CN109480918B - Bone marrow puncture extraction device for hematology department - Google Patents
Bone marrow puncture extraction device for hematology department Download PDFInfo
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- CN109480918B CN109480918B CN201811576649.2A CN201811576649A CN109480918B CN 109480918 B CN109480918 B CN 109480918B CN 201811576649 A CN201811576649 A CN 201811576649A CN 109480918 B CN109480918 B CN 109480918B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
- A61B10/0283—Pointed or sharp biopsy instruments with vacuum aspiration, e.g. caused by retractable plunger or by connected syringe
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
- A61B10/025—Pointed or sharp biopsy instruments for taking bone, bone marrow or cartilage samples
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
- A61B10/025—Pointed or sharp biopsy instruments for taking bone, bone marrow or cartilage samples
- A61B2010/0258—Marrow samples
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Abstract
The invention discloses a bone marrow puncture and extraction device for hematology department, which comprises a needle cylinder, a needle core seat and a needle core, wherein the needle core is movably arranged at one end of the needle cylinder through the needle core seat, one side of the needle core seat close to the needle core is fixedly connected with a connecting sleeve with a horn-shaped structure, one end of the needle core is fixedly sleeved in the connecting sleeve, and the other end of the needle core is an obliquely arranged end face. The bone marrow puncture extraction device for the hematology department can ensure that the needle core is connected and fixed with the needle cylinder through the needle core seat more firmly, and can avoid the situation that in the prior art, when the bone marrow puncture extraction is finished, the needle core is easy to separate from the needle cylinder to cause injury to personnel in the process of pulling out the needle core, so that unnecessary troubles caused by use of people are reduced, the operation of both hands of medical personnel is not needed in the extraction process, the extraction operation can be carried out by one hand, the operation is simpler, and the use of people is facilitated.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a bone marrow puncture and extraction device for a blood internal medicine.
Background
Hematology is a branch of medicine that treats mainly hematopoietic system problems. The hematology department may also provide professional services for many hematological problems other than hematological diseases and conduct multiple technical tests. Common erythrocytic diseases such as anemia, iron deficiency anemia, aplastic anemia, hemoglobinopathy, and porphyria. Leukocytopathy such as leukopenia, neutropenia and agranulocytosis, acute leukemia, acute myelogenous leukemia, acute lymphocytic leukemia, acute leukemia, etc. Hemorrhage, and blood coagulation diseases such as vascular purpura, anaphylactoid purpura, thrombocytopenia, idiopathic thrombocytopenic purpura, thrombotic thrombocytopenic purpura, etc.
When the inspection of hematology department, often need the marrow puncture, usually for puncture earlier, two steps of back suction are accomplished, at present, the marrow puncture draw-out device that the hospital used generally comprises for cylinder, push rod, suction piston, nook closing member seat and nook closing member etc. and the nook closing member is mostly the tubule, carries out the suction through nook closing member disect insertion patient's marrow cavity.
However, in the prior art, the stylet is usually directly inserted into the needle cylinder through the stylet holder, and the connection is not firm, when the stylet is pulled out after the bone marrow puncture extraction, the stylet is easy to be separated from the needle cylinder to cause injury to people, which causes unnecessary troubles to people.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a bone marrow puncture and extraction device for hematology department.
