CN111557696A

CN111557696A - Bone marrow puncture extraction device for hematology department

Info

Publication number: CN111557696A
Application number: CN202010394643.4A
Authority: CN
Inventors: 王超
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2020-08-21

Abstract

The invention discloses a bone marrow puncture extraction device for hematology department, which relates to the technical field of medical sampling and aims at solving the problems that the puncture depth is inconvenient to control during the existing bone marrow puncture sampling and the sampling needle is easy to shake during the extraction. The invention not only facilitates the control of the puncture depth, but also can automatically extract without manual extraction, thereby not causing good jitter stability and being beneficial to the safe extraction.

Description

Bone marrow puncture extraction device for hematology department

Technical Field

The invention relates to the technical field of medical sampling, in particular to a bone marrow puncture and extraction device for a blood internal medicine.

Background

In the internal medicine of blood treatment, need carry out puncture sampling test to the marrow, this just needs to use the sampling needle, and current sampling needle relies on medical personnel manual to operate, and when nevertheless manual puncture extraction, the degree of depth of inconvenient control puncture, it is more hard during manual extraction simultaneously, causes the shaking of sampling needle easily moreover, is unfavorable for safe sample, and for this reason we have proposed a blood internal medicine marrow puncture draw gear.

Disclosure of Invention

The invention provides a bone marrow puncture extraction device for hematology department, which solves the problems that the puncture depth is inconvenient to control during the existing bone marrow puncture sampling and the sampling needle is easy to shake during the extraction.

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

a bone marrow puncture extraction device for hematology department, which comprises an extraction syringe, wherein a fixed box is fixedly sleeved on the outer ring of the extraction syringe, the fixed box is internally provided with a thread sleeve fixedly sleeved outside the extraction needle cylinder, the outer thread of the thread sleeve is sleeved with a movable ring, the top of the movable ring is welded with a rack ring, the two sides of the bottom of the movable ring are welded with fixed rods, the bottom end of the fixed rod is welded with a lifting plate, the bottom box wall of the fixed box is movably sleeved with a movable rod, the bottom end of the movable rod is fixedly connected with a balancing weight, the top end of the movable rod is fixedly connected with a driving motor, an output shaft of the driving motor is fixedly sleeved with a first gear, the first gear is meshed with the rack ring for transmission, the top of the extraction needle cylinder is fixedly connected with a top plate, the bottom right side welding of roof has the rack, the right side of the top outer wall of fixed case is equipped with drive mechanism.

Preferably, drive mechanism includes the bearing, bearing and fixed case fixed connection, the fixed cover of inner circle of bearing is equipped with the fixed axle, the fixed cover in left end of fixed axle is equipped with the second gear, the fixed cover in right-hand member of fixed axle is equipped with the third gear, and third gear and rack toothing transmission.

Preferably, a movable hole is formed in the right box wall of the fixed box along the height direction of the fixed box, a push-pull rod is fixedly connected to the right side of the driving motor, and the push-pull rod penetrates through the movable hole.

Preferably, the bottom box wall of the fixed box is provided with a rotating hole, the fixed rod penetrates through the rotating hole, the right side of the rotating hole is provided with a guide hole penetrating through the fixed box, and the movable rod penetrates through the guide hole.

Preferably, the top box wall of the fixed box is provided with a mounting hole and a fixing hole, the extraction needle cylinder is fixedly sleeved in the mounting hole, and the second gear penetrates through the fixing hole.

Preferably, the right side of the extraction needle cylinder is fixedly connected with a telescopic rod, and the right side of the top of the telescopic rod is fixedly connected with a handle.

Preferably, the lifting plate is provided with a lifting hole, the bottom end of the extraction needle cylinder is sleeved with a needle head, and the needle head penetrates through the lifting hole.

