CN214804891U - Bone marrow puncture needle - Google Patents
Bone marrow puncture needle Download PDFInfo
- Publication number
- CN214804891U CN214804891U CN202120352138.3U CN202120352138U CN214804891U CN 214804891 U CN214804891 U CN 214804891U CN 202120352138 U CN202120352138 U CN 202120352138U CN 214804891 U CN214804891 U CN 214804891U
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- China
- Prior art keywords
- needle body
- needle
- bone marrow
- wall
- hole
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- Expired - Fee Related
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- 210000001185 bone marrow Anatomy 0.000 title claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 60
- 239000011148 porous material Substances 0.000 claims abstract description 8
- 238000000605 extraction Methods 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 11
- 230000006378 damage Effects 0.000 abstract description 9
- 208000027418 Wounds and injury Diseases 0.000 abstract description 5
- 208000014674 injury Diseases 0.000 abstract description 5
- 230000002265 prevention Effects 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 210000001519 tissue Anatomy 0.000 description 5
- 210000000988 bone and bone Anatomy 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 210000004027 cell Anatomy 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 208000032467 Aplastic anaemia Diseases 0.000 description 1
- 201000003793 Myelodysplastic syndrome Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001574 biopsy Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 210000002798 bone marrow cell Anatomy 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010827 pathological analysis Methods 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model discloses a marrow pjncture needle, including the needle body, prevent stifled liquid portion of getting and intercommunicating pore, the one end of needle body is equipped with the puncture head, and the other end of needle body is equipped with the intercommunication portion, and the outer wall of needle body is equipped with prevents stifled liquid portion of getting, and the center of needle body is equipped with the communicating intercommunicating pore with the intercommunication portion, the puncture head have with the inclined plane of needle body axial tilt, the next-door neighbour's intercommunication portion sets up the portion of gripping on the needle body, the portion of gripping is established between puncture head and intercommunication portion. The utility model provides a bone marrow puncture needle which has simple structure, high collection efficiency and pollution prevention and can prevent blockage and further cause secondary injury.
Description
Technical Field
The utility model belongs to pjncture needle equipment field, more specifically relates to a marrow pjncture needle.
Background
The marrow biopsy is to take a cylindrical sample with a length of 0.5-1 cm and a complete marrow tissue structure by a special puncture needle for pathological examination. It can not only understand the components of bone marrow cells and the distribution of primitive cells, but also observe the cell morphology to make pathological diagnosis, and has important significance for the diagnosis of aplastic anemia and myelodysplasia. The bone marrow puncture needle in the prior art adopts a structure of a needle body and a needle core, the needle core is inserted into the needle body, the needle rotates left and right after contacting with a bone, the bone is slowly punctured, when the resistance disappears and the puncture needle is fixed in the bone, the puncture needle enters a bone marrow cavity, the needle core is pulled out, a dry 20ml syringe is connected, and the bone marrow is slowly sucked with proper force. The following drawbacks exist in such operations: 1. the needle hole is easy to block, when the bone marrow fluid is extracted, the bone marrow fluid tissue blocks the needle hole of the sleeve, so that the thick needle needs to be used for puncturing again, the workload is increased, and the secondary injury can be caused to the sampled person; 2. the tail of the puncture needle in the prior art is small and is in a revolving body shape, so that the puncture needle is inconvenient to hold during puncture; 3. without scaling, it is easy to cause secondary damage in cases where the puncture depth is not clear.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bone marrow puncture needle, solving the problems existing in the prior art.
The utility model discloses a marrow pjncture needle, including the needle body, prevent stifled liquid portion of getting and intercommunicating pore, the one end of needle body is equipped with the puncture head, and the other end of needle body is equipped with the intercommunication portion, and the outer wall of needle body is equipped with prevents stifled liquid portion of getting, and the center of needle body is equipped with the communicating intercommunicating pore with the intercommunication portion, the puncture head have with the inclined plane of needle body axial tilt, the next-door neighbour's intercommunication portion sets up the portion of gripping on the needle body, the portion of gripping is established between puncture head and intercommunication portion.
