CN216221506U

CN216221506U - Marrow extraction device for blood internal medicine

Info

Publication number: CN216221506U
Application number: CN202122653889.1U
Authority: CN
Inventors: 陈菊; 张琼; 何圆
Original assignee: Shiyan Taihe Hospital
Current assignee: Shiyan Taihe Hospital
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-04-08
Anticipated expiration: 2031-11-02

Abstract

The utility model discloses a bone marrow extracting device for a blood internal medicine, and relates to the technical field of medical instruments. The device comprises an outer sleeve, an extraction hard tube and a lifting mechanism, wherein the extraction hard tube is arranged in the outer sleeve and is lifted through the lifting mechanism; the lifting mechanism comprises a rack, a gear and a rotating knob, the rack is fixed at the upper end of the outer side surface of the extraction hard tube, the rack is meshed with the gear, and the gear rotates by rotating the knob; the top end of the extraction hard tube is fixedly connected with one end of an extraction hose, the other end of the extraction hose is connected with an inlet of a micro metering pump, and an outlet of the micro metering pump is connected with an inlet of a bone marrow collecting cylinder through a pipeline. The utility model, through setting up the external thimble, extracting the hard tube and lifting gearing, the design of the telescopic extraction hard tube, make the bottom end of extracting the hard tube insert the bone marrow depth deeply, solve the existing bone marrow extracting device is not convenient to carry on the high fine setting, difficult to the problem of extracting the bone marrow conveniently.

Description

Marrow extraction device for blood internal medicine

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a bone marrow extracting device for a blood internal medicine.

Background

Hematology department mainly treats blood diseases, including anemia diseases, such as iron deficiency anemia, megaloblastic anemia, aplastic anemia, hemolytic anemia and the like; and diseases of the leukocyte system such as leukopenia, granulocytosis, leukemia, myelodysplastic syndrome, and the like; also included are bleeding disorders such as hemophilia, thrombocytopenic purpura, anaphylactoid purpura; other diseases include multiple myeloma lymphoma and splenic hyperactivity.

The hematology department needs to extract the bone marrow of a patient for detection through a bone marrow extracting device during the treatment process of the patient so as to determine the disease type and provide a targeted treatment scheme, but the existing bone marrow extracting device still has the following defects in practical use:

1. the existing bone marrow extracting device is inconvenient for fine adjustment of height and is difficult to conveniently extract bone marrow;

2. the limiting sleeve of the existing bone marrow extracting device is inconvenient to adjust and is difficult to adapt to the use requirements of people with different physical constitutions.

Therefore, the existing bone marrow extracting device cannot meet the requirement in practical use, so that there is a strong need for improved technology in the market to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bone marrow extracting device for a blood internal medicine, which is characterized in that an outer sleeve, an extracting hard tube and a lifting mechanism are arranged, and the telescopic extracting hard tube is designed, so that the bottom end of the extracting hard tube can be inserted into the deep part of bone marrow, the bone marrow extraction is more convenient, and the problems that the existing bone marrow extracting device is inconvenient to highly finely adjust and is difficult to conveniently extract the bone marrow are solved.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a bone marrow extracting device for a blood internal medicine, which comprises an outer sleeve, an extracting hard tube and a lifting mechanism, wherein the extracting hard tube is arranged in the outer sleeve and is lifted through the lifting mechanism;

the lifting mechanism comprises a rack, a gear and a rotating knob, the rack is fixed at the upper end of the outer side surface of the extraction hard tube, the rack is meshed with the gear, and the gear rotates by rotating the knob;

the top end of the extraction hard tube is fixedly connected with one end of an extraction hose, the other end of the extraction hose is connected with an inlet of a micro metering pump, and an outlet of the micro metering pump is connected with an inlet of a bone marrow collecting cylinder through a pipeline.

Furthermore, the miniature metering pump and the bone marrow collecting cylinder are both fixed on a top plate, the top plate is fixed at the top of the outer sleeve, and a mounting seat is fixed on the side surface of the top plate.

