CN208582557U - The netted molding machine of orthopaedics - Google Patents
The netted molding machine of orthopaedics Download PDFInfo
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- CN208582557U CN208582557U CN201721747967.1U CN201721747967U CN208582557U CN 208582557 U CN208582557 U CN 208582557U CN 201721747967 U CN201721747967 U CN 201721747967U CN 208582557 U CN208582557 U CN 208582557U
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- network management
- molding machine
- inner tube
- orthopaedics
- nut cap
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Abstract
The utility model discloses a kind of netted molding machines of orthopaedics, are related to the field of medical instrument technology.A kind of netted molding machine of orthopaedics comprising: the network management of upper end closed, the network management include multiple ring-shaped distributed modified strips；The absorbable flexible layer being coated on outside the network management；Inner tube in the inner cavity of the network management and for filler to be imported to the network management inner cavity, the upper end of said inner tube are connect with the upper end of the network management, and the length of said inner tube is less than the length of the network management；And nut cap, the nut cap are used to connect and block with the lower end of the lower end of the network management and said inner tube respectively the lower end of the network management.Network management can be sent into centrum and need distracted position by the ingress pipe of the netted molding machine of the orthopaedics of the utility model, and drawing pulling rope makes network management expansion by pyramidal support.Bone cement or bone block can be filled into network management by ingress pipe simultaneously.The netted molding machine of the orthopaedics of the utility model using when only need few auxiliary tool, and it is easy to operate, operating time can greatly be shortened.
Description
Technical field
The utility model relates to the field of medical instrument technology, are specifically related to a kind of netted molding machine of orthopaedics.
Background technique
With the increase of social older population, the orthopaedics illness such as osteoporotic increases year by year, leads to fracture patient year by year
Increase.In orthopaedics, when carrying out reattachment surgery to joint end, it often may require that and be filled at the position of bone defects.It is existing
Filling mode, mostly directly filled using artificial bone or autologous bone, but the shape of the artificial bone of filling or autologous bone
It is difficult to and is exactly matched with the position of bone defects, cause implantation effect poor.
Utility model content
The purpose of this utility model is to provide a kind of netted molding machines of orthopaedics, to solve in the prior art, using people
Work bone or autologous bone are filled, and the shape of artificial bone or autologous bone is difficult to exactly match the defect of bone, are implanted into effect
Poor technical problem.
To achieve the above object, technical solution adopted in the utility model are as follows:
A kind of netted molding machine of orthopaedics comprising:
The network management of upper end closed, the network management include multiple ring-shaped distributed modified strips；
The absorbable flexible layer being coated on outside the network management；
In the inner cavity of the network management and for filler to import to the inner tube of the network management inner cavity, said inner tube it is upper
End is connect with the upper end of the network management, and the length of said inner tube is less than the length of the network management；And
Nut cap, the nut cap with the lower end of the lower end of the network management and said inner tube for connecting respectively and blocking the net
The lower end of pipe.
Further, the network management has inside and outside two be arranged, and the modified strip in the same network management is parallel to each other, no
It is arranged between the modified strip of the network management in angle.
Further, the closed plate for closing the network management upper end is arranged in the upper end of the network management, the modified strip
The outer rim of closed plate described in upper end edge is distributed and connect with the outer rim of the closed plate.
Further, the upper end of said inner tube and the upper end of the network management are rotatablely connected.
Further, the lower end of the network management is equipped with the connecting tube for connecting the nut cap, the lower end of the modified strip
Connect along the circumferentially distributed of the connecting tube and with the connecting tube, the connection inside pipe wall be equipped with for the nut cap screw thread
The internal screw thread of connection.
Further, said inner tube is equipped with the intercommunicating pore through said inner tube side wall.
Further, the inner wall of said inner tube lower end is equipped with the internal screw thread for being threadedly coupled with the nut cap.
Further, the nut cap includes that lateral wall sets threaded first cylindrical section and coaxial with first cylindrical section
Setting and lateral wall set threaded second cylindrical section, and the diameter of first cylindrical section is less than the straight of second cylindrical section
Diameter.
Further, the modified strip is Shape Memory Alloy member.
Further, the absorbable flexible layer is absorbable suture braiding layer.
