CN105055012A - Bone cement stirring injector - Google Patents
Bone cement stirring injector Download PDFInfo
- Publication number
- CN105055012A CN105055012A CN201510497012.4A CN201510497012A CN105055012A CN 105055012 A CN105055012 A CN 105055012A CN 201510497012 A CN201510497012 A CN 201510497012A CN 105055012 A CN105055012 A CN 105055012A
- Authority
- CN
- China
- Prior art keywords
- injection
- premix
- stirring
- head
- bone cement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8802—Equipment for handling bone cement or other fluid fillers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8802—Equipment for handling bone cement or other fluid fillers
- A61B17/8805—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/50—Movable or transportable mixing devices or plants
- B01F33/501—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use
- B01F33/5011—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use portable during use, e.g. hand-held
- B01F33/50112—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use portable during use, e.g. hand-held of the syringe or cartridge type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/836—Mixing plants; Combinations of mixers combining mixing with other treatments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/20—Mixing of ingredients for bone cement
Abstract
The invention relates to a bone cement stirring injector. The bone cement stirring injector comprises a premixing barrel, a push injection device, an injection head and a stirring device. A premixing cavity is formed in the premixing barrel. A first opening communicated with the premixing cavity is formed in the first end of the premixing barrel, and a second opening communicated with the premixing cavity is formed in the second end of the premixing barrel. The push injection device comprises a push injection rod. The first end of the push injection rod is arranged in the premixing barrel and extends into the premixing cavity through the second opening. The injection head comprises an injection cover and an injection nozzle which are connected. An injection hole is formed in the injection nozzle, and an injection through hole communicated with the injection hole is formed in the injection cover. The stirring device comprises a stirring cover, a stirring shaft and a stirring head. The stirring shaft is installed on the stirring cover in a rotary mode, and the stirring head is connected to one end of the stirring shaft. When the stirring cover is installed at the first opening of the premixing barrel, the stirring head extends into the premixing cavity through the first opening; when the injection cover is installed at the first opening of the premixing barrel, the injection hole is communicated with the premixing cavity. Use is convenient, and the operation linkage is good.
Description
Technical field
The invention belongs to medical instruments field, be specifically related to a kind of bone cement stirring syringe.
Background technology
In vertebroplasty, need to vertebra perfusion in vivo bone cement, filled the medical skill in sutura and space by bone cement multiple abscess, the effect of firm vertebral body can be played.Existing method first pours bone cement powder into agitator that one is similar to bowl, (or other liquid) stirring that adds water forms bone cement, after being stirred bone cement, bone cement is poured in syringe from agitator, use syringe to be injected in human body by bone cement.Be made with very large drawback like this, due to the viscosity characteristics of bone cement itself, by bone cement, the process beaten into from agitator in syringe takes time and effort, and the contaminated risk of bone cement increases.In addition, will solidify through the regular hour after bone cement stirring is good, often cause doctor just to there occurs solidification phenomenon not being injected in vivo by bone cement completely, affect surgical effect.
Summary of the invention
The invention reside in the defect overcoming prior art, provide a kind of bone cement stirring syringe, possess the function of stirring, injection bone cement, easy to use, operation connecting is good simultaneously.
Its technical scheme is as follows:
A kind of bone cement stirring syringe, comprising: both premix barrel, both premix barrel is provided with premix chamber, and both premix barrel first end is provided with the first opening be communicated with premix chamber, and the second end of described both premix barrel is provided with the second opening be communicated with premix chamber; Infusing device, infusing device comprises injects bar, and the first end of injecting bar is located in both premix barrel, and stretches into premix intracavity by the second opening; Injection head, injection head comprises the injection lid and injection nozzle that are connected, and injection nozzle is provided with injection orifice, and injection covers the injection through hole being provided with and being communicated with injection orifice; Agitating device, comprises mixing cover, shaft and stirring-head, and shaft is installed on mixing cover rotationally, and stirring-head is connected to one end of shaft; Wherein, when mixing cover is installed on the first opening part of both premix barrel, stirring-head stretches into premix intracavity by the first opening; When injecting lid and being installed on the first opening part of both premix barrel, injection orifice is communicated with premix chamber.
A kind of bone cement stirring syringe, comprising: both premix barrel, both premix barrel is provided with premix chamber, and the first end of both premix barrel is provided with the first opening be communicated with premix chamber, and both premix barrel second end is provided with the second opening be communicated with premix chamber; Injection head, is provided with injection orifice in injection head, and injection head is installed on the first opening part, and injection orifice is communicated with premix chamber; Agitating device, comprises mixing cover and stirring-head, and described stirring-head is installed on described mixing cover; Infusing device, infusing device comprises injects lid and injects bar, injects bar and is installed on to inject and covers; Wherein, when mixing cover is installed on the second end of both premix barrel, stirring-head stretches into premix intracavity by the second opening; When injecting lid and being installed on the second end of both premix barrel, the first end of injecting bar stretches into premix intracavity by the second opening.
Wherein in an embodiment, described shaft is provided with gear, and described mixing cover is also provided with moveable tooth bar, described tooth bar and described gears meshing.
Wherein in an embodiment, described agitating device also includes the mixing drum of hollow, and the inwall of described mixing drum is provided with helicla flute, and described shaft is installed in described mixing drum, the side of described shaft is provided with projection, and described projection is installed in described helicla flute.
Wherein in an embodiment, the second end of described both premix barrel is provided with the spacing hole be communicated with premix chamber, described in inject bar through described spacing hole, described in inject on the outer wall of bar and the inwall of described spacing hole and be respectively equipped with the screw thread matched.
