CN213430267U - Bone marrow puncture extraction device for hematology department - Google Patents

Bone marrow puncture extraction device for hematology department Download PDF

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Publication number
CN213430267U
CN213430267U CN202020535273.7U CN202020535273U CN213430267U CN 213430267 U CN213430267 U CN 213430267U CN 202020535273 U CN202020535273 U CN 202020535273U CN 213430267 U CN213430267 U CN 213430267U
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rotating shaft
block
movable rod
shell
bone marrow
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CN202020535273.7U
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Chinese (zh)
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陈琛
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陈琛
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Abstract

The utility model relates to the technical field of medical equipment, in particular to a marrow puncture and extraction device for hematology department, which comprises a puncture needle, an upper shell and a lower shell, wherein a needle core is arranged in the puncture needle, the bottom of the upper shell is provided with an opening, the upper end in the upper shell is provided with an upper fixed block, a first movable rod is movably arranged below the upper fixed block, a second movable rod is arranged below the first movable rod, an adjusting block is movably arranged at the contact part of the first movable rod and the second movable rod, a rotating shaft hole is arranged in the adjusting block, a rotating shaft is inserted in the rotating shaft hole, and a positioning disc is fixedly arranged in the lower shell; the utility model discloses can fix a position the pjncture needle, make the pjncture needle pierce the marrow perpendicularly in, effectively avoided the crooked condition of puncture, and be equipped with the scale mark down on the casing, the degree of depth is pierced to understanding that can be accurate, has solved the not enough or too dark problem of puncture of pjncture needle puncture, is favorable to carrying out the extraction of marrow fast.

