CN105286975B - A kind of reinforcement type compression fracture pulling off reset device - Google Patents
A kind of reinforcement type compression fracture pulling off reset device Download PDFInfo
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- CN105286975B CN105286975B CN201510569320.3A CN201510569320A CN105286975B CN 105286975 B CN105286975 B CN 105286975B CN 201510569320 A CN201510569320 A CN 201510569320A CN 105286975 B CN105286975 B CN 105286975B
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- handle
- expansion body
- compand
- head protector
- connection
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- 230000001012 protector Effects 0.000 claims abstract description 62
- 239000002639 bone cement Substances 0.000 claims abstract description 45
- 230000002787 reinforcement Effects 0.000 claims abstract description 44
- 206010010214 Compression fracture Diseases 0.000 claims abstract description 40
- 230000003902 lesion Effects 0.000 claims abstract description 31
- 230000006835 compression Effects 0.000 claims abstract description 21
- 238000007906 compression Methods 0.000 claims abstract description 21
- 238000002347 injection Methods 0.000 claims abstract description 11
- 239000007924 injection Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 11
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 229910001256 stainless steel alloy Inorganic materials 0.000 claims description 7
- 239000012620 biological material Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 235000007164 Oryza sativa Nutrition 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 235000009566 rice Nutrition 0.000 claims description 3
- 210000001519 tissue Anatomy 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 240000007594 Oryza sativa Species 0.000 claims 1
- 238000001356 surgical procedure Methods 0.000 abstract description 2
- 210000000988 bone and bone Anatomy 0.000 description 26
- 239000004568 cement Substances 0.000 description 16
- 238000011017 operating method Methods 0.000 description 8
- 208000010392 Bone Fractures Diseases 0.000 description 2
- 206010017076 Fracture Diseases 0.000 description 2
- 241000209094 Oryza Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000338 in vitro Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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 or setting implements
- 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
- A61B17/00—Surgical instruments, devices or methods
- 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 or setting implements
- 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
- A61B17/8811—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it characterised by the introducer tip, i.e. the part inserted into or onto the bone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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 or setting implements
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/885—Tools for expanding or compacting bones or discs or cavities therein
- A61B17/8852—Tools for expanding or compacting bones or discs or cavities therein capable of being assembled or enlarged, or changing shape, inside the bone or disc
- A61B17/8855—Tools for expanding or compacting bones or discs or cavities therein capable of being assembled or enlarged, or changing shape, inside the bone or disc inflatable, e.g. kyphoplasty balloons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B2017/00004—(bio)absorbable, (bio)resorbable or resorptive
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B2017/0046—Surgical instruments, devices or methods with a releasable handle; with handle and operating part separable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B2017/00831—Material properties
- A61B2017/00867—Material properties shape memory effect
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
The present invention relates to a kind of reinforcement type compression fracture pulling off reset device, including head protector, expansion body, compand handle connects handle, fixed handle；Expansion body is used to strut lesion damaged vertebral body, sets up working chamber, and expansion body can have any shape after strutting；The leading head side wall of head protector is provided with bone cement inlet；Fixed handle is placed in connection handle and compand handle, and be threadedly coupled with the head protector threaded portion of head protector by fixed handle threaded portion, head protector threaded portion is used to be connected and fix with fixed handle, is not dropped with ensuring that the reinforcement type compression fracture pulling off reset device is integrally engaged；When rotary compression expands handle, compand handle motive force forward is given.Reinforcement type compression fracture pulling off reset device of the invention, simple structure is easy to operation；Reduce operation risk；Reduce surgery cost；The reset of centrum can be preferably conducive to, reduce injection pressure；Strengthen the compressive resistance of lesion centrum.
Description
Technical field
The present invention relates to medical instruments field, more particularly to a kind of reinforcement type compression fracture pulling off reset device.
