CN105268089A - Intraosseous infusion device - Google Patents
Intraosseous infusion device Download PDFInfo
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- CN105268089A CN105268089A CN201410264175.3A CN201410264175A CN105268089A CN 105268089 A CN105268089 A CN 105268089A CN 201410264175 A CN201410264175 A CN 201410264175A CN 105268089 A CN105268089 A CN 105268089A
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- sleeve pipe
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- transfusion needle
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Abstract
The invention relates to the medical equipment technical field, and discloses an intraosseous infusion device used for fast building a liquid recovery channel in emergency rescue; the intraosseous infusion device comprises a sleeve having a handle; the top of the sleeve is a pedestal; a combined infusion needle, formed by sleeving a puncture needle core with a hollow infusion needle, is contained in a cavity of the sleeve; a rotary spring is arranged in the sleeve; one end of the rotary spring is fixed on the pedestal, and the other end is fixed on a limit connector connecting with the upper portion of the tail of the puncture needle core; a slide way connected with the cavity of the sleeve is arranged in the handle, and clamped with a limit part; when the rotary spring is rotated and compacted, the limit part can clamp the limit connector through the slide way. The conventional impacting needle insertion mode is replaced by a rotary ejection mode, so the impact energy on a puncture position is small, and fracture can hardly happen; the head of the intraosseous infusion device is preset with threads, thus preventing infusion needle puncture position seepage and infusion needle slipping phenomenon.
Description
Technical field
The present invention relates to technical field of medical instruments, specifically a kind of for promptly rescuing time set up the intrabone infusion device of liquid resuscitation passage fast.
Background technology
The approach of the liquid resuscitation adopted when promptly rescuing clinically or input medicine mainly contains three kinds of modes in vein, tremulous pulse and bone, wherein intraosseous infusion is mainly used in the rescue that the state of emergency is heavy patient, as patients such as respiratoring palpitating suddenly stopping, severe trauma hemorrhagic shock, severe dehydration, infant serious dehydration, this kind of patient cannot set up blood vessel first aid passage quickly and efficiently because a large amount of liquid of losing blood causes vein collapse; In addition, when Severe edema, serious burn, life-threatening epilepsy, the ambulance rocked or the operating difficulties such as helicopter, dim light, intraosseous infusion has easy and simple to handle, fast and effeciently advantage, infusion channel can be set up in time, and apply salvage drug even infusion blood plasma, deshydremia cell etc., win the quality time for giving emergency treatment to a patient.
At present, clinical portable intrabone infusion device many employings impact type inserting needle mode has been applied to.Such as, China Patent Publication No. is " CN102198298A ", application number " 201110043455.8 ", name is called a kind of infusion survival kit in marrow cavity of the disclosure of the invention of " infusion survival kit in marrow cavity ", comprise base, puncture needle, launch main cylinder, catapult-launching gear, mandrel, upper cover and back handle, catapult-launching gear is positioned at and launches main cylinder, catapult-launching gear comprises thrust spring, thrust axis, steel ball lock structure, thrust axis is solid, one shrinkage pool is arranged at bottom, built-in magnetic adapter, thrust axis is connected by magnetic connector with puncture needle, one pit is arranged at thrust axis top, the bottom of mandrel can be placed in the shrinkage pool on thrust axis top.By spring mechanical power, by intraosseous infusion needle, the method penetrated in bone marrow solves the problem setting up infusion channel fast in this invention, easy to use, quick, but site of puncture has an intense pain, fracture in the site of puncture even problem such as transfusion needle fracture that this device easily causes in practice, and transfusion needle is engaged phenomenons such as sepage and transfusion needle closely can not caused to slide, deviate from sclerotin interface, can cause the severe complications such as osteofascial compartment syndrome time serious.
China Patent Publication No. is " CN201073504Y ", application number is " 200720026875.4 ", name is called that the utility model of " intrabone infusion device " also discloses a kind of intrabone infusion device, comprise puncture needle and handle, puncture needle is connected and fixed by interface on medicated pillow part and handle, puncture needle is made up of needle tubing and nook closing member, and needle tubing outer wall is provided with screw thread.This utility model solves the problem that transfusion needle easily slides, deviates from, but remains impact mode due to transfusion needle, and therefore site of puncture fracture more easily occurs, and helicitic texture can not be made to reach preferably effect.
