CN116603125A

CN116603125A - Blood drainage device

Info

Publication number: CN116603125A
Application number: CN202310868367.4A
Authority: CN
Inventors: 宋奎良; 许晓丹; 张明帅; 巩智慧; 巩树强; 岳林
Original assignee: Shangdong Zhongbaokang Medical Devices Co ltd
Current assignee: Shangdong Zhongbaokang Medical Devices Co ltd
Priority date: 2023-07-17
Filing date: 2023-07-17
Publication date: 2023-08-18

Abstract

The invention discloses a blood drainage device, which relates to the technical field of medical instruments and comprises a limiting plate, wherein one surface of the upper end of the limiting plate is rotatably provided with a drainage puncture regulator, one side of the upper end of the limiting plate is rotatably provided with an adjusting knob, the inside of the upper end of the limiting plate is provided with a containing cavity, the inside of the containing cavity is rotatably provided with a worm wheel, one end of the adjusting knob is connected with a worm at the inner position of the containing cavity, the worm is meshed with the worm wheel, the drainage puncture regulator comprises a limiting seat, the worm wheel is connected with the limiting seat through a shaft, the upper part of the limiting seat is provided with a servo motor, the output shaft of the servo motor is connected with a screw rod at the lower position of the limiting seat, the outside of the screw rod is rotatably connected with an L-shaped seat through threads, and the lower end of the L-shaped seat is provided with a limiting sleeve. This blood drainage device can replace the manual work to accomplish automatic puncture drainage operation, and then can guarantee the stability in the puncture to make blood drainage's more smooth and easy.

Description

Blood drainage device

Technical Field

The invention relates to the technical field of medical instruments, in particular to a blood drainage device.

Background

Hemodialysis is a main treatment means for uremic patients, and the hemodialysis must be conducted by taking in-vivo blood out of the body, treating the blood by a hemodialysis machine, and then infusing the purified blood into the body, and clinical hemodialysis is generally conducted three to four times per week.

However, when the current blood drainage is performed on a patient, an artificial drainage mode is generally adopted, a puncture needle is penetrated into the body of the patient, then blood is drained out of the body, but the artificial drainage mode is poor in stability, particularly, drainage is performed at different angles, and when the patient works for a long time, the hand of a medical staff can be tired, so that a device capable of automatically performing the blood drainage on the patient needs to be developed.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the blood drainage device, which solves the problems that the current manual blood drainage work is carried out on a patient, the stability is poor, and the hand of medical staff is tired when the medical staff works for a long time.

In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a blood drainage device, includes the limiting plate, the upper end one side of limiting plate rotates and is provided with drainage puncture regulator, and the upper end one side of limiting plate rotates and is provided with adjust knob, and the upper end inside of limiting plate is provided with holds the chamber, holds the inside rotation in chamber and is provided with the worm wheel, and adjust knob's one end is located the inside position department that holds the chamber and is connected with the worm, and the worm meshes with the worm wheel.

The drainage puncture regulator comprises a limit seat, the worm wheel is connected with the limit seat through a shaft, a servo motor is arranged on the upper portion of the limit seat, a screw is connected to the position, below the limit seat, of an output shaft of the servo motor, an L-shaped seat is screwed on the outside of the screw through threads, and a limit sleeve is arranged at the lower end of the L-shaped seat.

Preferably, the lower extreme of limiting plate is kept away from the one side of drainage puncture regulator and is provided with the base, and the upper portion of base is provided with the standing groove, has placed in the standing groove and has stored up blood spare, stores up blood spare including storing up the blood bottle, and one side of storing up the blood bottle is provided with the bloodletting mouth, and stores up the upper portion of blood bottle and alternates there is the drainage head, is provided with the drainage spare between drainage head and the stop collar.

Preferably, the drainage piece comprises a drainage needle inserted into the drainage head, the upper end of the drainage needle is connected with a drainage tube, the other end of the drainage tube is provided with a fixed tube, and the fixed tube penetrates through the limiting sleeve and is connected with a puncture needle.

Preferably, a fastening bolt for fixing the fixed pipe is screwed into one side of the limiting sleeve through threads.