Background technology
Vertebral body balloon expansion plasty is a Minimally invasive procedure operation, is drilled on the limbs of compression, by a spy
The sacculus feeding centrum center of the about 15mm sizes of system, then to inflated, the sacculus of expansion gradually props up the centrum for collapsing,
Until centrum profile returns to normal vertebral body, remove sacculus, then by cavity from the hole to centrum center inject bone cement or
Artificial bone.The strength and stability of centrum can be strengthened after bone cement solidification, will not be compressed this guarantees the centrum for restoring, and
The deformity of backbone is also just repaired.It is that one kind is used to fill and be implanted into gap that vertebral body balloon expands into the bone cement used in art
Or bone cavity and the biomaterial with self-solidifying characteristic, main component is polymethyl methacrylate, and cement reaction can ensure
The instant stabilization of postoperative prosthese.
In the prior art, vertebral body balloon expansion plasty props up the centrum for collapsing using balloon expandable, however, balloon expandable
Controllability it is poor, reset direction is difficult to control to；Meanwhile, also there is the danger of rupture in sacculus.
The content of the invention
In view of the drawbacks described above of prior art, it is an object of the invention to provide a kind of simple structure, it is easy to operate, beneficial to vertebra
The reinforcement type compression fracture pulling off reset device that body resets.
The purpose of the present invention is achieved through the following technical solutions：
A kind of reinforcement type compression fracture pulling off reset device, including head protector, expansion body, compand handle connect hand
Handle, fixed handle；Head protector includes conduit part and head protector threaded portion, and head protector threaded portion is in the end of head protector；Compand handle bag
Include compand pipe and compand handle threads portion；Head protector is placed in expansion body, and expansion body is blocked；Expansion body and compression
Expansion pipe is in contact；Wherein, expansion body is used to strut lesion damaged vertebral body, sets up working chamber, and expansion body can be to appoint after strutting
Meaning shape；The conduit part of head protector is placed in compand pipe；Head protector is interference fits, compand handle with compand handle
Can be slided in head protector；The leading head side wall of head protector is provided with bone cement inlet；Connection handle includes connection handle spiral shell
Line portion；Fixed handle includes fixed handle support bar and fixed handle threaded portion；Compand handle, connection handle are by compression
Expansion handle threads portion is connected with connection handle threads portion；Fixed handle is placed in connection handle and compand handle, and
It is threadedly coupled with the head protector threaded portion of head protector by fixed handle threaded portion, head protector threaded portion is used to be connected with fixed handle
Connect and fix, do not dropped with ensuring that the reinforcement type compression fracture pulling off reset device is integrally engaged；Fixed handle by head protector,
Expansion body and compand handle are connected；When rotary compression expands handle, the promotion forward of compand handle is given
Power.
Further, head protector, the material of expansion body are stainless steel or titanium alloy or memorial alloy or the life of absorbable embedded type
Thing material.
Further, after injecting bone cement in expansion body, expansion body, head protector are stayed inside lesion centrum, expansion body, head protector
Play a part of fixed reinforcement.
Further, sacculus is set inside expansion body, expansion body and sacculus is together implanted into lesion centrum.
Further, the operating method of the reinforcement type compression fracture pulling off reset device, operating procedure is as follows：（1）Rotation
Turn compand handle, compand handle is unscrewed from the connection handle threads portion of connection handle, compand handle is forward
In motion process, expansion body slowly expands into required shape；（2）When expansion body is expanded to required size, compression of stopping the rotation
Expansion handle, now needs to reversely rotate fixed handle, exits fixed handle；（3）By Cement fixation device sleeve pipe from connection handle
Stretch into inside expansion body port；When Cement fixation device sleeve pipe is reached at the bone cement inlet in head protector, from bone cement
Bone cement inlet injection bone cement or the artificial bone of tucker sleeve pipe；While injecting bone cement or artificial bone, can week
Handle is expanded to rotary compression and slowly retreated, until the inside of bone cement or the full whole expansion body of artificial bone filling；（4）By bone
After the completion of cement or artificial bone injection, before bone cement or artificial bone do not solidify, Cement fixation device sleeve pipe, connection handle are exited
And compand handle, expansion body and head protector are stayed inside lesion centrum.