A kind of intrabone infusion device that can prevent site of puncture fracture from simultaneously preventing transfusion needle from sliding, deviating from of urgent clinical needs.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of simple and practical, can not only prevent from site of puncture from fracturing avoiding the intrabone infusion device of transfusion needle slippage simultaneously.
Technical solution of the present invention is as follows:
A kind of intrabone infusion device, comprise sleeve pipe, sleeve pipe is provided with hand holding handle, and sleeve upper end is base, and the inner chamber of sleeve pipe accommodates the combination type transfusion needle be socketed by puncture needle core, hollow transfusion needle, and intrabone infusion device also comprises rotating spring, locking device and catapult-launching gear;
Base is fixed in rotating spring one end, and the other end is fixed on the limit connector that is connected with puncture needle core tail end top;
Locking device comprises " convex " font locating part, hold slideway and limit connector that locating part slides, installation of slide track communicates with inside pipe casing at hand holding handle inner chamber middle slideway, projection is with outside limit connector, locating part is stuck in the adjacent projection of limit connector, rotating spring is by after rotary compression, and locating part is stuck in the adjacent projection of limit connector;
Catapult-launching gear comprises pressing plate, pressing resistance spring, spacing resistance spring and plectrum, and pressing resistance spring one end presses on base, and the other end is fixed on pressing plate; Plectrum and pressing plate are fixed, and are placed in cannula cavity through base, and the unsettled one end of plectrum tilts; Slideway inside is provided with spacing resistance spring, compresses locating part.
Rotating spring original state is compression torsion, and carry out spacing by locking device to rotating spring, locking device comprises locating part, limit connector and slideway.Slideway is for limiting the degree of freedom of locating part, and the shape of described slideway is determined according to locating part shape, and the main locating part that holds moves wherein.Be cavity in hand holding handle, the slideway that cavity has accommodation " convex " font locating part to slide; Be with projection outside described limit connector, rotating spring is by after rotary compression, and locating part is stuck in the adjacent projection of limit connector, once detach locating part, spring can discharge elastic potential energy, drives combination type transfusion needle to eject and realizes the effect that puncture needle rotates puncture, prevent site of puncture from fracturing.Puncture successfully, pull open and be enclosed within outside puncture needle core, transfusion operation can be carried out to hollow transfusion needle.
The catapult-launching gear of intrabone infusion device comprises pressing plate, pressing resistance spring, spacing resistance spring and plectrum, and pressing resistance spring one end presses on base, and the other end is fixed on pressing plate; Plectrum and pressing plate are fixed, and are placed in cannula cavity through base, and the unsettled one end of plectrum tilts; Slideway inside is provided with spacing resistance spring, compresses locating part.This mode, hand holding handle both sides are closed, and " convex " font locating part is placed in hand holding handle inner chamber, and locating part compresses spacing resistance spring, in order to increase coupling mechanism force, limit connector are difficult to more mobile.By to pressing down pressing plate, drive plectrum to move down, sloping portion touch locating part backward outer dial from, the restriction that limit connector departs from locating part starts launching of rotating spring afterwards.Catapult-launching gear is mainly used in controlling locking device, can be easier and effectively control rotating spring and launch, and avoids causing the unstable factor manually detaching locating part and bring.Described locating part, slideway, plectrum can be two groups relative to the distribution of sleeve pipe formed symmetrical, also can be only one group and are distributed in side.
Described rotating spring is torsion spring, both can store the elastic potential energy that trimming produces on the whole, can store again the elastic potential energy that torsional deflection produces.Torsion spring can be purchased in Shanghai China Spring Manufacturing Co., Ltd.
Preferably, described intrabone infusion device also comprises adjustable depth stop valve, depth stop valve is made up of actuator, baffle plate and buckle, sleeve side walls has guide groove, and baffle plate is arranged at inside pipe casing, with external regulator filter through guide groove clamping, buckle is connected with actuator, limit regulator position.Depth stop valve is mainly used in limiting the lancet puncture degree of depth in advance, and the structure of depth stop valve adopts the design of similar cutter handle of a knife sliding tray.Actuator and baffle plate clamping are detachably to dismantle baffle plate with puncture needle core for convenience detach puncturing successfully.
