CN111134791B - Platelet-rich plasma implantation and fixation device special for bone joint repair - Google Patents
Platelet-rich plasma implantation and fixation device special for bone joint repair Download PDFInfo
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- CN111134791B CN111134791B CN202010017034.7A CN202010017034A CN111134791B CN 111134791 B CN111134791 B CN 111134791B CN 202010017034 A CN202010017034 A CN 202010017034A CN 111134791 B CN111134791 B CN 111134791B
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- 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
- A61B17/3415—Trocars; Puncturing needles for introducing tubes or catheters, e.g. gastrostomy tubes, drain catheters
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- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/30—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/30—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
- A61B2090/309—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure using white LEDs
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- Public Health (AREA)
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- Orthopedic Medicine & Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to the technical field of injection equipment, in particular to a platelet-rich plasma implanting and fixing device special for bone joint repair, which comprises a main sleeve, wherein an electric push rod is arranged on the inner wall of the rear end part of the main sleeve, a first push column arranged horizontally is arranged at the tail end of a telescopic shaft of the electric push rod, a second injection is arranged at the tail end of the first push column far away from the electric push rod, a piston is integrally formed at the tail end of the second injection far away from the first push column, an auxiliary sleeve is further connected onto a barrel body at the front end part of the main sleeve in a threaded manner, a liquid outlet pipe is arranged at the end part of the auxiliary sleeve far away from the main sleeve, a liquid inlet pipe which is vertically arranged and communicated with the liquid outlet pipe is further arranged on the auxiliary sleeve. The invention is convenient to operate and use, and is also convenient to disassemble for disinfection treatment, thereby avoiding the occurrence of cross infection.
Description
Technical Field
The invention relates to the technical field of injection equipment, in particular to a platelet-rich plasma implantation and fixation device special for bone joint repair.
Background
The platelets of human body can provide coagulation during hemostasis, and also contain a plurality of growth factors related to wound healing and bone regeneration, wherein platelet-rich plasma is often poured into femoral heads during minimally invasive femoral head necrosis treatment, and corresponding plasma implanting and fixing devices are often used during the pouring operation, while the conventional plasma implanting and fixing devices are not convenient to disassemble for disinfection, so that inconvenience is brought to workers, and cross infection is easily caused.
Disclosure of Invention
The invention aims to provide a platelet-rich plasma implanting and fixing device special for bone joint repair, which aims to solve the problems that the conventional plasma implanting and fixing device proposed in the background technology is inconvenient to disassemble and sterilize, brings inconvenience to workers and is easy to cause cross infection.
In order to achieve the purpose, the invention provides the following technical scheme:
a platelet-rich plasma implanting and fixing device special for bone joint repair comprises a main sleeve, wherein an electric push rod is arranged on the inner wall of the rear end part of the main sleeve, a first push column arranged in a horizontal manner is arranged at the tail end of a telescopic shaft of the electric push rod, a second push column is arranged at the tail end of the first push column far away from the electric push rod, a piston is integrally formed at the tail end of the second push column far away from the first push column, an auxiliary sleeve is further connected onto a barrel body at the front end part of the main sleeve in a threaded manner, an annular groove communicated with the outside is formed in a barrel body at the end part of the auxiliary sleeve close to the main sleeve, a liquid outlet pipe is arranged at the end part of the auxiliary sleeve far away from the main sleeve, the liquid outlet pipe penetrates through the auxiliary sleeve and is communicated with the annular groove, the piston is positioned in the liquid outlet pipe and is in sliding connection with the liquid outlet pipe, a, the liquid inlet pipe is provided with a one-way valve, and the top end of the liquid inlet pipe is integrally formed with a liquid storage hopper.
Preferably, a threaded hole communicated with the outside is further formed in the side face of the end portion, close to the second pushing cylinder, of the first pushing cylinder, and the second pushing cylinder is in threaded connection with the threaded hole.
Preferably, the end part of the auxiliary sleeve, which is far away from the main sleeve, is further provided with an LED lamp, so that the LED lamp can be conveniently utilized to achieve the lighting effect.
Preferably, the liquid outlet pipe is further connected with a fixing pipe in a threaded manner, so that the tail end of the liquid outlet pipe is extended, and the pouring operation is facilitated.
