CN216167799U - Multidirectional controllable bone cement injector - Google Patents
Multidirectional controllable bone cement injector Download PDFInfo
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- CN216167799U CN216167799U CN202122470937.3U CN202122470937U CN216167799U CN 216167799 U CN216167799 U CN 216167799U CN 202122470937 U CN202122470937 U CN 202122470937U CN 216167799 U CN216167799 U CN 216167799U
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Abstract
The utility model discloses a multidirectional controllable bone cement injector, which comprises a bone cement injection pipe and an injection rod, wherein the injection pipe comprises an inner sleeve and an outer sleeve which are sleeved with each other in two layers, the injection rod is inserted into the inner sleeve, the front end surface and the side wall of each layer of sleeve are respectively provided with an opening, the openings of the front end surface and the side wall of one layer of sleeve are arranged on one side of the same semicircle of the layer of sleeve, the openings of the front end surface and the side wall of the other layer of sleeve are arranged on the sides of the different semicircles of the layer of sleeve in a staggered manner, and the openings of the two layers of sleeves are arranged in such a manner that bone cement can be extruded from the openings of the two aligned layers of sleeves when the two layers of sleeves rotate relatively; the utility model improves the injection pipe of the injector, the injection pipe is composed of two layers of pipelines which are sleeved with each other, the two layers of pipelines are opened from different positions in two directions, and the two layers of sleeves rotate relatively, so that the injection of bone cement can be respectively or simultaneously carried out in at least two directions by using one bone cement injector.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a multidirectional controllable bone cement injector.
Background
In traditional bone cement injector, the injector can only pour into bone cement into from a direction in the injection tube, uses singly, can only extract when different directions need pour into and change the injection tube, and can not control the conversion direction and pour into bone cement into simultaneously, uses inconveniently, can influence treatment.
Disclosure of Invention
The utility model aims to provide a multidirectional controllable bone cement injector, which is characterized in that an injection pipe of the injector is improved and consists of two layers of pipelines which are sleeved with each other, and the two layers of pipelines which are sleeved with each other are opened from different positions in two directions, so that the bone cement can be injected in at least two directions respectively or simultaneously by using one bone cement injector.
In order to achieve the purpose, the technical scheme of the utility model is as follows: a multidirectional controllable bone cement injector comprises a bone cement injection pipe and an injection rod, wherein the injection rod is inserted into the injection pipe to extrude the bone cement from an opening at the front end side of the injection pipe, the injection pipe comprises an inner layer casing pipe and an outer layer casing pipe which are sleeved with each other, the injection rod is inserted into the inner layer casing pipe, openings are respectively arranged on the front end surface and the side wall of each layer of casing pipe, the openings of the front end surface and the side wall of one layer of casing pipe are arranged on one side of the same semicircle of the layer of casing pipe, the openings of the front end surface and the side wall of the other layer of casing pipe are staggered on the side of the different semicircles of the layer of casing pipe, and the openings of the two layers of casing pipes are arranged in positions so that three states of extruding the bone cement can be formed when the two layers of casing pipes rotate relatively;
in the first state: the openings of the front end surfaces of the two layers of sleeves are completely overlapped, the openings of the side walls of the two layers of sleeves are mutually sealed, and the bone cement is extruded from the openings of the front end surfaces of the two layers of sleeves;
in the second state: the side wall openings of the two layers of sleeves are completely overlapped, the openings on the front end surfaces of the two layers of sleeves are mutually sealed, and the bone cement is extruded from the side wall openings of the two layers of sleeves;
the third state: the opening parts of the front end surfaces of the two layers of sleeves are overlapped, the opening parts of the side walls of the two layers of sleeves are overlapped, and the bone cement is extruded from the opening parts of the front end surfaces and the side walls of the two layers of sleeves respectively.
The scheme is further as follows: the hole positions of the two layers of sleeves are arranged as follows: the openings of the front end surface and the side wall of the outer sleeve are arranged on one side of the same semicircle of the outer sleeve; the trompil setting of inlayer sheathed tube preceding terminal surface and lateral wall is at the crisscross setting of different semicircle sides of inlayer sleeve pipe, promptly: the front end face of the inner-layer sleeve is provided with a hole in the semicircular side of one side of the inner-layer sleeve, and the side wall of the inner-layer sleeve is provided with a hole in the semicircular side of the other side of the inner-layer sleeve.
The scheme is further as follows: the hole positions of the two layers of sleeves are arranged as follows: the openings of the front end surface and the side wall of the inner sleeve are arranged on one side of the same semicircle of the inner sleeve; the trompil setting of terminal surface and lateral wall before outer sleeve pipe is in the crisscross setting of the different semicircle sides of outer sleeve pipe, promptly: the front end face of the outer sleeve is provided with a hole at the semicircular side at one side of the outer sleeve, and the side wall of the outer sleeve is provided with a hole at the semicircular side at the other side of the outer sleeve.
