CN106691571A - Transport cannula for skeleton filler - Google Patents
Transport cannula for skeleton filler Download PDFInfo
- Publication number
- CN106691571A CN106691571A CN201610736072.1A CN201610736072A CN106691571A CN 106691571 A CN106691571 A CN 106691571A CN 201610736072 A CN201610736072 A CN 201610736072A CN 106691571 A CN106691571 A CN 106691571A
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- Prior art keywords
- tube
- inner tube
- handle
- outer tube
- injection orifice
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- 239000000945 filler Substances 0.000 title claims abstract description 83
- 238000002347 injection Methods 0.000 claims abstract description 261
- 239000007924 injection Substances 0.000 claims abstract description 261
- 210000000988 bone and bone Anatomy 0.000 claims description 85
- 239000013536 elastomeric material Substances 0.000 claims description 53
- 239000000463 material Substances 0.000 claims description 31
- 238000006073 displacement reaction Methods 0.000 claims description 13
- 241001631457 Cannula Species 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 2
- 239000013013 elastic material Substances 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 16
- 239000000956 alloy Substances 0.000 description 15
- 229910045601 alloy Inorganic materials 0.000 description 15
- 238000010586 diagram Methods 0.000 description 11
- 239000002184 metal Substances 0.000 description 11
- 239000007769 metal material Substances 0.000 description 7
- 238000001356 surgical procedure Methods 0.000 description 3
- 208000010392 Bone Fractures Diseases 0.000 description 2
- 206010017076 Fracture Diseases 0.000 description 2
- 208000001132 Osteoporosis Diseases 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000010412 perfusion Effects 0.000 description 2
- 206010010214 Compression fracture Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000002639 bone cement Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
Abstract
The invention relates to a transport cannula for skeleton filler. The transport cannula for skeleton filler comprises an outer tube, a handle of the outer tube, an inner tube and a handle of the inner tube, a far-end portion of the outer tube is made from elastic material, and a fixed bending angle is provided with the far-end portion of the outer tube, the inner tube which is slidably sleeved inside the outer tube is a flexible tube or is made from elastic material, the far end of the inner tube and/or the outer tube are or is closed, the difference value between the external diameter of the inner tube and the inner diameter of the outer tube is less than or equal to 0.2mm, by number of orifice which is arranged on tube wall of far end of the outer tube and the inner tube, orifice have three form: a plurality of the outer injection orifice are arranged on tube wall of far end portion of the outer tube; one inner injection orifice is arranged on tube wall of far end portion of the inner tube; a plurality of the outer injection orifice are evenly arranged on tube wall of far end portion of the outer tube and the inner tube; one outer injection orifice is arranged on tube wall of far end portion of the outer tube, a plurality of the inner injection orifice are arranged on tube wall of far end portion of the inner tube. The outer tube moves over the inner tube by adjusting the handle of the outer tube and the inner tube, coincide of the outer injection orifice and the inner injection orifice in target location is obtained.
Description
Technical field
It is particularly convex after percutaneous vertbroplasty (PVP) or percutaneous vertebral body the present invention relates to bone filler delivery instrument
A kind of bone filler delivery cannula used in plasty (PKP).
Background technology
Because the compression fracture of vertabral body that osteoporosis causes is mainly in the elderly, as aging population deepens continuously,
The patient for suffering from this disease is also increasing sharply, and percutaneous vertbroplasty (PVP) or Percutaneous kyplasty (PKP) exist
Irreplaceable effect is wherein played.At present, bone filler delivery cannula is widely used in vertebroplasty, in image
Under equipment monitor, injection fillers thing (such as bone cement), reaches reparation vertebral height in the cancellous space by external force to vertebra,
Strengthen the strength and stability of centrum, reduction of patient pain in back and loin, so as to treat due to the vertebral compression that osteoporosis causes
The purpose of fracture.
The head end (distal end) of domestic bone filler delivery cannula at present used in vertebroplasty (PVP or PKP)
It is flat, it is impossible to bending.The Chinese patent application of such as Patent No. 200720060062.7 discloses a kind of percutaneous vertebra
Body plastic operation apparatus, the bone filler delivery pipe described in it is exactly straight unyielding.In surgical procedure, typically
Keep the stress balance in centrum biomethanics inside the centrum by the way of symmetrical injection bone filler, and traditional bone
Filler delivery pipe is only used for the conveying of homonymy centrum bone filler, therefore often section centrum will be punctured twice, then be noted
Enter bone filler, operating time is more long, larger to patient trauma, and complication rate is higher, and increased the economy of patient to bear
Load.Patient's drawbacks described above for many Vertebral bodies is more obvious.
Existing bone filler delivery cannula such as patent 201210316761.9, in surgical procedure, in subjects bones
Interior, bone filler perfusion position is determined by the position in hole on the wall of delivery cannula distal side, it is impossible to effectively control bone filler perfusion
Position, has a significant impact to the final filling effect of centrum, increases the probability of complication generation and the risk of secondary fracture.
For the problems of the prior art, needing one kind badly can flexibly use, can be according to default bone filler injection orifice
And then accurate effectively regulation is carried out, and the bone filler delivery pipe of complication rate and surgery cost can be reduced.
The content of the invention
In view of the drawbacks described above of prior art, the technical problems to be solved by the invention are to provide a kind of bone filler conveying
Sleeve pipe, by the remote design of delivery pipe into the interior outer double-layer structure that can be relatively moved, and sets respectively on double-decker tube wall
Bone filler injection orifice is put, by adjusting relative position between inner and outer tubes, bone filler injection in control inner and outer tubes
The coincidence in hole with stagger, realize precise control bone filler irrigate position.
The technical solution adopted for the present invention to solve the technical problems is：
Scheme 1：A kind of bone filler delivery cannula, it is characterised in that：Including outer tube, outer tube handle, inner tube and inner tube hand
Handle, the near-end of the outer tube is fixedly connected with the outer tube handle, and the distal portions of the outer tube are made up of elastomeric material, and set
Fixed angle of bend is equipped with, the near-end of said inner tube is fixedly connected with said inner tube handle, and said inner tube is slideably set with
In the outer tube, said inner tube is flexible pipe, or said inner tube is made up of elastomeric material, the distal end closing of said inner tube,
The external diameter of said inner tube is less than or equal to 0.2mm, the tube wall of the distal portions of said inner tube with the difference of the internal diameter of the outer tube
1 interior injection orifice is provided with, the tube wall of the distal portions of the outer tube is provided with the outer injection orifice of multiple, by adjusting the outer tube
Handle and/or said inner tube handle so that said inner tube and outer tube relative displacement, so as to realize the outer injection orifice successively with institute
Interior injection orifice is stated to be overlapped in target location.
