CN217660091U - Quick connecting sleeve for pedicle screw - Google Patents
Quick connecting sleeve for pedicle screw Download PDFInfo
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- CN217660091U CN217660091U CN202220455051.3U CN202220455051U CN217660091U CN 217660091 U CN217660091 U CN 217660091U CN 202220455051 U CN202220455051 U CN 202220455051U CN 217660091 U CN217660091 U CN 217660091U
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- sleeve
- groove
- slot
- pedicle screw
- elastic sheet
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Abstract
The utility model relates to the technical field of a pedicle screw quick connecting sleeve, in particular to a pedicle screw quick connecting sleeve, which is characterized by comprising a sleeve and a sleeve; the front end of the sleeve is provided with a first slot, and the tail of the sleeve is provided with a spring plate; the front end of the sleeve is provided with a second slot matched with the first slot, and the middle part of the sleeve is provided with a groove; the groove is oval, and two groups of first through holes are formed in the front end and the rear end of the groove; the lower end of the front part of the elastic sheet is provided with a boss I matched with the through hole I; the sleeve is locked at the front end of the sleeve through the elastic sheet and the groove. The utility model has the advantages that the invention is a novel split structure, the installation and the disassembly are convenient, one tool can be saved, the operation steps of the operation are simplified, the operation time is saved, and the infection risk is reduced; the function of the product is optimized, and meanwhile, the purpose of operation can be accurately, quickly and effectively achieved.
Description
Technical Field
The utility model belongs to the technical field of pedicle of vertebral arch nail quick connection cover technique and specifically relates to a pedicle of vertebral arch nail quick connection cover.
Background
The minimally invasive spine surgery is a surgical concept for achieving the best surgery curative effect with the minimum invasion and the minimum physiological interference on the premise of not influencing the curative effect, and is mainly characterized in that the minimally invasive spine surgery achieves the purpose of minimizing the trauma of a human body compared with the conventional surgery. Since accidental wounds are extremely harmful to human bodies and difficult to avoid, the surgical operation is a planned wound, and operators strive to minimize the surgical wound, namely achieve the purpose of minimally invasive surgery. Compared with the open spinal surgery, the spinal minimally invasive surgery technology has the main purpose of treating spinal diseases through various minimally invasive means, achieving the same or better curative effect as the open spinal surgery, simultaneously reducing the operative trauma of a patient to the maximum extent, promoting the early recovery of the patient and reducing the postoperative sequelae. The pedicle screw is a common part in a minimally invasive spine operation, an existing tool for connecting the pedicle screw needs to be matched with an unlocking device for use, and the vertebral body rotation removing effect is poor.
SUMMERY OF THE UTILITY MODEL
In order to overcome the current not enough, the utility model provides a pedicle screw quick connecting sleeve.
The utility model provides a technical scheme that its technical problem adopted is: a quick connecting sleeve for pedicle screws is characterized by comprising a sleeve and a sleeve; the front end of the sleeve is provided with a first slot, and the tail of the sleeve is provided with a spring plate; the front end of the sleeve is provided with a second slot matched with the first slot, and the middle part of the sleeve is provided with a groove; the groove is oval, and two groups of first through holes are formed in the front end and the rear end of the groove; the lower end of the front part of the elastic sheet is provided with a boss I matched with the through hole I; the sleeve is locked at the front end of the sleeve through the elastic sheet and the groove.
According to another embodiment of the present invention, further comprising that the sleeve is a hollow structure, the middle part is a trapezoid structure, and the diameter of the front end is larger than that of the tail end; the tail end of the sleeve is provided with a first identification groove.
According to the utility model discloses a further embodiment, further include, sleeve front end inside is equipped with boss two that is used for locking pedicle screw.
According to the utility model discloses a further embodiment, further include, boss two is equipped with four groups, be equipped with a set of through-hole two between two sets of bosses.
