CN213910329U - Negative pressure rotary-cut puncture cannula for bone tumor puncture biopsy - Google Patents
Negative pressure rotary-cut puncture cannula for bone tumor puncture biopsy Download PDFInfo
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- CN213910329U CN213910329U CN202022629588.0U CN202022629588U CN213910329U CN 213910329 U CN213910329 U CN 213910329U CN 202022629588 U CN202022629588 U CN 202022629588U CN 213910329 U CN213910329 U CN 213910329U
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Abstract
The utility model belongs to the technical field of medical instrument, a negative pressure rotary-cut puncture sleeve pipe for bone tumour aspiration biopsy is provided, which comprises an injector, the syringe includes empty section of thick bamboo, the bilateral symmetry ground of empty section of thick bamboo is provided with flexible supporting component, flexible supporting component is articulated with empty section of thick bamboo, from the top down sets gradually first piston in the empty section of thick bamboo, second piston and third piston, first piston and handle fixed connection, the first puncture pipe of fixedly connected with on the third piston, first gas pocket has been seted up at the edge of second piston, the second gas pocket has been seted up to the inside of third piston, the one end and the first puncture pipe intercommunication of second gas pocket, the other end of second gas pocket is located the edge of third piston, the export of empty section of thick bamboo is passed to the bottom of first puncture pipe and extends to the outside of empty section of thick bamboo, the bottom rotation of first puncture pipe is connected with the second puncture pipe. The utility model discloses a negative pressure rotary-cut puncture sleeve for bone tumour aspiration biopsy strengthens puncture sleeve's fixity, improves the accuracy of puncture position.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to negative pressure rotary-cut puncture sleeve for bone tumor puncture biopsy.
Background
Bone tumors are tumors that occur in the bone or its ancillary tissues. The bone cancer is divided into benign and malignant tumors, the benign bone tumor is easy to be radically cured, the prognosis is good, the malignant bone tumor develops rapidly, the prognosis is not good, and the mortality rate is high. Malignant bone tumors are classified as primary and secondary. The malignant tumor transferred from other tissues or organs in the body to the bone through blood circulation and lymphatic system is secondary malignant bone tumor.
When the bone tumor is clinically diagnosed, a puncture cannula is needed for biopsy sampling. Before medical personnel used, judge the angle and the direction that the puncture sleeve pipe got into the biopsy position according to the image data, when using, penetrate the biopsy position with the puncture sleeve pipe through manual pressing, because the puncture sleeve pipe can not fix, can not avoid because the hand trembles the shake of perhaps other external force reasons, cause the puncture sleeve pipe to get into the position at biopsy position and take place the deviation, cause the position inaccuracy of puncture.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a pair of negative pressure rotary-cut puncture sleeve pipe for bone tumour aspiration biopsy strengthens puncture sleeve pipe's fixity, improves the accuracy of puncture position.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a negative pressure rotary-cut puncture sleeve for bone tumour aspiration biopsy, which comprises an injector, the syringe includes empty section of thick bamboo, the bilateral symmetry of empty section of thick bamboo is provided with flexible supporting component, flexible supporting component is articulated with empty section of thick bamboo, from the top down sets gradually first piston in the empty section of thick bamboo, second piston and third piston, first piston and handle fixed connection, the first puncture pipe of fixedly connected with on the third piston, first gas pocket has been seted up to the edge of second piston, the second gas pocket has been seted up to the inside of third piston, the one end and the first puncture pipe intercommunication of second gas pocket, the other end of second gas pocket is located the edge of third piston, the export of empty section of thick bamboo is passed to the bottom of first puncture pipe and is extended to the outside of empty section of thick bamboo, the bottom of first puncture pipe is rotated and is connected with second puncture pipe, the junction cover of first puncture pipe and second puncture pipe is equipped with the sealing washer.
Furthermore, the bottom end of the second puncture tube is arranged to be serrated, and a rotating block is fixedly mounted at the top end of the second puncture tube.
Furthermore, a through hole is formed in the central area of the second puncture tube, a contact pin is mounted on the through hole, and the contact pin is connected with the reagent bottle in a pluggable manner.
