CN213787721U - Upper thoracic vertebroplasty device - Google Patents
Upper thoracic vertebroplasty device Download PDFInfo
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- CN213787721U CN213787721U CN202021885469.5U CN202021885469U CN213787721U CN 213787721 U CN213787721 U CN 213787721U CN 202021885469 U CN202021885469 U CN 202021885469U CN 213787721 U CN213787721 U CN 213787721U
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- puncture
- injection
- head
- upper thoracic
- vertebroplasty device
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Abstract
The utility model relates to a medical science device field specifically discloses an upper thoracic vertebrae vertebroplasty device, including puncture mechanism and the injection mechanism that is used for absorbing and injecting bone muddy water, injection mechanism can dismantle the connection on puncture mechanism, and puncture mechanism includes the puncture post, and the puncture end of puncture post is closed spine form, other end fixedly connected with fixed handle, and the puncture post is hollow cylindrical, and first injection orifice and second injection orifice have been seted up on the puncture post is close to the post wall of puncture end one side, and first injection orifice and second injection orifice set up relatively. The utility model discloses a set up puncture mechanism and realized only carrying out once the puncture, the wound is littleer, and two-way directional bone cement that carries out pushes, makes bone cement disperse better in the centrum, has prevented bone cement to centrum front side seepage.
Description
Technical Field
The utility model relates to a medical device field specifically discloses an upper thoracic vertebra vertebroplasty device.
Background
The vertebroplasty is clinically and totally called percutaneous puncture vertebroplasty, belongs to minimally invasive surgery, and is a technique for strengthening a centrum by injecting bone cement or artificial bone into a diseased centrum, generally, an incision of about 2mm is made on the back of a patient, a special puncture needle is used for entering the centrum through percutaneous puncture under X-ray monitoring, a working channel is established, the bone cement or the artificial bone is injected into the centrum to stabilize the fractured centrum, further collapse is prevented, and pain is obviously relieved.
Bed rest complication behind the fracture of thoracic vertebra on the old person is more, need walk through skin puncture vertebroplasty, though the wound is little, nevertheless two side punctures in the art, and dispersion is not good in the bone cement centrum, and bone cement seepage damages nerve, consequently, the utility model provides an go up thoracic vertebra vertebroplasty device.
SUMMERY OF THE UTILITY MODEL
The technique that exists is not enough to the aforesaid, the utility model aims at providing an go up thoracic vertebra vertebroplasty device, the wound is little, realizes two-way directional injection, the effectual bone cement of having prevented is to centrum front side seepage.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model provides an upper thoracic vertebra vertebroplasty device, include:
the injection mechanism is detachably connected to the puncture mechanism;
the puncture mechanism comprises a puncture column, the puncture end of the puncture column is in a closed type sharp-point shape, the other end of the puncture column is fixedly connected with a fixed handle, the puncture column is in a hollow cylindrical shape, the puncture column is close to the column wall on one side of the puncture end, a first injection hole and a second injection hole are formed in the column wall, and the first injection hole and the second injection hole are arranged oppositely.
Preferably, the injection mechanism comprises an injection tube, a injection component is arranged in the injection tube, and the injection component is movably connected with the injection tube.
Preferably, one end of the injection tube is fixedly connected with an auxiliary handle, the other end of the injection tube is fixedly provided with a hollow cylindrical fixing head, and the outer side wall of the fixing head is provided with an external thread;
the fixed handle is communicated with the puncture column, an internal thread matched with the external thread is arranged on the inner wall of the internal channel of the fixed handle, and the fixed head is in threaded connection with the fixed handle.
Preferably, the pushing and injecting assembly comprises a push rod, one end of the push rod is fixedly connected with a pushing head, the other end of the push rod is fixedly connected with a pressing head, and the side wall of the pushing head is tightly attached to the inner wall of the pushing and injecting pipe.
Preferably, the wall of the push rod pipe is provided with scales.
Preferably, the pushing head is a rubber head.