A kind of reinforcement type compression fracture pulling off reset device, including expansion body, compand handle connect handle, Gu
Determine handle；Connection handle includes connection handle threads portion, connection handle ingress pipe and connection handle ingress pipe threaded portion, connection
Handle ingress pipe threaded portion is in the end of connection handle ingress pipe；The end for connecting handle ingress pipe is cross open or rice font
The elastic construction of opening, expansion body is blocked；The leading head side wall for connecting handle ingress pipe is provided with bone cement inlet；Expand
Zhang Tiyu compand pipes are in contact；Wherein, expansion body is used to strut lesion damaged vertebral body, sets up working chamber, and expansion body is strutted
After can have any shape；Compand handle, connection handle are by compand handle threads portion and connection handle threads portion
It is connected；Connection handle ingress pipe is placed in compand pipe；Fixed handle is placed in connection handle and compand handle, and
It is threadedly coupled with the connection handle ingress pipe threaded portion for being connected handle by fixed handle threaded portion；Connection handle ingress pipe
Threaded portion is used to be connected and fix with fixed handle, to ensure that the reinforcement type compression fracture pulling off reset device integrally matches
Conjunction is not dropped；Fixed handle is connected handle, expansion body and compand handle is connected；Fixed handle will connect handle
Internal holes are sealed, in order to avoid when it enters lesion centrum inside, there is centrum interior tissue and block connection handle and compand
Handle end, influences it normally to use；When rotary compression expands handle, compand handle motive force forward is given.Dress
During matching somebody with somebody, when handle is connected by the pipeline of compand handle and expansion body, connect the end of handle ingress pipe to
Inside close up, the pipeline and expansion body of compand handle can be passed through, last three turns into an entirety；Conversely, working as
When connection handle withdraws expansion body, connection handle active force backward need to be only given, you can depart from expansion body, smoothly extract vertebra
Body, and expansion body is stayed inside lesion centrum.
Further, the material of expansion body is stainless steel or titanium alloy or memorial alloy or absorbable embedded type biology material
Material.
Further, after injecting bone cement in expansion body, expansion body is stayed inside lesion centrum, and expansion body plays fixed adding
Strong effect.
Further, sacculus is set inside expansion body, expansion body and sacculus is together implanted into lesion centrum.
Further, the operating method of the reinforcement type compression fracture pulling off reset device, operating procedure is as follows：（1）Rotation
Turn compand handle, compand handle is unscrewed from the connection handle threads portion of connection handle, compand handle is forward
In motion process, expansion body slowly expands into required shape；（2）When expansion body is expanded to required size, compression of stopping the rotation
Expansion handle, now needs to reversely rotate fixed handle, exits fixed handle；（3）By Cement fixation device sleeve pipe from connection handle
Stretch into inside expansion body port；When Cement fixation device sleeve pipe is reached at the bone cement inlet on connection handle ingress pipe
When, inject bone cement or artificial bone from the bone cement inlet of Cement fixation device sleeve pipe；Inject bone cement or artificial bone
While, can rotate in a circumferential direction and connect handle and slowly retreat, until the inside of bone cement or the full whole expansion body of artificial bone filling；
When connection handle is exited back to compand handle, compand handle is exited in vitro together；（4）By bone cement or people
After the completion of the injection of work bone, before bone cement or artificial bone do not solidify, Cement fixation device sleeve pipe, connection handle and compression are exited
Expansion handle, expansion body is stayed inside lesion centrum.
Compared with the existing technology, the features of the present invention and progress are as follows：
1st, reinforcement type compression fracture pulling off reset device of the invention, simple structure, are easy to operation；Reduce operation wind
Danger；Reduce surgery cost；The reset of centrum can be preferably conducive to, reduce injection pressure；Strengthen the compressive resistance of lesion centrum.
2nd, reinforcement type compression fracture pulling off reset device of the invention, can slow down the absorption process of artificial bone, prevent
Artificial bone is collapsed, avoids secondary fracture.
