CN221469898U - Bone marrow extraction equipment - Google Patents

Abstract

The utility model discloses bone marrow extraction equipment which comprises a puncture needle head and a box body, wherein a plurality of needle head holes are formed in the surface of the puncture needle head, a needle head connecting piece is fixedly connected to the surface of the puncture needle head, a needle head fixing piece is connected to the inner wall of the needle head connecting piece in a threaded manner, a flexible hose is fixedly connected to the surface of the needle head fixing piece, a blood storage box is movably connected to the bottom of the inner wall of the box body, two second rotating shafts are fixedly connected to the inner wall of the blood storage box, a second rotating rod is movably connected between the two second rotating shafts, and a second shielding plate is fixedly connected to the surface of the second rotating rod. According to the utility model, the puncture needle head can be driven to extract multi-azimuth bone marrow through the needle head side holes by continuously pressing the air bag manually to suck air, so that the problem that the existing product is inconvenient to extract a large range of bones at one time is solved, and meanwhile, the bone marrow can enter the blood storage tank through the blood guide tube, so that the problem that the existing product is inconvenient to store the extracted excessive bone marrow is solved.

Description

Bone marrow extraction equipment

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a marrow extraction device for blood internal medicine

Background

Medical devices refer to instruments, devices, appliances, in vitro diagnostic reagents and calibrators, materials and other similar or related items used directly or indirectly for the human body, including the computer software required, the utility is obtained mainly by physical means, not by pharmacological, immunological or metabolic means, or by these means, but only by auxiliary means, with the aim of diagnosis, prevention, monitoring, treatment or alleviation of the disease; diagnosis, monitoring, treatment, alleviation or functional compensation of lesions, examination, substitution, regulation or support of physiological structures or processes, support or maintenance of life, pregnancy control, by examining samples from the human body, provide information for medical or diagnostic purposes.

The utility model discloses a blood internal medicine bone marrow extraction equipment in chinese patent publication No. CN209122296U includes syringe needle and box body, the one end threaded connection of syringe needle has the body, the fixed surface of body is connected with keeps off the hand, the inside swing joint of body has the sealing plug, the fixed surface of sealing plug is connected with the spring, the one end that the sealing plug surface is close to the spring peg graft has the movable rod, the surface of movable rod is seted up flutedly, the one end swing joint of movable rod has the pressing plate. This blood internal medicine bone marrow extraction equipment through setting up that keeps off hand and slipmat, makes the medical personnel more accurate insert in the patient during the extraction, through setting up of spring, fixed cap, bleeder vent, dead lever, pivot and stopper, can assist the more laborsaving extraction of medical personnel, and the position of movable rod can be fixed to the stopper, can not make the spring continue the extraction.

However, in the prior art, if the bone marrow extraction capacity is more, the storage of the extracted excessive bone marrow is inconvenient because of the smaller capacity of the needle tube, and if the extraction of the bone marrow in a large range is required, the extraction of the bone marrow in a large range is inconvenient because of the fixity and the singleness of the needle hole.

Disclosure of utility model

The utility model aims to provide a bone marrow aspiration device which solves the problems that the aspiration of excessive bone marrow is inconvenient to store and the aspiration of bone marrow in a large range is inconvenient at one time.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a bone marrow extraction equipment, includes puncture syringe needle and box, a plurality of syringe needle holes have been seted up on puncture syringe needle surface, puncture syringe needle fixedly connected with syringe needle connecting piece, syringe needle connecting piece inner wall threaded connection has syringe needle mounting, syringe needle mounting fixedly connected with flexible hose, syringe needle mounting fixedly connected with handle, box inner wall bottom swing joint has blood storage box, blood storage box inner wall fixedly connected with two second pivots, two swing joint has the second bull stick between the second pivot, second bull stick fixedly connected with second shielding plate, box top fixedly connected with gasbag, the exhaust hole has been seted up at the gasbag top, flexible hose one end and gasbag surface fixedly connected with, gasbag inner wall fixedly connected with funnel, funnel bottom fixedly connected with guide vessel.

Preferably, the telescopic rod is fixedly connected to the top of the inner wall of the blood storage tank, the plug is fixedly connected to the bottom of the telescopic rod, and the sealing gasket is fixedly connected to the bottom of the plug.

Preferably, the bottom of the inner wall of the box body is fixedly connected with two fixing plates, and the surfaces of the fixing plates are movably connected with the surface of the blood storage box.

