CN210277300U - Bone marrow puncture device for collecting hematopoietic stem cells - Google Patents
Bone marrow puncture device for collecting hematopoietic stem cells Download PDFInfo
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- CN210277300U CN210277300U CN201920523365.0U CN201920523365U CN210277300U CN 210277300 U CN210277300 U CN 210277300U CN 201920523365 U CN201920523365 U CN 201920523365U CN 210277300 U CN210277300 U CN 210277300U
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- puncture needle
- puncture
- bone marrow
- stem cells
- hematopoietic stem
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Abstract
The utility model discloses a gather marrow piercing depth for hemopoietic stem cell, which comprises a housin, the casing is inside to run through from top to bottom and is equipped with a pjncture needle, the lower extreme of pjncture needle is equipped with the puncture needle head, the upper end sealing connection of pjncture needle has the collection pipe, the outside fixed cover of pjncture needle is equipped with an adapter sleeve, the adapter sleeve also runs through and extends to the casing upper end, the middle fixed cover of adapter sleeve is equipped with a stopper, the inside cavity of having seted up of casing, roof symmetry rigid coupling has the gag lever post of two vertical settings in the cavity, and two gag lever posts all run through sliding connection with the stopper, the adjustment mechanism that cooperation adapter sleeve and p. The utility model discloses can adjust the puncture depth of pjncture needle and come to puncture obesity patient, the slow misery of accommodation process is littleer, and it is more convenient to use.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to gather marrow piercing depth for hemopoietic stem cell.
Background
At present, in the process of collecting stem cells from bone marrow, the traditional bone puncture needle is still used for puncture and liquid extraction, the existing bone puncture needle mostly adopts an epidural puncture needle with the length of 8cm, along with the increase of obese patients, the 8cm epidural puncture needle can often meet the problem that the puncture and liquid extraction cannot be completed because the length is not enough, and the patients can be suffered from pain in the puncture process and are inconvenient to use.
Therefore, we propose a bone marrow puncture device for collecting hematopoietic stem cells.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems in the background art and providing a bone marrow puncture device for collecting hematopoietic stem cells.
In order to achieve the above purpose, the utility model adopts the following technical scheme: gather marrow piercing depth for hemopoietic stem cell, which comprises a housin, the casing is inside from top to bottom runs through and is equipped with a pjncture needle, the lower extreme of pjncture needle is equipped with the puncture needle head, the upper end sealing connection of pjncture needle has the collection pipe, the outside fixed cover of pjncture needle is equipped with an adapter sleeve, the adapter sleeve also runs through and extends to the casing upper end, the middle fixed cover of adapter sleeve is equipped with a stopper, the cavity has been seted up to the casing is inside, roof symmetry rigid coupling has the gag lever post of two vertical settings in the cavity, and two gag lever posts all run through sliding connection with the stopper, the adjustment mechanism that cooperation adapter sleeve and.
In foretell collection bone marrow piercing depth for hematopoietic stem cell, adjustment mechanism includes that the casing upper end runs through fixed mounting has a bearing, the fixed cover of inner circle of bearing is equipped with a rotating tube, and the rotating tube overlaps just to be established in the outside of adapter sleeve and pjncture needle, the internal thread has been seted up to the inner wall of rotating tube, the external screw thread has been seted up on the outer wall of adapter sleeve, and rotating tube and adapter sleeve threaded connection, the fixed cover of upper end outside of rotating tube still is equipped with a knob.
In the above bone marrow puncture device for collecting hematopoietic stem cells, a telescopic ruler parallel to the puncture needle is further fixed to the housing.
In the above bone marrow puncture device for collecting hematopoietic stem cells, the lower end of the housing is further fixedly connected with a positioning block used in cooperation with the puncture needle, and the puncture needle is connected with the positioning block in a penetrating and sliding manner.
In the above bone marrow puncture device for collecting hematopoietic stem cells, the knob is provided with anti-slip threads on the outside thereof.
In the above bone marrow puncture device for collecting hematopoietic stem cells, a rubber anti-slip sleeve is sleeved outside the housing.
