CN109512471B - Marrow biopsy puncture sampling device - Google Patents

Marrow biopsy puncture sampling device Download PDF

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Publication number
CN109512471B
CN109512471B CN201811435640.XA CN201811435640A CN109512471B CN 109512471 B CN109512471 B CN 109512471B CN 201811435640 A CN201811435640 A CN 201811435640A CN 109512471 B CN109512471 B CN 109512471B
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CN
China
Prior art keywords
needle
locking
seat
sleeve
puncture
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Active
Application number
CN201811435640.XA
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Chinese (zh)
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CN109512471A (en
Inventor
江攀
李俊
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SHAANXI TUMOUR Hospital
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SHAANXI TUMOUR HOSPITAL
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Priority to CN201811435640.XA priority Critical patent/CN109512471B/en
Publication of CN109512471A publication Critical patent/CN109512471A/en
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Publication of CN109512471B publication Critical patent/CN109512471B/en
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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00Other 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
    • A61B10/02Instruments for taking cell samples or for biopsy
    • A61B10/0233Pointed or sharp biopsy instruments
    • A61B10/025Pointed or sharp biopsy instruments for taking bone, bone marrow or cartilage samples
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00Other 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
    • A61B10/02Instruments for taking cell samples or for biopsy
    • A61B10/0233Pointed or sharp biopsy instruments
    • A61B10/0266Pointed or sharp biopsy instruments means for severing sample
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00Other 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
    • A61B10/02Instruments for taking cell samples or for biopsy
    • A61B10/0233Pointed or sharp biopsy instruments
    • A61B10/025Pointed or sharp biopsy instruments for taking bone, bone marrow or cartilage samples
    • A61B2010/0258Marrow samples

Abstract

The invention discloses a marrow biopsy puncture sampling device, and mainly relates to the field of medical instruments. The puncture sampling device comprises a needle sleeve seat and a needle seat, wherein a puncture sleeve is arranged at the lower part of the needle sleeve seat, a puncture needle is arranged at the lower part of the needle seat, a locking device is arranged at the upper part of the needle sleeve seat, a locking head matched with the locking device is arranged at the outer side of the puncture needle at the lower part of the needle seat, and the puncture needle penetrates into the puncture sleeve and is connected with the locking head through the locking device; the locking head is an external thread coaxial with the puncture needle; locking device includes rotating sleeve, catch bar, and rotating sleeve sets up on needle cover seat upper portion and puncture cover coaxial arrangement, the rotating sleeve inside be equipped with locking head complex internal thread, be equipped with gear portion on the rotating sleeve, the catch bar be equipped with at the middle part with gear portion matched with rack portion, be equipped with on the needle cover seat be used for with catch bar sliding connection's locking groove, the locking groove runs through needle cover seat, the catch bar is long in the locking groove. The invention has the beneficial effects that: the needle sleeve seat and the needle seat are separated by one hand.

Description

Marrow biopsy puncture sampling device
Technical Field
The invention relates to the field of medical instruments, in particular to a marrow biopsy puncture sampling device.
Background
Bone marrow biopsy aspiration is a method of understanding bone marrow picture. The state of the bone marrow can be more carefully and comprehensively understood. Bone marrow is one of the common sites of malignant lymphoma infiltration. Bone marrow sectioning examination is a gold standard to assess the presence or absence of Lymphoma Cells (LC) Bone Marrow Infiltration (BMI). Whether the bone marrow is invaded or not and the treatment scheme is different. Therefore, prior to treatment, patients are usually advised to take bone penetrations and bone marrow biopsies; at the end of the treatment, or during the course of the treatment, when it is desired to assess whether to adjust or modify the treatment regimen, some patients may also be advised to undergo bone punch and bone marrow biopsy. Common pjncture needle and puncture needle cover are through threaded connection when carrying out the puncture operation, will half earlier loosen the grab handle when taking out the pjncture needle from puncture needle cover, and another hand removes the operation and loosens threaded connection department, separates pjncture needle and puncture needle cover, and it shakes to cause puncture sample position to appear changing very easily to appear during the two-hand operation.
