CN208756108U - Bone puncture biopsy needle - Google Patents
Bone puncture biopsy needle Download PDFInfo
- Publication number
- CN208756108U CN208756108U CN201820277251.8U CN201820277251U CN208756108U CN 208756108 U CN208756108 U CN 208756108U CN 201820277251 U CN201820277251 U CN 201820277251U CN 208756108 U CN208756108 U CN 208756108U
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- China
- Prior art keywords
- hole
- cutter
- drive rod
- puncture needle
- needle
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Abstract
The utility model discloses a kind of bone puncture biopsy needles.The advantages of the utility model: seat, cutting assembly, cutter and traction component are grabbed by setting puncture needle, hand, doctor catches hand to grab seat, and puncture needle is inserted into the patient, cutting myeloid tissue is cut to by driving traction component drive, and when traction component driving will acquire hole closing to cutter, cutting is completed, and is extracted puncture needle later, is avoided the case where myeloid tissue falls off, it is easy to operate, improve the stability and reliability of acquisition operation.
Description
Technical field
The utility model relates to surgical field, more particularly to a kind of bone puncture biopsy needle.
Background technique
Marrow biopsy art exactly takes about 0.5-1 centimetres of a block sizes of circle with a special puncture needle
Cylindricality myeloid tissue checks to make case.Bone percutaneous biopsy not only will appreciate that ingredient and the initial cell distribution of bone marrow cell
Situation, and cellular morphology can be observed, convenient for making pathological diagnosis, alpastic anemia, myelodysplastisches disease are examined
It is disconnected to be of great significance.In addition bone marrow necrosis, bone marrow fat are become also with diagnostic significance.
The case where myeloid tissue falls off when existing bone marrow aspiration biopsy needle easily acquires in use makes to acquire
The myeloid tissue amount of acquisition is insufficient, needs secondary puncture biopsy, low efficiency.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide it is a kind of it is high-efficient, puncture when avoid
The bone puncture biopsy needle that myeloid tissue falls off.
To achieve the above object, the utility model provides following technical solution: a kind of bone puncture biopsy needle includes:
Puncture needle, hand grab seat, and the puncture needle is hollow, and the side that hand grabs seat is arranged in the puncture needle, further include have cutting assembly and
Traction component, the puncture needle offers on the side of syringe needle enters the intracorporal acquisition hole of needle, the cutting assembly for marrow
Be located in puncture needle, the cutting assembly includes cutter, the cutter can slide into acquisition hole in or from acquire hole
Inside skid off, for cutting the myeloid tissue in acquisition hole, the traction component is located at hand and grabs on seat, and links with cutter, when
When traction component driving will acquire hole closing to cutter, cutting is completed.
The puncture needle inner wall is set there are two opening up along needle length direction as a further improvement of the utility model,
Guide groove, the cutting assembly further includes having guide pad and push rod, and the guide pad is arranged on the side of cutter, sliding
It is connected in guide groove, the truncation surface of the cutter is arc-shaped, and the cutter are cutting edges by one end of syringe needle, and the other end is solid
Surely push rod is connected, the push rod sliding is connected to the inside of puncture needle, and the push rod and traction component link, in the puncture needle
Wall is equipped with by the side of syringe needle contradicts item, described to contradict item and puncture needle inner wall and form placed cavity backwards to the side of syringe needle, when cutting
When cutter will acquire hole closing, cutting edge is embedded in placed cavity.
The traction component includes draw bar and drive rod as a further improvement of the utility model, and the hand is grabbed
Through-hole is offered in seat, the setting of the drive rod slip is in through-hole and one end penetrates in puncture needle, and the other end reaches
Seat is grabbed for pressing, the draw bar is located in puncture needle, and one end of the draw bar and drive rod are hinged, the other end and push rod
Hingedly.
Fixing seat and the first spring, the traction are equipped in the puncture needle as a further improvement of the utility model,
The second through-hole is offered on bar, first spring one end is fixedly connected in fixing seat, and the other end is fixedly connected on draw bar
On, when pressing drive rod, draw bar and the hinged one end of drive rod are mobile away from drive rod side, and it is logical that fixing seat penetrates second
Hole, the first spring are stretched.
The drive rod is equipped with limited block as a further improvement of the utility model, is equipped with ladder in the through-hole,
Second spring is arranged on the drive rod, described second spring one end is inconsistent with ladder, and the other end is inconsistent with limited block,
When pressing drive rod, second spring is compressed.
