CN114795660A

CN114795660A - Abdominal cavity hot perfusion chemotherapy device

Info

Publication number: CN114795660A
Application number: CN202210202858.0A
Authority: CN
Inventors: 陈萍; 王芳; 罗娜; 樊维宁
Original assignee: General Hospital of Ningxia Medical University
Current assignee: General Hospital of Ningxia Medical University
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-07-29

Abstract

The invention discloses an abdominal cavity hot perfusion chemotherapy device, which comprises an abdominal pressure belt, an injector assembly and a bed body, wherein the injector assembly is arranged on the abdominal pressure belt; the injector component comprises an injection tube and a liquid conveying tube, the liquid conveying tube is arranged at the top of the injection tube, one side of the injection tube is connected with a liquid return tube, an inlet of the liquid conveying tube is connected with a liquid storage tank, an outlet of the liquid return tube is connected with a waste liquid tank, the liquid conveying tube is provided with a heating device, and the liquid conveying tube is provided with a metering pump; the bed body includes arc bed board, bedstead and support, and the arc bed board slides and sets up on the bedstead, and the bottom of pitch arc bed board is provided with the arc rack, is provided with servo motor on the bedstead, is connected with in servo motor's the pivot with arc rack toothing's gear, and servo motor drive gear rotates, drives arc bed board swing back and forth, and the bedstead slides and sets up on the support, is provided with the driving piece on the support, and the straight line reciprocating sliding of driving piece drive bedstead on the support. The invention is beneficial to improving the comfort and chemotherapy effect of patients in the chemotherapy process.

Description

Abdominal cavity hot perfusion chemotherapy device

Technical Field

The invention relates to the technical field of medical instruments, in particular to an abdominal cavity thermal perfusion chemotherapy device.

Background

The abdominal cavity chemotherapy is one of chemotherapy methods, and mainly comprises the step of infusing chemotherapy medicaments into the abdominal cavity to enable the chemotherapy medicaments in the abdominal cavity to reach a certain concentration, so that the effect of resisting cancer is achieved. At present, in clinical practice, perfusion liquid with the temperature of about 45 ℃ and chemotherapy drugs are mainly perfused into an abdominal cavity, and the sensibility of tumor cells is enhanced by utilizing the killing effect of the tepidity effect of the perfusion liquid on the tumor and the synergistic effect of the tepidity effect and the chemotherapy drugs, so that the tumor is promoted to be rapidly apoptotic, and the aim of preventing and treating the abdominal cavity metastasis of the tumor cells is finally achieved.

At present, how the perfusion temperature of perfusate is up to standard is heavily ensured to current hot perfusion device of abdominal cavity, nevertheless because the flow of perfusate among the chemotherapy process often causes to drop between structures such as syringe needle or syringe and the skin easily, not only can cause the large amount of hourglass of injection greatly, influences the filling effect to need carry out the secondary contact pin to the patient very likely. In addition, the abdominal cavity is filled the back, all need to derive the perfusate again, and present all is the perfusion hole and exports the hole and insert the needle respectively, if above-mentioned problem that drops appears, then can carry out the contact pin many times to the patient, causes patient's treatment misery, reduces patient's comfort, has also increased medical personnel work load.

In addition, after the heated medicine enters the body of the patient, the abdominal cavity of the patient cannot be completely filled, the liquid medicine cannot be completely contacted with the abdominal wall of the patient, and the optimal treatment effect cannot be achieved.

Based on the above problems, we have designed a thermal perfusion chemotherapy device for abdominal cavity to solve the above problems.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a thermal perfusion chemotherapy device for abdominal cavity.

In order to achieve the purpose, the invention adopts the following technical scheme:

an abdominal cavity thermal perfusion chemotherapy device comprises an abdominal pressure belt, an injector assembly and a bed body, wherein the injector assembly is arranged on the abdominal pressure belt, the bed body is used for the back of a patient to lie on, and the bed body can drive the patient to move back and forth;

the injector component comprises an injection tube and an infusion tube, the injection tube is fixed through a mounting plate, the infusion tube is mounted at the top of the injection tube, one side of the injection tube is connected with a liquid return tube, the inlet of the injection tube is connected with a liquid storage tank, the outlet of the liquid return tube is connected with a waste liquid tank, a heating device for adding liquid medicine is arranged on the infusion tube, and a metering pump is arranged on the infusion tube;

the bed body includes arc bed board, bedstead and support, the arc bed board slides and sets up on the bedstead, the bottom of arc bed board is provided with the arc rack, be provided with servo motor on the bedstead, be connected with in servo motor's the pivot with arc rack toothing's gear, servo motor drive gear rotates, drives arc bed board swing back and forth, the bedstead slides and sets up on the support, be provided with the driving piece on the support, the driving piece drives the bedstead and slides on the support straight line is reciprocal.