Wherein in an embodiment, described first end of injecting bar is provided with injects head, described head of injecting head forward, towards described premix chamber, described afterbody of injecting head backward, and described in inject the afterbody of head or sidewall is provided with at least two retaining arms, described retaining arm is to described back sweep of injecting the outside of a side.
Wherein in an embodiment, described infusing device also includes and injects lid, described in inject lid and be installed on the second opening part of described both premix barrel; Wherein, described in inject lid diapire be provided with pusher through hole, described in inject bar the second end stretch out through described pusher through hole described in inject outside lid; Or, described in inject in lid and be provided with axial slideway, described in inject bar side be provided with protruding slide block, be installed in described slideway described skid.
Wherein in an embodiment, described stirring-head includes stirring main body, and described stirring main body is installed on described shaft, and described stirring-head also includes at least one mixing arm, the first end of described mixing arm is connected with stirring main body, and the second end of described mixing arm is free end; Or described stirring-head also includes at least one paddle, described paddle is installed on the side of described stirring main body, and described paddle is provided with poke hole.
Wherein in an embodiment, described paddle is spaced at least two, and the poke hole radius of one of them paddle is greater than the poke hole radius of another paddle.
Wherein in an embodiment, injection head comprises the injection lid and injection nozzle that are connected, and injection nozzle is provided with described injection orifice, and injection covers the injection through hole being provided with and being communicated with described injection orifice, and injection lid is installed on the first opening part of both premix barrel.
Beneficial effect of the present invention is:
After the premix intracavity of both premix barrel is stirred bone cement, agitating device is unloaded from both premix barrel, injection head is arranged in both premix barrel, use infusing device to be injected in human body from the injection canal injection head by bone cement.Bone cement is not needed to pour out from premix intracavity, easy to operate, can operating time be shortened, reduce the contaminated risk of bone cement, and shortening from being stirred bone cement to the time be injected to by bone cement in human body, preventing bone cement from just solidifying and affecting surgical effect before being injected into human body.
Accompanying drawing explanation
Fig. 1 is the local structural graph of the embodiment of the present invention one;
Fig. 2 is the local structural graph of the embodiment of the present invention one
Fig. 3 is the structure chart of agitating device in the embodiment of the present invention one;
Fig. 4 is the structure chart of stirring-head in the embodiment of the present invention one;
Fig. 5 is the sectional view that the embodiment of the present invention one agitating device is installed on both premix barrel;
Fig. 6 is the structure chart of injection head in the embodiment of the present invention one;
Fig. 7 is the structure chart that the embodiment of the present invention one injection head is installed on both premix barrel;
Fig. 8 is the sectional view that the embodiment of the present invention one injection head is installed on both premix barrel;
Fig. 9 is the structure chart of injecting head in the embodiment of the present invention one;
Figure 10 is the structure chart of agitating device in the embodiment of the present invention two;
Figure 11 is the structure chart of agitating device in the embodiment of the present invention two;
Figure 12 is the structure chart of both premix barrel in the embodiment of the present invention four;
Figure 13 is the structure chart of infusing device in the embodiment of the present invention four;
Figure 14 is the structure chart of injecting plate and push rod in the embodiment of the present invention four;
Figure 15 is the structure chart of baffle plate in the embodiment of the present invention four;
Figure 16 is the partial sectional view of the embodiment of the present invention four;
Figure 17 is the cross section view of the embodiment of the present invention four middle sleeve;
Figure 18 is the sectional view that the embodiment of the present invention four agitating device is installed on both premix barrel;
Figure 19 is the sectional view that the embodiment of the present invention four injection head is installed on both premix barrel.
Description of reference numerals:
100, both premix barrel, 110, premix chamber, 120, first opening, 130, supported hole, 140, pushing tow hole, 210, injection lid, 220, injection tube, 221, injection canal, 230, injection nozzle, 231, injection orifice, 300, inject lid, 310, pusher through hole, 320, limiting stand, 330, chute, 340, rotation slot, 350, baffle plate, 351, pushing part, 352, screens is installed, 353, strengthen platform, 354, buckle recessed, 360, base plate, 370, sleeve, 410, inject bar, 411, inject head, 4111, retaining arm, 412, hands handle, 420, inject plate, 421, push rod, 422, buckle convex, 423, inject passage, 424, inject hole, 425, bolus tube, 430, slide block, 440, 3rd spring, 510, stirring-head, 511, stir main body, 512, paddle, 520, shaft, 521, projection, 522, gear, 530, mixing cover, 531, first spring, 540, mixing drum, 541, helicla flute, 542, second spring, 550, tooth bar.
Detailed description of the invention
Below the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment one
Bone cement injector comprises both premix barrel, injection head, agitating device, infusing device.