Description

Bone marrow puncture extraction device for hematology department
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to hematology department marrow puncture draw-out device.
Background
Bone marrow puncture (bone marrow puncture) is a common diagnostic technique for collecting bone marrow fluid, and is used for clinical examination of blood cell morphology, hematopoietic stem cell culture, cytogenetic analysis, pathogenic biology examination and the like to assist clinical diagnosis, observation of curative effect, judgment of prognosis and the like. Hemophiliacs refrain from bone marrow puncture.
At present, the bone marrow puncture generally selects three parts of the anterior superior iliac spine, the posterior superior iliac spine and the sternum stem, when in puncture, a locator of a puncture needle needs to be positioned about 1.5 centimeters away from a needle point, medical workers need to hold the puncture needle by hands, rotate left and right to slowly and vertically puncture the bone, and when the feeling resistance disappears after the feeling puncture, and the puncture needle is fixed in the bone, the bone marrow puncture indicates that the bone marrow cavity has been entered.
When a doctor holds the puncture needle to puncture a bone, the puncture needle is easy to be inclined due to the fact that the bone is hard and uneven; in the puncture process, because the locator does not have the scale mark, medical personnel can't learn the accurate depth of puncturing, and puncture marrow cavity back, pjncture needle resistance disappears in the twinkling of an eye, if locator control range is too big, take place to puncture too deeply or even the condition such as pierce through easily.
SUMMERY OF THE UTILITY MODEL
Solves the technical problem
To the above-mentioned shortcoming that prior art exists, the utility model provides a blood internal medicine marrow puncture draw-out device can solve the easy crooked, the difficult problem of holding of the puncture depth of prior art's pjncture needle effectively.
Technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a hematology department bone marrow puncture extraction device, comprising: an opening is arranged at the bottom of the upper shell, an upper fixing block is arranged at the upper end inside the upper shell, a first movable rod is movably arranged below the upper fixed block, a second movable rod is arranged below the first movable rod, the contact part of the first movable rod and the second movable rod is movably hinged with an adjusting block, a rotating shaft hole is arranged in the adjusting block, a rotating shaft is inserted in the rotating shaft hole, a lower fixed block is movably connected below the second movable rod, a movable plate is fixedly arranged below the lower fixed block, scale blocks are arranged on two sides of the movable plate, a fixed notch is formed below the movable plate, a positioning disc is fixedly arranged in the lower shell, positioning holes are arranged in the positioning disc, lower grooves are arranged on two sides of the lower shell, scale marks are carved on two sides of the lower groove, and the lower end of the upper shell is fixedly connected with the upper end of the lower shell.
Furthermore, a rotating disc is fixedly connected to one side of the rotating shaft, a rotating notch is formed in one side of the upper shell, and the rotating shaft penetrates through the rotating notch to be fixedly connected with the rotating disc.
Further, first movable rod and second movable rod respectively are equipped with two, go up two first movable rods of fixed block lower extreme through pivot swing joint, two second movable rods of pivot swing joint are passed through to fixed block upper end down, fixed mounting has long pivot on the regulating block, and corresponding first movable rod lower extreme and second movable rod upper end are through long pivot swing joint.
Furthermore, the adjusting block comprises a first adjusting block and a second adjusting block, an internal thread is arranged in the first adjusting block, an external thread is arranged on the rotating shaft, and the internal thread of the first adjusting block is meshed with the external thread of the rotating shaft; the utility model discloses a pivot, including first regulating block, pivot, second regulating block, pivot, the spliced eye is opened to second regulating block one side, in the spliced eye is pegged graft to the pivot, be equipped with the anticreep piece in the second regulating block, anticreep piece diameter is big than the spliced eye, anticreep piece and second regulating block fixed connection.
Furthermore, the outer part of the upper shell is provided with external threads, the inner part of the lower shell is provided with internal threads, and the external threads of the upper shell are meshed with the internal threads of the lower shell.
Furthermore, the two sides of the movable plate are provided with scale blocks, the two sides of the lower part of the upper shell are provided with upper grooves, the scale blocks are arranged in the upper grooves, the two sides of the upper part of the lower shell are provided with lower grooves, when the upper shell is connected with the lower shell, the scale blocks are arranged in the lower grooves after moving downwards, and the two sides of the lower grooves are marked with scale marks.
Furthermore, a base is arranged below the lower shell, an observation groove is formed in the side end of the lower shell, and the lower shell is made of transparent plastic materials.
Advantageous effects
Adopt the utility model provides a technical scheme compares with known public technique, has following beneficial effect:
1. the utility model discloses a be provided with positioning disk and locating hole, can tentatively fix a position the puncture needle, in addition anti-skidding end and fixed notch cooperation, can further fix the puncture needle for the puncture needle punctures patient's marrow intracavity perpendicularly, effectively avoids the puncture needle crooked.
2. The utility model discloses a cooperation between first movable rod, second movable rod, regulating block, activity dish and the pivot can slowly make the activity dish move down, and then makes the pjncture needle slowly move down, and is equipped with scale block and low groove, and the degree of depth is pierced to understanding that can be accurate, has effectively avoided the too dark condition of puncture, is favorable to the normal clear of operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic view of the connection of the puncture needle, the needle core and the anti-slip tip of the present invention;
fig. 2 is a schematic view of the inside of the upper shell of the present invention;
fig. 3 is a schematic view of the movable plate of the present invention moving downward;
FIG. 4 is a schematic view of the connection between the second adjusting block and the rotating shaft of the present invention;
fig. 5 is a schematic view of the lower housing of the present invention;
fig. 6 is a bottom schematic view of the lower housing of the present invention;
FIG. 7 is a schematic view of the connection between the upper and lower housings of the present invention;
FIG. 8 is a schematic view of the working principle of the present invention in use;
the reference numerals in the drawings denote: 1-puncture needle; 2-a needle core; 3-an anti-slip end; 4-an upper shell; 5, fixing the block; 6-rotating the disc; 7-rotating the chute; 8-upper groove; 9-a first movable bar; 10-a rotating shaft; 11-a second movable bar; 12-a scale block; 13-a movable plate; 14-lower fixed block; 15-fixing the notch; 16-a first conditioning block; 17-a second conditioning block; 18-a lower shell; 19-lower groove; 20-positioning holes; 21-a base; 22-observation tank; 23-positioning plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The present invention will be further described with reference to the following examples.