The invention provides a bone marrow puncture extraction device for hematology department, which comprises a needle cylinder, a needle core seat and a needle core, wherein the needle core is movably arranged at one end of the needle cylinder through the needle core seat, one side of the needle core seat close to the needle core is fixedly connected with a connecting sleeve with a horn-shaped structure, one end of the needle core is fixedly sleeved in the connecting sleeve, the other end of the needle core is an end surface which is obliquely arranged, the whole needle core seat is of a tubular structure, one side of the needle cylinder close to the needle core seat is fixedly connected with a connecting pipe, and one end of the connecting pipe is arranged in the needle core seat through threads;
the outer wall of a connecting pipe positioned inside the needle core seat is provided with external threads, the inner wall of the needle core seat is provided with internal threads, the external threads on the outer wall of the connecting pipe are in threaded connection with the internal threads on the inner wall of the needle core seat, one side of the needle cylinder close to the needle core seat is fixedly connected with two fixed columns, the two fixed columns are respectively positioned on two sides of the connecting pipe, one sides of the two fixed columns close to the needle cylinder are respectively provided with a groove, movable rods are respectively and movably arranged in the two grooves, one end of each movable rod penetrates through the outer part of the fixed column and is fixedly connected with the same movable ring, the movable ring is movably sleeved outside the connecting pipe, one side of the movable ring is abutted against and contacted with one side of the needle core seat, an elastic spring is fixedly connected between the;
the needle cylinder internalization is equipped with the suction piston, fixedly connected with piston rod on the suction piston, and the one end of piston rod extends to the outside of needle cylinder and the vertical connecting rod that sets up of fixedly connected with, the bottom one end fixedly connected with handle that the needle cylinder is close to the connecting rod, the bottom slidable mounting of needle cylinder has the sliding block, and the sliding block is located one side that the connecting rod was kept away from to the handle, the trigger is withheld to the bottom fixedly connected with of sliding block, the sliding block is close to one side fixedly connected with gangbar of handle, and the one end of gangbar slide run through the handle and with one side bottom fixed connection of.
Preferably, one side of the connecting sleeve, which is close to the connecting pipe, is fixedly bonded with a rubber sealing ring, the outer wall of the rubber sealing ring is fixedly sleeved on the inner wall of the needle core seat, and the end face of one end of the connecting pipe is in tight sealing contact with one side of the rubber sealing ring.
Preferably, a through hole is formed in the inner wall of the side, close to the connecting pipe, of the needle cylinder, and the connecting pipe is communicated with the inside of the needle cylinder through the through hole.
Preferably, the one end fixedly connected with limit slide block of the movable rod that is located the recess, all be equipped with spacing spout on the both sides inner wall of recess, and limit slide block's both sides respectively with two spacing spout sliding connection.
Preferably, a movable hole is formed in the inner wall of one side, close to the movable ring, of the groove, and the movable rod movably penetrates through the movable hole.
Preferably, the bottom of cylinder is equipped with the sliding tray, and the top slidable mounting of sliding block is in the sliding tray.
Preferably, the upper portion of handle is equipped with the slide opening, and the gangbar activity runs through the slide opening and with the inner wall sliding connection of slide opening.
Preferably, one side of the handle close to the trigger is provided with anti-slip rubber grains.
Preferably, the top upper surface of the syringe is provided with a container scale, and the unit of the container scale is milliliter.
The invention has the beneficial effects that:
1. according to the bone marrow puncture extraction device for the hematology department, the needle core is firmly connected and fixed with the needle cylinder through the needle core seat, when the connection is needed, the connecting pipe at one end of the needle cylinder is screwed with the internal thread on the inner wall of the needle core seat through the external thread, and the reverse thrust of the elastic spring is generated between the needle core seat and the connecting pipe, so that the external thread on the outer wall of the connecting pipe and the internal thread on the inner wall of the needle core seat are connected more tightly and firmly through the threads, thread slipping can be prevented, the needle core is ensured to be firmly connected and fixed with the needle cylinder through the needle core seat, the situation that the needle core is easily separated from the needle cylinder to cause personal injury in the process of pulling out the needle core after the bone marrow puncture extraction in the prior art can be avoided, and unnecessary troubles caused by people in use are reduced.
2. The bone marrow puncture extraction device for the hematology department is simple to operate, the trigger is buckled by the forefinger, the trigger moves backwards and drives the connecting rod to move backwards through the linkage rod, the connecting rod pulls and pulls the suction piston through the piston rod, therefore, the bone marrow in a human body can be extracted by utilizing the negative pressure generated by the movement of the suction piston in the needle cylinder through the piston, and the extraction amount can be conveniently observed by people through setting the container scale.