In some embodiments, the anti-blocking liquid taking part comprises a plurality of first liquid taking holes arranged on the outer wall of the needle body, the first liquid taking holes are arranged on the outer wall of the needle body in a staggered mode, and the first liquid taking holes are communicated with the communication holes.
In some embodiments, the anti-blocking liquid taking part comprises a second liquid taking hole and a moving part, the moving part is arranged on the inner wall of the communication hole, one end of the moving part extends out of the communication part, the other end of the moving part is arranged below the second liquid taking hole, and the moving part controls the size of the second liquid taking hole.
In some embodiments, the moving portion includes a sliding groove and a shielding plate disposed on an inner wall of the communicating hole, the shielding plate is inserted into the sliding groove, one end of the shielding plate is disposed below the second liquid taking hole, and a pull ring is disposed at the other end of the shielding plate and pulls the shielding plate to move in the sliding groove, so as to enlarge the hole diameter of the second liquid taking hole.
In some embodiments, the outer wall of the needle body is provided with graduation marks.
In some embodiments, the holding portion comprises a driving handle and a limiting block, the driving handle and the limiting block are sequentially arranged from the communicating portion to the puncture head, and a gap is formed between the limiting block and the driving handle.
In some embodiments, the annular protrusion of the limiting block is arranged on the outer wall of the needle body, and the two driving handles are symmetrically arranged on the outer wall of the needle body.
In some embodiments, the communication portion is provided with a cap that seals the communication hole.
The utility model provides a bone marrow puncture needle, its beneficial effect lies in:
1. the utility model provides a bone marrow puncture needle which has simple structure, high collection efficiency, prevents pollution and reduces the side damage to the body as much as possible, and prevents blockage and secondary damage;
2. the utility model prevents the blockage in the sampling process of the marrow by arranging the anti-blocking liquid taking part on the outer wall of the needle body, thereby causing the secondary injury of the person to be sampled when the secondary puncture is carried out; the communicating part can be used for matching and connecting the needle tube and sealing the communicating hole and the outside to prevent the sample from being polluted in the puncturing process; the puncture operation is conveniently completed by utilizing the holding part, so that the use is more convenient; the scale arranged on the outer wall of the needle body is used for visually prompting the puncture depth for an operator, so that the condition that the puncture depth is too large to cause side damage is prevented.
Drawings
FIG. 1 is a schematic structural view of a bone marrow puncture needle according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a bone marrow puncture needle according to an embodiment of the present invention;
FIG. 3 is a schematic view showing the structure of an embodiment of an anti-clogging liquid-extracting portion of a bone marrow puncture needle according to an embodiment of the present invention;
fig. 4 is a schematic structural view of an embodiment of an anti-clogging liquid extraction unit of a bone marrow puncture needle according to an embodiment of the present invention.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functional, method, or structural equivalents and substitutions made by these embodiments are within the scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or interconnected between two elements, directly or indirectly through intervening media, and the specific meaning of the terms may be understood by those skilled in the art according to their specific situation.
As shown in fig. 1 and 2, the utility model discloses a marrow puncture needle, including needle body 1, prevent stifled liquid portion 2 and the intercommunicating pore 3 of getting, the one end of needle body 1 is equipped with puncture head 11, the other end of needle body 1 is equipped with intercommunication portion 4, the outer wall of needle body 1 is equipped with prevents stifled liquid portion 2 of getting, the center of needle body 1 is equipped with intercommunication portion 4 communicating intercommunicating pore 3, puncture head 11 has the inclined plane with 1 axial tilt of needle body, during concrete implementation, puncture head 11 establishes to be solid, at the during operation, can not take place the risk on stifled. A holding part 5 is arranged on the needle body 1 adjacent to the communication part 4, and the holding part 5 is arranged between the puncture head 11 and the communication part 4. The anti-blocking liquid taking part 2 is arranged on the outer wall of the needle body 1, so that the blocking in the bone marrow sampling process is prevented, and further, the secondary injury of a person to be sampled is caused by secondary puncture; the communicating part 4 can be used for matching and connecting the needle tube and sealing the communicating hole 3 and the outside to prevent the sample from being polluted in the puncturing process; the puncture operation is convenient to be completed by utilizing the holding part 5, and the use is more convenient. The solid piercing head 11 is more effective in piercing.
