CN108771563A - Bone cement antiseep pushing in device - Google Patents
Bone cement antiseep pushing in device Download PDFInfo
- Publication number
- CN108771563A CN108771563A CN201810560978.1A CN201810560978A CN108771563A CN 108771563 A CN108771563 A CN 108771563A CN 201810560978 A CN201810560978 A CN 201810560978A CN 108771563 A CN108771563 A CN 108771563A
- Authority
- CN
- China
- Prior art keywords
- sacculus
- injector
- bone cement
- antiseep
- pushing
- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—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
- A61B17/8825—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it characterised by syringe details
-
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7094—Solid vertebral fillers; devices for inserting such 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
- A61B17/8816—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it characterised by the conduit, e.g. tube, along which fluid flows into the body or by conduit connections
-
- 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
- A61B17/8819—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it characterised by the introducer proximal part, e.g. cannula handle, or by parts which are inserted inside each other, e.g. stylet and cannula
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
- A61B2090/064—Measuring instruments not otherwise provided for for measuring force, pressure or mechanical tension
Abstract
The invention discloses a kind of bone cement antiseep pushing in device, connecting conduit including injector, sacculus assembly and connection injector and sacculus assembly, the first injector, the second injector that injector includes shell, is arranged in shell, first injector, the second injector are connect by three-way cock with connecting conduit one end, sacculus assembly includes sacculus, be arranged sacculus front end preceding developing block, be arranged the rear developing block of sacculus rear end, sacculus front end be provided with opening to be opened/closed.Structure of the invention is compact, it is easy to use, effectively prevent bone cement leakage, reduce postoperative infection.
Description
Technical field
The present invention relates to a kind of medical instruments, and in particular to a kind of bone cement antiseepage push-in dress of vertebral fracture Minimally Invasive Surgery
It sets.
Background technology
With being constantly progressive for novel minimal invasive techniques, balloon angioplasty balloon kyphoplasty (PKP) has been widely used
In clinic.PKP technologies mainly as treatment Osteoporotic vertebral fracture novel Minimally Invasive Surgery, can rapid pain relief,
Promote patient's early functional exercise, therefore receives the favor of patient and doctor.
PKP is the position that special surgical instrument is placed on to patient's compression fracture by small notch, using sacculus by ridge
Column compression position struts partial reset, is then injected into bone cement, compressed centrum is enable to reinforce, to reach rapid analgesic
Effect.Such operative incision is small, bleeding about 10-15ml, and operation generally use local anaesthesia patient restores rapid, operating time 20-
30 minutes.Pain releases postoperative patient at once, second day can Go to ground activity.For many with the disease of old people of heavier complication
People can also use.
It is now recognized that PKP operations are more economical compared with open reduction, clinical application confirmation is a kind of safe and effective operation side
Formula；It is better choice that PKP loses the patient that apparent, old fracture is formed with pseudarthrosis for vertebral height, and PKP can be more
Restore vertebral height well, corrects kyphosis deformity.
Conventionally, as injecting bone cement to compressed vertebral under larger pressure, this Minimally Invasive Surgery may draw
The infiltration of bone cement can not also be avoided completely by playing danger, the abundant doctors of instant clinical experience such as bone cement leakage.In order to effective
It solves the problems, such as that bone cement permeates, there is scholar to propose " pouch " technology.In the front end of bone cement injection device, being equipped with can inhale
The netted pouch or titanium net cage received, when injecting bone cement, pouch can wrap up most of bone cement；Bone cement has been pushed into again
Bi Hou, when exiting push rod, pouch retains in vivo.Existing pouch technology theoretically proposes a kind of feasible scheme, but
It is that absorbable pouch still has some clinical shortcomings.It can absorb pouch first as permanent implant, is in human body
It is no can fully absorb and remove finish it is on the knees of the gods；As the implantation material in addition to bone cement, and increase infection and foreign matter
The risk of reaction；If pressure is higher in bone cement push-on process, netted absorbable pouch can not avoid bone water completely
The leakage of mud, it still has the risk of bone cement leakage when pressure is slightly higher, and current existing application antiseep pouch technology is still
The document report leaked.
