CN109124694B - Bone marrow puncture needle for hematology department - Google Patents
Bone marrow puncture needle for hematology department Download PDFInfo
- Publication number
- CN109124694B CN109124694B CN201810923565.5A CN201810923565A CN109124694B CN 109124694 B CN109124694 B CN 109124694B CN 201810923565 A CN201810923565 A CN 201810923565A CN 109124694 B CN109124694 B CN 109124694B
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- Prior art keywords
- puncture needle
- force application
- needle
- bone marrow
- connecting rod
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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
- A61B10/0045—Devices for taking samples of body liquids
-
- 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
-
- 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
Abstract
The invention discloses a bone marrow puncture needle for hematology department, which comprises a puncture needle, a positioning component for positioning the puncture needle, a force application component arranged on the positioning component and used for driving the puncture needle to be punctured into the body of a patient and an auxiliary component used for assisting the puncture needle to take out bone marrow, wherein the positioning component comprises a fixing piece and a connecting piece arranged on the fixing piece and used for connecting the force application component, the fixing piece comprises a fixing plate made of hard material and a silica gel attaching part fixed at the bottom of the fixing plate, and the problem that the bone puncture needle is inaccurate in orientation during puncture, is easy to slide into one side of an ilium and cannot enter a marrow cavity or passes through the marrow cavity after penetrating the marrow cavity is solved.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a bone marrow puncture needle for hematology department.
Background
Bone marrow aspiration is a common diagnostic technique for collecting bone marrow fluid, and is also commonly used for blood cell morphology examination in clinic, hematopoietic stem cell collection, culture, cytogenetic analysis, pathogenic biology examination and the like.
The collecting tool for collecting the bone marrow fluid usually mainly comprises a bone puncture needle, the orientation of the commonly used bone puncture needle is inaccurate during puncture, and a needle head of the bone puncture needle can slide into one side of an ilium and can not enter a bone marrow cavity or penetrate through the bone marrow cavity and then pass out of the bone marrow cavity; and meanwhile, the puncture depth cannot be accurately controlled.
In order to solve the above problems, the chinese patent publication No. CN106308853A discloses a bone marrow puncture needle for hematology, which has the technical points that: including puncture needle tubing, puncture needle tubing middle part threaded connection rotator and spacing ring, the anti-skidding rubber circle has been cup jointed on the rotator surface, the fixer is connected through the bearing in the rotator bottom, fixer end connection adsorbent, puncture needle tubing bottom joint syringe needle, puncture needle tubing lower part surface is equipped with the screw ring, be equipped with a plurality of pinholes on the screw ring, the cavity intercommunication of pinhole and puncture needle tube inner chamber, puncture needle tubing surface is equipped with the scale mark, puncture needle tubing upper portion side installation reservoir, reservoir top installation negative pressure gasbag, the reservoir side is alternate and is inserted the scale needle, puncture needle tubing top has cup jointed the handle.
The technical scheme solves the problems that the bone puncture needle is inaccurate in orientation during puncture, is easy to slide into one side of an ilium and cannot enter a medullary cavity or penetrates into the medullary cavity and then penetrates out of the medullary cavity, and meanwhile, the invention provides a new technical scheme to solve the problems.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a bone marrow puncture needle for hematology department, which solves the problems that the bone puncture needle is inaccurate in orientation and is easy to slide into one side of the ilium during puncture by adding a positioning component, a force application component and an auxiliary component.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides a hematology department marrow pjncture needle, includes the pjncture needle, is used for the locating component of location pjncture needle, installs and is used for driving the pjncture needle to pierce the internal application of force subassembly of patient and be used for assisting the auxiliary component that the pjncture needle took out the marrow on locating component, locating component includes the mounting, installs the connecting piece that is used for connecting application of force subassembly on the mounting, the mounting includes the fixed plate made by hard material, is fixed in the silica gel laminating portion of fixed plate bottom.