Preferably, the surface of the blood storage box is movably connected with one end of the blood guide tube.

Preferably, scale marks are arranged on the inner wall of the blood storage box.

Preferably, the inner wall of the air bag is fixedly connected with two first rotating shafts, a first rotating rod is movably connected between the two first rotating shafts, and the surface of the first rotating rod is fixedly connected with a first shielding plate.

Preferably, the box surface is movably connected with a box door.

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

1. According to the utility model, the needle fixing part is driven by the handle, the needle connecting part is driven by the needle fixing part, the puncture needle is driven by the needle connecting part, the puncture needle is inserted into bone marrow of a patient, the air bag can be manually pressed, the bone marrow is conveyed into the flexible hose through the puncture needle through the needle connecting part and the needle fixing part by utilizing the internal and external air pressure difference of the air bag, and then is conveyed into the air bag through the flexible hose, and as a plurality of needle holes are formed on the surface of the puncture needle, the bone marrow in a large range can be extracted in multiple directions through one puncture operation, so that the problem that the bone marrow in a large range is inconvenient to extract at one time is solved.

2. The utility model also enables the extracted bone marrow to enter the air sac through the flexible hose, flow into the guide vessel through the funnel in the air sac, and enter the blood storage tank through the guide vessel, when the bone marrow is about to enter the blood storage tank, the bone marrow is firstly contacted with the second shielding plate in the blood storage tank, and when the air sac is pressed, a part of air enters the guide vessel through the funnel to form gas thrust so as to push the second shielding plate, so that the second shielding plate drives the second rotating rod to rotate between the two second rotating shafts to the inside of the blood storage tank, and the bone marrow enters the blood storage tank for storage, thereby solving the problem that the extracted excessive bone marrow is inconvenient to store.

Drawings

FIG. 1 is a schematic view showing the overall structure of a bone marrow aspiration device according to the present utility model;

FIG. 2 is a cross-sectional view showing the structure of a casing of a bone marrow aspiration device according to the present utility model;

FIG. 3 is a cross-sectional view showing the structure of an air bag of a bone marrow aspiration device according to the present utility model;

FIG. 4 is a cross-sectional view of a blood reservoir of a bone marrow aspiration device according to the present utility model;

FIG. 5 is an enlarged view showing the structure of the bone marrow aspiration device shown in FIG. 2A according to the present utility model;

fig. 6 is an enlarged view showing the structure of the bone marrow aspiration device shown at B in fig. 3 according to the present utility model.

In the figure: 1. a puncture needle; 2. a needle mount; 3. a needle connector; 4. a grip; 5. a flexible hose; 6. an air bag; 7. an exhaust hole; 8. a case; 9. a door; 10. a needle hole; 11. a blood guide tube; 12. a blood storage tank; 13. a telescopic rod; 14. a plug; 15. a sealing gasket; 16. a fixing plate; 17. scale marks; 18. a first rotating shaft; 19. a first rotating lever; 20. a first shielding plate; 21. a second rotating shaft; 22. a second shielding plate; 23. a second rotating rod; 24. and (5) a funnel.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution: a bone marrow extraction device comprises a puncture needle 1 and a box body 8, wherein a plurality of needle holes 10 are formed on the surface of the puncture needle 1, a needle connecting piece 3 is fixedly connected to the surface of the puncture needle 1, a needle fixing piece 2 is connected to the inner wall of the needle connecting piece 3 in a threaded manner, a flexible hose 5 is fixedly connected to the surface of the needle fixing piece 2, a grip 4 is fixedly connected to the surface of the needle fixing piece 2, a medical staff drives the needle fixing piece 2 through holding the grip 4, the needle fixing piece 2 drives the needle connecting piece 3 so as to drive the puncture needle 1, the puncture needle 1 is inserted into bone marrow of a patient, then a flexible hose 5 is driven to suck air through manual pressing, the puncture needle 1 is driven by the flexible hose 5 to extract bone marrow of the patient, a blood storage box 12 is movably connected to the bottom of the inner wall of the box body 8, two second rotating shafts 21 are fixedly connected to the inner wall of the blood storage box 12, a second rotating rod 23 is movably connected between the two second rotating shafts 21, a second shielding plate 22 is fixedly connected to the surface of the second rotating rod 23, the second shielding plate 22 can be pushed by the pressure of bone marrow liquid, so that the second rotating rod 23 is driven to rotate inwards between the second rotating shafts 21, when bone marrow enters the blood storage tank 12, the second shielding plate 22 naturally sags between the two second rotating shafts 21 to be attached to the inner wall of the blood storage tank 12 under the action of self gravity through the second rotating rod 23, so as to effectively prevent the bone marrow from flowing backwards, an exhaust hole 7 is formed on the surface of the air bag 6, one end of a flexible hose 5 is fixedly connected with the surface of the air bag 6, the air bag 6 can be pushed to be pulled through the flexible hose 5, a funnel 24 is fixedly connected to the inner wall of the air bag 6, the bottom of the funnel 24 is fixedly connected with the inner wall of the blood guide tube 11, the extracted bone marrow entering balloon 6 may be transported through funnel 24 and catheter 11.