Disclosure of Invention
The invention aims to provide a bone marrow biopsy puncture sampling device which completes the separation of a needle sleeve seat and a needle seat by a single hand.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a marrow biopsy puncture sampling device comprises a needle sleeve seat and a needle seat, wherein a puncture sleeve is arranged at the lower part of the needle sleeve seat, a puncture needle is arranged at the lower part of the needle seat, a locking device is arranged at the upper part of the needle sleeve seat, a locking head matched with the locking device is arranged at the outer side of the puncture needle at the lower part of the needle seat, and the puncture needle penetrates into the puncture sleeve and is connected with the locking head through the locking device;
the locking head is an external thread coaxial with the puncture needle;
locking device includes rotating sleeve, catch bar, rotating sleeve sets up on needle cover seat upper portion and puncture cover coaxial arrangement, rotating sleeve inside be equipped with locking head complex internal thread, be equipped with gear portion on the rotating sleeve, the catch bar is equipped with at the middle part with gear portion matched with rack portion, be equipped with on the needle cover seat be used for with catch bar sliding connection's locking groove, the needle cover seat is run through in the locking groove, the catch bar is long in the locking groove.
The two push rods are symmetrically arranged around the origin of the rotary sleeve.
The two ends of the push rod are respectively provided with a pressing part, and the cross section dimension of the pressing part perpendicular to the length direction of the push rod is larger than that of the push rod.
Locking device still includes protection device, protection device includes link frame and locking piece, the link frame middle part rotates with the rotating sleeve to be connected, the vertical both ends of fixing in link frame bottom of locking piece symmetry, the locking piece is provided with the bulge in the side, be equipped with on the catch bar in the locking piece complex open the groove and close the groove, be equipped with on the needle holder and be used for supplying link frame wobbling first groove, first tank bottom is provided with and is used for supplying locking piece wobbling second groove, the second groove communicates with the locking groove.
The improved anti-skid device is characterized in that a shifting piece is arranged on the upper portion of the linkage frame close to the end portion, an anti-skid layer is arranged on the shifting piece, and a long-strip-shaped bulge parallel to the length direction of the linkage frame is arranged on the anti-skid layer.
The needle sleeve seat is provided with a first observation hole at the position of the two side faces corresponding to the rotary sleeve, and the needle seat is provided with a second observation hole at the position of the two side faces corresponding to the first observation hole.
And a first operating hole is formed in the upper part of the needle seat corresponding to the second groove.
The pressing part is provided with a mark for indicating the state of the rotating sleeve.
The upper edge of the pressing part is provided with a fillet structure.
Compared with the prior art, the invention has the beneficial effects that:
when needle cover seat and needle file separation are realized to needs, only need press the catch bar, make the catch bar drive gear portion and rotate, thereby realize the separation of rotatory cover and locking head is accomplished in the rotation of rotatory cover, this hour needle cover seat and needle file can separate, when needing to install needle cover seat and needle file, press the catch bar through the thumb and can realize the separation of needle cover seat and needle file, do not need traditional pjncture needle need loosen the cooperation of the hand of gripping another hand and loosen threaded connection position and just can carry out needle cover seat and needle file separation, reduce the action by a wide margin of doctor when the operation and prevent because of by a wide margin, reduce rocking of pjncture needle, guarantee the stability of operation.
Drawings
FIG. 1 is a schematic perspective view of the present invention.
Fig. 2 is a perspective view of the structure of the needle holder of the invention without the needle holder.
Fig. 3 is a perspective view of the structure of the present invention in a disassembled state.
Fig. 4 is a structural top view of the needle holder of the invention with the needle holder removed.
FIG. 5 is a top view of the push rod of the present invention.
