CN104815387B - A kind of vertebral body augmentation formation system - Google Patents
A kind of vertebral body augmentation formation system Download PDFInfo
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- CN104815387B CN104815387B CN201510183502.7A CN201510183502A CN104815387B CN 104815387 B CN104815387 B CN 104815387B CN 201510183502 A CN201510183502 A CN 201510183502A CN 104815387 B CN104815387 B CN 104815387B
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- sleeve pipe
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Abstract
The present invention relates to a kind of vertebral body augmentation formation system, including：Balloon catheter for expanding vertebra, balloon dilatation pressure pump, combined probe sleeve pipe, expanded casing, drill bit and Cement fixation device.The orientation sleeve pipe of the balloon catheter for expanding vertebra is used and is detachably connected, including sleeve pipe and orientation catch, sets different length L orientation catch；The sleeve pipe also serves as the protection sleeve pipe of expanded casing.In the upper and lower sides of inner catheter, 10 ~ 15 holes for being passed through contrast agent are set respectively；Inner catheter and probe are arranged through sacculus, and are gripped inner catheter and probe by hold assembly；Set fluted in sacculus and conduit connection, and O sealing rings are placed in a groove；Noise reducing type check valve is used on balloon dilatation pressure pump.The vertebral body augmentation formation system of the present invention has crushes the convenient regulation vertebral plasty position in position according to centrum, and noise is small, service life is higher, the restorative good advantage that is convenient for changing fragile part, centrum.
Description
Technical field
The present invention relates to medical instruments field, more particularly to a kind of centrum used in percutaneous vertebroplasty
Expand formation system.
Background technology
Osteoporotic vertebral fracture is the common disease of harm the elderly's health, for vertebral compression bone
Folding, traditional treatment method based on conservative, including lie up, it is medicine analgesic, fixed etc. outside brace, be easily caused entering for bone amount
One step is lost, and aggravates osteoporosis, so as to form vicious circle；And open surgery is often in poor shape because of systemic, spiral shell
Follow closely fixing intensity not enough, be easily caused Unstable internal fixation.Percutaneous vertebroplasty is treatment vertebral compression conventional at present
The method of fracture, after being treated using percutaneous vertbroplasty, Principle of Pain is alleviated, but this treatment method is not solved
Certainly kyphosis deformity caused by vertebral compression fracture.Humpback can have a negative impact in many aspects.Humpback makes patient
The reach of heavy burden center so that patient off balance, adds the danger fallen down, so that injured Potential feasibility increases
Plus.The change at patient's heavy burden center also increases the load that centrum is born, and centrum is easily fractured.After being mitigated or eliminated
Convex deformity, generates a kind of new operation method at present, convex plasty after being referred to as.This method is that the device of sacculus sample is percutaneous
Compression fracture is inserted, the device is expanded, so as to raise soleplate, recovers vertebral height.Traditional vertebral body augmentation formation system lacks
Putting is：The sacculus of balloon catheter for expanding vertebra can expand to surrounding in no direction after the developer by injecting certain volume,
Inside vertebral fracture, the relative pressure that the centrum ruptured after fracture is formed to sacculus is smaller and uneven, and sacculus is swollen in compression
It will select, to the less place expansion of pressure, thus very likely to aggravate the fracture and injury journey at broken position during swollen
Degree, or even cause refracture, so that making patients' state of an illness.
Patent application 2011101710466 is provided with forwardly convex orientation catch using the head of orientation sleeve pipe, so
Sacculus can be made to be expanded to distraction reduction direction set in advance, so that the fracture and injury degree that centrum crushes position will not be aggravated.