Scheme 2：A kind of bone filler delivery cannula, it is characterised in that：Including outer tube, outer tube handle, inner tube and inner tube hand
Handle, the near-end of the outer tube is fixedly connected with the outer tube handle, and the distal portions of the outer tube are made up of elastomeric material, and set
Fixed angle of bend is equipped with, the near-end of said inner tube is fixedly connected with said inner tube handle, and said inner tube is slideably set with
In the outer tube, said inner tube is flexible pipe, or said inner tube is made up of elastomeric material, said inner tube and/or described outer
The distal end closing of pipe, the difference of the external diameter of said inner tube and the internal diameter of the outer tube is less than or equal to 0.2mm, said inner tube it is remote
The tube wall of part is held to be provided with injection orifice in multiple, the tube wall of the distal portions of the outer tube is provided with the outer injection orifice of multiple, adjusts
The outer tube handle and/or said inner tube handle are saved so that said inner tube and outer tube relative displacement, so as to realize successively in described
Injection orifice and the outer injection orifice overlap target location is corresponding.
Scheme 3：A kind of bone filler delivery cannula, a kind of bone filler delivery cannula, it is characterised in that：Including outer tube,
Outer tube handle, inner tube and inner tube handle, the near-end of the outer tube are fixedly connected with the outer tube handle, the distal portion of the outer tube
Point it is made up of elastomeric material, and is provided with fixed angle of bend, the distal end closing of the outer tube, the near-end of said inner tube and institute
State inner tube handle to be fixedly connected, said inner tube is slideably sleeved in the outer tube, said inner tube is flexible pipe, or described
Inner tube is made up of elastomeric material, and the external diameter of said inner tube is less than or equal to 0.2mm with the difference of the internal diameter of the outer tube, described interior
The tube wall of the distal portions of pipe is provided with injection orifice in multiple, and the tube wall of the distal portions of the outer tube is provided with 1 and injects outward
Hole, adjusts the outer tube handle and/or said inner tube handle so that said inner tube and the outer tube relative displacement, so as to realize
The outer injection orifice overlaps with the interior injection orifice in target location successively.
The purpose of the present invention can also further be realized by following technical scheme：
Preferably, the multiple described outer injection orifice of technical scheme 1 is arranged along the axis direction of the outer tube, by adjusting
Inner tube handle is stated to be axially moveable inner tube to realize the outer injection orifice successively with the interior injection orifice in target location weight
Close.
It is furthermore preferred that the outside radian of angle of bend of the multiple described outer injection orifice of technical scheme 1 along the fixation exists
The tube wall of the distal portions of the outer tube is proximally arranged from distal end.
Preferably, when the said inner tube of technical scheme 1 is made up of elastomeric material, the intensity of said inner tube is outer less than described
The intensity of the distal portions of pipe, the tube wall helically line distribution of distal portions of multiple outer injection orifices along the outer tube,
Be provided with angle regulator on the outer tube handle and/or said inner tube handle, operate the outer tube handle and/or it is described in
Pipe handle so that said inner tube is relatively rotated with the outer tube, with reference to the angle regulator realize the outer injection orifice according to
It is secondary to be overlapped in target location with the interior injection orifice.
Preferably, the multiple described interior injection orifice of technical scheme 2 is arranged along the axis direction of said inner tube, said inner tube
Close distal end；The outside radian of the angle of bend of fixation of multiple outer injection orifices along the outer tube is in the distal end of the outer tube
Partial tube wall realizes one from distal end proximally axial arranging by adjusting said inner tube handle to be axially moveable inner tube
The individual outer injection orifice interior injection orifice described with overlaps in target location.
It is furthermore preferred that the axial spacing between multiple interior injection orifices is different；Multiple outer injection orifices are each other
Between axial spacing it is different.
Preferably, the multiple described interior injection orifice of technical scheme 2 is arranged along the axis direction of said inner tube, multiple described outer
Injection orifice along the distal portions of the outer tube tube wall helically line be distributed；It is described when said inner tube is made up of elastomeric material
The intensity of inner tube is set less than the intensity of the distal portions of the outer tube on the outer tube handle and/or said inner tube handle
Angled adjusting means, operates the outer tube handle and/or said inner tube handle so that said inner tube is relative with the outer tube to be turned
It is dynamic, realize that an outer injection orifice interior injection orifice described with overlaps in target location with reference to the angle regulator.
Preferably, the lateral arcs of the angle of bend of fixation of the multiple described outer injection orifice of technical scheme 2 along the outer tube
The tube wall in the distal portions of the outer tube is spent from distal end proximally axial arranging, and multiple interior injection orifices are along said inner tube
The helically line distribution of the tube wall of distal portions；When said inner tube is made up of elastomeric material, the intensity of said inner tube is less than described
The intensity of the distal portions of outer tube, angle regulator is provided with the outer tube handle and/or said inner tube handle, operation
The outer tube handle and/or said inner tube handle so that said inner tube is relatively rotated with the outer tube, with reference to the angular adjustment
Device realizes that an outer injection orifice interior injection orifice described with overlaps in target location.
It is furthermore preferred that multiple outer injection orifices are different from the axial spacing of the multiple interior injection orifice.
Preferably, the tube wall of distal portions of the multiple described outer injection orifice of technical scheme 2 along the outer tube helically line
Distribution, along the tube wall of the distal portions of said inner tube, helically line is distributed multiple interior injection orifices；When said inner tube is by elasticity
When material is made, the intensity of said inner tube less than the distal portions of the outer tube intensity, in the outer tube handle and/or described
Be provided with angle regulator on inner tube handle, operate the outer tube handle and/or said inner tube handle so that said inner tube with
The outer tube is relatively rotated, and realizes that an outer injection orifice and an interior injection orifice exist with reference to the angle regulator
Target location overlaps.
It is furthermore preferred that multiple outer injection orifices are identical with the axial spacing of the multiple interior injection orifice.
Preferably, the multiple described interior injection orifice of technical scheme 3 is arranged along the axis direction of said inner tube, by adjusting
Outer tube handle is stated to be axially moveable outer tube to realize the outer injection orifice successively with the interior injection orifice in target location weight
Close.