Further, the gear is rotatably arranged in the mounting seat.

Furthermore, the lower end of the outer sleeve is provided with a tip arc-shaped bevel opening, and the tip arc-shaped bevel opening of the outer sleeve enables the outer sleeve to effectively block nerves and other tissues from entering a visual field when the outer sleeve rotates left and right, so that the outer sleeve can conveniently reach a target area.

Furthermore, a guide sleeve is fixed inside the outer sleeve, and the extraction hard tube is arranged in the guide sleeve in a penetrating mode.

Further, the cover is equipped with the stop collar on the outer tube, the stop collar includes two semicircle cover bodies, two lock on the outer tube through the bolt between the semicircle cover body, and two the bottom of semicircle cover body all is provided with the foam-rubber cushion.

The utility model has the following beneficial effects:

1. according to the utility model, by arranging the outer sleeve, the extraction hard tube and the lifting mechanism and designing the telescopic extraction hard tube, the bottom end of the extraction hard tube can be inserted into the deep part of bone marrow, the bone marrow can be extracted more conveniently, when the device is used, the rotary knob is manually rotated to drive the gear to rotate, the gear drives the rack to move, the rack drives the extraction hard tube to move downwards along the guide sleeve, and the bottom end of the extraction hard tube can be inserted into the deep part of bone marrow.

2. According to the utility model, the position of the limiting sleeve on the outer sleeve can be adjusted by arranging the semicircular sleeve bodies, the bolts and the spongy cushion, so that the outer sleeve can meet the use requirements of different people, when the limiting sleeve is adjusted, the bolts are loosened, the two semicircular sleeve bodies are manually pushed to proper positions, and then the bolts are screwed, so that the spongy cushion can improve the use comfort and avoid the semicircular sleeve bodies from directly contacting with skin.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a schematic structural diagram of the lifting mechanism of the present invention;

fig. 3 is a schematic structural view of the stop collar of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. an outer sleeve; 2. extracting the hard tube; 3. a lifting mechanism; 4. a suction hose; 5. a micro metering pump; 6. a bone marrow collection cylinder; 7. a top plate; 8. a limiting sleeve; 11. a sharp-end arc bevel opening; 12. a guide sleeve; 31. a rack; 32. a gear; 33. rotating the knob; 71. a mounting seat; 81. a semicircular sleeve body; 82. a bolt; 83. a spongy cushion.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-2, the present invention is a bone marrow extracting device for hematology department, including an outer casing 1, an extracting hard tube 2 and a lifting mechanism 3, wherein the extracting hard tube 2 is disposed inside the outer casing 1, the extracting hard tube 2 is lifted by the lifting mechanism 3, the lower end of the outer casing 1 is provided with a tip arc bevel 11, a guide sleeve 12 is fixed inside the outer casing 1, and the extracting hard tube 2 is disposed in the guide sleeve 12 in a penetrating manner.

As shown in fig. 2, the lifting mechanism 3 includes a rack 31, a gear 32 and a rotating knob 33, the rack 31 is fixed at the upper end of the outer side surface of the extraction hard tube 2, the rack 31 is engaged with the gear 32, and the gear 32 is rotated by rotating the knob 33.

When the lifting mechanism 3 is used, the rotating knob 33 is rotated manually, the rotating knob 33 drives the gear 32 to rotate, the gear 32 drives the rack 31 to move, the rack 31 drives the extraction hard tube 2 to move downwards along the guide sleeve 12, and the bottom end of the extraction hard tube 2 can be inserted into the deep part of bone marrow.

As shown in fig. 1, the top end of the extraction hard tube 2 is fixedly connected with one end of an extraction hose 4, the other end of the extraction hose 4 is connected with an inlet of a micro-metering pump 5, an outlet of the micro-metering pump 5 is connected with an inlet of a bone marrow collection cylinder 6 through a pipeline, the micro-metering pump 5 and the bone marrow collection cylinder 6 are both fixed on a top plate 7, the top plate 7 is fixed at the top of the outer sleeve 1, a mounting seat 71 is fixed on the side surface of the top plate 7, and the gear 32 is rotatably arranged in the mounting seat 71.