Invention content
The goal of the invention of the present invention, which is to provide one kind, injecting liquid bone cement under sacculus protection, wait for that bone cement solidifies
When open balloon tip withdraw from sacculus, retain bone cement antiseep pushing in device.
To achieve the above object of the invention, the technical solution adopted by the present invention is：
Bone cement antiseep pushing in device, including injector, sacculus assembly and the connection injector and sacculus assembly
Connecting conduit, the injector includes shell, the first injector, the second injector that are arranged in the shell, and described first
Injector, the second injector are connect by three-way cock with described connecting conduit one end, and the sacculus assembly includes sacculus, setting
The sacculus front end preceding developing block, be arranged and be provided with and can open in the rear developing block of the sacculus rear end, the sacculus front end
The opening closed.
In above-mentioned technical proposal, preceding developing block and rear developing block can be moved forward and backward as needed, before controlling bone cement
Edge and rear.
The first push rod, the second push rod, the first push rod, the second push rod are respectively arranged in first injector, the second injector
It is spiral handspike, spiral handspike can be screwed by rotating clockwise, and can exit spiral handspike, connecting conduit and sacculus counterclockwise
The position of connection is provided with ring switch, and balloon surface closes when switch is closed, and bone cement injection will not leak；Bone cement injects
After, i.e., when will harden, switch is opened, and sacculus is bounced back from 8. position to 7. position, is only retained and is had been injected into bone cement；Suitably move back
Go out interior outer catheter, continues to inject appropriate bone cement, outer layer bone cement is made to penetrate into bone tissue.
Preferred technical solution, described sacculus one end are provided with pressure sensor, and pressure gauge, institute are provided on the shell
Pressure sensor is stated to connect with the pressure gauge.
Preferred technical solution, the connecting conduit include the outer catheter of inner catheter and the cladding inner catheter.
In above-mentioned technical proposal, outer catheter is fitted closely with inner catheter, and inner catheter front end is provided with uniform through-hole.
Preferred technical solution is provided with hollow third conduit, inner catheter end medial surface in the inner catheter
It is provided with internal thread, the third catheter tip lateral surface is provided with the external screw thread with the screw-internal thread fit, the opening packet
Include the sacculus skin being folded between the internal thread and the external screw thread.
In above-mentioned technical proposal, sacculus skin is fixed between internal thread and the external screw thread, when bone cement is injected in sacculus
After, after third conduit rotates, internal thread is detached with external screw thread, is formed opening at sacculus skin, can be extracted connection out at this time
Conduit and sacculus.
The third conduit other end is provided with rotating device, can control third conduit rotation.
Preferred technical solution, the opening includes the hush panel being flexibly connected with the sacculus front end, the hush panel
Bottom is provided with pull rod, and the pull rod controls the hush panel pop-up or withdraws.
In above-mentioned technical proposal, spring assembly is may be provided in pull rod, hush panel keeps close in balloon expandable with sacculus
Envelope connection triggers the spring assembly in pull rod after bone cement is injected in sacculus, so that hush panel is detached from sacculus, at this time
Connecting conduit and sacculus can be extracted out.
Pull rod front end is connect with sacculus, and injector is stretched out in rear end by inner catheter, and when use can grasp outside injector
Make pull rod.
Preferred technical solution, sacculus use the alloy material of polytetrafluoroethylene (PTFE) and nylon and polyurethane or other materials
It makes, when the pressure value in sacculus reaches certain value, sacculus front end ruptures automatically, can extract connecting conduit and ball out at this time
Capsule.
The operation principle of the present invention：
One, it is placed with expander in the first injector, liquid bone cement is placed in the second injector；In Perspective Conditions
Under, the implantation position of sacculus is controlled using preceding developing block, rear developing block；It rotates clockwise the first push rod and expander is injected into ball
Capsule makes to rotate the first push rod counterclockwise after balloon expandable to predeterminated position and draws back expander；The second push rod is rotated clockwise by bone
Cement re-injects in sacculus, after perspective is satisfied, opens sacculus opening, connecting conduit and sacculus assembly are exited.
