CN210872255U - Holding device for mesh fusion cage - Google Patents
Holding device for mesh fusion cage Download PDFInfo
- Publication number
- CN210872255U CN210872255U CN201921422963.5U CN201921422963U CN210872255U CN 210872255 U CN210872255 U CN 210872255U CN 201921422963 U CN201921422963 U CN 201921422963U CN 210872255 U CN210872255 U CN 210872255U
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- long pipe
- clamping
- pressing block
- push rod
- inner sleeve
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Abstract
The utility model provides a netted integration ware is held and is got ware, include: the long pipe is provided with a connecting end, and the side wall of the long pipe is provided with a sliding hole or two symmetrical sliding holes; the clamping piece is provided with a clamping end and an expanding end, and the expanding end of the clamping piece is connected with the connecting end of the long pipe; when the opening end is opened, the clamping end is in a clamping state, and when the opening end is closed, the clamping end is in a loose state; the push rod is arranged in the long pipe; the inner sleeve is sleeved on the long pipe; the utility model discloses an endotheca motion drives the push rod and advances or retreat along long tube direction axial, makes the push rod insert or shift out the start of propping of holder, makes the holder of holder press from both sides tight netted integration ware or be in lax state, breaks away from netted integration ware, just can guarantee in the use that the polytropy of clamp force and the instability of propulsion process just can not appear.
Description
Technical Field
The utility model relates to the field of medical equipment, especially indicate a netted integration ware holder.
Background
Degenerative changes of the vertebral body caused by aging process are the main cause of cervical spondylosis, and are usually manifested as spinal canal stenosis caused by osteophyte and intervertebral disc protrusion. The titanium mesh fusion cage is mainly used for clinical treatment of anterior decompression bone grafting fusion of vertebral body diseases, a titanium mesh holding forceps is usually adopted for holding the fusion cage at present, when the fusion cage is clamped, the clamping force is provided by the radial holding force of a person on a rear end forceps handle, meanwhile, the axial thrust is also accompanied, so that the clamping force has variability and instability is generated in the pushing process, and when the forceps type structure is used in a lumbar access way, a large window needs to be opened on the side surface of the lumbar part to implant the titanium mesh fusion cage, in addition, the length of a holder of the forceps type structure is short, and the titanium mesh fusion cage is conveniently implanted by a long holder when the waist side access way is needed. To this end, a mesh cage holder is proposed.
Disclosure of Invention
The utility model discloses to solve in current netted integration holder use, the clamp force has the polytropy and deepens length inadequately, and the operation opening strengthens to and advance the technical problem of in-process instability, provide a netted integration ware holder.
The utility model provides a technical scheme as follows:
a mesh cage holder comprising: the long pipe is provided with a connecting end, and the side wall of the long pipe is provided with a sliding hole or two symmetrical sliding holes; the clamping piece is provided with a clamping end and an expanding end, and the expanding end of the clamping piece is connected with the connecting end of the long pipe; when the opening end is opened, the clamping end is in a clamping state, and when the opening end is closed, the clamping end is in a loose state; the push rod is arranged in the long pipe; the inner sleeve is sleeved on the long pipe; the sliding pin penetrates through the sliding hole and is connected to the inner wall of the inner sleeve, and one section of the sliding pin, which is positioned in the long pipe, is connected with the push rod;
the inner sleeve is pushed or retreated along the long pipe axial direction to drive the push rod to be inserted into or moved out of the opening end, so that the clamping end is clamped or loosened.
In the technical scheme, the push rod is driven to axially move by the axial movement of the inner sleeve, so that the push rod is inserted into or moved out of the opening end of the clamping piece, and the clamping end of the clamping piece clamps the mesh-shaped fusion device or is in a loose state to be separated from the mesh-shaped fusion device.
Preferably, the clamping piece comprises a first pressing block and a second pressing block, and the first pressing block and the second pressing block are connected to the connecting end of the long pipe to form the clamping piece.
Preferably, the side walls of the ends, far away from the long tube, of the first pressing block and the second pressing block are clamping parts formed by conical surfaces and arc surfaces, and the conical surfaces of the first pressing block and the second pressing block are opposite.
Preferably, the method further comprises the following steps: the two ends of the spring are respectively connected to the side walls, opposite to the first pressing block and the second pressing block, of the spring, and the clamping end is used for moving the push rod out of the opening end and then automatically recovering the relaxation state.
Preferably, the method further comprises the following steps: at least one claw stop pin connected to the connecting end of the long tube for limiting the travel distance of the push rod.
In this technical scheme, through setting up claw shelves round pin to the biggest travel distance of restriction push rod, thereby the biggest distance that struts of restriction distraction end, thereby the maximum clamping degree of restriction holder.