3. In conclusion, the bone marrow puncture and extraction device for the hematology department can ensure that the needle core is connected and fixed with the needle cylinder through the needle core seat more firmly, and can avoid the situation that in the prior art, after the bone marrow puncture and extraction, the needle core is easy to separate from the needle cylinder in the process of pulling out the needle core, so that the injury of personnel is caused, thereby reducing unnecessary troubles caused when people use the device, in addition, the double-hand operation of medical personnel is not needed in the extraction process, the single-hand extraction operation is only needed, the operation is simpler, and the use of the people is facilitated.
Drawings
FIG. 1 is a schematic structural diagram of a bone marrow puncture and extraction device for hematology department according to the present invention;
FIG. 2 is a schematic cross-sectional view of a bone marrow aspiration device for hematology department according to the present invention;
FIG. 3 is an enlarged view of part A of FIG. 2;
FIG. 4 is a schematic view of a connection structure between a needle core and a needle core seat of the device for puncturing and extracting bone marrow in a blood department according to the present invention;
FIG. 5 is a schematic view of a connection structure between a handle and a connection tube of the bone marrow puncture and extraction device for hematology department according to the present invention;
fig. 6 is a schematic view of a connection structure between a piston rod and a suction piston in the bone marrow puncture and extraction device for hematology department provided by the invention.
In the figure: 1 syringe, 2 nooks, 3 handles, 4 connecting tubes, 5 nook closing rests, 6 adapter sleeves, 7 movable rings, 8 container scales, 9 withholding triggers, 10 sliding blocks, 11 linkage rods, 12 connecting rods, 13 piston rods, 14 suction pistons, 15 external threads, 16 internal threads, 17 elastic springs, 18 fixed columns, 19 grooves, 20 movable rods, 21 limiting sliding blocks, 22 through holes, 23 movable holes and 24 rubber sealing rings.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Examples
Referring to fig. 1-6, the embodiment provides a bone marrow puncture extracting device for hematology department, including a needle cylinder 1, a needle core seat 5 and a needle core 2, wherein the needle core 2 is movably mounted on one end of the needle cylinder 1 through the needle core seat 5, one side of the needle core seat 5 close to the needle core 2 is fixedly connected with a connecting sleeve 6 with a horn-shaped structure, one end of the needle core 2 is fixedly sleeved inside the connecting sleeve 6, the other end of the needle core 2 is an obliquely arranged end surface, the needle core seat 5 is integrally tubular, one side of the needle cylinder 1 close to the needle core seat 5 is fixedly connected with a connecting pipe 4, and one end of the connecting pipe 4 is mounted inside the needle core seat 5 through a thread;
the outer wall of the connecting pipe 4 positioned in the needle core seat 5 is provided with an external thread 15, the inner wall of the needle core seat 5 is provided with an internal thread 16, and the external thread 15 on the outer wall of the connecting pipe 4 is in threaded connection with the internal thread 16 on the inner wall of the needle core seat 5, one side of the needle cylinder 1 close to the needle core seat 5 is fixedly connected with two fixing columns 18, two fixing columns 18 are respectively positioned at two sides of the connecting pipe 4, one side of the two fixing columns 18 close to the needle cylinder 1 is provided with a groove 19, movable rods 20 are respectively movably arranged in the two grooves 19, and one end of each movable rod 20 penetrates to the outside of the fixed column 18 and is fixedly connected with the same movable ring 7, the movable ring 7 is movably sleeved outside the connecting pipe 4, one side of the movable ring 7 is abutted against one side of the needle core seat 5, an elastic spring 17 is fixedly connected between the movable ring 7 and the fixed column 18, and the elastic spring 17 is sleeved outside the movable rod 20;
a suction piston 14 is movably arranged in the needle cylinder 1, a piston rod 13 is fixedly connected to the suction piston 14, one end of the piston rod 13 extends to the outside of the needle cylinder 1 and is fixedly connected with a vertically arranged connecting rod 12, one end of the needle cylinder 1, which is close to the bottom of the connecting rod 12, is fixedly connected with a handle 3, a sliding block 10 is slidably installed at the bottom of the needle cylinder 1, the sliding block 10 is positioned at one side of the handle 3, which is far away from the connecting rod 12, a withholding trigger 9 is fixedly connected to the bottom of the sliding block 10, a linkage rod 11 is fixedly connected to one side of the sliding block 10, which is close to the handle 3, and one end of the linkage rod; the bone marrow puncture extraction device for the hematology department can ensure that the needle core 2 is connected and fixed with the needle cylinder 1 through the needle core seat 5 more firmly, and can avoid the situation that in the prior art, after the bone marrow puncture extraction, the needle core 2 is easy to separate from the needle cylinder 1 in the process of pulling out the needle core 2, so that personnel injury is caused, thereby reducing unnecessary troubles caused when people use the device, in addition, the double-hand operation of medical personnel is not needed in the extraction process, the single-hand extraction operation is only needed, the operation is simpler, and the use of the people is convenient.