Preferably, the elastomeric material described in above-mentioned 3 technical schemes is by metal memorial alloy or medical macromolecular materials
It is made, or is combined by above-mentioned material and be made；The flexible pipe is made up of metal tube engraving, or by medical macromolecular materials system
Into, or combined with metal material by medical macromolecular materials and be made.
Preferably, the outer tube described in above-mentioned 3 technical schemes is made up of metal spring pipe.
Preferably, the angle regulator described in above-mentioned 3 technical schemes be scale mark line, by correspondence scale come
Adjust the relative motion angle of the outer tube and said inner tube.
Compared with the existing technology, advantages of the present invention is as follows with progress：
First, bone filler delivery cannula of the invention has distal end bilayer structure with holes, and this structure can make interior
Pipe moves reciprocatingly or rotary motion or rotary reciprocating motion along the axial direction of the delivery pipe, by changing between inner and outer tubes
Relative position, control inner and outer tubes on bone filler injection orifice coincidence with stagger, realize precise control bone filler irrigate
Position, makes patient operate the incidence for more flexibly effectively reducing complication, mitigates the financial burden of patient.
Secondly, during filler is irrigated, by adjusting the relative position of inner and outer pipe, each only one of which hole weight
Close, the in-position of bone filler and loading effectively in control centrum make bone filler be distributed in centrum more uniform, carry
Centrum mechanical property high.
Thus, it is possible to flexibly use bone filler delivery cannula of the invention, it can be carried out accurately according to default hole
Effectively regulation, reduces complication rate, reduces operation risk.
Brief description of the drawings
Fig. 1-1 is the overall structure diagram of embodiments of the invention 1；
Fig. 1-2 is the structural representation of the outer injection orifice of embodiments of the invention 1；
Fig. 1-3 is the structural representation of the interior injection orifice of embodiments of the invention 1；
Fig. 1-4 cuts the position of rear outer injection orifice and interior injection orifice open for the outer tube and inner tube of embodiments of the invention 1 vertically
Put structural representation；
Fig. 1-5 is the inner tube handle of embodiments of the invention 1 and the use state figure of outer tube handle upper angle adjusting means；
Fig. 2-1 is the overall structure diagram of embodiments of the invention 2；
Fig. 2-2 is the structural representation of the outer injection orifice of embodiments of the invention 2；
Fig. 2-3 is the structural representation of the interior injection orifice of embodiments of the invention 2；
Fig. 2-4 cuts the position of rear outer injection orifice and interior injection orifice open for the outer tube and inner tube of embodiments of the invention 2 vertically
Put structural representation；
Fig. 2-5 is the inner tube handle of embodiments of the invention 2 and the use state figure of outer tube handle upper angle adjusting means；
Fig. 3-1 is the overall structure diagram of embodiments of the invention 3；
Fig. 3-2 is the structural representation of the outer injection orifice of embodiments of the invention 3；
Fig. 3-3 is the structural representation of the interior injection orifice of embodiments of the invention 3；
Fig. 3-4 cuts the position of rear outer injection orifice and interior injection orifice open for the outer tube and inner tube of embodiments of the invention 3 vertically
Put structural representation；
Fig. 3-5 is the inner tube handle of embodiments of the invention 3 and the use state figure of outer tube handle upper angle adjusting means；
Fig. 4-1 is the overall structure diagram of embodiments of the invention 4；
Fig. 4-2 is the structural representation of the outer injection orifice of embodiments of the invention 4；
Fig. 4-3 is the structural representation of the interior injection orifice of embodiments of the invention 4；
Fig. 4-4 cuts the position of rear outer injection orifice and interior injection orifice open for the outer tube and inner tube of embodiments of the invention 4 vertically
Put structural representation；
Fig. 4-5 is the inner tube handle of embodiments of the invention 4 and the use state figure of outer tube handle upper angle adjusting means；
Fig. 5-1 is the overall structure diagram of embodiments of the invention 5；
Fig. 5-2 is the structural representation of the outer injection orifice of embodiments of the invention 5；
Fig. 5-3 is the structural representation of the interior injection orifice of embodiments of the invention 5；
Fig. 5-4 cuts the position of rear outer injection orifice and interior injection orifice open for the outer tube and inner tube of embodiments of the invention 5 vertically
Put structural representation；
Fig. 5-5 is the inner tube handle of embodiments of the invention 5 and the use state figure of outer tube handle upper angle adjusting means；
Fig. 6-1 is the overall structure diagram of embodiments of the invention 6；
Fig. 6-2 is the structural representation of the outer injection orifice of embodiments of the invention 6；
Fig. 6-3 is the structural representation of the interior injection orifice of embodiments of the invention 6；
Fig. 6-4 cuts the position of rear outer injection orifice and interior injection orifice open for the outer tube and inner tube of embodiments of the invention 6 vertically
Put structural representation；
Fig. 6-5 is the inner tube handle of embodiments of the invention 6 and the use state figure of outer tube handle upper angle adjusting means；
Fig. 7-1 is the overall structure diagram of embodiments of the invention 7；
Fig. 7-2 is the structural representation of the outer injection orifice of embodiments of the invention 7；
Fig. 7-3 is the structural representation of the interior injection orifice of embodiments of the invention 7；
Fig. 7-4 cuts the position of rear outer injection orifice and interior injection orifice open for the outer tube and inner tube of embodiments of the invention 7 vertically
Put structural representation；
Fig. 7-5 is the inner tube handle of embodiments of the invention 7 and the use state figure of outer tube handle upper angle adjusting means；
Label in the figures above is as follows：1. outer tube, 2. inner tube, 3. outer tube handle, 4. inner tube handle, 5. outer tube mark
Line, 6. inner tube mark line, 10. outer injection orifice, injection orifice in 20..
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, develop simultaneously embodiment referring to the drawings
The present invention is described in detail.
Near-end of the present invention refers to the one end close to operator, and the distal end refers to away from operator's
One end.
