CN113456118A - Bone marrow biopsy device for pediatrics - Google Patents
Bone marrow biopsy device for pediatricsDownload PDFInfo
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- CN113456118A CN113456118ACN202110747180.XACN202110747180ACN113456118ACN 113456118 ACN113456118 ACN 113456118ACN 202110747180 ACN202110747180 ACN 202110747180ACN 113456118 ACN113456118 ACN 113456118A
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- needle
- bone marrow
- tube
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Instruments for taking body samples for diagnostic purposes; Other methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or 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—Instruments for taking body samples for diagnostic purposes; Other methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or 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
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Instruments for taking body samples for diagnostic purposes; Other methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or 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
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Hematology (AREA)
- Immunology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Rheumatology (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
Translated fromChinese
Description
Technical Field
The invention relates to the technical field of pediatric equipment, in particular to a bone marrow biopsy device for pediatrics.
Background
Bone marrow biopsy is called bone marrow biopsy for short and mainly comprises two parts, wherein one part is bone marrow aspiration biopsy, and the other part is bone marrow smear examination. The marrow aspiration biopsy is a pathological examination by taking a small cylindrical marrow tissue with a special puncture needle, while the marrow smear examination is a smear examination by sucking marrow with a suction tube and taking out. The existing bone marrow biopsy instrument mainly comprises a needle tube, and the head of the needle tube is provided with a replaceable needle head and a suction head. When bone marrow aspiration biopsy is performed, the needle head is screwed up and penetrates into the spine of a patient, and a piece of bone marrow tissue is taken out to perform biopsy of the bone marrow tissue. When the smear of bone marrow is needed, the sucking head is sleeved on the sleeve to extract the bone marrow, and the smear of bone marrow liquid is checked. However, current marrow liquid absorbs head generally adopts syringe needle disect insertion patient operation position and absorbs the marrow, take out the back and do the smear inspection, because of current device does not set up location supporting mechanism, can make the syringe needle produce certain rocking when the push rod in the pulling cylinder, this pain that often can aggravate patient operation position also can lead to the bigger damage in operation position, such pain is difficult to endure to children's patient, the reaction of struggling can appear in children's health, lead to the difficulty of sample work. The existing device often does not have better stress point when drawing the sample for need more time when taking a sample, reduced sampling efficiency.
Disclosure of Invention
The invention aims to provide a bone marrow biopsy device for pediatrics. The invention can effectively and stably extract the marrow cell sample and improve the sampling efficiency.
The technical scheme of the invention is as follows: the bone marrow biopsy device for the department of pediatrics comprises a needle tube, wherein a push rod is arranged in the needle tube, one end of the needle tube is provided with a needle head fixing part, a needle head is arranged in the needle head fixing part, a handle is arranged on the needle head fixing part, a biopsy head or a suction head is sleeved on the needle head, the biopsy head comprises a biopsy tube body, a channel is arranged in the biopsy tube body, a conical part is arranged at the end part of the biopsy tube body, an opening is formed in the conical part, and the opening is communicated with the channel; the suction head comprises a pipe sleeve fixed on the needle head, a round hole is formed in one end of the pipe sleeve, first clamping blocks are uniformly arranged on the inner wall of the other end of the pipe sleeve, side rods are uniformly arranged on the outer wall, close to the round hole, of the pipe sleeve, positioning rings are arranged on the side rods, and a first limiting ring is arranged on the inner wall, close to the round hole, of the pipe sleeve; the needle head is provided with a positioning sleeve, the sleeve is internally provided with an extension spring, one end of the extension spring is contacted with the first limiting ring, and the other end of the extension spring is abutted against the positioning sleeve; a rubber sleeve is arranged on the needle head and close to the needle head fixing part, a plurality of second clamping blocks are uniformly arranged on the rubber sleeve, and the first clamping blocks are matched with the second clamping blocks; the needle tube is internally provided with a sealing mechanism.
In the bone marrow biopsy device for pediatrics, the handle comprises a main body part fixed on the needle fixing part, and side body parts are arranged on two sides of the main body part.
In the bone marrow biopsy device for pediatrics, the main body part is provided with the anti-slip strip.
