CN207445028U - Bone filler delivery pipe with closeouts - Google Patents
Bone filler delivery pipe with closeouts Download PDFInfo
- Publication number
- CN207445028U CN207445028U CN201720437704.4U CN201720437704U CN207445028U CN 207445028 U CN207445028 U CN 207445028U CN 201720437704 U CN201720437704 U CN 201720437704U CN 207445028 U CN207445028 U CN 207445028U
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- China
- Prior art keywords
- closeouts
- outer tube
- injection orifice
- delivery pipe
- bone filler
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000945 filler Substances 0.000 title claims abstract description 49
- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 48
- 238000002347 injection Methods 0.000 claims abstract description 93
- 239000007924 injection Substances 0.000 claims abstract description 93
- 238000005452 bending Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 17
- 239000000956 alloy Substances 0.000 claims description 12
- 239000013013 elastic material Substances 0.000 claims description 12
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 14
- 230000035882 stress Effects 0.000 description 11
- 208000010392 Bone Fractures Diseases 0.000 description 8
- 238000011017 operating method Methods 0.000 description 5
- 238000004026 adhesive bonding Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 206010010214 Compression fracture Diseases 0.000 description 2
- 208000001132 Osteoporosis Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010017076 Fracture Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 239000002639 bone cement Substances 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model is related to a kind of bone filler delivery pipes with closeouts, including outer tube, the outer tube handle and closeouts being fixedly connected with the near-end of the outer tube, the outer tube includes stationary curved section of distal portions and the straight section of proximal part, the stationary curved section of scheduled type has fixed bending angle, the tube wall of described stationary curved section of distal portions is equipped with 1 outer injection orifice, the distal end closing of the outer tube, the closeouts are arranged in the outer tube to close the outer injection orifice, the closeouts are subject to the pressure of the bone filler of conveying in the outer tube can be relative to the outer injection orifice dislocation movement, realize opening of the outer injection orifice in target location；Realize multi-point injection, it is easy to operate, complication rate is reduced, reduces operation risk.
Description
Technical field
The utility model is related to bone filler delivery instrument, particularly in percutaneous vertbroplasty (PCVP) or percutaneous vertebral body
A kind of bone filler delivery pipe with closeouts used afterwards in convex plasty (PCKP).
Background technology
Compression fracture of vertabral body is mainly in the elderly caused by osteoporosis, as aging of population deepens continuously,
The patient for suffering from this disease is also increasing sharply, and percutaneous vertbroplasty (PVP) or Percutaneous kyplasty (PKP) exist
Irreplaceable role is wherein played.At present, the bone filler delivery pipe with closeouts is widely used in vertebroplasty
In, image documentation equipment monitoring under, by external force into the cancellous space of vertebra injection fillers object (such as bone cement), reach reparation
Vertebral height enhances the strength and stability of centrum, reduction of patient pain in back and loin, so as to treat the vertebra caused by osteoporosis
The purpose of body compression fracture.
The external bone filler delivery pipe with closeouts used in vertebroplasty (PCVP or PCKP) at present, example
Foreign patent application such as Patent No. US7799035B2 discloses a kind of percutaneous vertebroplasty surgical instrument, described in
Bone filler delivery pipe be exactly curved, the delivery pipe hardness in this patent is very high, this delivery pipe is there are two types of usage, first, profit
Expand a cavity in advance in centrum before this with this delivery pipe, the shape of this cavity be similar to it is horn-like, then again toward centrum
Middle perfusion bone filler, and once a point can only be perfused in operation, second is that bone filler is directly perfused, do not expand one in advance
Chamber, and once a point can only be perfused in operation, such delivery pipe expands a cavity in advance, and the shape of this cavity is horn-like
, bone filler is caused to be unevenly distributed in centrum, increases the probability of complication generation and the risk of secondary fracture, then
Such percutaneous vertebroplasty surgical instrument of person, needs to extract in operation the fuse in delivery pipe, the effect of fuse be for
Prevent big broken bone enter delivery cannula block bone filler injection canal integrated operation it is complicated, extend operating time,
Add operation risk.
It is easy to operate there is an urgent need for a kind of using flexible for the problems of the prior art, operating time can be shortened, and
It can realize multi-point injection, and then the bone filler delivery cannula of complication rate can be reduced.
