CN105214203B - A kind of portable intrabone infusion device - Google Patents
A kind of portable intrabone infusion device Download PDFInfo
- Publication number
- CN105214203B CN105214203B CN201410264584.3A CN201410264584A CN105214203B CN 105214203 B CN105214203 B CN 105214203B CN 201410264584 A CN201410264584 A CN 201410264584A CN 105214203 B CN105214203 B CN 105214203B
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- casing
- portable
- needle
- infusion device
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Abstract
The present invention relates to the field of medical instrument technology, disclose a kind of portable intrabone infusion device for quickly establishing liquid resuscitation channel when promptly rescue, including casing, casing is equipped with hand holding handle, sleeve upper end is pedestal, and the inner cavity of casing is accommodated by the combined type transfusion needle of puncture needle core, the socket of hollow transfusion needle, and casing is interior to be equipped with torsional spring, pedestal is fixed in torsional spring one end, and the other end is fixed on the limit connector being connected with puncture needle core tail end top；Hand holding handle has through-hole, through-hole to be communicated with cannula cavity, and limit connector surface has card hole, locating part to pass through through-hole, by the displacement for injecting the limit connector that card hole limitation is connect after rotary compression with torsional spring in limit connector.It is rotation ejection mode that the present invention, which changes original impact type inserting needle mode, small to site of puncture impact energy, does not easily cause fracture；Intraosseous infusion needle end presets screw thread simultaneously, reduces needle puncture sites sepage of being infused, generation phenomena such as transfusion needle slips.
Description
Technical field
It is specifically a kind of logical for quickly establishing liquid resuscitation when promptly rescue the present invention relates to the field of medical instrument technology
The portable intrabone infusion device in road.
Background technology
When clinically promptly being rescued used liquid resuscitation or input drug approach mainly have vein, artery and
Three kinds of modes in bone, wherein intraosseous infusion are mainly used for the rescue that the state of emergency is heavy patient, such as respiratoring palpitating suddenly stopping, serious wound
Hinder the patients such as haemorrhagic shock, severe dehydration, infant's serious dehydration, this kind of patient leads to vein due to liquid of largely losing blood
It collapses and can not quickly and efficiently establish blood vessel first aid channel；In addition, Severe edema, serious burn, life-threatening epilepsy
In the case of the operating difficulties such as the ambulance or helicopter, dim light that break out, shake, intraosseous infusion has easy to operate, fast
Fast effectively advantage can set up infusion channel in time, and application salvage drug is even transfused blood plasma, concentration haemocyte etc., is
It gives emergency treatment to a patient and wins the quality time.
Currently, having applied to clinical portable intrabone infusion device mostly uses impact type inserting needle mode.In for example,
State's patent publication No. is " CN102198298A ", application number " 201110043455.8 ", entitled " infusion first aid fills in ossis
Set " a kind of infusion survival kit in marrow cavity of disclosure of the invention, including pedestal, puncture needle, the main cylinder of ejection, catapult-launching gear, core
Axis, upper cover and back handle, catapult-launching gear, which is located at, to be launched in main cylinder, and catapult-launching gear includes thrust spring, thrust axis, steel ball lock construction,
Thrust axis is solid, and lower part has a shrinkage pool, built-in magnetic connector, thrust axis to be connect by magnetic connector with puncture needle,
Thrust axis top has a pit, the lower part of mandrel that can be placed in the shrinkage pool on thrust axis top.The invention passes through spring mechanical power
The method that intraosseous infusion needle penetrates in marrow is solved the problems, such as quickly to establish infusion channel, it is easy to use, quick, but this
Kind device be easy to cause the problems such as site of puncture severe pain, site of puncture fracture or even transfusion needle fracture in practice,
And transfusion needle is engaged not close phenomena such as causing sepage and transfusion needle slide, deviate from sclerotin interface, can cause when serious
The severe complications such as osteofascial compartment syndrome.
China Patent Publication No. is " CN201073504Y ", application No. is " 200720026875.4 ", entitled " portable
The utility model of intrabone infusion device " also discloses that a kind of portable intrabone infusion device, including puncture needle and handle, puncture needle pass through
Pillow part is connected and fixed with interface on handle, and puncture needle is made of needle tubing and needle core, and needle tubing outer wall is equipped with screw thread.The practicality
It is novel to solve the problems, such as that transfusion needle easily slides, deviates from, but since transfusion needle is still impact mode, site of puncture bone
Folding is more easy to occur, and helicitic texture cannot be made to reach preferably effect.