Preferably, described sleeve pipe is divided into sleeve pipe and setting of casing two parts, and upper sleeve pipe is removably connected with setting of casing, and described hand holding handle is arranged on sleeve pipe, and upper inside pipe casing holds combination type transfusion needle and rotating spring; Described guide groove is arranged on setting of casing, and setting of casing holds depth stop valve.After sleeve pipe is divided into two sections, depth stop valve can be made and not dismantle, and comparatively firmly, punctures successfully, can supply to depart from upper and lower sleeve pipe and dismantle combination type transfusion needle; Meanwhile, the setting of casing of disengaging also has the effect of auxiliary fixing transfusion needle.
Preferably, described hollow transfusion needle head end has external screw thread.The external screw thread of hollow transfusion needle head end can make at the more firm difficult drop-off of hollow transfusion needle successfully that punctures.
Preferably, sleeve surface has scale mark for different site of puncture.
The conventional connected modes such as the annexation single screw between described puncture needle core tail end and transfusion needle tail end.Preferably, described puncture needle core tail end is internal spline structure, and hollow transfusion needle tail end is external splines structure, and both are connected by inside and outside spline fitted.Avoiding helicitic texture to cause due to coaxial rotating in piercing process between transfusion needle and puncture needle is engaged too closely to adopt the object of inside and outside spline structure to be, thus causes transfusion needle and puncture needle separation difficulty.
Preferably, in described combination type transfusion needle, the more hollow transfusion needle head end of puncture needle core head end grows 3-5mm, is beneficial to puncture needle head end skin puncture and subcutaneous tissue until surface of bone.
Preferably, intrabone infusion device also has over cap to play antipollution effect.
Puncture needle core of the present invention is socketed in hollow transfusion needle and is placed in inside pipe casing, and rotating spring one end is fixed on sleeve pipe base, and the other end is fixed on the limit connector that is connected with combination type transfusion needle.The original state of rotating spring is maximum rotary compression shape, stores the rotating spring of trimming and distortion generation simultaneously.Locating part sticks into limit connector by slideway, and when detaching locating part, the compression of rotating spring release deposit rotates potential energy, launches transfusion needle in a rotative pattern.The present invention changes original impact type inserting needle mode, little to site of puncture impact energy, not easily causes fracture; Locating part adopts the slide block of " convex " shape, is stuck in the slideway of hand holding handle inner chamber, not only saves space but also can reach preferably locking effect; Catapult-launching gear can conveniently control detaching of locking device, and limit valve can preset the ejection degree of depth of transfusion needle; The design of sleeve pipe tube-separating type is not only conducive to the dismounting of puncture successful combination formula transfusion needle, and setting of casing also can as the follow-up fixed part stablizing hollow transfusion needle simultaneously; Intraosseous infusion needle end presets screw thread, reduces the generation of the phenomenon such as the sepage of transfusion needle site of puncture, transfusion needle slippage.Because intrabone infusion device is that rotation is advanced, be easy to form threaded engagement with sclerotin interface cut at traveling process hollow core transfusion needle, therefore can reach while reducing site of puncture impact energy and make threaded engagement play better effect.
The invention has the beneficial effects as follows, prevent site of puncture fracture, the sepage slippage of transfusion needle site of puncture, make intraosseous infusion more safe and reliable, simultaneously convenient and simple for operation, effect stability.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of hollow transfusion needle;
Fig. 2 is A-A profile in hollow transfusion needle;
Fig. 3 is the schematic diagram of puncture needle core;
Fig. 4 is B-B profile in puncture needle core;
Fig. 5 is the schematic diagram of combination type intraosseous infusion needle;
Fig. 6 is overall profile under the non-ejection status of another embodiment of the present invention;
Fig. 7 is overall profile under another embodiment of the present invention ejection status;
Fig. 8 is another embodiment of the present invention inside pipe casing structural representation;
Fig. 9 is the structural representation of sleeve pipe of the present invention;
Wherein:
1-over cap; 2-sleeve pipe; The upper sleeve pipe of 21-;
22-setting of casing; 23-hand holding handle; 24-base;
25-guide groove; 3-combination type transfusion needle 31-puncture needle core;
The hollow transfusion needle of 311-puncture needle core tail end 312-puncture needle core head end 32-;
321-hollow transfusion needle tail end 322-hollow transfusion needle head end 4-rotating spring;
51-locating part; 52-slideway; 53-limit connector;
61-pressing plate; 62-presses resistance spring; The spacing resistance spring of 63-
64-plectrum; 7-depth stop valve; 71-actuator
72-baffle plate; 73-buckle.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but enforcement of the present invention is not limited only to this.