Embodiment 1：
As Figure 1-1, a kind of bone filler delivery cannula, including outer tube 1 and outer tube handle 3, the near-end of the outer tube 1
It is fixedly connected with the outer tube handle 3, as shown in Figure 1-2, the distal portions of the outer tube 1 are made up of elastomeric material, and set
The tube wall for having fixed angle of bend, the distal portions of the outer tube 1 is provided with the outer injection orifice 10 of multiple, the multiple outer injection
Hole 10 is arranged along the axis direction of the outer tube, the tube wall distribution of distal portions of the multiple outer injection orifice 10 along outer tube 1
Cut effect open as Figure 1-4, the bone filler delivery cannula also includes inner tube 2 and inner tube handle 4, the near-end of said inner tube 2
It is fixedly connected with inner tube handle 4, as Figure 1-3, said inner tube 2 is flexible pipe, on the tube wall of the distal portions of said inner tube 2
It is provided with 1 interior injection orifice 20, effect such as Fig. 1-4 is cut in the tube wall distribution of distal portions of the interior injection orifice 20 along inner tube 2 open
Shown, the distal end closing of said inner tube 2, the external diameter of said inner tube 2 is less than or equal to the difference of the internal diameter of the outer tube 1
0.2mm, said inner tube 2 can be relatively moved with outer tube 1, regulation said inner tube handle 4, and said inner tube 2 is done back and forth with respect to outer tube 1
Motion, regulation said inner tube handle 4, makes inner tube 2 move a segment distance relative to outer tube 1 every time, makes bone filler delivery cannula
Inside and outside injection orifice proximally overlapped successively from distal end.
The making material of the outer tube 1 is the group of elastomeric material memorial alloy or elastomeric material and memorial alloy
Close, the making material of said inner tube 2 is elastomeric material metal tube engraving medical macromolecular materials or medical high score
The combination of sub- material and metal material.
In use, as Figure 1-4, said inner tube 2 can be slidably sleeved in the outer tube 1, inner tube 2
Load when in outer tube 1, the interior injection orifice 20 overlaps with outer injection orifice A, by adjusting the inner tube handle 4 that the near-end of inner tube 2 is connected,
The distal end of inner tube 2 is moved reciprocatingly, at this moment noted outside the bone filler in the bone filler of its distal end on injection orifice 20 and outer tube 1
There is relative displacement in perforation 10, as Figure 1-5 when the mark line d in the inner tube mark line 6 in said inner tube 2 and the outer tube
The upper exterior tube mark line 5 of handle 3 point-blank when, the interior injection orifice 20 in Fig. 1-4 overlaps with outer injection orifice B, constantly adjusts
Section said inner tube handle 4 make inner tube mark line 6 and outer tube mark line 5 point-blank until interior injection orifice 20 and last
Outer injection orifice C overlaps, and realizes that the inside and outside injection orifice of bone filler delivery cannula proximally overlaps successively from distal end；Required for making
Bone filler delivery cannula inside and outside injection orifice overlap after, to select point be irrigated, repeatedly regulation, multi-point injection.
Embodiment 2：
As shown in Fig. 2-1, a kind of bone filler delivery cannula, including outer tube 1 and outer tube handle 3, the near-end of the outer tube 1
It is fixedly connected with the outer tube handle 3, as shown in Fig. 2-2, the distal portions of the outer tube 1 are made up of elastomeric material, and set
The tube wall for having fixed angle of bend, the distal portions of the outer tube 1 is provided with the outer injection orifice 10 of multiple, the multiple outer injection
Hole 10 along the distal portions of the outer tube tube wall helically line be distributed, the multiple outer injection orifice 10 along outer tube 1 distal portion
What the tube wall for dividing was distributed cuts effect open as in Figure 2-4, and the bone filler delivery cannula also includes inner tube 2 and inner tube handle 4,
The near-end of said inner tube 2 is fixedly connected with inner tube handle 4, and as Figure 2-3, said inner tube 2 is made up of elastomeric material, said inner tube
The tube wall of 2 distal portions is provided with 1 interior injection orifice 20, the tube wall point of distal portions of the interior injection orifice 20 along inner tube 2
Cloth cuts effect open as in Figure 2-4, the distal end closing of said inner tube 2, the internal diameter of the external diameter of said inner tube 2 and the outer tube 1
Difference be less than or equal to 0.2mm, the intensity of said inner tube 2 less than the distal portions of the outer tube 1 intensity, said inner tube 2
Can be relatively moved with outer tube 1, rotation said inner tube handle 4, said inner tube 2 does rotary reciprocating motion with respect to outer tube 1, adjusts every time
Section said inner tube handle 4 makes inner tube 2 rotate to an angle, and makes the inside and outside injection orifice of bone filler delivery cannula from distal end near
End overlaps successively.
The making material of the outer tube 1 is the group of elastomeric material memorial alloy or elastomeric material and memorial alloy
Close, the making material of said inner tube 2 is elastomeric material metal tube engraving medical macromolecular materials or medical high score
The combination of sub- material and metal material.
In use, as in Figure 2-4, said inner tube 2 can be slidably sleeved in the outer tube 1, inner tube 2
Load when in outer tube 1, the interior injection orifice 20 overlaps with outer injection orifice A, the angle outer tube on outer tube handle described in Fig. 2-5 3
Mark line is 5, and wherein w, x, y and z represent the angle corresponding to angle index line, the inner tube mark line on said inner tube handle 4
It is 6, dotted box part is the surface texture schematic diagram of the outer tube handle 3, when originally said inner tube 2 loads the outer tube 1,
Said inner tube mark line 6 overlaps with the angle index w on the outer tube handle 3, by adjusting the inner tube hand that the near-end of inner tube 2 is connected
Handle 4 makes inner tube 2 rotate to an angle, and the distal end of inner tube 2 is done rotary reciprocating motion, at this moment the interior injection orifice 20 of its distal end with
There is relative displacement, the angle index x on said inner tube mark line 6 with the outer tube handle 3 in the outer injection orifice 10 on outer tube 1
During coincidence, the interior injection orifice 20 in Fig. 2-4 overlaps with outer injection orifice B, constantly adjusts said inner tube handle 4 until interior injection orifice
20 overlap with last outer injection orifice C, realize that the inside and outside injection orifice of bone filler delivery cannula is proximally weighed successively from distal end
Close；After the inside and outside injection orifice of the bone filler delivery cannula required for making overlaps, the point to selecting is irrigated, repeatedly regulation,
Multi-point injection.
