CN215384468U

CN215384468U - Bone marrow puncture needle for hematology department

Info

Publication number: CN215384468U
Application number: CN202121037028.4U
Authority: CN
Inventors: 张宏宝
Original assignee: Jiangsu Yema Software Technology Co ltd
Current assignee: Jiangsu Yema Software Technology Co ltd
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2022-01-04
Anticipated expiration: 2031-05-14

Abstract

The utility model discloses a hematology department bone marrow puncture needle, which relates to the field of medical appliances, and comprises an inserting needle tube, a sterilization box, a clamping ring, two positioning devices, a linkage device and a graduated scale; the inserting needle tube penetrates through the sterilization box and is in sliding connection with the sterilization box, the two positioning devices are respectively fixed on two sides of the sterilization box, the clamping ring is hinged to the positioning devices, the bottom of the linkage device is fixed on the clamping ring, the top of the linkage device is connected with the inserting needle tube and the graduated scale, and the bottom of the graduated scale is fixed on the top of the positioning devices. According to the utility model, the clamping ring can clamp a patient to prevent the puncture needle from sliding, the length of the puncture needle can be determined according to different patients through the arrangement of the linkage device and the graduated scale, unnecessary injuries such as too deep needle tube entering or perforation are avoided, meanwhile, the clamping force of the clamping ring can be driven, and the clamping ring clamp is prevented from being too tight or too loose.

Description

Bone marrow puncture needle for hematology department

Technical Field

The utility model relates to the field of medical appliances, in particular to a bone marrow puncture needle for hematology department.

Background

Bone marrow aspiration is a common diagnostic technique for collecting bone marrow fluid, and is also commonly used for blood cell morphology examination in clinic, hematopoietic stem cell collection, culture, cytogenetic analysis, pathogenic biology examination and the like.

Medical personnel can not observe how long the needle tube enters the human body in time, and unnecessary injuries such as too deep needle tube entering or perforation are easily caused, so that infection is easy to occur, and doctors with many clinical experiences can operate the needle tube.

Therefore, it is necessary to provide a bone marrow puncture needle for hematology to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bone marrow puncture needle for hematology department, which solves the problems that medical staff in the background technology can not observe how long a needle tube enters a human body in time, unnecessary injuries such as too deep needle tube entering or perforation are easy to cause, infection is easy to occur, and operation can be performed by doctors with a large clinical experience.

In order to achieve the purpose, the utility model provides the following technical scheme: a bone marrow puncture needle for hematology department comprises an inserting needle tube, a sterilization box, a clamping ring, two positioning devices, a linkage device and a graduated scale;

the inserting needle tube penetrates through the sterilization box and is in sliding connection with the sterilization box, the two positioning devices are respectively fixed on two sides of the sterilization box, the clamping ring is hinged on the positioning devices, the bottom of the linkage device is fixed on the clamping ring, the top of the linkage device is connected with the inserting needle tube and the graduated scale, and the bottom of the graduated scale is fixed on the top of the positioning devices;

the linkage device comprises a pointer, a lifting plate, two first positioning frames and a pull rope;

the lifting plate is connected to the graduated scale in a vertical sliding mode, the two first positioning frames are fixed to two ends of the bottom of the first positioning frames respectively, the pointer is fixed to the first positioning frames and corresponds to the graduated scale, and two ends of the pull rope are fixed to the clamping ring and the first positioning frames respectively.

Optionally, the inserting needle tube comprises a needle hole, a handle and a needle tube;

the needle tube slides up and down on the lifting plate and the sterilization box, the handle is fixed at the top of the needle tube, and the needle hole is formed in the lower portion of the needle tube.

Optionally, the sterilizing box comprises a box body and a cover plate;

the cover plate is fixed at the opening at the top of the box body, and the box body and the cover plate are both in sliding connection with the needle tube.

Optionally, the sterilization box further comprises a plurality of germicidal lamps;

a plurality of bactericidal lamp from top to bottom installs the inside wall at the box body.

Optionally, the positioning device comprises a positioning block, a frame plate and a coil spring;

the positioning block is fixed on the box body, the frame plate is fixed at the bottom of the positioning block, and two ends of the coil spring are respectively fixed with the frame plate and the clamping ring.