Preferably, the wall of the puncture column is provided with scales.
Preferably, a finger groove capable of accommodating fingers is formed in the side face, close to the puncture column, of the fixed handle, and the surface of the fixed handle is a polished rough surface.
Preferably, the auxiliary handle is oval.
Preferably, the pressing head is elliptical.
The beneficial effects of the utility model reside in that: the puncture device realizes one-time puncture by arranging the first injection hole and the second injection hole on the puncture column, and has smaller wound; the bone cement injection can be carried out in a bidirectional orientation mode, so that the bone cement is better dispersed in the vertebral body, cement is injected to the left side and the right side of the vertebral body simultaneously during unilateral puncture, the bilateral puncture effect is achieved, and the bone cement is effectively prevented from leaking to the front side of the vertebral body.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an upper thoracic vertebroplasty device according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the lancing mechanism of FIG. 1;
FIG. 3 is a longitudinal cut-away view of the lancing mechanism of FIG. 2;
FIG. 4 is a schematic view of the structure of the injection mechanism of FIG. 1;
FIG. 5 is a top view of the lancing mechanism of FIG. 1;
description of reference numerals: 1-puncture mechanism, 2-injection mechanism, 101-fixed handle, 102-first injection hole, 103-puncture column, 104-internal thread, 201-injection tube, 202-auxiliary handle, 203-fixed head, 204-push rod, 205-push head and 206-press head.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
1-5, a superior thoracic superior vertebroplasty device, comprising:
the puncture device comprises a puncture mechanism 1 and a push injection mechanism 2, wherein the push injection mechanism 2 is detachably connected to the puncture mechanism 1;
the puncture mechanism 1 comprises a puncture column 103, the puncture end of the puncture column 103 is in a closed type sharp-puncture shape, the other end of the puncture column 103 is fixedly connected with a fixed handle 101, the puncture column 103 is in a hollow cylindrical shape, a first injection hole 102 and a second injection hole are formed in the column wall of one side, close to the puncture end, of the puncture column 103, the first injection hole 102 and the second injection hole are oppositely arranged, and the first injection hole 102 and the second injection hole are arranged in directions which are perpendicular to the fixed handle 101.
In this embodiment, the outer diameter of the puncture column 103 is 3.4mm, the inner diameter is 3.0mm, the length is 18cm, the diameter of the first injection hole 102 and the second injection hole is 2.6mm, and those skilled in the art can set specific parameters according to the actual situation of the operation.
During the use, puncture end with puncture post 103 punctures earlier in the pedicle of vertebral arch, gets into gradually and lies in the anterior well 1/3 department of centrum to the puncture end, then sucks the bone muddy water that has prepared in advance with pushing mechanism 2, then will push mechanism 2 and connect on puncture mechanism 1, slowly to pushing bone cement in the centrum, push the completion back, treat that bone cement is stable, take out whole device gently.
In this embodiment, the injection mechanism 2 includes an injection pipe 201, a push injection component is arranged in the injection pipe 201, the push injection component is movably connected with the injection pipe 201, and the push injection component can perform piston movement in the injection pipe 201 to suck and inject bone slurry.
The injection tube 201 is a hollow cylinder, one end of the injection tube 201 is fixedly connected with an auxiliary handle 202, the other end of the injection tube is fixedly provided with a hollow cylinder-shaped fixing head 203, the outer diameters of the fixing head 203 and the injection tube 201 are equal, and the outer side wall of the fixing head 203 is provided with an external thread;
The push injection assembly comprises a push rod 204, one end of the push rod 204 is fixedly connected with a push head 205, the other end of the push rod 204 is fixedly connected with a pressing head 206, the side wall of the push head 205 is tightly attached to the inner wall of the push injection pipe 201, and the pressing head 206 is beneficial to exerting force and is easy to control force.
The pipe wall of the push rod 204 is provided with scales, and the scales in the embodiment range from 0 ml to 2 ml.