Preferably, the lower part of the limiting seat is connected with a limiting rod far away from the screw rod, the upper part of the L-shaped seat is provided with a guide groove matched with the limiting rod, and the limiting rod is inserted into the guide groove in a sliding manner.

Preferably, the drainage head comprises a limit cylinder, an interlayer is arranged inside the upper end of the limit cylinder, a limit groove is formed in the position, below the interlayer, of the inner wall of the limit cylinder, a first magnet plate is slidably mounted in the limit groove, the first magnet plate is connected with the inner top side of the limit groove through a first spring, a through groove corresponding to the drainage needle is formed in the upper portion of the first magnet plate, the lower end of the drainage needle is conical, and the outer diameter of the conical upper end is larger than the inner diameter of the through groove.

Preferably, one side of the limiting cylinder is connected with a limiting block at the inner position of the blood storage bottle, the lower part of the limiting block is connected with a limiting shaft, a guide sleeve is arranged on the outer sliding sleeve of the limiting shaft, a second spring is sleeved between the limiting block and the guide sleeve, two ends of the second spring are connected with the limiting block and the guide sleeve respectively, and one side of the guide sleeve is connected with a second magnet plate.

Preferably, the magnetism of the lower part of the first magnet plate is the same as that of the upper part of the second magnet plate, and when the first spring and the second spring are in a reset state, the second magnet plate just blocks the lower end of the limiting cylinder, and at the moment, no repulsive force exists between the first magnet plate and the second magnet plate.

The invention provides a blood drainage device, which has the following beneficial effects compared with the prior art:

1. this blood drainage device can replace the manual work to accomplish automatic puncture drainage operation, and then can guarantee the stability in the puncture, reduces medical personnel's working strength to make blood drainage's more smooth and easy, and during the puncture, can conveniently adjust the angle of pjncture needle, thereby can realize the puncture work of different angles.

2. This blood drainage device, when the drainage, after the drainage needle inserts the drainage head in, utilize the magnetism of two magnet boards, can give spacing section of thick bamboo and open to make blood be drained into the storage bottle, after the drainage needle is pulled out, utilize the elasticity of spring, can make the magnet board get back to initial position, thereby can give the drainage head sealed, prevent that the air from entering into the storage bottle and having caused the pollution to blood.

Drawings

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

FIG. 2 is a schematic view of the structure of the drainage puncture regulator of the present invention;

FIG. 3 is a schematic view of the internal structure of the chamber of the present invention;

FIG. 4 is a schematic view of the structure of the drainage head of the present invention;

fig. 5 is a schematic view of the structure of the drainage head after being opened.

In the figure: 1. a limiting plate; 2. a drainage puncture regulator; 21. a limit seat; 22. a servo motor; 23. a screw; 24. an L-shaped seat; 25. a limit sleeve; 26. a fastening bolt; 27. a limit rod; 3. an adjustment knob; 4. a cavity; 5. a worm wheel; 6. a worm; 7. a base; 8. a blood storage member; 81. a blood storage bottle; 82. a blood discharge port; 83. a drainage head; 831. a limiting cylinder; 832. an interlayer; 833. a limit groove; 834. a first magnet plate; 835. a first spring; 836. a limiting block; 837. a limiting shaft; 838. a guide sleeve; 839. a second spring; 8310. a second magnet plate; 8311. a through groove; 9. a drainage member; 91. a drainage needle; 92. a drainage tube; 93. a fixed tube; 94. a puncture needle.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-5, the present invention provides two technical solutions:

example 1

Referring to fig. 1 and 3, in the embodiment of the invention, the blood drainage device comprises a limiting plate 1, a drainage puncture regulator 2 is rotatably arranged on one surface of the upper end of the limiting plate 1, an adjusting knob 3 is rotatably arranged on one side of the upper end of the limiting plate 1, a cavity 4 is arranged in the upper end of the limiting plate 1, a worm wheel 5 is rotatably arranged in the cavity 4, a worm 6 is connected to one end of the adjusting knob 3, which is positioned in the cavity 4, and the worm 6 is meshed with the worm wheel 5.