Embodiment 3
As shown in figure 3-1, a kind of bone filler delivery cannula, including outer tube 1 and outer tube handle 3, the near-end of the outer tube 1
It is fixedly connected with the outer tube handle 3, as shown in figure 3-2, the distal portions of the outer tube 1 are made up of elastomeric material, and set
The tube wall for having fixed angle of bend, the distal portions of the outer tube 1 is provided with the outer injection orifice 10 of multiple, the multiple outer injection
Hole 10 is arranged along the axis direction of outer tube 1, and the axial distance between the multiple outer injection orifice 10 is different, the multiple outer injection
Hole 10 cuts effect open as shown in Figure 3-4 along what the tube wall of the distal portions of outer tube 1 was distributed, and the bone filler delivery cannula is also wrapped
Inner tube 2 and inner tube handle 4 are included, the near-end of said inner tube 2 is fixedly connected with inner tube handle 4, as shown in Fig. 3-3, said inner tube 2 is soft
Property pipe, the tube wall of the distal portions of said inner tube 2 is provided with injection orifice 20 in multiple, and the multiple interior injection orifice 20 is along inner tube 2
Axis direction arrangement, axial distance between the multiple interior injection orifice 20 is different, and the multiple interior injection orifice 20 is along inner tube 2
The tube wall distribution of distal portions cut effect open as shown in Figure 3-4, the closing of the distal end of said inner tube 2, the external diameter of said inner tube 2
Difference with the internal diameter of the outer tube 1 is less than or equal to 0.2mm, and said inner tube 2 can be relatively moved with outer tube 1, and regulation is described
Inner tube handle 4, said inner tube 2 moves reciprocatingly with respect to outer tube 1, and regulation said inner tube handle 4, makes an interior injection every time
The outer injection orifice 10 described with one of hole 20 overlaps.
The making material of the outer tube 1 is the group of elastomeric material memorial alloy or elastomeric material and memorial alloy
Close, the making material of said inner tube 2 is elastomeric material metal tube engraving medical macromolecular materials or medical high score
The combination of sub- material and metal material.
In use, as shown in Figure 3-4, said inner tube 2 can be slidably sleeved in the outer tube 1, inner tube 2
Load when in outer tube 1, the interior injection orifice a overlaps with outer injection orifice A, by adjusting the inner tube handle 4 that the near-end of inner tube 2 is connected,
The distal end of inner tube 2 is moved reciprocatingly, at this moment noted outside the bone filler in the bone filler of its distal end on injection orifice 20 and outer tube 1
There is relative displacement in perforation 10, when a mark line d in the inner tube mark line 6 of inner tube handle 4 as in Figure 3-5 is outer with described
Outer tube mark line 5 on pipe handle 3 point-blank when, the interior injection orifice a and outer injection orifice A in Fig. 3-4 staggers, interior injection
Hole b overlaps with outer injection orifice B, constantly adjusts said inner tube handle 4, make last mark line e on inner tube handle 4 with it is outer
Point-blank, now last interior injection orifice c's pipe mark line 5 and outer injection orifice C overlaps, so as to realize that bone filler is defeated
The inside and outside injection orifice of sleeve pipe is sent proximally to be overlapped successively and only one of which hole coincidence every time from distal end；Bone required for making is filled
After the inside and outside injection orifice of thing delivery cannula overlaps, the point to selecting is irrigated, repeatedly regulation, multi-point injection.
Embodiment 4：
As shown in Fig. 4-1, a kind of bone filler delivery cannula, including outer tube 1 and outer tube handle 3, the near-end of the outer tube 1
It is fixedly connected with the outer tube handle 3, as shown in the Fig. 4-2, the distal portions of the outer tube 1 are made up of elastomeric material, and set
The tube wall for having fixed angle of bend, the distal portions of the outer tube 1 is provided with the outer injection orifice 10 of multiple, the multiple outer injection
Hole 10 along the distal portions of the outer tube 1 tube wall helically line be distributed, the multiple outer injection orifice 10 along outer tube 1 distal portion
What the tube wall for dividing was distributed cuts effect open as shown in Fig. 4-4, and the bone filler delivery cannula also includes inner tube 2 and inner tube handle 4,
The near-end of said inner tube 2 is fixedly connected with inner tube handle 4, and as shown in Fig. 4-3, said inner tube 2 is made up of elastomeric material, said inner tube
Less than the intensity of the distal portions of the outer tube 1, the tube wall of the distal portions of said inner tube 2 is provided with multiple to be noted 2 intensity
Perforation 20, the multiple interior injection orifice 20 is arranged along the axis direction of inner tube 2, and the multiple interior injection orifice 20 is along the remote of inner tube 2
What the tube wall of end part was distributed cuts effect open as shown in Fig. 4-4, and the distal end closing of said inner tube 2 and/or the outer tube 1 is described
The external diameter of inner tube 2 is less than or equal to 0.2mm with the difference of the internal diameter of the outer tube 1, and multiple bone fillers of said inner tube 2 are injected
Axial spacing between hole 20 is identical with the axial spacing between multiple bones filling injection orifice 10 of the outer tube 1, said inner tube 2
Can be relatively moved with outer tube 1, regulation said inner tube handle 4, said inner tube 2 is rotated with respect to outer tube 1, and institute is adjusted every time
Stating inner tube handle 4 makes inner tube 2 rotate to an angle, and an outer injection orifice 10 described with of interior injection orifice 20 is overlapped.
The making material of the outer tube 1 is the group of elastomeric material memorial alloy or elastomeric material and memorial alloy
Close, the making material of said inner tube 2 is elastomeric material metal tube engraving medical macromolecular materials or medical high score
The combination of sub- material and metal material.
In use, as shown in Fig. 4-4, said inner tube 2 can be slidably sleeved in the outer tube 1, inner tube 2
Load when in outer tube 1, the interior injection orifice a overlaps with outer injection orifice A, the angle outer tube mark on outer tube handle described in Fig. 4-5 3
Note line is 5, and wherein w, x, y and z represents the angle corresponding to angle index line, and the inner tube mark line on said inner tube handle 4 is
6, dotted box part is the surface texture schematic diagram of the outer tube handle 3, when originally said inner tube 2 loads the outer tube 1, institute
State inner tube mark line 6 to be overlapped with the angle index w on the outer tube handle 3, by adjusting the inner tube handle that the near-end of inner tube 2 is connected
4, the distal end of inner tube 2 is rotated, at this moment the interior injection orifice 20 of its distal end occurs relative with the outer injection orifice 10 on outer tube 1
Displacement, when said inner tube mark line 6 overlaps with the angle index x on the outer tube handle 3, interior injection orifice b in Fig. 4-4 with
Outer injection orifice B overlaps, interior injection orifice a and outer injection orifice A staggers, and constantly adjusts said inner tube 4 interior note to the last of handle
Perforation c overlaps with last outer injection orifice C, realizes the inside and outside injection orifice of bone filler delivery cannula from distal end proximally successively
Overlap and only one of which hole overlaps every time, realize that the inside and outside injection orifice of bone filler delivery cannula is proximally weighed successively from distal end
Close；After the inside and outside injection orifice of the bone filler delivery cannula required for making overlaps, the point to selecting is irrigated, repeatedly regulation,
Multi-point injection.