The utility model has the beneficial effects that: compared with prior art, the netted molding machine of the orthopaedics of the utility model
After the defect area of merging bone, inner tube is pulled outward from the lower end of network management, keeps the both ends of modified strip close in opposite directions, modified strip
Outwardly convex, network management and absorbable flexible layer strut and be bonded with the wall surface of the defect area of bone, then by inner tube to
The filler filled in network management fills the defect area of bone.It is using nut cap that the lower end of the lower end of network management and inner tube is opposite
It is fixed and by the lower end closed of network management, it prevents implantation material from revealing from network management, keeps network management upper and lower ends simultaneously also by inner tube
Pressure, be kept fixed the shape of network management.The filler of inside filling is fixed into adaptation by modified strip and absorbable flexible layer
The shape of the defect area of bone enables filler to match with the defect area of bone, and implantation effect is preferable.
Detailed description of the invention
Fig. 1 is that one embodiment of the netted molding machine of the utility model orthopaedics is in the main view under relaxation state in network management
Figure；
Fig. 2 is the cross-sectional view of Fig. 1；
Fig. 3 is that the netted molding machine of orthopaedics in Fig. 1 is in the top view under softened state in network management；
Fig. 4 is the cross-sectional view of the netted molding machine of orthopaedics in Fig. 3；
Fig. 5 is that another embodiment of the netted molding machine of the utility model orthopaedics is in the main view under relaxation state in network management
Figure.
In figure: in the absorbable flexible layer of 1- network management, 11- modified strip, 12- connecting tube, 13- closed plate, 14- shaft, 2-, 3-
Pipe, 31- intercommunicating pore, 32- connection structure, 4- nut cap, the first cylindrical section of 41-, the second cylindrical section of 42-.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
Now the netted molding machine of orthopaedics provided by the utility model is illustrated.
As shown in Figs. 1-5, the netted molding machine of a kind of orthopaedics comprising:
The network management 1 of upper end closed, the network management 1 include multiple ring-shaped distributed modified strips 11；
The absorbable flexible layer 2 being coated on outside the network management 1；
Inner tube 3 in the inner cavity of the network management 1 and for filler to be imported to 1 inner cavity of network management, said inner tube 3
Upper end connect with the upper end of the network management 1, and the length of said inner tube 3 be less than the network management 1 length；And
Nut cap 4, the nut cap 4 with the lower end of the lower end of the network management 1 and said inner tube 3 for connecting respectively and blocking institute
State the lower end of network management 1.
Compared with prior art, the netted molding machine of the orthopaedics of the utility model merging bone defect area after, from
The lower end of network management pulls inner tube outward, keeps the both ends of modified strip close in opposite directions, modified strip outwardly convex, network management and absorbable flexibility
Layer is strutted and is bonded with the wall surface of the defect area of bone, then passes through the filler of inner tube filled into network management, by bone
Defect area filling.Using nut cap by the lower end of the lower end of network management and inner tube is relatively fixed and lower end closed by network management, prevent
Only implantation material is revealed from network management, and the pressure of network management upper and lower ends is kept simultaneously also by inner tube, and the shape of network management is made to keep solid
It is fixed.The filler of inside filling is fixed into the shape for adapting to the defect area of bone by modified strip and absorbable flexible layer, so that
Filler can be matched with the defect area of bone, and implantation effect is preferable.
Specifically, two or more modified strips 11 are parallel to each other and are circumferentially uniformly distributed the network management 1 for surrounding tubular.Net
The lower end of pipe 1 can be also provided with card slot and nut cap 4 is clamped by connecting in inside setting internal screw thread with nut cap 4.Absorbable flexibility
Layer 2 is woven using absorbable suture, is covered on outside network management 1.Absorbable flexible layer 2 can be cylindrical, is set in
Outside network management 1, the upper end is connected to the lateral surface of 1 upper end of network management, and lower end is connected to the lateral surface of network management lower end.In relaxation state
Under, the mode that folding can be used in absorbable flexible layer 2 is fitted in 1 outside of network management；Under softened state, it can absorb flexible layer 2 and is unfolded
It is covered on outside distracted network management 1.Inner tube 3 is cylindrical to be arranged in 1 inner cavity of network management, and the upper end of the upper end and network management 1 is fixed to be connected
It connects or is rotatablely connected.The side wall of inner tube 3 can by setting intercommunicating pore 31 will be between the inner cavity of inner tube 3 and inner tube 3 and network management 1
Space connection, enables filler to enter in network management 1 from inner tube 3.The lower end of inner tube 3 be in tubular, can by
Inside setting internal screw thread is connect with nut cap 4, is also provided with card slot and nut cap 4 is clamped.It can be respectively set in nut cap 4 and network management 1
The external screw thread that connecting pin is connected with the lower end of inner tube 3 is also possible to be clamped with the connecting pin of network management 1 and the lower end of inner tube 3 respectively
Buckle, inner tube 3 is pulled outwardly by nut cap 4 from the lower end of network management 1, moves toward one another the lower end of network management 1 and upper end, will
The both ends of modified strip 11 are squeezed to centre.
