CN209059281U - Myeloid biopsy needle suit - Google Patents
Myeloid biopsy needle suit Download PDFInfo
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- CN209059281U CN209059281U CN201821642671.8U CN201821642671U CN209059281U CN 209059281 U CN209059281 U CN 209059281U CN 201821642671 U CN201821642671 U CN 201821642671U CN 209059281 U CN209059281 U CN 209059281U
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- needle tubing
- needle
- core bar
- ring cutting
- tubing seat
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Abstract
The utility model discloses a kind of myeloid biopsy needle suit, which includes trocar, ring cutting needle tubing and core bar.Wherein, trocar is tubulose, and front end is that inclined-plane rear end is fixed with set needle stand, and the both sides of the edge symmetric position for covering needle stand is provided with set needle stand checkpost slot.The front end of ring cutting needle tubing is provided on rear side of ring cutting cutter head and is fixed with needle tubing seat, and the two sides of needle tubing seat pass through connecting rod respectively and are fixed with needle tubing seat checkpost slot.The fixed core bar handle matching in the rear end of core bar is installed in needle tubing seat in card slot, and the two sides of core bar handle, which are formed by bending forward U-shaped structure and can match to be plugged in, to be covered in needle stand checkpost slot and in needle tubing seat checkpost slot.It is when the utility model is used not in the operating process that new component is inserted into after extracting corresponding component, there is no the factors for introducing extraneous germ, achieve the purpose that thoroughly to prevent infected wound, further increase medical safety.The structure design of the utility model is reasonable, simple to operate, can be improved sampling procedure efficiency.
Description
Technical field
The utility model belongs to bone marrow examination equipment technology field, and in particular to a kind of myeloid biopsy needle suit.
Background technique
Bone marrow examination is clinically commonly to be easy one of universal and effective deagnostic test method.Bone marrow examination is available
In the diagnosis of disease of hematopoietic system, such as to the antidiastole of the antidiastole of leukaemia, various anaemias, Huppert's disease and blood
The diagnosis of platelet increasing or decreasing property disease.When bone marrow examination can also be used in certain infectious diseases such as infectious endocarditis
Marrow culture helps to improve the positive rate of disease diagnosis, when plasmodium and leishmania donovani infect, has by bone marrow examination
Help find protozoon and clarify a diagnosis.When certain malignant tumours, bone marrow neoplasms may determine whether by bone marrow examination, because
Marrow is the predilection site of many Malignant tumor of bonal metastasis.It is clinically common to be easy universal and effective deagnostic test method.
Bone marrow examination is divided to bone marrow aspiration and two kinds of bone marrow biopsy.It is to extract a small amount of marrow to be checked that osteomedullary bone, which is worn,.Marrow
It is filled in ossis and bone spongiosa mesh, dividend marrow and two kinds of yellow marrow.Red marrow has hematopoiesis function, and yellow marrow has greatly
Measure adipose tissue.Increase with the age, the red marrow in pulp cavity is gradually replaced by yellow marrow.Red marrow remaines in canalis spinalis, breastbone, rib
It is the predominant haematological organ of human body, haemocyte in the spongiosa of bone, clavicle, shoulder blade, ilium, skull and femur and upper end of humerus
The exception of quality and quantity be hemopathic important pathological change.It can make up for it the deficiency of bone marrow puncture using bone marrow biopsy art,
And biopsy extraction is big, not only will appreciate that the cell component in marrow, and be able to maintain bone marrow structure, and malignant cell is easier to recognize
Know, is convenient for pathological diagnosis.Also the diagnosis of some diseases is it should be understood that myeloid tissue structure, such as alpastic anemia, marrow
Hyperplasia exception syndrome, malignant tumour marrow transfer etc. just need myelopathy Neo-Confucianism inspection.Bone marrow biopsy art is to aplastic
The how many understanding of anemic marrow hematopoietic tissue has the certain significance；The initial cell abnormal distribution (ALIP) of bone marrow biopsy histotomy
Phenomenon is significant to the diagnosis of myelodysplastic syndrome.In addition, judgement of the biopsy to bone marrow necrosis or fatty marrow
It is significant.