Embodiment 5：
As shown in fig. 5-1, a kind of bone filler delivery cannula, including outer tube 1 and outer tube handle 3, the near-end of the outer tube 1
It is fixedly connected with the outer tube handle 3, as shown in Fig. 5-2, the distal portions of the outer tube 1 are made up of elastomeric material, and set
There is fixed angle of bend, there are multiple outer injection orifices 10, the multiple outer injection on the tube wall of the distal portions of the outer tube 1
Hole 10 arranges along the axial direction of outer tube 1, and the distribution of the tube wall of distal portions of the multiple outer injection orifice 10 along outer tube 1 is cut open
Effect as shown in Fig. 5-4, the bone filler delivery cannula also include inner tube 2 and inner tube handle 4, the near-end of said inner tube 2 with it is interior
Pipe handle 4 is fixedly connected, and as shown in Fig. 5-3, said inner tube 2 is made up of elastomeric material, and the intensity of said inner tube 2 is outer less than described
The intensity of the distal portions of pipe 1, the tube wall of the distal portions of said inner tube 2 is provided with injection orifice 20 in multiple, the multiple interior
Injection orifice 20 along the distal portions of inner tube 2 tube wall helically line be distributed, the multiple interior injection orifice 20 along inner tube 2 distal portion
What the tube wall for dividing was distributed cuts effect open as shown in Fig. 5-4, and the distal end of said inner tube 2 and/or the outer tube 1 is closed, said inner tube 2
The difference of external diameter and the internal diameter of the outer tube 1 be less than or equal to 0.2mm, multiple bone filler injection orifices 20 of said inner tube 2
Between axial spacing and the outer tube 1 multiple bones filling injection orifice 10 between axial distance it is identical, said inner tube 2 with it is outer
Pipe 1 can be relatively moved, regulation said inner tube handle 4, and said inner tube 2 rotates with respect to outer tube 1, adjusts every time in described
Pipe handle 4 makes inner tube 2 rotate to an angle, and an outer injection orifice 10 described with of interior injection orifice 20 is overlapped.
The making material of the outer tube 1 is the group of elastomeric material memorial alloy or elastomeric material and memorial alloy
Close, the making material of said inner tube 2 is elastomeric material metal tube engraving medical macromolecular materials or medical high score
The combination of sub- material and metal material.
In use, as shown in Fig. 5-4, said inner tube 2 can be slidably sleeved in the outer tube 1, inner tube
Load when in outer tube, the interior injection orifice a overlaps with outer injection orifice A, the angle outer tube mark on outer tube handle described in Fig. 5-5 3
Note line is 5, and wherein w, x, y and z represents the angle corresponding to angle index line, and the inner tube mark line on said inner tube handle 4 is
6, dotted box part is the surface texture schematic diagram of the outer tube handle 3, when originally said inner tube 2 loads the outer tube 1, institute
State inner tube mark line 6 to be overlapped with the angle index w on the outer tube handle 3, by adjusting the inner tube handle that the near-end of inner tube 2 is connected
4, the distal end of inner tube 2 is rotated, at this moment the interior injection orifice 20 of its distal end occurs relative with the outer injection orifice 10 on outer tube 1
Displacement, when said inner tube mark line 6 overlaps with the angle index x on the outer tube handle 3, interior injection orifice b in Fig. 5-4 with
Outer injection orifice B overlaps, interior injection orifice a and outer injection orifice A staggers, and constantly adjusts said inner tube 4 interior note to the last of handle
Perforation c overlaps with last outer injection orifice C, realizes the inside and outside injection orifice of bone filler delivery cannula from distal end proximally successively
Overlap and only one of which hole overlaps every time, realize that the inside and outside injection orifice of bone filler delivery cannula is proximally weighed successively from distal end
Close；After the inside and outside injection orifice of the bone filler delivery cannula required for making overlaps, the point to selecting is irrigated, repeatedly regulation,
Multi-point injection.
Embodiment 6：
As in Figure 6-1, a kind of bone filler delivery cannula, including outer tube 1 and outer tube handle 3, the near-end of the outer tube 1
It is fixedly connected with the outer tube handle 3, as in fig. 6-2, the distal portions of the outer tube 1 are made up of elastomeric material, and set
There is fixed angle of bend, there are multiple outer injection orifices 10, the multiple outer injection on the tube wall of the distal portions of the outer tube 1
Hole 10 along the distal portions of the outer tube 1 tube wall helically line be distributed, the multiple outer injection orifice 10 along outer tube 1 distal portion
What the tube wall for dividing was distributed cuts effect open as shown in Fig. 6-4, and the bone filler delivery cannula also includes inner tube 2 and inner tube handle 4,
The near-end of said inner tube 2 is fixedly connected with inner tube handle 4, and as shown in Fig. 6-3, said inner tube 2 is made up of elastomeric material, said inner tube
Less than the intensity of the distal portions of the outer tube 1, the tube wall of the distal portions of said inner tube 2 is provided with multiple to be noted 2 intensity
Perforation 20, the tube wall helically line distribution, the multiple interior note of distal portions of the multiple interior injection orifice 20 along said inner tube 2
Perforation 20 cuts effect open as shown in Fig. 6-4 along what the tube wall of the distal portions of inner tube 2 was distributed, said inner tube 2 and/or the outer tube
1 distal end closing, the external diameter of said inner tube 2 is less than or equal to 0.2mm with the difference of the internal diameter of the outer tube 1, said inner tube 2
Axial spacing and the outer tube 1 between multiple bone filler injection orifices 20 multiple bones filling injection orifice 10 between axially away from
From identical, said inner tube 2 can be relatively moved with outer tube 1, and regulation said inner tube handle 4, said inner tube 2 is done with respect to outer tube 1 and revolved
Transhipment is dynamic, and regulation said inner tube handle 4 makes inner tube rotate to an angle every time, makes described in an interior injection orifice 20 and one
Outer injection orifice 10 overlaps.
The making material of the outer tube 1 is the group of elastomeric material memorial alloy or elastomeric material and memorial alloy
Close, the making material of said inner tube 2 is elastomeric material metal tube engraving medical macromolecular materials or medical high score
The combination of sub- material and metal material.