3rd, the expansion body of reinforcement type compression fracture pulling off reset device of the invention, head protector use stainless steel or titanium alloy
Or memorial alloy or absorbable embedded type biomaterial, convenient control corpus vertebrae replacement direction；And expansion body, head protector play fixation
Strengthen the effect of centrum.
Brief description of the drawings
Fig. 1：Each component structural figure of reinforcement type compression fracture pulling off reset device in embodiment 1；
Fig. 2：Reinforcement type compression fracture pulling off reset device section of structure in embodiment 1；
Fig. 3：Reinforcement type compression fracture pulling off reset device structure partial enlarged drawing in embodiment 1（Expansion body is in and expands
The state of opening）；
Fig. 4：Reinforcement type compression fracture pulling off reset device is in the structure chart of original state in embodiment 1；
Fig. 5：Reinforcement type compression fracture pulling off reset device structure chart during rotary compression expansion handle in embodiment 1；
Fig. 6：Reinforcement type compression fracture pulling off reset device structure chart when fixed handle is reversely rotated in embodiment 1；
Fig. 7：Reinforcement type compression fracture pulling off reset device structure chart when fixed handle is exited in embodiment 1；
Fig. 8：Reinforcement type compression fracture distraction reduction dress during Cement fixation device sleeve pipe insertion connection handle in embodiment 1
Put structure chart；
Fig. 9：Expansion body, the head protector structure chart inside lesion centrum are stayed in embodiment 1；
Figure 10：The structure chart of handle is connected in embodiment 2；
Figure 11：The partial enlarged drawing of handle end is connected in embodiment 2；
Figure 12：The connection handle and compand handle connecting structure figure of expansion body are installed in embodiment 2；
Figure 13：Reinforcement type compression fracture pulling off reset device is in the structure chart of original state in embodiment 2；
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
Embodiment 1：
As Figure 1-3, the reinforcement type compression fracture pulling off reset device, including head protector 1, expansion body 2, compand
Handle 3, connects handle 4, fixed handle 5；Head protector 1 includes conduit part 6 and head protector threaded portion 12, and head protector threaded portion 12 is in head protector 1
End；Compand handle 3 includes compand pipe 7 and compand handle threads portion 8；Head protector 1 is placed in expansion body 2,
And block expansion body 2；Expansion body 2 is in contact with compand pipe 7；Wherein, expansion body 2 is used to strut lesion damaged vertebral body,
Working chamber is set up, expansion body 2 can have any shape after strutting；The conduit part 6 of head protector 1 is placed in compand pipe 7；Head protector 1
It is interference fits with compand handle 3, compand handle 3 can be slided in head protector 1；The leading head side wall of head protector 1
It is provided with bone cement inlet 13；Connection handle 4 includes connection handle threads portion 9；Fixed handle 5 includes fixed handle support bar
11 and fixed handle threaded portion 10；Compand handle 3, connection handle 4 are by compand handle threads portion 8 and connection handle
Threaded portion 9 is connected；Fixed handle 5 is placed in connection handle 4 and compand handle 3, and by fixed handle threaded portion 10
It is threadedly coupled with the head protector threaded portion 12 of head protector 1（The fixed handle support bar 11 of fixed handle 5 and solid not shown in Fig. 3
Determine handle threads portion 10）, head protector threaded portion 12 is used to be connected with fixed handle 5 and fixed, to ensure the reinforcement type compressibility
Fracture pulling off reset device is integrally engaged and does not drop；Fixed handle 5 is by head protector 1, expansion body 2 and the phase of compand handle 3
Connection；When rotary compression expands handle 3, the motive force forward of compand handle 3 is given.
Further, head protector 1, the material of expansion body 2 are stainless steel or titanium alloy or memorial alloy or absorbable embedded type
Biomaterial.
Further, after injecting bone cement in expansion body 2, expansion body 2, head protector 1 are stayed inside lesion centrum, expansion body 2,
Head protector 1 plays a part of fixed reinforcement.