Preferably, the rear end of the main sleeve is further provided with a heat dissipation cover for protecting the electric push rod inside, so that the electric push rod is protected inside, and meanwhile, heat dissipation is facilitated.
Preferably, the main sleeve is further provided with a handle, and the handle is provided with a three-way control switch, so that the handle can be conveniently held for operation.
Preferably, still including setting up the terminal fixed screw of drain pipe, be equipped with in the fixed screw along the injection channel that fixed screw length direction set up, fixed pipe with the cooperation of pegging graft between the injection channel, be equipped with the one-way valve that the multiunit is linear equidistant range on the inner wall of injection channel, the quantity of the one-way valve in every group is two and just right each other, guarantees when using, can fix the fixed screw in the bone.
Preferably, a fastening screw is further connected in the injection channel in a threaded manner, so that the injection channel is blocked, and the plasma is prevented from flowing out of the injection channel.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention is convenient to drive the first push column and the second push column to move forwards by utilizing the extension of the telescopic shaft of the electric push rod through the arranged electric push rod, so that the plasma in the liquid outlet pipe is extruded from the tail end of the liquid outlet pipe to complete the injection operation of the plasma, in addition, the auxiliary sleeve is in threaded connection with the main sleeve through the threaded connection between the arranged fixed pipe and the liquid outlet pipe, so that the auxiliary sleeve and the fixed pipe are convenient to disassemble, and after the disassembly, the auxiliary sleeve and the fixed pipe are convenient to disinfect, the occurrence of cross infection is reduced, and the problems that the conventional plasma implantation and fixation device is inconvenient to disassemble for disinfection, inconvenience is brought to working personnel, and the cross infection is easy to cause are solved.
2. The invention is convenient to fix in the bone through the arranged fixing screw, and the arranged fastening screw is in threaded connection with the injection channel, so that the injection channel is convenient to block, and the blood plasma is prevented from flowing out of the injection channel.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic view of a second bolus, a plunger, and a limiting protrusion according to the present invention;
FIG. 4 is a schematic structural view of a first pushing post according to the present invention;
FIG. 5 is a schematic structural view of an auxiliary sleeve, a liquid outlet pipe, a liquid inlet pipe, a check valve, a liquid storage hopper and an LED lamp according to the present invention;
FIG. 6 is a cross-sectional view of a secondary sleeve of the present invention;
fig. 7 is a cross-sectional view of a set screw according to the present invention.
In the figure: 1. a main sleeve; 10. an electric push rod; 11. a first push post; 111. a threaded hole; 12. a second bolus; 121. a piston; 13. a sub-sleeve; 131. an annular groove; 132. a liquid outlet pipe; 133. a liquid inlet pipe; 134. a one-way valve; 135. a liquid storage hopper; 136. an LED lamp; 14. a fixed tube; 15. a heat dissipation cover; 16. a handle; 161. a three-in control switch; 2. fixing screws; 20. an injection channel; 201. a one-way valve; 3. and (5) fastening the screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1-7, the present invention provides a technical solution:
a platelet-rich plasma implanting and fixing device special for bone joint repair comprises a main sleeve 1, wherein an electric push rod 10 is fixedly mounted on the inner wall of the rear end part of the main sleeve 1 through a plurality of fastening screws, a fixing base is arranged on the electric push rod 10, a plurality of threaded holes communicated with the outside are formed in the fixing base and the inner wall of the main sleeve 1, and then the fixing base on the electric push rod 10 is fixedly mounted on the inner wall of the main sleeve 1 through the fastening screws, so that the mounting is convenient, and the structure of the device is more firm and stable;
furthermore, a first push column 11 which is horizontally arranged is tightly welded at the tail end of a telescopic shaft of the electric push rod 10, a second push injection 12 is arranged at the tail end of the first push column 11, which is far away from the electric push rod 10, a threaded hole 111 communicated with the outside is also arranged in the side surface of the end part of the first push column 11, which is close to the second push injection 12, and the second push injection 12 is in threaded connection with the threaded hole 111, so that the second push injection 12 and the end part of the first push column 11 can be conveniently fixed, and the second push injection 12 can be conveniently detached from the first push column 11, so that the second push injection 12 can be replaced, and the cross infection can be avoided;