Further, the both sides of an empty section of thick bamboo are seted up flutedly symmetrically, flexible supporting component includes first loop bar and second loop bar, and first loop bar is articulated with the lateral wall of recess, and on first loop bar was located to the second loop bar cover, all seted up threaded hole on first loop bar and the second loop bar, threaded hole is provided with the bolt, and the bottom fixed mounting of second loop bar has the sucking disc.
Further, the handle is sleeved with a spring, one end of the spring is abutted to the top end of the hollow cylinder, and the other end of the spring is abutted to the top end of the handle.
According to the above technical scheme, the beneficial effects of the utility model are that: the hollow cylinder is supported by the telescopic supporting component, the fixity of the hollow cylinder is enhanced, meanwhile, due to the hinging of the telescopic supporting component and the hollow cylinder and the telescopic action of the telescopic supporting component, the supporting angle and the height of the hollow cylinder can be adjusted, the fixity of the puncture sleeve is enhanced, the accuracy of a puncture position is improved, after the position of the hollow cylinder is fixed, the first puncture tube is rotated, the position of a second air hole on the third piston and the position of a first air hole on the second piston are staggered, and the third piston is in close contact with the second piston, so that the first piston, the second piston and the third piston are mutually matched to form a closed space, firstly, when the end part of the second puncture tube is in contact with skin or a cutting opening, then the handle is pushed to drive the first piston to move, the movement of the first piston pushes the second piston to move, the second piston pushes the third piston to move, and the movement of the third piston drives the first puncture tube and the second puncture tube to move towards the inside of the puncture position, when the second puncture tube enters the puncture position, the second puncture tube is rotated to realize rotary cutting of the puncture position, after the rotary cutting is finished, the first puncture tube is rotated to enable the second air hole of the first puncture tube to be communicated with the first air hole, the handle is pulled, the living body sample in the second puncture tube is upwards extracted through the extraction force of the first piston, and the extraction of the living body sample is realized.
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 embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view of the present invention.
Reference numerals:
1-empty tube; 2-a first piston; 3-a second piston; 4-a third piston; 5-a handle; 6-a first puncture tube; 7-a second puncture tube; 8-reagent bottle; 9-sealing ring;
11-a groove; 12-a first loop bar; 13-a second loop bar; 14-a suction cup; 15-a threaded hole; 16-bolt; 31-a first air hole; 41-second air holes; 51-a spring; 71-turning blocks; 72-Pin.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
Referring to fig. 1-2, the negative pressure rotary-cut puncture cannula for bone tumor puncture biopsy provided in this embodiment includes an injector, the injector includes a hollow cylinder 1, telescopic support assemblies are symmetrically disposed on two sides of the hollow cylinder 1, the telescopic support assemblies are hinged to the hollow cylinder 1, a first piston 2, a second piston 3 and a third piston 4 are sequentially disposed in the hollow cylinder 1 from top to bottom, the first piston 2 is fixedly connected to a handle 5, a first puncture tube 6 is fixedly connected to the third piston 4, a first air hole 31 is disposed on an edge of the second piston 3, a second air hole 41 is disposed inside the third piston 4, one end of the second air hole 41 is communicated with the first puncture tube 6, the other end of the second air hole 41 is located on an edge of the third piston 4, a bottom end of the first puncture tube 6 passes through an outlet of the hollow cylinder 1 and extends to an outer side of the hollow cylinder 1, a bottom end of the first puncture tube 6 is rotatably connected to a second puncture tube 7, the joint of the first puncture tube 6 and the second puncture tube 7 is sleeved with a sealing ring 9.