The push head 205 is a rubber head, so that the tightness between the push injection tube 201 and the push head 205 is improved.
Scales are arranged on the column wall of the puncture column 103, so that the quantification of the bone cement during pushing is realized.
The fixed handle 101 is close to set up the finger groove that can hold the finger on the side of puncture post 103, it is fixed with the finger that the finger groove is arranged in the operation process, the inside cavity setting that is of fixed handle 101 is favorable to save material, the surface of fixed handle 101 is the matte of polishing, is favorable to increasing frictional force, is convenient for fix, prevents to remove.
The auxiliary handle 202 is oval, and is convenient for borrow power when the bone muddy water is manually extracted and injected.
The pressing head 206 is oval, so that manual pressing and pulling-out are facilitated, and labor is saved.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. An upper thoracic vertebroplasty device, comprising:
the bone slurry injection device comprises a puncture mechanism (1) and an injection mechanism (2) for sucking and injecting bone slurry, wherein the injection mechanism (2) is detachably connected to the puncture mechanism (1);
the puncture mechanism (1) comprises a puncture column (103), the puncture end of the puncture column (103) is in a closed type sharp-pointed shape, the other end of the puncture column is fixedly connected with a fixed handle (101), the puncture column (103) is in a hollow cylindrical shape, a first injection hole (102) and a second injection hole are formed in the column wall, close to one side of the puncture end, of the puncture column (103), and the first injection hole (102) and the second injection hole are arranged oppositely.
2. The upper thoracic vertebroplasty device according to claim 1, wherein the injection mechanism (2) comprises an injection tube (201), a injection assembly is disposed inside the injection tube (201), and the injection assembly is movably connected to the injection tube (201).
3. The upper thoracic vertebroplasty device as claimed in claim 2, wherein an auxiliary handle (202) is fixedly connected to one end of the injection tube (201), a hollow cylindrical fixing head (203) is fixedly disposed at the other end, and an external thread is disposed on an outer sidewall of the fixing head (203);
fixed handle (101) with puncture post (103) intercommunication, just be equipped with on the inner wall of fixed handle (101) inner channel with internal thread (104) of external screw thread adaptation, fixed head (203) with fixed handle (101) threaded connection.
4. The upper thoracic vertebroplasty device according to claim 2, wherein the pushing assembly comprises a pushing rod (204), one end of the pushing rod (204) is fixedly connected with a pushing head (205), the other end of the pushing rod is fixedly connected with a pressing head (206), and a sidewall of the pushing head (205) is tightly attached to an inner wall of the pushing tube (201).
5. The superior thoracic vertebroplasty device according to claim 4, wherein the push rod (204) has a scale on the wall of the tube.
6. The upper thoracic vertebroplasty device according to claim 4, wherein the pusher (205) is a rubber head.
7. The upper thoracic vertebroplasty device according to claim 1, wherein the wall of the puncturing cylinder (103) is provided with a scale.
8. The upper thoracic vertebroplasty device according to claim 1, wherein a finger groove for receiving a finger is formed on a side of the fixing handle (101) adjacent to the puncture cylinder (103), and the surface of the fixing handle (101) is a polished rough surface.
9. The superior thoracic vertebroplasty device of claim 3, wherein the auxiliary handle (202) is oval-shaped.
10. The upper thoracic vertebroplasty device according to claim 4, wherein the pressing head (206) has an oval shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021885469.5U CN213787721U (en) | 2020-09-01 | 2020-09-01 | Upper thoracic vertebroplasty device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021885469.5U CN213787721U (en) | 2020-09-01 | 2020-09-01 | Upper thoracic vertebroplasty device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213787721U true CN213787721U (en) | 2021-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021885469.5U Active CN213787721U (en) | 2020-09-01 | 2020-09-01 | Upper thoracic vertebroplasty device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213787721U (en) |
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2020
- 2020-09-01 CN CN202021885469.5U patent/CN213787721U/en active Active
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