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

1. the invention is through installing the structure such as threaded sleeve, movable ring, rack ring, dead lever, lifter plate, movable lever, driving motor, first gear and counterweight, etc., wherein the driving motor drives the first gear to rotate, the first gear rotates and can drive movable ring and rack ring to rotate, and the movable ring rotates outside the threaded sleeve and can move up and down, and then can drive dead lever and lifter plate to move up and down, in this way, can conveniently control the depth of puncture;

2. the invention adopts the structure of installing the rack, the transmission mechanism, the push-pull rod and the like, wherein the push-pull rod drives the driving motor and the first gear to move upwards, the first gear is meshed with the second gear on the transmission mechanism, so that the driving motor can drive the fixed shaft to rotate, the fixed shaft drives the third gear to rotate, the third gear drives the rack meshed with the third gear to move, and the rack can drive the top plate to move up and down by moving, so that the automatic extraction can be realized, and the higher shaking stability can not be caused;

in conclusion, the device is novel in design, easy operation, not only conveniently controls the depth of puncture, but also can extract automatically without manual extraction, thereby not causing the shake stability to be good and being beneficial to the safety extraction.

Drawings

FIG. 1 is a schematic front view of a bone marrow puncturing and extracting device for hematology department according to the present invention;

FIG. 2 is a schematic cross-sectional view of a bone marrow aspiration device for hematology department according to the present invention;

fig. 3 is a schematic top view of a movable ring and a rack ring of the bone marrow puncture and extraction device for hematology department according to the present invention.

In the figure: 1 extracting needle cylinder, 2 telescopic rods, 3 handles, 4 fixed boxes, 5 thread sleeves, 6 movable rings, 7 rack rings, 8 fixed rods, 9 lifting plates, 10 movable rods, 11 balancing weights, 12 driving motors, 13 first gears, 14 push-pull rods, 15 top plates, 16 racks, 17 bearings, 18 fixed shafts, 19 second gears and 20 third gears.

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.

Referring to fig. 1-3, a bone marrow puncture extraction device for hematology department, comprising an extraction syringe 1, a fixed box 4 is fixedly sleeved on the outer ring of the extraction syringe 1, a thread sleeve 5 fixedly sleeved on the outer part of the extraction syringe 1 is arranged inside the fixed box 4, a movable ring 6 is sleeved on the outer thread of the thread sleeve 5, a rack ring 7 is welded on the top of the movable ring 6, fixed rods 8 are welded on the two sides of the bottom of the movable ring 6, a lifting plate 9 is welded on the bottom end of the fixed rod 8, a movable rod 10 is movably sleeved on the bottom wall of the fixed box 4, a balancing weight 11 is fixedly connected on the bottom end of the movable rod 10, a driving motor 12 is fixedly connected on the top end of the movable rod 10, a first gear 13 is fixedly sleeved on the output shaft of the driving motor 12, the first gear 13 is in meshing transmission with the rack ring 7, a top, the right side of the outer wall of the top of the fixed box 4 is provided with a transmission mechanism.

In this embodiment, the transmission mechanism includes a bearing 17, the bearing 17 is fixedly connected with the fixed box 4, a fixed shaft 18 is fixedly sleeved on an inner ring of the bearing 17, a second gear 19 is fixedly sleeved on a left end of the fixed shaft 18, a third gear 20 is fixedly sleeved on a right end of the fixed shaft 18, and the third gear 20 is in meshing transmission with the rack 16.

In this embodiment, a movable hole is formed in the right box wall of the fixed box 4 along the height direction thereof, a push-pull rod 14 is fixedly connected to the right side of the driving motor 12, and the push-pull rod 14 penetrates through the movable hole.

In this embodiment, the bottom tank wall of fixed case 4 has been seted up and has been rotated the hole, and dead lever 8 runs through and rotate the hole, and the right side of rotating the hole is equipped with the guiding hole that runs through fixed case 4, and movable rod 10 runs through the guiding hole.

In this embodiment, the top wall of the fixing box 4 is provided with a mounting hole and a fixing hole, the extracting needle cylinder 1 is fixedly sleeved in the mounting hole, and the second gear 19 penetrates through the fixing hole.

In this embodiment, the right side fixedly connected with telescopic link 2 of extraction cylinder 1, the top right side fixedly connected with handle 3 of telescopic link 2.

In this embodiment, the lifting plate 9 is provided with a lifting hole, the bottom of the extraction syringe 1 is sleeved with a needle, and the needle penetrates through the lifting hole.

