limiting function for placing the chemotherapy pump in the portable bag, and avoids excessively extending the chemotherapy pump into the portable bag to fold the medicine storage bag. The design of buckle can realize effectively accomodating before the transfer line uses, avoids damaging.

Preferably, the hanger is of an L-shaped structure, one L-shaped side edge of the hanger is connected with the side wall of the chemotherapy pump, and the other L-shaped side edge of the hanger is horizontally arranged above the stop block.

The L-shaped hangers can conveniently, quickly and effectively realize position limitation of the chemotherapy pump, and the structure is simple.

Preferably, the portable bag is provided with a telescopic belt which can enable the portable bag to form two cavities, and the telescopic belt is positioned between the operation area and the medicine storage bag; the portable bag is made of shading cloth; a sealing sponge is arranged on one side of the telescopic belt close to the cavity; except the positions of the infusion tube and the top of the portable bag, the cavity is surrounded by a sponge layer.

Through the telescopic band, can place operation area and two regions of medicine storage bag with portable bag and separate, effectively avoid medicine storage bag by the light irradiation, guarantee better property of a medicine. And the telescopic belt is convenient to use.

The invention also provides a using method of the portable tumor chemotherapy device, which comprises the following steps:

step one, opening a first opening and closing device of the portable bag, and enabling a medicine storage bag of the chemotherapy pump to face downwards and enter a cavity from an opening; when the hangers are contacted with the stop block, the chemotherapy pump is put in place; closing the first opening and closing device;

fixing the portable tumor chemotherapy device at a proper position of a patient through a fastening belt;

step three, opening a second opening and closing device, pulling out the infusion tube from the buckle, and extending out of an outlet on the portable bag;

fourthly, according to proper dispensing according to requirements, the prepared liquid medicine is injected into a medicine storage bag of the chemotherapy pump from the infusion tube through a conical joint, and the dosage does not exceed the specification and the capacity of the chemotherapy pump; when the liquid medicine is injected, the real-time injection amount of the liquid medicine is observed through an opening on the portable bag;

fifthly, discharging air after the liquid medicine is injected, closing the pipe clamp, sealing the second opening and closing device, and tensioning the telescopic belt to enable the portable bag to be positioned between the operation area and the medicine storage bag through the telescopic belt and to be hooped and sealed;

step six, puncturing a needle at the tail end of the extension tube at a proper position of a patient, and performing various control operations in an operation area through a transparent window;

step seven, after the liquid medicine in the medicine storage bag is completely infused, the needle is pulled out, the second opening and closing device is opened, and the medicine storage bag is replaced; or the portable tumor chemotherapy device is taken down from the patient to finish transfusion.

Preferably, in the first step, whether the medicine storage bag is damaged or leaks is checked; in the fourth step, a filtering device is adopted for the dispensing so as to fully dissolve the chemotherapy medicine powder; in the sixth step, the portable tumor chemotherapy device is positioned on the same side of the limb of the puncture site of the patient, and the portable tumor chemotherapy device is higher than the puncture site.

Compared with the related technology, the invention has the beneficial effects that:

the portable electronic chemotherapy pump can be well suitable for being carried by an electronic chemotherapy pump, is fixed on the arm of a patient through a fastening belt, and is better in portability and convenient for medicine injection;

the portable bag can form two areas by locking and attaching the telescopic belt to the side wall of the chemotherapy pump, and the area for placing the medicine storage bag is sealed with the operation area, so that the effects of shading and insulating the liquid medicine can be well realized;

the portable tumor chemotherapy device does not influence the normal life of the patient, can relieve the pain of the patient in bed for a long time in chemotherapy, improves the chemotherapy effect and enables the patient to receive easy treatment; continuous chemotherapy can be received at home without hospitalization;

fourthly, the medicine is injected into the body of the patient at a constant speed, at regular time and in a fixed quantity through the control valve and the controller, the operability is high, and the safety is high.