As shown in Figure 1, 2, both premix barrel 100 is provided with premix chamber 110, and both premix barrel 100 first end is provided with the first opening 120 be communicated with premix chamber 110, and the second end of both premix barrel is provided with the spacing hole be communicated with premix chamber 110.Infusing device comprise inject lid 300, inject bar 410, bolus tube 425.Bolus tube 425 is provided with injects passage 423, and the first end of bolus tube 425 is provided with injects plate 420, injects plate 420 and is provided with and injects hole 424, injects hole 424 and injects passage 423 and be communicated with.The first end of injecting bar 410 is provided with injects 411, and second end of injecting bar 410 is provided with handle 412, injects 411 and is sheathed on and injects outside bar 410.Injecting 411 can be that the material different from injecting bar 410 is made, and generally adopts that quality is softer, the material of good airproof performance, such as rubber, silica gel etc.The diapire of injecting lid 300 is provided with pusher through hole 310, and the diapire of injecting lid is provided with protruding limiting stand 320 towards the one side of injecting plate 420, and limiting stand 320 is provided with the limiting through hole be communicated with pusher through hole 310.Pusher through hole 310 is equipped with screw thread with the inwall of limiting through hole, matches, and the sidewall of injecting bar 410 is also provided with screw thread.Inject the second end that lid 300 is covered on both premix barrel 100, bolus tube 425 is installed in spacing hole slidably, injects plate 420 and is arranged in premix chamber 110.The profile of injecting plate 420 matches with the inner wall shape in premix chamber 110, also includes sealing ring, and the edge of injecting plate 420 has groove, and sealing ring is located in groove.Sealing ring seals for the carrying out of injecting when plate 420 moves in premix chamber 110, effectively can push bone cement.Inject bar 410 to be installed on and to inject in passage 423, the end face of injecting the head of 411 is concordant with the end face of injecting plate 420.
Injecting lid 300 is sheathed on outside both premix barrel 100, second end of bolus tube 425 is against the diapire of injecting lid 300, and the second end of bolus tube 425 is set in outside limiting stand 320, second end of injecting bar 410 stretches out through limiting through hole and pusher through hole 310 injects outside lid 300, and handle 412 is positioned at injects outside lid 300.
As shown in Fig. 3 to 5, agitating device comprises the mixing drum 540 of mixing cover 530, shaft 520, stirring-head 510, hollow, shaft 520 is installed on mixing cover 530 rotationally, the first spring 531 is provided with as buffering between shaft 520 and mixing cover 530, stirring-head 510 includes and stirs main body 511 and at least one paddle 512, stir the first end that main body 511 is installed on shaft 520, paddle 512 is flattened installed on the side of stirring main body 511, paddle 512 is provided with poke hole, and the side of paddle 512 forms " C " font.Six paddles 512 are set in the present embodiment, six paddles 512 are divided into two groups, two groups of paddle 512 transpostion intervals are arranged, and wherein the maximum stirring radius of one group of paddle 512 is less than the maximum stirring radius of another group paddle 512, is beneficial to and better stirs bone cement.(form of stirring-head 510 is not limited thereto, and also can be that stirring-head 510 includes stirring main body 511 and at least one mixing arm, the first end of mixing arm be connected with stirring main body 511, and the second end of mixing arm is free end.) inwall of mixing drum 540 is provided with helicla flute 541, the second end of shaft 520 is installed in mixing drum 540, and the side of shaft 520 second end is provided with two relative projection 521, two projections 521 and is arranged in helicla flute 541.The second spring 542 is provided with between shaft 520 and mixing drum 540, axis direction along shaft 520 moves mixing drum 540, being coordinated by helicla flute 541 and projection 521 drives stirring-head 510 to rotate, bone cement is stirred, easy to operate, second spring 542 make mixing drum 540 can automatic rebounding to top, be convenient to from the top down with defeating mixing drum 540, stirring efficiency is high.Mixing cover 530 can be installed on the first end of both premix barrel 0, and the two is fixed (being not limited thereto, also can be other buckle structures, such as embossed card buckle structure) by screw thread.When mixing cover 530 is installed on the first end of both premix barrel 100, stirring-head 510 stretches into premix chamber 110 from the first opening 120, stirs the bone cement in premix chamber 110.Bone cement stirs in the premix chamber 110 of sealing, and decreasing pollution, avoids the bad smell of bone cement excessive.
As shown in Fig. 6 to 8, injection head comprises the injection lid 210, injection tube 220, the injection nozzle 230 that connect successively, injection lid 210 is provided with injection through hole, injection tube 220 is provided with injection canal 221, injection nozzle 230 is provided with injection orifice 231, and injection through hole, injection canal 221, injection orifice 231 are communicated with successively.Injection lid 210 can be covered on the first end of both premix barrel 100, and the two is fixed (being not limited thereto, also can be other buckle structures, such as embossed card buckle structure) by screw thread.When injecting lid 210 and being installed on the first end of both premix barrel 100, injection canal 221 is communicated with premix chamber 110, and the cross section of injection canal 221 is less than the cross section in premix chamber 110, makes bone cement obtain higher injection pressure, is beneficial to bone cement and is injected in human body.
Inject the screw thread (also can be other buckle structures) inwall of lid 300 and the outer wall of both premix barrel 100 being respectively equipped with and matching.When lid 300 is injected in rotation, injecting under the threaded function in lid 300 and both premix barrel 100, inject lid 300 to move axially by the spiral of screw thread, rotate forward when injecting lid 300, the diapire pushing tow bolus tube 425 of injecting lid moves to the first end direction of both premix barrel 100, inject plate 420 to move together with injecting 411, inject plate 420 and inject 411 and jointly bone cement is squeezed from premix chamber 110 and push in injection canal 221.When injecting plate 420 and withstanding injection lid 210, can not move, now bone cement all enters in injection canal 221 again.Now, rotate the handle 412 of injecting bar 410 to drive and inject bar 410 and rotate, injecting under the threaded function in bar 410 and pusher through hole 310, limiting through hole, inject bar 410 to move axially by the spiral of screw thread, rotate forward when injecting bar 410, inject bar 410 to move to injection orifice 231 direction, inject 411 and bone cement is pushed to injection orifice 231 from injection canal 221, be more finally injected in human body by injection orifice 231.Because bone cement viscosity is high, be less than premix chamber 110 by the Cross-section Design of injection canal 221, can the injection pressure of augmenting bone cement, conveniently inject bone cement, be beneficial to operation.Further, the cross section in premix chamber 110 is large, conveniently pours into wherein by bone cement powder and water, is also beneficial to the stirring of bone cement.Inject lid 300 and both premix barrel 100 threaded engagement, inject bar 410 and pusher through hole 310, limiting through hole threaded engagement, try hard to recommend crowded bone cement by screwing of screw thread, larger pushing force can be obtained, be beneficial to injection bone cement.