further, the piston 121 is integrally formed at the tail end, away from the first push column 11, of the second push injection 12, an auxiliary sleeve 13 is further in threaded connection with the barrel body at the front end of the main sleeve 1, internal threads are formed on the inner wall of the main sleeve 1, external threads are formed on the surface of the auxiliary sleeve 13, and the external threads on the surface of the auxiliary sleeve 13 are meshed with the internal threads on the inner wall of the main sleeve 1, so that the auxiliary sleeve 13 and the main sleeve 1 can be conveniently installed, the auxiliary sleeve 13 can be conveniently detached, and the auxiliary sleeve 13 can be disinfected;
furthermore, an annular groove 131 communicated with the outside is formed in the cylinder body at the end part of the auxiliary sleeve 13 close to the main sleeve 1, a liquid outlet pipe 132 is integrally formed at the end part of the auxiliary sleeve 13 far away from the main sleeve 1, the liquid outlet pipe 132 penetrates through the auxiliary sleeve 13 and is communicated with the annular groove 131, the piston 121 is positioned in the liquid outlet pipe 132 and is in sliding connection with the liquid outlet pipe 132, and it is ensured that the plasma in the liquid outlet pipe 132 can be extruded from the tail end of the liquid outlet pipe 132 through the movement of the piston 121;
further, still integrated into one piece has the feed liquor pipe 133 that is vertical form setting and is linked together with drain pipe 132 on the vice sleeve 13, is equipped with check valve 134 on the feed liquor pipe 133, and the top integrated into one piece of feed liquor pipe 133 has liquid storage hopper 135, guarantees when using, can utilize liquid storage hopper 135 to store plasma, and through the check valve 134 that sets up, guarantees that plasma can only one-wayly enter into in the feed liquor pipe 133 from liquid storage hopper 135.
In this embodiment, auxiliary sleeve 13, liquid storage bucket 135, feed liquor pipe 133 and drain pipe 132 are transparent material, guarantee when using, the specific conditions that observation plasma that the staff can be better enters into in the drain pipe 132.
Specifically, the end part of the auxiliary sleeve 13, which is far away from the main sleeve 1, is also tightly bonded with the LED lamp 136, so that when the light is insufficient, the LED lamp 136 is connected with an external power supply and works, and the LED lamp 136 is used for achieving an illumination effect.
Further, go up still threaded connection on drain pipe 132 and have fixed pipe 14, the surface of drain pipe 132 is equipped with the external screw thread, is equipped with the internal thread on the inner wall of fixed pipe 14, and the external screw thread on drain pipe 132 surface is interlock each other with the internal thread on the fixed pipe 14 inner wall, makes the terminal extension of drain pipe 132, is convenient for pour into the operation.
In addition, the rear end portion of the main sleeve 1 is tightly bonded with a heat dissipation cover 15 used for protecting the electric push rod 10 inside, a plurality of heat dissipation grooves communicated with the outside are formed in the heat dissipation cover 15, and the electric push rod 10 is protected inside and meanwhile heat dissipation is facilitated through the arranged heat dissipation cover 15.
It should be noted that, the main sleeve 1 is also integrally formed with a handle 16, which is convenient for holding the handle 16 to operate; the handle 16 is provided with a three-way control switch 161, and the three-way control switch 161 can correspond to three operations of pushing, stopping and pulling.
It is worth noting that the device also comprises a fixing screw 2 arranged at the tail end of the liquid outlet pipe 132, an injection channel 20 arranged along the length direction of the fixing screw 2 is arranged in the fixing screw 2, two end parts of the injection channel 20 are communicated with the outside, and the fixing pipe 14 is matched with the injection channel 20 in an inserting manner, so that the fixing pipe 14 and the fixing screw 2 are conveniently assembled; the inner wall of the injection channel 20 is provided with a plurality of sets of unidirectional valves 201 which are linearly arranged at equal intervals, the number of the unidirectional valves 201 in each set is two and is opposite to each other, the unidirectional valves 201 can be made of polylactic acid degradation repair materials to ensure that the unidirectional valves can be degraded, and in addition, certain elasticity is ensured, when liquid passes through the two unidirectional valves 201 in a forward direction, the two unidirectional valves 201 can be opened towards two sides under the action of liquid impact force, when no liquid passes in the forward direction, the two unidirectional valves 201 can be closed towards the middle position, and when the liquid flows through the two unidirectional valves 201 in a reverse direction, because the tail ends of the two unidirectional valves 201 are abutted, the two unidirectional valves 201 cannot be opened towards the outer side, the liquid cannot normally pass in the reverse direction, and therefore the effect of blocking the plasma reverse flow is achieved.
