CN214966360U - Puncture needle for vertebroplasty - Google Patents
Puncture needle for vertebroplasty Download PDFInfo
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- CN214966360U CN214966360U CN202023327451.6U CN202023327451U CN214966360U CN 214966360 U CN214966360 U CN 214966360U CN 202023327451 U CN202023327451 U CN 202023327451U CN 214966360 U CN214966360 U CN 214966360U
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- needle
- metal sleeve
- vertebroplasty
- bone cement
- needle cap
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Abstract
The utility model provides a vertebroplasty puncture needle, include: the handle is provided with a sleeve fixing hole and a first connecting threaded column which are concentrically arranged; the metal sleeve is provided with a hollow channel, one end of the hollow channel is open, the other end of the hollow channel is closed, the open end of the metal sleeve is fixedly arranged in the sleeve fixing hole, and a bone cement outlet communicated with the hollow channel is formed in the side wall of the closed end of the metal sleeve; the metal ring is sleeved on the metal sleeve and is arranged on the first connecting threaded column; the threaded end cover is in threaded connection with the first connecting threaded column and used for fastening the metal circular ring on the first connecting threaded column; the handle and the threaded end cover are both made of non-metallic materials. The beneficial effects of the utility model reside in that a centrum shaping art pjncture needle is provided, can save the operation time, makes things convenient for doctor's operation, improves positioning accuracy, reduces the operation risk.
Description
Technical Field
The utility model relates to the technical field of medical equipment, specifically, relate to a vertebroplasty pjncture needle.
Background
The bone disease is a common disease and a frequently encountered disease of human beings, and the operation treatment is to treat the disease, if the fracture is in contraposition and is not aligned, the pain and the dysfunction of limbs are brought to the patients. The operation is carried out under the perspective monitoring of the C-shaped arm machine, the reduction of the fracture is facilitated, the adverse consequence caused by repeated repetition due to improper reduction is avoided, the operation efficiency of a doctor can be improved, the pain and the economic burden of a patient are relieved, and the operation effect is poor due to the fact that an X ray emitted by the C-shaped arm and a puncture needle form a certain angle in the traditional operation process.
In addition, in the existing vertebroplasty, a doctor needs to manually push a bone cement injector to inject bone cement into the spine of a patient in a close range, and the guide positioning of the existing puncture needle and the injection of the bone cement are respectively performed, so that the guide positioning of the puncture needle for multiple times in the vertebroplasty is required, the operation is complicated, and the stable operation is not facilitated.
In view of this, to the problem how to realize the synchronous simplified operation of pjncture needle guiding orientation and bone cement injection in the vertebroplasty, provide especially the utility model.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a vertebroplasty puncture needle, specifically, adopted following technical scheme:
a vertebroplasty needle comprising:
the handle is provided with a sleeve fixing hole and a first connecting threaded column which are concentrically arranged;
the metal sleeve is provided with a hollow channel, one end of the hollow channel is open, the other end of the hollow channel is closed, the open end of the metal sleeve is fixedly arranged in the sleeve fixing hole, and a bone cement outlet communicated with the hollow channel is formed in the side wall of the closed end of the metal sleeve;
the metal ring is sleeved on the metal sleeve and is arranged on the first connecting threaded column;
the threaded end cover is in threaded connection with the first connecting threaded column and used for fastening the metal circular ring on the first connecting threaded column;
the handle and the threaded end cover are both made of non-metallic materials.
Further, a bone cement injection opening which is communicated with the sleeve fixing hole and used for injecting bone cement is formed in the handle.
Furthermore, the vertebroplasty puncture needle comprises a needle cap made of a non-metal material, the handle is provided with an installation groove for accommodating the needle cap, a second connecting thread column is arranged in the installation groove, a hollow channel communicated with the sleeve fixing hole is formed in the second connecting thread column, and an opening at the upper end of the hollow channel is used as a bone cement injection port.
Furthermore, the vertebroplasty puncture needle comprises a needle cap, a mounting groove is formed in the handle, and the needle cap is detachably mounted in the mounting groove;
the handle is internally provided with a first channel communicated with the sleeve fixing hole, and the needle cap is internally provided with a second channel communicated with the first channel;
the needle cap is provided with a bone cement injection port communicated with the second channel.
Further, the needle cap is provided with an injection port cover capable of opening/closing the bone cement injection port.