Embodiment 1
A kind of intrabone infusion device as shown in figs. 7-9, is made up of over cap 1, sleeve pipe 2, combination type transfusion needle 3, rotating spring 4, locking device and catapult-launching gear.Sleeve pipe 2 is plastic material, inside has cavity, is mainly used in holding rotating spring 4 and combination type transfusion needle 3.Sleeve pipe 2 is opening in transfusion needle outlet side, and opposite side is base 24, and opening part has over cap 1, and the effect of over cap 1 treats that used time protection internal structure is not contaminated at intrabone infusion device.Sleeve pipe 2 is provided with hand holding handle 23, to clamp.
As shown in Fig. 1 ~ 5, combination type transfusion needle 3 is made up of puncture needle core 31 and hollow transfusion needle 32, and all adopt medical high-strength degree alloy material to make, puncture needle core 31 is solid design, the top of puncture needle core tail end 311 be groove for connecting, puncture needle core head end 312 one-tenth is cone-shaped; Hollow transfusion needle head end 322 presets screw thread, can cut New bone formation screw thread and closely be engaged in the process screwed in, and greatly strengthens resistance to plucking and goes out performance, and the generation of anti-impervious liquid.The nook closing member of puncture needle core 31 partially passes through the hollow needle tubing of hollow transfusion needle 32, and the casing of puncture needle core 31 is connected on the outside of hollow transfusion needle 32, combination type transfusion needle 3 thrusts in bone by the puncture needle core 31 with needle point by penetration phase, the needle tubing tail end of hollow transfusion needle 32 has helicitic texture can be connected with tube for transfusion to puncture successfully, by departing from puncture needle core, complete the transfusion to hollow transfusion needle 32.
Rotating spring 4 rotates the critical piece launched, and described rotating spring 4 belongs to torsionspring, can produce trimming and distortion, by rotary compression storage elastic potential energy simultaneously.Rotating spring 4 and locking device are arranged in pairs or groups, and locking device is made up of locating part 51, slideway 52 and limit connector 53.Slideway 52 in locking device does not run through hand holding handle 23, it is closed state outside hand holding handle 23, slideway 23 is within the scope of the cavity of hand holding handle 23, locating part 51 is the slide block of " convex " shape, slideway 52 is rectangular recess, the parallel-segment holding " convex " font slide block is mobile in slideway 52, and limits the displacement of locating part 51 vertical direction.Limit connector 53 is connected with combination type transfusion needle 3, and opposite side and rotating spring 4 are fixed.Limit connector 53 periphery is around projection, the vertical section of locating part 51 is stuck in the adjacent protrusion of limit connector 53, the circumferential displacement of the limit connector 53 after restriction is connected with rotating spring 4, the horizontal segment of locating part 51 then stops that the limit connector 53 after being connected with rotating spring 4 launches downwards.
Catapult-launching gear is starting drive of the present invention, and ejection valve 6 is made up of pressing plate 61, pressing resistance spring 62, spacing resistance spring 63 and plectrum 64.Pressing resistance spring 62 one end presses on base 24, the other end connects pressing plate 61, plectrum 64 one end and pressing plate 61 are fixed, sleeve pipe 2 inner chamber is placed in through base 24, one end inclination that plectrum 64 is unsettled, when not pressing pressing plate 61, plectrum is near locating part 51, after pressing, the inclined plane of plectrum 64 contacts with locating part 51, due to plectrum one end tilt, will force locating part 51 along slideway 52 dial laterally from, make locating part 51 depart from limit connector 53, discharge potential energy after rotating spring 4 non-resistance and reach the effect of launching; Slideway 53 inside is provided with spacing resistance spring 63, compresses locating part 51, in order to reach better locking effect in an initial condition.