It is defeated in a kind of portable bone that can be prevented site of puncture from fracturing while prevent transfusion needle sliding, abjection of urgent clinical needs
Liquid device.
Invention content
It is an object of the invention to overcome the deficiencies of the prior art and provide it is a kind of it is simple and practical, puncture portion can not only be prevented
Position fracture while the portable intrabone infusion device for avoiding transfusion needle from slipping.
Technical solution of the present invention is as follows：
A kind of portable intrabone infusion device, including casing, casing are equipped with hand holding handle, and sleeve upper end is pedestal, casing
Inner cavity is accommodated by the combined type transfusion needle of puncture needle core, the socket of hollow transfusion needle, and casing is interior to be equipped with torsional spring, torsional spring
Pedestal is fixed in one end, and the other end is fixed on the limit connector being connected with puncture needle core tail end top；Hand holding handle has through-hole,
Through-hole is communicated with cannula cavity, and limit connector surface has card hole, locating part to pass through through-hole, is blocked by injecting in limit connector
The displacement for the limit connector that hole limitation is connect after rotary compression with torsional spring.
Torsional spring original state is that compression is reversed, and is limited to torsional spring by locking device, locking device is
The combination of locating part, limit connector and through-hole.Through-hole penetrates through hand holding handle, and limit connector has card hole, locating part to pass through through-hole,
By the displacement for injecting the limit connector that the limitation of limit connector inner via hole is connect after rotary compression with torsional spring.As long as
Extract locating part therein out outward from through-hole, spring can discharge, and the pop-up of combined type transfusion needle is driven to realize puncture needle rotation
The effect of puncture, prevents site of puncture from fracturing.After puncturing successfully, pulls open and be sleeved on external puncture needle core, it can be to hollow transfusion needle
Carry out transfusion operation.Through-hole is used to limit the degree of freedom of locating part, and the shape of the through-hole is depending on locating part shape, mainly
It is movable within to accommodate locating part.
The torsional spring is torsional spring, can not only store the elastic potential energy of trimming generation on the whole, but also can be stored
The elastic potential energy that torsional deflection generates.Torsional spring is commercially available to be placed in Shanghai China Spring Manufacturing Co., Ltd.
The locating part can be key, then limit connector through-hole is square hole or oblong aperture, and through-hole is square through hole or length
Fang Tongkong.The preferred locating part is pin, then limit connector through-hole is circular hole, and through-hole is also round tube hole.Casing both sides
Hand holding handle can have the through-hole of perforation, then locating part is then passed through the other side after passing through a side through hole to be inserted into limit connector through-hole
Through-hole；Casing both sides hand holding handle can also only have the through-hole that there is perforation in side, convenient for being locked.
Preferably, the limit connector is cylindricality block, and card hole is located at the side week of cylindricality limit connector.
Preferably, further include the deep valve of adjustable limit on the portable intrabone infusion device, limit deep valve by adjuster, gear
Plate and buckle form, and have guide groove, baffle plate setting to be clamped across guide groove in inside pipe casing, with external regulator filter on sleeve side walls, card
Button is connect with adjuster, limit regulator position.The deep valve of limit is mainly used for limiting lancet puncture depth in advance, limits the knot of deep valve
Structure uses the design of similar cutter handle of a knife sliding groove.The clamping of adjuster and baffle is detachably in order to can be with after puncturing successfully
Baffle is dismantled with puncture needle core easy to disassemble.
Preferably, the casing is divided into casing and setting of casing two parts, and upper casing and setting of casing are detachably connected,
The hand holding handle is arranged on upper casing, and upper inside pipe casing accommodates combined type transfusion needle and torsional spring；The guide groove is set
It sets on setting of casing, setting of casing accommodates the deep valve of limit.After casing is divided into two sections, the deep valve of limit, which can be made, not to be dismantled, more firm, is punctured
After succeeding, combined type transfusion needle is dismantled for being detached from upper and lower casing excessively；Meanwhile the setting of casing of disengaging also has auxiliary solid
Determine the effect of transfusion needle.
Preferably, the hollow transfusion needle head end has external screw thread.The external screw thread of hollow transfusion needle head end, which may make, to be worn
Hollow transfusion needle more consolidates not easily to fall off after piercing successfully.
Preferably, sleeve surface has scale mark for different sites of puncture.