The content of the invention
In view of the drawbacks described above of the prior art, the technical problem to be solved by the utility model is to provide a kind of band closeouts
Bone filler delivery pipe, big broken bone is prevented when instrument from entering human body to enter the injection canal of bone filler through casing injection orifice
Cause blocking, easy to operate flexible, the method for passing through delivery pipe of dropping back realizes multi-point injection.
Technical solution is used by the utility model solves its technical problem：
A kind of bone filler delivery pipe with closeouts, the outer tube being fixedly connected including outer tube, with the near-end of the outer tube
Handle and closeouts, the straight section of stationary curved section and proximal part of the outer tube including distal portions, described stationary curved section
Scheduled type has fixed bending angle, and the tube wall of described stationary curved section of distal portions is equipped with 1 outer injection orifice, institute
State the distal end closing of outer tube, the closeouts are arranged in the outer tube to close the outer injection orifice, the closeouts by
The pressure of the bone filler conveyed in the outer tube can realize the outer injection orifice relative to the outer injection orifice dislocation movement
Opening in target location.
The purpose of this utility model can also further be realized by following technical solution：
Preferably, elastic component is further included in the pipe of the distal outer tube part, the closeouts pass through the elastic component
The distal end of the outer tube is fixed on, the closeouts cover the outer injection orifice, the closure when the elastic component non-stress
During part stress, the elastic component is compressed into and the closeouts is driven to be moved compared with the outer tube, realizes the outer injection
Hole is in the opening of target location.
Preferably, one closeouts injection orifice is set in the near-end of the closeouts, when the non-stress when institute of the elastic component
It states closeouts injection orifice with the outer injection orifice to stagger, the elastic component is compressed into and drives described during the closeouts stress
Closeouts are along the inner wall of the outer tube to the distal movement of the outer tube, the closeouts injection orifice and the outer injection orifice weight
It closes, realizes opening of the outer injection orifice in target location.
Preferably, the closeouts are cylindrical metal structural member or cylindric macromolecular structure part or cylindric flexibility
Part.
Preferably, the elastic component is spring.
Preferably, the closeouts are interference fitted with the outer injection orifice.
Preferably, the closeouts are cylindrical metal structural member or cylindric macromolecular structure part or cylindric flexibility
Part.
Preferably, the closeouts include compressible material part and surface hard part, during the non-stress of the surface hard part
Cover the outer injection orifice, when surface hard part stress squeezes the compressible material part, the compressible material part band
The surface hard part is moved along the inner wall of the outer tube to the distal movement of the outer tube, realizes the outer injection orifice in target position
The opening put.
Preferably, described stationary curved section by elastic material, memory alloy material or elastic material and memorial alloy material
The combination of material is made.
Preferably, described stationary curved section of near-end is fixedly connected with the distal end of the straight section.
Compared with the existing technology, it is as follows with progress the advantages of the utility model：
The bone filler delivery pipe with closeouts of the utility model only has outer tube so that patient need not when using instrument
Withdrawing fuse reduces the operating procedure of instrument, can equally realize the purpose that larger broken bone is prevented to enter delivery pipe.
The bone filler delivery pipe with closeouts of the utility model sets closeouts for closing outer injection in outer tube
Hole promotes the closeouts movement to realize the outer injection orifice in target by the pressure of the bone filler conveyed in the outer tube
The opening of position, it is easy to operate.
Moreover, the bone filler delivery pipe with closeouts of the utility model, the method by whole recession delivery pipe is real
Existing multi-point injection, it is easy to operate, complication rate is reduced, reduces operation risk.
Description of the drawings
Fig. 1 a are the overall structure diagram of one embodiment of the utility model；
Fig. 1 b are the structure diagram of the outer tube of one embodiment of the utility model；
Fig. 1 c are usage state diagram of the one embodiment of the utility model in multi-point injection；
Fig. 2 a are the overall structure diagram of second embodiment of the utility model；
Fig. 2 b are the structure diagram of the outer tube of second embodiment of the utility model；
Fig. 2 c are usage state diagram of second embodiment of the utility model in multi-point injection；
Fig. 3 a are the overall structure diagram of the 3rd embodiment of the utility model；
Fig. 3 b are the structure diagram of the outer tube of the 3rd embodiment of the utility model；
Fig. 3 c are the structure diagram of the closeouts of the 3rd embodiment of the utility model；
Fig. 3 d are the 3rd usage state diagram of the embodiment in multi-point injection of the utility model；
Fig. 4 a are the overall structure diagram of the 4th embodiment of the utility model；
Fig. 4 b are the structure diagram of the outer tube of the 4th embodiment of the utility model；
Fig. 4 c are the structure diagram of the closeouts of the 4th embodiment of the utility model；
Fig. 4 d are the 4th usage state diagram of the embodiment in multi-point injection of the utility model；
Label wherein in the figures above is as follows：1 is outer tube, and 2 be outer tube handle, and 3 be puncture needle handle, and 10 be outer injection
Hole, 11 be stationary curved section, and 12 be straight section, and 14 be closeouts, and 140 be closeouts injection orifice, and 141 be compressible material part, 142
It is surface hard part, 15 be elastic component, and 13 be outer tube mark line, and 31 be puncture needle handle mark line.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, develop simultaneously reality referring to the drawings
Example is applied the utility model is described in detail.