The puncture head 11 has an inclined plane inclined axially to the needle body 1, wherein the inclined plane is inclined axially to the needle body 1 by an angle of 13 ° to 17 °, preferably 15 °, in order to obtain an optimal puncture effect. Meanwhile, the puncturing head is solid and is not communicated with the communicating hole, so that puncturing can be effectively carried out.
As shown in fig. 3, the anti-blocking liquid taking part 2 comprises a plurality of first liquid taking holes 211 arranged on the outer wall of the needle body 1, the first liquid taking holes 211 are arranged on the outer wall of the needle body 1 in a staggered manner, and the first liquid taking holes 211 are communicated with the communicating holes 3. When extracting the bone marrow liquid, the first liquid taking hole 211 is inevitably blocked by bone marrow tissues, but the probability that the first liquid taking holes 211 are blocked can be greatly reduced when a plurality of first liquid taking holes 211 are formed, and then the bone marrow liquid is extracted.
As shown in fig. 4, the anti-clogging liquid extracting unit 2 includes a second liquid extracting hole 221 and a moving unit 222, the moving unit 222 is provided on the inner wall of the communicating hole 3, one end of the moving unit 222 extends out of the communicating portion 4, the other end of the moving unit 222 is provided below the second liquid extracting hole 221, and the moving unit 222 controls the size of the second liquid extracting hole 221. After the second liquid extraction hole 221 is blocked by bone marrow tissue, the moving part 222 reduces the shielding of the second liquid extraction hole 221 to increase the aperture of the second liquid extraction hole 221, thereby ensuring that bone marrow liquid can be extracted.
The moving portion 222 includes a sliding groove 223 formed in an inner wall of the communication hole 3 and a shielding plate 224, the shielding plate 224 is inserted into the sliding groove 223, one end of the shielding plate 224 is disposed below the second liquid taking hole 221, the other end of the shielding plate 224 is provided with a pull ring 225, and the pull ring 225 pulls the shielding plate 224 to move in the sliding groove 223, thereby enlarging the aperture of the second liquid taking hole 221. When setting, firstly, a longer rectangular hole is needed to be set as the second liquid taking hole 221, the shielding plate 224 covers more than half of the second liquid taking hole 221 at the initial position, and when bone marrow puncture is performed, if the second liquid taking hole 221 is blocked by bone marrow tissue, the shielding plate 224 is drawn out by pulling the pull ring 225, so that the second liquid taking hole 221 is enlarged, and bone marrow liquid is extracted.
Put through the setting and block up and get liquid portion, can ensure that first liquid hole 211 and the second of getting is got liquid hole 221 and can is extracted bone marrow liquid, accomplishes the marrow puncture, need not to carry out the secondary puncture to the person of being sampled again, improves puncture inspection efficiency and prevents to cause the secondary injury to the person of being sampled simultaneously.
The outer wall of the needle body 1 is provided with scale marks 6. Seven scales are arranged on the needle body 1 for the arrangement of the scale marks 6, and the interval between every two scales is 1cm, so that the needle inserting depth in the operation can be determined, and the clinical operation is convenient.
The grip portion 5 includes a driving grip 51 and a stopper 52, the driving grip 51 and the stopper 52 are sequentially provided from the communicating portion 4 toward the puncture head 11, and a gap is provided between the stopper 52 and the driving grip 51. The grip 51 is actuated to be gripped by the middle finger and the index finger for operation, and the stopper 52 is spaced apart from each other to facilitate the placement of the middle finger and the index finger. Meanwhile, the driving grip 51 has a concave arc shape so as to be attached to fingers and be convenient to operate.