Through adopting above-mentioned technical scheme, when the doctor need gather patient's marrow liquid, let the patient side earlier crouch or lie prone on the sick bed, then be fixed in patient back through fixed plate and silica gel laminating portion with the pjncture needle on, pierce the pjncture needle through the application of force subassembly after that the patient is internal, take out the detection with marrow liquid through the auxiliary member at last. The fixed plate made of hard materials can avoid a doctor to shake left and right when the doctor takes the marrow liquid through the force application assembly, the silica gel attaching part can be better attached to the back of a patient and is completely contacted with the back of the patient, so that the friction force between the fixing part and the patient is increased, the fixed plate is prevented from moving, the doctor can be more accurately positioned when the patient's marrow liquid is collected, and the problem of deviation of the puncture needle when the marrow liquid is taken is solved.
The invention is further configured to: the volume of silica gel laminating portion is greater than the fixed plate volume, the one end that silica gel laminating portion deviates from the fixed plate is equipped with the stickness.
Through adopting above-mentioned technical scheme, the volume of silica gel laminating portion is greater than the fixed plate volume and has the stickness, can further increase the frictional force between fixed plate and the patient like this, the better removal that prevents the mounting.
The invention is further configured to: the connecting piece is including being L shape setting and one end and fixed plate vertical fixation, the other end and fixed plate parallel arrangement's connecting rod, cup joint in the application of force cover in the connecting rod perpendicular to fixed plate one end outside, the one end that the fixed plate was kept away from to the connecting rod is connected with the application of force subassembly.
Through adopting above-mentioned technical scheme, the doctor holds the connecting rod with the hand during use, then is fixed in patient's back with silica gel laminating portion on, the connecting rod sets up with the fixed plate is perpendicular, can make the doctor hold and push down the power of connecting rod more evenly transmit to the fixed plate on, prevent that the connecting rod from rolling about.
The invention is further configured to: the force application assembly comprises a force application ring fixedly connected to one end, deviating from the fixing piece, of the connecting rod, a stud, a through hole and force application rods, wherein the stud is connected to the force application ring in a threaded mode and used for driving the puncture needle to sample, the through hole is formed in the axial direction of the stud, the force application rods are symmetrically and fixedly connected to two sides of the top of the stud, the through hole penetrates through the stud, one end of the stud penetrates through the force application ring and is located on the outer side of the force application ring, and.
By adopting the technical scheme, when taking marrow liquid, a doctor fixes the puncture needle on the through hole, the through hole and the puncture needle are coaxially arranged, the puncture needle is not positioned in the through hole, and then the doctor rotates the stud through the force applying ring to enable the stud to move towards the back of a patient, so that the puncture needle is punctured into the body of the patient.
The invention is further configured to: the puncture needle comprises a needle end, a drainage tube fixedly connected to the rear side of the needle end and a force application block sleeved outside the drainage tube and fixedly connected with the rear side of the needle end, the needle end is arranged in a hollow mode and is mutually communicated with the drainage tube, and one end, fixed to the puncture needle, of the drainage tube penetrates through the through hole and is located on the outer side of the through hole.
By adopting the technical scheme, when the puncture needle enters the body of a patient, the marrow liquid flows through the puncture needle to enter the drainage tube, and is finally collected into the auxiliary part for assay detection. The force application block is sleeved on the rear side of the needle end and is fixedly connected with the puncture needle, so that the puncture needle can be prevented from entering the through hole after being stressed and can not puncture the body of a patient to sample the marrow fluid.
The invention is further configured to: and a drainage hole is formed in the side wall of the front part of the needle end of the puncture needle.
Through adopting above-mentioned technical scheme, both can make in the marrow liquid flows into the auxiliary member from the drainage hole, increase the extraction rate of marrow liquid, can also avoid leading to the problem of marrow liquid sample failure in can not flowing into the auxiliary member because of conflicting the bone inside wall and being stopped up because of pjncture needle tip.
The invention is further configured to: the bottom of the stud is provided with a cutting groove matched with the force application block in an inserting mode, the cross section of the force application block is polygonal, the cutting groove and the through hole are coaxially arranged, the force application block is assembled in the cutting groove in an inserting mode, and the puncture needle is located on the outer side of the cutting groove.
By adopting the technical scheme, the puncture needle can rotate along with the stud, and the rotating puncture needle can puncture the ilium of the patient for sampling more easily.
The invention is further configured to: the auxiliary part includes the one end sealing connection and the cavity that keep away from the pjncture needle with the drainage tube and set up the intercommunication needle, install on the connecting rod with intercommunication needle sealing connection's storage bottle, the storage bottle internal gas pressure is negative pressure setting and the bottleneck of storage bottle is sealed by rubber materials.