Wherein, retreat for preventing injecting head, inject 411 structure as shown in Figure 9, an afterbody of injecting 411 has two retaining arms 4111 and (is not limited thereto, plural retaining arm can be set), retaining arm 4111 to a back sweep in outside of side of injecting 411, when inject 411 be positioned at inject passage 423 time, inject the head of 411 towards side, premix chamber 110, two retaining arm 4111 tail ends are against the sidewall of injecting passage 423.During injection bone cement, inject the afterbody that bar 410 pushing tow injects 411, two retaining arms 4111 clamp the head of injecting bar 410.When pushing forward bone cement, the pressure of bone cement reacts on injects 411, inject the effect that 411 are subject to power backward, because the outside of retaining arm 4111 to a side of injecting 411 tilts and prop up the inwall of injecting passage 423, under frictional force effect, retaining arm 4111 be extruded distortion withstand on inject passage 423 sidewall on, prevent from injecting 411 and retreat.
During concrete operations, first bone cement powder is poured in premix chamber 110 together with water, mixing cover 530 is covered on the first end of both premix barrel 100, uses stirring-head 510 that bone cement powder and water are stirred into bone cement, after being stirred bone cement, take off mixing cover 530, injection head is installed on the first end of both premix barrel 100, rotating bolus injection lid 300, bone cement is clamp-oned injection canal 221 from premix chamber 110, turning handle 412, is injected to bone cement in human body from injection canal 221.In whole operation, only need alternately mixing cover 530 and injection lid 210 be installed in both premix barrel 100, do not need to shift bone cement, decreasing the operation toppling over full-bodied bone cement, also avoid bone cement contaminated, entering human body from being stirred bone cement to bone cement, interval time is short, can prevent from bone cement from also not injecting just to solidify, sufficient operating time can be provided, be beneficial to the carrying out of operation.
Embodiment two
Embodiment two is with the difference of embodiment one:
As shown in Figure 10,11, shaft 520 is provided with gear 522, mixing cover 530 is also provided with tooth bar 550 and two rack bore, and tooth bar 550 is successively through two rack bore, and tooth bar 550 engages with gear 522.When stirring bone cement, move around tooth bar 550 in rack bore, and tooth bar 550 driven gear 522 is rotated, thus drive stirring-head 510 to rotate, and stirs.
Embodiment three
Embodiment three is with the difference of embodiment one:
Referring to figs. 1 through 9, spacing hole is not established in both premix barrel, both premix barrel is provided with the second opening be communicated with premix chamber, second opening and the first opening are oppositely arranged, injection lid 210 is covered on the first opening 122 place, the compatible mixing cover 530 of second opening and inject lid 300, can being covered on the second opening part by mixing cover 530, also can being covered on the second opening part by injecting lid 300.During use, first injection lid 210 is covered on the first opening part, mixing cover 530 is covered on the second opening part, now stirring-head 510 stretches into premix chamber 110, use stirring-head 510 pairs of bone cements to stir, after being stirred, pull down mixing cover 530, lid 300 will be injected and be covered on the second opening part, now injecting plate and injecting bar 410 stretches in premix chamber 110, with similar in embodiment one, uses infusing device to be injected in human body by bone cement.
Embodiment four
Embodiment four is with the difference of embodiment one:
As shown in figure 12, be provided with supported hole 130 and pushing tow hole 140 in both premix barrel 110, supported hole 130, pushing tow hole 140 are all communicated with premix chamber 110.
As shown in figure 13, infusing device includes and injects bar 410, inject plate 420, inject lid 300, baffle plate 350, and the first end of injecting bar 410 is provided with injects 411.
As shown in figure 14, inject plate 420 and be provided with push rod 421, the first end of push rod 421 is connected with the one side of injecting plate 420, injects plate 420 is also provided with and injects hole 424.
As shown in Figure 15 to 16, inject lid and comprise sleeve 370 and base plate 360, sleeve 370 comprises the thread segment, rotational segment, the glissile segment that connect successively from its first end to the second end, and base plate 360 is connected to the second end of sleeve 370.Wherein, the inwall of thread segment is provided with the first screw thread, the inwall of rotational segment is provided with the rotation slot 340 of circumference, inner core is provided with in the glissile segment of sleeve 370, second end of inner core is connected to base plate 360, inner core hollow, is provided with axial slide 330 and (is not limited thereto in it, also can be that the inside sidewalls of inner core is provided with axial chute).Baffle plate 350 is located in sleeve 370, the first surface of baffle plate 350 is towards push rod 421, second towards inner core, the first surface of baffle plate 350 is provided with pushing part 351, second of baffle plate 350 is provided with two panels card, form between two panels card and screens 352 is installed, the first end of inner core is arranged in be installed in screens 352, inner core and baffle plate 350 can also be welded and fixed.Baffle plate 350 is provided with the first through hole, and the first surface of baffle plate 350 is provided with protruding reinforcement platform 353, and strengthen platform 353 and be provided with the second through hole, the first through hole is communicated with the second through hole, and the side strengthening platform 353 is provided with and buckles recessed 354.