Further, the operating method of the reinforcement type compression fracture pulling off reset device, operating procedure is as follows：（1）Such as
Shown in Fig. 4-5, rotary compression expansion handle 3 makes compand handle 3 unscrew from the connection handle threads portion 9 of connection handle 4,
In the forward movement of compand handle 3, expansion body 2 slowly expands into required shape；（2）As shown in fig. 6-7, expansion body is worked as
2 when being expanded to required size, and stop the rotation compand handle 3, now needs to reversely rotate fixed handle 5, exits fixed handle
5；（3）As shown in figure 8, Cement fixation device sleeve pipe 14 is stretched into inside expansion body 2 from connection handle 4 port；Work as bone cement
Tucker sleeve pipe 14 is reached when at the bone cement inlet 13 in head protector 1, is injected from the bone cement of Cement fixation device sleeve pipe 14
Mouthful（Female Luer）15 injection bone cement or artificial bones；While injecting bone cement or artificial bone, can rotate in a circumferential direction compression
Expansion handle 3 is simultaneously slowly retreated, until the inside of bone cement or the full whole expansion body 2 of artificial bone filling；（4）As shown in figure 9, will
After the completion of bone cement or artificial bone injection, before bone cement or artificial bone do not solidify, Cement fixation device sleeve pipe 14, connection are exited
Handle 4 and compand handle 3, expansion body 2 and head protector 1 are stayed inside lesion centrum.
Embodiment 2：
The reinforcement type compression fracture pulling off reset device, including expansion body 16, compand handle 17 connect handle
18, fixed handle 19；Wherein expansion body 16, compand handle 17, fixed handle 19 respectively with embodiment 1 in expansion body 2,
Compand handle 3, the structure of fixed handle 5 are identical, as shown in figs. 10-11, connection handle 18 include connection handle threads portion 20,
Connection handle ingress pipe 21 and connection handle ingress pipe threaded portion 24, connection handle ingress pipe threaded portion 24 is led in connection handle
Enter the end of pipe 21；The end of connection handle ingress pipe 21 is cross open or the elastic construction of rice font opening, by expansion body
16 block；The leading head side wall of connection handle ingress pipe 21 is provided with bone cement inlet 23；As illustrated by figs. 12-13, expand
Body 16 is in contact with compand pipe 22；Wherein, expansion body 16 is used to strut lesion damaged vertebral body, sets up working chamber, expansion body
16 strut after can have any shape；Compand handle 17, connection handle 18 pass through compand handle threads portion and connection
Handle threads portion 20 is connected；Connection handle ingress pipe 21 is placed in compand pipe 22；Fixed handle 18 is placed in connection handle
18 and compand handle 17 in, and by fixed handle threaded portion and the connection handle ingress pipe threaded portion 24 for being connected handle 18
It is threadedly coupled；Connection handle ingress pipe threaded portion 24 is used to be connected with fixed handle 19 and fixed, to ensure the reinforcing
Type compression fracture pulling off reset device is integrally engaged and does not drop；Fixed handle 19 will connect handle 18, expansion body 16 and
Compand handle 17 is connected；Fixed handle 19 will connect the internal holes sealing of handle 18, in order to avoid when it enters lesion centrum
When internal, there is centrum interior tissue etc. and block connection handle 18 and the end of compand handle 17, influence it normally to use；When
During rotary compression expansion handle 17, the motive force forward of compand handle 17 is given.In assembling process, when connection handle 18 leads to
When the pipeline and expansion body 16 of overcompression expansion handle 17, the end of connection handle ingress pipe 21 inwardly closes up, can be suitable
Pipeline and expansion body 16 that profit passes through compand handle 17, last three turn into an entirety；Conversely, when connection handle 18 is removed
During from expansion body 16, connection handle 18 active force backward need to be only given, you can depart from expansion body 16, by connection handle 18 from vertebra
Extracted in body, and expansion body 16 is stayed inside lesion centrum.