In this embodiment, through the set screw 2, it can be guaranteed that the set screw 2 is fixed in the bone when in use.
Specifically, the injection channel 20 is further connected with a fastening screw 3 in the position close to the front end of the injection channel, the inner wall of the injection channel 20 is provided with an internal thread, and after the fastening screw 3 is screwed into the injection channel 20, the injection channel 20 can be blocked, so that the blood plasma is prevented from flowing out of the injection channel 20.
In this embodiment, the electric push rod 10 may be an NKLA33 series electric push rod manufactured by Ningbo electronic technology, Inc., and its matching circuit and power supply are also provided by the manufacturer; in addition, the related circuits, electronic components and modules in the present invention are all the prior art, and those skilled in the art can fully implement the present invention, and the protection content of the present invention does not relate to the improvement of software and methods.
It is worth to say that, when inserting the piston 121 into the middle position of the liquid outlet pipe 132 close to the liquid outlet pipe 132, and rotating the auxiliary sleeve 13 to be in threaded connection with the main sleeve 1, the end of the second push injection 12 is exposed outside the auxiliary sleeve 13, and the second push injection 12 can also be normally screwed into the threaded hole 111 in the first push column 11, so that when the installation of the auxiliary sleeve 13 and the main sleeve 1 is completed, the installation of the first push column 11 and the second push column 12 is also completed.
When the platelet-rich plasma implanting and fixing device special for bone joint repair is used, firstly, the fixing screw 2 is screwed into a corresponding bone, the fastening screw 3 is taken down, the fixing tube 14 is screwed into the liquid outlet tube 132, then the piston 121 on the second injection 12 is plugged into the liquid outlet tube 132 from the end part of the liquid outlet tube 132 far away from the fixing tube 14, then the auxiliary sleeve 13 is screwed into the main sleeve 1, at the moment, the second injection 12 is also just screwed into the threaded hole 111 in the first injection column 11, the installation of the auxiliary sleeve 13, the main sleeve 1, the second injection 12 and the first injection column 11 is completed, then the electric push rod 10 is connected with an external power supply and works, the telescopic shaft on the electric push rod extends to drive the first injection column 11 and the second injection column 12 to move forwards, when the piston 121 moves to be close to the liquid inlet tube 133, the electric push rod 10 is stopped to be started, and then the platelet-rich plasma is poured into the liquid storage hopper 135, the tail end of the fixing tube 14 is blocked by a thumb, the electric push rod 10 is continuously started and works, the telescopic shaft on the electric push rod is shortened to drive the first push column 11 and the second push column 12 to move backwards and further drive the piston 121 to move backwards, at the moment, the liquid outlet tube 132 is in a negative pressure state, platelet-rich plasma in the liquid storage hopper 135 is sucked into the liquid outlet tube 132, the fixing tube 14 is inserted into the injection channel 20, the electric push rod 10 is started to work, the telescopic shaft on the electric push rod is extended to drive the first push column 11, the second push column 12 and the piston 121 to move forwards, the platelet-rich plasma in the liquid outlet tube 132 is squeezed into a bone from the tail end of the fixing tube 14, after the platelet-rich plasma is squeezed out, the fastening screw 3 is continuously screwed into the injection channel 20 to block the injection channel 20, and the problems that the conventional plasma implantation and fixing device are inconvenient to detach and sterilize are solved, inconvenience is brought to workers, and cross infection is easily caused.