The drive rod includes interior bar and outer bar as a further improvement of the utility model, the interior bar and outer bar
It is coaxially rotatably connected, one end of the interior bar is hinged with draw bar, and the other end penetrates into outer bar, the lateral surface of the outer bar
It is equipped with fixture block, the hand grabs seat and offers lock slots on the side wall of through-hole, third spring is equipped in the lock slots and can
Sliding has clamping block, and the third spring one end is fixedly connected with slot bottom, and the other end is fixedly connected with clamping block, when pressing is driven
When lever makes cutter that will acquire hole closing, clamping block hooks fixture block.
The outer bar reaches the one end for grabbing seat equipped with turntable, the turntable as a further improvement of the utility model,
The prominent hand in part grabs the side of seat, offers anti-skid chequer on the side wall of the turntable.
The beneficial effects of the utility model grab seat, cutting assembly, cutter and traction component by setting puncture needle, hand,
Doctor catches hand to grab seat, and puncture needle is inserted into the patient, cuts to cutting myeloid tissue by driving traction component drive, and
And traction component will drive when will acquire hole closing to cutter, cutting completion extracts puncture needle later, it is de- to avoid myeloid tissue
The case where falling, it is easy to operate, improve the stability and reliability of acquisition operation.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is overall structure diagram when the utility model drive rod is pushed into；
Fig. 3 is the structural schematic diagram of draw bar in Fig. 1, fixing seat and the first spring；
Fig. 4 is structural schematic diagram when guide groove is connect with guide pad in Fig. 1；
Fig. 5 is structural schematic diagram when guide groove is separated with guide pad in Fig. 4；
Fig. 6 is the enlarged drawing of draw bar, push rod, fixed block and the first spring in Fig. 1；
Fig. 7 is the enlarged drawing of draw bar, push rod, fixed block and the first spring in Fig. 2；
Fig. 8 is the structural schematic diagram of another angle of the utility model；
Fig. 9 is the enlarged diagram that item, placed cavity truncation surface are contradicted in the utility model Fig. 1；
Figure 10 is the enlarged drawing of through-hole and ladder in the utility model Fig. 2.
Specific embodiment
The utility model is described in further detail below in conjunction with embodiment given by attached drawing.
Referring to Fig.1, shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9 and Figure 10, a kind of bone of the present embodiment is worn
Biopsy needle is pierced, include: puncture needle 1, hand grab seat 2, and the puncture needle 1 is hollow, and the puncture needle 1 is arranged in hand grabs seat 2 one
Side, it is characterised in that: further include having cutting assembly 3 and traction component 4, the puncture needle 1 offers confession on the side of syringe needle
Marrow enters the intracorporal acquisition hole 10 of needle, and the cutting assembly 3 is located in puncture needle 1, and the cutting assembly 3 includes cutter
31, the cutter 31 can slide into acquisition hole 10 or skid off out of acquisition hole 10, for cutting the bone in acquisition hole 10
Myeloid tissue, the traction component 4 are located at hand and grab on seat 2, and link with cutter 3, when the driving of traction component 4 to cutter 3 will
When acquiring the closing of hole 10, cutting is completed.
Through the above technical solutions, setting puncture needle 1, hand grab seat 2, cutting assembly 3, traction component 4 and cutter 31, make
Used time is inserted into the patient by puncture needle 1, and myeloid tissue enters in puncture needle 1 under the action of internal pressure and gravity from acquisition hole 10
Portion, doctor drives traction component 4 that cutter 31 is made to cut myeloid tissue at this time, and when driving traction component 4 makes cutter 31
When will acquire the closing of hole 10, cutting to be completed, later extracts puncture needle 1, cutter 31 are closed hole 10 is acquired in withdrawal process,
The case where myeloid tissue is detached from is avoided, improves the stability and reliability of acquisition operation, and the utility model only needs to drive
Dynamic traction component 4 realizes closing acquisition hole 10, easy to use efficient.
As a kind of improved specific embodiment, 1 inner wall of puncture needle is set there are two opening along 1 length direction of puncture needle
If guide groove 11, the cutting assembly 3 further includes having guide pad 32 and push rod 33, and the guide pad 32 is arranged in cutter 31
Side on, sliding is connected in guide groove 11, the truncation surface of the cutter 31 is arc-shaped, and the cutter 31 are by syringe needle
One end is cutting edge, and the other end is fixedly connected with push rod 33, and the push rod 33 slides the inner wall for being connected to puncture needle 1, the push rod 33
It links with traction component 4,1 inner wall of puncture needle is equipped with by the side of syringe needle contradicts item 12, the conflict item 12 and puncture needle 1
Inner wall forms placed cavity 121 backwards to the side of syringe needle, and when cutter 31, which will acquire hole 10, to be closed, cutting edge is embedded in placed cavity 121
It is interior.