In use, as shown in Fig. 6-4, said inner tube 2 can be slidably sleeved in the outer tube 1, inner tube 2
Load when in outer tube 1, the interior injection orifice a overlaps with outer injection orifice A, the angle outer tube on outer tube handle described in Fig. 6-5 3
Mark line is 5, and wherein w, x, y and z represent the angle corresponding to angle index line, the inner tube mark line on said inner tube handle 4
It is 6, dotted box part is the surface texture schematic diagram of the outer tube handle 3, when originally said inner tube 2 loads the outer tube 1,
Said inner tube mark line 6 overlaps with the angle index w on the outer tube handle 3, by adjusting the inner tube hand that the near-end of inner tube 2 is connected
Handle 4, makes the distal end of inner tube 2 rotate, at this moment the outer injection orifice of the bone filler on the interior injection orifice 20 of its distal end and outer tube 1
10 there is relative displacement, when said inner tube mark line 6 overlaps with the angle index x on the outer tube handle 3, in Fig. 6-4
Interior injection orifice b overlaps with outer injection orifice B, interior injection orifice a and outer injection orifice A staggers, constantly adjust said inner tube handle 4 until
Last interior injection orifice c overlaps with last outer injection orifice C, realizes the inside and outside injection orifice of bone filler delivery cannula from distal end
Proximally overlap successively and only one of which hole overlaps every time；The inside and outside injection orifice weight of the bone filler delivery cannula required for making
After conjunction, the point to selecting is irrigated, repeatedly regulation, multi-point injection.
Embodiment 7：
As shown in Fig. 7-1, a kind of bone filler delivery cannula, including outer tube 1 and outer tube handle 3, the near-end of the outer tube 1
It is fixedly connected with the outer tube handle 3, as shown in Fig. 7-2, the distal portions of the outer tube 1 are made up of elastomeric material, and set
The tube wall for having fixed angle of bend, the distal portions of the outer tube 1 is provided with 1 outer injection orifice 10, the outer injection orifice 10
Effect is cut open as shown in Fig. 7-4 along what the tube wall of the distal portions of outer tube 1 was distributed, and the distal end closing of the outer tube 1, the bone is filled out
Filling thing delivery cannula also includes inner tube 2 and inner tube handle 4, and the near-end of said inner tube 2 is fixedly connected with inner tube handle 4, such as Fig. 7-3 institutes
Show, said inner tube 2 is made up of elastomeric material, the tube wall of the distal portions of said inner tube 2 is provided with injection orifice 20 in multiple, described
Injection orifice 20 is arranged along the axis direction of inner tube 2 in multiple, the tube wall of distal portions of the multiple interior injection orifice 20 along inner tube 2
What is be distributed cuts effect open as shown in Fig. 7-4, and the external diameter of said inner tube 2 is less than or equal to the difference of the internal diameter of the outer tube 1
0.2mm, said inner tube 2 can be relatively moved with outer tube 1, adjust the outward appearance handle 3, and the outer tube 1 does back and forth with respect to inner tube 2
Motion, adjusts the outer tube handle 3 every time, and the outer injection orifice 10 overlaps with a hole in the interior injection orifice 20.
The outer tube 1 is made up of the combination of elastomeric material or metal elastic reed pipe or elastomeric material and metal elastic reed pipe, described
The making material of inner tube 2 is the combination of elastomeric material memorial alloy or elastomeric material and memorial alloy.
In use, as shown in Fig. 7-4, said inner tube 2 can be slidably sleeved in the outer tube 1, outer tube 1
After being assembled with inner tube 2, the outer injection orifice 10 overlaps with interior injection orifice a, by adjusting the inner tube handle that the near-end of outer tube 2 is connected
3, the distal end of outer tube 1 is moved reciprocatingly, at this moment the outer injection orifice 10 of its distal end occurs relative with the interior injection orifice 20 in inner tube 2
Displacement, as shown in Fig. 7-5 when on the outer tube mark line 5 on the outer tube 1 and said inner tube handle 4 inner tube mark line d at one
When on straight line, the outer injection orifice 10 in Fig. 7-4 overlaps with interior injection orifice b, and constantly adjusting the outer tube handle 3 marks outer tube
Line 5 with inner tube mark line 6 point-blank, until outer injection orifice 10 overlaps with last interior injection orifice c, realizes that bone is filled
The inside and outside injection orifice of thing delivery cannula proximally overlaps successively from distal end；Make the inside and outside of required bone filler delivery cannula
After injection orifice overlaps, the point to selecting is irrigated, repeatedly regulation, multi-point injection.
Finally it should be noted that the foregoing is only preferred embodiment of the invention, this is not limited to
Invention, all any modification, equivalent and improvement made within the spirit and principles in the present invention etc., should be included in this hair
Within bright protection domain.
Claims (11)
1. a kind of bone filler delivery cannula, it is characterised in that：It is described outer including outer tube, outer tube handle, inner tube and inner tube handle
The near-end of pipe is fixedly connected with the outer tube handle, and the distal portions of the outer tube are made up of elastomeric material, and are provided with fixation
Angle of bend, the near-end of said inner tube is fixedly connected with said inner tube handle, and said inner tube is slideably sleeved on described outer
In pipe, said inner tube is flexible pipe, or said inner tube is made up of elastomeric material, the distal end closing of said inner tube, said inner tube
The difference of external diameter and the internal diameter of the outer tube be less than or equal to 0.2mm, the tube wall of the distal portions of said inner tube is provided with 1
Interior injection orifice, the tube wall of the distal portions of the outer tube is provided with the outer injection orifice of multiple, by adjust the outer tube handle and/or
Said inner tube handle so that said inner tube and outer tube relative displacement, so as to realize the outer injection orifice successively with the interior injection
Hole overlaps in target location.
2. bone filler delivery cannula according to claim 1, it is characterised in that：Multiple outer injection orifices are along described outer
The axis direction arrangement of pipe, the outer injection orifice is realized successively by adjusting said inner tube handle to be axially moveable inner tube
Overlapped in target location with the interior injection orifice.
3. bone filler delivery cannula according to claim 2, it is characterised in that：Multiple outer injection orifices are along described solid
The outside radian of fixed angle of bend is proximally arranged in the tube wall of the distal portions of the outer tube from distal end.
4. bone filler delivery cannula according to claim 1, it is characterised in that：When said inner tube is made up of elastomeric material
When, the intensity of the intensity less than the distal portions of the outer tube of said inner tube, multiple outer injection orifices are along the remote of the outer tube
The tube wall helically line distribution of part is held, angle regulator is provided with the outer tube handle and/or said inner tube handle,
The outer tube handle and/or said inner tube handle are operated so that said inner tube is relatively rotated with the outer tube, with reference to the angle
Adjusting means realizes that the outer injection orifice overlaps with the interior injection orifice in target location successively.