Referring to fig. 2, in the embodiment of the invention, the drainage puncture regulator 2 includes a limit seat 21, a worm wheel 5 is connected with the limit seat 21 through a shaft, a servo motor 22 is arranged at the upper part of the limit seat 21, a screw 23 is connected to the output shaft of the servo motor 22 at the lower position of the limit seat 21, an L-shaped seat 24 is screwed to the outside of the screw 23 through threads, and a limit sleeve 25 is arranged at the lower end of the L-shaped seat 24.

When the blood drainage device is used, the adjusting knob 3 is rotated to drive the worm 6 to rotate, the worm 6 drives the worm wheel 5 meshed with the worm wheel 5 to rotate, the worm wheel 5 drives the limiting seat 21 to rotate, the puncture angle of the puncture needle 94 is adjusted, after the puncture angle is adjusted, the servo motor 22 drives the screw 23 to rotate, the screw 23 drives the L-shaped seat 24 to move, the L-shaped seat 24 can drive the puncture needle 94 to move, and the puncture needle 94 is inserted into a part of a patient needing to be subjected to drainage puncture to conduct blood drainage work.

Referring to fig. 2, in the embodiment of the invention, a base 7 is disposed at a side of the lower end of the limiting plate 1 away from the drainage puncture regulator 2, a placement groove is disposed at an upper portion of the base 7, a blood storage member 8 is disposed in the placement groove, the blood storage member 8 includes a blood storage bottle 81, a blood discharge port 82 is disposed at one side of the blood storage bottle 81, a drainage head 83 is inserted at an upper portion of the blood storage bottle 81, and a drainage member 9 is disposed between the drainage head 83 and the limiting sleeve 25.

Referring to fig. 1, in the embodiment of the present invention, the drainage member 9 includes a drainage needle 91 inserted into the drainage head 83, a drainage tube 92 is connected to the upper end of the drainage needle 91, a fixing tube 93 is disposed at the other end of the drainage tube 92, the fixing tube 93 passes through the limiting sleeve 25 and is connected to a puncture needle 94, and after the drainage needle 91 is inserted into the limiting barrel 831, the fixing tube 93 passes through the limiting sleeve 25.

Referring to fig. 1, in the embodiment of the present invention, a fastening bolt 26 for fixing the fixing tube 93 is screwed into one side of the stop collar 25.

Referring to fig. 2, in the embodiment of the present invention, a limiting rod 27 is connected to a lower portion of the limiting seat 21 away from the screw 23, a guiding groove adapted to the limiting rod 27 is provided on an upper portion of the L-shaped seat 24, the limiting rod 27 is slidably inserted into the guiding groove, and the limiting rod 27 plays a role in limiting movement of the L-shaped seat 24.

The second embodiment is different from the first embodiment in that:

referring to fig. 4-5, in the embodiment of the present invention, the drainage head 83 includes a limiting cylinder 831, a spacer layer 832 is disposed inside an upper end of the limiting cylinder 831, a limiting groove 833 is disposed on an inner wall of the limiting cylinder 831 at a position below the spacer layer 832, a first magnet plate 834 is slidably mounted in the limiting groove 833, the first magnet plate 834 is connected with an inner top side of the limiting groove 833 through a first spring 835, a through groove 8311 corresponding to the drainage needle 91 is disposed on an upper portion of the first magnet plate 834, a lower end of the drainage needle 91 is tapered, and an outer diameter of the tapered upper end is larger than an inner diameter of the through groove 8311.

Referring to fig. 4-5, in the embodiment of the present invention, a limiting block 836 is connected to one side of a limiting cylinder 831 located at an inner position of a blood storage bottle 81, a limiting shaft 837 is connected to a lower portion of the limiting block 836, a guiding sleeve 838 is slidably sleeved outside the limiting shaft 837, a second spring 839 is sleeved outside the limiting shaft 837 and located between the limiting block 836 and the guiding sleeve 838, two ends of the second spring 839 are respectively connected to the limiting block 836 and the guiding sleeve 838, and a second magnet plate 8310 is connected to one side of the guiding sleeve 838.