The scheme is further as follows: the inner sleeve is longer than the outer sleeve, marks are respectively arranged on the side wall of the inner sleeve exposed out of the outer sleeve and on the side wall of the outer sleeve, and the marks are used for indicating the positions of the openings of the inner sleeve and the outer sleeve on the circumference.
The scheme is further as follows: the mark is a colored label.
The utility model has the beneficial effects that: through the improvement to the injector injection pipe, constitute the injection pipe by the pipeline of two-layer looks cover, the pipeline of two-layer looks cover is from two directions different position openings, and two-layer sleeve pipe is done the relative rotation, just can realize just can carrying out the injection of bone cement respectively or simultaneously in two directions at least with a bone cement injector.
The utility model is described in detail below with reference to the figures and examples.
Drawings
FIG. 1 is a schematic view of the open-pore completely-superposed structure of the front end face of the two-layer sleeve of the present invention;
FIG. 2 is a schematic view of the side wall opening of the two-layer sleeve according to the present invention in a completely overlapped configuration;
FIG. 3 is a schematic view of the front end face of two layers of sleeves with openings completely coincident with the front end face, view A of FIG. 1;
fig. 4 is a schematic view of the complete coincidence of the outside of the side wall openings of the two-layer sleeve, view B of fig. 2.
Detailed Description
A cement injector controllable in multiple directions, as shown in fig. 1, 2, 3 and 4, includes a cement injecting tube 1 and a injection rod 2, the injection rod 2 is inserted into the injecting tube 1 to extrude cement from an opening at a front end side of the injecting tube, wherein the injection pipe comprises an inner casing 101 and an outer casing 102 which are sleeved with each other, the injection rod 2 is inserted into the inner casing 101, the front end surface and the side wall of each casing are respectively provided with an opening, the front end face and the side wall of one layer of the sleeve (the inner layer sleeve 101 or the outer layer sleeve 102) are provided with openings on the same semicircular side of the sleeve, the front end face and the side wall of the other layer of the sleeve (the inner layer sleeve 101 or the outer layer sleeve 102) are arranged on different semicircular sides of the sleeve in a staggered mode, and the openings of the two layers of the sleeves are arranged so that three states of extruding bone cement can be formed when the two layers of the sleeves rotate relatively;
in the first state: as shown in fig. 1, the openings of the front end surfaces of the two layers of sleeves are completely overlapped, the openings of the side walls of the two layers of sleeves are mutually blocked, and the bone cement is extruded from the openings of the front end surfaces of the two layers of sleeves;
in the second state: as shown in fig. 2, the side wall openings of the two layers of sleeves are completely overlapped, the openings on the front end surfaces of the two layers of sleeves are mutually blocked, and the bone cement is extruded from the side wall openings of the two layers of sleeves;
the third state: the opening parts of the front end surfaces of the two layers of sleeves are overlapped, the opening parts of the side walls of the two layers of sleeves are overlapped, and the bone cement is extruded from the opening parts of the front end surfaces and the side walls of the two layers of sleeves respectively.
Wherein: the hole positions of the two layers of sleeves are arranged as follows: as shown in FIG. 1, the opening 102-1 of the front end surface and the opening 102-2 of the side wall of the outer sleeve are arranged on one side of the same semicircle (left semicircle) of the outer sleeve; the front end surface opening 101-1 of the inner casing and the opening 101-2 of the side wall are arranged on different semicircular sides of the inner casing in a staggered mode, namely: the front end surface opening 101-1 of the inner sleeve is arranged on the semicircular side (left semicircular) of one side of the inner sleeve, and the side wall opening 101-2 of the inner sleeve is arranged on the semicircular side (right semicircular) of the other side of the inner sleeve; fig. 1 and 2 illustrate the operation of this arrangement.
Of course the reverse is possible: the hole positions of the two layers of sleeves are arranged as follows: the openings of the front end surface and the side wall of the inner sleeve are arranged on one side of the same semicircle of the inner sleeve; the trompil setting of terminal surface and lateral wall before outer sleeve pipe is in the crisscross setting of the different semicircle sides of outer sleeve pipe, promptly: the front end face of the outer sleeve is provided with a hole at the semicircular side at one side of the outer sleeve, and the side wall of the outer sleeve is provided with a hole at the semicircular side at the other side of the outer sleeve.
Wherein: the rotation angle required by partial superposition can be controlled by controlling the radian of the semicircle occupied by the opening.