Further, the material of expansion body 16 is stainless steel or titanium alloy or memorial alloy or absorbable embedded type biology material
Material.
Further, after injecting bone cement in expansion body 16, expansion body 16 is stayed inside lesion centrum, and expansion body 16 is played
The fixed effect strengthened.
Further, the operating method of the reinforcement type compression fracture pulling off reset device, operating procedure is as follows：（1）Rotation
Turn compand handle 17, compand handle 17 is unscrewed from the connection handle threads portion 20 of connection handle 18, compand
In the forward movement of handle 17, expansion body 16 slowly expands into required shape；（2）When expansion body 16 is expanded to required size
When, stop the rotation compand handle 17, now needs to reversely rotate fixed handle 19, exits fixed handle 19；（3）By bone cement
Tucker sleeve pipe 14 is stretched into inside expansion body 16 from connection handle 18 port；When Cement fixation device sleeve pipe 14 reaches connection hand
When at the bone cement inlet 23 on handle ingress pipe 21, from the bone cement inlet of Cement fixation device sleeve pipe 14（Female Luer）
15 injection bone cement or artificial bones；While injecting bone cement or artificial bone, the connection handle 18 that can rotate in a circumferential direction is simultaneously slow
Retreat, until the inside of bone cement or the full whole expansion body 16 of artificial bone filling；Expand when connection handle 18 is exited back to compression
When opening handle 17, compand handle 17 is exited in vitro together；（4）After the completion of by bone cement or artificial bone injection, in bone water
Before mud or artificial bone do not solidify, Cement fixation device sleeve pipe 14, connection handle 18 and compand handle 17 are exited, will expanded
Body 16 is stayed inside lesion centrum.
Embodiment 3：
Further the reinforcement type compression fracture pulling off reset device of embodiment 1 or embodiment 2 is improved, in expansion
Internal portion sets sacculus, expansion body and sacculus is together implanted into lesion centrum, to improve the reliability of operation.
Claims (8)
1. a kind of reinforcement type compression fracture pulling off reset device, it is characterised in that including head protector（1）, expansion body（2）, compression
Expansion handle（3）, connect handle（4）, fixed handle（5）；Head protector 1 includes conduit part（6）With head protector threaded portion（12）, head protector spiral shell
Line portion（12）In head protector（1）End；Compand handle（3）Including compand pipe（7）With compand handle threads portion
（8）；Head protector（1）It is placed in expansion body（2）In, and by expansion body（2）Block；Expansion body（2）With compand pipe（7）It is in contact；
Wherein, expansion body（2）For strutting lesion damaged vertebral body, working chamber, expansion body are set up（2）Be can have any shape after strutting；
Head protector（1）Conduit part（6）It is placed in compand pipe（7）In；Head protector（1）With compand handle（3）It is interference fits, compression
Expansion handle（3）Can be in head protector（1）Upper slip；Head protector（1）Leading head side wall be provided with bone cement inlet（13）；Even
Connecting handle（4）Including connection handle threads portion（9）；Fixed handle（5）Including fixed handle support bar（11）With fixed handle spiral shell
Line portion（10）；Compand handle（3）, connection handle（4）By compand handle threads portion（8）With connection handle threads portion
（9）It is connected；Fixed handle（5）It is placed in connection handle（4）With compand handle（3）In, and by fixed handle threaded portion
（10）With head protector（1）Head protector threaded portion（12）It is threadedly coupled, head protector threaded portion（12）For with fixed handle（5）It is connected
Connect and fix, do not dropped with ensuring that the reinforcement type compression fracture pulling off reset device is integrally engaged；Fixed handle（5）Will shield
Head（1）, expansion body（2）And compand handle（3）It is connected；When rotary compression expands handle（3）When, give compand
Handle（3）Motive force forward.
2. reinforcement type compression fracture pulling off reset device according to claim 1, it is characterised in that head protector（1）, expansion
Body（2）Material can be stainless steel or titanium alloy or memorial alloy or absorbable embedded type biomaterial.