Near-end described in the utility model refers to one end close to operator, and the distal end refers to away from surgical procedure
One end of person.
Embodiment 1：
As shown in Figure 1a, a kind of bone filler delivery pipe with closeouts, including outer tube 1 and outer tube handle 2, the outer tube
1 near-end is fixedly connected with the outer tube handle 2, and as shown in Figure 1 b, the outer tube 1 includes stationary curved section 11 of distal portions
With the straight section 12 of proximal part, described stationary curved section 11 of near-end is fixedly connected with the distal end of the straight section 12, may be employed
The connection of nested gluing or other equivalent connection modes are fixed, described stationary curved section 11 of making material be elastic material or
The combination of memory alloy material or elastic material and memory alloy material, described stationary curved section 11 scheduled type, which has, to be fixed
Bending angle, the tube walls of described stationary curved section 11 of distal portions is equipped with 1 outer injection orifice 10, the outer tube 1 it is remote
End seal is closed, and closeouts 14 are arranged in the outer tube 1 to close the outer injection orifice 10, and the closeouts 14 are subject to described outer
The pressure of the bone filler of conveying can be relative to the outer dislocation of injection orifice 10 movement, the pipe of 1 distal portions of outer tube in pipe 1
Elastic component 15 is inside further included, the closeouts 14 are fixed on the distal end of the outer tube 1 by the elastic component 15, when the elasticity
The closeouts 14 cover the outer injection orifice 10 during 15 non-stress of part, during 14 stress of closeouts, 15 quilt of elastic component
It compresses and then the closeouts 14 is driven to be moved compared with the outer tube 1, realize outer the beating in target location of injection orifice 10
It opens.The closeouts 14 are cylindrical metal structural member or cylindric macromolecular structure part or cylindric flexible piece, the elasticity
Part 15 is spring.The setting structure of this closeouts is simple, easy to operate so that patient is when using instrument without withdrawing core
Son reduces the operating procedure of instrument, can equally realize the purpose that larger broken bone is prevented to enter delivery pipe.
In use, as illustrated in figure 1 c, the outer tube 1 is equipped with outer tube mark line 13, and the closeouts 14 cover
The outer injection orifice 10, outer injection orifice 10 described at this time are closed, and when there is bone filler to enter the outer tube 1, bone filler pushes away
Move the closeouts 14 further compress the elastic component 15 along the outer tube 1 distal movement from inner wall to the outer tube 1, it is real
The existing outer injection orifice 10 is in the opening of target location.Puncture needle handle mark line 31 is equipped on puncture needle handle 3, described in
Delivery pipe is inserted into puncture needle syringe, and the delivery pipe mark line a is overlapped with puncture needle handle mark line 31 at this time, passes through tune
Outer tube handle 3 is saved, outer tube mark line 13 is made to move reciprocatingly compared with puncture needle handle mark line 31, marks delivery pipe successively
Line b ... n is overlapped respectively with puncture needle handle mark line 31, realizes the outer injection orifice 10 of delivery pipe constantly from distally moving proximally to,
After each outer tube mark line 13 is overlapped with puncture needle handle mark line 31, selected point is irrigated, is repeatedly adjusted, multiple spot note
It penetrates.