But can have more problem during practical operation, because the extruding sacculus for orienting catch is easily ground in balloon inflation
Damage, meanwhile, orientation catch is easily damaged by the extruding of balloon pressure, in surgical procedure, and when needing, regulation sacculus is swollen
During swollen direction, due to orientation catch in vivo, it is impossible to which convenient regulation orientation catch limits the direction of sacculus；Catch is oriented simultaneously
Thinner thickness, when the sacculus bulbs of pressure are larger, may result in orientation catch and fractures, have a strong impact on the progress of operation；Sacculus
There can be backflow during expansion or retraction orients the trend of sleeve pipe, sacculus expansion direction can not be limited in the region inside vertebra,
A small amount of cancellous bone can only be extruded；In addition, during foley's tube is put into orientation sleeve pipe, being not in the sacculus of swelling state
Body is easily distorted deformation, is likely to result in sacculus damage, influences the progress of operation；During balloon expandable, ball contrast agent
There is limitation when easily being leaked in balloon tip, thus treatment of vertebral bodies is carried out using the device.
Larger noise, shadow are often produced in the balloon dilatation pressure pump operating process of existing vertebral body augmentation formation system
Ring the mood of patient.
The content of the invention
In view of the drawbacks described above of prior art, the convenient tune in position can be crushed it is an object of the invention to provide one kind according to centrum
Vertebral plasty position is saved, and noise is small, security reliability is high, the restorative good vertebral body augmentation formation system of centrum.
The purpose of the present invention is achieved through the following technical solutions：
A kind of vertebral body augmentation formation system, the system includes：Balloon catheter for expanding vertebra, balloon dilatation pressure pump, group
Box-like probe casing, expanded casing, drill bit and Cement fixation device；Balloon catheter for expanding vertebra, including：Conduit, conduit
One end is connected with Y-connection, and the other end of conduit is connected with sacculus, probe through a joint on Y-connection and
It is extend into after conduit in sacculus, the head of probe is provided with radiographic marker, floor is set at Y-connection, increase centrum is expanded
Open the intensity of foley's tube；The middle part of conduit is provided with two spacing marker loops, and it is recessed that the junction of conduit and sacculus is provided with annular
Groove, and O-ring seal is placed with annular groove, probe is provided with the inner catheter that is internally provided with of conduit, inner catheter,
The upper and lower sides of inner catheter set 10 ~ 15 holes for being passed through contrast agent respectively, and balloon interior is provided with hold assembly, the right side of probe
In the blind hole of end insertion hold assembly, the right part of probe is fitted close with the blind hole, the axle insertion inner catheter of hold assembly
Right part endoporus in, the axle and the endoporus are fitted close, and protrusion threaded portion is additionally provided with hold assembly, is set outside sacculus
It is equipped with the right side of tapped plug part, plug part and is set to curved end, the internal thread and clamping part of plug part
Protrusion threaded portion on part carries out screw thread cooperation, and the balloon portion between plug part and hold assembly is fixedly connected, in order to
The sealing of sacculus is improved, O-ring seal also is set between plug part and hold assembly, orienting cover is also set with outside conduit
Pipe；In order to improve the service life of sacculus, coating is provided with sacculus, its wearability is improved；Orienting sleeve pipe includes protective case
It is provided with the right side of pipe, orientation catch, orientation sleeve pipe on the left of forwardly convex orientation catch, protection sleeve pipe and is provided with handle,
It is fixed provided with that can make to be provided with external thread part on the right side of the endoporus that balloon catheter for expanding vertebra passes through, protection sleeve pipe in protection sleeve pipe
The catch portion of being provided with is provided with the right side of internal thread part, orientation catch on the left of to catch, and protection sleeve pipe, orientation catch pass through outer
Threaded portion is threadedly coupled with internal thread part, and orientation catch is located on the outside of sacculus；It is detachable due to orienting catch with protection sleeve pipe
Connection, the length dimension L for orienting the catch portion of catch selects different sizes according to the situation of patient's vertebral fracture, orients catch
Material be flexible material, the corner in catch portion is all the direction that a sign sacculus expansion is made on arc chord angle, handle
Mark, to facilitate the direction that sacculus expansion is adjusted in surgical procedure；Balloon dilatation pressure pump include operation handle, sleeve, piston,