Referring to fig. 4, in the embodiment of the present invention, the lower magnetism of the first magnet plate 834 is the same as the upper magnetism of the second magnet plate 8310, and when the first spring 835 and the second spring 839 are in the reset state, the second magnet plate 8310 just blocks the lower end of the limiting cylinder 831, so that no repulsive force exists between the first magnet plate 834 and the second magnet plate 8310.

When the magnetic force-limiting device is used, the drainage needle 91 is inserted into the limiting cylinder 831, the drainage needle 91 penetrates through the interlayer 832 and is inserted into the through groove 8311 clamped on the first magnet plate 834, then the drainage needle 91 continues to move downwards, under the elasticity of the first spring 835, the drainage needle 91 can drive the first magnet plate 834 to move downwards, as the lower part of the first magnet plate 834 and the upper part of the second magnet plate 8310 are the same in magnetism, the two can repel each other, when the first magnet plate 834 moves downwards, the second magnet plate 8310 can be repelled, under the elasticity of the second spring 839, the second magnet plate 8310 moves downwards, the lower end of the limiting cylinder 831 is opened, so that when blood is drained, blood can flow into the blood storage bottle 81, after the drainage is finished, the drainage needle 91 is pulled out, after the drainage needle 91 leaves the through groove 8311 on the first magnet plate 834, the first spring 835 can enable the first magnet plate 834 to move upwards, the first magnet plate 834 is reset, the second magnet plate 8310 can repel the second magnet plate 8310, the second magnet plate 839 can move upwards, the second magnet plate 839 can not be blocked, and the second magnet plate 8310 can not move upwards, and the air can not enter the limiting cylinder 81, and the outside can be sealed.

Working principle: the drainage needle 91 is inserted into the limiting cylinder 831, so that the drainage needle 91 penetrates through the interlayer 832 and is inserted into the through groove 8311 clamped on the first magnet plate 834, then the drainage needle 91 continues to move downwards, under the elasticity of the first spring 835, the drainage needle 91 drives the first magnet plate 834 to move downwards, as the lower part of the first magnet plate 834 and the upper part of the second magnet plate 8310 have the same magnetism, the two mutually repel each other, when the first magnet plate 834 moves downwards, the second magnet plate 8310 is repelled, under the elasticity of the second spring 839, the second magnet plate 8310 moves downwards, the lower end of the limiting cylinder 831 is opened, as shown in fig. 4, so that when blood is drained, blood can flow into the blood storage bottle 81, after the drainage is finished, the drainage needle 91 is given off, after the drainage needle 91 leaves the through groove 8311 on the first magnet plate 834, the first spring 835 enables the first magnet plate 834 to move upwards, so that the first magnet plate 834 is reset, when the first magnet plate 834 moves downwards, the second magnet plate 8310 is repelled, under the elasticity of the second magnet plate 839, the elasticity of the second magnet plate 839 is enabled, the lower end of the second magnet plate 8310 is blocked, and the second magnet plate 8310 is not to move upwards, as shown in the figure, the outside is not shown, and the second magnet plate 839 is closed, and the outside is not shown, and the outside is kept in the figure;

after the drainage needle 91 is inserted into the limiting barrel 831, the fixing tube 93 passes through the limiting sleeve 25 and is fixed by the fastening bolt 26, after the fixing, the rotation adjusting knob 3 drives the worm 6 to rotate, the worm 6 drives the worm wheel 5 meshed with the worm 6 to rotate, the worm wheel 5 drives the limiting seat 21 to rotate, the angle of puncture of the puncture needle 94 is adjusted, after the adjustment, the servo motor 22 drives the screw 23 to rotate, the screw 23 drives the L-shaped seat 24 to move, the L-shaped seat 24 drives the puncture needle 94 to move, and the puncture needle 94 is inserted into a part of a patient needing to be subjected to drainage puncture, so that blood drainage work is performed.

And all that is not described in detail in this specification is well known to those skilled in the art.