Current existing marrow biopsy art just takes about 0.5~1 centimetre of a fritter with a special puncture needle
Long cylindrical bone myeloid tissue makees pathological examination.Operating method is approximate with bone marrow puncture, but the material taken out maintains
Complete myeloid tissue structure, can overcome the disadvantages that the deficiency of bone marrow aspiration.Existing bone marrow biopsy art is common in ring cutting needle biopsy method, utilizes
Cutting needle trocar tip has a notch, as needle spiral shape side tool, on needle core, after penetrating sclerotin, extracts needle core, is loaded on
Extender, be inserted into needle core, be rotated down clockwise, after being transferred to 1~1.5 centimetre, then in a clockwise direction upwards rotation and
Extract puncture needle.Needle core is extracted, and all probes enter from the end of trocar, carefully sample are pushed on clean slide.Existing pass
In the document of myeloid biopsy needle and the product that uses, also it is mostly be will first cut needle guard needle carry solid needle core pass through together it is harder
Bone, then extract solid needle core and be inserted into longer hollow needle core and be rotated down into extracting after 1~1.5 centimetre,
It also needs to release sample using thinner probe.Either by hollow core needle guard mounted in cut in needle guard needle and with cut needle guard needle into
Enter bone, then extract needle core, be loaded on extender, is inserted into needle core, is rotated down clockwise, after being transferred to 1~1.5 centimetre,
It rotates upwards in a clockwise direction again and extracts puncture needle.What this few suit component must be extracted and be inserted into when in use
Operation, or even there is repeatedly plug operation, it is easy by environmental pollution, there are wound infection risks.And troublesome in poeration, each component
It needs also to need to deposit in gnotobasis after disinfection treatment and use, actually each needle core is actually complete in use
In full exposure and environment, absolutesterility operation cannot achieve, so there is also the factors for introducing extraneous germ.
Utility model content
The utility model be currently used for myeloid biopsy needle there are aiming at the problem that and use process be readily incorporated extraneous germ
The case where and operating process trouble problem, provide it is a kind of need not by needle core extraction trocar can complete sample marrow live
Needle guard dress is examined, reaching prevents infected wound and raising ease-to-operate.
The utility model solves technical solution used by above-mentioned technical problem and is to provide a kind of myeloid biopsy needle suit, should
Suit includes trocar, ring cutting needle tubing and core bar.Wherein, trocar is tubulose, and front end is inclined-plane, and rear end is fixed with set needle stand, is covered
The both sides of the edge symmetric position of needle stand is provided with set needle stand checkpost slot.The front end of ring cutting needle tubing is provided with ring cutting cutter head, and rear side is solid
Surely there is needle tubing seat, the two sides of needle tubing seat pass through connecting rod respectively and are fixed with needle tubing seat checkpost slot, while on rear side of the needle tubing seat
Middle part is provided with card slot in needle tubing seat.The rear end of core bar is fixed with core bar handle, is provided with snap-gauge in the middle part of the core bar handle, leads to
It crosses snap-gauge matching to be installed in the needle tubing seat in card slot, the two sides of core bar handle are formed by bending forward U-shaped structure, in U-shaped knot
The both ends of structure are respectively arranged with plug, and the rear end of each plug is provided with block machine；Positioned at core bar handle two sides plug can
Be plugged in the set needle stand checkpost slot and needle tubing seat checkpost slot in；The ring cutting needle tubing is set in the trocar, described
Core bar is set in the ring cutting needle tubing；The needle tubing seat front side wall is greater than trocar assembly to the distance between ring cutting needle tubing front end
Total length, there are length difference be d.
Preferably design is vertical with the connecting rod of needle tubing seat by card slot in needle tubing seat, so that core bar handle and connecting rod be made to form cross
Shape structure is convenient for control rotational angle range in order to hold and rotate.
The ring cutting cutter head is that circumferentially sawtooth is distinguished in face in the end of ring cutting needle tubing, forms the cutter head of band saw dentation,
And the screw-in side of each laciniation is contained and bears portion.
The utility model has the beneficial effects that the utility model uses trocar assembly, ring cutting needle tubing component and core bar component,
And three components are always positioned in wound, and when use is not in the operation that new component is inserted into after extracting corresponding component
Journey, thus the situation for avoiding the component of external environment intracavitary again insertable into human bone marrow, i.e., there is no introduce extraneous germ because
Element achievees the purpose that thoroughly to prevent infected wound, further increases medical safety.The structure design of the utility model is reasonable, behaviour
Make simple and convenient, can be improved sampling procedure efficiency.
Detailed description of the invention
Fig. 1 is preceding detent (core bar handle and set needle stand checkpost slot are fixed) status diagram of the utility model.
Fig. 2 is the status diagram of appropriate drawing on the basis of Fig. 1 state.
Fig. 3 is rear detent (core bar handle and needle tubing seat checkpost slot are fixed) status diagram of the utility model.
Fig. 4 is the structural schematic diagram of core bar and its handle.
Fig. 5 is each component assembling schematic diagram of the utility model.
Fig. 6 be in Fig. 5 B to structural schematic diagram.
Fig. 7 is the portion A enlarged structure schematic diagram in Fig. 1.
Fig. 8 is the schematic diagram of the section structure of circular cutter head in Fig. 7.
Fig. 9 is size comparison's relational graph of each component in the utility model product.