As shown in fig. 4, the top of the inner wall of the blood storage tank 12 is fixedly connected with a telescopic rod 13, the bottom of the telescopic rod 13 is fixedly connected with a plug 14, the bottom of the plug 14 is fixedly connected with a sealing pad 15, and the extracted bone marrow can enter the blood storage tank 12 through the blood guide tube 11, when the bone marrow of a patient extracts a certain milliliter, the bone marrow in the blood storage tank 12 can jack up the sealing pad 15, the sealing pad 15 drives the plug 14, and the plug 14 rises along the direction of the telescopic rod 13.

As shown in fig. 2, the bottom of the inner wall of the case 8 is fixedly connected with the bottom of the fixing plate 16, the fixing plates 16 are movably connected to two sides of the blood storage case 12, the fixing plates 16 on two sides can fix the blood storage case 12, the blood storage case 12 is prevented from shaking inside the case 8, and the blood storage case 12 is fixed by using a gap between the two fixing plates 16 at the bottom of the inner wall of the case 8.

As shown in fig. 5, the surface of the blood storage tank 12 is movably connected with one end of the blood guide tube 11, and the extracted bone marrow flows into the blood storage tank 12 through the blood guide tube 11.

As shown in fig. 2, the inner wall of the blood storage tank 12 is provided with graduation marks 17, and the sealing gasket 15 is aligned with the graduation marks 17 on the inner wall of the blood storage tank 12 one by one in the ascending process, and the extracted bone marrow of the patient can be measured by observing the graduation marks 17 through naked eyes because the blood storage tank 12 is in a transparent state.

As shown in fig. 6, two first rotating shafts 18 are fixedly connected to the inner wall of the air bag 6, a first rotating rod 19 is movably connected between the two first rotating shafts 18, a first shielding plate 20 is fixedly connected to the surface of the first rotating rod 19, and the first shielding plate 20 can be driven by gas pressure during air suction, so that the first rotating rod 19 is driven to rotate inwards between the first rotating shafts 18, gas enters the air bag 6, when the air bag 6 is pressed for air discharge, the first shielding plate 20 is tightly attached to the inner wall of the air bag 6, and meanwhile, the flexible hose 5 is shielded, so that the gas is effectively prevented from entering a patient through the flexible hose 5 and the puncture needle 1 in the air discharge process.

As shown in fig. 1, the surface of the case body 8 is movably connected with a case door 9, so that the case door 9 can be opened when in use in order to intuitively observe the bone marrow extraction condition of the blood storage case 12.