Connection relation between the puncture needle core tail end and transfusion needle tail end can use the common connection type such as screw thread.It is excellent
Choosing, the puncture needle core tail end is internal spline structure, and hollow transfusion needle tail end is external splines structure, and the two passes through inside and outside flower
Key is connected.It is that helicitic texture is avoided to make due to coaxial rotating in piercing process using the purpose of inside and outside spline structure
At being engaged between transfusion needle and puncture needle too closely, so as to cause transfusion needle and puncture needle separation difficulty.
Preferably, the more hollow transfusion needle head end of puncture needle core head end grows 3-5mm in the combined type transfusion needle, with profit
Skin and subcutaneous tissue are punctured until bone face in puncture needle head end.
Preferably, portable intrabone infusion device also has protection cap to play the role of preventing pollution.
The puncture needle core of the present invention, which is socketed in hollow transfusion needle, is placed in inside pipe casing, and torsional spring one end is fixed on casing
Pedestal, the other end are fixed on the limit connector being connect with combined type transfusion needle.The original state of torsional spring is maximum revolves
Turn compression shape, while storing the torsional spring of trimming and distortion generation.Locating part sticks into limit connector by through-hole, when detaching
When locating part, the compression rotation potential energy of torsional spring release deposit launches transfusion needle in a rotative pattern.The present invention changes original punching
Formula inserting needle mode is hit, it is small to site of puncture impact energy, do not easily cause fracture；Casing tube-separating type design be not only advantageous to puncture at
The dismounting of work(combined type transfusion needle, while setting of casing also can be as the fixed component for subsequently stablizing hollow transfusion needle；Intraosseous infusion
Needle end presets screw thread, reduces needle puncture sites sepage of being infused, generation phenomena such as transfusion needle slips.Due in portable bone
Infusion apparatus is that rotation is advanced, and hollow transfusion needle is easy to form threaded engagement with sclerotin interface cut during traveling, therefore can
Threaded engagement is set to play preferable effect while reducing site of puncture impact energy to reach.
The invention has the advantages that preventing site of puncture fracture, infusion needle puncture sites sepage from slipping, make intraosseous infusion
It is more safe and reliable, while convenient and simple for operation, effect stability.
Description of the drawings
Fig. 1 is the schematic diagram of hollow transfusion needle；
Fig. 2 is A-A sectional views in hollow transfusion needle；
Fig. 3 is the schematic diagram of puncture needle core；
Fig. 4 is B-B sectional views in puncture needle core；
Fig. 5 is the schematic diagram of combined type intraosseous infusion needle；
Fig. 6 is the whole sectional view of the present invention；
Fig. 7 is the structural schematic diagram of casing of the present invention；
Wherein：
1- protection caps；2- casings；The upper casings of 21-；
22- setting of casings；23- hand holding handles；24- pedestals；
25- guide grooves；3- combined type transfusion needle 31- puncture needle cores；
The hollow transfusion needles of 311- puncture needle core tail end 312- puncture needle core head end 32-；
The hollow transfusion needle head end 4- torsional springs of the hollow transfusion needle tail end 322- of 321-；
51- locating parts；52- through-holes；53- limit connectors；
71- adjuster 72- baffles；73- is buckled.
Specific implementation mode
The utility model is described in further detail with reference to embodiment and attached drawing, but the implementation of the present invention not only limits
In this.
Embodiment 1
A kind of portable intrabone infusion device as shown in FIG. 6, by protection cap 1, casing 2, combined type transfusion needle 3, rotating missile
Spring 4, locking device composition.Casing 2 is plastic material, inside there is cavity, is mainly used for accommodating torsional spring 4 and combined type transfusion needle
3.Casing 2 is opening in transfusion needle outlet side, and the other side is pedestal 24, and opening has protection cap 1, the effect of protection cap 1 to be
Wait for that the used time protects internal structure not contaminated in portable intrabone infusion device.Casing 2 is equipped with hand holding handle 23, to be clamped.
As shown in Fig. 1~5, combined type transfusion needle 3 is made of puncture needle core 31 and hollow transfusion needle 32, is all made of medical height
Strength alloy material is made, and puncture needle core 31 is solid design, and the top of puncture needle core tail end 311 is that groove is used to connect, and is worn
Pricker core print end 312 is at cone-shaped；Hollow transfusion needle head end 322 presets screw thread, can cut New bone formation during screw-in
Screw thread is closely engaged, and is greatly enhanced resistance to plucking and is gone out performance, and the generation of anti-impervious liquid.The needle core of puncture needle core 31 partially passes through sky
The hollow needle tubing of heart transfusion needle 32, and the shell of puncture needle core 31 is socketed in the outside of hollow transfusion needle 32, penetration phase passes through
Combined type transfusion needle 3 is pierced into bone by the puncture needle core 31 with needle point, has screw thread knot on the needle tubing tail end of hollow transfusion needle 32
Structure can be connect with woven hose puncture successfully after, pass through and be detached from puncture needle core, complete infusion to hollow transfusion needle 32.