Or two, first injector it is vacant, liquid bone cement is placed in the second injector；Under Perspective Conditions, before utilization
The implantation position of developing block, rear developing block control sacculus；It rotates clockwise the second push rod and liquid bone cement is injected into sacculus, thoroughly
Depending on after making balloon expandable to satisfaction, waiting for that bone cement solidifies, opening sacculus opening, connecting conduit and sacculus assembly are exited.
Since above-mentioned technical proposal is used, the present invention has following advantages compared with prior art：
1. being provided with opening on sacculus of the present invention, sacculus can be extracted out after bone cement is injected, sacculus is not in human body
Interior residual is left in vivo without implants in addition to bone cement, reduces postoperative infection, reduces foreign body reaction；
2. the present invention is provided with pressure sensor on sacculus, pressure gauge is provided in injector, it can be intuitively
Pressure in sacculus helps accurately to implement to perform the operation；
3. the present invention can utmostly avoid the leakage of bone cement, reduce the complication caused by bone cement leaks；
4. the present invention, when reply is in the imperfect centrum of centrum rear, injection bone cement can also reach preferable safety
Property；
5. the present invention can meet the requirement of vertebral body balloon expansion and bone cement injection, simple in structure, simple operation simultaneously.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is sectional view of the present invention；
Fig. 3 is enlarged drawing at A；
Fig. 4 is the opening schematic diagram of the embodiment of the present invention one；
Fig. 5 is the opening schematic diagram one of the embodiment of the present invention two；
Fig. 6 is the opening schematic diagram two of the embodiment of the present invention two.
Wherein：1, the first injector；2, the second injector；3, three-way cock；4, sacculus；5, it is open；6, the first push rod；7,
Second push rod；8, pressure sensor；9, outer catheter；10, inner catheter；11, third conduit；12, sacculus skin；13, hush panel；14,
Ring switch.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and embodiments：
Embodiment one：Referring to shown in Fig. 1-4,
Bone cement antiseep pushing in device includes the connection of injector, sacculus assembly and connection injector and sacculus assembly
Conduit, injector includes shell, the first injector 1, the second injector 2 that are arranged in shell, and the first injector 1, second push away
Note device 2 is connect by three-way cock 3 with connecting conduit one end, and sacculus assembly includes sacculus 4, is arranged in the rear aobvious of 4 rear end of sacculus
Shadow block, 4 front end of sacculus are provided with opening 5 to be opened/closed.
Preceding developing block and rear developing block can be moved forward and backward as needed, control the leading edge and rear of bone cement.
The first push rod 6, the second push rod 7, the first push rod 6, second are respectively arranged in first injector 1, the second injector 2
Push rod 7 is spiral handspike, and spiral handspike can be screwed by rotating clockwise, and can exit spiral handspike counterclockwise.Connecting conduit
The position being connect with sacculus 4 is provided with ring switch 14, and 4 surface of sacculus is closed when ring switch 14 is closed, and bone cement injects not
It can leak；After bone cement injects, i.e., when will harden, ring switch 14 is opened, and sacculus 4 is bounced back from position to position, is only protected
It stays and has been injected into bone cement；Interior outer catheter is suitably exited, continues to inject appropriate bone cement, outer layer bone cement is made to penetrate into group to the marrow
It knits.
4 one end of sacculus is provided with pressure sensor 8, and pressure gauge is provided on shell, and pressure sensor 8 connects with pressure gauge
It connects.
Connecting conduit includes inner catheter 10 and coats the outer catheter 9 of inner catheter 10.
Outer catheter 9 is fitted closely with inner catheter 10, and 10 front end of inner catheter is provided with uniform through-hole.
Hollow third conduit 11 is provided in inner catheter 10,10 end medial surface of inner catheter is provided with internal thread, third
11 terminal outboard surface of conduit is provided with the external screw thread with screw-internal thread fit, and opening 5 includes being folded between internal thread and external screw thread
Sacculus skin 12.