A rubber seal ring 24 is fixedly bonded on one side of the connecting sleeve 6 close to the connecting pipe 4, the outer wall of the rubber seal ring 24 is fixedly sleeved on the inner wall of the needle cylinder seat 5, the end surface of one end of the connecting pipe 4 is tightly contacted with one side of the rubber seal ring 24 in a sealing manner, the sealing performance of an internal joint is ensured by arranging the rubber seal ring 24, a through hole 22 is arranged on the inner wall of one side of the needle cylinder 1 close to the connecting pipe 4, the connecting pipe 4 is communicated with the inside of the needle cylinder 1 through the through hole 22, a limit slide block 21 is fixedly connected with one end of a movable rod 20 positioned in a groove 19, limit slide grooves are respectively arranged on the inner walls of two sides of the groove 19, two sides of the limit slide block 21 are respectively connected with the two limit slide grooves in a sliding manner, a movable hole 23 is arranged on the inner wall of one side of the groove 19 close to the movable, the upper part of the handle 3 is provided with a sliding hole, the linkage rod 11 movably penetrates through the sliding hole and is in sliding connection with the inner wall of the sliding hole, one side of the handle 3 close to the withholding trigger 9 is provided with anti-slip rubber grains which can play a role of skid resistance by being provided with the anti-slip rubber grains, the upper surface of the top of the needle cylinder 1 is provided with container scales 8, the unit of the container scales 8 is milliliter, and people can conveniently observe the extracted amount by arranging the container scales 8; the bone marrow puncture extraction device for the hematology department can ensure that the needle core 2 is connected and fixed with the needle cylinder 1 through the needle core seat 5 more firmly, and can avoid the situation that in the prior art, after the bone marrow puncture extraction, the needle core 2 is easy to separate from the needle cylinder 1 in the process of pulling out the needle core 2, so that personnel injury is caused, thereby reducing unnecessary troubles caused when people use the device, in addition, the double-hand operation of medical personnel is not needed in the extraction process, the single-hand extraction operation is only needed, the operation is simpler, and the use of the people is convenient.
In the embodiment, the bone marrow puncture extracting device for the hematology department, the needle core 2 is fixedly connected with the needle cylinder 1 through the needle core seat 5, when the connection is needed, the connecting pipe 4 at one end of the needle cylinder 1 is screwed with the internal thread 16 on the inner wall of the needle core seat 5 through the external thread 15, and in the process of the thread installation, the needle core seat 5 can extrude the movable ring 7, meanwhile, the movable ring 7 can extrude the elastic spring 17, the elastic spring 17 is compressed and deformed, after the needle core 2 is installed with the connecting pipe 4 on the needle cylinder 1 through the needle core seat 5 and the threads, the elastic spring 17 can generate the reverse action of the elasticity, the elastic spring 17 reversely pushes the movable ring 7, meanwhile, the movable ring 7 generates the reverse thrust force to the needle core seat 5, so that the reverse thrust force of the elastic spring 17 can be generated between the needle core seat 5 and the connecting pipe 4, and therefore, the external thread 15 on the outer wall of the connecting pipe 4 and the internal thread 16 on the inner wall of the needle core seat 5 Inseparabler, more firm, can prevent like this that the screw thread from slipping to guaranteed that nook closing member 2 is connected fixedly more firmly through nook closing member seat 5 and cylinder 1, can avoid among the prior art when the bone marrow puncture extracts the back at the in-process of dialling out nook closing member 2, make nook closing member 2 break away from and cause the condition of personnel's injury from cylinder 1 easily, thereby reduced the unnecessary trouble that people caused when using.