Drawings

FIG. 1 is a schematic structural diagram of a portable tumor chemotherapy device provided by the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1 with the front of the carry bag removed;

FIG. 3 is a schematic view of FIG. 2 taken along line A;

FIG. 4 is a schematic view of the chemotherapy pump of FIG. 2 with the pump removed;

fig. 5 is a schematic sectional view taken along B-B in fig. 4.

In the drawings: 1-a chemotherapy pump, 101-an operation area, 102-a medicine storage bag, 103-a transfusion tube, 104-a liquid inlet, 105-a liquid outlet, 106-a control valve, 107-a pipeline, 108-a display screen, 109-a key area, 110-a hanging lug and 111-a buckle;

2-portable bag, 201-cavity, 202-opening, 203-first opening and closing device, 204-outlet, 205-transparent window, 206-opening, 207-second opening and closing device, 208-sealing silica gel sheet, 2081-through hole, 2082-first crack, 2083-second crack, 209-stop block, 210-telescopic belt, 211-sponge layer, 212-lock catch, 213-convex structure and 214-fastening belt;

3-connecting male head and 4-connecting female head.

Detailed Description

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.

As shown in fig. 1, the present embodiment provides a chemotherapy pump 1 of a portable tumor chemotherapy device and a portable bag 2 sleeved outside the chemotherapy pump 1.

As shown in fig. 2, the chemotherapy pump 1 comprises an operation area 101, a drug bag 102, an infusion tube 103, a fluid inlet 104, a fluid outlet 105, a control valve 106, a tube 107, a display screen 108, a button area 109, a hanging lug 110, a buckle 111 and a controller (not shown).

The operation area 101 is an electric control center, and the controller is arranged in the operation area. The operation area 101 is provided with a display screen 108 for displaying various data of the chemotherapy pump and a button area 109 for operating the chemotherapy pump. The display screen 108 and the key area 109 are electrically connected with the controller respectively. The controller is a microcomputer technology, and has a perfect chip memory system, an individualized administration scheme setting, a careful and effective safety protection system, an intelligent programming information memory processing and the like, and is integrated with a chip processor. The operating region 101 is powered using a battery.

The infusion parameters set by the button section 109 are displayed on the display screen 108. Infusion parameters include, for example: total infusion amount, first infusion amount, continuous infusion amount, limit amount, infusion time, alarm switch adjustment and the like.

Wherein the limit = first amount + continuous input + total 1 hour pca +3 ml.

The chemotherapy pump alarms when the following occurs:

(1) the chemotherapy pump does not use the medicine storage bag;

(2) the machine is not running; battery replacement or restart;

(3) the medicine storage bag is provided with air bubbles;

(4) the transfusion is finished, and the residual amount of the liquid medicine in the medicine storage bag is less than 2 ml.

The fault removal is completed in a non-operating state.

The button area 109 can control the start or stop of the chemotherapy pump 1, control the exhaust of the drug storage bag 102, lock the keyboard and adjust the parameters.

The medicine storage bag 102 is inserted into one end of the operation area 101. The inserting part of the medicine storage bag 102 and the operation area 101 is provided with a connecting male head 3 and a connecting female head 4 which can be in butt joint. The method specifically comprises the following steps: the operation area 101 is provided with a liquid inlet 104, a liquid outlet 105 and a control valve 106 capable of controlling the flow rate of the medicine. The liquid inlet 104 is arranged at the bottom of the operation area 101 and extends towards the medicine storage bag 102. The liquid outlet 105 is arranged on the side wall of the operation area 101, and the liquid outlet 105 is provided with the connecting male head 3. The inlet 104 and the outlet 105 are connected by a pipe 107, and the control valve 106 is provided on the pipe 107. In this embodiment, the control valve 106 is a flow control valve. A controller is arranged in the operation area 101, and the control valve 106 is electrically connected with the controller 107. The connecting female head 4 is arranged at the inlet of the transfusion tube 103 of the medicine storage bag 102.