In the bone marrow biopsy device for pediatrics, one end of the first fixture block is provided with a first inclined surface, and one end of the second fixture block is provided with a second inclined surface.
In the bone marrow biopsy device for pediatrics, the end face of the positioning ring is provided with a circular protrusion.
In the bone marrow biopsy device for pediatrics, the sealing mechanism comprises a supporting rod fixed in the needle tube, a supporting piece is arranged on the supporting rod, a lantern ring is arranged on the supporting piece, a return spring is arranged on the lantern ring, one end of the return spring is connected with a sealing ball, the sealing ball is clamped in a through hole between the needle tube and the needle head fixing part, and a connecting ring is arranged on the sealing ball; the needle tubing be equipped with the regulating collar, there is the regulating block through threaded connection in the regulating collar, be equipped with the adjusting knob on the regulating block, the lower extreme of regulating block is connected with the string, the one end system of string is on the go-between.
In the bone marrow biopsy device for pediatrics, a sealing ring is arranged on the through hole between the needle tube and the needle head fixing part.
In the bone marrow biopsy device for pediatrics, the string is disposed through the support.
Compared with the prior art, the invention has the following advantages:
1. in the invention, the positioning ring of the sleeve is firstly propped against the part to be checked of a patient, the handle is pinched to push the needle tube forwards, the positioning sleeve on the needle head moves forwards and extrudes the extension spring, the needle head extends out of the round hole and then penetrates into the skin of the patient to go deep into the bone marrow tissue, meanwhile, the first fixture block in the sleeve and the second fixture block on the rubber sleeve are staggered mutually, the needle tube is rotated, the end parts of the first fixture block and the second fixture block are clung to each other, and the needle head is positioned effectively; the push rod is pulled outwards to form a negative pressure state in the tube, and the bone marrow tissue is extracted into the needle tube; the revolving needle tube pulls the needle tube outwards, and simultaneously under the effect of stretching out the spring, dislocation state is got back to first fixture block and second fixture block, and the syringe needle retracts in the pipe sleeve, accomplishes the sample, through this kind of structural style for can form better stress point when stretching into the syringe needle, effectively and extract the marrow tissue steadily, improve sampling efficiency.
2. The handle include the main part on the fixed syringe needle fixed part, the both sides of main part are equipped with the side somatic part, the main part on be equipped with the antislip strip, medical personnel can stably hold the needle tubing when the operation.
3. The end face of the positioning ring is provided with the circular bulge, so that the anti-skidding positioning ring has an anti-skidding effect when abutting against the skin of a patient.
4. The through hole between the needle tube and the needle head fixing part is provided with the sealing ring, so that the sealing effect of the sealing ball on the through hole is improved, and the bone marrow fluid flowing into the needle tube can not flow back.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of an extension spring;
FIG. 3 is a schematic view of a first latch and a second latch;
FIG. 4 is a schematic structural view of a sealing mechanism;
FIG. 5 is a schematic view of a biopsy head;
FIG. 6 is a schematic view of a biopsy tip;
description of the reference symbols in the drawings: 1-a needle tube, 2-a push rod, 3-a needle fixing part, 4-a needle, 5-a handle, 6-a tube sleeve, 7-a round hole, 8-a first fixture block, 9-a side lever, 10-a positioning ring, 11-a first limit ring, 12-a positioning sleeve, 13-a protrusion spring, 14-a rubber sleeve, 15-a second fixture block, 16-a sealing mechanism, 17-a first inclined plane, 18-a second inclined plane, 19-a support rod, 20-a support piece, 21-a lantern ring, 22-a return spring, 23-a sealing ball, 24-a connecting ring, 25-an adjusting tube, 26-an adjusting block, 27-an adjusting button, 28-a thin rope, 29-a sealing ring, 501-a main body part, 502-a side body part, 503-an anti-slip strip, 101-circular protrusion, 30-biopsy head, 301-biopsy tube, 302-channel, 303-cone, 304-opening.
Detailed Description
The invention is further illustrated by the following figures and examples, but is not to be construed as being limited thereto.
