CN111067577A - Combined push type marrow extractor in bone - Google Patents
Combined push type marrow extractor in bone Download PDFInfo
- Publication number
- CN111067577A CN111067577A CN201911409355.5A CN201911409355A CN111067577A CN 111067577 A CN111067577 A CN 111067577A CN 201911409355 A CN201911409355 A CN 201911409355A CN 111067577 A CN111067577 A CN 111067577A
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- Prior art keywords
- needle
- puncture
- push
- marrow
- hole
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-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—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
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3401—Puncturing needles for the peridural or subarachnoid space or the plexus, e.g. for anaesthesia
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3472—Trocars; Puncturing needles for bones, e.g. intraosseus injections
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
- A61B10/025—Pointed or sharp biopsy instruments for taking bone, bone marrow or cartilage samples
- A61B2010/0258—Marrow samples
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B2017/3454—Details of tips
Abstract
The invention discloses a combined push-type marrow extractor in a bone, which comprises a cylindrical shell, an anesthetic needle, a marrow taking needle and a puncture needle, wherein one end of the cylindrical shell is provided with a sealing bottom plate, the other end of the cylindrical shell is movably provided with a rotary cover, the anesthetic needle, the marrow taking needle and the puncture needle are all movably inserted on the rotary cover, the sealing bottom plate is provided with a needle hole, the inner side of the needle hole is provided with a fixed hole, the puncture needle comprises a needle cylinder and a push-pull rod, the front end of the needle cylinder is provided with a sliding hole, a fixed sleeve is movably clamped in the sliding hole, one end of the fixed sleeve is fixedly connected with a puncture needle head, one end of the push-pull; the invention can complete the operations of beating the anesthetic and taking the marrow only by one-time puncture, thereby reducing the puncture times and the pain of the patient caused by puncture; the positioning structure is arranged on the surface of the device, so that the device can be fixed when the marrow is taken in the puncture, the whole puncture and marrow liquid extraction work can be conveniently finished, meanwhile, the needle head in the puncture and marrow taking can be prevented from vibrating, and the pain of a patient is avoided.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a combined push type marrow extractor in a bone.
Background
The marrow puncture aspirates marrow fluid, it is a traumatic inspection means, usually for the puncture point beat gunnya first, then puncture, aspirate three steps to finish finally, anesthesia puncture and get marrow puncture to go on separately, puncture the number of times is more, has increased patient's misery, while draw and draw when finishing taking out because the manual operation produces the shake of syringe and syringe needle easily, bring very big misery for the patient easily.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the combined push type marrow extractor in the bone, and the combined push type marrow extractor can finish the operations of punching the anesthetic and extracting the marrow by only one-time puncture through a combined structure, thereby reducing the puncture times and the pain of a patient caused by puncture.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a make up impulse type marrow ware in bone, includes cylinder shell, anesthesia needle, gets broach and pjncture needle, the one end of cylinder shell is provided with sealing plate, and other end movable mounting has rotatory lid, rotatory covering is provided with three evenly distributed's mounting hole, the anesthesia needle, get broach and pjncture needle activity cartridge respectively in three mounting hole, the last pinhole that is provided with of sealing plate, just the inboard of pinhole is provided with the fixed orifices, the pjncture needle includes cylinder and push-and-pull rod, the front end of cylinder is provided with the slide opening, the activity of slide opening clamps fixed cover, the one end rigid coupling of fixed cover has the puncture syringe needle, the one end activity of push-and-pull rod is pegged graft in the slide opening, and the other end rigid coupling has the push-and-.
As a preferred technical scheme of the invention, a limiting sleeve rod is fixedly arranged at the bottom end of the rotary cover, a limiting disc is fixedly arranged at the lower end of the limiting sleeve rod, and three mounting holes corresponding to the rotary cover are formed in the limiting disc.
As a preferred technical scheme of the invention, a hollow limiting jack is arranged in the limiting sleeve rod, a limiting inserted rod is fixedly arranged in the middle of the sealing bottom plate, and the limiting inserted rod is movably inserted in the limiting jack.
As a preferred technical scheme of the invention, the side surface of the outer ring of the rotary cover is provided with movable alignment marks corresponding to the three mounting holes respectively, and the outer ring of the top of the cylindrical shell is provided with a fixed alignment mark.