In use, first clearing up the defect area of bone, and the shape of defect area is repaired into spherical, elliposoidal
Or other approximate shapes, rear modified strip 11, which is strutted, convenient for network management 1 is bonded with the wall surface of the defect area of bone.Orthopaedics is netted
Molding machine is sent into the defect area of bone from the opening of operation.By the lower end for pulling inner tube 3 downwards from the lower end of network management 1
Keep the top and bottom of network management 1 close to each other, the middle part outwardly convex of modified strip 11, network management 1 is in softened state at this time.Network management
Strut after shape can be spherical or elliposoidal.The defect area of distracted network management 1 and absorbable flexible layer 2 and bone
Wall surface fitting.Then be added for example tiny bone block of filler, liquid artificial bone etc. into inner tube 3, filler by intercommunicating pore 31 into
Enter in network management 1, the absorbable flexible layer 2 being covered on outside modified strip 11 can prevent filler from letting out from the gap between modified strip 11
Dew.Inner tube 3 is connected with outer tube finally by nut cap 4 and blocks 1 lower end of 3 lower end of inner tube and network management.Pressurization can be used in filler
Mode be filled into network management 1 with certain pressure by inner tube 3 so that certain pressure is formed in network management 1, by bone defects region
The side wall support collapsed.After the completion of filling, can also on bone mounting screw, between screw penetrates between adjacent deformations item 11
The netted molding machine of orthopaedics is fixed in gap.It can perform the operation again later, nut cap 4 is removed, inner tube 3 is drilled out, is then passed through
Cutting equipment cuts off closed end and the junction of modified strip 11, then takes out modified strip 11 by root from the defect area of bone
Out.
Further, as shown in figure 5, a kind of specific implementation as the netted molding machine of orthopaedics provided by the utility model
Mode, the network management 1 have inside and outside two be arranged, and the modified strip 11 in the same network management 1 is parallel to each other, the different nets
It is arranged between the modified strip 11 of pipe 1 in angle.
Specifically, at least two modified strips 11 are circumferentially uniformly distributed to form first layer network management 1, at least two modified strips 11
It is circumferentially uniformly distributed to form second layer network management 1.The modified strip 11 of first layer network management 1 is in an upward direction at precession clockwise
Spiral shape, the modified strip 11 of second layer network management 1 is in an upward direction at the spiral shape of precession counterclockwise.Second layer network management 1
It is enclosed in outside first layer network management 1, the modified strip 11 of first layer network management 1 and the modified strip 11 of second layer network management 1 form an angle friendship
Fork, so that the mesh for forming diamond shape is laminated in first layer network management 1 and second layer network management 1.After the completion of filling, it can be installed on bone
Screw, screw penetrate in the mesh of diamond shape, and the netted molding machine of orthopaedics is fixed.
Further, as shown in Figs. 1-5, as a kind of specific reality of the netted molding machine of orthopaedics provided by the utility model
Mode is applied, the closed plate 13 for closing 1 upper end of network management, the upper end of the modified strip 11 is arranged in the upper end of the network management 1
It is distributed along the outer rim of the closed plate 13 and is connect with the outer rim of the closed plate 13.
Specifically, closed plate 13 is circular plate structure.The modified strip be parallel to network management axis setting and circumferentially
It is uniformly distributed, the upper end of modified strip is connect with the outer rim of the closed plate, so that closed plate 13 is by the upper end closed of network management 1.
Further, as shown in Figures 2 and 4, specific as one kind of the netted molding machine of orthopaedics provided by the utility model
The upper end of embodiment, the upper end of said inner tube 3 and the network management 1 is rotatablely connected.
Specifically, circular 13 center of closed plate it is vertical shaft 14 is installed, being connected to for upper end rotation of inner tube 3 turns
On axis 14.In use, being installed by the handle with inner sleeve and outer tube.The inner sleeve and outer tube of handle are set in
Together and be connected through a screw thread.The inner sleeve of handle is threadedly coupled or is clamped with second connection end.Outer tube is connect with first
End is threadedly coupled or clamping.Rotary sleeve pipe or inner sleeve, enable outer tube and inner sleeve is axially opposed moves, outward
Drawing inner tube 3 deforms the modified strip 11 of network management 1.