The utility model has the advantages that: the telescopic ruler is arranged to assist medical staff to observe and control the puncture depth of a common patient during puncture; when the length that the too obese pjncture needle of patient exposes outside the casing is not enough, carry out the transmission through rotating the knob and can make the pjncture needle outwards extend to increase the puncture degree of depth and come to puncture obese patient, the slow misery of accommodation process is littleer, and it is more convenient to use.
Drawings
FIG. 1 is a schematic structural view of a bone marrow puncturing device for collecting hematopoietic stem cells according to the present invention;
fig. 2 is an enlarged schematic view of the structure of the regulating mechanism of the bone marrow puncturing device for collecting hematopoietic stem cells according to the present invention.
In the figure: the puncture needle comprises a shell 1, a puncture needle 2, a puncture needle head 3, a collection tube 4, a connection sleeve 5, a limiting block 6, a cavity 7, a limiting rod 8, a bearing 9, a rotating tube 10, a knob 11, a telescopic ruler 12 and a positioning block 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, the bone marrow puncture device for collecting hematopoietic stem cells comprises a shell 1, wherein a puncture needle 2 penetrates through the interior of the shell 1 from top to bottom, a puncture needle head 3 is arranged at the lower end of the puncture needle 2, the upper end of the puncture needle 2 is hermetically connected with a collection tube 4, a connecting sleeve 5 is fixedly sleeved outside the puncture needle 2, the connecting sleeve 5 also penetrates and extends to the upper end of the shell 1, a limiting block 6 is fixedly sleeved in the middle of the connecting sleeve 5, a cavity 7 is formed in the shell 1, two vertically arranged limiting rods 8 are symmetrically and fixedly connected to the inner top wall of the cavity 7, and the two limiting rods 8 are in penetrating sliding connection; the lower end of the shell 1 is also fixedly connected with a positioning block 13 matched with the puncture needle 2 for use, and the puncture needle 2 is in penetrating sliding connection with the positioning block 13, so that the angle can not deviate when the puncture needle 2 moves, and the puncture precision is higher; a telescopic ruler 12 parallel to the puncture needle 2 is also fixedly arranged on the shell 1, so that medical staff can control the puncture depth more conveniently;
the upper end of the shell 1 is also provided with an adjusting mechanism matched with the connecting sleeve 5 and the puncture needle 2 for use, the adjusting mechanism comprises a bearing 9 fixedly installed at the upper end of the shell 1 in a penetrating manner, an inner ring of the bearing 9 is fixedly sleeved with a rotating pipe 10, the rotating pipe 10 is just sleeved outside the connecting sleeve 5 and the puncture needle 2, an inner thread is formed on the inner wall of the rotating pipe 10, an outer thread is formed on the outer wall of the connecting sleeve 5, the rotating pipe 10 is in threaded connection with the connecting sleeve 5, the outer part of the upper end of the rotating pipe 10 is also fixedly sleeved with a knob 11, and anti-skid threads are formed on the outer part of; the outside cover of casing 1 is equipped with rubber antiskid cover, and the handheld puncture of medical personnel of being convenient for is safer.