Through the above technical solutions, guide groove 11 is arranged in 1 inner wall of puncture needle, guide pad 32 and push rod 33 are set, and
The truncation surface of cutter 31 is arc-shaped, retains more myeloid tissues in puncture needle 1 than the cutter 31 that truncation surface is straight line,
Improve the precision of chemical examination.Push rod 33 slides the inner wall for being connected to puncture needle 1, and is arranged in puncture needle 1 by the side of syringe needle
Item 12 is contradicted, item 12 and 1 inner wall of puncture needle is contradicted backwards to the side of syringe needle and forms placed cavity 121, when cutter 31 will acquire hole
When cutting is completed in 10 sealings, in the cutting edge insertion placed cavity 121 of cutter 31, improves cutter 31 and acquire close between hole 10
Feng Xing further avoids the case where myeloid tissue is detached from puncture needle 1 when extracting puncture needle 1.And avoid puncture biopsy needle
The case where internal 33 fracture damage of push rod causes cutter 31 to enter patient's body connects traction component 4 by push rod 33
It pushes cutter 31 to cut myeloid tissue, reduces the length of cutter 31, reduce the weight of puncture biopsy needle, improve doctor
Comfort level when use improves procedure efficiency and success rate of operation.The guide groove 11 extended along its length limits cutter 31
Glide direction, improve use when stability.
As a kind of improved specific embodiment, the traction component 4 includes draw bar 41 and drive rod 42, described
Hand grabs and offers through-hole 21 in seat 2, and the setting of 42 slip of drive rod is in through-hole 21 and one end penetrates in puncture needle 1,
The other end, which reaches, grabs seat 2 for pressing, and the draw bar 41 is located in puncture needle 1, one end of the draw bar 41 and driving
One end that bar 42 penetrates puncture needle 1 is hinged, and the other end and push rod 33 are hinged.
Through the above technical solutions, setting draw bar 41 and drive rod 42, the setting of 42 slip of drive rod is in through-hole 21
Interior and part penetrates in puncture needle 1, and when pressing drive rod 42, draw bar 41 and the hinged one end of drive rod 42 are backwards to drive rod 42
Side is mobile, and draw bar 41 pushes push rod 33 to syringe needle, and then cutter 31 is driven to cut myeloid tissue, and hand grabs setting in seat 2
Through-hole 21, and drive rod 42 is arranged in through-hole 21, it is easy to use, compared to grabbing in hand, the reduction of traction component 4 is set outside seat 2
Hand grabs the volume of seat 3, and it is more succinct outside seat 2 to grab hand, improves doctor operational comfort, improves procedure efficiency.
As a kind of improved specific embodiment, fixing seat 23 and the first spring 91 are equipped in the puncture needle 1, it is described
The second through-hole 410 is offered on draw bar 41, described first spring, 91 one end is fixedly connected in fixing seat 23, and the other end is fixed
It is connected on draw bar 41, when pressing drive rod 42, draw bar 41 and the hinged one end of drive rod 42 deviate from drive rod 42 1
Side is mobile, and fixing seat 23 penetrates the second through-hole 410, and the first spring 91 is stretched.
Through the above technical solutions, setting fixing seat 23, and the first bullet is set between fixing seat 23 and draw bar 41
Spring 91 presses drive rod 42 when use, and draw bar 41 and the hinged one end of drive rod 42 are backwards to drive rod 42 1 during pressing
Side is moved, and draw bar 41 pushes push rod 33 to syringe needle, is moved in 41 moving process of draw bar to fixing seat 23, and fixing seat 23
There can be in into the second through-hole 410 and between the side wall of the second through-hole 410 interval, while the first spring 91 is stretched, when pressing
When pressure drive rod 42 makes cutter 31 that will acquire hole 10 to close, fixing seat 23 penetrates the second through-hole 410, completes cutting, by
The second through-hole 410 is opened up on draw bar 41, material is saved, reduces cost, and reduce the weight of bone puncture biopsy needle, is improved
The comfort that doctor uses improves stability when pressing drive rod 42 with 23 axial symmetry of fixing seat；Puncture needle 1 is extracted later,
Drive rod 42 is unclamped, the first spring 91 resets at this time, resets draw bar 41, push rod 33 and cutter 31, makes to acquire in hole 10
Myeloid tissue contacted with the external world, convenient for doctor obtain detect.Reset function improves the convenience in use process.
As a kind of improved specific embodiment, the drive rod 42 is equipped with limited block 420, sets in the through-hole 21
There is ladder 211, second spring 92 is arranged on the drive rod 42, described 92 one end of second spring and ladder 211 are inconsistent, separately
One end and limited block 420 are inconsistent, and when pressing drive rod 42, second spring 92 is compressed.