In above-mentioned technical proposal, sacculus skin 12 is fixed between internal thread and external screw thread, when bone cement has been injected in sacculus 4
Bi Hou, after third conduit 11 rotates, internal thread is detached with external screw thread, and opening 5 is formed at sacculus skin 12, at this time can the company of extraction out
Connect conduit and sacculus 4.
11 other end of third conduit is provided with rotating device, and third conduit 11 can control to rotate.
The application method one of the present embodiment：
It is placed with expander (water) in first injector 1, liquid bone cement (the poly- first of PMMA/ is placed in the second injector 2
Base methyl acrylate；Hydroxyapatite/BMP2)；Body surface location, after vertebral pedicle puncture, insert combined type probe casing, in taking-up
Core is inserted into guide wire, takes out outer core, is inserted into protection sleeve pipe, takes out guide wire, after being inserted into bit bore, is inserted into apparatus of the present invention
Balloon tip, perspective, developing block is located at centrum internal cavity front end before making, after developing block is located at centrum internal cavity after front and back adjusting
End, three-way cock 3 select sacculus 4 to expand, and rotate clockwise the first push rod 6 and expander is injected sacculus 4, sacculus 4 is made to be expanded to
The first push rod 6 is rotated after predeterminated position counterclockwise and draws back expander；It rotates clockwise the second push rod 7 and liquid bone cement is injected into ball
In capsule 4, after perspective is satisfied, when waiting for bone cement that will solidify, rotation third conduit 11 so that sacculus skin 12 is detached from inner catheter 10
Opening 5 is formed, third conduit 11, connecting conduit and sacculus assembly are exited.
The application method two of the present embodiment：
First injector 1 is vacant, and liquid bone cement is placed in the second injector 2；Under Perspective Conditions, develop after utilization
Block controls the implantation position of sacculus 4；It rotates clockwise the second push rod 7 and liquid bone cement is injected into sacculus 4, perspective makes sacculus 4 expand
To after satisfied, wait for that bone cement solidifies, open the opening of sacculus 45, connecting conduit and sacculus assembly are exited.
Embodiment two：It is shown in Figure 5,
Bone cement antiseep pushing in device includes the connection of injector, sacculus assembly and connection injector and sacculus assembly
Conduit, injector includes shell, the first injector 1, the second injector 2 that are arranged in shell, and the first injector 1, second push away
Note device 2 is connect by three-way cock 3 with connecting conduit one end, and sacculus assembly includes sacculus 4, is arranged before 4 front end of sacculus and shows
Shadow block, be arranged the rear developing block of 4 rear end of sacculus, 4 front end of sacculus be provided with it is to be opened/closed opening 5.
Preceding developing block and rear developing block can be moved forward and backward as needed, control the leading edge and rear of bone cement.
The first push rod 6, the second push rod 7, the first push rod 6, second are respectively arranged in first injector 1, the second injector 2
Push rod 7 is spiral handspike, and spiral handspike can be screwed by rotating clockwise, and can exit spiral handspike counterclockwise.Connecting conduit
The position being connect with sacculus 4 is provided with ring switch 14, and 4 surface of sacculus is closed when ring switch 14 is closed, and bone cement injects not
It can leak；After bone cement injects, i.e., when will harden, ring switch 14 is opened, and sacculus 4 is bounced back from position to position, is only protected
It stays and has been injected into bone cement；Interior outer catheter is suitably exited, continues to inject appropriate bone cement, outer layer bone cement is made to penetrate into group to the marrow
It knits.
4 surface of sacculus is provided with pressure sensor 8, and pressure gauge is provided on shell, and pressure sensor 8 connects with pressure gauge
It connects.
Connecting conduit includes inner catheter 10 and coats the outer catheter 9 of inner catheter 10.
Outer catheter 9 is fitted closely with inner catheter 10, and 10 front end of inner catheter is provided with uniform through-hole.