Example (b): a bone marrow biopsy device for pediatrics comprises aneedle tube 1, wherein apush rod 2 is arranged in theneedle tube 1, a needlehead fixing part 3 is arranged at one end of theneedle tube 1, aneedle head 4 is arranged in the needlehead fixing part 3, ahandle 5 is arranged on the needlehead fixing part 3, and abiopsy head 30 or a suction head is sleeved on theneedle head 4; the suction head comprises apipe sleeve 6 fixed on a needle head, a round hole 7 is formed in one end of thepipe sleeve 6, afirst clamping block 8 is uniformly arranged on the inner wall of the other end of thepipe sleeve 6, side rods 9 are uniformly arranged on the outer wall, close to the round hole 7, of thepipe sleeve 6, positioningrings 10 are arranged on the side rods 9, andcircular protrusions 101 are arranged on the end faces of thepositioning rings 10, so that the suction head plays a role of skid resistance when abutting against the skin of a patient, and the stability of sample extraction is ensured; a first limitingring 11 is arranged on the inner wall of thepipe sleeve 6 close to the round hole 7; theneedle 4 is provided with apositioning sleeve 12, thepipe sleeve 6 is internally provided with anextension spring 13, as shown in fig. 2, one end of theextension spring 13 is contacted with the first limitingring 11, and the other end of theextension spring 13 is propped against thepositioning sleeve 12; arubber sleeve 14 is arranged on theneedle 4 and close to theneedle fixing part 3, a plurality ofsecond clamping blocks 15 are uniformly arranged on therubber sleeve 14, as shown in fig. 3, afirst clamping block 8 is matched with thesecond clamping blocks 15, a firstinclined surface 17 is arranged at one end of thefirst clamping block 8, a secondinclined surface 18 is arranged at one end of thesecond clamping block 15, when the two clamping blocks are matched, the two inclined surfaces are mutually attached, the inclination of the two clamping blocks is not large, the inclined surfaces are arranged to enable the needle tube to rotate in a one-way manner, so that the rotation positioning is more accurate, and the first clamping blocks and the second clamping blocks are four groups in total; theneedle tube 1 is internally provided with asealing mechanism 16. Thehandle 5 comprises amain body part 501 on the fixed needlehead fixing part 3,side body parts 502 are arranged on two sides of themain body part 501, and ananti-slip strip 503 is arranged on themain body part 501, so that the needle tube can be stably held by medical staff during operation.
Thesealing mechanism 16 comprises a supportingrod 19 fixed in theneedle tube 1, as shown in fig. 4, a supportingpiece 20 is arranged on the supportingrod 19, alantern ring 21 is arranged on the supportingpiece 20, areturn spring 22 is arranged on thelantern ring 21, one end of thereturn spring 22 is connected with asealing ball 23, thesealing ball 23 is clamped in a through hole between theneedle tube 1 and the needlehead fixing part 3, and a connectingring 24 is arranged on thesealing ball 23; theneedle tube 1 be equipped with the regulatingtube 25, there is regulatingblock 26 through threaded connection in the regulatingtube 25, be equipped with adjustingknob 27 on the regulatingblock 26, the lower extreme of regulatingblock 26 is connected withstring 28, the one end system ofstring 28 is on go-between 24, rotate the regulating knob for the regulating block rebound, the string is pulled, the ball is closed to one side removal, the through-hole is opened, the marrow liquid flows in the needle tube, the upset regulating knob, the movable block rebound, the through-hole is stopped up to the ball, the needle tube is in encapsulated situation,needle tube 1 and needle fixedpart 3 between the through-hole on be equipped with sealingwasher 29, improve the closed effect of ball to this through-hole, make the marrow liquid that flows in the needle tube can not flow back and go out. Thestring 28 is arranged through the supportingpiece 20, and compared with the situation that the string passes through the reset spring, the position is favorable for protecting the string body, and the edges and corners of the string are blunted on the supporting piece, so that the string cannot be easily split when the supporting piece contacts the string, and the service life of the string is prolonged. As shown in fig. 5 and 6, thebiopsy head 30 comprises abiopsy tube 301, achannel 302 is arranged in thebiopsy tube 301, aconical part 303 is arranged at the end part of thebiopsy tube 301, an opening 304 is arranged on theconical part 303, the opening 304 is communicated with thechannel 302, the end part of the device is replaced with the biopsy head, the biopsy head is used for extracting bone marrow tissue, the bone marrow suction structure at the front end of the device can be taken down and connected with the biopsy head, when a patient is examined, a needle head is connected at the front end of the device, the needle head penetrates into a human bone to extract the bone marrow tissue and perform pathological examination, then the needle head is replaced, a suction head is installed, and the bone marrow is extracted to be used as a sample for bone marrow smear examination; both steps are necessary for bone marrow biopsy, and the present invention is mainly directed to the structural design of the device for bone marrow smear examination.