The invention is further arranged in that slide rails are arranged at two ends of the top of the bed body, and slide rails matched with the slide rails are arranged on the arc bed board.

The invention is further provided that the driving member is any one of a screw assembly, a cylinder or an electric cylinder.

The invention is further provided with a sliding block at the bottom of the bed body, and a sliding strip matched with the sliding block in a sliding way is arranged at the top of the support.

The invention is further arranged that the waste liquid tank is communicated with the liquid storage tank, a filtering piece is arranged between the waste liquid tank and the liquid storage tank, and liquid in the waste liquid tank flows to the liquid storage tank in a one-way mode.

The invention is further provided that the liquid return pipe is provided with a one-way valve.

The invention is further arranged in that two ends of the abdominal press belt are fixedly connected with the top of the abdominal press belt through the snap fastener structure.

The invention is further provided that the inner surface of the mounting plate is provided with a sticking ring, and one side of the sticking ring, which is far away from the mounting plate, is provided with a spongy cushion which is contacted with the skin of the patient.

The invention is further provided that the liquid return pipe is provided with an extrusion pump.

The invention is further configured such that the heating device is an adjustable electrical heating device.

Compared with the prior art, the invention has the beneficial effects that:

the automatic hot infusion treatment device can realize automatic hot infusion treatment after being started, the injection tube is fixed, the dropping in the infusion process is prevented, only one infusion tube is used for inserting the needle, a secondary needle is not needed, the problem of multiple needle inserting for a patient in the prior art is effectively solved, the comfort level and the chemotherapy effect of the patient in the chemotherapy process are improved, and the practicability is high. In addition, drive the patient through the bed body and control swing back and forth to and drive the patient back-and-forth movement, the cooperation heat is filled and is fully made the complete contact between liquid medicine and the abdominal cavity wall of patient, does not need medical personnel too much participation, alleviates medical personnel's burden.

Drawings

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

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an exploded view of the bed of the present invention;

FIG. 4 is a side view of the bed of the present invention.

In the figure: 1. abdominal press belts; 2. a syringe assembly; 21. an injection tube; 22. a transfusion tube; 23. mounting a plate; 24. a liquid return pipe; 25. a liquid storage tank; 26. a waste liquid tank; 27. a metering pump; 3. a bed body; 31. an arc bed board; 32. a bed frame; 33. a support; 34. an arc-shaped rack; 35. a gear; 36. a servo motor; 37. a drive member; 4. a heating device; 5. a slide rail; 6. a slideway; 7. a slider; 8. a slide bar; 9. a filter member; 10. a one-way valve; 20. sticking a ring; 30. a sponge cushion; 40. an extrusion pump; 50. the wheel is moved.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

The invention discloses an abdominal cavity hot perfusion chemotherapy device.

As shown in fig. 1 to 4, an abdominal cavity hot perfusion chemotherapy device comprises an abdominal pressure belt 1, an injector component 2 and a bed body 3, wherein the injector component 2 is installed on the abdominal pressure belt 1, the bed body 3 is used for a patient to lie on the back, and the bed body 3 can drive the patient to move back and forth.

As shown in fig. 1 and 2, in detail, the syringe assembly 2 includes a syringe 21 and a perfusion tube 22, the syringe 21 is fixed on the abdominal pressure belt 1 through a mounting plate 23, the perfusion tube 22 is fixedly inserted and mounted on the top of the syringe 21, a liquid return tube 24 is fixedly inserted and mounted on the side wall of the syringe 21, and the liquid return tube 24 is disposed near the syringe 21.

In addition, the inlet of the liquid injection pipe is fixedly connected with a liquid storage tank 25, the outlet of the liquid return pipe 24 is fixedly connected with a waste liquid tank 26, the infusion pipe 22 is provided with a heating device 4 for adding liquid medicine, the infusion pipe 22 is communicated with a metering pump 27, and the metering pump is used for metering the liquid medicine filled in the abdominal cavity of the patient, so that the liquid medicine is ensured to be accurately injected into the body of the patient.

When the waste liquid tank is used, waste in the waste liquid tank 26 is directly discharged to cause serious waste, and the waste can be recycled through treatment.

As shown in fig. 1, a filter element 9 is therefore connected between the waste tank 26 and the reservoir 25, the filter element 9 generally serving to filter out impurities from the liquid in the waste tank 26. In actual use, the bottom of the waste liquid tank 26 is higher than the top of the liquid storage tank 25, a valve body is arranged on a pipeline for communicating the waste liquid tank 26 with the liquid storage tank 25, and liquid medicine treated by the filtering piece 9 flows through the valve body.