Embodiment 2：
As shown in Figure 2 a, a kind of bone filler delivery pipe with closeouts, including outer tube 1 and outer tube handle 2, the outer tube
1 near-end is fixedly connected with the outer tube handle 2, and as shown in Figure 2 b, the outer tube 1 includes stationary curved section 11 of distal portions
With the straight section 12 of proximal part, described stationary curved section 11 of near-end is fixedly connected with the distal end of the straight section 12, may be employed
The connection of nested gluing or other equivalent connection modes are fixed, described stationary curved section 11 of making material be elastic material or
The combination of memory alloy material or elastic material and memory alloy material, described stationary curved section 11 scheduled type, which has, to be fixed
Bending angle, the tube walls of described stationary curved section 11 of distal portions is equipped with 1 outer injection orifice 10, the outer tube 1 it is remote
End seal is closed, and the closeouts 14 are arranged on for closing the outer injection orifice 10 in the outer tube 1, and the closeouts 14 are cylinders
Shape hardware or cylindric macromolecular structure part or cylindric flexible piece, the outer diameter of the closeouts 14 are outer than described
The internal diameter size of 1 distal end of pipe is big, and the closeouts 14 cover the outer injection orifice 10, and the closeouts 14 are subject to the outer tube 1
The pressure of the bone filler of interior conveying can realize the outer injection orifice 10 in target relative to the outer dislocation of injection orifice 10 movement
The opening of position.The setting structure of this closeouts is simple, easy to operate so that patient is when using instrument without withdrawing core
Son reduces the operating procedure of instrument, can equally realize the purpose that larger broken bone is prevented to enter delivery pipe.
In use, as shown in Figure 2 c, the outer tube 1 is equipped with outer tube mark line 13, and the closeouts 14 cover
The outer injection orifice 10, outer injection orifice 10 described at this time are closed, and when there is bone filler to enter the outer tube 1, bone filler pushes away
The closeouts 14 are moved along the inner wall of the outer tube 1 to the distal movement of the outer tube 1, realize the outer injection orifice 10 in target
The opening of position.Puncture needle handle mark line 31 is equipped on puncture needle handle 3, the delivery pipe is inserted into puncture needle syringe
In, the delivery pipe mark line a is overlapped with puncture needle handle mark line 31 at this time, by adjusting outer tube handle 3, marks outer tube
Line 13 moves reciprocatingly compared with puncture needle handle mark line 31, make successively delivery pipe mark line b ... n respectively with puncture needle handle
Mark line 31 overlaps, and realizes the outer injection orifice 10 of delivery pipe constantly from distally moving proximally to, each outer tube mark line 13 is with puncturing
After pin handle mark line 31 overlaps, selected point is irrigated, is repeatedly adjusted, multi-point injection.
Embodiment 3：
As shown in Figure 3a, a kind of bone filler delivery pipe with closeouts, including outer tube 1 and outer tube handle 2, the outer tube
1 near-end is fixedly connected with the outer tube handle 2, and as shown in Figure 3b, the outer tube 1 includes stationary curved section 11 of distal portions
With the straight section 12 of proximal part, described stationary curved section 11 of near-end is fixedly connected with the distal end of the straight section 12, may be employed
The connection of nested gluing or other equivalent connection modes are fixed, described stationary curved section 11 of making material be elastic material or
The combination of memory alloy material or elastic material and memory alloy material, described stationary curved section 11 scheduled type, which has, to be fixed
Bending angle, the tube walls of described stationary curved section 11 of distal portions is equipped with 1 outer injection orifice 10, the outer tube 1 it is remote
End seal is closed.As shown in Figure 3c, closeouts 14 are arranged in the outer tube 1 to close the outer injection orifice 10, the closeouts
14 are made of compressible material part 141 and surface hard part 142, and when 142 non-stress of surface hard part covers the outer note
Perforation 10, when the near-end of the surface hard part 142 is pressurized, the compressible material part 141 is compressed, the compressible material
Materials and parts 141 drive the surface hard part 142 to be realized described outer along the inner wall of the outer tube 1 to the distal movement of the outer tube 1
Injection orifice 10 is in the opening of target location.The setting structure of this closeouts is simple, easy to operate so that patient is using instrument
Shi Wuxu withdrawing fuses reduce the operating procedure of instrument, can equally realize the mesh that larger broken bone is prevented to enter delivery pipe
's.
In use, as shown in Figure 3d, the outer tube 1 is equipped with outer tube mark line 13, the table of the closeouts 14
Face hard member 142 covers the outer injection orifice 10, and outer injection orifice 10 described at this time is closed, and enters the outer tube there is bone filler
When 1, bone filler promotes the surface hard part 142 of the closeouts 14 to compress compressible material part 141, at this time surface hard part
142, along the inner wall of the outer tube 1 to the distal movement of the outer tube 1, realize opening of the outer injection orifice 10 in target location.
Puncture needle handle mark line 31 is equipped on puncture needle handle 3, the delivery pipe is inserted into puncture needle syringe, it is described at this time
Delivery pipe mark line a is overlapped with puncture needle handle mark line 31, by adjusting outer tube handle 3, make outer tube mark line 13 compared with
Puncture needle handle mark line 31 moves reciprocatingly, make successively delivery pipe mark line b ... n respectively with 31 weight of puncture needle handle mark line
It closes, realizes the outer injection orifice 10 of delivery pipe constantly from distally moving proximally to, each outer tube mark line 13 is marked with puncture needle handle
After line 31 overlaps, selected point is irrigated, is repeatedly adjusted, multi-point injection.
Embodiment 4：
As shown in fig. 4 a, a kind of bone filler delivery pipe with closeouts, including outer tube 1 and outer tube handle 2, the outer tube
1 near-end is fixedly connected with the outer tube handle 2, and as shown in Figure 4 b, the outer tube 1 includes stationary curved section 11 of distal portions
With the straight section 12 of proximal part, described stationary curved section 11 of near-end is fixedly connected with the distal end of the straight section 12, may be employed
It is threadedly coupled or other equivalent connection modes is fixed, described stationary curved section 11 of making material is elastic material or memory
The combination of alloy material or elastic material and memory alloy material, described stationary curved section 11 scheduled type have fixed curved
Bent angle, the tube wall of described stationary curved section 11 of distal portions are equipped with 1 outer injection orifice 10, and the distal end of the outer tube 1 is sealed
It closes, closeouts 14 are arranged on for closing the outer injection orifice 10 in the outer tube 1, and the closeouts 14 are subject to the outer tube 1
The pressure of the bone filler of interior conveying can be relative to the outer dislocation of injection orifice 10 movement, as illustrated in fig. 4 c, the closeouts 14
It is for cylindrical metal structural member or cylindric macromolecular structure part, the near-ends of the closeouts 14 sets that there are one closeouts to inject
Hole 140.Elastic component 15 is further included in the pipe of 1 distal portions of outer tube, the elastic component 15 is spring, and the closeouts 14 are logical
The distal end that the elastic component 15 is fixed on the outer tube 1 is crossed, the closure of the closeouts 14 when the 15 non-stress of elastic component
Part injection orifice 140 staggers with the outer injection orifice 10, and the elastic component 15 is compressed into and drives during 14 stress of closeouts
The closeouts 14 along the outer tube 1 distal movement from inner wall to the outer tube 1, the closeouts injection orifice 140 with it is described
Outer injection orifice 10 overlaps, and realizes opening of the outer injection orifice 10 in target location.So that patient need not take out when using instrument
Depoling reduces the operating procedure of instrument, can equally realize the purpose that larger broken bone is prevented to enter delivery pipe.
In use, as shown in figure 4d, the outer tube 1 is equipped with outer tube mark line 13, and the closeouts 14 cover
The outer injection orifice 10, the closeouts injection orifice 140 stagger with the outer injection orifice 10, and outer injection orifice 10 described at this time closes
It closes, when there is bone filler to enter the outer tube 1, bone filler promotes the closeouts 14 further to compress the elastic component 15
Along the inner wall of the outer tube 1 to the distal movement of the outer tube 1, the outer injection orifice 10 and the closeouts injection orifice are realized
140 overlap, and realize opening of the outer injection orifice 10 in target location.Puncture needle handle mark line 31 is equipped on puncture needle handle 3,
The delivery pipe is inserted into puncture needle syringe, the delivery pipe mark line a is overlapped with puncture needle handle mark line 31 at this time,
By adjusting outer tube handle 3, outer tube mark line 13 is made to move reciprocatingly compared with puncture needle handle mark line 31, makes conveying successively
Pipe mark line b ... n is overlapped respectively with puncture needle handle mark line 31, realizes the outer injection orifice 10 of delivery pipe constantly from distally proximally
It is mobile, after each outer tube mark line 13 is overlapped with puncture needle handle mark line 31, selected point is irrigated, is repeatedly adjusted,
Multi-point injection.
Finally it should be noted that the foregoing is merely the utility model preferred embodiment, be not used to limit
The utility model processed, all any modification, equivalent and improvement made within the spirit and principle of the utility model etc.,
It should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of bone filler delivery pipe with closeouts, it is characterised in that：Near-end including outer tube (1), with the outer tube (1)
The outer tube handle (2) and closeouts (14) being fixedly connected, the outer tube (1) include the stationary curved section (11) and near of distal portions
Hold part straight section (12), described stationary curved section (11) be scheduled type have fixed bending angle, described stationary curved section
(11) tube wall of distal portions is equipped with 1 outer injection orifice (10), and the distal end of the outer tube (1) is closed, the closeouts
(14) it is arranged on for closing the outer injection orifice (10) in the outer tube (1), the closeouts (14) are subject to the outer tube (1)
The pressure of the bone filler of interior conveying can realize that the outer injection orifice (10) exists relative to outer injection orifice (10) the dislocation movement
The opening of target location.
2. the bone filler delivery pipe according to claim 1 with closeouts, it is characterised in that：It is remote in the outer tube (1)
It holds in the pipe of part and further includes elastic component (15), the closeouts (14) are fixed on the outer tube by the elastic component (15)
(1) distal end, when the elastic component (15) non-stress, the closeouts (14) cover the outer injection orifice (10), the closure
During part (14) stress, the elastic component (15) is compressed into and the closeouts (14) is driven to be moved compared with the outer tube (1),
Realize opening of the outer injection orifice (10) in target location.
3. the bone filler delivery pipe according to claim 2 with closeouts, it is characterised in that：In the closeouts (14)
Near-end set a closeouts injection orifice (140), the closeouts injection orifice (140) when the elastic component (15) non-stress
Stagger with the outer injection orifice (10), the elastic component (15) is compressed into and drives the envelope during closeouts (14) stress
Blocking piece (14) is along the inner wall of the outer tube (1) to the distal movement of the outer tube (1), the closeouts injection orifice (140) and institute
Outer injection orifice (10) coincidence is stated, realizes opening of the outer injection orifice (10) in target location.
4. the bone filler delivery pipe with closeouts according to Claims 2 or 3, it is characterised in that：The closeouts
(14) it is cylindrical metal structural member or cylindric macromolecular structure part or cylindric flexible piece.
5. the bone filler delivery pipe with closeouts according to Claims 2 or 3, it is characterised in that：The elastic component
(15) it is spring.
6. the bone filler delivery pipe according to claim 1 with closeouts, it is characterised in that：The closeouts (14) with
Outer injection orifice (10) interference fit.
7. the bone filler delivery pipe according to claim 6 with closeouts, it is characterised in that：The closeouts (14) are
Cylindrical metal structural member or cylindric macromolecular structure part or cylindric flexible piece.
8. the bone filler delivery pipe according to claim 1 with closeouts, it is characterised in that：Closeouts (14) bag
Include compressible material part (141) and surface hard part (142), when surface hard part (142) non-stress covers the outer note
Perforation (10), when surface hard part (142) stress, squeeze the compressible material part (141), the compressible material part
(141) the surface hard part (142) is driven to realize institute along the inner wall of the outer tube (1) to the distal movement of the outer tube (1)
State opening of the outer injection orifice (10) in target location.
9. the bone filler delivery pipe according to claim 1 with closeouts, it is characterised in that：Described stationary curved section
(11) it is made of the combination of elastic material, memory alloy material or elastic material and memory alloy material.
10. the bone filler delivery pipe according to claim 1 with closeouts, it is characterised in that：Described stationary curved section
(11) near-end is fixedly connected with the distal end of the straight section (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720437704.4U CN207445028U (en) | 2017-04-25 | 2017-04-25 | Bone filler delivery pipe with closeouts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720437704.4U CN207445028U (en) | 2017-04-25 | 2017-04-25 | Bone filler delivery pipe with closeouts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207445028U true CN207445028U (en) | 2018-06-05 |
Family
ID=62247028
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720437704.4U Active CN207445028U (en) | 2017-04-25 | 2017-04-25 | Bone filler delivery pipe with closeouts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207445028U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107049465A (en) * | 2017-04-25 | 2017-08-18 | 宁波华科润生物科技有限公司 | Bone filler delivery pipe with closeouts |
-
2017
- 2017-04-25 CN CN201720437704.4U patent/CN207445028U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107049465A (en) * | 2017-04-25 | 2017-08-18 | 宁波华科润生物科技有限公司 | Bone filler delivery pipe with closeouts |
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