CN215821005U - Rapid and quantitative bone marrow liquid extracting device for blood internal medicine - Google Patents

Abstract

The utility model discloses a rapid and quantitative bone marrow liquid extracting device for a blood internal medicine, which comprises a liquid storage pipe, wherein the surface of the liquid storage pipe is provided with scale marks, one side of the liquid storage pipe is provided with a puncture needle, the other side of the liquid storage pipe is fixedly provided with a positioning pipe in a sealing way, a round block is arranged in the positioning pipe in a sliding way, a piston ring is fixedly arranged on the periphery of the round block, the outer side of the round block is fixedly provided with a push-pull rod, the other end of the push-pull rod penetrates through the positioning pipe and extends outwards to be fixedly connected with a handle, one side of the positioning pipe, which is close to the liquid storage pipe, is provided with a through hole, one side of the positioning pipe is provided with a limiting mechanism, the limiting mechanism and the handle are positioned on the same side, the limiting mechanism is positioned at the upper end of the handle and is used for limiting the push-pull distance of the push-pull rod, the extraction amount of the staff is difficult to control, which is not favorable for the analysis and treatment of the disease condition.

Description

Rapid and quantitative bone marrow liquid extracting device for blood internal medicine

Technical Field

The utility model relates to the technical field of bone marrow fluid extraction, in particular to a bone marrow fluid rapid quantitative extraction device for a blood internal medicine.

Background

The hematopoietic tissues in the human body are located in the medullary cavity and all cancellous bone of a long bone, and the adult bone marrow is divided into two types: red bone marrow, which produces red blood cells, platelets, and various white blood cells, and yellow bone marrow. The blood platelet has hemostatic effect, and the leukocyte can kill and inhibit various pathogens, including bacteria, virus, etc.; some lymphocytes produce antibodies, and thus, the bone marrow is not only a hematopoietic tissue, but it is also an important immune tissue.

The bone marrow is required to be extracted in the treatment process of the blood internal medicine, the conventional bone marrow liquid extracting device does not have the function of quantitative extraction, the extraction amount of workers is difficult to control, and the analysis and treatment of the disease state are not facilitated, so that the utility model provides the bone marrow liquid rapid quantitative extracting device for the blood internal medicine to solve the problems.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a rapid and quantitative bone marrow liquid extraction device for a blood internal medicine, and the specific technical scheme is as follows:

the utility model provides a quick quantitative draw-out device of marrow liquid for hematology department, includes the liquid reserve pipe, the liquid reserve pipe surface is provided with the scale mark, liquid reserve pipe one side is provided with the pjncture needle, the sealed fixed registration arm that is provided with of liquid reserve pipe opposite side, the intraductal slip of registration arm is provided with the circle, circle week side is fixed and is provided with the piston ring, the fixed push-and-pull rod that is provided with in the circle outside, the push-and-pull rod other end runs through the registration arm and outwards extend and handle fixed connection, one side that the registration arm is close to the liquid reserve pipe is provided with the through-hole, registration arm one side is provided with stop gear, stop gear with the handle is located same one side, stop gear is located the upper end of handle, stop gear is used for injecing the distance that the push-and-pull of push rod was pushed and pulled.

Preferably, one end of the liquid storage pipe is fixedly provided with a connecting pipe, the other end of the connecting pipe is provided with a sleeve in a sealing manner, the other end of the sleeve is fixedly provided with a straight pipe, the other end of the straight pipe is fixedly provided with a hose, and the other end of the hose is fixedly connected with the puncture needle.

Preferably, a rubber pad is fixedly arranged on the inner side of the sleeve and is annular, and the thickness of the rubber pad gradually becomes thicker.

Preferably, the limiting mechanism comprises a fixed rod, the fixed rod is fixedly connected with the positioning tube, a movable rod is arranged at the other end of the fixed rod in a sliding insertion mode, a limiting block is arranged at the other end of the movable rod in a rotating mode through a rotating shaft, and the position of the movable rod can be fixed.

Preferably, the outer wall of the fixed rod is provided with an elastic screw, the elastic screw is in threaded fit with the fixed rod, and the movable rod is abutted and fixed by screwing the elastic screw.

Preferably, the hose is made of a rubber material.