Further, as shown in Figures 2 and 4, specific as one kind of the netted molding machine of orthopaedics provided by the utility model
Embodiment, the lower end of the network management 1 are equipped with the connecting tube 12 for connecting the nut cap 4, the lower end edge of the modified strip 11
The connecting tube 12 circumferentially distributed is simultaneously connect with the connecting tube 12,12 inner wall of connecting tube be equipped with for the nut cap
The internal screw thread of threaded connection.
Specifically, the connecting tube 12 is coaxially disposed in tubular and with network management 1, the inner wall of connecting tube 12 be equipped with with
In the internal screw thread being threadedly coupled with nut cap 4.12 upper end of connecting tube is circumferentially distributed and equal described in the lower end edge of the modified strip 11
The even upper end for being connected to the connecting tube 12.When network management 1 has inside and outside two be arranged, the lower end connection of two network managements 1
In the upper end of the same connecting tube 12.
Further, as shown in Figures 2 and 4, specific as one kind of the netted molding machine of orthopaedics provided by the utility model
Embodiment, said inner tube 3 are equipped with the intercommunicating pore through 3 side wall of said inner tube.Specifically, intercommunicating pore 31 is through inner tube 3
Space between the inner cavity of inner tube 3 and inner tube 3 and network management 1 is connected to by side wall, and filler is enabled to enter net from inner tube 3
In pipe 1.
Further, as shown in Figures 2 and 4, specific as one kind of the netted molding machine of orthopaedics provided by the utility model
Embodiment, the inner wall of 3 lower end of said inner tube are equipped with the internal screw thread for being threadedly coupled with the nut cap 4.Specifically, inner tube 3
It is coaxially disposed in tubular and with network management 1, the lower end of inner tube 3 is threadedly coupled by internal screw thread with nut cap 4.
Further, as shown in Figures 2 and 4, specific as one kind of the netted molding machine of orthopaedics provided by the utility model
Embodiment, the nut cap 4 include that lateral wall sets threaded first cylindrical section 41 and coaxially sets with first cylindrical section 41
It sets and lateral wall sets threaded second cylindrical section 42, the diameter of first cylindrical section 41 is less than second cylindrical section 42
Diameter.
Specifically, the side wall of the first cylindrical section 41 is equipped with external screw thread, the lateral wall of the second cylindrical section 42 is equipped with outer spiral shell
Line.After network management 1 struts, the lower end of inner tube 3 is pulled downward at 1 lower end of network management, the first cylindrical section 41 in nut cap 4 and the
Two cylindrical sections 42 are connect with the lower thread of the lower end of inner tube 3 and network management respectively, so that the lower end phase of the lower end of inner tube 3 and network management
To fixation, network management 1 keeps softened state.
Further, as shown in Figures 2 and 4, specific as one kind of the netted molding machine of orthopaedics provided by the utility model
Embodiment, the modified strip 11 are Shape Memory Alloy member.In the top and bottom of the modified strip 11 in opposite directions after,
The modified strip 11 is in the shape memory being bonded with the wall surface in the bone defects region.Specifically, the network management 1 in upper end and
In opposite directions after, modified strip 11 is deformed into the shape memory to match with the wall surface at bone defects position for lower end.Network management 1 can be adopted
Be made of with the same or similar memorial alloy of intravascular stent, shape memory according to the size at the bone defects position of patient,
Shape determines, can fill up the Vertebral defect position of patient after strutting network management 1, and play certain supporting role.
Further, as shown in Figures 2 and 4, specific as one kind of the netted molding machine of orthopaedics provided by the utility model
Embodiment, the absorbable flexible layer 2 are absorbable suture braiding layer.Specifically, absorbable flexible layer 2 can be used and can inhale
It receives suture to weave, absorbable suture is the specific can be that polymer chemistry synthetic thread, pure-natural collagen suture
Line etc..
Do not make the technical characteristic illustrated in above-mentioned each specific embodiment, can in other specific embodiments
Technical characteristic is identical.