Optionally, the clamping ring comprises a suction cup, a second positioning frame and a ring body;

the ring body articulates on the frame plate, the sucking disc is fixed in the inboard of ring body, the outside at the ring body is fixed to the second locating rack.

The utility model has the technical effects and advantages that:

1. the utility model can clamp patients through the arrangement of the clamping ring and prevent the puncture needle from sliding, can determine the length of the puncture needle according to different patients through the arrangement of the linkage device and the graduated scale, avoids unnecessary injuries such as too deep needle tube entering or perforation and the like, can drive the clamping force of the clamping ring at the same time, prevents the clamping ring from being too tight or too loose, and ensures the fixation of the clamping ring and the graduated scale through the positioning device.

Drawings

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

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the interior of the sterilization case structure according to the present invention;

FIG. 4 is a schematic structural diagram of a positioning device according to the present invention.

In the figure: 1. inserting needle tubes; 11. a pinhole; 12. a handle; 13. a needle tube; 2. a sterilization box; 21. a box body; 22. a cover plate; 23. a germicidal lamp; 31. positioning blocks; 32. a frame plate; 33. a coil spring; 42. pulling a rope; 43. a first positioning frame; 44. a pointer; 45. a lifting plate; 5. a graduated scale; 61. a suction cup; 62. a second positioning frame; 63. a ring body.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a bone marrow puncture needle for hematology department as shown in figures 1-4, which comprises an inserting needle tube (1), a sterilization box (2), a clamping ring, two positioning devices, a linkage device and a graduated scale (5);

the puncture needle tube (1) penetrates through the sterilization box (2) and is in sliding connection with the sterilization box, the two positioning devices are respectively fixed on two sides of the sterilization box (2), the clamping ring is hinged to the positioning devices, the bottom of the linkage device is fixed on the clamping ring, the top of the linkage device is connected with the puncture needle tube (1) and the graduated scale (5), a patient can be clamped through the clamping ring, the puncture needle is prevented from sliding, the length of the puncture needle can be determined according to different patients through the linkage device and the graduated scale (5), unnecessary injuries such as over-deep needle tube entering or perforation and the like are avoided, meanwhile, the clamping force of the clamping ring can be driven, over-tight or over-loose clamping of the clamping ring clamp is prevented, the bottom of the graduated scale (5) is fixed on the top of the positioning device, and the fixation of the clamping ring and the graduated scale (5) is guaranteed through the positioning device.

In some embodiments of the utility model, the linkage device comprises a pointer (44), a lifting plate (45), two first positioning brackets (43) and a pull rope (42);

the lifting plate (45) is connected to the graduated scale (5) in a vertically sliding mode, the two first positioning frames (43) are fixed to two ends of the bottom of each first positioning frame (43) respectively, fixing of a pointer (44) and a pull rope (42) can be guaranteed through setting of the first positioning frames (43), the pointer (44) is fixed to the first positioning frames (43) and corresponds to the graduated scale (5), the insertion depth of the needle tube (1) to be inserted is determined through the position, pointed to the graduated scale (5), of the pointer (44), two ends of the pull rope (42) are fixed to the clamping ring and the first positioning frames (43) respectively, and linkage of the lifting plate (45) and the clamping ring is facilitated through setting of the pull rope (42).

In some embodiments of the utility model, the penetrating needle tube (1) comprises a needle hole (11), a handle (12) and a needle tube (13);

needle tubing (13) slide from top to bottom on lifter plate (45) and degerming box (2), handle (12) are fixed at the top of needle tubing (13), prescribe a limit to the home range of needle tubing (13) through the setting of lifter plate (45) and handle (12), pinhole (11) are seted up in the lower part of needle tubing (13), have made things convenient for the hematopoietic stem cell to gather through setting up of pinhole (11).

In some embodiments of the utility model, the sterilization case (2) comprises a case body (21), a plurality of germicidal lamps (23) and a cover plate (22);

apron (22) are fixed at the open-top department of box body (21), through the opening of setting up box body (21) of apron (22), make things convenient for the inside clearance of box body (21), box body (21) and apron (22) all with needle tubing (13) sliding connection, a plurality of bactericidal lamp (23) are installed at the inside wall of box body (21) from top to bottom, can carry out germicidal treatment to needle tubing (13) through setting up of bactericidal lamp (23).