Reference numerals shown in the drawings:
1. a needle sleeve seat; 2. a needle seat; 3. a puncture sleeve; 4. puncturing needle; 5. a locking device; 6. a locking head; 7. a rotating sleeve; 8. a push rod; 9. a gear portion; 10. a locking groove; 11. a pressing part; 12. a protection device; 13. a linkage frame; 14. a locking block; 15. opening the groove; 16. closing the groove; 17. a first groove; 18. a second groove; 19. a toggle sheet; 20. an anti-slip layer; 21. a first viewing aperture; 22. a second viewing aperture; 23. a first access hole.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
The invention relates to a marrow biopsy puncture sampling device, which comprises a main body structure and a needle sleeve seat 1 and a needle seat 2, wherein in order to realize a puncture function, the lower part of the needle sleeve seat 1 is provided with a puncture sleeve 3, the lower part of the needle seat 2 is provided with a puncture needle 4, the upper part of the needle sleeve seat 1 is provided with a locking device 5, the lower part of the needle seat 2 is provided with a locking head 6 matched with the locking device 5 at the outer side of the puncture needle 4, the puncture needle 4 penetrates into the puncture sleeve 3 and is connected with the locking head 6 through the locking device 5, and the puncture needle 4 and the puncture sleeve 3 are matched to form an integral puncture structure;
the locking head 6 is an external thread coaxial with the puncture needle 4, and the needle seat 2 is fixedly connected with the needle sleeve seat 1 through the external thread on the locking head 6;
in order to realize the separation of the needle sleeve seat 1 and the needle seat 2 by one hand, the locking device 5 comprises a rotary sleeve 7 and a push rod 8, the rotary sleeve 7 is arranged on the upper part of the needle sleeve seat 1 and coaxially arranged with the puncture sleeve 3, an internal thread matched with the locking head 6 is arranged inside the rotary sleeve 7, a gear part 9 is arranged on the rotary sleeve 7, the push rod 8 is provided with a rack part matched with the gear part 9 in the middle part, a locking groove 10 used for being in sliding connection with the push rod 8 is arranged on the needle sleeve seat 1, the locking groove 10 penetrates through the needle sleeve seat 1, the push rod 8 is longer than the locking groove 10, one end of the rack part corresponds to the middle part of the gear part 9 when the rotary sleeve 7 is locked, one end of the push rod 8 exposes the other end of the needle seat 2 and is flush with the surface of the needle seat 2, one end of the push rod 8 exposes one end of the needle seat 2 to enable the rack part to move, the rack part drives the gear part 9 to realize the opening of the thread matching of the rotary sleeve 7 and the locking head 6, the push rod 8 originally has one end flush with the surface of the needle base 2 to expose the needle base 2, and the locking of the thread matching of the rotary sleeve 7 and the locking head 6 can be completed by reverse operation.
In order to realize that the one hand accomplishes locking and opening of rotatory cover 7 and 6 screw-thread fit of locking head, catch bar 8 is provided with two about 7 initial point symmetries of rotatory cover, exposes needle hub 1 side in the one end of two catch bars 8 one in needle hub 1 one side this moment, and 8 one ends of another catch bar and 1 side parallel and level of needle hub, and the opposite side can be reverse motion under the effect of gear portion 9 when pressing catch bar 8 of one side, originally can stretch out with catch bar 8 of 1 side parallel and level of needle hub.
In order to facilitate pressing, pressing portions 11 are respectively arranged at two ends of the push rod 8, and the section size of each pressing portion 11 perpendicular to the length direction of the push rod 8 is larger than that of the push rod 8, so that the pressure on fingers when hands press the fingers is reduced, and discomfort during operation is reduced.
In order to prevent the maloperation, locking device 5 still includes protection device 12, protection device 12 includes linkage frame 13 and locking piece 14, linkage frame 13 middle part is rotated with rotary sleeve 7 and is connected, the vertical both ends of fixing in linkage frame 13 bottom of locking piece 14 symmetry, locking piece 14 is provided with the bulge in the side, be equipped with on catch bar 8 with locking piece 14 complex open the groove 15 with close the groove 16, be equipped with on the needle holder seat 1 and be used for supplying linkage frame 13 wobbling first groove 17, first groove 17 bottom is provided with and is used for supplying locking piece 14 wobbling second groove 18, second groove 18 is linked together with locking groove 10, and linkage frame 13 can be followed the swing of rotary sleeve 7 axis, opens when rotary sleeve 7 opens with locking head 6 that groove 15 corresponds with locking piece 14, and close groove 16 and block 14 when rotary sleeve 7 and locking head 6 are locked, can swing linkage frame 13 when rotary sleeve 7 and locking head 6 are opened and make the bulge of locking piece 14 with opening the groove 14 with the protrusion that opens 15 cooperate, restriction catch bar 8's removal guarantees that rotary sleeve 7 does not take place the angle change, prevent that the hand from pressing catch bar 8 and causing the change of rotary sleeve angle, need not reconfirm rotary sleeve 7 angle during the installation, can swing linkage 13 when rotary sleeve 7 and locking head 6 are locked and make the bulge and the closed slot 16 of locking block 14 cooperate, prevent that the hand mistake from touching catch bar 8 and leading to rotary sleeve 7 and locking head 6 pine to take off, it makes locking block 14 deviate from in opening slot 15 or closed slot 16 to promote linkage 13 when the catch bar 8 is pressed to needs.