The working principle of the invention is as follows: in the invention, the sealing mechanism is in an open state, firstly, the positioning ring of the sleeve is propped against the part to be checked of a patient, the handle is pinched to push the needle tube forwards, the positioning sleeve on the needle head moves forwards and extrudes the extension spring, the needle head extends out of the round hole and then penetrates into the skin of the patient to go deep into the bone marrow tissue, meanwhile, the first fixture block in the sleeve and the second fixture block on the rubber sleeve are staggered mutually, the needle tube is rotated, the end parts of the first fixture block and the second fixture block are clung to each other, and the needle head is effectively positioned at the moment; the push rod is pulled outwards to form a negative pressure state in the tube, and the marrow fluid is sucked into the needle tube; the revolving needle tube pulls the needle tube outwards, and simultaneously under the effect of stretching out the spring, dislocation state is got back to first fixture block and second fixture block, and the syringe needle retracts in the pipe box, closes sealing mechanism, and the needle tube is in encapsulated situation, accomplishes the sample, through this kind of structural style for stress point that can be better when stretching into the syringe needle effectively just extracts the marrow tissue steadily, improves sampling efficiency.
Claims (8)
1. The bone marrow biopsy device for the department of pediatrics comprises a needle tube (1), wherein a push rod (2) is arranged in the needle tube (1), one end of the needle tube (1) is provided with a needle head fixing part (3), a needle head (4) is arranged in the needle head fixing part (3), a handle (5) is arranged on the needle head fixing part (3), and a biopsy head (30) or an absorption head is sleeved on the needle head (4); the biopsy head (30) comprises a biopsy tube body (301), a channel (302) is arranged in the biopsy tube body (301), a conical part (303) is arranged at the end part of the biopsy tube body (301), an opening (304) is arranged on the conical part (303), and the opening (304) is communicated with the channel (302); the method is characterized in that: the suction head comprises a pipe sleeve (6) fixed on the needle head, a round hole (7) is formed in one end of the pipe sleeve (6), first clamping blocks (8) are uniformly arranged on the inner wall of the other end of the pipe sleeve (6), side rods (9) are uniformly arranged on the outer wall, close to the round hole (7), of the pipe sleeve (6), positioning rings (10) are arranged on the side rods (9), and a first limiting ring (11) is arranged on the inner wall, close to the round hole (7), in the pipe sleeve (6); a positioning sleeve (12) is arranged on the needle head (4), an extension spring (13) is arranged in the pipe sleeve (6), one end of the extension spring (13) is contacted with the first limiting ring (11), and the other end of the extension spring (13) is abutted against the positioning sleeve (12); a rubber sleeve (14) is arranged on the needle head (4) and close to the needle head fixing part (3), a plurality of second clamping blocks (15) are uniformly arranged on the rubber sleeve (14), and the first clamping blocks (8) are matched with the second clamping blocks (15); the needle tube (1) is internally provided with a sealing mechanism (16).
2. The apparatus for bone marrow biopsy for pediatric use of claim 1, wherein: the handle (5) comprises a main body part (501) fixed on the needle fixing part (3), and side body parts (502) are arranged on two sides of the main body part (501).
3. The apparatus for bone marrow biopsy for pediatric use of claim 2, wherein: the main body part (501) is provided with an anti-slip strip (503).
4. The apparatus for bone marrow biopsy for pediatric use of claim 1, wherein: one end of the first clamping block (8) is provided with a first inclined surface (17), and one end of the second clamping block (15) is provided with a second inclined surface (18).
5. The apparatus for bone marrow biopsy for pediatric use of claim 1, wherein: the end face of the positioning ring (10) is provided with a circular bulge (101).