5. a kind of bone filler delivery cannula, it is characterised in that：It is described outer including outer tube, outer tube handle, inner tube and inner tube handle
The near-end of pipe is fixedly connected with the outer tube handle, and the distal portions of the outer tube are made up of elastomeric material, and are provided with fixation
Angle of bend, the near-end of said inner tube is fixedly connected with said inner tube handle, and said inner tube is slideably sleeved on described outer
In pipe, said inner tube is flexible pipe, or said inner tube is made up of elastomeric material, the distal end of said inner tube and/or the outer tube
Closing, the external diameter of said inner tube is less than or equal to 0.2mm with the difference of the internal diameter of the outer tube, the distal portions of said inner tube
Tube wall is provided with injection orifice in multiple, and the tube wall of the distal portions of the outer tube is provided with the outer injection orifice of multiple, adjusts described outer
Pipe handle and/or said inner tube handle so that said inner tube and outer tube relative displacement, thus realize successively the interior injection orifice with
The outer injection orifice overlaps in target location correspondence.
6. bone filler delivery cannula according to claim 5, it is characterised in that：Multiple interior injection orifices are along described interior
The axis direction arrangement of pipe, the distal end closing of said inner tube；The angle of bend of fixation of multiple outer injection orifices along the outer tube
The outside radian of degree the distal portions of the outer tube tube wall from distal end proximally axial arranging, by adjusting said inner tube hand
Handle realizes that an outer injection orifice interior injection orifice described with overlaps in target location to be axially moveable inner tube.
7. bone filler delivery cannula according to claim 5, it is characterised in that：Multiple interior injection orifices are along described interior
The axis direction arrangement of pipe, the tube wall helically line distribution of distal portions of multiple outer injection orifices along the outer tube；Work as institute
When stating inner tube and being made up of elastomeric material, the intensity of the intensity less than the distal portions of the outer tube of said inner tube, in the outer tube
Angle regulator is provided with handle and/or said inner tube handle, the outer tube handle and/or said inner tube handle is operated,
So that said inner tube is relatively rotated with the outer tube, an outer injection orifice and one are realized with reference to the angle regulator
The interior injection orifice overlaps in target location.
8. bone filler delivery cannula according to claim 5, it is characterised in that：Multiple outer injection orifices are along described outer
The outside radian of the angle of bend of the fixation of pipe the distal portions of the outer tube tube wall from distal end proximally axial arranging, it is many
The individual interior injection orifice along the distal portions of said inner tube tube wall helically line be distributed；When said inner tube is made up of elastomeric material
When, the intensity of the intensity less than the distal portions of the outer tube of said inner tube, in the outer tube handle and/or said inner tube handle
On be provided with angle regulator, operate the outer tube handle and/or said inner tube handle so that said inner tube and the outer tube
Relatively rotate, realize an outer injection orifice and an interior injection orifice in target location with reference to the angle regulator
Overlap.
9. bone filler delivery cannula according to claim 5, it is characterised in that：Multiple outer injection orifices are along described outer
The helically line distribution of the tube wall of the distal portions of pipe, multiple interior injection orifices are in spiral shell along the tube wall of the distal portions of said inner tube
Spin line is distributed；When said inner tube is made up of elastomeric material, the intensity of said inner tube is strong less than the distal portions of the outer tube
Degree, is provided with angle regulator on the outer tube handle and/or said inner tube handle, operate the outer tube handle and/or
Said inner tube handle so that said inner tube is relatively rotated with the outer tube, with reference to described in the angle regulator realizes one
Outer injection orifice interior injection orifice described with overlaps in target location.
10. a kind of bone filler delivery cannula, a kind of bone filler delivery cannula, it is characterised in that：Including outer tube, outer tube hand
Handle, inner tube and inner tube handle, the near-end of the outer tube are fixedly connected with the outer tube handle, and the distal portions of the outer tube are by bullet
Property material be made, and be provided with fixed angle of bend, the distal end closing of the outer tube, the near-end and said inner tube of said inner tube
Handle is fixedly connected, and said inner tube is slideably sleeved in the outer tube, and said inner tube is flexible pipe, or said inner tube by
Elastomeric material is made, and the difference of the external diameter of said inner tube and the internal diameter of the outer tube is less than or equal to 0.2mm, said inner tube it is remote
The tube wall of part is held to be provided with injection orifice in multiple, the tube wall of the distal portions of the outer tube is provided with 1 outer injection orifice, regulation
The outer tube handle and/or said inner tube handle so that said inner tube and the outer tube relative displacement, so as to realize the outer note
Perforation overlaps with the interior injection orifice in target location successively.
11. bone filler delivery cannulas according to claim 1, it is characterised in that multiple interior injection orifices are along described
The axis direction arrangement of inner tube, realized by adjusting the outer tube handle to be axially moveable outer tube the outer injection orifice according to
It is secondary to be overlapped in target location with the interior injection orifice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610736072.1A CN106691571A (en) | 2016-08-29 | 2016-08-29 | Transport cannula for skeleton filler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610736072.1A CN106691571A (en) | 2016-08-29 | 2016-08-29 | Transport cannula for skeleton filler |
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| Publication Number | Publication Date |
|---|---|
| CN106691571A true CN106691571A (en) | 2017-05-24 |
Family
ID=58940288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610736072.1A Pending CN106691571A (en) | 2016-08-29 | 2016-08-29 | Transport cannula for skeleton filler |
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| Country | Link |
|---|---|
| CN (1) | CN106691571A (en) |
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| CN107198564A (en) * | 2017-06-05 | 2017-09-26 | 广州爱锘德医疗器械有限公司 | Injection device |
| CN108210059A (en) * | 2018-03-05 | 2018-06-29 | 上海朗迈医疗器械科技有限公司 | A kind of vertebra former of controllable bending |
| CN108704169A (en) * | 2018-06-12 | 2018-10-26 | 邬波 | Osteomyelitis therapeutic equipment and its application |
| CN109745114A (en) * | 2018-11-20 | 2019-05-14 | 宁波华科润生物科技有限公司 | A kind of multi-functional vertebral plasty instrument |
| CN117695064A (en) * | 2024-02-06 | 2024-03-15 | 上海珀利医用材料有限公司 | Implantable saccule device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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