In actual use, the hollow cylinder 1 is supported by the telescopic supporting component, the fixity of the hollow cylinder 1 is enhanced, meanwhile, the supporting angle and the height of the hollow cylinder 1 can be adjusted due to the hinging of the telescopic supporting component and the telescopic action of the telescopic supporting component, the fixity of the puncture cannula is enhanced, and the accuracy of the puncture position is improved; after the position of the hollow cylinder 1 is fixed, the first puncture tube 6 is rotated to enable the position of a second air hole 41 on the third piston 4 to be staggered with the position of a first air hole 31 on the second piston 3, and the third piston 4 is tightly contacted with the second piston 3, so that the first piston 2, the second piston 3 and the third piston 4 are mutually matched to form a closed space, firstly, when the end part of the second puncture tube 7 is contacted with skin or a cutting opening, then, the handle 5 is pushed to drive the first piston 2 to move, the second piston 3 is pushed to move by the movement of the first piston 2, the third piston 4 is pushed to move by the second piston 3, the first puncture tube 6 and the second puncture tube 7 are driven by the movement of the third piston 4 to move towards the inner part of the puncture position, when the second puncture tube 7 enters the puncture position, the second tube 7 is rotated to realize rotary cutting of the puncture position, after the rotary cutting is finished, the first puncture tube 6 is rotated to enable the second air hole 41 of the first puncture tube 6 to be communicated with the first air hole 31, the handle 5 is pulled to upwardly extract the living body specimen in the second puncture tube 7 by the extraction force of the first piston 2, thereby realizing the extraction of the living body specimen.
It should be noted that the bottom end of the first puncture tube 6 is provided with a sliding groove, the top end of the second puncture tube 7 is fixedly provided with a sliding block, sliding connection between the first puncture tube 6 and the second puncture tube 7 is realized through the sliding block and the sliding groove, or the bottom end of the first puncture tube 6 is fixedly provided with a sliding rail, the top end of the second puncture tube 7 is fixedly provided with a sliding block, and sliding connection between the first puncture tube 6 and the second puncture tube 7 is realized through the sliding rail and the sliding block.
In this embodiment, the bottom end of the second puncture tube 7 is serrated to facilitate rotary cutting of the living body sample, and the top end of the second puncture tube 7 is fixedly provided with the rotary block 71 to facilitate rotation of the second puncture tube 7 through the rotary block 71.
In this embodiment, a through hole is formed in the central region of the second puncture tube 7, a contact pin 72 is installed on the through hole, the contact pin 72 is connected with the reagent bottle 8 in a pluggable manner, the bottleneck of the reagent bottle 8 is sealed by a butyl rubber plug, and the contact pin 72 is inserted into the butyl rubber plug to maintain the sealing connection between the butyl rubber plug and the contact pin 72.
In actual use, when the handle 5 is pulled, the living body sample in the second puncture tube 7 is extracted by the extraction force of the first piston 2, and when the living body sample is extracted to the position of the through hole, the living body sample directly enters the reagent bottle 8 through the through hole and the contact pin 72, so that the living body sample is collected, and the operation is convenient.
In this embodiment, recess 11 is seted up symmetrically to the both sides of an empty section of thick bamboo 1, and flexible supporting component includes first loop bar 12 and second loop bar 13, and first loop bar 12 is articulated with the lateral wall of recess 11, and on first loop bar 12 was located to second loop bar 13 cover, all seted up threaded hole 15 on first loop bar 12 and the second loop bar 13, is provided with bolt 16 in the threaded hole 15, and the bottom fixed mounting of second loop bar 13 has sucking disc 14.
In practical use, the support height of the telescopic support assembly is adjusted by adjusting the relative positions of the first loop bar 12 and the second loop bar 13 and fixedly connecting the adjusted first loop bar 12 and the second loop bar 13 through the bolt 16, and then the telescopic support assembly can be fixed in a proper position through the suction cup 14.
It should be noted that, due to the hinge fastening force and the friction force between the first sleeve 12 and the groove 11, the telescopic support assembly is kept relatively fixed with respect to the position of the hollow cylinder 1 without being affected by external force.
In this embodiment, the handle 5 is fitted with a spring 51, one end of the spring 51 abuts on the tip of the hollow tube 1, and the other end of the spring 51 abuts on the tip of the handle 5.