Pressure gauge, connecting tube, piston are closely slidably matched with sleeve, and pressure gauge is provided with the right side of sleeve, for observing real-time prison
The pressure value of contrast agent is surveyed, the tail end of sleeve, which is connected with connecting tube, connecting tube, is provided with noise reducing type check valve, with noise reducing type list
The interface being connected to valve is connected with the interface of balloon catheter for expanding vertebra；It is provided with noise reducing type check valve, including valve body, valve body
Valve element is provided with circulation passage, circulation passage, circulation passage porch is provided with the fixed block being arranged on valve body, fixed block and valve
Sealing ring is provided between core, the exit of circulation passage is provided with the steady block being arranged on valve body；Valve element, which is provided with, is used for valve element
The spring of reset, valve element is provided with stop collar；There is combined probe sleeve pipe puncture probe and spiral to be socketed in the sleeve pipe outside it,
Puncture probe needle point stretches out sleeve pipe, and guide wire is the slender cylinder with obtuse angle tip；Expanded casing have expanding pilot pipe,
Protection sleeve pipe, protection sleeve pipe is both as the part of orientation sleeve pipe, and be used as the part of expanded casing；Outside drill bit, expanding pilot pipe
Footpath is identical with outside diameter, matches with protection sleeve pipe internal diameter, and Cement fixation utensil has filling sleeve pipe and filling push rod, and filling is pushed away
Bar be slidably arranged in filling sleeve pipe in, fill push rod external diameter of rod body with filling casing inner diameter match, fill sleeve pipe external diameter with
The protection sleeve pipe internal diameter of expanded casing matches；The puncture probe left end of combined probe sleeve pipe is provided with probe handle, sleeve pipe left end
Provided with sleeve handle, probe handle can be locked with sleeve handle by spiral rotating locking mechanism；The expansion of expanded casing
Guiding tube left end is provided with expanding pilot pipe handle, and drill bit left end is provided with drill bit handle, handle and the expanding pilot pipe of protection sleeve pipe
Handle can be threaded connection with；The filling sleeve pipe left end of Cement fixation device is provided with filling sleeve pipe handle, and filling push rod left end, which is provided with, to be filled out
Fill putter grip.
Compared with the existing technology, the features of the present invention and progress are as follows：
1st, coating is provided with sacculus, its wearability is improved, the service life of sacculus is improved, ball is caused with anti-misoperation
Capsule ruptures, and influences surgical procedure.
2nd, because balloon expandable exceedes the front end of orientation catch, when front end is set to obtuse angle or acute angle, ball is easily caused
The damage of capsule, thus the corner for orienting catch is designed as arc chord angle, orientation catch is set to flexible material, sacculus turgor pressure
It when power is larger, also can be not easily broken orientation catch.
3rd, the damage of orientation sleeve pipe, which is mainly, orients catch part, the structure that orientation sleeve pipe is designed as being detachably connected,
Including sleeve pipe and orientation catch, when orienting catch damage, as long as exchanging orientation catch for, meanwhile, according to patient's vertebral fracture
Situation, sets different length L orientation catch, is conveniently replaced；The sleeve pipe also serves as the protection sleeve pipe of expanded casing, so
Parts, and the convenient orientation catch for replacing damage can be saved.
4th, in operative process, it may be necessary to adjust the direction of sacculus expansion, one is made on the handle for orienting sleeve pipe
The mark in the direction of individual sign sacculus expansion, to facilitate the direction that sacculus expansion is adjusted in surgical procedure.
5th, in order to which the state that ensures to stay calm in patient's surgical procedure when operating balloon dilatation pressure pump, it is necessary to keep peace
Quiet state, often produces larger noise during common non-return valve operational, influence the mood of patient, therefore is by one-way valve designs
Noise reducing type check valve, smoothly passes the fluid passed through.Stop collar plays a part of protecting valve element, and valve element and the contact of steady block are made
The surface of shadow agent is fairing ace, can reduce noise phenomena, spring can auxiliary spool close, make the valve element shut-in time
It is short, it can realize that speed closes function, using the structure of steady block, can make contrast agent more smoothly through circulation passage, noise is small,
Flow resistance is small.Meanwhile, 10 ~ 15 holes for being passed through contrast agent are set respectively in the upper and lower sides of inner catheter, can so make to be passed through contrast agent
Compare steady, reduce noise.