Both premix barrel 100 is installed in sleeve 370 from the first end of sleeve 370, under preassembled condition, and the threaded engagement of the screw thread in the thread segment of sleeve 370 just and outside both premix barrel.Injecting plate 420 is located in premix chamber 110, the profile of injecting plate 420 matches with the inner wall shape in premix chamber 110, second end of push rod 421 stretches out from premix chamber 110 through pushing tow hole 140, and against pushing part 351, the side of the second end of push rod 421 is provided with and buckles convex 422, buckle convex 422 with buckle recessed 354 and mutually buckle, and because baffle plate 350 connects and fixes with inner core by installing screens 352, when sleeve 370 is when axially moving forward and backward, baffle plate 350 can be driven axially movable, inject plate 420 and axially move forward and backward.Push rod 421 is at least two, and pushing tow hole 140 is at least two, and at least two pushing tow holes 140 are arranged around injecting hole 424, also has tight loop to be sheathed on outside push rod and is being strengthened outside platform 353 by push rod banding.It is more steady that push rod 421 pushing tow injects plate 420, and owing to driving when sleeve 370 rotates pushing part 351 to rotate, have multiple push rod 421 to be against on pushing part 351 uniformly, pushing part 351 uniform force, rotate more smooth and easy.(in the present embodiment, push rod 421 and pushing tow hole 140 are corresponding six, and are circumferentially being uniformly distributed, but are not limited thereto.)
Inject bar 410 through supported hole 130 with inject hole 424, the inwall of supported hole 130 with the sidewall of injecting bar 410 is respectively equipped with the screw thread matched.Inject 411 and be positioned at premix chamber 110, a profile of injecting 411 matches with the inner wall shape of injection canal 221.Also include sealing ring, the edge of injecting plate 420 is provided with groove, and sealing ring is located in groove.Sealing ring seals for the carrying out of injecting when plate moves in premix chamber 110, effectively can push bone cement.Second end of injecting bar 410 stretches in chute 330 through the second through hole, the first through hole from the first end of inner core, base plate 360 may be used for pushing second end of injecting bar 410, the side of injecting bar 410 second end is provided with the slide block 430 of protrusion, and slide block 430 is installed in chute 330 slidably.Inject between the second end of bar 410 and base plate 360 and be also provided with the 3rd spring 440, can cushioning effect be done.
During concrete operations, first bone cement powder is poured in premix chamber 110 together with water, mixing cover 530 is covered on the first opening 120 place of both premix barrel, as shown in figure 18, use stirring-head 510 that bone cement powder and water are stirred into bone cement, after being stirred bone cement, take off mixing cover 530, injection lid 210 is installed on the first opening 120 place of both premix barrel 100, as shown in figure 19:
When screw thread and the screw thread of both premix barrel 100 outer wall of sleeve 370 inwall be in match region time, rotate forward sleeve 370, sleeve 370 is to the first opening direction motion of both premix barrel 100, pushing part 351 is injected plate by push rod 421 pushing tow and is moved to the first opening 120 direction, base plate 360 pushing tow injects the first opening 120 direction motion of bar 410 to both premix barrel, injects plate 420 and injects 411 and jointly push in injection canal 221 by bone cement from premix chamber 110;
Rotational sleeve 370, when screw thread and the screw thread of both premix barrel 100 outer wall of sleeve 370 inwall exceed match region time, screw thread in both premix barrel 100 enters in rotation slot 340, when the screw thread in both premix barrel 100 enters in rotation slot 340 completely, screw thread is stuck in rotation slot 340, and bone cement all enters in injection canal 221 from premix chamber 110, now sleeve 370 can not continue to continue mobile to the first end of both premix barrel, but sleeve 370 can rotate relative to both premix barrel; And the screw thread of now, injecting on bar 410 enters the scope matched with the screw thread on supported hole 130 just;
Be rotated further sleeve 370, chute 330 in inner core is injected bar 410 by slide block 430 drive and is rotated, the screw thread of injecting bar 410 matches with the screw thread of supported hole 130, inject bar 410 to continue to move to injection orifice 231 direction, now slide block 430 slides in chute 330, injects 411 bone cement pushed in injection canal 221 and is injected in human body from injection orifice 231.Because bone cement viscosity is high, the cross section of injection canal 221 is less than premix chamber 110, can the injection pressure of augmenting bone cement, is beneficial to operation.Further, the cross section in premix chamber 110 is large, conveniently pours into wherein by bone cement powder and water, is also beneficial to the stirring of bone cement.Inject threaded engagement between bar 410 and supported hole 130, threaded engagement between sleeve 370 and both premix barrel 100, try hard to recommend crowded bone cement by screwing of screw thread, larger pushing force can be obtained, be beneficial to injection bone cement.
And, in whole operation, only need alternately mixing cover 530 and injection lid 210 be installed in both premix barrel, do not need to shift bone cement, avoiding bone cement contaminated, entering human body from being stirred bone cement to bone cement, interval time section, prevent from bone cement from also not injecting just to solidify, sufficient operating time can be provided, be beneficial to the carrying out of operation.After being stirred bone cement, in the injection bone cement stage, for operator, only need continue rotational sleeve 370, bone cement just can be completed to move back from the premix chamber 110 that cross section is large and to clamp-on the little injection canal of cross section 221, bone cement is injected to human body these two operations from injection canal 221, simple to operate.
In the present embodiment, the inwall of rotational segment and the outer wall of both premix barrel are provided with the inwall that the screw thread, the rotation slot that match are located at sleeve; But be not limited thereto, also can be, the outer wall of rotational segment and the inwall of both premix barrel be provided with the outer wall that the screw thread, the rotation slot that match are located at sleeve.