Further, one side of the injection port cover is rotatably installed at one side of the bone cement injection port through a rotating shaft, and the injection port cover is rotatably installed on the needle cap to open/close the bone cement injection port.
Furthermore, the needle cap is provided with a sliding groove, the injection port cover is provided with a sliding block which is slidably arranged in the sliding groove, and the injection port cover is slidably arranged on the needle cap to open/close the bone cement injection port.
Furthermore, the wall of the metal sleeve is provided with a measuring scale, the starting point of the measuring scale is positioned at the closed end of the metal sleeve, and the bone cement outlet is arranged at the starting point of the measuring scale.
Further, the bone cement outlet is an elongated hole which extends for a certain length along the axial direction of the metal sleeve.
Further, the closed end of the metal sleeve is provided with a piercing tip, and the bone cement outlet is arranged on the side wall of the metal sleeve above the piercing tip.
The utility model discloses a vertebroplasty pjncture needle is when C arm ray shines the device perpendicularly, and the metal ring shows into a circle on the screen, and metal sleeve can show into solid circle on the screen, is located the centre of a circle of the circle of metal ring development for confirm the precision of location, through rotatory the device to hindering the position simultaneously, injects bone cement into through bone cement injection device in to metal sleeve, makes bone cement spout accurate the injection of bone cement export to hindering the position. Therefore, the utility model discloses a vertebroplasty pjncture needle shows down at the arm, if when the condition such as bone fracture appears in discovery affected part one side, need not reposition the puncture, only needs rotatory the device, makes the breach aim at bone fracture department, pours into bone cement can.
The beneficial effects of the utility model reside in that a centrum shaping art pjncture needle is provided, can save the operation time, makes things convenient for doctor's operation, improves positioning accuracy, reduces the operation risk.
Drawings
FIG. 1 is an overall view of a vertebroplasty needle according to an embodiment of the present invention;
fig. 2 is a partial enlarged view of a portion a in fig. 1 according to an embodiment of the present invention;
fig. 3 is a partial enlarged view of the embodiment of the present invention at B in fig. 1;
FIG. 4 is an overall structure view of the handle according to the embodiment of the present invention;
FIG. 5 is an overall structure diagram of a metal sleeve according to an embodiment of the present invention;
FIG. 6 is an overall structure view of the needle cap according to the embodiment of the present invention;
FIG. 7 is an overall structure diagram of a metal ring according to an embodiment of the present invention;
fig. 8 is an overall structure diagram of the threaded end cap according to the embodiment of the present invention.
Reference numbers in the drawings illustrate:
1-needle cap 2-metal sleeve 3-handle 4-metal ring 5-screw end cover 6-bone cement export 7-pierce pointed end 8-second connecting screw post 9-mounting groove 10-spacing groove 11-joint post 12-bone cement filling opening 13-first connecting screw post 14-spacing lug 15-joint groove 16-strip-shaped protrusion.
Detailed Description
The utility model discloses a vertebroplasty pjncture needle is described in detail below with the accompanying drawings:
as shown in fig. 1 to 8, a vertebroplasty needle of the present embodiment comprises:
a handle 3 having a concentrically arranged sleeve fixing hole and a first connection screw column 13;
the metal sleeve 2 is provided with a hollow channel, one end of the hollow channel is open, the other end of the hollow channel is closed, the open end of the metal sleeve 2 is fixedly arranged in the sleeve fixing hole, and a bone cement outlet 6 communicated with the hollow channel is formed in the side wall of the closed end of the metal sleeve 2;
the metal ring 4 is sleeved on the metal sleeve 2 and is arranged on the first connecting threaded column 13;
the threaded end cover 5 is in threaded connection with the first connecting threaded column 13 and fastens the metal circular ring 4 on the first connecting threaded column 13;
the handle 3 and the threaded end cover 5 are both made of non-metal materials.
The handle 3 and the threaded end cap 5 are both made of non-metallic materials and are not developed under the irradiation of the C-shaped arm. In the embodiment, the metal ring 4 and the metal sleeve 2 are developed under the irradiation of the C-shaped arm, when the metal ring 4 is rightly vertical to the X-ray emitted by the C-shaped arm, the metal ring is displayed as a solid circle under the development of the C-shaped arm, and is positioned at the center of the circle displayed by the metal sleeve 2 under the development of the C-shaped arm, so that the guiding effect is optimal; when the X-ray forms a small oblique angle with the metal sleeve 2, the development of the metal sleeve 2 and the metal ring 4 becomes an ellipse, and the development of the metal sleeve 2 is shifted to the development boundary of the metal ring 4; when the X-ray reaches a certain inclination, the development of the metal sleeve 2 touches the development boundary of the metal ring 4, and the guiding and positioning function is disabled.