Torsional spring 4 is the critical piece for completing rotation ejection, and the torsional spring 4 belongs to torsionspring, can be simultaneously
Trimming and distortion are generated, rotary compression storage elastic potential energy is passed through.Torsional spring 4 is arranged in pairs or groups with locking device, and locking device is by limiting
Position part 51, through-hole 52 and limit connector 53 form.Torsional spring 4, the other side and puncture needle core are fixed in limit connector side
The upper grooves of tail end 311 connect.Through-hole 52 penetrates through hand holding handle 23 and is communicated with 2 inner cavity of casing, and locating part 51 is pin, be can be inserted into
In circular through-hole 52, limit connector 53 is columnar member, and one bottom surface of columnar member is connected to the groove of puncture needle core tail end 311
Interior, another bottom surface is welded with torsional spring, and the side week of columnar member is equipped with card hole, sells and can be inserted into card hole.Locating part 51 passes through
After through-hole 52 limit connector being connect with torsional spring 4 after rotary compression is limited by being inserted into the card hole of limit connector 53
3 displacement.By extracting locating part 51 out from the hand holding handle 23 of opening, limit connector 53 loses resistance, makes torsional spring 4
Ejection.4 one end of torsional spring is fixed on pedestal 24, and the other end is fixed on limit connector 53.
Embodiment 2
A kind of portable intrabone infusion device, remaining is tube-separating type with embodiment 1, the casing 2, is divided into 21 He of casing
Setting of casing 22, two casings are connected through a screw thread, and hand holding handle 23,3 He of inner containment combined type transfusion needle are provided on upper casing 21
Torsional spring 4.Setting of casing 22 is equipped with guide groove 25, also sets up limited deep valve, limits deep valve mainly by adjuster 71, baffle 72 and card
73 composition of button.Mainly according to the operation principle of cutter handle of a knife, external adjuster 71 passes through the deep valve of limit with internal baffle 72
Guide groove 25 connects, and by the position of 71 controllable register 72 of movement governor, buckle 73 adjusts machine 71 can be certainly in closed state
By moving, then secured adjusted device 71 and baffle 72 in the case where pulling open.Setting of casing 22 is also used as surely after puncturing successfully
The fixing piece of fixed hollow transfusion needle 32 uses.
Embodiment 3
A kind of portable intrabone infusion device, remaining has internal spline, hollow infusion with embodiment 1 on puncture needle core tail end 311
Pipe tail end 321 has external splines, the two mutual riveted to fall off with puncture needle core 31 when preventing hollow transfusion needle 32 from piercing sclerotin.Set
It is carved with label in 2 surface of pipe.When puncture needle core 31 is combined with hollow woven hose 32,312 more hollow infusion niidl of puncture needle core head end
End 322 grows 4mm, and to puncture skin and soft tissue when puncturing up to bone face, and it is defeated to be pierced in cancellous bone as drill bit
Liquid needle establishes bone internal channel, while soft tissue can be prevented to be embedded in transfusion needle, pin hole is caused to block.
Embodiment 4
A kind of portable intrabone infusion device of the present invention when Clinical practice, first according to the deep valve of different adjustment limit is punctured, is twisted
Protection cap 1 is opened, portable intrabone infusion device is adjacent to site of puncture, locating part is extracted out outward from the through-hole 52 of hand holding handle 23
51, after locating part 51 is extracted out out of limit connector 53 card hole, by the torsional spring 4 of compression rotation and connected to it group
Box-like transfusion needle 3, limit connector 53 lose resistance, and torsional spring 4 discharges elastic potential energy, and rotation ejection drives combined type defeated
Liquid needle 3 is pierced into bone, and combined type transfusion needle 3 will enter in ossis in a rotative pattern at this time, is set in advance until reaching the deep valve of limit
Fixed limit value.Then, upper casing 21 and setting of casing 22 are unscrewed, casing in removal, puncture needle core 31 is extracted, and setting of casing 22 is made
It is retained at puncture for transfusion needle fixed pedestal, can be infused after hollow thread transfusion needle tail end connection woven hose.Newborn and
Infant's intraosseous infusion point of puncture is typically chosen in tibial tubercle or less 1-2cm merging intraosseous infusion needles, adult's point of puncture one
As positions, these positions such as breastbone, clavicle, proximal humerus, proximal tibia, anterior superior spine may be selected is mostly that cancellous bone is easy to wear
Thorn, and position table is shallow, is easy to recognize and touch.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, knowledge described in the above embodiment and specification illustrates this
The principle of invention, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent defines.