As a preferred technical scheme of the invention, the anesthesia needle and the medullary needle comprise a needle cylinder and a push-pull rod, the front end of the needle cylinder is fixedly provided with a needle head, the needle cylinder is movably clamped with a piston, one end of the push-pull rod is fixedly connected with the piston, and the other end of the push-pull rod is fixedly provided with a push-pull plate.
As a preferred technical scheme of the invention, the interior of the puncture needle head is of a hollow structure, the interior of the fixed sleeve is provided with a through hole communicated with the hollow structure, and the diameters of the needle heads of the anesthesia needle and the medullary needle are smaller than the inner diameters of the hollow structure and the through hole.
As a preferable technical scheme of the invention, the front ends of the puncture needle head and the needle head are both provided with conical sharp heads.
As a preferable technical scheme of the invention, a rubber ferrule is attached to the inner side wall of the fixing hole.
As a preferred technical scheme of the invention, the surface of the cylindrical shell is sleeved with a limiting sleeve, and the outer side surface of the limiting sleeve is provided with a plurality of uniformly distributed brackets.
As a preferable technical scheme of the invention, the bracket is movably connected with the outer side surface of the limiting sleeve through a hinge.
As a preferred technical solution of the present invention, the cylindrical housing is a transparent housing made of plastic material.
As a preferable technical scheme of the invention, the needle cylinders of the anesthesia needle, the medullary needle and the puncture needle are all transparent needle cylinders.
As a preferable technical proposal of the invention, the lengths of the needle cylinders of the anesthesia needle, the medullary taking needle and the puncture needle are slightly longer than the length of the cylindrical shell.
As a preferred technical scheme of the invention, the tail ends of needle cylinders in the anesthesia needle, the medullary taking needle and the puncture needle are sleeved with outer sheaths.
As a preferable technical scheme of the invention, the surfaces of the needle cylinders in the anesthesia needle, the medullary taking needle and the puncture needle are all provided with scale marks.
Compared with the prior art, the invention can achieve the following beneficial effects:
according to the combined needle cylinder and needle head structure, the operations of punching the anesthetic and taking the marrow can be completed only by one-time puncture, so that the puncture times are reduced, and the pain of a patient caused by puncture is reduced; the positioning structure is arranged on the surface of the device, so that the device can be fixed when the marrow is taken in the puncture, supporting force can be provided for medical staff in the puncture process, the whole puncture and marrow liquid extraction work can be smoothly completed, meanwhile, the needle head can be prevented from vibrating when the marrow is taken in the puncture, and the pain of a patient is avoided.
Drawings
FIG. 1 is a schematic view of an exploded structure of the present invention;
FIG. 2 is a side sectional view of the housing of the present invention;
FIG. 3 is a schematic view of the structure of the anesthetic needle and the coring needle of the present invention;
FIG. 4 is a schematic view of the structure of the needle of the present invention;
wherein: 1. a cylindrical housing; 2. fixing a sleeve; 3. a support; 4. a limiting inserted rod; 5. fixing the alignment mark line; 6. a rotating cover; 7. mounting holes; 8. movably aligning the marking; 9. a limiting sleeve rod; 10. a limiting disc; 11. an anesthetic needle; 12. taking a medullary needle; 13. puncturing needle; 14. a pinhole; 15. a fixing hole; 16. a needle cylinder; 17. a push-pull rod; 18. a push-pull plate; 19. a piston; 20. a needle head; 21. fixing a sleeve; 22. a slide hole; 23. a puncture needle head.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Referring to fig. 1-4, a combined push-type marrow extractor in bone comprises a cylindrical housing 1, an anesthetic needle 11, a marrow extracting needle 12 and a puncture needle 13, wherein a sealing bottom plate is arranged at one end of the cylindrical housing 1, a rotary cover 6 is movably arranged at the other end of the cylindrical housing, three uniformly distributed mounting holes 7 are formed in the rotary cover 6, the anesthetic needle 11, the marrow extracting needle 12 and the puncture needle 13 are respectively and movably inserted into the three mounting holes 7, a needle hole 14 is formed in the sealing bottom plate, a fixing hole 15 is formed in the inner side of the needle hole 14, the puncture needle 13 comprises a needle cylinder 16 and a push-pull rod 17, a sliding hole 22 is formed in the front end of the needle cylinder 16, a fixing sleeve 21 is movably clamped in the sliding hole 22, a puncture needle head 23 is fixedly connected to one end of the fixing sleeve 21, one end of the push-pull rod 17 is.