Preferably, the sliding pin is slidably connected with the inner wall of the inner sleeve.
In the technical scheme, the sliding pin is in sliding connection with the inner wall of the inner sleeve, and when the inner sleeve is spirally pushed or spirally retreated along the long pipe, the sliding pin is driven to advance or retreat, so that the push rod is driven to advance or retreat.
Preferably, at least one end of the sliding pin positioned outside the long pipe is fixedly connected to the inner wall of the inner sleeve.
Preferably, the method further comprises the following steps: the outer sleeve is sleeved on the long pipe, the outer sleeve is connected with the inner sleeve, the inner sleeve is positioned in the outer sleeve, and the outer sleeve is rotated to drive the inner sleeve to advance or retreat along the axial direction so as to enable the push rod to advance or retreat.
In the technical scheme, the outer sleeve is additionally arranged and is in threaded connection with the inner sleeve, and when the outer sleeve rotates clockwise or anticlockwise around the peripheral wall of the long pipe, the inner sleeve is driven to advance or retreat along the axial direction of the long pipe, so that the push rod is driven to advance or retreat along the direction of the long pipe.
Preferably, the method further comprises the following steps: the handle is sleeved at one end, far away from the long pipe connecting end, of the long pipe.
Compared with the prior art, the utility model provides a pair of netted integration ware is held and is got ware has following beneficial effect:
1. the utility model discloses an endotheca motion drives the push rod and advances or retreat along long tube direction axial, makes the push rod insert or shift out the start of propping of holder, makes the holder of holder press from both sides tight netted integration ware or be in lax state, breaks away from netted integration ware, just can guarantee in the use that the polytropy of clamp force and the instability of propulsion process just can not appear.
2. The utility model discloses a change the structural design of holder, the clamping part of the conical surface can stretch into the mesh of netted integration ware in, when the centre gripping fuses the ware, the conical surface of its first briquetting and second briquetting and the better contact of the mesh of netted integration ware, when increasing area of contact, the centre gripping scope is bigger, and the direction is more, and stability is stronger, and the spring is added to the rethread to guarantee to shift out at the push rod and prop after the end, the exposed core of holder can the automatic recovery state of laxing.
3. Through adding the overcoat, overcoat and endotheca motion each other, the overcoat is rotatory around long tube perisporium, drives the endotheca along long tube axial motion, also can play the effect of restriction simultaneously for the endotheca after the regulation can keep quiescent condition, just can not appear the polytropy of clamp force and the instability of propulsion process in the use.
Drawings
The foregoing features, technical features, advantages and implementations of a mesh cage holder will be further described in the following, which will be clearly understood and appreciated from the following, with reference to the accompanying drawings, which illustrate preferred embodiments.
Fig. 1 is a schematic structural view of a retainer of a mesh-shaped fusion cage according to the present invention;
FIG. 2 is a schematic view of a first press block structure of the retainer of the mesh-type fusion cage of the present invention;
fig. 3 is a schematic structural view of an embodiment of a mesh cage holder of the present invention;
fig. 4 is a schematic structural view of another embodiment of a mesh cage holder according to the present invention;
fig. 5 is a schematic structural view of another embodiment of a mesh cage holder according to the present invention;
FIG. 6 is a schematic perspective view of FIG. 5;
FIG. 7 is a schematic view of the alternate view structure of FIG. 6;
FIG. 8 is an enlarged view of a portion of the structure of FIG. 7;
fig. 9 is a schematic view of the clamping mesh cage of the present invention.
The reference numbers illustrate: the clamping device comprises a clamping piece 1, a first pressing block 1a, a second pressing block 1b, a spring 2, a claw pin 3, a long pipe 4, a claw stop pin 5, a push rod 6, an adjusting pin 7, an outer sleeve 8, an inner sleeve 9, a sliding pin 10 and a handle 11.
Detailed Description
In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.