Opening 5 includes the hush panel 13 being flexibly connected with 4 front end of sacculus, and 13 bottom of hush panel is provided with pull rod, pull rod control
The pop-up of hush panel 13 processed is withdrawn.
In above-mentioned technical proposal, spring assembly is may be provided in pull rod, hush panel 13 is protected when sacculus 4 is expanded with sacculus 4
Sealed connection is held, after bone cement is injected in sacculus 4, triggers the spring assembly in pull rod, keeps hush panel 13 de- with sacculus 4
From connecting conduit and sacculus 4 can be extracted out at this time.
Pull rod front end is connect with sacculus 4, and injector is stretched out in rear end by inner catheter 10, when use outside injector
Operate pull rod.
The application method of the present embodiment：
It is placed with expander (developer, such as Ultravist) in first injector 1, bone water is placed in the second injector 2
Mud (PMMA/ polymethyl methacrylates；Or the hydroxyapatite with bone-inducting active/BMP2 bone cements)；Body surface location, vertebra
After nut punctures, insert combined type probe casing, inner core is taken out, guide wire is inserted into, takes out outer core, is inserted into protection sleeve pipe,
Guide wire is taken out, after being inserted into bit bore, is inserted into apparatus of the present invention balloon tip, perspective, developing block is located in centrum empty before making
Chamber front end, developing block is located at centrum internal cavity rear end after front and back adjusting, and three-way cock 3 selects sacculus 4 to expand, and rotates clockwise the
Expander is injected sacculus 4 by one push rod 6, so that sacculus 4 is expanded to after predeterminated position and is rotated the first push rod 6 counterclockwise and draw back expansion
Agent；It rotates clockwise the second push rod 7 to re-inject bone cement in sacculus 4, after perspective is satisfied, touches the spring dress in pull rod
It sets, so that hush panel 13 is detached with sacculus 4, connecting conduit and sacculus assembly are exited.
The application method two of the present embodiment：
First injector 1 is vacant, and liquid bone cement is placed in the second injector 2；Under Perspective Conditions, preceding development is utilized
The implantation position of block, rear developing block control sacculus 4；It rotates clockwise the second push rod 7 and liquid bone cement is injected into sacculus 4, have an X-rayed,
It after so that sacculus 4 is expanded to satisfaction, waits for that bone cement solidifies, opens the opening of sacculus 45, connecting conduit and sacculus assembly are exited.
Embodiment three：
Bone cement antiseep pushing in device includes the connection of injector, sacculus assembly and connection injector and sacculus assembly
Conduit, injector includes shell, the first injector 1, the second injector 2 that are arranged in shell, and the first injector 1, second push away
Note device 2 is connect by three-way cock 3 with connecting conduit one end, and sacculus assembly includes sacculus 4, is arranged before 4 front end of sacculus and shows
Shadow block, be arranged the rear developing block of 4 rear end of sacculus, 4 front end of sacculus be provided with it is to be opened/closed opening 5.
Preceding developing block and rear developing block can be moved forward and backward as needed, control the leading edge and rear of bone cement.
The first push rod 6, the second push rod 7, the first push rod 6, second are respectively arranged in first injector 1, the second injector 2
Push rod 7 is spiral handspike, and spiral handspike can be screwed by rotating clockwise, and can exit spiral handspike counterclockwise.Connecting conduit
The position being connect with sacculus 4 is provided with ring switch 14, and 4 surface of sacculus is closed when ring switch 14 is closed, and bone cement injects not
It can leak；After bone cement injects, i.e., when will harden, ring switch 14 is opened, and sacculus 4 is bounced back from position to position, is only protected
It stays and has been injected into bone cement；Interior outer catheter is suitably exited, continues to inject appropriate bone cement, outer layer bone cement is made to penetrate into group to the marrow
It knits.
4 surface of sacculus is provided with pressure sensor 8, and pressure gauge is provided on shell, and pressure sensor 8 connects with pressure gauge
It connects.
Connecting conduit includes inner catheter 10 and coats the outer catheter 9 of inner catheter 10.