In order to conveniently stir the linkage frame 13, the linkage frame 13 is provided with a stirring sheet 19 at the upper part close to the end part, the stirring sheet 19 is provided with an anti-skid layer 20, the anti-skid layer 20 is provided with a strip-shaped bulge parallel to the length direction of the linkage frame 13, and the position of the linkage frame 13 can be conveniently changed when an operator wears sterile gloves on hands through the anti-skid layer 20 on the stirring sheet 19.
In order to observe the states of the rotary sleeve 7 and the locking head 6, the needle sleeve seat 1 is provided with a first observation hole 21 at the corresponding position of the two side surfaces and the rotary sleeve 7, the needle seat 2 is provided with a second observation hole 22 at the corresponding position of the two side surfaces and the first observation hole 21, and whether the rotary sleeve 7 is correctly matched with the locking head 6 can be observed through the first observation hole 21 and the second observation hole 22.
In order to toggle the linkage frame 13 when the needle base 2 is matched with the needle sleeve base 1, a first operation hole 23 is arranged at the upper part of the needle base 2 corresponding to the second groove 18, the first operation hole 23 can expose the linkage frame 13 when the needle base 2 is matched with the needle sleeve base 1, and the linkage frame 13 can be toggled by hand.
In order to observe whether the rotating sleeve 7 is correctly matched with the locking head 6 conveniently, the pressing parts 11 are provided with marks for indicating the state of the rotating sleeve 7, and the end faces of the two pressing parts 11 on one push rod 8 are respectively provided with an opening character and a closing character.
In order to reduce discomfort of hands during pressing, the upper edge of the pressing portion 11 is provided with a round corner structure, so that the edge does not reduce compression of the edge on hands during pressing, and the possibility that sterile gloves are scratched is reduced.
Example (b): a marrow biopsy puncture sampling device comprises a needle sleeve seat 1 and a needle seat 2, in order to realize a puncture function, a puncture sleeve 3 is arranged at the lower part of the needle sleeve seat 1, a puncture needle 4 is arranged at the lower part of the needle seat 2, a locking device 5 is arranged at the upper part of the needle sleeve seat 1, a locking head 6 matched with the locking device 5 is arranged at the outer side of the puncture needle 4 at the lower part of the needle seat 2, the puncture needle 4 penetrates into the puncture sleeve 3 and is connected with the locking head 6 through the locking device 5, and the puncture needle 4 and the puncture sleeve 3 are matched to form an integral puncture structure; the locking head 6 is an external thread coaxial with the puncture needle 4, and the needle seat 2 is fixedly connected with the needle sleeve seat 1 through the external thread on the locking head 6; in order to realize the separation of the needle sleeve seat 1 and the needle seat 2 by one hand, the locking device 5 comprises a rotary sleeve 7 and a push rod 8, the rotary sleeve 7 is arranged on the upper part of the needle sleeve seat 1 and coaxially arranged with the puncture sleeve 3, an internal thread matched with the locking head 6 is arranged inside the rotary sleeve 7, a gear part 9 is arranged on the rotary sleeve 7, the push rod 8 is provided with a rack part matched with the gear part 9 in the middle part, a locking groove 10 used for being in sliding connection with the push rod 8 is arranged on the needle sleeve seat 1, the locking groove 10 penetrates through the needle sleeve seat 1, the push rod 8 is longer than the locking groove 10, one end of the rack part corresponds to the middle part of the gear part 9 when the rotary sleeve 7 is locked, one end of the push rod 8 exposes the other end of the needle seat 2 and is flush with the surface of the needle seat 2, one end of the push rod 8 exposes one end of the needle seat 2 to enable the rack part to move, the rack part drives the gear part 9 to realize the opening of the thread matching of the rotary sleeve 7 and the locking head 6, the catch bar 8 is provided with two about 7 initial point symmetries of rotating sleeve, exposes needle sleeve seat 1 side in the one end of two catch bars 8 one in needle sleeve seat 1 one side this moment, and 8 one ends of another catch bar and 1 side parallel and level of needle sleeve seat, and the opposite side can reverse motion under the effect of gear portion 9 when pressing the catch bar 8 of one side, originally can stretch out with the catch bar 8 of 1 side parallel and level of needle sleeve seat. The push rod 8 originally has one end flush with the surface of the needle base 2 to expose the needle base 2, and the locking of the thread matching of the rotary sleeve 7 and the locking