The working principle is that firstly, the driving motor 12 drives the first gear 13 to rotate, the first gear 13 can drive the movable ring 6 and the rack ring 7 to rotate when rotating, the movable ring 6 can move up and down when rotating outside the threaded sleeve 5, and further can drive the fixed rod 8 and the lifting plate 9 to move up and down, so that the depth of puncture can be conveniently controlled, the counterweight block 11 provides gravity to ensure that the driving motor 12 drives the first gear 13 to be always meshed with the rack ring 7, when extraction is needed, the push-pull rod 14 is manually lifted up, the push-pull rod 14 drives the driving motor 12 and the first gear 13 to move up, the first gear 13 is meshed with the second gear 19 on the transmission mechanism, so that the driving motor 12 can drive the fixed shaft 18 to rotate, the fixed shaft 18 drives the third gear 20 to rotate, the third gear 20 drives the rack 16 meshed with the third gear 20 to move, and the rack 16 moves to drive the top plate 15 to move up and down, can extract automatically like this, can not cause the shake stability higher, whole device not only makes things convenient for the degree of depth of control puncture, but also can extract automatically, does not need manual extraction to it is good not to cause the shake stability, is favorable to the security extraction.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

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 implicitly indicating 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 bone marrow puncture extraction device for the hematology department comprises an extraction needle cylinder (1) and is characterized in that a fixed sleeve of an outer ring of the extraction needle cylinder (1) is provided with a fixed box (4), a thread sleeve (5) which is fixedly sleeved outside the extraction needle cylinder (1) is arranged inside the fixed box (4), a movable ring (6) is sleeved on an external thread sleeve of the thread sleeve (5), a rack ring (7) is welded at the top of the movable ring (6), fixed rods (8) are welded on two sides of the bottom of the movable ring (6), a lifting plate (9) is welded at the bottom end of each fixed rod (8), a movable rod (10) is movably sleeved on the bottom wall of the fixed box (4), a balancing weight (11) is fixedly connected to the bottom end of the movable rod (10), a driving motor (12) is fixedly connected to the top end of the movable rod (10), a first gear (13) is sleeved on an output shaft of, and first gear (13) and rack ring (7) meshing transmission, the top fixedly connected with roof (15) of extraction cylinder (1), the welding of the bottom right side of roof (15) has rack (16), the right side of the top outer wall of fixed case (4) is equipped with drive mechanism.

2. The bone marrow puncture extraction device for the hematology department according to the claim 1, characterized in that, the transmission mechanism comprises a bearing (17), the bearing (17) is fixedly connected with the fixed box (4), the inner ring of the bearing (17) is fixedly sleeved with a fixed shaft (18), the left end of the fixed shaft (18) is fixedly sleeved with a second gear (19), the right end of the fixed shaft (18) is fixedly sleeved with a third gear (20), and the third gear (20) is in meshed transmission with the rack (16).

3. The bone marrow puncture extraction device for hematology department according to claim 1, characterized in that the right box wall of the fixed box (4) is provided with a movable hole along the height direction, the right side of the driving motor (12) is fixedly connected with a push-pull rod (14), and the push-pull rod (14) penetrates through the movable hole.

4. The bone marrow puncture and extraction device for hematology department according to claim 1, characterized in that the bottom box wall of the fixed box (4) is provided with a rotation hole, the fixed rod (8) penetrates through the rotation hole, the right side of the rotation hole is provided with a guide hole penetrating through the fixed box (4), and the movable rod (10) penetrates through the guide hole.

5. The bone marrow puncture extraction device for the hematology department according to the claim 2, characterized in that the top box wall of the fixing box (4) is provided with a mounting hole and a fixing hole, the extraction syringe (1) is fixedly sleeved in the mounting hole, and the second gear (19) penetrates through the fixing hole.

6. The bone marrow puncture extraction device for hematology department according to claim 1, characterized in that a telescopic rod (2) is fixedly connected to the right side of the extraction syringe (1), and a handle (3) is fixedly connected to the top right side of the telescopic rod (2).

7. The bone marrow puncture and extraction device for the hematology department according to the claim 1, characterized in that the lifting plate (9) is provided with a lifting hole, the bottom end of the extraction syringe (1) is sleeved with a needle head, and the needle head penetrates through the lifting hole.