An infusion tube 103 is arranged on the medicine storage bag 102, and the infusion tube 103 is communicated with the interior of the medicine storage bag 102. A through outlet 204 is arranged on the side wall of the portable bag 102 adjacent to the infusion tube 103, and the infusion tube 103 can extend out of the outlet 204.

When the medicine storage bag 102 is installed, a clamping structure can be arranged at the inserting position of the operation area 101, the clamping structure is similar to a flange, when the medicine storage bag 102 is abutted to the baffle, the medicine storage bag 102 is installed in place, and at the moment, the male connector 3 and the female connector 4 are connected in a butt joint mode. When the chemotherapy pump 1 is started, the liquid medicine in the medicine storage bag 102 enters the pipeline 107 from the liquid inlet 104 under the driving of the control valve 106, and enters the infusion pipeline 103 through the pipeline 107 to realize infusion.

The medicine storage bag 102 is provided with a buckle 111 capable of clamping the infusion tube 103, and the buckle 111 and the infusion tube 103 are positioned on the same side of the medicine storage bag 102. The structure of the buckle 111 is a trapezoidal structure as shown in fig. 2, two buckles are arranged at intervals in the width direction of the medicine storage bag 102, so that a clamping cavity is formed between the two trapezoidal structures, the infusion tube 103 is clamped in the clamping cavity, and the clamp is convenient and quick to mount and dismount and is firm in clamping.

As shown in fig. 1 to 3, the portable bag 2 includes a cavity 201, an opening 202, a first opening/closing device 203, an outlet 204, a transparent window 205, an opening 206, a second opening/closing device 207, a silicone sheet 208, a stopper 209, a stretchable band 210, a sponge layer 211, a latch 212, and a protrusion 213.

The cavity 201 for placing the chemotherapy pump 1 is arranged in the portable bag 2. An opening 202 is arranged at the top of the portable bag 2, and a first opening and closing device 203 capable of opening or closing the opening 202 is arranged on the opening 202.

A through outlet 204 is arranged on the side wall of the portable bag 2 close to the infusion tube 103. The infusion tube 103 may extend from the outlet 204.

As shown in fig. 3, a sealing silicone sheet 208 is disposed on the outlet 204, and a through hole 2081 with a diameter smaller than that of the infusion tube 103 is disposed on the sealing silicone sheet 208. At least four first cracks 2082 are uniformly distributed on the sealing rubber sheet 208 along the circumference, and at least two second cracks 2083 are arranged between every two first cracks 2082. The first split 2082 and the second split 2083 each extend radially from the through-hole 2081. The second split 2083 has a length that is less than the length of the first split 2082.

As shown in fig. 2, a transparent window 205 is provided adjacent to the operation area 101 of the portable bag 2. The transparent window 205 is used for viewing the display screen 108 and facilitating manipulation of the key region 109. The transparent window 205 can be made of brown plastic, and is required to be light-proof.

As shown in fig. 1 and 2, an opening 206 is provided in the position of the portable bag 2 adjacent to the infusion tube 103, and a second opening/closing device 207 capable of opening or closing the opening 206 is provided. The second opening and closing device 207 extends from the length direction of the chemotherapy pump 1, and the infusion tube 103 is conveniently taken out from the opening 206.

In this embodiment, the first opening and closing device 203 and the second opening and closing device 207 are zippers.

Except the positions of the infusion tube 103 and the top of the portable bag 2, the cavity 201 is enclosed by a sponge layer 211. The sponge layer 211 can play a good role in shock absorption and heat preservation.

The chemotherapy pump 1 is provided with hangers 110 on two side walls adjacent to the operation area 101. A stop block 209 is arranged on the inner wall of the sponge layer 211 of the cavity 201, the hanging lug 110 is of an L-shaped structure, one L-shaped side edge of the hanging lug is connected with the side wall of the chemotherapy pump 1, and the other side edge of the hanging lug is horizontally arranged above the stop block 209.