In addition, in the bone marrow puncture and extraction device for the hematology department in the embodiment, the handle 3 is used for holding the thumb and the palm of a person together, the trigger 9 is used for pressing the forefinger of the person, the operation is simple when the bone marrow puncture and extraction device is used for extraction, only one hand is used for operation, the needle core 2 is used for bone marrow puncture, then the trigger 9 is pressed by the forefinger, the trigger 9 moves backwards and drives the connecting rod 12 to move backwards through the linkage rod 11, the connecting rod 12 pulls and pulls the suction piston 14 through the piston rod 13, therefore, the bone marrow in the human body can be extracted through the negative pressure generated by the movement of the piston in the needle cylinder 1 of the suction piston 14, the extraction amount is convenient for the people to observe by setting the container scale 8, the operation of the two hands of the medical staff is not needed in the extraction process, the one-hand extraction operation can be realized, and the operation is simpler, is convenient for people to use.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The bone marrow puncture extraction device for the hematology department comprises a needle cylinder (1), a needle core seat (5) and a needle core (2), wherein the needle core (2) is movably arranged at one end of the needle cylinder (1) through the needle core seat (5), and is characterized in that one side, close to the needle core (2), of the needle core seat (5) is fixedly connected with a connecting sleeve (6) with a horn-shaped structure, one end of the needle core (2) is fixedly connected inside the connecting sleeve (6), the other end of the needle core (2) is an end face which is obliquely arranged, the whole needle core seat (5) is of a tubular structure, one side, close to the needle core seat (5), of the needle cylinder (1) is fixedly connected with a connecting pipe (4), and one end of the connecting pipe (4) is arranged inside the needle core seat (5) through threads;
the outer wall of the connecting pipe (4) positioned inside the needle core seat (5) is provided with an external thread (15), the inner wall of the needle core seat (5) is provided with an internal thread (16), the external thread (15) on the outer wall of the connecting pipe (4) is in threaded connection with the internal thread (16) on the inner wall of the needle core seat (5), one side of the needle cylinder (1) close to the needle core seat (5) is fixedly connected with two fixed columns (18), the two fixed columns (18) are respectively positioned at two sides of the connecting pipe (4), one sides of the two fixed columns (18) close to the needle cylinder (1) are respectively provided with a groove (19), movable rods (20) are respectively and movably arranged in the two grooves (19), one end of each movable rod (20) penetrates through the outer parts of the fixed columns (18) and is fixedly connected with the same movable ring (7), and the movable ring (7) is movably, one side of the movable ring (7) is abutted against one side of the needle core seat (5), an elastic spring (17) is fixedly connected between the movable ring (7) and the fixed column (18), and the elastic spring (17) is sleeved outside the movable rod (20);
needle cylinder (1) internalization is equipped with suction piston (14), fixedly connected with piston rod (13) is gone up in suction piston (14), and the one end of piston rod (13) extends to outside and the vertical connecting rod (12) that sets up of fixedly connected with of needle cylinder (1), bottom one end fixedly connected with handle (3) that needle cylinder (1) is close to connecting rod (12), the bottom slidable mounting of needle cylinder (1) has sliding block (10), and sliding block (10) are located one side that connecting rod (12) were kept away from in handle (3), the bottom fixedly connected with withholding trigger (9) of sliding block (10), sliding block (10) are close to one side fixedly connected with gangbar (11) of handle (3), and the one end of gangbar (11) slides and runs through handle (3) and with one side bottom fixed connection of connecting rod (12).