According to the utility model discloses a further embodiment, further include, the sleeve pipe is the hollow body of rod, and the front end is equipped with oval through-hole three of two sets of symmetries, and the tail end is equipped with sign groove two and spread groove.
According to another embodiment of the present invention, further comprising that the first through hole of the sleeve groove is a locking position, and the first through hole at the rear end is a retraction position; the locking position and the retraction position are matched with the size of the boss at the lower end of the elastic sheet.
According to the utility model discloses a further embodiment, further include, slot one and slot two Y word structures, the size matches each other, and the edge circular arc is handled.
According to another embodiment of the present invention, it is further comprised that the sleeve and the sleeve are made of a-PH stainless steel material.
The utility model has the advantages that the invention is a novel split structure, the installation and the disassembly are convenient, one tool can be saved, the operation steps of the operation are simplified, the operation time is saved, and the infection risk is reduced; the function of the product is optimized, and meanwhile, the purpose of operation can be accurately, quickly and effectively achieved.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a top view of the sleeve;
FIG. 4 is a left side view of the sleeve;
FIG. 5 is a front view of the sleeve;
fig. 6 is a top view of the sleeve.
In the figure, the sleeve 1, the sleeve 2, the sleeve 3, the first slot 4, the second slot 5, the groove 6, the first through hole 7, the first boss 8, the first mark slot 9, the second boss 10, the second through hole 11, the third through hole 12, the second mark slot 13, the connecting slot 14 and the elastic sheet.
Detailed Description
Fig. 1 is a schematic structural view of the present invention, a pedicle screw rapid connection sleeve, which is characterized by comprising a sleeve 1 and a sleeve 2; the front end of the sleeve 1 is provided with a first slot 3, and the tail part of the sleeve is provided with an elastic sheet 14; the front end of the sleeve 2 is provided with a slot II 4 matched with the slot I3, and the middle part of the sleeve is provided with a groove 5; the groove 5 is oval, and two groups of through holes I6 are formed in the front end and the rear end; the lower end of the front part of the elastic sheet 14 is provided with a boss I7 matched with the through hole I6; the sleeve 1 is locked at the front end of the sleeve 2 through the elastic sheet 14 and the groove 5.
Specifically, the elastic sheet 14 can lock the sleeve 1 on the sleeve 2 through the boss one 7 at the lower end.
According to another embodiment of the present invention, further comprising that the sleeve 1 is a hollow structure, the middle part is a trapezoid structure, and the diameter of the front end is larger than that of the tail end; the tail end of the sleeve 1 is provided with a first identification groove 8.
According to the utility model discloses a further embodiment, further include, sleeve 1 front end inside is equipped with boss two 9 that are used for locking pedicle screw.
According to the utility model discloses a further embodiment, further include, two 9 of bosss are equipped with four groups, be equipped with two 10 of a set of through-hole between two 9 of two sets of bosss.
Specifically, the second boss 9 is used for connecting pedicle screws.
According to the utility model discloses a further embodiment, further include, sleeve pipe 2 is the hollow body of rod, and the front end is equipped with three 11 of the oval through-hole of two sets of symmetries, and the tail end is equipped with sign groove two 12 and spread groove 13.
Particularly, the second identification groove 12 is convenient for a doctor to distinguish and use; the connecting groove 13 is used for connecting an antagonistic wrench and plays an antagonistic role in locking.
According to another embodiment of the present invention, further comprising that the first through hole 6 of the casing groove 5 is a locking position, and the first through hole 6 at the rear end is a retraction position; the locking position and the retraction position are matched with the size of the first boss 7 at the lower end of the elastic sheet 14.
According to the utility model discloses a further embodiment, further include, slot one 3 and slot two 4 are Y word structure, and the size matches each other, and the marginal circular arc is handled, reduces the resistance and also prevents the fish tail doctor.
According to another embodiment of the present invention, it further comprises that the sleeve 2 and the sleeve 1 are made of 17-4PH stainless steel material, so that the service life is longer.