Through adopting above-mentioned technical scheme, will communicate needle end and pass the storage bottle bottleneck and arrange inside the storage bottle during the use, the storage bottle that the negative pressure set up can give a suction for the marrow liquid, makes the marrow liquid more easily be extracted in the storage bottle.
In conclusion, the invention has the following beneficial effects:
firstly, the puncture needle is fixed on the back of a patient by the silica gel fitting part and the fixing plate, and the connecting rod which is vertically arranged and is arranged in an L shape can prevent the puncture needle from shaking left and right when a doctor punctures;
and secondly, the thread drives the puncture needle to be punctured into the patient body, the puncture needle can be better controlled to be punctured into the length of the patient body, and the puncture needle rotates along with the stud, so that the puncture needle is more stable when being punctured into the patient body.
Drawings
FIG. 1 is an overall structural view of the present embodiment;
FIG. 2 is a cross-sectional view of the needle of the present example;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an exploded view of the auxiliary member and the force applying assembly of the present embodiment;
FIG. 5 is a cross-sectional view of the communication needle in the present embodiment;
FIG. 6 is an exploded view of the stud and force application block of this example.
In the figure: 1. puncturing needle; 11. a needle end; 12. a drainage tube; 13. a force application block; 14. a drainage hole; 2. a positioning assembly; 21. a fixing member; 211. a fixing plate; 212. a silica gel attaching part; 22. a connecting member; 221. a connecting rod; 222. a force application sleeve; 3. a force application assembly; 31. a force application ring; 32. a stud; 33. a through hole; 34. a force application rod; 35. grooving; 4. an auxiliary member; 41. a communicating needle; 42. and (7) storing the bottles.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
Example (b): a puncture needle 1 for blood department bone marrow, as shown in figure 1, comprises a puncture needle 1, a positioning component 2 for positioning the puncture needle 1, a force application component 3 which is arranged on the positioning component 2 and is used for driving the puncture needle 1 to puncture into the body of a patient, and an auxiliary component 4 for assisting the puncture needle 1 to take out bone marrow.
Referring to fig. 1 and 2, the puncture needle 1 includes a hollow needle end 11, a drainage tube 12 is fixedly connected to the rear side of the needle end 11, and the needle end 11 is hollow and is communicated with the drainage tube 12. The rear side of the needle end 11 is provided with a force application block 13, wherein the force application block 13 is sleeved outside the drainage tube 12 and is fixedly connected with the rear side of the needle end 11. The side wall of the front end of the needle end 11 is provided with a plurality of drainage holes 14 (as shown in fig. 3), the drainage holes 14 are provided with a plurality of groups on the side wall of the front section of the needle end 11, so that the extraction amount of the bone marrow fluid in the same time can be increased, meanwhile, when the needle end 11 passes through one side of a bone and is abutted to the other side, the extraction holes on the needle end 11 can be blocked, and the drainage holes 14 cannot be blocked due to the fact that the drainage holes 14 are located on the side wall of the needle end 11, so that the bone marrow fluid can flow into the auxiliary part 4 from the drainage holes 14. The marrow fluid flows into the auxiliary part 4 from the drainage hole 14, and the problem that the marrow fluid fails to flow into the auxiliary part 4 because the needle end 11 of the puncture needle 1 is blocked by abutting against the inner side wall of the bone, is also avoided.
Referring to fig. 1 and 4, the positioning assembly 2 includes a fixing member 21, and a connecting member 22 for connecting the force application assembly 3 is fixedly connected to the top of the fixing member 21. The fixing member 21 comprises a fixing plate 211 made of a rigid material and a silica gel fitting part 212 fixed at the bottom of the fixing plate 211, and when the fixing member 21 is used, the silica gel fitting part 212 is fitted with the back of a patient to fixedly connect the fixing member 21 to the back of the patient. The volume of silica gel laminating portion 212 is greater than the fixed plate 211 volume and the one end that silica gel laminating portion 212 deviates from fixed plate 211 is equipped with the stickness, can further increase the frictional force between fixed plate 211 and the patient like this, the better removal that prevents mounting 21.