When the device is vertically irradiated by C-arm rays, the metal ring 4 is displayed as a circle on the screen, the metal sleeve 2 can be displayed as a solid circle on the screen and is positioned at the center of the circle developed by the metal ring 4 to confirm the positioning precision, and meanwhile, the bone cement is injected into the metal sleeve 2 through the bone cement injection device by rotating the device to the affected part, so that the bone cement is accurately injected into the affected part through the bone cement outlet 6 on one side of the metal sleeve 2. Therefore, the vertebroplasty puncture needle of this embodiment does not need to reposition the puncture if a bone fracture or the like occurs on one side of the affected part under the display of the C-arm, and only needs to rotate the device to align the gap with the bone fracture and inject bone cement.
The beneficial effects of the embodiment lie in providing a centrum shaping art pjncture needle, can save operation time, make things convenient for doctor's operation, improve positioning accuracy, reduce the operation risk.
In this embodiment, the handle 3 is provided with a bone cement injection port communicating with the sleeve fixing hole for injecting bone cement, so as to inject the bone cement into the hollow passage of the metal sleeve 4.
Further, the vertebroplasty puncture needle of the present embodiment includes a needle cap 1 made of a non-metallic material, the handle 3 has a mounting groove 9 for accommodating the needle cap 1, a second connection threaded post 8 is disposed in the mounting groove 9, a hollow channel communicated with the sleeve fixing hole is disposed inside the second connection threaded post 8, and an upper end opening of the hollow channel serves as a bone cement injection port 12.
After the vertebroplasty puncture needle of the present embodiment is guided and positioned, the needle cap 1 is removed, and bone cement is injected into the bone cement injection port 12 through the bone cement injection device, and then precisely injected into the affected part through the bone cement outlet 6.
As an implementation mode of the embodiment, the vertebroplasty puncture needle of the embodiment comprises a needle cap 1, the handle 3 is provided with a mounting groove 9, and the needle cap 1 is detachably mounted in the mounting groove 9; the handle 3 is internally provided with a first channel communicated with the sleeve fixing hole, and the needle cap 1 is internally provided with a second channel communicated with the first channel;
the needle cap 1 is provided with a bone cement injection port communicated with the second channel. This embodiment directly sets up the bone cement injection mouth on needle cap 1, but direct operation when carrying out bone cement injection operation avoids taking off needle cap 1, more simplification.
Further, the needle cap 1 of the present embodiment is provided with an injection port cover capable of opening/closing the bone cement injection port. Therefore, whether the bone cement injection opening is opened or not can be selected according to specific operation requirements, and the internal channel is prevented from being polluted.
In order to realize the installation of the injection port cover, the present embodiment takes the following two embodiments as examples:
in a first mode, one side of the injection port cover is rotatably installed at one side of the bone cement injection port through a rotating shaft, and the injection port cover is rotatably installed on the needle cap to open/close the bone cement injection port.
In a second mode, the needle cap is provided with a sliding groove, the injection port cover is provided with a sliding block which is slidably arranged in the sliding groove, and the injection port cover is slidably arranged on the needle cap to open/close the bone cement injection port.
In order to realize the assembly between this embodiment needle cap 1 and the handle 3, the spacing lug 14 of needle cap 1 both sides aims at the spacing groove 10 on the inside both sides arc surface of mounting groove 9 of handle 3, and clockwise rotation goes into, and when rotatory certain angle, two joint posts 11 on the inside bottom surface of mounting groove 9 of handle 3 can block in the joint groove 15 of needle cap 1 bottom both sides, realize the lock function of needle cap 1.
In order to realize the assembly between the metal sleeve 2, the metal ring 4 and the handle 3, one end of the metal sleeve 2 with the long strip-shaped protrusion 16 is matched with a groove in a round hole between the handles 3, and the metal sleeve 2 is fixed below the handles 3; the metal ring 4 is fixed on the first connecting thread column 13 at the lower end of the handle 3, and then the threaded end cover 5 is screwed on.