Examples
Referring to fig. 1-7, a puncture needle 1, an upper housing 4 and a lower housing 18 are provided, the puncture needle 1 is provided with a stylet 2, the rear end of the stylet 2 is an anti-slip end 3, the bottom of the upper housing 4 is provided with an opening, a movable plate 13 below the inside of the upper housing 4 is normally moved up and down due to a bottomless hollow design, the upper end of the inside of the upper housing 4 is provided with an upper fixed block 5, a first movable rod 9 is movably mounted below the upper fixed block 5, a second movable rod 11 is arranged below the first movable rod 9, a regulating block is movably mounted at the contact position of the first movable rod 9 and the second movable rod 11, a rotating shaft hole is formed in the regulating block, a rotating shaft 10 is inserted in the rotating shaft hole, a rotating disc 6 is fixedly connected to one side of the rotating shaft 10, and a lower fixed block 14 is movably connected below the second movable rod 9, a movable plate 13 is fixedly mounted below the lower fixed block 14, a fixed notch 15 is formed in the lower portion of the movable plate 13, a positioning plate 23 is fixedly mounted in the lower shell 18, a positioning hole 20 is formed in the positioning plate 23, the puncture needle 1 is inserted into the positioning hole 20, the lower end of the upper shell 4 is fixedly connected with the upper end of the lower shell 18, the anti-skid end 3 is arranged in the fixed notch 15, the diameter of the fixed notch 15 is larger than that of the anti-skid end 3, and the anti-skid end 3 can be prevented from being clamped in the fixed notch.
Referring to fig. 2 and 3, the first movable rods 9 and the second movable rods 11 are respectively provided with two, the lower ends of the upper fixed blocks 5 are movably connected with the two first movable rods 9 through rotating shafts, the upper ends of the lower fixed blocks 14 are movably connected with the two second movable rods 11 through rotating shafts, it is ensured that the first movable rods 9 and the second movable rods 11 can rotate, the adjusting blocks are fixedly provided with long rotating shafts, the lower ends of the corresponding first movable rods 9 and the upper ends of the second movable rods 11 are movably connected through the long rotating shafts, and movable connections of the adjusting blocks with the first movable rods 9 and the second movable rods 11 are realized.
Referring to fig. 2 and 3, the adjusting block includes a first adjusting block 16 and a second adjusting block 17, an internal thread is provided in the first adjusting block 16, an external thread is provided on the rotating shaft 10, the internal thread of the first adjusting block 16 is engaged with the external thread of the rotating shaft 10, when the rotating shaft 10 is rotated, the first adjusting block 16 and the second adjusting block 17 can be moved to the inner side, and then the first movable rod 9 and the second movable rod 11 are moved, and further the movable plate 13 is driven to move downwards. One side of the upper shell 4 is provided with a rotating notch 7, the rotating shaft 10 penetrates through the rotating notch 7 to be fixedly connected with the rotating disc 6, when the movable plate 13 moves downwards, the rotating shaft 10 moves downwards at the same time, and the rotating shaft 10 and the rotating disc 6 move downwards through the rotating notch 7.
Referring to fig. 4, an insertion hole is formed in one side of the second adjusting block 17, the rotating shaft 10 is inserted into the insertion hole, an anti-falling block is arranged in the second adjusting block 17, the diameter of the anti-falling block is larger than that of the insertion hole, and the anti-falling block is fixedly connected with the second adjusting block 17. When the rotating disc 6 drives the rotating shaft 10 to rotate, the anti-dropping block not only ensures that the tail end of the rotating shaft 10 can normally rotate in the second adjusting block 17, but also can prevent the rotating shaft 10 from separating from the second adjusting block 17.
Referring to fig. 2 and 5, the upper case 4 is externally provided with external threads, the upper case 4 has a diameter of 48mm, the lower case 18 is internally provided with internal threads, and the lower case has a diameter of 50mm, and the external threads of the upper case 4 are engaged with the internal threads of the lower case 18.
Referring to fig. 7, scale blocks 12 are arranged on two sides of a movable plate 13, upper grooves 8 are arranged on two sides of the lower portion of an upper shell 8, the scale blocks 12 are arranged in the upper grooves 8, lower grooves 19 are arranged on two sides of the upper portion of a lower shell 18, when the upper shell 4 is connected with the lower shell 18, after the movable plate 13 is rotated to move downwards, the scale blocks 12 move downwards and then are arranged in the lower grooves 19, scale marks are marked on two sides of the lower grooves 19, and the distance that the scale blocks move downwards can be clearly observed. The length of the puncture needle 1 is the same as that of the lower shell 18, so that the anti-skid end 3 is just contacted with the fixed notch 15 when the scale block 12 enters the lower groove 19 from the upper groove 8. A base 21 is arranged below the lower shell 18, the base 21 can be better fixed left and right, the whole lower shell 18 is made of transparent plastic, and an observation groove 22 is formed in the side end of the lower shell 18, so that the working condition of the puncture needle 1 can be observed conveniently.
Before the aseptic hole towel is used, a patient is disinfected conventionally, after the aseptic hole towel is laid, the lower shell 18 is placed on the aseptic hole towel, the needle core 2 is placed in the puncture needle 1, then the puncture needle 1 penetrates through the positioning hole 20 of the positioning disc 23, the needle point of the puncture needle 1 is in contact with the skin of the patient, the lower shell 18 is tightly held by the right hand, the base 21 is adhered to the skin of the patient through a medical adhesive tape for fixing, the upper shell 4 is rotated into the lower shell 18 by the left hand, the anti-skidding end head 3 enters the fixed notch 15, then the rotating disc 6 is rotated counterclockwise by the left hand, the rotating shaft 10 is rotated, the first adjusting block 16 and the second adjusting block 17 can be moved inwards, the first movable rod 9 and the second movable rod 11 are moved, and the movable plate 13 is driven to move downwards. When the scale block 12 enters the lower groove 19 from the upper groove 8, the anti-skidding end head 3 is just contacted with the fixed notch 15, then the rotating disc 6 is continuously rotated by the left hand, the puncture needle 1 moves downwards, the scale corresponding to the scale block 12 is observed at the same time, when the puncture needle enters 1.5cm, the upper shell 4 is screwed down by the left hand, the puncture needle 1 is held by the right hand, the needle core 2 is pulled out, the inner plug is withdrawn by 1cm by a dry 20ml injector, the injector is connected, the bone marrow liquid is slowly pumped by proper force, the pumping quantity of the bone marrow liquid is preferably 0.1-0.2 ml, and the pumped bone marrow liquid is sent for examination. The needle core 2 is then inserted, the sterilized gauze is applied to the needle hole through the observation groove 22, the puncture needle 1 is withdrawn, the lower case 18 is removed, slightly pressed, and fixed by pressure with an adhesive tape.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (7)