head 6 can be completed by reverse operation. In order to facilitate pressing, pressing portions 11 are respectively arranged at two ends of the push rod 8, and the section size of each pressing portion 11 perpendicular to the length direction of the push rod 8 is larger than that of the push rod 8, so that the pressure on fingers when hands press the fingers is reduced, and discomfort during operation is reduced. The pressing parts 11 are provided with marks for indicating the state of the rotary sleeve 7, and the end surfaces of the two pressing parts 11 on one push rod 8 are respectively provided with an opening character and a closing character. The upper edge of the pressing part 11 is provided with a round corner structure, so that the edge does not reduce the compression of the edge on hands during pressing, and the possibility that the sterile gloves are scratched is reduced. The locking device 5 further comprises a protection device 12, the protection device 12 comprises a linkage frame 13 and a locking block 14, the middle of the linkage frame 13 is rotatably connected with the rotary sleeve 7, the locking block 14 is symmetrically and vertically fixed at two ends of the bottom of the linkage frame 13, a protruding part is arranged on the side surface of the locking block 14, an opening groove 15 and a closing groove 16 which are matched with the locking block 14 are arranged on the push rod 8, a first groove 17 for the linkage frame 13 to swing is arranged on the needle sleeve seat 1, a second groove 18 for the locking block 14 to swing is arranged at the bottom of the first groove 17, the second groove 18 is communicated with the locking groove 10, the linkage frame 13 can swing along the axis of the rotary sleeve 7, the opening groove 15 corresponds to the locking block 14 when the rotary sleeve 7 and the locking head 6 are opened, the closing groove 16 corresponds to the locking block 14 when the rotary sleeve 7 and the locking head 6 are locked, the linkage frame 13 can swing to enable the protruding part of the locking block 14 to be matched with the opening groove 15 when the rotary sleeve 7 and the locking head 6 are opened, the removal of restriction catch bar 8 guarantees that rotary sleeve 7 does not take place the angle change, prevent that the hand from pressing catch bar 8 and causing the change of rotary sleeve angle, need not confirm rotary sleeve 7 angle again during the installation, can swing linkage frame 13 and make the bulge and the closed slot 16 of locking piece 14 cooperate when rotary sleeve 7 and locking head 6 are locked, prevent that the hand mistake from touching catch bar 8 and leading to rotary sleeve 7 and locking head 6 pine to take off, promote linkage frame 13 and make locking piece 14 deviate from in opening groove 15 or closed slot 16 when needing to press catch bar 8. In order to conveniently stir the linkage frame 13, the linkage frame 13 is provided with a stirring sheet 19 at the upper part close to the end part, the stirring sheet 19 is provided with an anti-skid layer 20, the anti-skid layer 20 is provided with a strip-shaped bulge parallel to the length direction of the linkage frame 13, and the position of the linkage frame 13 can be conveniently changed when an operator wears sterile gloves on hands through the anti-skid layer 20 on the stirring sheet 19. The needle holder seat 1 is provided with first observation hole 21 in the both sides face and the corresponding position of rotary sleeve 7, needle file 2 is provided with second observation hole 22 in the both sides face and the corresponding position of first observation hole 21, can see through first observation hole 21 and second observation hole 22 whether the rotary sleeve 7 cooperates with locking head 6 correctly. The upper part of the needle base 2 is provided with a first operation hole 23 corresponding to the second groove 18, when the needle base 2 is matched with the needle sleeve base 1, the first operation hole 23 can expose the linkage frame 13, and the linkage frame 13 can be pulled by hand.
When needle hub 1 and needle file 2 separation are realized to needs, only need press catch bar 8, make catch bar 8 drive gear portion 9 and rotate, thereby realize the separation of rotatory cover 7 and locking head 6 is accomplished in the rotation of rotatory cover 7, needle hub 1 can separate with needle file 2 this moment, when needing to install needle hub 1 and needle file 2, press catch bar 8 through the thumb and can realize the separation of needle hub 1 and needle file 2, do not need traditional pjncture needle 4 to loosen threaded connection position the cooperation of the hand that will grip another hand and just can carry out the separation of needle hub 1 and needle file 2, reduce the action by a wide margin of doctor when the operation and prevent because of by a wide margin, reduce rocking of pjncture needle 4, guarantee the stability of operation.