When the utility model is used, medical staff can puncture by holding the shell 1, and when ordinary patients are punctured, the puncture depth of the puncture needle 2 can be observed and controlled by observing the scale of the telescopic ruler 12; when the length of the over-obese puncture needle 2 exposed outside the shell 1 is not enough, the knob 11 is rotated, the knob 11 rotates to drive the rotating tube 10 to rotate, and the connecting sleeve 5 is in threaded connection with the rotating tube 10 and is limited by the limiting block 6 and the two limiting rods 8, so that when the rotating tube 10 rotates, the connecting sleeve 5 and the puncture needle 2 can only slide downwards along the limiting rods 8, and the puncture needle 2 can extend outwards by rotating the knob 11 to increase the puncture depth.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The bone marrow puncture device for collecting hematopoietic stem cells comprises a shell (1) and is characterized in that, a puncture needle (2) penetrates through the shell (1) from top to bottom, a puncture needle head (3) is arranged at the lower end of the puncture needle (2), the upper end of the puncture needle (2) is hermetically connected with a collecting tube (4), a connecting sleeve (5) is fixedly sleeved outside the puncture needle (2), the connecting sleeve (5) also penetrates and extends to the upper end of the shell (1), a limiting block (6) is fixedly sleeved in the middle of the connecting sleeve (5), a cavity (7) is arranged in the shell (1), two vertically arranged limiting rods (8) are symmetrically and fixedly connected to the inner top wall of the cavity (7), and two limiting rods (8) are connected with the limiting blocks (6) in a penetrating and sliding manner, and an adjusting mechanism matched with the connecting sleeve (5) and the puncture needle (2) for use is further installed at the upper end of the shell (1).
2. The bone marrow puncture device for collecting hematopoietic stem cells according to claim 1, wherein the adjusting mechanism comprises a bearing (9) fixedly installed at the upper end of the housing (1) in a penetrating manner, an inner ring of the bearing (9) is fixedly sleeved with a rotating tube (10), the rotating tube (10) is just sleeved outside the connecting sleeve (5) and the puncture needle (2), an inner thread is formed on the inner wall of the rotating tube (10), an outer thread is formed on the outer wall of the connecting sleeve (5), the rotating tube (10) is in threaded connection with the connecting sleeve (5), and a knob (11) is further fixedly sleeved outside the upper end of the rotating tube (10).
3. The bone marrow puncture device for collecting hematopoietic stem cells according to claim 1, wherein a telescopic ruler (12) parallel to the puncture needle (2) is further fixed to the housing (1).
4. The bone marrow puncture device for collecting hematopoietic stem cells according to claim 1, wherein a positioning block (13) used in cooperation with the puncture needle (2) is further fixedly connected to the lower end of the housing (1), and the puncture needle (2) is slidably connected with the positioning block (13) in a penetrating manner.
5. The bone marrow puncture device for collecting hematopoietic stem cells according to claim 2, wherein the knob (11) has an anti-slip thread formed on the outside thereof.
6. The bone marrow puncture device for collecting hematopoietic stem cells according to claim 1, wherein the casing (1) is externally sleeved with a rubber anti-slip sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920523365.0U CN210277300U (en) | 2019-04-17 | 2019-04-17 | Bone marrow puncture device for collecting hematopoietic stem cells |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920523365.0U CN210277300U (en) | 2019-04-17 | 2019-04-17 | Bone marrow puncture device for collecting hematopoietic stem cells |
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| Publication Number | Publication Date |
|---|---|
| CN210277300U true CN210277300U (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920523365.0U Active CN210277300U (en) | 2019-04-17 | 2019-04-17 | Bone marrow puncture device for collecting hematopoietic stem cells |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111467005A (en) * | 2020-04-15 | 2020-07-31 | 聊城市人民医院 | Positioning type intraspinal medical needle |
| CN117481763A (en) * | 2023-12-22 | 2024-02-02 | 中国人民解放军总医院第一医学中心 | Nasal mucosa puncture positioning device for stem cell transnasal transplantation |
| CN117481763B (en) * | 2023-12-22 | 2024-04-30 | 中国人民解放军总医院第一医学中心 | Nasal mucosa puncture positioning device for stem cell transnasal transplantation |
-
2019
- 2019-04-17 CN CN201920523365.0U patent/CN210277300U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111467005A (en) * | 2020-04-15 | 2020-07-31 | 聊城市人民医院 | Positioning type intraspinal medical needle |
| CN117481763A (en) * | 2023-12-22 | 2024-02-02 | 中国人民解放军总医院第一医学中心 | Nasal mucosa puncture positioning device for stem cell transnasal transplantation |
| CN117481763B (en) * | 2023-12-22 | 2024-04-30 | 中国人民解放军总医院第一医学中心 | Nasal mucosa puncture positioning device for stem cell transnasal transplantation |
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