Thus arranged, the syringe assembly 2 constitutes a circulation arrangement for the flow of treated fluid from the waste tank 26 to the infusion tank when required.

In the present invention, the filtering elements 9 can be selected as a filtering structure with a paper filter element, and certainly, for the convenience of practical use, the number of the filtering elements 9 can be selected as two, and the two filtering elements 9 are arranged in parallel, and one filtering element is used for another.

As shown in fig. 1, a check valve 10 is fixedly installed on the liquid return pipe 24, and the check valve 10 prevents the liquid in the waste liquid tank 26 from flowing back to the patient. An extrusion pump 40 is fixedly arranged on the liquid return pipe 24, and after the liquid medicine is remained in the abdominal cavity of the patient for a period of time, the liquid medicine is pumped into the waste liquid tank 26 by the power provided by the extrusion pump 40.

As shown in fig. 1, the heating device 4 is an adjustable electric heating device 4, the electric heating device 4 is a cavity and an electric heating wire located in the cavity, and the infusion tube 22 passes through the cavity. The heating device 4 continuously heats the liquid medicine in the infusion tube 22, so as to ensure the temperature of the liquid medicine to be continuously constant and ensure the treatment effect.

In addition, the heating device 4 may be provided as a heat exchanger, and the heating device 4 may have other structures, which will not be described in detail herein.

As shown in fig. 1 and 2, a sticking ring 20 is mounted on the inner surface of the mounting plate 23, and a sponge pad 30 which is in contact with the skin of the patient is stuck to the side of the sticking ring 20 away from the mounting plate 23. When in use, the structure increases the comfort level of the patient.

In the invention, two ends of the abdominal pressure belt 1 are fixedly connected with the top of the abdominal pressure belt 1 through a snap fastener structure.

As shown in fig. 3 and 4, the bed 3 includes an arc-shaped bed board 31, a bed frame 32 and a bracket 33.

The bottom of arc bed board 31 and the top looks adaptation of bedstead 32, the top of arc bed board 31 is flat for the flat use of lying of confession patient, and arc bed board 31 slides and installs on bedstead 32, and the bottom of arc bed board is fixed with arc rack 34, and the below meshing of arc rack 34 has gear 35, fixedly connected with servo motor 36 on the gear 35, and servo motor 36 links to each other with the reduction gear, reduces gear 35's rotational speed, and servo motor 36 passes through the support to be fixed in the bottom at bedstead 32. An avoiding groove for avoiding the arc-shaped rack 34 is formed in the bed frame 32, and after the servo motor 36 is started, the drive gear 35 rotates to drive the arc-shaped bed plate 31 to swing back and forth.

The frame 32 is slidably mounted on the top of the frame 33, and the frame 33 is mounted with a driving member 37, the driving member 37 drives the frame 32 to linearly reciprocate on the frame 33.

Above structure, the patient lies behind bed body 3, drives patient front and back rectilinear motion, horizontal hunting simultaneously for fill between the liquid medicine abundant and the patient's the abdominal cavity wall complete contact.

As shown in fig. 3, in the present invention, sliding rails 5 are fixed at two ends of the top of the bed body 3, the fixing mode can be a welding or bolt fixing mode, and a sliding track 6 in sliding fit with the sliding rails 5 is disposed on the arc bed board 31, so that the arc bed board 31 can stably swing on the bed frame 32.

Continuing as shown in fig. 3, a sliding block 7 is fixed at the bottom of the bed body 3, the fixing mode can be a welding or bolt fixing mode, a T-shaped groove is formed in the sliding block 7, a sliding strip 8 is fixed at the top of the support 33, the top of the sliding strip 8 is arranged in a T shape, and the sliding block 7 is in sliding fit with the sliding strip 8. Wherein, the number of the sliding blocks 7 is four, and the sliding blocks are evenly distributed at the bottom of the bed frame 32.

As further shown in fig. 3, in the present invention, the driving member 37 is any one of a lead screw assembly, an air cylinder or an electric cylinder. In practice, the driving member 37 is selected as a lead screw assembly, and the four-cylinder assembly is an existing structure, which will not be described in detail herein. The base body of the screw assembly is fixedly arranged at the top of the bracket 33, the sliding part of the screw assembly is fixed with the bedstead 32, and the bedstead 32 is driven by the screw assembly to stably slide on the bracket 33.

As shown in FIG. 3, moving wheels 50 are fixed at the four corners of the bottom of the support 33 to facilitate easy and convenient movement of the bed 3. Preferably, the moving wheels 50 are self-locking universal wheels, so that the bed body 3 can move freely and the position of the bed body 3 can be locked.