If the 6, inner catheter and probe are set to be not passed through sacculus, during foley's tube is put into protection sleeve pipe, not
Sacculus body in swelling state is easily distorted deformation, is likely to result in sacculus damage, the progress of operation is influenceed, by inner catheter
Sacculus is arranged through with probe, and is gripped inner catheter and probe by hold assembly, torsional deformation is avoided that, prevents
Sacculus is damaged.
7th, plug part and hold assembly carry out screw thread cooperation, and are sealed sacculus between the two using O-ring seal
It is fixed, improve its sealing effectiveness.
Can be flowed back when the 8th, being expanded due to sacculus or retraction orient sleeve pipe trend, be provided with sacculus and conduit connection recessed
Groove, and O sealing rings are placed in a groove, at this moment, a counter-force is provided when sacculus expands, by sacculus wholly or largely
It is limited in vertebra interior zone.So as to which sacculus extrudes cancellous bone as much as possible, beneficial to the recovery of centrum.
Brief description of the drawings
Fig. 1：The structural representation of balloon catheter for expanding vertebra；
Fig. 2：The enlarged drawing of the partial sectional view of balloon catheter for expanding vertebra
Fig. 3：The structural representation of protection sleeve pipe；
Fig. 4：Orient the structural representation of catch；
Fig. 5：The structural representation of balloon dilatation pressure pump；
Fig. 6：The enlarged drawing of the sectional view of noise reducing type check valve；
Fig. 7：The structural representation of combined probe sleeve pipe；
Fig. 8：The structural representation of guide wire；
Fig. 9：The structural representation of expanded casing；
Figure 10：The structural representation of drill bit；
Figure 11：The structural representation of Cement fixation device.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
As shown in figs. 1-11, a kind of vertebral body augmentation formation system, the system includes：Balloon catheter for expanding vertebra 1, sacculus
Dilatation pressure pump 2, combined probe sleeve pipe 3, expanded casing 4, drill bit 5 and Cement fixation device 6.
As shown in Figure 1-2, balloon catheter for expanding vertebra 1, including：Conduit 10, one end of conduit 10 is connected with Y-connection
9, the other end of conduit 10 is connected with sacculus 14, and probe 7 is stretched into after passing through a joint and conduit 10 on Y-connection 9
Into sacculus 14, the head of probe 7 is provided with radiographic marker 19, and floor 8 is set at Y-connection 9, increases vertebral body augmentation ball
The intensity of ductus bursae 1；The middle part of conduit 10 is provided with two spacing marker loops 11,12, the junction setting of conduit 10 and sacculus 14
There is annular groove, and O-ring seal 17 is placed with annular groove, be internally provided with inner catheter 16 in conduit 10, inside lead
Probe 7 is provided with pipe 16, the upper and lower sides of inner catheter 16 set 10 ~ 15 holes for being passed through contrast agent 18 respectively, in sacculus 14
Portion is provided with hold assembly 20, the blind hole 22 of the right part insertion hold assembly 20 of probe 7, and the right part of probe 7 is blind with this
Hole 22 is fitted close, and in the endoporus of the right part of the insertion inner catheter 16 of axle 23 of hold assembly 20, the axle 23 and the endoporus are close
Coordinate, protrusion threaded portion is additionally provided with hold assembly 20, tapped plug part 21, plug are provided with outside sacculus 14
The right side of part 21 is set to curved end, and internal thread and the protrusion threaded portion on hold assembly 20 of plug part 21 carry out spiral shell
Line coordinates, and the balloon portion between plug part 21 and hold assembly 20 is fixedly connected, in order to improve the sealing of sacculus, also
O-ring seal 15 is set between plug part 21 and hold assembly 20, sleeve pipe 13 is oriented in outer be also set with of conduit 10；In order to carry
The service life of high sacculus, coating is provided with sacculus 14, improves its wearability；As shown in Figure 3-4, orientation sleeve pipe 13 includes
Protection sleeve pipe 28, orientation catch 27, the right side of orientation sleeve pipe 13 are provided with forwardly convex orientation catch 27, protection sleeve pipe 28
Left side is provided with handle 24, protection sleeve pipe 28 provided with the endoporus 25 that can pass through balloon catheter for expanding vertebra 1, protection sleeve pipe 28
Right side be provided with external thread part 26, the left side of orientation catch 27 is provided with internal thread part 29, and the right side of orientation catch 27 is set
There is catch portion 30, protection sleeve pipe 28, orientation catch 27 are threadedly coupled by external thread part 26 with internal thread part 29, orient catch 27
Positioned at the outside of sacculus 14；Because orientation catch 27 and protection sleeve pipe 28 are to be detachably connected, the catch portion 30 of catch 27 is oriented
Length dimension L selects different sizes according to the situation of patient's vertebral fracture, and the material of orientation catch 27 is flexible material, catch
The corner in portion 30 is all the mark that the direction that a sign sacculus 14 expands is made on arc chord angle, handle 24, to facilitate operation
During regulation sacculus 14 expand direction.