1. The utility model provides a hematology department bone marrow puncture draw-out device which characterized in that includes: an opening is arranged at the bottom of the upper shell, an upper fixing block is arranged at the upper end inside the upper shell, a first movable rod is movably arranged below the upper fixed block, a second movable rod is arranged below the first movable rod, the contact part of the first movable rod and the second movable rod is movably hinged with an adjusting block, a rotating shaft hole is arranged in the adjusting block, a rotating shaft is inserted in the rotating shaft hole, a lower fixed block is movably connected below the second movable rod, a movable plate is fixedly arranged below the lower fixed block, scale blocks are arranged on two sides of the movable plate, a fixed notch is formed below the movable plate, a positioning disc is fixedly arranged in the lower shell, positioning holes are arranged in the positioning disc, lower grooves are arranged on two sides of the lower shell, scale marks are carved on two sides of the lower groove, and the lower end of the upper shell is fixedly connected with the upper end of the lower shell.
2. The bone marrow puncture extracting device for the hematology department according to the claim 1, characterized in that a rotating disc is fixedly connected with one side of the rotating shaft, a rotating notch is formed on one side of the upper shell, and the rotating shaft passes through the rotating notch and is fixedly connected with the rotating disc.
3. The bone marrow puncture extracting device for the hematology department according to claim 1, characterized in that the number of the first movable rods and the number of the second movable rods are respectively two, the lower end of the upper fixed block is movably connected with the two first movable rods through a rotating shaft, the upper end of the lower fixed block is movably connected with the two second movable rods through a rotating shaft, the adjusting block is fixedly provided with a long rotating shaft, and the lower end of the corresponding first movable rod is movably connected with the upper end of the second movable rod through a long rotating shaft.
4. The bone marrow puncture extracting device for the hematology department according to the claim 1, characterized in that the adjusting block comprises a first adjusting block and a second adjusting block, wherein the first adjusting block is internally provided with internal threads, the rotating shaft is provided with external threads, and the internal threads of the first adjusting block are meshed with the external threads of the rotating shaft; the utility model discloses a pivot, including first regulating block, pivot, second regulating block, pivot, the spliced eye is opened to second regulating block one side, in the spliced eye is pegged graft to the pivot, be equipped with the anticreep piece in the second regulating block, anticreep piece diameter is big than the spliced eye, anticreep piece and second regulating block fixed connection.
5. The apparatus for bone marrow aspiration for hematology department according to claim 1, wherein the upper casing is externally provided with external threads, the lower casing is internally provided with internal threads, and the external threads of the upper casing are engaged with the internal threads of the lower casing.
6. The bone marrow puncture extracting device for hematology department according to claim 1, characterized in that, the two sides under the upper shell are provided with upper grooves, the scale block is arranged in the upper grooves, when the upper shell is connected with the lower shell, the scale block is arranged in the lower grooves after moving downwards.
7. The bone marrow puncture extracting device for the hematology department according to the claim 1, characterized in that a base is arranged below the lower shell, the side end of the lower shell is provided with an observation groove, and the lower shell is wholly made of transparent plastic material.
CN202020535273.7U 2020-04-13 2020-04-13 Bone marrow puncture extraction device for hematology department Active CN213430267U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020535273.7U CN213430267U (en) 2020-04-13 2020-04-13 Bone marrow puncture extraction device for hematology department

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020535273.7U CN213430267U (en) 2020-04-13 2020-04-13 Bone marrow puncture extraction device for hematology department

Publications (1)

Publication Number Publication Date
CN213430267U true CN213430267U (en) 2021-06-15

Family

ID=76288496

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020535273.7U Active CN213430267U (en) 2020-04-13 2020-04-13 Bone marrow puncture extraction device for hematology department

Country Status (1)

Country Link
CN (1) CN213430267U (en)

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20211018

Address after: Room 19, 177 Huaxing Road, Taierzhuang District, Zaozhuang City, Shandong Province 277400

Patentee after: Chen Chen

Address before: Zhangdian District of Shandong city of Zibo province Xingyuan road 255000 No. 8

Patentee before: Chen Chen

TR01 Transfer of patent right