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a special rich platelet plasma of bone joint restoration is implanted and fixer, includes main sleeve (1), its characterized in that: the rear end part inner wall of the main sleeve (1) is provided with an electric push rod (10), the tail end of a telescopic shaft of the electric push rod (10) is provided with a first push column (11) which is arranged in a horizontal shape, the tail end of the electric push rod (10) far away from the first push column (11) is provided with a second push column (12), the second push column (12) far away from the tail end of the first push column (11) is integrally formed with a piston (121), the front end part cylinder body of the main sleeve (1) is further connected with an auxiliary sleeve (13) in a threaded manner, an annular groove (131) communicated with the outside is arranged in the end part cylinder body of the auxiliary sleeve (13) close to the main sleeve (1), the end part of the auxiliary sleeve (13) far away from the main sleeve (1) is provided with a liquid outlet pipe (132), the liquid outlet pipe (132) penetrates through the auxiliary sleeve (13) and is communicated with the annular groove (131), the piston (121) is positioned in the liquid outlet pipe (132) and, the auxiliary sleeve (13) is also provided with a liquid inlet pipe (133) which is vertically arranged and communicated with the liquid outlet pipe (132), the liquid inlet pipe (133) is provided with a one-way valve (134), and the top end of the liquid inlet pipe (133) is integrally formed with a liquid storage hopper (135); go back threaded connection on drain pipe (132) and have fixed pipe (14), special rich platelet plasma of bone joint restoration implants and fixer still is including setting up drain pipe (132) terminal fixed screw (2), be equipped with in fixed screw (2) along injection channel (20) that fixed screw (2) length direction set up, fixed pipe (14) with the cooperation of pegging graft between injection channel (20), be equipped with on the inner wall of injection channel (20) the multiunit and be linear equidistant one-way flap (201) of arranging, the quantity of one-way flap (201) in every group is two and just right each other.
2. The platelet-rich plasma implantation and fixation device for bone joint repair according to claim 1, wherein: the side face of the end part of the first push column (11) close to the second push injection (12) is also internally provided with a threaded hole (111) communicated with the outside, and the second push injection (12) is in threaded connection with the threaded hole (111).
3. The platelet-rich plasma implantation and fixation device for bone joint repair according to claim 1, wherein: and an LED lamp (136) is further arranged at the end part of the auxiliary sleeve (13) far away from the main sleeve (1).
4. The platelet-rich plasma implantation and fixation device for bone joint repair according to claim 1, wherein: the rear end part of the main sleeve (1) is also provided with a heat dissipation cover (15) used for protecting the electric push rod (10) inside.
5. The platelet-rich plasma implantation and fixation device for bone joint repair according to claim 1, wherein: still be equipped with handle (16) on main sleeve (1), be equipped with three-in-one control switch (161) on handle (16).
6. The platelet-rich plasma implantation and fixation device for bone joint repair according to claim 1, wherein: and a fastening screw (3) is further connected in the injection channel (20) in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010017034.7A CN111134791B (en) | 2020-01-08 | 2020-01-08 | Platelet-rich plasma implantation and fixation device special for bone joint repair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010017034.7A CN111134791B (en) | 2020-01-08 | 2020-01-08 | Platelet-rich plasma implantation and fixation device special for bone joint repair |
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| CN111134791A CN111134791A (en) | 2020-05-12 |
| CN111134791B true CN111134791B (en) | 2021-04-16 |
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| US7041084B2 (en) * | 2001-05-24 | 2006-05-09 | Fojtik Shawn P | Hand-held, hand operated power syringe and methods |
| CN105214343B (en) * | 2015-10-26 | 2017-06-20 | 张家港高品诚医械科技有限公司 | A kind of extraction suit of platelet rich plasma |
| CN208784897U (en) * | 2017-08-16 | 2019-04-26 | 孙鹏飞 | It is a kind of for injecting the device of bone cement |
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| JPH0355067A (en) * | 1989-07-25 | 1991-03-08 | Feather Kogyo Kk | Syringe adaptor |
| CN101198367A (en) * | 2005-07-27 | 2008-06-11 | 维达保健公司 | Apparatus and method to inject fluids into bone marrow and other target sites |
| CN101224132A (en) * | 2007-01-19 | 2008-07-23 | 陈建庭 | Hollow, side hole, directional perfusion cervical pedicle bolt |
| CN209392509U (en) * | 2018-12-26 | 2019-09-17 | 天康生物股份有限公司 | Syringe |
| CN109771739A (en) * | 2019-03-01 | 2019-05-21 | 浙江师范大学 | A kind of drug injector of piezoelectric patches driving |
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| CN111134791A (en) | 2020-05-12 |
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