Specific embodiment
A kind of myeloid biopsy needle suit as shown in Figure 1, including trocar assembly, ring cutting needle tubing component and core bar component, three
Person is successively set in together, and be fitted to each other use.It takes routine disinfection to handle before use, is carrying out bone marrow biopsy art preparation
After anesthesia procedure, which can be used for site of puncture.
Installation matching relationship between each component can be found in shown in Fig. 1-Fig. 8, be described below.
As shown in figure 5, trocar assembly includes trocar 1 and set needle stand 2, trocar 1 is tubulose, and front end is inclined-plane, in order to
Insertion musculature is simultaneously goed deep into sclerotin, and the rear end of trocar 1 is fixed with set needle stand 2.The both sides of the edge symmetric position of set needle stand 2 is set
It is equipped with set needle stand checkpost slot 3.
As shown in figure 5, ring cutting needle tubing component includes ring cutting needle tubing 4 and needle tubing seat 5, wherein the front end of ring cutting needle tubing 4 is arranged
There is ring cutting cutter head 10, which is that circumferentially sawtooth is distinguished in face in the end of ring cutting needle tubing 4, forms band saw dentation
Cutter head, as shown in Figure 7 and Figure 8.The rear side of ring cutting needle tubing 4 is fixed with needle tubing seat 5, and it is solid that the two sides of needle tubing seat 5 pass through connecting rod 6 respectively
Surely there is needle tubing seat checkpost slot 7, while the middle part of 5 rear side of needle tubing seat being provided with card slot 8 in needle tubing seat, as shown in fig. 6,
Also contain needle lumen 9 in needle tubing seat 5.
As shown in figure 5, core bar component includes solid core bar 11 and core bar handle 12, wherein core bar handle 12 is U-shaped knot
Structure.It can be seen from the figure that the two sides of core bar handle 12 are formed by bending forward U-shaped structure, and distinguish at the both ends of U-shaped structure
It is provided with plug 13, the rear end of each plug 13 is provided with block machine 14.It is fixed with core bar handle 12 in the rear end of core bar 11, the core bar
The middle part of handle 12 is provided with snap-gauge 15, is installed in the needle tubing seat in card slot 8 by the matching of snap-gauge 15.
Plug 13 positioned at 12 two sides of core bar handle, which can match, to be plugged in the set needle stand checkpost slot 3, and can be pushed away
It send and extracts, as in Figure 2-4, ring cutting needle tubing 4 is set in the trocar 1, and the core bar 11 is set in the ring cutting needle tubing 4
In.The plug 13 of 12 two sides of core bar handle, which can also match, to be plugged in the needle tubing seat checkpost slot 7, and can be pushed and be pulled out
Out.In order to realize the stability of assembly, it may be considered that bed course or rubbing surface or setting weak magnetic are arranged in respective card slot
Material layer, to ensure smoothly to install positioning.
As shown in figure 8, the middle length of trocar assembly is a, the total length of ring cutting needle tubing component is b, the overall length of core bar component
Degree is c, meets a < b≤c, and overall length of 5 front side wall of needle tubing seat to the distance between 4 front end of ring cutting needle tubing greater than trocar assembly
Degree is d there are length difference.
After trocar assembly, ring cutting needle tubing component and core bar component three's trocar, as illustrated in figures 1 and 8, ring cutting needle tubing
4 front end can extend slightly from or partially stretch out in the front end of trocar 1, and solid 11 front end of core bar is also inclined-plane, and slightly
Interior outer support can be haved the function that by stretching out ring cutting needle tubing 4 and trocar 1, the composite structure of this three layers of trocar, be convenient for trocar 1
It screws in bone bed.
In use, first trocar assembly, ring cutting needle tubing component and core bar component are successively set with as mode as shown in Figure 1,
The two sides of core bar handle 12 are installed in the set needle stand checkpost slot 3 of set 2 two sides of needle stand at this time, form integral structure.Due to needle tubing
Seat in card slot 8 it is vertical with the connecting rod 6 of needle tubing seat 5 (or inclination be other angles, such as 30 degree -90 spend range other tilt
Angle), so the connecting rod 6 of set needle stand 2 and needle tubing seat 5 is also vertical, composition cross-shaped structure (or incline structure, in order to grab
Subject to operation), core bar handle 12 is not only fixedly connected with set needle stand 2 at this time, but also is fixedly connected with card slot 8 in needle tubing seat, thus three
A component is structure as a whole.
Needle tip is directed at site of puncture (preferably anterior superior spine and posterior superior iliac spine), grasps core bar handle 12 simultaneously
It is appropriate firmly to press and rotation, core bar handle 12 push set needle stand 2 push trocar 1 forward using block machine 14, make trocar 1 into
Enter in ossis, feels that resistance reduction is to enter ossis.Then pulling out core bar component, (ring cutting needle tubing component can not
It is drawn out or suitably pulls out a small distance), core bar handle 12 and set needle stand checkpost slot 3 are detached from this time.Then it rotates
After 90 degree of ring cutting needle tubing component (or other degrees), then the two sides of core bar handle 12 are installed in needle tubing seat checkpost slot 7, thus
Ring cutting needle tubing component and core bar component is set to be fixed as one.