Embodiment 2
A kind of intrabone infusion device, all the other are with embodiment 1, and described sleeve pipe 2 is tube-separating type, be divided into sleeve pipe 21 and setting of casing 22, two sleeve pipe to be threaded connection, upper sleeve pipe 21 is provided with hand holding handle 23, inner accommodation combination type transfusion needle 3 and rotating spring 4.Setting of casing 22 is provided with guide groove 25, is also provided with depth stop valve 7, and depth stop valve forms primarily of actuator 71, baffle plate 72 and buckle 73.Depth stop valve is mainly according to the operation principle of cutter handle of a knife, outside actuator 71 is connected through guide groove 25 with inner baffle plate 72, by the position of movement governor 71 controllable register 72, buckle 73 adjusts machine 71 to move freely in closed state, then secured adjusted device 71 and baffle plate 72 when pulling open.Setting of casing 22 is puncturing successfully and can also use as the fixture stablizing hollow transfusion needle 32.
Embodiment 3
A kind of intrabone infusion device, all the other with embodiment 1, puncture needle core tail end 311 have internal spline, and hollow tube for transfusion tail end 321 has external splines, both mutual riveteds, when preventing hollow transfusion needle 32 from piercing sclerotin and puncture needle core 31 come off.Labelling is carved with on sleeve pipe 2 surface.When puncture needle core 31 and hollow tube for transfusion 32 combine, the more hollow transfusion needle head end 322 of puncture needle core head end 312 grows 4mm, so that prick skin and soft tissue are until surface of bone when puncturing, and enter for transfusion needle sets up bone internal channel in spongy bone as bit drills, can prevent soft tissue from embedding in transfusion needle simultaneously and cause pin hole to block.
Embodiment 4
A kind of intrabone infusion device of the present invention, during Clinical practice, first according to puncture different adjustment depth stop valve 7, turn on over cap 1, intrabone infusion device is adjacent to site of puncture, press pressing plate 61, plectrum 64 slide downward and locating part 51 is dialled along slideway 52 to both sides from, after locating part 51 departs from the limit connector 53 be connected with combination type transfusion needle 3, the rotating spring 4 rotated by compression and connected combination type transfusion needle 3, limit connector 53 loses resistance, rotating spring 4 discharges elastic potential energy, rotation is launched, combination type transfusion needle 3 is driven to thrust in bone, now combination type transfusion needle 3 will enter in medullary cavity in a rotative pattern, until the limit value that arrival depth stop valve 7 presets.Subsequently, turned on setting of casing 22 by upper sleeve pipe 21, remove sleeve pipe, puncture needle core 31 is extracted, and setting of casing 22 is retained in puncture place as transfusion needle fixed pedestal, and hollow thread transfusion needle tail end can be infused after connecting tube for transfusion.Neonate and infant intraosseous infusion point of puncture are typically chosen in below tibial tubercle 1-2cm and insert intraosseous infusion needle, adult's point of puncture generally can select the positions such as breastbone, clavicle, proximal humerus, proximal tibia, anterior superior iliac spine, these positions mostly are spongy bone and are easy to puncture, and shallow, the easy identification of location tables touching.
More than show and describe ultimate principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; the knowledge described in above-described embodiment and description illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (8)
1. an intrabone infusion device, comprise sleeve pipe (2), sleeve pipe (2) is provided with hand holding handle (23), sleeve pipe (2) upper end is base (24), the inner chamber of sleeve pipe (2) accommodates the combination type transfusion needle (3) be socketed by puncture needle core (31), hollow transfusion needle (32), it is characterized in that: intrabone infusion device also comprises rotating spring (4), locking device and catapult-launching gear;
Base (24) is fixed in rotating spring (4) one end, and the other end is fixed on the limit connector (53) that is connected with puncture needle core tail end (311) top;
Locking device comprises " convex " font locating part (51), hold slideway (52) and limit connector (53) that locating part (51) slides, slideway (52) is arranged on hand holding handle (23) inner chamber middle slideway (52) and communicates with sleeve pipe (2) inside, limit connector is with projection outside (53), locating part (51) is stuck in the adjacent projection of limit connector (53), rotating spring (4) is by after rotary compression, and locating part (51) is stuck in the adjacent projection of limit connector (53);
Catapult-launching gear comprises pressing plate (61), pressing resistance spring (62), spacing resistance spring (63) and plectrum (64), pressing resistance spring (62) one end presses on base (24), and the other end is fixed on pressing plate (61); Plectrum (64) is fixed with pressing plate (61), is placed in sleeve pipe (2) inner chamber through base (24), and the unsettled one end of plectrum (64) tilts; Slideway (53) inside is provided with spacing resistance spring (63), compresses locating part (51).