The bottom end of the rotating cover 6 is fixedly provided with a limiting loop bar 9, the lower end of the limiting loop bar 9 is fixedly provided with a limiting disc 10, three mounting holes 7 corresponding to the rotating cover 6 are formed in the limiting disc 10, and the limiting disc 10 is matched with the rotating cover 6 to perform limiting mounting on an anesthetic needle 11, a medullary needle 12 and a puncture needle 13, so that the mounting position of the anesthetic needle is more accurate, and the position deviation is prevented.
The inside of spacing loop bar 9 is provided with hollow spacing jack, and sealed bottom plate's middle part is equipped with spacing inserted bar 4 admittedly, and spacing inserted bar 4 activity is pegged graft in spacing jack, and the spacing inserted bar 4 of accessible protects spacing loop bar 9 spacingly.
The side surface of the outer ring of the rotary cover 6 is provided with movable alignment marks 8 which respectively correspond to the three mounting holes 7, the outer ring of the top of the cylindrical shell 1 is provided with a fixed alignment mark 5, the movable alignment marks 8 respectively correspond to the anesthesia needle 11, the marrow taking needle 12 and the puncture needle 13, when the corresponding movable alignment marks 8 on the rotary cover 6 are aligned with the fixed alignment marks 5, the needle body is indicated to correspond to the pinhole at the bottom end of the shell, and then the puncture or anesthesia or marrow taking operation can be started.
The anesthetic needle 11 and the medullary taking needle 12 both comprise a needle cylinder 16 and a push-pull rod 17, the front end of the needle cylinder 16 is fixedly provided with a needle head 20, the needle cylinder 16 is movably clamped with a piston 19, one end of the push-pull rod 17 is fixedly connected with the piston 19, and the other end of the push-pull rod 17 is fixedly provided with a push-pull plate 18.
The inside hollow structure that is of puncture syringe needle 23, and fixed cover 21 is inside to be provided with the through-hole with the hollow structure intercommunication, and the diameter of anesthesia needle 11 and the syringe needle 20 of getting broach 12 is less than the internal diameter of hollow structure and through-hole, and anesthesia needle 11 and the syringe needle 20 accessible hollow structure of getting broach 12 and through-hole are pegged graft in the inside of puncture syringe needle 23 to only need accomplish once the puncture can.
The front ends of the puncture needle head 23 and the needle head 20 are provided with conical sharp heads, so that puncture and insertion are convenient.
The inner side wall of the fixed hole 15 is attached with a rubber ferrule, so that the fixed sleeve 21 at one end of the puncture needle head 23 is conveniently clamped in the fixed hole 15.
The surface cover of cylinder shell 1 is equipped with stop collar 2, and a plurality of evenly distributed's support 3 is installed to the lateral surface of stop collar 2, and support 3 passes through hinge and 2 lateral surface swing joint of stop collar, can fix the device when the marrow is got in the puncture, can provide the holding power for medical staff at the puncture in-process to accomplish whole puncture and marrow liquid extraction work smoothly, can prevent simultaneously that the needle from quivering when puncture and getting the marrow, avoid causing the misery to patient.
The cylindrical shell 1 is a transparent shell made of plastic materials, and the needle cylinders 16 of the anesthetic needle 11, the marrow taking needle 12 and the puncture needle 13 are all transparent needle cylinders, so that the puncture and marrow taking processes can be observed conveniently.
The lengths of the needle cylinder 16 in the anesthetic needle 11, the medullary taking needle 12 and the puncture needle 13 are slightly longer than that of the cylindrical shell 1, so that a part of the needle cylinder 16 is still exposed out of the shell when being inserted into the shell, thereby facilitating the operation.
The tail ends of the needle cylinder 16 in the anesthesia needle 11, the marrow taking needle 12 and the puncture needle 13 are sleeved with outer sheaths, so that the needle cylinder 16 can be conveniently held by the outer sheaths for operation.
The surfaces of the needle cylinder 16 of the anesthetic needle 11, the medullary taking needle 12 and the puncture needle 13 are all provided with scale marks, and the push-pull progress of the push-pull rod 17 can be contrasted and observed through the scale marks, so that the medullary taking amount and the anesthetic amount are measured.