Referring to fig. 1 and 4, the connecting member 22 includes a connecting rod 221 disposed in an L shape, one end of the connecting rod 221 is fixed perpendicular to the fixing plate 211, and the other end is parallel to the fixing plate 211. The middle outer side of one end of the connecting rod 221, which is close to the fixing plate 211, is sleeved with the force application sleeve 222, wherein the force application sleeve 222 can be made of flexible materials such as rubber, so that the friction force between the doctor's hand and the connecting rod 221 can be increased, and the comfort level of the doctor when holding the connecting rod 221 by hand can be improved. The connection rod 221 is vertically arranged with the fixing plate 211, so that the force of the doctor holding and pressing down the connection rod 221 can be more uniformly transmitted to the fixing plate 211, and the connection rod 221 is prevented from shaking left and right.
With reference to fig. 1, 4 and 6, the force application assembly 3 includes a force application ring 31 fixedly connected to an end of the connecting rod 221 away from the fixing member 21, and an axis of the force application ring 31 is perpendicular to the fixing member 21. A stud 32 is screwed to the force application ring 31 to drive the puncture needle 1 to extract bone marrow fluid. Through holes 33 are formed in the axial direction of the studs 32, and the through holes 33 penetrate through the whole stud 32 and are used for the drainage tube 12 to penetrate through. The two sides of the top of the stud 32 are symmetrically and fixedly connected with force applying rods 34, so that a doctor can rotate the stud 32 to drive the puncture needle 1 to be punctured into a patient. A cutting groove 35 matched with the force application block 13 in an inserting mode is formed in the bottom of the stud 32, the cross sections of the force application block 13 and the cutting groove 35 are polygonal, and the cutting groove 35 and the through hole 33 are coaxially arranged. This allows the needle 1 to rotate with the stud 32, and the rotating needle 1 can more easily penetrate the iliac bone of the patient for sampling.
Referring to fig. 1 and 4, the auxiliary member 4 comprises a storage bottle 42 detachably connected to the connecting rod 221 through a bolt, and a hollow communicating needle 41 (see fig. 5) is hermetically connected to an end of the drainage tube 12 away from the puncture needle 1, wherein the air pressure in the storage bottle 42 is set to be negative pressure and the mouth of the storage bottle 42 is sealed by a rubber material. When the bone marrow extractor is used, the needle end 11 of the communicating needle 41 penetrates through the opening of the storage bottle 42 and is arranged in the storage bottle 42, the storage bottle 42 arranged under the negative pressure can give a suction force to bone marrow liquid, and the bone marrow liquid can be more easily extracted into the storage bottle 42.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (3)
1. A hematology department bone marrow puncture needle is characterized in that: the bone marrow puncture device comprises a puncture needle (1), a positioning assembly (2) for positioning the puncture needle (1), a force application assembly (3) which is arranged on the positioning assembly (2) and used for driving the puncture needle (1) to puncture the body of a patient, and an auxiliary part (4) for assisting the puncture needle (1) in taking out bone marrow, wherein the positioning assembly (2) comprises a fixing part (21) and a connecting part (22) which is arranged on the fixing part (21) and used for connecting the force application assembly (3), and the fixing part (21) comprises a fixing plate (211) made of a hard material and a silica gel laminating part (212) fixed at the bottom of the fixing plate (211);
the volume of the silica gel attaching part (212) is larger than that of the fixing plate (211), and viscosity is arranged at one end, deviating from the fixing plate (211), of the silica gel attaching part (212);
the connecting piece (22) comprises a connecting rod (221) which is arranged in an L shape, one end of the connecting rod is vertically fixed with the fixed plate (211), the other end of the connecting rod is parallel to the fixed plate, and a force application sleeve (222) which is sleeved on the connecting rod (221) and is vertical to the outer side of one end of the fixed plate (22), wherein one end, far away from the fixed plate (211), of the connecting rod (221) is connected with the force application component (3);
the force application assembly (3) comprises a force application ring (31) fixedly connected to one end, deviating from the fixing piece (21), of the connecting rod (221), a stud (32) which is connected to the force application ring (31) in a threaded mode and used for driving the puncture needle (1) to sample, a through hole (33) formed in the axial direction of the stud (32), and force application rods (34) symmetrically and fixedly connected to two sides of the top of the stud (32), wherein the through hole (33) penetrates through the stud (32), one end of the stud (32) penetrates through the force application ring (31) and is located on the outer side of the force application ring (31), and the axis of the force application ring (31) is perpendicular to the fixing piece (21);
the puncture needle (1) comprises a needle end (11), a drainage tube (12) fixedly connected to the rear side of the needle end (11), and a force application block (13) sleeved outside the drainage tube (12) and fixedly connected with the rear side of the needle end (11), the needle end (11) is arranged in a hollow mode and is communicated with the drainage tube (12), and one end, fixed with the puncture needle (1), of the drainage tube (12) penetrates through a through hole (33) and is located on the outer side of the through hole (33);
the bottom of the stud (32) is provided with a cutting groove (35) which is matched with the force application block (13) in an inserting mode, the cross section of the force application block (13) is polygonal, the cutting groove (35) and the through hole (33) are coaxially arranged, the force application block (13) is assembled in the cutting groove (35) in an inserting mode, and the puncture needle (1) is located on the outer side of the cutting groove (35).