Embodiment five
Embodiment five is with the difference of embodiment four:
With reference to shown in Figure 11,12, shaft 520 is provided with gear 522, and mixing cover 530 is also provided with tooth bar 550 and two rack bore, tooth bar is installed in rack bore, and tooth bar 550 engages with gear 522.When stirring bone cement, move around tooth bar 550 in rack bore, and tooth bar 550 driven gear 522 is rotated, thus drive stirring-head 510 to rotate, and stirs.
With water, bone cement powder being stirred in above embodiment, but be not limited thereto, other can being adopted for stirring the liquid of bone cement powder.
Each technical characteristic of above embodiment can combine arbitrarily, for making description succinct, all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this description is recorded.
Above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a bone cement stirring syringe, is characterized in that, comprising:
Both premix barrel, both premix barrel is provided with premix chamber, and both premix barrel first end is provided with the first opening be communicated with premix chamber, and the second end of described both premix barrel is provided with the second opening be communicated with premix chamber;
Infusing device, infusing device comprises injects bar, and the first end of injecting bar is located in both premix barrel, and stretches into premix intracavity by the second opening;
Injection head, injection head comprises the injection lid and injection nozzle that are connected, and injection nozzle is provided with injection orifice, and injection covers the injection through hole being provided with and being communicated with injection orifice;
Agitating device, comprises mixing cover, shaft and stirring-head, and shaft is installed on mixing cover rotationally, and stirring-head is connected to one end of shaft;
Wherein, when mixing cover is installed on the first opening part of both premix barrel, stirring-head stretches into premix intracavity by the first opening;
When injecting lid and being installed on the first opening part of both premix barrel, injection orifice is communicated with premix chamber.
2. bone cement stirring syringe according to claim 1, is characterized in that, described shaft is provided with gear, and described mixing cover is also provided with moveable tooth bar, described tooth bar and described gears meshing.
3. bone cement stirring syringe according to claim 1, it is characterized in that, described agitating device also includes the mixing drum of hollow, the inwall of described mixing drum is provided with helicla flute, described shaft is installed in described mixing drum, the side of described shaft is provided with projection, and described projection is installed in described helicla flute.
4. bone cement stirring syringe according to claim 1, it is characterized in that, second end of described both premix barrel is provided with the spacing hole be communicated with premix chamber, described in inject bar through described spacing hole, described in inject on the outer wall of bar and the inwall of described spacing hole and be respectively equipped with the screw thread matched.
5. bone cement stirring syringe according to claim 1, it is characterized in that, described first end of injecting bar is provided with injects head, described head of injecting head forward, towards described premix chamber, described afterbody of injecting head backward, and described in inject the afterbody of head or sidewall is provided with at least two retaining arms, described retaining arm is to described back sweep of injecting the outside of a side.
6., according to the arbitrary described bone cement stirring syringe of claim 1 to 5, it is characterized in that, described infusing device also includes and injects lid, described in inject the second opening part that lid is installed on described both premix barrel;
Wherein, described in inject lid diapire be provided with pusher through hole, described in inject bar the second end stretch out through described pusher through hole described in inject outside lid;
Or, described in inject in lid and be provided with axial slideway, described in inject bar side be provided with protruding slide block, be installed in described slideway described skid.
7. according to the arbitrary described bone cement stirring syringe of claim 1 to 5, it is characterized in that, described stirring-head includes stirring main body, described stirring main body is installed on described shaft, described stirring-head also includes at least one mixing arm, the first end of described mixing arm is connected with stirring main body, and the second end of described mixing arm is free end;
Or described stirring-head also includes at least one paddle, described paddle is installed on the side of described stirring main body, and described paddle is provided with poke hole.
8. bone cement stirring syringe according to claim 7, is characterized in that, described paddle is spaced at least two, and the poke hole radius of one of them paddle is greater than the poke hole radius of another paddle.
9. a bone cement stirring syringe, is characterized in that, comprising:
Both premix barrel, both premix barrel is provided with premix chamber, and the first end of both premix barrel is provided with the first opening be communicated with premix chamber, and both premix barrel second end is provided with the second opening be communicated with premix chamber;
Injection head, is provided with injection orifice in injection head, and injection head is installed on the first opening part, and injection orifice is communicated with premix chamber;
Agitating device, comprises mixing cover and stirring-head, and described stirring-head is installed on described mixing cover;
Infusing device, infusing device comprises injects lid and injects bar, injects bar and is installed on to inject and covers;
Wherein, when mixing cover is installed on the second end of both premix barrel, stirring-head stretches into premix intracavity by the second opening;
When injecting lid and being installed on the second end of both premix barrel, the first end of injecting bar stretches into premix intracavity by the second opening.