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

1. the device comprises a fixed rod, a movable rod, a limit mechanism, a liquid storage pipe, a scale mark, a piston ring, a push-pull rod, a piston ring, a push-pull rod, a limiting mechanism and the like, wherein the movable rod is inserted into the fixed rod to a certain depth, the limit block is rotated under the action of a rotating shaft to be positioned at a proper position on the right side of a handle to start extraction, and when the handle is contacted with the limit block, the limit block has a limiting effect on the handle, so that the quantitative extraction of the bone marrow liquid is finished, and the problems that the existing bone marrow liquid extraction device does not have a quantitative extraction function, the extraction amount of a worker is difficult to control, and the analysis and treatment of the state of an illness are not facilitated are solved;

2. meanwhile, scale marks are arranged on the surface of the liquid storage tube, and the amount of bone marrow liquid in the liquid storage tube can be observed through the scale marks;

3. through the structures of the sleeve, the rubber pad and the like, the thickness of the rubber pad is gradually increased, the connecting pipe can be ensured to be hermetically inserted in the sleeve, and the mounting and dismounting are convenient;

drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a perspective view of a device for rapidly and quantitatively extracting bone marrow fluid for blood medicine according to the present invention;

FIG. 2 is a schematic structural diagram of a hose of the device for rapidly and quantitatively extracting bone marrow fluid for hematology department according to the present invention;

FIG. 3 is a cross-sectional view of a cannula of a rapid quantitative bone marrow fluid extraction device for hematology department according to the present invention;

FIG. 4 is a perspective view of a limiting mechanism of the device for rapidly and quantitatively extracting bone marrow fluid for blood medicine provided by the present invention;

fig. 5 is a cross-sectional view of a positioning tube in the device for rapidly and quantitatively extracting bone marrow fluid for hematology department provided by the utility model.

In the figure: 1-puncture needle, 2-hose, 3-straight tube, 4-sleeve, 5-connecting tube, 6-liquid storage tube, 7-scale mark, 8-positioning tube, 9-push-pull rod, 10-handle, 11-rubber pad, 12-limiting mechanism, 121-fixed rod, 122-elastic screw, 123-rotating shaft, 124-limiting block, 125-movable rod, 13-through hole, 14-piston ring and 15-round block.

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.

Referring to fig. 1-5, a rapid and quantitative bone marrow extracting device for a blood medicine department comprises a liquid storage tube 6, scale marks 7 are arranged on the surface of the liquid storage tube 6, a puncture needle 1 is arranged on one side of the liquid storage tube 6, a positioning tube 8 is fixedly arranged on the other side of the liquid storage tube 6 in a sealing manner, a round block 15 is arranged in the positioning tube 8 in a sliding manner, a piston ring 14 is fixedly arranged on the peripheral side of the round block 15, a push-pull rod 9 is fixedly arranged on the outer side of the round block 15, the other end of the push-pull rod 9 penetrates through the positioning tube 8 and extends outwards to be fixedly connected with a handle 10, a through hole 13 is arranged on one side of the positioning tube 8 close to the liquid storage tube 6, a limiting mechanism 12 is arranged on one side of the positioning tube 8, the limiting mechanism 12 and the handle 10 are positioned on the same side, the limiting mechanism 12 is positioned at the upper end of the handle 10 and used for limiting the push-pull distance of the push-pull rod 9, the limiting mechanism 12 comprises a fixing rod 121, and the fixing rod 121 is fixedly connected with the positioning tube 8, the other end of the fixed rod 121 slides and inserts and be equipped with the movable rod 125, the movable rod 125 other end rotates through the pivot 123 and is provided with stopper 124, the position of movable rod 125 can be fixed, the outer wall of the fixed rod 121 is provided with the elasticity screw rod 122, elasticity screw rod 122 and fixed rod 121 screw-thread fit, movable rod 125 supports fixedly through the elasticity screw rod 122 of screwing, 6 one end of liquid storage pipe is fixed and is provided with connecting pipe 5, the sealed cover of the other end of connecting pipe 5 is equipped with sleeve pipe 4, the fixed straight tube 3 that is provided with in 4 other ends of sleeve pipe, the fixed hose 2 that is provided with in 3 other ends of straight tube, 2 other ends fixedly connected with pjncture needle 1 of hose, hose 2 adopts the rubber material to make.

Through the arrangement of the liquid storage tube 6, the scale marks 7, the piston ring 14, the push-pull rod 9, the limiting mechanism 12 and other structures, before extracting the marrow fluid, according to the requirement of extracting the marrow fluid, the depth of the movable rod 125 inserted into the fixed rod 121 is adjusted, the limiting block 124 is rotated under the action of the rotating shaft 123 to enable the limiting block 124 to be positioned at the proper position on the right side of the handle 10, the position of the movable rod 125 is fixed by screwing the elastic screw 122, the puncture needle 1 pierces the human body, the handle 10 is held by the hand to move towards the right side, when the handle 10 is contacted with the limiting block 124, the limiting block 124 has a limiting effect on the handle 10, at the moment, the marrow fluid is extracted quantitatively, meanwhile, the scale marks 7 are arranged on the surface of the liquid storage tube 6, the amount of the marrow fluid in the liquid storage tube 6 can be observed through the scale marks 7, the problem that the existing marrow fluid extracting device does not have the function of quantitative extraction is solved, and the extraction amount of a worker is difficult to control, unfavorable to the analysis and treatment of the disease;

as the improvement of the technical scheme, a rubber pad 11 is fixedly arranged on the inner side of the sleeve 4, the rubber pad 11 is annular, and the thickness of the rubber pad 11 gradually becomes thicker.