Specifically, when the device is used, the device is fixedly supported by the bracket 3, the cylindrical shell 1 is vertically positioned above a puncture marrow taking point of a patient, then the rotary cover 6 is rotated, the movable alignment marking 8 corresponding to the puncture needle 13 is aligned with the fixed alignment marking 5, so that the puncture needle 13 reaches a working position, and the puncture needle head 23 at the bottom of the puncture needle is aligned with the needle hole 14; then the push-pull plate 18 of the puncture needle 13 is pushed, the puncture needle head 23 and the fixed sleeve 21 move downwards along the slide hole 22, the puncture needle head 23 punctures the marrow taking point until the fixed sleeve 21 is fixedly clamped in the fixed hole 15, the puncture operation is completed, and then the needle cylinder 16 of the puncture needle 13 can be moved upwards, so that the fixed sleeve 21 is separated from the slide hole 22; rotating the rotary cover 6 again to make the anesthetic needle 11 reach the working position, moving the needle cylinder 16 of the anesthetic needle 11 downwards to make the needle head 20 at the bottom end of the needle cylinder 16 inserted into the puncture needle head 23, at this time, the needle head 20 is positioned in the patient body to take out the marrow, then pushing the push-pull plate 18 of the anesthetic needle 11, injecting the anesthetic in the needle cylinder 16 to the patient's marrow taking point through the piston 19, and then moving the needle cylinder 16 of the anesthetic needle 11 upwards to make the needle head 20 move upwards to separate from the puncture needle head 23; after the anesthesia is performed, the rotating cover 6 is rotated again to enable the medullary needle 12 to reach the working position, the needle cylinder 16 of the medullary needle 12 is moved downwards, the needle head 20 at the bottom end of the needle cylinder 16 is inserted into the puncture needle head 23, then the push-pull plate 18 of the medullary needle is pulled, and the medullary needle is taken out through the suction force of the piston 19.
The embodiments of the present invention are not limited thereto, and according to the above-described embodiments of the present invention, other embodiments obtained by modifying, replacing or combining the above-described preferred embodiments in various other forms without departing from the basic technical idea of the present invention by using the conventional technical knowledge and the conventional means in the field can fall within the scope of the present invention.
Claims (10)
1. A combined push type marrow extractor in bone comprises a cylindrical shell (1), an anesthetic needle (11), a marrow extracting needle (12) and a puncture needle (13), and is characterized in that one end of the cylindrical shell (1) is provided with a sealing bottom plate, the other end of the cylindrical shell is movably provided with a rotary cover (6), three mounting holes (7) which are uniformly distributed are formed in the rotary cover (6), the anesthetic needle (11), the marrow extracting needle (12) and the puncture needle (13) are respectively movably inserted into the three mounting holes (7), a needle hole (14) is formed in the sealing bottom plate, a fixing hole (15) is formed in the inner side of the needle hole (14), the puncture needle (13) comprises a needle cylinder (16) and a push-pull rod (17), the front end of the needle cylinder (16) is provided with a sliding hole (22), a fixing sleeve (21) is movably clamped in the sliding hole (22), and one end of the fixing sleeve (21) is fixedly connected with a puncture needle head (23, one end of the push-pull rod (17) is movably inserted in the sliding hole (22), and the other end is fixedly connected with a push-pull plate (18).
2. The combined push type intraosseous extractor according to claim 1, wherein a limiting sleeve rod (9) is fixedly arranged at the bottom end of the rotary cover (6), a limiting disc (10) is fixedly arranged at the lower end of the limiting sleeve rod (9), and three mounting holes (7) corresponding to the rotary cover (6) are arranged on the limiting disc (10); the sealing device is characterized in that a hollow limiting jack is arranged inside the limiting sleeve rod (9), a limiting inserted rod (4) is fixedly arranged in the middle of the sealing bottom plate, and the limiting inserted rod (4) is movably inserted into the limiting jack.
3. A combined push-type intraosseous extractor according to claim 1, wherein the outer ring of the rotary cap (6) is provided with movable alignment marks (8) on the side corresponding to three mounting holes (7), respectively, and the outer ring of the top of the cylindrical housing (1) is provided with a fixed alignment mark (5).
4. The combined push type intraosseous extractor according to claim 1, wherein the anesthetic needle (11) and the medullary extracting needle (12) each comprise a needle cylinder (16) and a push-pull rod (17), a needle head (20) is fixedly arranged at the front end of the needle cylinder (16), a piston (19) is movably clamped in the needle cylinder (16), one end of the push-pull rod (17) is fixedly connected with the piston (19), and the other end of the push-pull rod is fixedly provided with a push-pull plate (18); the interior of the puncture needle head (23) is of a hollow structure, a through hole communicated with the hollow structure is formed in the fixed sleeve (21), and the diameters of the anesthesia needle (11) and the needle head (20) of the medullary taking needle (12) are smaller than the inner diameters of the hollow structure and the through hole; the front ends of the puncture needle head (23) and the needle head (20) are provided with conical pointed ends.