As shown in figure 5, balloon dilatation pressure pump 2 includes operation handle 31, sleeve 32, piston 33, pressure gauge 34, connecting tube
35, piston 33 is closely slidably matched with sleeve 32, and the right side of sleeve 32 is provided with pressure gauge 34, is made for observing monitoring in real time
The pressure value of shadow agent, the tail end of sleeve 32, which is connected with connecting tube 35, connecting tube 35, is provided with noise reducing type check valve 36, with noise reduction
The connected interface 37 of type check valve 36 is connected with the interface 46 of balloon catheter for expanding vertebra 1；Noise reducing type check valve 36 it is specific
Structure is as shown in fig. 6, noise reducing type check valve 36, including valve body 38, is provided with circulation passage 39, circulation passage 39 and sets in valve body 38
There is valve element 40, the porch of circulation passage 39 is provided with the fixed block 41 being arranged on valve body 38, set between fixed block 41 and valve element 40
There is sealing ring 42, the exit of circulation passage 39 is provided with the steady block 44 being arranged on valve body 38.Valve element 40, which is provided with, is used for valve
The spring 43 that core 40 resets, valve element 43 is provided with stop collar 45.
As illustrated in figures 7-11, there is combined probe sleeve pipe 3 puncture probe 50 and spiral to be socketed in the sleeve pipe 49 outside it, wear
Spy the needle point of pin 50 and stretch out sleeve pipe 49, guide wire 51 is the slender cylinder with obtuse angle tip；Expanded casing 4 draws with expansion
Conduit 53, protection sleeve pipe 28, protection sleeve pipe 28 is both as the part of orientation sleeve pipe 13, and be used as the part of expanded casing 4；Drill bit
5, the external diameter of expanding pilot pipe 53 is identical with the external diameter of drill bit 5, matches with the internal diameter of protection sleeve pipe 28, and Cement fixation device 6 has filling
Sleeve pipe 58 and filling push rod 59, filling push rod 59 are slidably arranged in filling sleeve pipe 58, fill the external diameter of rod body of push rod 59 with filling out
The matching of the internal diameter of sleeve pipe 58 is filled, the internal diameter of protection sleeve pipe 28 of the external diameter and expanded casing 4 of filling sleeve pipe 58 matches；Combined probe set
The left end of puncture probe 50 of pipe 3 is provided with probe handle 47, and the left end of sleeve pipe 49 is provided with sleeve handle 48, probe handle 47 and sleeve handle
Hand 48 can be locked by spiral rotating locking mechanism；The left end of expanding pilot pipe 53 of expanded casing 4 is provided with expanding pilot pipe
Handle 52, the left end of drill bit 5 is provided with drill bit handle 54, and handle 24 and the expanding pilot pipe handle 52 of protection sleeve pipe 28 can screw thread companies
Connect；The left end of filling sleeve pipe 58 of Cement fixation device 5 is provided with filling sleeve pipe handle 57, and filling push rod 59 left end is provided with filling push rod
Handle 56.