Through the above technical solutions, setting limited block 420 and ladder 211, and second spring 92 is arranged on drive rod 42,
Second spring 92 and ladder 211 and limited block 420 are inconsistent, and drive rod 42 is pressed when use, and drive draw bar 41 mobile, this
When second spring 92 compressed, when unclamping drive rod 42, second spring 92 resets, and the active force of reset passes through ladder 211 and limit
Position block 420211 is transmitted to drive rod 42 and hand is grabbed on seat 2, resets drive rod 42, and second spring 92 and the first spring 91 are common
It resets, and then drive rod 42, draw bar 41, push rod 33 and cutter 31 is driven to reset, further increase reset effect.
As a kind of improved specific embodiment, the drive rod 42 includes interior bar 421 and outer bar 422, it is described in
Bar 421 is coaxially rotatably connected with outer bar 422, and one end of the interior bar 421 and draw bar 41 are hinged, and the other end penetrates into outer bar
In 422, the lateral surface of the outer bar 422 is equipped with fixture block 4221, and the hand grabs seat 2 and offers locking on the side wall of through-hole 21
Slot 22 has clamping block 221, described 93 one end of third spring and slot equipped with third spring 93 and slip in the lock slots 22
Bottom is fixedly connected, and the other end is fixedly connected with clamping block 221, when pressing drive rod 42 closes cutter 31 by hole 10 is acquired
When, clamping block 221 hooks fixture block 4221.
Through the above technical solutions, interior bar 421 and outer bar 422 that setting is coaxially rotatably connected, and in outer bar 422
Fixture block 4221 is set, while lock slots 22 are set on the side wall of through-hole 21, clamping block 221 and third are set in lock slots 22
Spring 93 presses drive rod 42, such as: clamping block 221 and fixture block 4221 can be wedge shape, when pressing drive rod 42, fixture block
4221 first contradict with clamping block 221；Continue to press drive rod 42, persistently movement squeezes clamping block 221 to lock slots to fixture block 4221
22 is mobile, and third spring 93 is by continued compression during this；Continue to press drive rod 42, fixture block 4221 passes completely through locking at this time
Block 221 arrives the other side of clamping block 221, and third spring 93 resets at this time, resets clamping block 221, hooks fixture block 4221, and cut
Cutter 31 is closed hole 10 is acquired, and carries out at this time self-locking, and draw bar 41, push rod 33 and cutter 31 are locked at this time, avoid
Extraction puncture needle 1 Shi doctor, which accidentally drops, forgets the case where pressing drive rod 42, improves cutter 31 and acquires what hole 10 sealed
Stability improves the convenience of extraction, makes doctor's without paying close attention to drive rod 42 when improving the reliability of operation, and extracting
Attention is injured caused by patient in the bone of patient and the junction of puncture needle 1, reduction.When extracting completely, outer bar is rotated
422 make fixture block 4221 and clamping block 221 misplace, and the first spring 91 and second spring 92 reset at this time, and acquisition hole 10 connects with the external world
Touching, doctor obtain myeloid tissue and chemically examine.
As a kind of improved specific embodiment, the outer bar 422 reach grab seat 2 one end be equipped with turntable 4222,
The prominent hand in 4222 part of turntable grabs the side of seat 2, offers anti-skid chequer on the side wall of the turntable 4222.
Through the above technical solutions, turntable 4222 is arranged in outer bar 422, and the prominent hand in 4222 part of turntable grabs seat 2
Side, while opening up anti-skid chequer on the side wall of turntable 4222, complete myeloid tissue acquisition, it is prominent after extracting puncture needle 1
Hand grabs the turntable 4222 of 2 side wall of seat setting makes fixture block 4221 and clamping block 221 misplace convenient for doctor's rotation, easy to operate, improves
Efficiency.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (7)
1. a kind of bone puncture biopsy needle, includes: puncture needle (1), hand are grabbed seat (2), and the puncture needle (1) is hollow, the puncture
Needle (1), which is arranged, grabs the side of seat (2) in hand, it is characterised in that: and it further include having cutting assembly (3) and traction component (4), it is described to wear
Pricker (1) offers on the side of syringe needle enters the intracorporal acquisition hole (10) of needle for marrow, and the cutting assembly (3), which is located at, wears
In pricker (1), the cutting assembly (3) includes cutter (31), and the cutter (31) can slide into acquisition hole (10)
Or skidded off out of acquisition hole (10), for cutting the myeloid tissue in acquisition hole (10), the traction component (4) is located at hand and grabs
It on seat (2), and links with cutter (31), when traction component (4) driving to cutter (31) will acquire hole (10) closing, cuts
Cut completion.