Claims (9)

1. The utility model provides a marrow biopsy puncture sampling device which characterized in that: the needle holder comprises a needle sleeve seat (1) and a needle seat (2), wherein a puncture sleeve (3) is arranged on the lower portion of the needle sleeve seat (1), a puncture needle (4) is arranged on the lower portion of the needle seat (2), a locking device (5) is arranged on the upper portion of the needle sleeve seat (1), a locking head (6) matched with the locking device (5) is arranged on the outer side of the puncture needle (4) on the lower portion of the needle seat (2), and the puncture needle (4) penetrates through the puncture sleeve (3) and then is connected with the locking head (6) through the locking device (5);
the locking head (6) is provided with an external thread which is coaxial with the puncture needle (4);
locking device (5) are including rotating sleeve (7), catch bar (8), rotating sleeve (7) set up needle sleeve seat (1) upper portion and puncture cover (3) coaxial arrangement, rotating sleeve (7) inside be equipped with locking head (6) complex internal thread, be equipped with gear portion (9) on rotating sleeve (7), catch bar (8) are equipped with at the middle part with gear portion (9) matched with rack portion, be equipped with on needle sleeve seat (1) and be used for locking groove (10) with catch bar (8) sliding connection, needle sleeve seat (1) is run through in locking groove (10), catch bar (8) are good at locking groove (10).
2. The needle sampling device for bone marrow biopsy according to claim 1, wherein: the two push rods (8) are symmetrically arranged relative to the origin of the rotating sleeve (7).
3. The needle sampling device for bone marrow biopsy according to claim 1, wherein: two ends of the push rod (8) are respectively provided with a pressing part (11), and the section size of the pressing part (11) perpendicular to the length direction of the push rod (8) is larger than that of the push rod (8).
4. The needle sampling device for bone marrow biopsy according to claim 1, wherein: locking device (5) still include protection device (12), protection device (12) are including linkage frame (13) and locking piece (14), linkage frame (13) middle part rotates with rotary sleeve (7) to be connected, the vertical both ends of fixing in linkage frame (13) bottom of locking piece (14) symmetry, locking piece (14) are provided with the bulge in the side, be equipped with on catch bar (8) and open groove (15) and close groove (16) with locking piece (14) complex, be equipped with on needle cover seat (1) and be used for supplying linkage frame (13) wobbling first groove (17), first groove (17) bottom is provided with and is used for supplying locking piece (14) wobbling second groove (18), second groove (18) are linked together with locking groove (10).
5. The needle sampling device for bone marrow biopsy of claim 4, wherein: the linkage frame (13) is provided with a poking piece (19) near the end part at the upper part, an anti-slip layer (20) is arranged on the poking piece (19), and a long strip-shaped bulge parallel to the length direction of the linkage frame (13) is arranged on the anti-slip layer (20).
6. The needle sampling device for bone marrow biopsy according to claim 1, wherein: the needle sleeve seat (1) is provided with a first observation hole (21) at the position corresponding to the rotary sleeve (7) on the two side faces, and the needle seat (2) is provided with a second observation hole (22) at the position corresponding to the first observation hole (21) on the two side faces.
7. The needle sampling device for bone marrow biopsy according to claim 1, wherein: a first operation hole (23) is arranged at the upper part of the needle seat (2) corresponding to the second groove (18).
8. The needle sampling device for bone marrow biopsy of claim 3, wherein: the pressing part (11) is provided with a mark for indicating the state of the rotating sleeve (7).
9. The needle sampling device for bone marrow biopsy according to claim 3 or 8, characterized in that: the upper edge of the pressing part (11) is provided with a fillet structure.
CN201811435640.XA 2018-11-28 2018-11-28 Marrow biopsy puncture sampling device Active CN109512471B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN109512471B true CN109512471B (en) 2021-08-06

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CN104837414A (en) * 2012-10-08 2015-08-12 德维克医疗产品公司 Tissue biopsy device with thumbwheel and sample holder
CN203693706U (en) * 2014-01-26 2014-07-09 董玉池 Marrow puncture needle
WO2016044226A2 (en) * 2014-09-19 2016-03-24 Transmed7, Llc In-situ material delivery devices and methods
CN204581452U (en) * 2015-04-08 2015-08-26 闫萍 Novel marrow puncture needle
CN204951012U (en) * 2015-09-29 2016-01-13 北华大学 Rotation type bone marrow puncture needle
CN105455857A (en) * 2016-01-14 2016-04-06 黄泽浩 Assistant puncture device for medullo-puncture needle
CN106691550A (en) * 2016-11-23 2017-05-24 中国人民解放军第三军医大学第附属医院 Breast tissue puncture biopsy needle
CN108294792A (en) * 2018-01-31 2018-07-20 赵海涛 A kind of design of marrow puncture needle by different level
CN108309364A (en) * 2018-02-06 2018-07-24 重庆医科大学附属永川医院 A kind of marrow puncture device and its piercing method

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