For the sake of simplicity, only the parts relevant to the present invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
According to an embodiment of the present invention, as shown in fig. 1, a holding device for a mesh fusion cage comprises: the long pipe 4 is provided with a connecting end, and the side wall of the long pipe 4 is provided with a sliding hole or two symmetrical sliding holes; the clamping piece 1 is provided with a clamping end and an expanding end, and the expanding end of the clamping piece 1 is connected with the connecting end of the long pipe 4; when the opening end is opened, the clamping end is in a clamping state, and when the opening end is closed, the clamping end is in a loose state;
the push rod 6, the push rod 6 is set up in long tube 4; the inner sleeve 9 is sleeved on the long tube 4, and the inner sleeve 9 is sleeved on the long tube 4; the sliding pin 10 penetrates through the sliding hole and is connected to the inner wall of the inner sleeve 9, and one section of the sliding pin 10, which is positioned in the long pipe 4, is connected with the push rod 6;
in the specific implementation:
when a sliding hole is formed, one end of the sliding pin 10 is connected with the push rod 6, and the other end of the sliding pin passes through the sliding hole and is connected to the inner wall of the inner sleeve 9;
when two symmetrical sliding holes are formed, the sliding pin 10 penetrates through the two sliding holes, two ends of the sliding pin 10 are connected to the inner wall of the inner sleeve 9, and one section of the side wall of the sliding pin 10, which is positioned in the long tube 4, is connected with the push rod 6;
when the sliding pin 10 is connected with the inner wall of the inner sleeve 9 in a sliding manner, the push rod 6 can be driven to move along the long tube 4 by the inner sleeve 9 sliding along the long tube 4 in the axial direction; the push rod 6 can also be driven to move along the direction of the long tube 4 by rotating the inner sleeve 9 through the threaded connection between the inner sleeve 9 and the outer wall of the long tube 4;
when the sliding pin 10 is fixedly connected with the inner wall of the inner sleeve 9 of the long tube 4, the inner sleeve 9 can only slide along the axial direction of the long tube 4 to drive the push rod 6 to move along the direction of the long tube 4;
in this embodiment, the connection mode between the sliding pin 10 and the inner sleeve 9 is specifically any, and this embodiment is not limited to a specific one. Wherein, the inner sleeve 9 is pushed or retreated along the long tube 4 to drive the push rod 6 to be inserted into or moved out of the opening end so as to clamp or loosen the clamping end.
In another embodiment of the present invention, as shown in fig. 2 and 8, the clamping member 1 includes a first pressing block 1a and a second pressing block 1b, the first pressing block 1a and the second pressing block 1b are connected to the connecting end of the long tube 4 to form the clamping member 1, when the clamping member is implemented, the first pressing block 1a and the second pressing block 1b are hinged by the claw pin 3, and when the ends of the first pressing block 1a and the second pressing block 1b located at the same side are kept away from each other, the other ends of the first pressing block 1a and the second pressing block 1b located at the same side will be close to each other.
The side wall of one end of the long tube 4, far away from by the conical surface and the clamping part formed by the cambered surface, of the first pressing block 1a and the second pressing block 1b is opposite to each other, the conical surfaces of the first pressing block 1a and the second pressing block 1b are opposite to each other, when the first pressing block 1a and the second pressing block 1b stretch into meshes of the mesh fusion device, the clamping part characteristics of the first pressing block 1a and the second pressing block 1b are matched with the titanium mesh fusion device, and the titanium mesh fusion device can be stably held when the front section is folded. In another embodiment of the present invention, as shown in fig. 3, the device further comprises a spring 2, two ends of the spring 2 are respectively connected to the opposite side walls of the first pressing block 1a and the second pressing block 1b, for the clamping end can automatically recover to the loose state after the push rod 6 is moved out of the opening end, when in use, the spring 2 ensures that the clamping part on the first pressing block 1a and the second pressing block 1b can be better opened, and when loosening the mesh fusion device, the mesh fusion device can be easily separated from the first pressing block 1a and the second pressing block 1 b.
Further comprising: at least one claw stop pin 5, the claw stop pin 5 is connected on the connecting end of the long tube 4 and used for limiting the clamping heads 1a and 1b to be excessively spread to exceed the interval of the titanium meshes, meanwhile, the clamping heads 1a and 1b are kept in the middle position and cannot freely rotate, and the condition of inconvenient use is avoided.
In another embodiment of the present invention, as shown in fig. 1, a sliding pin 10 is pin-hole connected to the inner sleeve 9 and extends through the long tube 4.
In specific implementation, the sliding pin 10 is connected with the pin hole of the inner sleeve 9, and the push rod 6 can be driven to move along the long tube 4 by the axial sliding of the inner sleeve 9 along the long tube 4; the inner sleeve 9 can be connected with the outer wall of the long tube 4 through threads, and the push rod 6 can be driven to move along the direction of the long tube 4 by rotating the inner sleeve 9, in this embodiment, the inner sleeve 9 is connected with the outer wall of the long tube 4 through threads.
In another embodiment of the present invention, as shown in fig. 4, at least one end of the sliding pin 10 located outside the long tube 4 is fixedly connected to the inner wall of the inner sleeve 9, in this embodiment, two symmetrical sliding holes are provided on the long tube 4, the sliding pin 10 passes through the two sliding holes, and two ends of the sliding pin 10 are respectively fixedly connected to the inner wall of the inner sleeve 9, so that the sliding pin 10, the inner sleeve 9, and the push rod 6 become one body and can only move axially relative to the outer tube 4.