Outer catheter 9 is fitted closely with inner catheter 10, and 10 front end of inner catheter is provided with uniform through-hole.
Sacculus 4 is made of polytetrafluoroethylene (PTFE) and nylon and the alloy material of polyurethane or other materials, and sacculus 4 is open
Thickness at 5 is thin, and the pressure that can be born at opening 5 is less than other positions.
The application method of the present embodiment：
It is placed with expander (developer, such as Ultravist) in first injector 1, bone water is placed in the second injector 2
Mud (PMMA/ polymethyl methacrylates；Or the hydroxyapatite with bone-inducting active/BMP2 bone cements)；Body surface location, vertebra
After nut punctures, it is inserted into conduit, perspective, developing block is located at centrum internal cavity front end before making, and developing block is located at vertebra after front and back adjusting
Internal cavity rear end, three-way cock 3 select sacculus 4 to expand, and rotate clockwise the first push rod 6 and expander is injected sacculus 4, make ball
Capsule 4 is expanded to after predeterminated position to be rotated the first push rod 6 and draws back expander counterclockwise；The second push rod 7 is rotated clockwise by bone cement
It injects in the sacculus 4 expanded, after perspective is satisfied, continues to inject a certain amount of bone cement, at this point, 4 thin-walled of sacculus at opening 5
Automatic rupture, connecting conduit and sacculus assembly are exited.
The application method two of the present embodiment：
First injector 1 is vacant, and liquid bone cement is placed in the second injector 2；Under Perspective Conditions, preceding development is utilized
The implantation position of block, rear developing block control sacculus 4；It rotates clockwise the second push rod 7 and liquid bone cement is injected into sacculus 4, have an X-rayed,
It after so that sacculus 4 is expanded to satisfaction, waits for that bone cement solidifies, opens the opening of sacculus 45, connecting conduit and sacculus assembly are exited.
Claims (6)
1. bone cement antiseep pushing in device includes the company of injector, sacculus assembly and the connection injector and sacculus assembly
Connect conduit, the injector includes shell, the first injector, the second injector that are arranged in the shell, and described first pushes away
Note device, the second injector are connect by three-way cock with described connecting conduit one end, it is characterised in that：The sacculus assembly includes
Sacculus, be arranged the sacculus front end preceding developing block, be arranged and set in the rear developing block of the sacculus rear end, the sacculus front end
It is equipped with opening to be opened/closed.
2. bone cement antiseep pushing in device according to claim 1, it is characterised in that：Described sacculus one end is provided with pressure
Force snesor is provided with pressure gauge on the shell, and the pressure sensor is connect with the pressure gauge.
3. bone cement antiseep pushing in device according to claim 1, it is characterised in that：The connecting conduit includes interior leads
Manage and coat the outer catheter of the inner catheter.
4. bone cement antiseep pushing in device according to claim 1, it is characterised in that：In being provided in the inner catheter
Empty third conduit, inner catheter end medial surface are provided with internal thread, the third catheter tip lateral surface be provided with
The external screw thread of the screw-internal thread fit, the opening include the sacculus skin being folded between the internal thread and the external screw thread.
5. bone cement antiseep pushing in device according to claim 4, it is characterised in that：The third catheter tip setting
There are multiple through-holes.
6. bone cement antiseep pushing in device according to claim 1, it is characterised in that：The opening includes and the ball
The hush panel of capsule front end flexible connection, the hush panel bottom are provided with pull rod, the pull rod control the hush panel pop-up or
Person withdraws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810560978.1A CN108771563A (en) | 2018-06-01 | 2018-06-01 | Bone cement antiseep pushing in device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810560978.1A CN108771563A (en) | 2018-06-01 | 2018-06-01 | Bone cement antiseep pushing in device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108771563A true CN108771563A (en) | 2018-11-09 |
Family
ID=64024491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810560978.1A Pending CN108771563A (en) | 2018-06-01 | 2018-06-01 | Bone cement antiseep pushing in device |
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