In the invention, when the bed body 3 is designed, generally, a plurality of servo motors 36 and PLC control or cylinder control mode is adopted to realize the conversion of a plurality of different processes, although the electricity is more and more stable at the present stage, certain radiation is carried on the body of some radiotherapy patients, and radiation superposition may influence the control of the PLC on the equipment, so that the instruction of the PLC fails.

Therefore, the invention adopts a pure mechanical structure for driving and controlling, has better reliability, ensures the reliability, can accurately realize perfect switching among different states, reduces the participation of medical personnel, and can ensure the treatment effect of the thermal perfusion chemotherapy.

The invention is further arranged that the specific implementation principle of the invention is as follows:

the automatic hot infusion device can realize automatic hot infusion treatment after being started, the injection tube 21 is fixed to prevent falling off in the infusion process, only one infusion tube is used for inserting the needle, secondary needle inserting is not needed, the problem of repeated needle inserting for a patient in the prior art is effectively solved, the comfort level and the chemotherapy effect of the patient in the chemotherapy process are improved, and the practicability is high. In addition, when carrying out hot perfusion chemotherapy to the patient, bed board 2 can swing and change patient's position, increases the contact surface of liquid medicine and its abdominal wall, makes the liquid medicine effect realize the maximize, avoids the waste of liquid medicine.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The abdominal cavity thermal perfusion chemotherapy device is characterized by comprising an abdominal pressure belt (1), an injector component (2) and a bed body (3), wherein the injector component (2) is arranged on the abdominal pressure belt (1), the bed body (3) is used for the back of a patient to lie on, and the bed body (3) can drive the patient to move back and forth;

the injector component (2) comprises an injection tube (21) and an infusion tube (22), the injection tube (21) is fixed through a mounting plate (23), the infusion tube (22) is mounted at the top of the injection tube (21), one side of the injection tube (21) is connected with a liquid return tube (24), the inlet of the injection tube is connected with a liquid storage tank (25), the outlet of the liquid return tube (24) is connected with a waste liquid tank (26), the infusion tube (22) is provided with a heating device (4) for adding liquid medicine, and the infusion tube (22) is provided with a metering pump (27);

the bed body (3) comprises an arc-shaped bed board (31), a bed frame (32) and a support (33), the arc-shaped bed board (31) is arranged on the bed frame (32) in a sliding mode, an arc-shaped rack (34) is arranged at the bottom of the arc-shaped bed board, a servo motor (36) is arranged on the bed frame (32), a gear (35) meshed with the arc-shaped rack (34) is connected to a rotating shaft of the servo motor (36), the servo motor (36) drives the gear (35) to rotate to drive the arc-shaped bed board (31) to swing back and forth, the bed frame (32) is arranged on the support (33) in a sliding mode, a driving piece (37) is arranged on the support (33), and the driving piece (37) drives the bed frame (32) to slide on the support (33) in a linear reciprocating mode.

2. The intraperitoneal thermal perfusion chemotherapy device according to claim 1, wherein slide rails (5) are arranged at two ends of the top of the bed body (3), and a slide way (6) matched with the slide rails (5) is arranged on the arc-shaped bed plate (31).

3. The intraperitoneal thermal perfusion chemotherapy device according to claim 1, wherein the driving member (37) is any one of a lead screw assembly, a pneumatic cylinder or an electric cylinder.

4. The intraperitoneal thermal perfusion chemotherapy device according to claim 3, wherein a slide block (7) is arranged at the bottom of the bed body (3), and a slide bar (8) which is matched with the slide block (7) in a sliding way is arranged at the top of the bracket (33).

5. The intraperitoneal thermal perfusion chemotherapy device as claimed in claim 1, wherein the waste liquid tank (26) is communicated with the liquid storage tank (25), a filter element (9) is arranged between the waste liquid tank (26) and the liquid storage tank (25), and liquid in the waste liquid tank (26) flows to the liquid storage tank in a unidirectional mode.

6. The intraperitoneal thermal perfusion chemotherapy device according to claim 1, wherein a one-way valve (10) is arranged on the liquid return pipe (24).

7. The intraperitoneal thermal perfusion chemotherapy device as claimed in claim 1, wherein two ends of the abdominal pressure belt (1) are fixedly connected with the top of the abdominal pressure belt (1) through snap fastener structures.

8. An intraperitoneal thermal perfusion chemotherapy device according to claim 7, wherein the inner surface of the mounting plate (23) is provided with a patch ring (20), and a sponge pad (30) contacted with the skin of the patient is arranged on the side of the patch ring (20) facing away from the mounting plate (23).

9. The intraperitoneal thermal perfusion chemotherapy device according to claim 1, wherein the liquid return pipe (24) is provided with a squeezing pump (40).

10. A thermal intraperitoneal perfusion chemotherapy device according to claim 1, wherein the heating device (4) is an adjustable electric heating device (4).