Claims

1. Blood drainage device, including limiting plate (1), its characterized in that: one surface of the upper end of the limiting plate (1) is rotatably provided with a drainage puncture regulator (2), one side of the upper end of the limiting plate (1) is rotatably provided with an adjusting knob (3), the inside of the upper end of the limiting plate (1) is provided with a containing cavity (4), the inside of the containing cavity (4) is rotatably provided with a worm wheel (5), one end of the adjusting knob (3) is connected with a worm (6) at the inner position of the containing cavity (4), and the worm (6) is meshed with the worm wheel (5);

the drainage puncture regulator (2) comprises a limit seat (21), the worm wheel (5) is connected with the limit seat (21) through a shaft, a servo motor (22) is arranged on the upper portion of the limit seat (21), an output shaft of the servo motor (22) is connected with a screw rod (23) at the lower position of the limit seat (21), an L-shaped seat (24) is screwed on the outer portion of the screw rod (23) through threads, and a limit sleeve (25) is arranged at the lower end of the L-shaped seat (24).

2. The blood drainage device of claim 1, wherein: the lower extreme of limiting plate (1) is kept away from one side of drainage puncture regulator (2) and is provided with base (7), and the upper portion of base (7) is provided with the standing groove, has placed blood storage spare (8) in the standing groove, and blood storage spare (8) are including storing up blood bottle (81), and one side of storing up blood bottle (81) is provided with blood discharge mouth (82), and the upper portion of storing up blood bottle (81) alternates there is drainage head (83), is provided with drainage spare (9) between drainage head (83) and stop collar (25).

3. The blood drainage device of claim 2, wherein: the drainage piece (9) comprises a drainage needle (91) inserted into the drainage head (83), the upper end of the drainage needle (91) is connected with a drainage tube (92), the other end of the drainage tube (92) is provided with a fixed tube (93), and the fixed tube (93) penetrates through the limiting sleeve (25) and is connected with a puncture needle (94).

4. A blood drainage device according to claim 3, wherein: one side of the limiting sleeve (25) is screwed with a fastening bolt (26) for fixing the fixing tube (93) through threads.

5. The blood drainage device of claim 1, wherein: the lower part of the limiting seat (21) is connected with a limiting rod (27) far away from the screw rod (23), the upper part of the L-shaped seat (24) is provided with a guide groove matched with the limiting rod (27), and the limiting rod (27) is inserted into the guide groove in a sliding way.

6. The blood drainage device of claim 2, wherein: the drainage head (83) comprises a limiting cylinder (831), an interlayer (832) is arranged inside the upper end of the limiting cylinder (831), a limiting groove (833) is formed in the position, below the interlayer (832), of the inner wall of the limiting cylinder (831), a first magnet plate (834) is arranged in the limiting groove (833) in a sliding mode, the first magnet plate (834) is connected with the inner top side of the limiting groove (833) through a first spring (835), a through groove (8311) corresponding to the drainage needle (91) is formed in the upper portion of the first magnet plate (834), the lower end of the drainage needle (91) is in a conical shape, and the outer diameter of the upper end of the conical shape is larger than the inner diameter of the through groove (8311).

7. The blood drainage device of claim 6, wherein: one side of a limiting cylinder (831) is connected with a limiting block (836) at the inner position of a blood storage bottle (81), the lower part of the limiting block (836) is connected with a limiting shaft (837), a guide sleeve (838) is sleeved outside the limiting shaft (837) in a sliding manner, a second spring (839) is sleeved outside the limiting shaft (837) between the limiting block (836) and the guide sleeve (838), and two ends of the second spring (839) are respectively connected with the limiting block (836) and the guide sleeve (838), and one side of the guide sleeve (838) is connected with a second magnet plate (8310).

8. The blood drainage device of claim 7, wherein: the lower magnetism of the first magnet plate (834) is the same as the upper magnetism of the second magnet plate (8310), when the first spring (835) and the second spring (839) are in a reset state, the second magnet plate (8310) just blocks the lower end of the limiting cylinder (831), and at the moment, no repulsive force exists between the first magnet plate (834) and the second magnet plate (8310).