During operation, under C-arm X-ray machine perspective, positive side position determines to hinder vertebra pedicle locations, and marks；Routine disinfection
Auxiliary towel, 0.3cm or so osculum is cut in mark point, with combined probe sleeve pipe 3 under the monitoring of C-arm X-ray machine, by hindering vertebra vertebra
Nut enters from rear outside hinders vertebra centrum (about 2mm)；Puncture probe 50 is removed, allows sleeve pipe 49 to stay in the body；Put from sleeve pipe 49
Enter guide wire 51, then remove sleeve pipe 49；Under the guiding of guide wire 51, insertion expanding pilot pipe 53 and the protective case being socketed outside it
Pipe 28, the rotatable entrance of protection sleeve pipe 28, to reduce resistance；Expanding pilot pipe 53 and guide wire 51 are then taken out, protective case is stayed
Pipe 28 in vivo, is used as service aisle；With drill bit 5 by protection sleeve pipe 28, the bone passage of centrum is enlarged；Take out and bore
First 5, guide wire 51 is inserted in protection sleeve pipe 28；Protection sleeve pipe 28 is taken out, and installs orientation catch 27；Draw in guide wire 51
Lead down, the protection sleeve pipe 28 with orientation catch 27 is inserted according to distraction reduction direction set in advance；The vertebra of extraction vacuum
The sacculus 14 of body expansion of balloon catheter 1 is inserted inside centrum by the protection sleeve pipe 28 with orientation catch 27, uses balloon expandable
Compression pump 2 injects contrast agent into sacculus 14, progressively dilating sacculus 14, increase contrast agent 0.25ml, and stopping frequently every time
Get off to check whether pressure reduces in sacculus 14, if there is osteoporosis, it may appear that pressure rises slow, balloon system pressure
It should control below 12 big pressure, satisfied expansion effect can be reached, sacculus 14 is expanded to operation and requires that degree can stop
Only expand, evacuating developer makes sacculus 14 bounce back to removal balloon catheter for expanding vertebra 1 after vacuum；Same method carries out offside behaviour
Make.The Cement fixation device 6 for being prefilled with bone cement is supported to centrum internal cavity leading edge by service aisle, bone cement is injected,
0.25ml more than the general amount than dilating sacculus contrast agent of bone cement consumption；This process should be carried out under the perspective of C-arm X-ray machine；
After filling is finished, all instruments, conventional skin suture are removed.
Claims (1)
1. a kind of vertebral body augmentation formation system, the system includes：Balloon catheter for expanding vertebra, balloon dilatation pressure pump, combination
Formula probe casing, expanded casing, drill bit and Cement fixation device；Balloon catheter for expanding vertebra, including：Conduit, the one of conduit
End is connected with Y-connection, and the other end of conduit is connected with sacculus, and probe is through a joint on Y-connection and leads
It is extend into after pipe in sacculus, the head of probe is provided with radiographic marker, floor is set at Y-connection, increases vertebral body augmentation
The intensity of foley's tube；The middle part of conduit is provided with two spacing marker loops, and the junction of conduit and sacculus is provided with annular groove,
And O-ring seal is placed with annular groove, and probe is provided with the inner catheter that is internally provided with of conduit, inner catheter, it is interior
The upper and lower sides of conduit set 10 ~ 15 holes for being passed through contrast agent respectively, and balloon interior is provided with hold assembly, the right-hand member of probe
In the blind hole of portion's insertion hold assembly, the right part of probe is fitted close with the blind hole, the axle insertion inner catheter of hold assembly
In the endoporus of right part, the axle is fitted close with the endoporus, and protrusion threaded portion is additionally provided with hold assembly, is set outside sacculus
Have and curved end is set on the right side of tapped plug part, plug part, the internal thread and hold assembly of plug part
On protrusion threaded portion carry out screw thread cooperation, the balloon portion between plug part and hold assembly is fixedly connected, in order to carry
The sealing of high sacculus, also sets O-ring seal between plug part and hold assembly, orienting cover is also set with outside conduit
Pipe；In order to improve the service life of sacculus, coating is provided with sacculus, its wearability is improved；Orienting sleeve pipe includes protective case