As shown in fig. 5, in this embodiment, the wall of the metal sleeve 2 has a measurement scale, an initial point of the measurement scale is located at the closed end of the metal sleeve 2, the bone cement outlet 6 is arranged at the initial point of the measurement scale, and the scale on the metal sleeve 2 can accurately display the injection amount of the bone cement, so as to control the injection process of the bone cement.
Further, the bone cement outlet 6 of the present embodiment is an elongated hole extending a certain length along the axial direction of the metal sleeve.
The closed end of the metal sleeve 2 according to the embodiment has a piercing tip 7, and the bone cement outlet 6 is provided in the side wall of the metal sleeve 2 above the piercing tip 7.
One embodiment of the vertebroplasty needle of this embodiment is to attach the device to a robotic arm before surgery. Through X-ray images in the operation process, the development conditions of the metal ring and the sleeve are observed, if the development of the safety ring is within the development range of the sleeve and does not contact, the guiding and positioning are correct, and after the positioning is finished, the implantation operation of instruments such as a puncture needle and the like can be carried out.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention still fall within the scope of the present invention.
Claims (10)
1. A vertebroplasty needle, comprising:
the handle is provided with a sleeve fixing hole and a first connecting threaded column which are concentrically arranged;
the metal sleeve is provided with a hollow channel, one end of the hollow channel is open, the other end of the hollow channel is closed, the open end of the metal sleeve is fixedly arranged in the sleeve fixing hole, and a bone cement outlet communicated with the hollow channel is formed in the side wall of the closed end of the metal sleeve;
the metal ring is sleeved on the metal sleeve and is arranged on the first connecting threaded column;
the threaded end cover is in threaded connection with the first connecting threaded column and used for fastening the metal circular ring on the first connecting threaded column;
the handle and the threaded end cover are both made of non-metallic materials.
2. The vertebroplasty needle of claim 1, wherein the handle is provided with a bone cement injection port for injecting bone cement, which communicates with the fixation hole of the hub.
3. The vertebroplasty needle as claimed in claim 2, which comprises a needle cap made of a non-metallic material, wherein the handle has a mounting groove for receiving the needle cap, the mounting groove has a second connecting screw post therein, the second connecting screw post has a hollow channel therein, the hollow channel is communicated with the sleeve fixing hole, and an upper end of the hollow channel is opened as a bone cement injection port.
4. The vertebroplasty needle of claim 1, comprising a needle cap, wherein said handle has a mounting recess for receiving said needle cap, and said needle cap is removably mounted in said mounting recess;
the handle is internally provided with a first channel communicated with the sleeve fixing hole, and the needle cap is internally provided with a second channel communicated with the first channel;
the needle cap is provided with a bone cement injection port communicated with the second channel.
5. The vertebroplasty needle of claim 4, wherein said needle cap is provided with a port cover for opening/closing said cement port.
6. The vertebroplasty needle as claimed in claim 5, wherein one side of the port cover is rotatably installed at one side of the cement injection port by a rotating shaft, and the port cover is rotatably installed at the needle cap to open/close the cement injection port.
7. The vertebroplasty needle as claimed in claim 5, wherein the needle cap is provided with a slide groove, the port cover has a slider slidably disposed in the slide groove, and the port cover is slidably mounted on the needle cap to open/close the cement port.
8. The vertebroplasty needle of claim 1, wherein the wall of the metal sleeve has a measurement scale, the starting point of the measurement scale is located at the closed end of the metal sleeve, and the cement outlet is located at the starting point of the measurement scale.
9. The vertebroplasty needle of claim 1, wherein the cement outlet is an elongated hole extending a length in an axial direction of the metal sleeve.
10. The vertebroplasty needle of claim 1, wherein the closed end of the metal sleeve has a piercing tip, and the bone cement outlet is provided on a side wall of the metal sleeve above the piercing tip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023327451.6U CN214966360U (en) | 2020-12-31 | 2020-12-31 | Puncture needle for vertebroplasty |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023327451.6U CN214966360U (en) | 2020-12-31 | 2020-12-31 | Puncture needle for vertebroplasty |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214966360U true CN214966360U (en) | 2021-12-03 |
Family
ID=79142667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023327451.6U Active CN214966360U (en) | 2020-12-31 | 2020-12-31 | Puncture needle for vertebroplasty |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214966360U (en) |
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2020
- 2020-12-31 CN CN202023327451.6U patent/CN214966360U/en active Active
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