6. The apparatus for bone marrow biopsy for pediatric use of claim 1, wherein: the sealing mechanism (16) comprises a supporting rod (19) fixed in the needle tube (1), a supporting piece (20) is arranged on the supporting rod (19), a sleeve ring (21) is arranged on the supporting piece (20), a return spring (22) is arranged on the sleeve ring (21), one end of the return spring (22) is connected with a sealing ball (23), the sealing ball (23) is clamped in a through hole between the needle tube (1) and the needle head fixing part (3), and a connecting ring (24) is arranged on the sealing ball (23); the needle tubing (1) be equipped with regulating tube (25), there is regulating block (26) through threaded connection in regulating tube (25), be equipped with adjusting knob (27) on regulating block (26), the lower extreme of regulating block (26) is connected with string (28), the one end system of string (28) is on go-between (24).
7. The apparatus for bone marrow biopsy for pediatric use according to claim 6, wherein: and a sealing ring (29) is arranged on the through hole between the needle tube (1) and the needle head fixing part (3).
8. The apparatus for bone marrow biopsy for pediatric use according to claim 6, wherein: the string (28) is arranged through the support (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110747180.XACN113456118B (en) | 2021-07-02 | 2021-07-02 | Device for Pediatric Bone Marrow Biopsy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110747180.XACN113456118B (en) | 2021-07-02 | 2021-07-02 | Device for Pediatric Bone Marrow Biopsy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113456118Atrue CN113456118A (en) | 2021-10-01 |
| CN113456118B CN113456118B (en) | 2023-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110747180.XAActiveCN113456118B (en) | 2021-07-02 | 2021-07-02 | Device for Pediatric Bone Marrow Biopsy |
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| CN (1) | CN113456118B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030139688A1 (en)* | 2002-01-24 | 2003-07-24 | Lamoureux Gary A. | Combined bone marrow aspiration and core biopsy device |
| CN203252672U (en)* | 2013-04-28 | 2013-10-30 | 河南科技大学 | Bone marrow aspiration device |
| CN203749455U (en)* | 2014-03-05 | 2014-08-06 | 徐增山 | Bone marrow biopsy puncture sampling device for hematology department |
| CN204909590U (en)* | 2015-09-02 | 2015-12-30 | 山东省文登整骨医院 | Multi -way shock attenuation bone marrow puncture needle |
| CN107049369A (en)* | 2017-05-12 | 2017-08-18 | 成都嘉因生物科技有限公司 | A kind of superficial tumor biopsy sampler |
| CN210185619U (en)* | 2019-01-21 | 2020-03-27 | 南通市第一人民医院 | Marrow liquid quantitative extraction device for hematology department |
| CN210871949U (en)* | 2019-10-08 | 2020-06-30 | 德阳市人民医院 | Novel bone marrow puncture needle for hematology department |
- 2021
- 2021-07-02CNCN202110747180.XApatent/CN113456118B/enactiveActive
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030139688A1 (en)* | 2002-01-24 | 2003-07-24 | Lamoureux Gary A. | Combined bone marrow aspiration and core biopsy device |
| CN203252672U (en)* | 2013-04-28 | 2013-10-30 | 河南科技大学 | Bone marrow aspiration device |
| CN203749455U (en)* | 2014-03-05 | 2014-08-06 | 徐增山 | Bone marrow biopsy puncture sampling device for hematology department |
| CN204909590U (en)* | 2015-09-02 | 2015-12-30 | 山东省文登整骨医院 | Multi -way shock attenuation bone marrow puncture needle |
| CN107049369A (en)* | 2017-05-12 | 2017-08-18 | 成都嘉因生物科技有限公司 | A kind of superficial tumor biopsy sampler |
| CN210185619U (en)* | 2019-01-21 | 2020-03-27 | 南通市第一人民医院 | Marrow liquid quantitative extraction device for hematology department |
| CN210871949U (en)* | 2019-10-08 | 2020-06-30 | 德阳市人民医院 | Novel bone marrow puncture needle for hematology department |
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| Publication number | Publication date |
|---|---|
| CN113456118B (en) | 2023-07-18 |
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