Working principle: when in use, the medical staff can hold the handle 4, the needle fixing piece 2 is driven by the handle 4, the needle fixing piece 2 drives the needle connecting piece 3, thus the puncture needle 1 is driven, the puncture needle 1 is inserted into bone marrow of a patient, the flexible hose 5 is shielded by the first shielding plate 20 under the influence of the air pressure when the air bag 6 begins to be pressed, the air can be prevented from entering the patient through the flexible hose 5 and the puncture needle 1, finally the air bag 6 is discharged through the exhaust hole 7, when the air bag 6 stops being pressed, the air bag 6 is restored to the original state under the tension of the air bag 6, at the moment, the air content in the air bag 6 is low, the air pressure is smaller, the pressure difference between the inside and the outside of the air bag 6 is larger, therefore, the air bag 6 can drive the flexible hose 5 to start to suck air, the acting force generated by the air suction of the flexible hose 5 pushes the first shielding plate 20, the first shielding plate 20 drives the first rotating rod 19 to rotate towards the inside of the air bag 6 between the two first rotating shafts 18, so that an air inlet channel of the air bag 6 is opened, bone marrow is conveyed into the flexible hose 5 through the puncture needle 1 through the needle connecting piece 3 and the needle fixing piece 2 by utilizing the internal and external air pressure difference of the air bag 6, one end of the flexible hose 5 is fixed on the inner wall of the needle fixing piece 2 and connected with the needle connecting piece 3 when in actual use, the bone marrow is conveniently conveyed into the flexible hose 5 through the puncture needle 1 through the needle connecting piece 3 and then conveyed into the air bag 6 through the flexible hose 5, as the surface of the puncture needle 1 is provided with a plurality of needle holes 10, the bone marrow in a large range can be extracted in multiple directions through one puncture operation, the pain of a patient is relieved while the efficiency is improved, the extracted bone marrow enters the air bag 6 through the flexible hose 5, flows into the guide tube 11 through the funnel 24 in the air bag 6, enters the blood storage tank 12 through the guide tube 11, firstly contacts with the second shielding plate 22 in the blood storage tank 12 when bone marrow is about to enter the blood storage tank 12, and because part of air enters the guide tube 11 through the funnel 24 when the air bag 6 is pressed, gas thrust is formed to push the second shielding plate 22, the second shielding plate 22 drives the second rotating rod 23 to rotate between the two second rotating shafts 21 towards the inside of the blood storage tank 12, so that bone marrow enters the blood storage tank 12 for storage, after the bone marrow extraction is finished, the second shielding plate 22 naturally sags between the two second rotating shafts 21 under the action of self gravity through the second rotating rod 23 to be attached to the inner wall of the blood storage tank 12, thereby effectively preventing the bone marrow from flowing backwards, thereby convenient storage, when the bone marrow is extracted and reaches sealing pad 15 below, along with the bone marrow is extracted more and more will promote sealing pad 15 upwards to remove, sealing pad 15 drives end cap 14, end cap 14 rises along the direction of telescopic link 13, sealing pad 15 can align the scale mark 17 of blood storage box 12 inner wall one by one in the in-process that rises, can control the bone marrow demand according to the condition of different patients through scale mark 17, so as to avoid exceeding the control quantity of required bone marrow, influence patient's health, when needs change blood storage box 12, take off guide tube 11 from blood storage box 12 surface, then take out blood storage box 12 from the inside of box 8, close chamber door 9, prevent that the dust from entering into box 8 is inside.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a bone marrow extraction equipment, includes puncture syringe needle (1) and box (8), a plurality of syringe needle holes (10) have been seted up on puncture syringe needle (1) surface, puncture syringe needle (1) fixedly connected with syringe needle connecting piece (3), syringe needle connecting piece (3) inner wall threaded connection has syringe needle mounting (2), syringe needle mounting (2) fixedly connected with flexible hose (5), syringe needle mounting (2) fixedly connected with handle (4) on surface, box (8) inner wall bottom swing joint has blood storage box (12), blood storage box (12) inner wall fixedly connected with two second pivot (21), two swing joint second bull stick (23) between second pivot (21), second bull stick (23) fixedly connected with second shielding plate (22), box (8) top fixedly connected with gasbag (6), vent (7) have been seted up at gasbag (6) top, flexible hose (5) one end and gasbag (6) fixedly connected with handle, funnel (24) fixedly connected with funnel (24) bottom (11) and vessel.

2. A bone marrow aspiration device in accordance with claim 1, wherein: the blood storage box is characterized in that a telescopic rod (13) is fixedly connected to the top of the inner wall of the blood storage box (12), a plug (14) is fixedly connected to the bottom of the telescopic rod (13), and a sealing gasket (15) is fixedly connected to the bottom of the plug (14).

3. A bone marrow aspiration device in accordance with claim 1, wherein: two fixing plates (16) are fixedly connected to the bottom of the inner wall of the box body (8), and the surfaces of the fixing plates (16) are movably connected with the surface of the blood storage box (12).

4. A bone marrow aspiration device in accordance with claim 1, wherein: the surface of the blood storage box (12) is movably connected with one end of the blood guide tube (11).

5. A bone marrow aspiration device in accordance with claim 1, wherein: the inner wall of the blood storage box (12) is provided with scale marks (17).

6. A bone marrow aspiration device in accordance with claim 1, wherein: the air bag is characterized in that two first rotating shafts (18) are fixedly connected to the inner wall of the air bag (6), a first rotating rod (19) is movably connected between the two first rotating shafts (18), and a first shielding plate (20) is fixedly connected to the surface of the first rotating rod (19).

7. A bone marrow aspiration device in accordance with claim 1, wherein: the surface of the box body (8) is movably connected with a box door (9).