Roof 7 plays the supporting role on the one hand for the support of miniature measuring pump 5 and bone marrow collecting vessel 6, and on the other hand plays the handle effect, makes outer tube 1 be convenient for rotate, and roof 7 length on one side is short, can conveniently judge the direction of outer tube 1.

As shown in fig. 3, the outer sleeve 1 is sleeved with a limiting sleeve 8, the limiting sleeve 8 comprises two semicircular sleeves 81, the two semicircular sleeves 81 are locked on the outer sleeve 1 through bolts 82, and the bottoms of the two semicircular sleeves 81 are both provided with sponge pads 83.

When 8 position adjustments of stop collar, loosen bolt 82, two semicircular sleeve bodies 81 of manual promotion are to suitable position, again screw up bolt 82 can, the foam-rubber cushion 83 then can improve and use the travelling comfort, avoid semicircular sleeve body 81 and skin direct contact, stop collar 8 is adjustable in the position on outer tube 1 to make this outer tube 1 can adapt to different crowds' user demand.

One specific application of this embodiment is:

when in use, the position of the limiting sleeve 8 on the outer sleeve 1 is adjusted based on the physique of a patient;

the outer sleeve 1 is inserted into the marrow of a patient through the arc-shaped inclined opening 11 at the tip end, the outer sleeve 1 is rotated to a proper position through the top plate 7, and then the height of the extraction hard tube 2 is finely adjusted through the lifting mechanism 3 to be inserted into the deep part of the marrow;

the micro-metering pump 5 is activated to aspirate bone marrow and store it into the bone marrow collection canister 6.

The above are only preferred embodiments of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made to the technical solutions described in the above embodiments, and to some of the technical features thereof, are included in the scope of the present invention.

Claims

1. The utility model provides a bone marrow draw-out device for hematology dept, includes outer tube (1), extraction hard tube (2) and elevating system (3), its characterized in that: an extraction hard tube (2) is arranged inside the outer sleeve (1), and the extraction hard tube (2) is lifted through a lifting mechanism (3);

the lifting mechanism (3) comprises a rack (31), a gear (32) and a rotating knob (33), the rack (31) is fixed at the upper end of the outer side surface of the extraction hard tube (2), the rack (31) is meshed with the gear (32), and the gear (32) rotates through the rotating knob (33);

the top end of the extraction hard tube (2) is fixedly connected with one end of the extraction hose (4), the other end of the extraction hose (4) is connected with an inlet of the miniature metering pump (5), and an outlet of the miniature metering pump (5) is connected with an inlet of the bone marrow collecting cylinder (6) through a pipeline.

2. The bone marrow extracting device for the hematology department according to the claim 1, characterized in that, the miniature metering pump (5) and the bone marrow collecting cylinder (6) are both fixed on a top plate (7), the top plate (7) is fixed on the top of the outer sleeve (1), and a mounting seat (71) is fixed on the side surface of the top plate (7).

3. A bone marrow aspiration device for hematology department according to claim 1, characterized in that the gear (32) is rotatably arranged in the mounting seat (71).

4. A bone marrow extracting device for hematology department according to claim 1, characterized in that the lower end of the outer casing tube (1) is provided with a sharp arc-shaped bevel opening (11).

5. A bone marrow extracting device for blood medicine according to claim 1, characterized in that a guide sleeve (12) is fixed inside the outer sleeve (1), and the extracting hard tube (2) is arranged in the guide sleeve (12) in a penetrating way.

6. The bone marrow extracting device for the blood internal medicine according to claim 1, characterized in that a limiting sleeve (8) is sleeved on the outer sleeve (1), the limiting sleeve (8) comprises two half-round sleeves (81), the two half-round sleeves (81) are locked on the outer sleeve (1) through bolts (82), and sponge cushions (83) are arranged at the bottoms of the two half-round sleeves (81).