As shown in Figure 9 since, 5 front side wall of needle tubing seat is to there are length difference d being 1~1.5 li between 4 front end of ring cutting needle tubing
Rice can be transferred to 1~1.5 centimetre so core bar handle 12 is pushed to be rotated down along clockwise direction, 4 front end of ring cutting needle tubing
Pillared 16 length of marrow section 16(marrow section of marrow rotary-cut can be less than or equal to d) by ring cutting cutter head 10, and marrow section 16
Leading portion in ring cutting needle tubing 4.It rotates and core bar handle 12 and extraction ring cutting needle tubing 4, and pulls out upwards in a clockwise direction again
Trocar assembly (can also extract three components simultaneously) is to the processing of wound sterilizing bandaging out, as shown in Fig. 2 or 3 or 4.After extraction,
12 two sides of core bar handle are detached from needle tubing seat checkpost slot 7 again, ring cutting needle tubing component and core bar component independently of one another but do not have at this time
It extracts.In the middle part of the clean slide of the front end alignment of ring cutting needle tubing 4, core bar component is then gently pushed forward, utilizes core bar 11
Sample of bone marrow in ring cutting needle tubing 4 is pushed on clean slide, then inspection is fixed with 10% formalin, the bone on slide
Marrow liquid makees plate coating checking.
As it can be seen that trocar assembly, ring cutting needle tubing component and core bar component are always positioned in wound during aforesaid operations, and
Do not occur being inserted into operation after extracting, avoids the component in external environment intracavitary again insertable into human bone marrow, so not
In the presence of the factor for introducing extraneous germ, achieve the purpose that prevent infected wound, while also improving ease-to-operate.
Claims (3)
1. a kind of myeloid biopsy needle suit, including trocar, ring cutting needle tubing and core bar, it is characterized in that: trocar is tubulose, front end is
Inclined-plane, rear end are fixed with set needle stand, and the both sides of the edge symmetric position for covering needle stand is provided with set needle stand checkpost slot；Before ring cutting needle tubing
End is provided with ring cutting cutter head, and rear side is fixed with needle tubing seat, and the two sides of needle tubing seat pass through connecting rod respectively and are fixed with needle tubing seat checkpost slot,
The middle part on rear side of the needle tubing seat is provided with card slot in needle tubing seat simultaneously；The rear end of core bar is fixed with core bar handle, the core bar
It is provided with snap-gauge in the middle part of handle, is installed in the needle tubing seat in card slot by snap-gauge matching, the two sides of core bar handle are forward
It is formed by bending U-shaped structure, is respectively arranged with plug at the both ends of U-shaped structure, the rear end of each plug is provided with block machine；Positioned at core
The plug of bar handle two sides can match be plugged in the set needle stand checkpost slot and needle tubing seat checkpost slot in；The ring cutting needle tubing
It is set in the trocar, the core bar is set in the ring cutting needle tubing；The needle tubing seat front side wall is to ring cutting needle tubing front end
The distance between be greater than trocar assembly total length, there are length difference be d.
2. myeloid biopsy needle suit according to claim 1, including trocar, ring cutting needle tubing and core bar, it is characterized in that: described
Card slot is vertical with the connecting rod of needle tubing seat in needle tubing seat.
3. myeloid biopsy needle suit according to claim 1, including trocar, ring cutting needle tubing and core bar, it is characterized in that: described
Ring cutting cutter head is that circumferentially sawtooth is distinguished in face in the end of ring cutting needle tubing, forms the cutter head of band saw dentation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821642671.8U CN209059281U (en) | 2018-10-10 | 2018-10-10 | Myeloid biopsy needle suit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821642671.8U CN209059281U (en) | 2018-10-10 | 2018-10-10 | Myeloid biopsy needle suit |
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| Publication Number | Publication Date |
|---|---|
| CN209059281U true CN209059281U (en) | 2019-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821642671.8U Active CN209059281U (en) | 2018-10-10 | 2018-10-10 | Myeloid biopsy needle suit |
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| CN (1) | CN209059281U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109106405A (en) * | 2018-10-10 | 2019-01-01 | 姚金晓 | Myeloid biopsy needle suit |
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2018
- 2018-10-10 CN CN201821642671.8U patent/CN209059281U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109106405A (en) * | 2018-10-10 | 2019-01-01 | 姚金晓 | Myeloid biopsy needle suit |
| CN109106405B (en) * | 2018-10-10 | 2023-12-22 | 姚金晓 | Bone marrow biopsy needle set |
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