5. The combined push-type intraosseous extractor according to claim 1, wherein the inner side wall of the fixing hole (15) is attached with a rubber collar.
6. The combined push type intraosseous extractor according to claim 1, wherein a position-limiting sleeve (2) is sleeved on the surface of the cylindrical shell (1), and a plurality of uniformly distributed brackets (3) are arranged on the outer side surface of the position-limiting sleeve (2); the bracket (3) is movably connected with the outer side surface of the limiting sleeve (2) through a hinge.
7. A combined push-type intraosseous extractor according to claim 1, wherein said cylindrical housing (1) is a transparent housing made of plastic material; the needle cylinders (16) of the anesthetic needle (11), the medullary taking needle (12) and the puncture needle (13) are all transparent needle cylinders.
8. The combined push type intraosseous extractor according to claim 1, wherein the length of the needle cylinder (16) of the anesthetic needle (11), the extractor (12) and the puncture needle (13) is slightly longer than that of the cylindrical housing (1).
9. The combined push type intraosseous extractor according to claim 1, wherein the outer sheath is sleeved on the tail end of the needle cylinder (16) in the anesthetic needle (11), the medullary extracting needle (12) and the puncture needle (13).
10. The combined push type intraosseous extractor according to claim 1, wherein the surfaces of the needle cylinder (16) of the anesthetic needle (11), the extractor needle (12) and the puncture needle (13) are provided with scale marks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911409355.5A CN111067577A (en) | 2019-12-31 | 2019-12-31 | Combined push type marrow extractor in bone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911409355.5A CN111067577A (en) | 2019-12-31 | 2019-12-31 | Combined push type marrow extractor in bone |
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| Publication Number | Publication Date |
|---|---|
| CN111067577A true CN111067577A (en) | 2020-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911409355.5A Pending CN111067577A (en) | 2019-12-31 | 2019-12-31 | Combined push type marrow extractor in bone |
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| CN (1) | CN111067577A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114838782A (en) * | 2022-05-11 | 2022-08-02 | 嘉兴智正医药科技有限公司 | Multifunctional keratin extractor for eye patch production |
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| CN101259032A (en) * | 2008-04-21 | 2008-09-10 | 何飞 | Assembled puncture needle |
| WO2010050350A1 (en) * | 2008-10-30 | 2010-05-06 | シスメックス株式会社 | Bodily fluid collecting device and puncture needle attaching/detaching device used for same |
| CN104000639A (en) * | 2014-05-26 | 2014-08-27 | 中国人民解放军第二军医大学 | Nerve-blocking puncture catheter needle with adjustable puncture head |
| CN109223054A (en) * | 2018-09-03 | 2019-01-18 | 河南科技大学第附属医院 | A kind of bone marrow aspiration draw-out device with locating rack |
| CN209437280U (en) * | 2018-05-16 | 2019-09-27 | 马鞍山市人民医院 | A kind of spinal vertebral punctures sampling probe, sampling probe suit and sampling probe and combines with propeller |
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2019
- 2019-12-31 CN CN201911409355.5A patent/CN111067577A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101259032A (en) * | 2008-04-21 | 2008-09-10 | 何飞 | Assembled puncture needle |
| WO2010050350A1 (en) * | 2008-10-30 | 2010-05-06 | シスメックス株式会社 | Bodily fluid collecting device and puncture needle attaching/detaching device used for same |
| CN104000639A (en) * | 2014-05-26 | 2014-08-27 | 中国人民解放军第二军医大学 | Nerve-blocking puncture catheter needle with adjustable puncture head |
| CN209437280U (en) * | 2018-05-16 | 2019-09-27 | 马鞍山市人民医院 | A kind of spinal vertebral punctures sampling probe, sampling probe suit and sampling probe and combines with propeller |
| CN109223054A (en) * | 2018-09-03 | 2019-01-18 | 河南科技大学第附属医院 | A kind of bone marrow aspiration draw-out device with locating rack |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114838782A (en) * | 2022-05-11 | 2022-08-02 | 嘉兴智正医药科技有限公司 | Multifunctional keratin extractor for eye patch production |
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