3. reinforcement type compression fracture pulling off reset device according to claim 2, it is characterised in that expansion body（2）In
After injection bone cement, expansion body（2）, head protector（1）Stay inside lesion centrum, expansion body（2）, head protector（1）Play fixed reinforcement
Effect.
4. according to the reinforcement type compression fracture pulling off reset device that one of claim 1-3 is described, it is characterised in that in expansion
Internal portion sets sacculus, and expansion body and sacculus are together implanted into lesion centrum.
5. a kind of reinforcement type compression fracture pulling off reset device, it is characterised in that including expansion body（16）, compand handle
（17）, connect handle（18）, fixed handle（19）；Connection handle（18）Including connection handle threads portion（20）, connection handle lead
Enter pipe（21）And connection handle ingress pipe threaded portion（24）, connection handle ingress pipe threaded portion（24）In connection handle ingress pipe
（21）End；Connection handle ingress pipe（21）End be the elastic construction of cross open or rice font opening, by expansion body
（16）Block；Connection handle ingress pipe（21）Leading head side wall be provided with bone cement inlet（23）；Expansion body（16）With
Compand pipe（22）It is in contact；Wherein, expansion body（16）For strutting lesion damaged vertebral body, working chamber, expansion body are set up
（16）Be can have any shape after strutting；Compand handle（17）, connection handle（18）By compand handle threads portion
With connection handle threads portion（20）It is connected；Connection handle ingress pipe（21）It is placed in compand pipe（22）In；Fixed handle
（19）It is placed in connection handle（18）With compand handle（17）In, and by fixed handle threaded portion be connected handle（18）'s
Connection handle ingress pipe threaded portion（24）It is threadedly coupled；Connection handle ingress pipe threaded portion（24）For with fixed handle
（19）It is connected and fixes, is not dropped with ensuring that the reinforcement type compression fracture pulling off reset device is integrally engaged；Fixed hand
Handle（19）Handle will be connected（18）, expansion body（16）And compand handle（17）It is connected；Fixed handle（19）Will connection
Handle（18）Internal holes sealing, in order to avoid when its enter lesion centrum inside when, there is centrum interior tissue and block connection handle
（18）With compand handle（17）End, influences it normally to use；When rotary compression expands handle（17）When, give compression and expand
Open handle（17）Motive force forward；In assembling process, when connection handle（18）By compand handle（17）Pipeline with
And expansion body（16）When, connect handle ingress pipe（21）End inwardly close up, compand handle can be passed through
（17）Pipeline and expansion body（16）, last three is as an entirety；Conversely, when connection handle（18）Withdraw expansion body（16）
When, only need to give connection handle（18）Active force backward, you can depart from expansion body（16）, centrum is smoothly extracted, and will expansion
Body（16）Stay inside lesion centrum.
6. reinforcement type compression fracture pulling off reset device according to claim 5, it is characterised in that expansion body（16）'s
Material is can stainless steel or titanium alloy or memorial alloy or absorbable embedded type biomaterial.
7. reinforcement type compression fracture pulling off reset device according to claim 6, it is characterised in that expansion body（16）In
After injection bone cement, expansion body（16）Stay inside lesion centrum, expansion body（16）Play a part of fixed reinforcement.
8. the reinforcement type compression fracture pulling off reset device according to claim 6 or 7, it is characterised in that in expansion body
Inside sets sacculus, and expansion body and sacculus are together implanted into lesion centrum.
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| CN201510569320.3A CN105286975B (en) | 2015-09-09 | 2015-09-09 | A kind of reinforcement type compression fracture pulling off reset device |
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| US10314632B2 (en) * | 2016-10-07 | 2019-06-11 | Medtronic Holding Company Sárl | Surgical system and methods of use |
| CN109717910A (en) * | 2019-03-13 | 2019-05-07 | 霍建忠 | A kind of Lantern pyramidal support biopsy device |
| CN111973141A (en) * | 2020-09-02 | 2020-11-24 | 无锡市妇幼保健院 | Cervical dilator for obstetrical department |
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