Specifically, the sleeve 2 is used for connecting pedicle screws, and the sleeve 1 is used for locking the connected pedicle screws.
The specific operation process comprises the steps of aligning a first slot 3 and a second slot 4 of a sleeve 2 and a sleeve 1, then inserting the sleeve 1 into the sleeve 2, after the sleeve 1 is jointed with the sleeve 2, placing the sleeve 1 at the retraction position of a first through hole 6, aligning the first slot 3 with a rod groove of a pedicle screw, holding the sleeve 2, inserting the quick connecting sleeve of the pedicle screw into the head of the pedicle screw, and hearing a click sound to indicate that a tool is clamped into a second boss 9; when the vertebral body is required to rotate in the operation, the vertebral pedicle screw is locked, the vertebral pedicle screw quick connecting sleeve can provide good holding force, the vertebral pedicle screw quick connecting sleeve is provided with a reset distance, and premature fracture of the long arm of the vertebral pedicle screw is effectively prevented.
The foregoing description is intended to be illustrative, rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations, or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. A quick connecting sleeve for pedicle screws is characterized by comprising a sleeve (1) and a sleeve (2); the front end of the sleeve (1) is provided with a first slot (3), and the tail part of the sleeve is provided with an elastic sheet (14); the front end of the sleeve (2) is provided with a second slot (4) matched with the first slot (3), and the middle part of the sleeve is provided with a groove (5); the groove (5) is oval, and two groups of first through holes (6) are formed in the front end and the rear end; the lower end of the front part of the elastic sheet (14) is provided with a boss I (7) matched with the through hole I (6); the sleeve (1) is locked at the front end of the sleeve (2) through the elastic sheet (14) and the groove (5).
2. The quick connecting sleeve for pedicle screws as claimed in claim 1, wherein the sleeve (1) has a hollow structure, a trapezoidal middle part, and a front end with a diameter larger than a tail end; the tail end of the sleeve (1) is provided with a first identification groove (8).
3. The quick connecting sleeve for pedicle screws as claimed in claim 2, wherein a second boss (9) for locking the pedicle screw is provided inside the front end of the sleeve (1).
4. The pedicle screw rapid connecting sleeve as claimed in claim 3, wherein four sets of the second bosses (9) are provided, and a set of second through holes (10) is provided between the two sets of the second bosses (9).
5. The pedicle screw rapid connection sleeve as claimed in claim 1, wherein the sleeve (2) is a hollow rod body, two sets of symmetrical oval through holes three (11) are arranged at the front end, and a marking groove two (12) and a connecting groove (13) are arranged at the tail end.
6. The pedicle screw quick connecting sleeve as claimed in claim 1, wherein the first through hole (6) of the sleeve groove (5) is a locking position, and the first through hole (6) at the rear end is a retraction position; the locking position and the retraction position are matched with the size of the first boss (7) at the lower end of the elastic sheet (14).
7. The pedicle screw rapid connecting sleeve as claimed in claim 1, wherein the first slot (3) and the second slot (4) have a Y-shaped structure, the sizes of the Y-shaped structures are matched with each other, and the edges are processed by arc treatment.
8. The pedicle screw rapid connection sleeve as claimed in claim 1, wherein the sleeve (2) and the sleeve (1) are made of 17-4PH stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220455051.3U CN217660091U (en) | 2022-03-04 | 2022-03-04 | Quick connecting sleeve for pedicle screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220455051.3U CN217660091U (en) | 2022-03-04 | 2022-03-04 | Quick connecting sleeve for pedicle screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217660091U true CN217660091U (en) | 2022-10-28 |
Family
ID=83731919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220455051.3U Active CN217660091U (en) | 2022-03-04 | 2022-03-04 | Quick connecting sleeve for pedicle screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217660091U (en) |
-
2022
- 2022-03-04 CN CN202220455051.3U patent/CN217660091U/en active Active
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