As shown in fig. 1, the portable bag 2 is provided with an extensible belt 210 which can make the portable bag 2 form two cavities, the extensible belt 210 is located between the operation area 101 and the medicine storage bag 102, one of the formed cavities is used for placing the operation area, and the other cavity is used for placing the medicine storage bag. The portable bag 2 is integrally made of a light-shielding cloth such as an opaque non-woven fabric or the like. One side of the telescopic belt 210 close to the cavity 201 is provided with a sealing sponge. The stretchable tape 210 is sewn into the portable bag 2, and both ends thereof extend from the portable bag 2, and a fastener 212 is provided at the extended portion. When the stretching part of the telescopic belt 210 is stretched to be lengthened, the part of the telescopic belt 210 sewed in the portable bag 2 is contracted, so that the sealing sponge is tightly attached to the side wall of the chemotherapy pump 1, the medicine storage bag 102 is isolated from the operation area 101, and the medicine storage bag can be well protected from light, heat and the like. The length adjustment of the telescopic strap 210 is locked by the lock catch 212. The structure of the lock catch 212 is the same as that used on the trouser belt, the invention applies the prior telescopic belt and lock catch in the portable bag to realize the isolation of two areas of the portable bag while not influencing the placement of the chemotherapy pump, and the operation is simple.

As shown in fig. 4 and 5, the sidewall of the portable bag 2 for placing the operation area 101 is provided with a plurality of protruding structures 213. The protruding structure 213 is made of silica gel, which can prevent slipping, and form a ventilation channel to avoid damp and hot.

As shown in fig. 2, the portable bag 2 is further provided with a fastening belt 214 for fixing the portable tumor chemotherapy device. The fastening strap 214 may be secured by a two-strap binding or a snap-fastener.

step one, checking whether the medicine storage bag 102 is damaged or leaks, or else, forbidding use. Opening the first opening and closing device 203 of the portable bag 2, and enabling the medicine storage bag 102 of the chemotherapy pump 1 to face downwards and enter the cavity 201 from the opening 202; when the hangers 110 contact the stop 209, the chemotherapy pump 1 is put in place; closing the first opening and closing device 203.

Step two, the portable tumor chemotherapy device is fixed at the proper position of the patient through the fastening belt 214: the chemotherapy pump cannot be hung on the infusion support, which may cause the flow rate to be too fast. The chemotherapy pump is tightly attached to the skin of the patient as much as possible to ensure the accuracy of the liquid medicine infusion speed. The chemotherapy pump is placed on the same side of the punctured limb of the patient, the chemotherapy pump is kept not lower than the punctured part, and the catheter is not twisted.

And step three, opening the second opening and closing device 207, pulling the infusion tube 103 out of the buckle 111 and extending out of the outlet 204 on the portable bag 2.

And step four, according to the requirement, proper dosage is carried out, and a filtering device (not shown) is adopted for dosage so as to fully dissolve the chemotherapy medicine powder. Injecting the prepared liquid medicine from the infusion tube 103 into the medicine storage bag 102 of the chemotherapy pump 1 through a conical joint (the end of the infusion tube 103 is arranged), wherein the medicine adding amount does not exceed the specification capacity of the chemotherapy pump; when the liquid medicine is injected, the real-time injection amount of the liquid medicine is observed through the opening 206 of the portable bag 2.

And step five, discharging air after the liquid medicine is injected, closing a pipe clamp (not shown), closing the second opening and closing device 207, and tensioning the telescopic belt 210 to enable the telescopic belt 210 to position the portable bag 2 between the operation area 101 and the medicine storage bag 102 and seal the portable bag.

Step six, adding a special extension tube for chemotherapy according to the using length, wherein an arrow of the joint faces towards a patient when adding the extension tube. The needle at the end of the extension tube is inserted into the appropriate location of the patient and various manipulations are performed in the operation area 101 through the transparent window 205. The portable tumor chemotherapy device is positioned on the same side of the limb of the puncture part of the patient, and the portable tumor chemotherapy device is higher than the puncture part.