10. bone cement stirring syringe according to claim 9, it is characterized in that, injection head comprises the injection lid and injection nozzle that are connected, and injection nozzle is provided with described injection orifice, injection covers the injection through hole being provided with and being communicated with described injection orifice, and injection lid is installed on the first opening part of both premix barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510497012.4A CN105055012B (en) | 2015-08-13 | 2015-08-13 | Bone cement stirring syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510497012.4A CN105055012B (en) | 2015-08-13 | 2015-08-13 | Bone cement stirring syringe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105055012A true CN105055012A (en) | 2015-11-18 |
| CN105055012B CN105055012B (en) | 2018-09-14 |
Family
ID=54484711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510497012.4A Active CN105055012B (en) | 2015-08-13 | 2015-08-13 | Bone cement stirring syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105055012B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106901823A (en) * | 2017-01-22 | 2017-06-30 | 常州百隆微创医疗器械科技有限公司 | A kind of quick pressure releasing injection-type Cement fixation device |
| CN109363762A (en) * | 2018-12-18 | 2019-02-22 | 艾科美医疗器械（深圳）有限公司 | A kind of negative pressure suction type bone cement device for casting and method for filling |
| CN109381252A (en) * | 2017-08-04 | 2019-02-26 | 美敦力控股有限责任公司 | Distribution system and application method |
| CN111728745A (en) * | 2020-06-23 | 2020-10-02 | 江苏尚美医疗器械有限公司 | High-precision bone cement filler |
| CN114602349A (en) * | 2020-12-04 | 2022-06-10 | 擎睿生医有限公司 | Bone cement stirring assembly |
| CN114642492A (en) * | 2022-03-16 | 2022-06-21 | 燕山大学 | Bone cement remote injection device for vertebroplasty |
Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1210974A2 (en) * | 2000-12-01 | 2002-06-05 | Depuy Orthopaedics, Inc. | Bone cement mixing apparatus having particular mixing blade configuration |
| WO2003101596A1 (en) * | 2002-04-18 | 2003-12-11 | Cemvac System Ab | Device at a mixing container for preparation of bone cement |
| US20040174768A1 (en) * | 2001-07-16 | 2004-09-09 | Coffeen Jared P. | Bone cement mixing and delivery device for injection and method thereof |
| US20060203608A1 (en) * | 2002-10-07 | 2006-09-14 | Advanced Biomaterial Systems, Inc., A Delaware Corporation | Apparatus for mixing and dispensing components |
| CN1950041A (en) * | 2004-03-08 | 2007-04-18 | 萨米特医疗器械有限公司 | Apparatus for mixing and discharging bone cement |
| EP1635936B1 (en) * | 2003-05-15 | 2009-06-24 | Advanced Biomaterial Systems, Inc. | Apparatus and method for mixing and dispensing components |
| CN101534753A (en) * | 2006-09-07 | 2009-09-16 | 惠氏公司 | Bone cement mixing systems and related methods |
| CN201427032Y (en) * | 2009-06-08 | 2010-03-24 | 刘允才 | Blender |
| CN201870709U (en) * | 2010-12-04 | 2011-06-22 | 上海凯利泰医疗科技股份有限公司 | Medical bone cement stirring and pushing injector |
| US20110306983A1 (en) * | 2010-06-11 | 2011-12-15 | O'halloran Damien | Devices For Delivering Bone Filler Material And Associated Method of Use |
| CN102770202A (en) * | 2010-02-22 | 2012-11-07 | 药物混合系统股份公司 | Syringe-like mixing device having a distally operable mixing element |
| CN203017057U (en) * | 2013-01-09 | 2013-06-26 | 罗豫川 | Surgical instrument for vertebroplasty |
| CN203234810U (en) * | 2013-04-23 | 2013-10-16 | 中山市世医堂医疗器械有限公司 | Spiral pressurization needle cylinder for vertebral body forming operation |
| CN203369946U (en) * | 2013-04-23 | 2014-01-01 | 中山市世医堂医疗器械有限公司 | A bone cement stirring and injection device |
| CN203576627U (en) * | 2013-01-09 | 2014-05-07 | 上海凯利泰医疗科技股份有限公司 | Equipment used for injecting bone cement |
| CN203662880U (en) * | 2014-01-21 | 2014-06-25 | 宁波华科润生物科技有限公司 | Bone cement stirring and injecting system |
| CN203829028U (en) * | 2013-12-12 | 2014-09-17 | 浙江康慈医疗科技有限公司 | Assembly for injecting bone cement into casing pipe |
| CN104688321A (en) * | 2015-03-12 | 2015-06-10 | 艾科美医疗器械（深圳）有限公司 | Integrated bone cement injection device with stirring function and injection function |
| CN104707519A (en) * | 2013-12-16 | 2015-06-17 | 赫罗伊斯医疗有限责任公司 | Device for storing and mixing bone cement |
| CN104816888A (en) * | 2014-02-03 | 2015-08-05 | 贺利氏医疗有限公司 | Device for storing and mixing bone cement |
| CN204863445U (en) * | 2015-08-13 | 2015-12-16 | 广州爱锘德医疗器械有限公司 | Bone cement stirring syringe |
-
2015
- 2015-08-13 CN CN201510497012.4A patent/CN105055012B/en active Active
Patent Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1210974A2 (en) * | 2000-12-01 | 2002-06-05 | Depuy Orthopaedics, Inc. | Bone cement mixing apparatus having particular mixing blade configuration |
| US20040174768A1 (en) * | 2001-07-16 | 2004-09-09 | Coffeen Jared P. | Bone cement mixing and delivery device for injection and method thereof |
| EP2243545A1 (en) * | 2001-07-16 | 2010-10-27 | Stryker Corporation | Bone cement mixing and delivery device for injection |
| WO2003101596A1 (en) * | 2002-04-18 | 2003-12-11 | Cemvac System Ab | Device at a mixing container for preparation of bone cement |