The relative positions concepts such as " top ", " lower section " mentioned in the explanation of above-mentioned each specific embodiment, should manage
Solution be the positional relationship of specific embodiment of the present utility model in a normal state, be used only for specific embodiment into
Row clearly illustrates, can not be construed as a limitation of the present invention.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of netted molding machine of orthopaedics characterized by comprising
The network management (1) of upper end closed, the network management (1) include multiple ring-shaped distributed modified strips (11)；
It is coated on the absorbable flexible layer (2) of the network management (1) outside；
Inner tube (3) in the inner cavity of the network management (1) and for filler to be imported to the network management (1) inner cavity, it is described interior
The upper end of pipe (3) is connect with the upper end of the network management (1), and the length of said inner tube (3) is less than the length of the network management (1)；
And
Nut cap (4), the nut cap (4) is for connecting and sealing with the lower end of the lower end of the network management (1) and said inner tube (3) respectively
Block up the lower end of the network management (1).
2. the netted molding machine of orthopaedics according to claim 1, it is characterised in that: the network management (1) has inside and outside be arranged
Two, the modified strip (11) in the same network management (1) is parallel to each other, the modified strip (11) of the different network managements (1)
Between in angle be arranged.
3. the netted molding machine of orthopaedics according to claim 1, it is characterised in that: the upper end of the network management (1), which is arranged, to be used
In the closed plate (13) for closing network management (1) upper end, the outer rim of closed plate (13) described in the upper end edge of the modified strip (11)
It is distributed and is connect with the outer rim of the closed plate (13).
4. the netted molding machine of orthopaedics according to claim 1, it is characterised in that: the upper end of said inner tube (3) with it is described
The upper end of network management (1) is rotatablely connected.
5. the netted molding machine of orthopaedics according to claim 1, it is characterised in that: the lower end of the network management (1), which is equipped with, to be used
In the connecting tube (12) for connecting the nut cap (4), connecting tube (12) described in the lower end edge of the modified strip (11) it is circumferentially distributed
And connect with the connecting tube (12), connecting tube (12) inner wall is equipped with the internal screw thread for being threadedly coupled with the nut cap.
6. the netted molding machine of orthopaedics according to claim 1, it is characterised in that: said inner tube (3), which is equipped with, runs through institute
State the intercommunicating pore of inner tube (3) side wall.
7. the netted molding machine of orthopaedics according to claim 1, it is characterised in that: the inner wall of said inner tube (3) lower end is set
There is the internal screw thread for being threadedly coupled with the nut cap (4).
8. the netted molding machine of orthopaedics according to claim 1-7, it is characterised in that: the nut cap (4) includes
Lateral wall set threaded first cylindrical section (41) and with first cylindrical section (41) coaxial arrangement and lateral wall be equipped with screw thread
The second cylindrical section (42), the diameter of first cylindrical section (41) is less than the diameter of second cylindrical section (42).
9. the netted molding machine of orthopaedics according to claim 1-7, it is characterised in that: the modified strip (11) is
Shape Memory Alloy member.
10. the netted molding machine of orthopaedics according to claim 1-7, it is characterised in that: the absorbable flexibility
Layer (2) is absorbable suture braiding layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721747967.1U CN208582557U (en) | 2017-12-14 | 2017-12-14 | The netted molding machine of orthopaedics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721747967.1U CN208582557U (en) | 2017-12-14 | 2017-12-14 | The netted molding machine of orthopaedics |
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| Publication Number | Publication Date |
|---|---|
| CN208582557U true CN208582557U (en) | 2019-03-08 |
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ID=65531536
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721747967.1U Active CN208582557U (en) | 2017-12-14 | 2017-12-14 | The netted molding machine of orthopaedics |
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| Country | Link |
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| CN (1) | CN208582557U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108095859A (en) * | 2017-12-14 | 2018-06-01 | 河北瑞鹤医疗器械有限公司 | The netted molding machine of orthopaedics |
| WO2021147582A1 (en) * | 2020-01-22 | 2021-07-29 | 宁波华科润生物科技有限公司 | Percutaneous intervertebral fusion system |
-
2017
- 2017-12-14 CN CN201721747967.1U patent/CN208582557U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108095859A (en) * | 2017-12-14 | 2018-06-01 | 河北瑞鹤医疗器械有限公司 | The netted molding machine of orthopaedics |
| CN108095859B (en) * | 2017-12-14 | 2024-01-12 | 河北瑞鹤医疗器械有限公司 | Net-shape shaper for orthopaedics |
| WO2021147582A1 (en) * | 2020-01-22 | 2021-07-29 | 宁波华科润生物科技有限公司 | Percutaneous intervertebral fusion system |
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