In some embodiments of the utility model, the positioning device comprises a positioning block (31), a frame plate (32) and a coil spring (33);

the positioning block (31) is fixed on the box body (21), the frame plate (32) is fixed at the bottom of the positioning block (31), two ends of the coil spring (33) are fixed with the frame plate (32) and the clamping ring respectively, the initial state of the coil spring (33) is in a non-force-storing state, the clamping ring can be driven to rotate through the arrangement of the coil spring (33), and the clamping ring bag is in contact with the skin.

In some embodiments of the utility model, the clamping ring comprises a suction cup (61), a second spacer (62) and a ring body (63);

the ring body (63) articulates on frame plate (32), sucking disc (61) are fixed in the inboard of ring body (63), can adsorb skin through sucking disc (61) and fix a position, second locating rack (62) are fixed in the outside of ring body (63), are connected stay cord 42 and ring body (63) through second locating rack (62).

During the use, position through different patient adjustment lifter plate (45), when patient is fat relatively, the lifter plate 45 slides down, the lifter plate 45 will drive the top decline of pointer 44 and stay cord 42, when the top of stay cord 42 descends, the tight angle of clamp of ring body 63 will increase, avoid adding not tight outside flesh skin of patient and rock, because the high decline of lifter plate 45, the depth of pricking of needle tubing 13 also follows the deepening, when patient is lean relatively, the lifter plate 45 that slides up, the top of stay cord 42 will rise, the rotation angle of ring body 63 will diminish, make the better absorption skin of sucking disc 61.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a hematology department bone marrow pjncture needle, includes to alternate needle tubing (1), degerming box (2), its characterized in that: the device also comprises a clamping ring, two positioning devices, a linkage device and a graduated scale (5);

the inserting needle tube (1) penetrates through the sterilization box (2) and is in sliding connection with the sterilization box, the two positioning devices are respectively fixed on two sides of the sterilization box (2), the clamping ring is hinged to the positioning devices, the bottom of the linkage device is fixed on the clamping ring, the top of the linkage device is connected with the inserting needle tube (1) and the graduated scale (5), and the bottom of the graduated scale (5) is fixed on the top of the positioning devices;

the linkage device comprises a pointer (44), a lifting plate (45), two first positioning frames (43) and a pull rope (42);

the lifting plate (45) is connected to the graduated scale (5) in a vertically sliding mode, the two first positioning frames (43) are fixed to two ends of the bottom of each first positioning frame (43) respectively, the pointer (44) is fixed to the first positioning frames (43) and corresponds to the graduated scale (5), and two ends of the pull rope (42) are fixed to the clamping ring and the first positioning frames (43) respectively.

2. A hematological bone marrow puncture needle according to claim 1, wherein:

the inserting needle tube (1) comprises a needle hole (11), a handle (12) and a needle tube (13);

the needle tube (13) slides up and down on the lifting plate (45) and the sterilization box (2), the handle (12) is fixed at the top of the needle tube (13), and the needle hole (11) is formed in the lower part of the needle tube (13).

3. A hematological bone marrow puncture needle according to claim 1, wherein:

the sterilization box (2) comprises a box body (21) and a cover plate (22);

the cover plate (22) is fixed at the opening at the top of the box body (21), and the box body (21) and the cover plate (22) are both connected with the needle tube (13) in a sliding manner.

4. A hematological bone marrow puncture needle according to claim 1, wherein:

the sterilization box (2) also comprises a plurality of sterilizing lamps (23);

a plurality of bactericidal lamp (23) from top to bottom installs the inside wall at box body (21).

5. A hematological bone marrow puncture needle according to claim 1, wherein:

the positioning device comprises a positioning block (31), a frame plate (32) and a coil spring (33);

the positioning block (31) is fixed on the box body (21), the frame plate (32) is fixed at the bottom of the positioning block (31), and two ends of the coil spring (33) are respectively fixed with the frame plate (32) and the clamping ring.

6. A hematological bone marrow puncture needle according to claim 1, wherein:

the clamping ring comprises a suction cup (61), a second positioning frame (62) and a ring body (63);

the ring body (63) is hinged to the frame plate (32), the sucker (61) is fixed to the inner side of the ring body (63), and the second positioning frame (62) is fixed to the outer side of the ring body (63).