The novel push rod device is characterized by further comprising an outer sleeve 8, the outer sleeve 8 is sleeved on the long tube 4, in the specific implementation process, an adjusting pin 7 is inserted into the side wall of the long tube 4, a slide way is formed in the inner wall of one end, far away from the inner sleeve 9, of the outer sleeve 8, two ends of the adjusting pin 7 slide in the slide way, the outer sleeve 8 of the adjusting pin 7 only rotates around the outer wall of the long tube 4 and cannot move axially, the outer sleeve 8 is in threaded connection with the inner sleeve 9, the inner sleeve 9 is located in the outer sleeve 8, and the inner sleeve 9 can only move axially, so that the inner sleeve 9 can be driven to advance or retreat along the axial direction by rotating.
In another embodiment of the present invention, as shown in fig. 5 to 9, the method further comprises: the handle 11 is sleeved at one end of the long pipe 4 far away from the connecting end of the long pipe 4; in the specific implementation, the handle core is filled between the inner wall of the handle 11 and the outer wall of the long pipe 4; the other end of the handle 11, which is far away from the long tube 4, is connected with a sealing cap, and when the sealing cap is knocked in the use process, the acting force is directly transmitted to the clamping head, so that the titanium mesh fusion cage is conveniently implanted between the vertebral bodies.
In this embodiment, the combination of the handle 11, the handle 11 core and the sealing cap can hold the long tube 4 well when the holder is used to hold and take the fusion device, so that the mesh fusion device is comfortable to hold and take.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A mesh cage holder, characterized in that: comprises that
The long pipe is provided with a connecting end, and the side wall of the long pipe is provided with a sliding hole or two symmetrical sliding holes;
the clamping piece is provided with a clamping end and an expanding end, and the expanding end of the clamping piece is connected with the connecting end of the long pipe;
when the opening end is opened, the clamping end is in a clamping state, and when the opening end is closed, the clamping end is in a loose state;
the push rod is arranged in the long pipe;
the inner sleeve is sleeved on the long pipe;
the sliding pin penetrates through the sliding hole and is connected to the inner wall of the inner sleeve, and one section of the sliding pin, which is positioned in the long pipe, is connected with the push rod;
the inner sleeve is pushed or retreated along the long pipe axial direction to drive the push rod to be inserted into or moved out of the opening end, so that the clamping end is clamped or loosened.
2. The mesh cage retainer according to claim 1, wherein: the holder includes:
the clamping device comprises a first pressing block and a second pressing block, wherein the first pressing block and the second pressing block are connected to the connecting end of the long pipe to form a clamping piece.
3. A mesh cage holder according to claim 2, wherein: the side wall of one end of each of the first pressing block and the second pressing block, which is far away from the long tube, is provided with a clamping part formed by a conical surface and an arc surface, and the conical surface of the first pressing block is opposite to the conical surface of the second pressing block.
4. The mesh cage retainer according to claim 1, wherein: further comprising:
the two ends of the spring are respectively connected to the side walls, opposite to the first pressing block and the second pressing block, of the spring, and the clamping end is used for moving the push rod out of the opening end and then automatically recovering the relaxation state.
5. The mesh cage retainer according to claim 1, wherein: further comprising:
at least one claw stop pin connected to the connecting end of the long tube for limiting the travel distance of the push rod.
6. The mesh cage retainer according to claim 1, wherein: the sliding pin is connected with the inner wall of the inner sleeve in a sliding mode.
7. The mesh cage retainer according to claim 1, wherein: and at least one end of the sliding pin, which is positioned outside the long pipe, is fixedly connected to the inner wall of the inner sleeve.
8. The mesh cage retainer according to claim 7, wherein: further comprising:
the outer sleeve is sleeved on the long pipe, the outer sleeve is connected with the inner sleeve, the inner sleeve is positioned in the outer sleeve, and the outer sleeve is rotated to drive the inner sleeve to advance or retreat along the axial direction so as to enable the push rod to advance or retreat.
9. The mesh cage retainer according to claim 1, wherein: further comprising:
the handle is sleeved at one end, far away from the long pipe connecting end, of the long pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921422963.5U CN210872255U (en) | 2019-08-29 | 2019-08-29 | Holding device for mesh fusion cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921422963.5U CN210872255U (en) | 2019-08-29 | 2019-08-29 | Holding device for mesh fusion cage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210872255U true CN210872255U (en) | 2020-06-30 |
Family
ID=71310494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921422963.5U Active CN210872255U (en) | 2019-08-29 | 2019-08-29 | Holding device for mesh fusion cage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210872255U (en) |
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2019
- 2019-08-29 CN CN201921422963.5U patent/CN210872255U/en active Active
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