CN212913249U

CN212913249U - Hematology specialty bone marrow puncture device

Info

Publication number: CN212913249U
Application number: CN202020790787.7U
Authority: CN
Inventors: 张玉芝
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2021-04-09
Anticipated expiration: 2030-05-13

Abstract

The utility model discloses a hematology department's marrow piercing depth, including the cylinder, cylinder inner seal sliding connection has the closing plate, the upper end fixedly connected with pull rod of closing plate, the upper end of pull rod slides and runs through cylinder and fixedly connected with pull ring, the lower extreme of cylinder seals and rotates and is connected with the syringe needle, the syringe needle external fixation cover is equipped with the rotor plate, the upper end of rotor plate is rotated with the lower extreme of cylinder and is connected, the cylinder overcoat is equipped with the regulating plate and supports the board, be equipped with the adjustment mechanism who is used for adjusting the regulating plate position on the regulating plate, be equipped with on the regulating plate and be used for supporting the board to carry out spacing stop gear. The utility model discloses can just can not be by air pollution to the length of syringe needle.

Description

Hematology specialty bone marrow puncture device

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a hematology department marrow piercing depth.

Background

The bone marrow puncture is a common diagnostic technique adopting bone marrow fluid, and the examination content comprises cytology, protozoa, bacteriology and the like; is suitable for diagnosis, differential diagnosis and treatment follow-up of various blood diseases; increase or decrease in the number of erythrocytes, leukocytes, platelets and morphological abnormalities of unknown origin; the diagnosis and differential diagnosis of fever of unknown origin can be used for bone marrow culture, bone marrow smear for locating parasites, etc.

When the existing bone marrow puncture needle is used, the length of the puncture needle needs to be estimated manually by medical staff and a needle is inserted, the accuracy of the length of the needle is low, and a needle cylinder needs to be additionally arranged on a pillow after the needle is inserted, so that the inside of the needle is in contact with the outside air, and the needle is easily polluted by the air.

Therefore, a bone marrow puncture device for hematology department is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems of lower accuracy rate of the length of the contact pin and easy air pollution in the prior art and providing a bone marrow puncture device for hematology department.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a hematology department marrow piercing depth, includes the cylinder, cylinder inner seal sliding connection has the closing plate, the upper end fixedly connected with pull rod of closing plate, the upper end of pull rod slides and runs through cylinder and fixedly connected with pull ring, the lower extreme of cylinder is sealed to rotate and is connected with the syringe needle, the outer fixed cover of syringe needle is equipped with the rotor plate, the upper end of rotor plate is rotated with the lower extreme of cylinder and is connected, the cylinder overcoat is equipped with the regulating plate and supports the board, be equipped with on the regulating plate and be used for carrying out the adjustment to the regulating plate position adjustment mechanism, be equipped with on the regulating plate and be used for supporting the.

Preferably, the adjusting mechanism comprises grooves arranged on the left side and the right side of the adjusting plate, threaded rods are rotatably connected in the grooves, gears are coaxially and fixedly connected to the outer portions of the two threaded rods, the upper ends of the two threaded rods are rotatably connected with the lower end of the needle through the adjusting plate in a penetrating mode, a rotating ring is rotatably sleeved on the outer portion of the adjusting plate, and tooth grooves meshed with the two gears are formed in the inner side wall of the rotating ring.

Preferably, stop gear includes a plurality of cavitys of setting in the regulating plate, and is a plurality of equal sliding connection has a limiting plate, polylith in the cavity the equal fixedly connected with gag lever post of lower extreme of limiting plate, many the lower extreme of gag lever post all slides and runs through the regulating plate and with the upper end fixed connection who supports the board.

Preferably, the side wall of the whole body of the adjusting plate is provided with anti-skid lines.

Preferably, the rotating plate is just smooth setting to the lateral wall of threaded rod, two other lateral walls of rotating plate are the arc setting and all are equipped with anti-skidding line.

Preferably, two finger rings are fixedly connected to the outer side wall of the needle cylinder.

Compared with the prior art, the beneficial effects of the utility model are that:

by arranging the adjusting mechanism, the rotating ring is rotated to drive the two gears to rotate, the two gears drive the two threaded rods to rotate, and the two threaded rods drive the needle cylinder to move, so that the length of the needle below the rotating ring can be adjusted, and the length of the needle can be adjusted; the inside of the needle does not need to be contacted with the outside air, so that the needle is prevented from being polluted by the air.

The utility model discloses can just can not be by air pollution to the length of syringe needle.

Drawings

FIG. 1 is a front perspective view of a bone marrow puncture device for hematology department according to the present invention;

fig. 2 is a schematic side view of a bone marrow puncture device for hematology department according to the present invention;

fig. 3 is a schematic top view of a rotary plate of the bone marrow puncture device for hematology department according to the present invention.

In the figure: the syringe comprises a syringe 1, a sealing plate 2, a pull rod 3, a pull ring 4, a needle 5, a rotating plate 6, an adjusting plate 7, a butting plate 8, an adjusting mechanism 9, a limiting mechanism 10, a threaded rod 11, a gear 12, a rotating ring 13, a cavity 14, a limiting plate 15, a limiting rod 16 and a ring 17.