Claims (10)
1. a kind of portable intrabone infusion device, including casing (2), casing (2) is equipped with hand holding handle (23), and casing (2) upper end is
The inner cavity of pedestal (24), casing (2) is accommodated by the combined type transfusion needle of puncture needle core (31), hollow transfusion needle (32) socket
(3), which is characterized in that torsional spring (4) is equipped in casing (2), pedestal (24), the other end are fixed in torsional spring (4) one end
It is fixed on the limit connector (53) being connected with puncture needle core tail end (311) top；Hand holding handle (23) has through-hole (52), through-hole
(52) it is communicated with casing (2) inner cavity, limit connector (53) surface has card hole, locating part (51) to pass through through-hole (52), by inserting
The position for the limit connector (53) being connect into limit connector (53) interior card hole limitation with torsional spring (4) after rotary compression
It moves；Through-hole (52) is used to limit the degree of freedom of locating part (51), the shape of the through-hole (52) according to locating part (51) shape and
It is fixed.
2. portable intrabone infusion device according to claim 1, which is characterized in that the locating part (51) is pin.
3. portable intrabone infusion device according to claim 1, which is characterized in that the limit connector (53) is column
Shape block, card hole are located at the side week of cylindricality limit connector (53).
4. according to the portable intrabone infusion device described in claim 1, which is characterized in that the portable intrabone infusion device
On further include the deep valve of adjustable limit, limit deep valve by adjuster (71), baffle (72) and buckle (73) and form, casing (2) side wall
On have a guide groove (25), baffle plate setting is internal in casing (2), passes through guide groove (25) to be clamped with external regulator filter (71), buckle (73)
It is connect with adjuster (71), limit regulator position.
5. portable intrabone infusion device according to claim 4, which is characterized in that the casing (2) is divided into casing
(21) and setting of casing (22) two parts, upper casing (21) and setting of casing (22) are detachably connected, and the hand holding handle (23) is set
It sets on upper casing (21), upper casing (21) inner containment combined type transfusion needle (3) and torsional spring (4)；The guide groove
(25) it is arranged on setting of casing (22), setting of casing (22) accommodates the deep valve of limit.
6. according to any portable intrabone infusion device of Claims 1 to 5, which is characterized in that the hollow transfusion needle
Head end (322) has external screw thread.
7. according to any portable intrabone infusion device of Claims 1 to 5, which is characterized in that there is scale on casing (2) surface
Label.
8. according to any portable intrabone infusion device of Claims 1 to 5, which is characterized in that the puncture needle core tail
It is internal spline structure to hold (311), and hollow transfusion needle tail end (321) is external splines structure, and the two is connected by inside and outside spline fitted.
9. according to any portable intrabone infusion device of Claims 1 to 5, which is characterized in that the combined type infusion
The more hollow transfusion needle head end (322) of puncture needle core head end (312) grows 3-5mm in needle (3).
10. according to any portable intrabone infusion device of Claims 1 to 5, which is characterized in that portable intrabone infusion device
Also protection cap (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410264584.3A CN105214203B (en) | 2014-06-13 | 2014-06-13 | A kind of portable intrabone infusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410264584.3A CN105214203B (en) | 2014-06-13 | 2014-06-13 | A kind of portable intrabone infusion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105214203A CN105214203A (en) | 2016-01-06 |
| CN105214203B true CN105214203B (en) | 2018-09-18 |
Family
ID=54983694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410264584.3A Expired - Fee Related CN105214203B (en) | 2014-06-13 | 2014-06-13 | A kind of portable intrabone infusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105214203B (en) |
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| CN203989437U (en) * | 2014-06-13 | 2014-12-10 | 中国人民解放军第二军医大学 | A kind of portable intrabone infusion device |
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Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1780652A (en) * | 2003-03-03 | 2006-05-31 | Dca设计国际有限公司 | Drive mechanish for drug delivery devices. |
| CN1913833A (en) * | 2004-01-26 | 2007-02-14 | 维达保健公司 | Manual interosseous device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105214203A (en) | 2016-01-06 |
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Granted publication date: 20180918 |