2. The bone marrow puncture extraction device for the hematology department according to claim 1, characterized in that a rubber seal ring (24) is fixedly bonded on one side of the connecting sleeve (6) close to the connecting pipe (4), the outer wall of the rubber seal ring (24) is fixedly sleeved on the inner wall of the needle core seat (5), and the end face of one end of the connecting pipe (4) is tightly and hermetically contacted with one side of the rubber seal ring (24).
3. The bone marrow puncture extraction device for hematology department according to claim 1, characterized in that the inner wall of one side of the needle cylinder (1) close to the connecting pipe (4) is provided with a through hole (22), and the connecting pipe (4) is communicated with the inside of the needle cylinder (1) through the through hole (22).
4. The bone marrow puncture extraction device for the hematology department according to claim 1, characterized in that one end of the movable rod (20) positioned in the groove (19) is fixedly connected with a limit slide block (21), the inner walls of the two sides of the groove (19) are respectively provided with a limit slide groove, and the two sides of the limit slide block (21) are respectively connected with the two limit slide grooves in a sliding manner.
5. The bone marrow puncture and extraction device for the hematology department according to the claim 1, characterized in that, the inner wall of one side of the groove (19) close to the movable ring (7) is provided with a movable hole (23), and the movable rod (20) movably penetrates through the movable hole (23).
6. A bone marrow puncture and extraction device for hematology department according to claim 1, characterized in that the bottom of the syringe (1) is provided with a sliding groove, and the top of the sliding block (10) is slidably installed in the sliding groove.
7. The bone marrow puncture and extraction device for the hematology department according to the claim 1, characterized in that the upper part of the handle (3) is provided with a sliding hole, and the linkage rod (11) movably penetrates through the sliding hole and is connected with the inner wall of the sliding hole in a sliding way.
8. The bone marrow puncture and extraction device for the hematology department according to the claim 1, characterized in that, one side of the handle (3) near the trigger (9) is provided with anti-skid rubber grains.
9. A bone marrow puncture and extraction device for hematology department according to claim 1, characterized in that the top surface of the top of the syringe (1) is provided with a container scale (8), and the unit of the container scale (8) is milliliter.
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| CN201811576649.2A CN109480918B (en) | 2018-12-23 | 2018-12-23 | Bone marrow puncture extraction device for hematology department |
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| CN201811576649.2A CN109480918B (en) | 2018-12-23 | 2018-12-23 | Bone marrow puncture extraction device for hematology department |
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| CN109480918B true CN109480918B (en) | 2021-07-13 |
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| CN110448342B (en) * | 2019-08-26 | 2020-10-13 | 吉林大学 | Device and method for puncturing bone marrow of patient after hematopoietic stem cell transplantation |
| CN110559019B (en) * | 2019-08-26 | 2020-11-24 | 吉林大学 | Survey patient's marrow microcirculation environment detection device after hemopoietic stem cell transplantation |
| WO2021134641A1 (en) * | 2019-12-30 | 2021-07-08 | 田丽华 | Medical syringe convenient for fixing needle |
| CN112483633A (en) * | 2020-11-20 | 2021-03-12 | 马鞍山市龙腾机电科技有限公司 | Special multifunctional gearbox shell for three-dimensional parking space |
| CN113081071A (en) * | 2021-04-10 | 2021-07-09 | 山东第一医科大学附属肿瘤医院(山东省肿瘤防治研究院、山东省肿瘤医院) | Tumor cell sampling and inspecting device |
| CN117530758B (en) * | 2023-11-01 | 2024-06-04 | 中国人民解放军总医院第六医学中心 | Acquisition device for bone marrow transplantation and application method thereof |
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| CN207152633U (en) * | 2017-02-23 | 2018-03-30 | 王玉珍 | A kind of multi-functional liver biopsy needle |
| CN207462100U (en) * | 2017-04-14 | 2018-06-08 | 陈永兵 | A kind of bone marrow aspiration sampler |
| CN208130004U (en) * | 2017-12-11 | 2018-11-23 | 天津德祥生物技术有限公司 | A kind of vacuum tightness detection blood storage device |
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| CN109480918A (en) | 2019-03-19 |
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