In the examples: in order to be able to know the rotating angle of the holes, whether the holes on the front end surfaces of the two layers of sleeves are completely overlapped or the holes on the side walls of the two layers of sleeves are completely overlapped or the overlapped sizes are controlled so as to control the injection flow direction of the bone cement. Therefore, the position of the opening at the upper end of the casing is marked for observation, the inner casing 101 is longer than the outer casing 102 and marked as shown in fig. 4, marks 101-3 and 102-3 are respectively arranged on the side wall of the inner casing exposed out of the outer casing and the side wall of the outer casing and used for indicating the positions of the openings of the inner casing and the outer casing on the circumference, the position and the width of the opening at the side wall of the inner casing are indicated in fig. 4, the position and the width of the opening at the side wall of the outer casing are indicated, the two marks are aligned and completely coincide with the openings at the side walls of the two casings, the openings at the front end faces of the two casings are mutually blocked, the bone cement is extruded from the openings at the side walls of the two casings and can be marked by colored labels, and the openings at the front end faces of the two casings are marked and are not shown in the figure.
The embodiment of the multidirectional controllable bone cement injector improves the injection pipe of the injector, the injection pipe consists of two layers of pipelines which are sleeved with each other, the two layers of pipelines which are sleeved with each other are opened from different positions in two directions, and the two layers of sleeves rotate relatively, so that the injection of bone cement in at least two directions can be respectively or simultaneously carried out by using one bone cement injector.
Claims (5)
1. The multidirectional controllable bone cement injector comprises a bone cement injection pipe and an injection rod, wherein the injection rod is inserted into the injection pipe to extrude the bone cement from an opening at the front end side of the injection pipe, and the injection rod is characterized in that the injection pipe comprises an inner layer sleeve and an outer layer sleeve which are sleeved with each other, the injection rod is inserted into the inner layer sleeve, the front end surface and the side wall of each layer of sleeve are respectively provided with an opening, the openings of the front end surface and the side wall of one layer of sleeve are arranged on one side of the same semicircle of the layer of sleeve, the openings of the front end surface and the side wall of the other layer of sleeve are staggered on the side of the different semicircle of the layer of sleeve, and the openings of the two layers of sleeves are arranged in positions so that three states of extruding the bone cement can be formed when the two layers of sleeves rotate relatively;
in the first state: the openings of the front end surfaces of the two layers of sleeves are completely overlapped, the openings of the side walls of the two layers of sleeves are mutually sealed, and the bone cement is extruded from the openings of the front end surfaces of the two layers of sleeves;
in the second state: the side wall openings of the two layers of sleeves are completely overlapped, the openings on the front end surfaces of the two layers of sleeves are mutually sealed, and the bone cement is extruded from the side wall openings of the two layers of sleeves;
the third state: the opening parts of the front end surfaces of the two layers of sleeves are overlapped, the opening parts of the side walls of the two layers of sleeves are overlapped, and the bone cement is extruded from the opening parts of the front end surfaces and the side walls of the two layers of sleeves respectively.
2. The cement injector according to claim 1, wherein the two layers of cannula have openings positioned: the openings of the front end surface and the side wall of the outer sleeve are arranged on one side of the same semicircle of the outer sleeve; the trompil setting of inlayer sheathed tube preceding terminal surface and lateral wall is at the crisscross setting of different semicircle sides of inlayer sleeve pipe, promptly: the front end face of the inner-layer sleeve is provided with a hole in the semicircular side of one side of the inner-layer sleeve, and the side wall of the inner-layer sleeve is provided with a hole in the semicircular side of the other side of the inner-layer sleeve.
3. The cement injector according to claim 1, wherein the two layers of cannula have openings positioned: the openings of the front end surface and the side wall of the inner sleeve are arranged on one side of the same semicircle of the inner sleeve; the trompil setting of terminal surface and lateral wall before outer sleeve pipe is in the crisscross setting of the different semicircle sides of outer sleeve pipe, promptly: the front end face of the outer sleeve is provided with a hole at the semicircular side at one side of the outer sleeve, and the side wall of the outer sleeve is provided with a hole at the semicircular side at the other side of the outer sleeve.
4. A multidirectional controllable bone cement injector according to claim 1, 2 or 3, characterized in that said inner sleeve is longer than said outer sleeve, and that indicia are provided on the side wall of said inner sleeve exposed from said outer sleeve and on the side wall of said outer sleeve, respectively, for indicating the position of the openings of said inner and outer sleeves on the circumference.
5. The multi-directionally controllable cement injector according to claim 4, wherein said marking is a colored sticker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122470937.3U CN216167799U (en) | 2021-10-14 | 2021-10-14 | Multidirectional controllable bone cement injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122470937.3U CN216167799U (en) | 2021-10-14 | 2021-10-14 | Multidirectional controllable bone cement injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216167799U true CN216167799U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122470937.3U Active CN216167799U (en) | 2021-10-14 | 2021-10-14 | Multidirectional controllable bone cement injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216167799U (en) |
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2021
- 2021-10-14 CN CN202122470937.3U patent/CN216167799U/en active Active
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