It is provided with the right side of pipe, orientation catch, orientation sleeve pipe on the left of forwardly convex orientation catch, protection sleeve pipe and is provided with handle,
It is fixed provided with that can make to be provided with external thread part on the right side of the endoporus that balloon catheter for expanding vertebra passes through, protection sleeve pipe in protection sleeve pipe
The catch portion of being provided with is provided with the right side of internal thread part, orientation catch on the left of to catch, and protection sleeve pipe, orientation catch pass through outer
Threaded portion is threadedly coupled with internal thread part, and orientation catch is located on the outside of sacculus；It is detachable due to orienting catch with protection sleeve pipe
Connection, the length dimension L for orienting the catch portion of catch selects different sizes according to the situation of patient's vertebral fracture, orients catch
Material be flexible material, the corner in catch portion is all the direction that a sign sacculus expansion is made on arc chord angle, handle
Mark, to facilitate the direction that sacculus expansion is adjusted in surgical procedure；Balloon dilatation pressure pump include operation handle, sleeve, piston,
Pressure gauge, connecting tube, piston are closely slidably matched with sleeve, and pressure gauge is provided with the right side of sleeve, for observing real-time prison
The pressure value of contrast agent is surveyed, the tail end of sleeve, which is connected with connecting tube, connecting tube, is provided with noise reducing type check valve, with noise reducing type list
The interface being connected to valve is connected with the interface of balloon catheter for expanding vertebra；It is provided with noise reducing type check valve, including valve body, valve body
Valve element is provided with circulation passage, circulation passage, circulation passage porch is provided with the fixed block being arranged on valve body, fixed block and valve
Sealing ring is provided between core, the exit of circulation passage is provided with the steady block being arranged on valve body；Valve element, which is provided with, is used for valve element
The spring of reset, valve element is provided with stop collar；There is combined probe sleeve pipe puncture probe and spiral to be socketed in the sleeve pipe outside it,
Puncture probe needle point stretches out sleeve pipe, and guide wire is the slender cylinder with obtuse angle tip；Expanded casing have expanding pilot pipe,
Protection sleeve pipe, protection sleeve pipe is both as the part of orientation sleeve pipe, and be used as the part of expanded casing；Outside drill bit, expanding pilot pipe
Footpath is identical with outside diameter, matches with protection sleeve pipe internal diameter, and Cement fixation utensil has filling sleeve pipe and filling push rod, and filling is pushed away
Bar be slidably arranged in filling sleeve pipe in, fill push rod external diameter of rod body with filling casing inner diameter match, fill sleeve pipe external diameter with
The protection sleeve pipe internal diameter of expanded casing matches；The puncture probe left end of combined probe sleeve pipe is provided with probe handle, sleeve pipe left end
Provided with sleeve handle, probe handle can be locked with sleeve handle by spiral rotating locking mechanism；The expansion of expanded casing
Guiding tube left end is provided with expanding pilot pipe handle, and drill bit left end is provided with drill bit handle, handle and the expanding pilot pipe of protection sleeve pipe
Handle can be threaded connection with；The filling sleeve pipe left end of Cement fixation device is provided with filling sleeve pipe handle, and filling push rod left end, which is provided with, to be filled out
Fill putter grip.
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| CN105167836B (en) * | 2015-08-07 | 2017-12-08 | 昆明医科大学第一附属医院 | A kind of guided by saccule device for the operation of pedicle of vertebral arch approach kyphoplasty |
| CN105559868B (en) * | 2015-12-15 | 2018-10-30 | 宁波华科润生物科技有限公司 | Fixed system between a kind of spinous process |
| CN105769279B (en) * | 2016-03-29 | 2018-10-23 | 中国人民解放军第二军医大学 | Buffer-type blocks sacculus |
| CN106267532A (en) * | 2016-08-01 | 2017-01-04 | 周建明 | Rebuilding type sacculus dilating catheter |
| CN110037754B (en) * | 2019-05-20 | 2023-11-24 | 中国医学科学院北京协和医院 | Intravascular biopsy device and biopsy system |
| CN111528808B (en) * | 2020-05-29 | 2022-12-23 | 重庆高铂瑞骐科技开发有限公司 | Medical bionic detection probe and preparation method thereof |
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