2. bone puncture biopsy needle according to claim 1, it is characterised in that: puncture needle (1) inner wall is set there are two edge
The guide groove (11) that puncture needle (1) length direction opens up, the cutting assembly (3) further include having guide pad (32) and push rod
(33), the guide pad (32) is arranged on the side of cutter (31), and sliding is connected in guide groove (11), the cutter
(31) truncation surface is arc-shaped, and the cutter (31) are cutting edges by one end of syringe needle, and the other end is fixedly connected with push rod (33), institute
The inner wall that push rod (33) sliding is connected to puncture needle (1) is stated, the push rod (33) and traction component (4) are linked, the puncture needle
(1) inner wall is equipped with by the side of syringe needle and contradicts item (12), and the conflict item (12) and puncture needle (1) inner wall are backwards to the side of syringe needle
It is formed placed cavity (121), when cutter (31) will acquire hole (10) closing, cutting edge is embedded in placed cavity (121).
3. bone puncture biopsy needle according to claim 2, it is characterised in that: the traction component (4) includes draw bar
(41) and drive rod (42), the hand is grabbed offers through-hole (21) in seat (2), and the setting of drive rod (42) slip is logical
In hole (21) and one end penetrates in puncture needle (1), and the other end, which reaches, grabs seat (2) for pressing, and the draw bar (41) is located at
In puncture needle (1), one end that one end and the drive rod (42) of the draw bar (41) penetrate puncture needle (1) is hinged, the other end and
Push rod (33) is hinged.
4. bone puncture biopsy needle according to claim 3, it is characterised in that: be equipped with fixing seat in the puncture needle (1)
(23) and the first spring (91) it, is offered the second through-hole (410) on the draw bar (41), described first spring (91) one end is solid
Surely it being connected on fixing seat (23), the other end is fixedly connected on draw bar (41), when pressing drive rod (42), draw bar
(41) mobile away from drive rod (42) side with drive rod (42) hinged one end, fixing seat (23) penetrates the second through-hole (410),
First spring (91) is stretched.
5. bone puncture biopsy needle according to claim 4, it is characterised in that: the drive rod (42) is equipped with limited block
(420), ladder (211) are equipped in the through-hole (21), are arranged with second spring (92) on the drive rod (42), described second
Spring (92) one end and ladder (211) are inconsistent, and the other end and limited block (420) are inconsistent, when pressing drive rod (42), the
Two springs (92) are compressed.
6. bone puncture biopsy needle according to claim 5, it is characterised in that: the drive rod (42) includes interior bar
(421) and outer bar (422), the interior bar (421) with outer bar (422) is coaxial is rotatably connected, one end of the interior bar (421) with
Hingedly, the other end penetrates into outer bar (422) draw bar (41), and the lateral surface of the outer bar (422) is equipped with fixture block (4221),
The hand is grabbed seat (2) and is offered on the side wall of through-hole (21) lock slots (22), and third spring is equipped in the lock slots (22)
(93) have clamping block (221) with slip, described third spring (93) one end is fixedly connected with slot bottom, the other end and clamping block
(221) it is fixedly connected, when pressing drive rod (42) makes cutter (31) will acquire hole (10) closing, clamping block (221) is hooked
Fixture block (4221).
7. bone puncture biopsy needle according to claim 6, it is characterised in that: the outer bar (422), which reaches, grabs seat (2)
One end is equipped with turntable (4222), and the prominent hand in turntable (4222) part grabs the side of seat (2), the side wall of the turntable (4222)
On offer anti-skid chequer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820277251.8U CN208756108U (en) | 2018-02-26 | 2018-02-26 | Bone puncture biopsy needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820277251.8U CN208756108U (en) | 2018-02-26 | 2018-02-26 | Bone puncture biopsy needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208756108U true CN208756108U (en) | 2019-04-19 |
Family
ID=66124945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820277251.8U Expired - Fee Related CN208756108U (en) | 2018-02-26 | 2018-02-26 | Bone puncture biopsy needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208756108U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108354657A (en) * | 2018-02-26 | 2018-08-03 | 温州市中心医院 | Bone puncture biopsy needle |
-
2018
- 2018-02-26 CN CN201820277251.8U patent/CN208756108U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108354657A (en) * | 2018-02-26 | 2018-08-03 | 温州市中心医院 | Bone puncture biopsy needle |
| CN108354657B (en) * | 2018-02-26 | 2024-05-03 | 温州市中心医院 | Bone puncture biopsy needle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190419 |