Detailed Description

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

Referring to fig. 1-3, a hematology department marrow puncture device, including cylinder 1, sealed sliding connection has closing plate 2 in the cylinder 1, the upper end fixedly connected with pull rod 3 of closing plate 2, the upper end of pull rod 3 slides and runs through cylinder 1 and fixedly connected with pull ring 4, the sealed rotation of the lower extreme of cylinder 1 is connected with syringe needle 5, syringe needle 5 external fixation cover is equipped with rotor plate 6, furthermore, rotor plate 6 is just to being smooth setting to the lateral wall of threaded rod 11, two other lateral walls of rotor plate 6 are the arc setting and all are equipped with anti-skidding line, the upper end of rotor plate 6 is connected with the lower extreme of cylinder 1 rotates, cylinder 1 overcoat is equipped with regulating plate 7 and supports board 8, it needs to notice, the whole body lateral wall of regulating plate 7 all is equipped with anti-skidding line, be equipped with the adjustment mechanism 9 that is used for adjusting the position of regulating plate 7 on the regulating plate 7, it needs to explain, adjustment mechanism 9 all is.

The utility model discloses in, two recess internal rotations are connected with threaded rod 11, two 11 outer equal coaxial fixedly connected with gears 12 of threaded rod, the upper end of two threaded rod 11 all rotates run through regulating plate 7 and with the lower extreme threaded connection of

syringe needle

5, 7 outer rotating sleeve of regulating plate is equipped with swivel becket 13, be equipped with on swivel becket 13's the inside wall with two gear 12 engaged with tooth's socket, be equipped with on the regulating plate 7 and be used for carrying out spacing stop gear 10 to plate 8, it is worth mentioning, stop gear 10 includes a plurality of cavities 14 of setting in regulating plate 7, equal sliding connection has limiting plate 15 in a plurality of cavities 14, the equal fixedly connected with gag lever post 16 of lower extreme of polylith limiting plate 15, the lower extreme of many gag lever posts 16 all slides run through regulating plate 7 and with the upper end fixed connection to plate 8, what need explain, two rings 17 of the lateral wall fixedly.

The utility model discloses when adjusting syringe needle 5 length, rotate swivel 13, swivel 13 drives two gear 12 rotations, and two gear 12 drive two threaded rod 11 rotations, and two threaded rod 11 drive cylinder 1 and remove, can adjust syringe needle 5 length.

The utility model discloses during the use, carry out the contact pin to patient to make to support board 8 and patient skin counterbalance contact, when syringe needle 5 and bone contact, slowly reciprocating rotation rotor plate 6 this moment makes syringe needle 5 bore the bone, until syringe needle 5 insert in the marrow can, then can extract the detection through pull rod 3 to the marrow.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A bone marrow puncture device for hematology department comprises a needle cylinder (1) and is characterized in that a sealing plate (2) is connected in the needle cylinder (1) in a sealing and sliding way, the upper end of the sealing plate (2) is fixedly connected with a pull rod (3), the upper end of the pull rod (3) penetrates through the needle cylinder (1) in a sliding way and is fixedly connected with a pull ring (4), the lower end of the needle cylinder (1) is hermetically and rotationally connected with a needle head (5), a rotating plate (6) is fixedly sleeved outside the needle head (5), the upper end of the rotating plate (6) is rotationally connected with the lower end of the needle cylinder (1), an adjusting plate (7) and a resisting plate (8) are sleeved outside the needle cylinder (1), an adjusting mechanism (9) for adjusting the position of the adjusting plate (7) is arranged on the adjusting plate (7), and the adjusting plate (7) is provided with a limiting mechanism (10) for limiting the abutting plate (8).

2. The hematology department bone marrow puncture device according to claim 1, wherein the adjusting mechanism (9) comprises grooves arranged on the left side and the right side of the adjusting plate (7), threaded rods (11) are rotatably connected in the two grooves, gears (12) are coaxially and fixedly connected outside the two threaded rods (11), the upper ends of the two threaded rods (11) rotatably penetrate through the adjusting plate (7) and are in threaded connection with the lower end of the needle head (5), a rotating ring (13) is rotatably sleeved outside the adjusting plate (7), and tooth grooves meshed with the two gears (12) are arranged on the inner side wall of the rotating ring (13).

3. The bone marrow puncture device for hematology department according to claim 1, characterized in that the limiting mechanism (10) comprises a plurality of cavities (14) arranged in the adjusting plate (7), a plurality of limiting plates (15) are slidably connected in the cavities (14), a plurality of limiting rods (16) are fixedly connected at the lower ends of the limiting plates (15), and the lower ends of the limiting rods (16) slidably penetrate through the adjusting plate (7) and are fixedly connected with the upper end of the abutting plate (8).

4. The hematology bone marrow puncture device according to the claim 1, characterized in that, the whole body side wall of the adjusting plate (7) is provided with anti-skid veins.

5. The hematology department bone marrow puncture device according to claim 2, characterized in that the side wall of the rotating plate (6) opposite to the threaded rod (11) is smoothly arranged, and the other two side walls of the rotating plate (6) are arc-shaped and are provided with anti-skid grains.

6. A hematology bone marrow puncture device according to claim 1, characterized in that two finger rings (17) are fixedly connected to the outer side wall of the needle cylinder (1).