2. A hematological bone marrow puncture needle according to claim 1, wherein: the side wall of the front part of the needle end (11) of the puncture needle (1) is provided with a drainage hole (14).
3. A hematological bone marrow puncture needle according to claim 1, wherein: auxiliary member (4) include with drainage tube (12) keep away from one end sealing connection and the cavity of pjncture needle (1) and communicate needle (41) that set up, install on connecting rod (221) with communicate needle (41) sealing connection's storage bottle (42), storage bottle (42) internal gas pressure is negative pressure setting and the bottleneck of storage bottle (42) is sealed by rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810923565.5A CN109124694B (en) | 2018-08-14 | 2018-08-14 | Bone marrow puncture needle for hematology department |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810923565.5A CN109124694B (en) | 2018-08-14 | 2018-08-14 | Bone marrow puncture needle for hematology department |
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| CN109124694A CN109124694A (en) | 2019-01-04 |
| CN109124694B true CN109124694B (en) | 2021-08-27 |
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| CN201810923565.5A Active CN109124694B (en) | 2018-08-14 | 2018-08-14 | Bone marrow puncture needle for hematology department |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112914689B (en) * | 2021-01-20 | 2022-03-25 | 王文军 | Intervertebral bone marrow recovery device |
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| CN207136874U (en) * | 2017-02-28 | 2018-03-27 | 吕晓伟 | A kind of hematology's marrow puncture device |
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| CN207693597U (en) * | 2017-09-17 | 2018-08-07 | 龙海英 | A kind of hematology's marrow puncture device |
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| CA2485904C (en) * | 2002-05-31 | 2013-05-21 | Vidacare Corporation | Apparatus and method to access the bone marrow |
| US20160030016A1 (en) * | 2014-07-30 | 2016-02-04 | Covidien Lp | Exchangeable core biopsy needle |
| CN203970510U (en) * | 2014-07-31 | 2014-12-03 | 温州市中心医院 | A kind of marrow puncture needle |
| WO2016125032A1 (en) * | 2015-02-02 | 2016-08-11 | Yale University | Integrated painless bone marrow biopsy device |
| DE102015118011A1 (en) * | 2015-10-22 | 2017-04-27 | Human Med Ag | Device for transplanting body fat |
| CN105943090A (en) * | 2016-05-11 | 2016-09-21 | 山西医科大学第二医院 | Marrow puncture needle |
| CN108354657A (en) * | 2018-02-26 | 2018-08-03 | 温州市中心医院 | Bone puncture biopsy needle |
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|---|---|---|---|---|
| CN204839581U (en) * | 2015-08-07 | 2015-12-09 | 佳木斯大学 | Marrow puncture needle |
| CN205094552U (en) * | 2015-10-26 | 2016-03-23 | 王卫东 | Bone marrow puncture of hematology needle |
| CN106308853A (en) * | 2016-08-17 | 2017-01-11 | 中国人民解放军第三军医大学第二附属医院 | Bone marrow aspiration needle of hematology department |
| CN206621376U (en) * | 2016-11-10 | 2017-11-10 | 王彩虹 | A kind of marrow puncture device |
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| CN108186057A (en) * | 2018-01-29 | 2018-06-22 | 三明学院 | A kind of marrow puncture needle |
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| CN109124694A (en) | 2019-01-04 |
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