Through the structures of the sleeve 4, the rubber pad 11 and the like, the thickness of the rubber pad 11 is gradually increased, the connecting pipe 5 can be hermetically inserted in the sleeve 4, and the mounting and dismounting are convenient;

the working principle and the using method of the utility model are as follows:

during the use, before the extraction marrow liquid, according to the needs of extraction marrow liquid volume, adjust the degree of depth that movable rod 125 inserted in dead lever 121, rotate stopper 124 under the effect of pivot 123, make stopper 124 be located the suitable position on handle 10 right side, and through the position of the fixed movable rod 125 of the tight screw 122 of screwing, pjncture needle 1 pierces the human body, handheld handle 10 removes to the right side, when handle 10 and stopper 124 contact, stopper 124 has limiting displacement to handle 10, marrow liquid ration extraction completion this moment, be provided with scale mark 7 on liquid storage tube 6 surface simultaneously, can observe how much of marrow liquid in liquid storage tube 6 through scale mark 7, through the sleeve pipe 4 and the rubber pad 11 isotructure that set up, the thickness of rubber pad 11 thickens gradually, guaranteed that connecting pipe 5 can seal and insert and establish in sleeve pipe 4, and the installation dismantlement is convenient.

The utility model is not described in detail, but is well known to those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 (6)

1. The utility model provides a quick quantitative draw-out device of marrow liquid for hematology department, includes liquid storage pipe (6), its characterized in that, liquid storage pipe (6) surface is provided with scale mark (7), liquid storage pipe (6) one side is provided with pjncture needle (1), liquid storage pipe (6) opposite side is sealed fixed and is provided with registration arm (8), it is provided with circle piece (15) to slide in registration arm (8), circle piece (15) week side is fixed and is provided with piston ring (14), the fixed push-and-pull rod (9) that is provided with in circle piece (15) outside, the push-and-pull rod (9) other end runs through registration arm (8) and outwards extends and is fixed connection with handle (10), registration arm (8) are close to one side of liquid storage pipe (6) is provided with through-hole (13), registration arm (8) one side is provided with stop gear (12), stop gear (12) with handle (10) are located same one side, the limiting mechanism (12) is located at the upper end of the handle (10), and the limiting mechanism (12) is used for limiting the pushing and pulling distance of the push-pull rod (9).

2. The device for rapidly and quantitatively extracting bone marrow fluid for hematology department according to claim 1, is characterized in that: the puncture needle is characterized in that a connecting pipe (5) is fixedly arranged at one end of the liquid storage pipe (6), a sleeve (4) is arranged at the other end of the connecting pipe (5) in a sealing manner, a straight pipe (3) is fixedly arranged at the other end of the sleeve (4), a hose (2) is fixedly arranged at the other end of the straight pipe (3), and the puncture needle (1) is fixedly connected to the other end of the hose (2).

3. The device for rapidly and quantitatively extracting bone marrow fluid for hematology department according to claim 2, is characterized in that: the inner side of the sleeve (4) is fixedly provided with a rubber pad (11), the rubber pad (11) is annular, and the thickness of the rubber pad (11) is gradually increased.

4. The device for rapidly and quantitatively extracting bone marrow fluid for hematology department according to claim 3, is characterized in that: stop gear (12) include dead lever (121), dead lever (121) with registration arm (8) fixed connection, dead lever (121) other end slides and inserts and is equipped with movable rod (125), the movable rod (125) other end rotates through pivot (123) and is provided with stopper (124), the position of movable rod (125) can be fixed.

5. The device for rapidly and quantitatively extracting bone marrow fluid for hematology department according to claim 4, is characterized in that: the outer wall of the fixed rod (121) is provided with an elastic screw (122), the elastic screw (122) is in threaded fit with the fixed rod (121), and the movable rod (125) is abutted and fixed by screwing the elastic screw (122).

6. The device for rapidly and quantitatively extracting bone marrow fluid for hematology department according to claim 2, is characterized in that: the hose (2) is made of rubber materials.

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