And step seven, after the liquid medicine in the medicine storage bag 2 is completely infused, the needle is pulled out, the second opening and closing device 207 is opened, and the medicine storage bag 102 is replaced. Or the portable tumor chemotherapy device is taken down from the patient to finish transfusion. The spent drug storage bag 102 needs to be destroyed.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A portable tumor chemotherapy device comprises a chemotherapy pump and a portable bag sleeved outside the chemotherapy pump, wherein a cavity for placing the chemotherapy pump is arranged inside the portable bag, an opening is formed in the top of the portable bag, and a first opening and closing device capable of enabling the portable bag to be opened or closed is arranged on the opening; a transparent window is arranged on the portable bag close to the operation area; an opening is formed in the position, close to the infusion tube, of the portable bag, and a second opening and closing device capable of opening or closing the opening is arranged on the opening; the portable bag is also provided with a fastening belt for fixing the portable tumor chemotherapy device.

2. The portable tumor chemotherapy device according to claim 1, wherein the medicine storage bag is detachably connected with the operation area, and a connecting male head and a connecting female head which can be butted are arranged at the insertion position of the medicine storage bag and the operation area; the operation area is provided with a liquid inlet, a liquid outlet and a control valve capable of controlling the flow of medicine infusion, and the liquid inlet is arranged at the bottom of the operation area and extends towards the medicine storage bag; the liquid outlet is arranged on the side wall of the operation area, the connecting male head is arranged at the liquid outlet, the liquid inlet and the liquid outlet are connected through a pipeline, and the control valve is arranged on the pipeline; a controller is arranged in the operation area, and the control valve is electrically connected with the controller; the connecting female head is arranged at the inlet of the infusion tube of the medicine storage bag.

3. The portable tumor chemotherapy device according to claim 2, wherein the operation area is provided with a display screen for displaying data of the operation of the chemotherapy pump and a button area for operating the chemotherapy pump; the display screen and the key area are respectively and electrically connected with the controller.

4. The portable tumor chemotherapy device according to claim 2, wherein the control valve is a flow control valve for controlling the liquid medicine to flow only from the liquid transfer tube.

5. The portable tumor chemotherapy device according to claim 1, wherein the outlet is provided with a sealing silicone sheet, the sealing silicone sheet is provided with a through hole with a diameter smaller than that of the infusion tube, at least four first slits are evenly distributed on the sealing silicone sheet circumferentially, at least two second slits are arranged between every two first slits, the first slits and the second slits both extend radially from the through hole, and the length of the second slits is smaller than that of the first slits.

6. The portable tumor chemotherapy device according to claim 1, wherein the two side walls of the chemotherapy pump near the operation area are provided with hanging lugs, the inner wall of the cavity is provided with a stop block, and the hanging lugs are matched with the stop block; the medicine storage bag is provided with a buckle which can be clamped with the infusion tube, and the buckle and the infusion tube are positioned on the same side of the medicine storage bag.

7. The portable tumor chemotherapy device according to claim 6, wherein the hanging ear is of an L-shaped structure, one side of the L-shaped structure is connected with the side wall of the chemotherapy pump, and the other side of the L-shaped structure is horizontally arranged above the stop block.

8. The portable tumor chemotherapy device according to claim 1, wherein the portable bag is provided with a retractable belt which can enable the portable bag to form two cavities, and the retractable belt is positioned between the operation area and the medicine storage bag; the portable bag is made of shading cloth; a sealing sponge is arranged on one side of the telescopic belt close to the cavity; except the positions of the infusion tube and the top of the portable bag, the cavity is surrounded by a sponge layer.

9. A method of using the portable tumor chemotherapy device according to any one of claims 1 to 8, comprising the steps of:

10. The use method of the portable tumor chemotherapy device according to claim 9, wherein in the first step, the medicine bag is further checked for breakage or leakage; in the fourth step, a filtering device is adopted for the dispensing so as to fully dissolve the chemotherapy medicine powder; in the sixth step, the portable tumor chemotherapy device is positioned on the same side of the limb of the puncture site of the patient, and the portable tumor chemotherapy device is higher than the puncture site.