2. according to the arbitrary intrabone infusion device described in claim 1, it is characterized in that, described intrabone infusion device also comprises adjustable depth stop valve (7), depth stop valve (7) is made up of actuator (71), baffle plate (72) and buckle (73), sleeve pipe (2) sidewall there is guide groove (25), it is inner that baffle plate is arranged at sleeve pipe (2), with external regulator filter (71) through guide groove (25) clamping, buckle (73) is connected with actuator (71), limit regulator position.
3. intrabone infusion device according to claim 2, is characterized in that, described sleeve pipe (2) is divided into sleeve pipe (21) and setting of casing (22) two parts, upper sleeve pipe (21) and setting of casing (22)
Removably connect, described hand holding handle (23) is arranged on sleeve pipe (21), and upper sleeve pipe (21) inside holds combination type transfusion needle (3) and rotating spring (4); Described guide groove (25) is arranged on setting of casing (22), and setting of casing (22) holds depth stop valve (7).
4., according to the arbitrary described intrabone infusion device of claims 1 to 3, it is characterized in that, described hollow transfusion needle head end (322) has external screw thread.
5., according to the arbitrary described intrabone infusion device of claims 1 to 3, it is characterized in that, there is scale mark on sleeve pipe (2) surface.
6. according to the arbitrary described intrabone infusion device of claims 1 to 3, it is characterized in that, described puncture needle core tail end (311) is internal spline structure, and hollow transfusion needle tail end (321) is external splines structure, and both are connected by inside and outside spline fitted.
7., according to the arbitrary described intrabone infusion device of claims 1 to 3, it is characterized in that, in described combination type transfusion needle (3), the more hollow transfusion needle head end (322) of puncture needle core head end (312) grows 3-5mm.
8., according to the arbitrary described intrabone infusion device of claims 1 to 3, it is characterized in that, intrabone infusion device also has over cap (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410264175.3A CN105268089B (en) | 2014-06-13 | 2014-06-13 | A kind of intrabone infusion device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410264175.3A CN105268089B (en) | 2014-06-13 | 2014-06-13 | A kind of intrabone infusion device |
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| CN105268089A true CN105268089A (en) | 2016-01-27 |
| CN105268089B CN105268089B (en) | 2018-07-13 |
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| CN201410264175.3A Expired - Fee Related CN105268089B (en) | 2014-06-13 | 2014-06-13 | A kind of intrabone infusion device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108325026A (en) * | 2018-03-21 | 2018-07-27 | 中国人民解放军第四军医大学 | Anesthesia syringe with injection needle defencive function |
| CN110652347A (en) * | 2019-08-21 | 2020-01-07 | 南昌大学第一附属医院 | Electric intraosseous infusion system |
| CN113317849A (en) * | 2021-04-22 | 2021-08-31 | 卫飞 | Bone puncture needle emitter |
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| CN108325026B (en) * | 2018-03-21 | 2021-04-02 | 中国人民解放军第四军医大学 | Anesthetic syringe with injection needle protection function |
| CN110652347A (en) * | 2019-08-21 | 2020-01-07 | 南昌大学第一附属医院 | Electric intraosseous infusion system |
| CN110652347B (en) * | 2019-08-21 | 2021-01-01 | 南昌大学第一附属医院 | Electric intraosseous infusion system |
| CN113317849A (en) * | 2021-04-22 | 2021-08-31 | 卫飞 | Bone puncture needle emitter |
| CN113317849B (en) * | 2021-04-22 | 2022-09-27 | 卫飞 | Bone puncture needle emitter |
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