In actual use, the handle 5 is pushed to enable the second puncture tube 7 to enter the biopsy site, at this time, the spring 51 is in a compressed state, after the rotary cutting of the second puncture tube 7 is completed, the handle 5 is released, the handle 5 bounces upwards under the elastic force of the spring 51, the extraction of the living body sample is realized, and the labor-saving effect is achieved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (5)
1. The utility model provides a bone tumour is negative pressure rotary-cut puncture sleeve pipe for needle biopsy, includes the syringe, its characterized in that: the injector comprises a hollow cylinder (1), telescopic supporting components are symmetrically arranged on two sides of the hollow cylinder (1), the telescopic supporting components are hinged to the hollow cylinder (1), a first piston (2), a second piston (3) and a third piston (4) are sequentially arranged in the hollow cylinder (1) from top to bottom, the first piston (2) is fixedly connected with a handle (5), a first puncture tube (6) is fixedly connected to the third piston (4), a first air hole (31) is formed in the edge of the second piston (3), a second air hole (41) is formed in the third piston (4), one end of the second air hole (41) is communicated with the first puncture tube (6), the other end of the second air hole (41) is located at the edge of the third piston (4), the bottom end of the first puncture tube (6) penetrates through an outlet of the hollow cylinder (1) and extends to the outer side of the hollow cylinder (1), and the bottom end of the first puncture tube (6) is rotatably connected with a second puncture tube (7), the joint of the first puncture tube (6) and the second puncture tube (7) is sleeved with a sealing ring (9).
2. The negative pressure rotary-cut puncture cannula for bone tumor aspiration biopsy according to claim 1, characterized in that: the bottom end of the second puncture tube (7) is arranged to be serrated, and the top end of the second puncture tube (7) is fixedly provided with a rotating block (71).
3. The negative pressure rotary-cut puncture cannula for bone tumor aspiration biopsy according to claim 2, characterized in that: a through hole is formed in the central area of the second puncture tube (7), a contact pin (72) is installed on the through hole, and the contact pin (72) is connected with the reagent bottle (8) in a pluggable mode.
4. The negative pressure rotary-cut puncture cannula for bone tumor aspiration biopsy according to claim 1, characterized in that: recess (11) are seted up symmetrically to the both sides of empty section of thick bamboo (1), flexible supporting component includes first loop bar (12) and second loop bar (13), and first loop bar (12) are articulated with the lateral wall of recess (11), and on first loop bar (12) were located in second loop bar (13) cover, all seted up threaded hole (15) on first loop bar (12) and second loop bar (13), be provided with bolt (16) in threaded hole (15), the bottom fixed mounting of second loop bar (13) has sucking disc (14).
5. The negative pressure rotary-cut puncture cannula for bone tumor aspiration biopsy according to claim 1, characterized in that: the handle (5) is sleeved with a spring (51), one end of the spring (51) is abutted to the top end of the hollow cylinder (1), and the other end of the spring (51) is abutted to the top end of the handle (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022629588.0U CN213910329U (en) | 2020-11-13 | 2020-11-13 | Negative pressure rotary-cut puncture cannula for bone tumor puncture biopsy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022629588.0U CN213910329U (en) | 2020-11-13 | 2020-11-13 | Negative pressure rotary-cut puncture cannula for bone tumor puncture biopsy |
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| CN213910329U true CN213910329U (en) | 2021-08-10 |
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| CN202022629588.0U Active CN213910329U (en) | 2020-11-13 | 2020-11-13 | Negative pressure rotary-cut puncture cannula for bone tumor puncture biopsy |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113855098A (en) * | 2021-10-08 | 2021-12-31 | 安徽医科大学第四附属医院 | Leak protection bone biopsy |
| CN114343738A (en) * | 2022-01-25 | 2022-04-15 | 重庆大学附属肿瘤医院 | A puncture sampling device for medical oncology |
-
2020
- 2020-11-13 CN CN202022629588.0U patent/CN213910329U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113855098A (en) * | 2021-10-08 | 2021-12-31 | 安徽医科大学第四附属医院 | Leak protection bone biopsy |
| CN113855098B (en) * | 2021-10-08 | 2023-11-10 | 安徽省公共卫生临床中心(安徽省传染病医院) | Leakage-proof bone biopsy device |
| CN114343738A (en) * | 2022-01-25 | 2022-04-15 | 重庆大学附属肿瘤医院 | A puncture sampling device for medical oncology |
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