| US20060203608A1 (en) * | 2002-10-07 | 2006-09-14 | Advanced Biomaterial Systems, Inc., A Delaware Corporation | Apparatus for mixing and dispensing components |
| EP1635936B1 (en) * | 2003-05-15 | 2009-06-24 | Advanced Biomaterial Systems, Inc. | Apparatus and method for mixing and dispensing components |
| CN1950041A (en) * | 2004-03-08 | 2007-04-18 | 萨米特医疗器械有限公司 | Apparatus for mixing and discharging bone cement |
| CN101534753A (en) * | 2006-09-07 | 2009-09-16 | 惠氏公司 | Bone cement mixing systems and related methods |
| CN201427032Y (en) * | 2009-06-08 | 2010-03-24 | 刘允才 | Blender |
| CN102770202A (en) * | 2010-02-22 | 2012-11-07 | 药物混合系统股份公司 | Syringe-like mixing device having a distally operable mixing element |
| US20110306983A1 (en) * | 2010-06-11 | 2011-12-15 | O'halloran Damien | Devices For Delivering Bone Filler Material And Associated Method of Use |
| CN201870709U (en) * | 2010-12-04 | 2011-06-22 | 上海凯利泰医疗科技股份有限公司 | Medical bone cement stirring and pushing injector |
| CN203017057U (en) * | 2013-01-09 | 2013-06-26 | 罗豫川 | Surgical instrument for vertebroplasty |
| CN203576627U (en) * | 2013-01-09 | 2014-05-07 | 上海凯利泰医疗科技股份有限公司 | Equipment used for injecting bone cement |
| CN103908332A (en) * | 2013-01-09 | 2014-07-09 | 上海凯利泰医疗科技股份有限公司 | Equipment for injecting bone cement |
| CN203234810U (en) * | 2013-04-23 | 2013-10-16 | 中山市世医堂医疗器械有限公司 | Spiral pressurization needle cylinder for vertebral body forming operation |
| CN203369946U (en) * | 2013-04-23 | 2014-01-01 | 中山市世医堂医疗器械有限公司 | A bone cement stirring and injection device |
| CN203829028U (en) * | 2013-12-12 | 2014-09-17 | 浙江康慈医疗科技有限公司 | Assembly for injecting bone cement into casing pipe |
| CN104707519A (en) * | 2013-12-16 | 2015-06-17 | 赫罗伊斯医疗有限责任公司 | Device for storing and mixing bone cement |
| CN203662880U (en) * | 2014-01-21 | 2014-06-25 | 宁波华科润生物科技有限公司 | Bone cement stirring and injecting system |
| CN104816888A (en) * | 2014-02-03 | 2015-08-05 | 贺利氏医疗有限公司 | Device for storing and mixing bone cement |
| CN104688321A (en) * | 2015-03-12 | 2015-06-10 | 艾科美医疗器械（深圳）有限公司 | Integrated bone cement injection device with stirring function and injection function |
| CN204863445U (en) * | 2015-08-13 | 2015-12-16 | 广州爱锘德医疗器械有限公司 | Bone cement stirring syringe |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106901823A (en) * | 2017-01-22 | 2017-06-30 | 常州百隆微创医疗器械科技有限公司 | A kind of quick pressure releasing injection-type Cement fixation device |
| CN109381252A (en) * | 2017-08-04 | 2019-02-26 | 美敦力控股有限责任公司 | Distribution system and application method |
| CN109381252B (en) * | 2017-08-04 | 2023-09-12 | 美敦力控股有限责任公司 | Dispensing system and method of use |
| CN109363762A (en) * | 2018-12-18 | 2019-02-22 | 艾科美医疗器械（深圳）有限公司 | A kind of negative pressure suction type bone cement device for casting and method for filling |
| CN111728745A (en) * | 2020-06-23 | 2020-10-02 | 江苏尚美医疗器械有限公司 | High-precision bone cement filler |
| CN114602349A (en) * | 2020-12-04 | 2022-06-10 | 擎睿生医有限公司 | Bone cement stirring assembly |
| CN114602349B (en) * | 2020-12-04 | 2024-03-19 | 擎睿生医有限公司 | Bone cement stirring assembly |
| CN114642492A (en) * | 2022-03-16 | 2022-06-21 | 燕山大学 | Bone cement remote injection device for vertebroplasty |
| CN114642492B (en) * | 2022-03-16 | 2024-03-26 | 燕山大学 | Bone cement remote injection device for vertebroplasty |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105055012B (en) | 2018-09-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105055012A (en) | Bone cement stirring injector | |
| US4784607A (en) | Dental impression syringe | |
| CN204863445U (en) | Bone cement stirring syringe | |
| CN204951135U (en) | Bone cement injection syringe | |
| CN102028524A (en) | Bone cement stirring and infusing device | |
| CN203829028U (en) | Assembly for injecting bone cement into casing pipe | |
| CN110801276B (en) | Stirring type bone cement injector and bone cement stirring injection method | |
| CN204951136U (en) | Bone cement injection syringe | |
| KR101199231B1 (en) | Mixing Dispenser Apparatus for Two Liquid of Hardening Quickly | |
| CN115591442B (en) | Raw material mixing machine | |
| CN209499879U (en) | Bone cement mixer and its rabbling mechanism | |
| CN205359600U (en) | Bone cement processing apparatus | |
| CN201870709U (en) | Medical bone cement stirring and pushing injector | |
| CN110142874A (en) | A kind of construction concrete mixer | |
| CN207949947U (en) | Full-automatic bone cement stirring, infusing device | |
| CN102988103A (en) | Stirring syringe for adding bioactive factors or medicines | |
| CN215661194U (en) | Polymer material pipe production compounding device | |
| CN216171718U (en) | Waterproof coating agitating unit convenient to wash | |
| CN206380558U (en) | Dough mixing machine with water injecting mechanism | |
| CN104586497A (en) | Bone cement injecting tool | |
| CN108312340A (en) | Concrete mixer | |
| CN106618716A (en) | Bone cement injector | |
| CN208464238U (en) | A kind of stirring-type bone cement injector | |
| CN220125985U (en) | Oral liquid preparation tank | |
| CN108420551A (en) | Hybrid tooth filler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |