CN207693666U - A kind of bone filler delivery pipe with plugging device - Google Patents
A kind of bone filler delivery pipe with plugging device Download PDFInfo
- Publication number
- CN207693666U CN207693666U CN201720437604.1U CN201720437604U CN207693666U CN 207693666 U CN207693666 U CN 207693666U CN 201720437604 U CN201720437604 U CN 201720437604U CN 207693666 U CN207693666 U CN 207693666U
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- CN
- China
- Prior art keywords
- outer tube
- plugging device
- bone filler
- delivery pipe
- curved section
- 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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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 37
- 239000000945 filler Substances 0.000 title claims abstract description 37
- 238000002347 injection Methods 0.000 claims abstract description 41
- 239000007924 injection Substances 0.000 claims abstract description 41
- 239000000956 alloy Substances 0.000 claims description 8
- 239000013013 elastic material Substances 0.000 claims description 8
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 7
- 208000010392 Bone Fractures Diseases 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000035882 stress Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000011017 operating method 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
- 238000004026 adhesive bonding 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
- 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
- 230000006872 improvement 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
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
Abstract
The bone filler delivery pipe with plugging device that the utility model is related to a kind of, the outer tube handle being fixedly connected including outer tube and with the proximal end of the outer tube, the outer tube includes the straight section of stationary curved section of distal portions and proximal part, stationary curved section of the proximal end is fixedly connected with the distal end of the straight section, the tube wall of stationary curved section of the distal portions is equipped with 1 outer injection orifice, it is provided with plugging device on the outer injection orifice, it closes the distal end of the outer tube, by the pressure of the bone filler conveyed in the outer tube realize the outer injection orifice target location opening；Realize multi-point injection, it is easy to operate, complication rate is reduced, operation risk is reduced.
Description
Technical field
The utility model is related to bone filler delivery instruments, especially in percutaneous vertbroplasty (PCVP) or percutaneous vertebral body
A kind of bone filler delivery pipe with plugging device used in convex plasty (PCKP) afterwards.
Background technology
The compression fracture of vertabral body caused by osteoporosis is mainly in the elderly, 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.Currently, the bone filler delivery pipe with plugging device is widely used in vertebral plasty
In art, image documentation equipment monitoring under, by external force into the cancellous space of vertebra injection fillers object (such as bone cement), reach and repair
Multiple vertebral height enhances the strength and stability of centrum, reduction of patient pain in back and loin, to which treatment is caused by osteoporosis
The purpose of compression fracture of vertabral body.
The external bone filler delivery pipe with plugging device used in vertebroplasty (PCVP or PCKP) at present,
Such as the foreign patent application of Patent No. US7799035B2 discloses a kind of percutaneous vertebroplasty surgical instrument, wherein being retouched
The bone filler delivery pipe stated is bent, and the delivery pipe hardness in this patent is very high, and there are two types of usages for this delivery pipe, when
Expand a cavity in advance in centrum before this using this delivery pipe, the shape of this cavity be similar to it is horn-like, then again toward vertebra
Bone filler is perfused in body, and a point can only be perfused in primary operation, second is that bone filler is directly perfused, do not expand one in advance
Chamber, and a point can only be perfused in primary operation, such delivery pipe expands a cavity in advance, and the shape of this cavity is horn-like
, cause bone filler 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,
Increase 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 pipe of complication rate can be reduced.
Utility model content
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 bands to block dress
The bone filler delivery pipe set, the injection that broken bone when preventing instrument from entering human body greatly enters bone filler through casing injection orifice are logical
Road causes to block, easy to operate flexible, and the method for passing through delivery pipe of dropping back realizes multi-point injection.
Technical solution adopted by the utility model to solve its technical problems is：
A kind of bone filler delivery pipe with plugging device, including outer tube and be fixedly connected with the proximal end of the outer tube outer
Pipe handle, the outer tube include the straight section of stationary curved section of distal portions and proximal part, stationary curved section of the distal end
Partial tube wall is equipped with 1 outer injection orifice, and plugging device, the distal end envelope of the outer tube are provided on the outer injection orifice
Close, by the pressure of the bone filler conveyed in the outer tube realize the outer injection orifice target location opening.
The purpose of this utility model can also be further realized by technical solution below：
Preferably, the plugging device is integrally cut by the outer tube.
Preferably, the plugging device is reticular structure.
It is furthermore preferred that the reticular structure is M shape network or crosswise grid structure.
Preferably, the plugging device is resilient sheet-like structure.
Preferably, the tube wall of the outer tube is bonded when the non-stress of the resilient sheet-like structure naturally, removes to be formed after stress
The injection canal of the bone filler.
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, stationary curved section of the proximal end is fixedly connected with the distal end of the straight section.
Compared with the existing technology, as follows with progress the advantages of the utility model：
The bone filler delivery pipe with plugging device of the utility model only has outer tube so that patient using instrument when without
Withdrawing fuse is needed, the operating procedure of instrument is reduced, the purpose for preventing larger broken bone from entering delivery pipe may be implemented.
Moreover, the bone filler delivery pipe with plugging device of the utility model, passes through the method for whole delivery pipe of dropping back
Realize multi-point injection, it is easy to operate, complication rate is reduced, operation risk is reduced.
Description of the drawings
Fig. 1 a are the overall structure diagram of one embodiment of the utility model；
Fig. 1 b are the structural schematic diagram of the outer tube of one embodiment of the utility model；
Fig. 1 c are the partial enlarged view of the outer injection orifice of one embodiment of the utility model；
Fig. 1 d 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 structural schematic diagram of the outer tube of second embodiment of the utility model；
Fig. 2 c are the partial enlarged view of the outer injection orifice of second embodiment of the utility model；
Fig. 2 d are the usage state diagram of the outer tube of second embodiment of the utility model；
Fig. 2 e are the usage state diagram in multi-point injection of second embodiment 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 13 be outer tube mark line, and 31 be puncture needle handle mark line.
Specific implementation mode
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.
Proximal end described in the utility model refers to one end close to operator, and the distal end refers to far from surgical procedure
One end of person.
Embodiment 1：
As shown in Figure 1a, a kind of bone filler delivery pipe with plugging device, including outer tube 1 and outer tube handle 2, it is described outer
The proximal end of pipe 1 is fixedly connected with the outer tube handle 2, and as shown in Figure 1 b, the outer tube 1 includes stationary curved section of distal portions
11 and proximal part straight section 12, stationary curved section 11 of the proximal end is fixedly connected with the distal end of the straight section 12, can adopt
With nested gluing connection or other equivalent connection types fix, stationary curved section 11 of the making material be elastic material or
It is the combination of memory alloy material or elastic material and memory alloy material, the pipe of stationary curved section 11 of the distal portions
Wall is equipped with 1 outer injection orifice 10, and plugging device, the distal end closing of the outer tube 1, institute are provided on the outer injection orifice 10
Plugging device is stated integrally to be cut by the outer tube 1.As illustrated in figure 1 c, the outer injection orifice 10 is reticular structure, described outer
The reticular structure of injection orifice 10 is M shape network or crosswise grid structure, and the reticular structure can prevent larger broken
Bone enters bone filler injection canal through outer injection orifice 10, by adjusting the outer tube handle 2 so that the outer tube 1 relative to
Puncture needle handle 3 moves reciprocatingly, and realizes that the outer injection orifice 10 exists by the pressure of the bone filler conveyed in the outer tube 1
The opening of target location.So that patient is not necessarily to withdrawing fuse when using instrument, reduce the operating procedure of instrument, it equally can be with
Realize the purpose for preventing larger broken bone from entering delivery pipe.
In use, as shown in Figure 1 d, 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 2 is saved, the outer tube mark line 13 being arranged on 1 proximal part of outer tube is made to be done back and forth relative to puncture needle handle mark line 31
Movement, makes delivery pipe mark line b ... n be overlapped respectively with puncture needle handle mark line 31 successively, realizes injection orifice 10 outside delivery pipe
Constantly from distally moving proximally to, after each outer tube mark line 13 is overlapped with puncture needle handle mark line 31, to selected click-through
Row perfusion, is repeatedly adjusted, multi-point injection.
Embodiment 2：
As shown in Figure 2 a, a kind of bone filler delivery pipe with plugging device, including outer tube 1 and outer tube handle 2, it is described outer
The proximal end of pipe 1 is fixedly connected with the outer tube handle 2, and as shown in Figure 2 b, the outer tube 1 includes stationary curved section of distal portions
11 and proximal part straight section 12, stationary curved section 11 of the proximal end is fixedly connected with the distal end of the straight section 12, can adopt
With nested gluing connection or other equivalent connection types fix, stationary curved section 11 of the making material be elastic material or
It is the combination of memory alloy material or elastic material and memory alloy material, the pipe of stationary curved section 11 of the distal portions
Wall is equipped with 1 outer injection orifice 10, and plugging device, the distal end closing of the outer tube 1, institute are provided on the outer injection orifice 10
Plugging device is stated integrally to be cut by the outer tube 1.As shown in Figure 2 c, the outer injection orifice 10 is resilient sheet-like structure, institute
Naturally it is bonded the tube wall of the outer tube 1 when stating the non-stress of resilient sheet-like structure, the note to form the bone filler is removed after stress
Channel is penetrated, by adjusting the outer tube handle 2 so that the outer tube 1 moves reciprocatingly relative to puncture needle handle 3, passes through institute
State the bone filler conveyed in outer tube 1 pressure realize the outer injection orifice 10 target location opening.So that patient makes
With withdrawing fuse is not necessarily to when instrument, reduces the operating procedure of instrument, equally may be implemented that larger broken bone is prevented to enter conveying
The purpose of pipe.
In use, as shown in Figure 2 d, the delivery pipe in the initial state, the non-stress of resilient sheet-like structure
Shi Ziran is bonded the inner wall that stationary curved section 11 of the distal portion is in charge of, and the outer injection orifice 10 described at this time is closed, filled out there is bone
When filling object into the outer tube 1, bone filler pushes the resilient sheet-like structure to be allowed to remove to form bone filler injection canal,
Realize the opening of the outer injection orifice 10.As shown in Figure 2 e, puncture needle handle mark line 31 is equipped on puncture needle handle 3,
The 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, is led to
Outer tube handle 2 is overregulated, the outer tube mark line 13 being arranged on 1 proximal part of outer tube is made to be done relative to puncture needle handle mark line 31
It moves back and forth, delivery pipe mark line b ... n is made to be overlapped respectively with puncture needle handle mark line 31 successively, realize and injected outside delivery pipe
Hole 10 is constantly from distally moving proximally to, after each outer tube mark line 13 is overlapped with puncture needle handle mark line 31, to selected
Point is irrigated, and is repeatedly adjusted, multi-point injection.
Finally it should be noted that the foregoing is merely the preferred embodiment of the utility model, it is not used to limit
The utility model processed, all any modification, equivalent and improvement made within the spirit and principle of the present invention etc.,
It should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of bone filler delivery pipe with plugging device, it is characterised in that：Including outer tube (1) and with the outer tube (1)
The outer tube handle (2) that proximal end is fixedly connected, the outer tube (1) include stationary curved section (11) and the proximal part of distal portions
The tube wall of straight section (12), the distal portions of stationary curved section (11) is equipped with 1 outer injection orifice (10), in the outer injection
Plugging device is provided on hole (10), the plugging device is resilient sheet-like structure, and the distal end closing of the outer tube (1) passes through
Opening of the pressure realization outer injection orifice (10) of the bone filler conveyed in the outer tube (1) in target location.
2. the bone filler delivery pipe according to claim 1 with plugging device, it is characterised in that：The plugging device by
The outer tube is integrally cut.
3. the bone filler delivery pipe according to claim 2 with plugging device, it is characterised in that：The resilient sheet-like knot
Naturally it is bonded the tube wall of the outer tube (1) when the non-stress of structure, the injection canal to form the bone filler is removed after stress.
4. the bone filler delivery pipe according to claim 1 with plugging device, 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.
5. the bone filler delivery pipe according to claim 1 with plugging device, it is characterised in that：Described stationary curved section
(11) proximal end is fixedly connected with the distal end of the straight section (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720437604.1U CN207693666U (en) | 2017-04-25 | 2017-04-25 | A kind of bone filler delivery pipe with plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720437604.1U CN207693666U (en) | 2017-04-25 | 2017-04-25 | A kind of bone filler delivery pipe with plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207693666U true CN207693666U (en) | 2018-08-07 |
Family
ID=63020351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720437604.1U Active CN207693666U (en) | 2017-04-25 | 2017-04-25 | A kind of bone filler delivery pipe with plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207693666U (en) |
-
2017
- 2017-04-25 CN CN201720437604.1U patent/CN207693666U/en active Active
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