The limiting blocks 52 are annularly protruded on the outer wall of the needle body 1, and the driving handles 51 are symmetrically arranged on the outer wall of the needle body 1. The stop block 52 is convenient for preventing the hands from sliding when puncturing is carried out, and the positions of the middle finger and the index finger are limited. One end of the needle body 1 close to the communicating part 4 is provided with anti-slip lines, and the outer wall of the limiting block 52 is also required to be provided with anti-slip lines, so that the puncture operation can be conveniently carried out.
The communicating part 4 is provided with a sealing cap 41, the sealing cap 41 seals the communicating hole 3, the sealing cap 41 closes the communicating hole 3 when puncture is carried out, when the puncture finishes the extraction of the marrow liquid, the sealing cap 41 is screwed down to connect the communicating hole 3 and the needle tube for extraction, so that the direct contact with the communicating hole 3 is prevented when puncture is carried out, and further the pollution extraction is prevented.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, similar modifications and improvements can be made without departing from the inventive concept, and these should also be considered as within the protection scope of the present invention.
Claims (8)
1. The utility model provides a marrow pjncture needle, its characterized in that includes the needle body, prevents stifled liquid portion of getting and intercommunicating pore, the one end of needle body is equipped with the puncture head, the other end of needle body is equipped with the intercommunication portion, the outer wall of needle body is equipped with prevents stifled liquid portion of getting, the center of needle body be equipped with the communicating pore that communicates with the portion, the puncture head have with the inclined plane of needle body axial slope, the last next-door neighbour's intercommunication portion of needle body sets up the portion of gripping, the portion of gripping is established between puncture head and intercommunication portion.
2. The bone marrow puncture needle according to claim 1, characterized in that the anti-blocking liquid extraction part comprises a plurality of first liquid extraction holes arranged on the outer wall of the needle body, the first liquid extraction holes are arranged on the outer wall of the needle body in a staggered manner, and the first liquid extraction holes are communicated with the communication holes.
3. The bone marrow puncture needle according to claim 1, wherein the anti-blocking liquid extraction portion comprises a second liquid extraction hole and a moving portion, the moving portion is arranged on the inner wall of the communication hole and has one end extending out of the communication hole, the other end of the moving portion is arranged below the second liquid extraction hole, and the moving portion controls the size of the second liquid extraction hole.
4. The bone marrow puncture needle according to claim 3, wherein the moving portion comprises a sliding groove provided on the inner wall of the communicating hole and a shielding plate, the shielding plate is inserted into the sliding groove, one end of the shielding plate is disposed below the second liquid taking hole, the other end of the shielding plate is provided with a pull ring, and the pull ring pulls the shielding plate to move in the sliding groove, thereby enlarging the aperture of the second liquid taking hole.
5. A bone marrow puncture needle according to any one of claims 1-4, characterized in that the outer wall of the needle body is provided with graduation marks.
6. The bone marrow puncture needle according to any one of claims 1 to 4, characterized in that the holding portion comprises a driving grip and a limiting block, the driving grip and the limiting block are arranged in sequence from the communicating portion to the puncture head, and a gap is arranged between the limiting block and the driving grip.
7. The bone marrow puncture needle according to claim 6, wherein the limiting block is annularly protruded on the outer wall of the needle body, and the driving grip is provided with two parts which are symmetrically arranged on the outer wall of the needle body.
8. A bone marrow puncture needle according to any one of claims 1 to 4, characterized in that the communicating portion is provided with a cap which seals the communicating hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120352138.3U CN214804891U (en) | 2021-02-05 | 2021-02-05 | Bone marrow puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120352138.3U CN214804891U (en) | 2021-02-05 | 2021-02-05 | Bone marrow puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214804891U true CN214804891U (en) | 2021-11-23 |
Family
ID=80005754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120352138.3U Expired - Fee Related CN214804891U (en) | 2021-02-05 | 2021-02-05 | Bone marrow puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214804891U (en) |
-
2021
- 2021-02-05 CN CN202120352138.3U patent/CN214804891U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211123 |