CN214966840U - Ejection type breast positioning needle - Google Patents

Ejection type breast positioning needle Download PDF

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Publication number
CN214966840U
CN214966840U CN202121123216.9U CN202121123216U CN214966840U CN 214966840 U CN214966840 U CN 214966840U CN 202121123216 U CN202121123216 U CN 202121123216U CN 214966840 U CN214966840 U CN 214966840U
Authority
CN
China
Prior art keywords
fixed
shell
fixedly connected
spring
positioning needle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202121123216.9U
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Chinese (zh)
Inventor
王彦冬
李成龙
郭欣
陈敏
武鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Third Central Hospital
Original Assignee
Tianjin Third Central Hospital
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianjin Third Central Hospital filed Critical Tianjin Third Central Hospital
Priority to CN202121123216.9U priority Critical patent/CN214966840U/en
Application granted granted Critical
Publication of CN214966840U publication Critical patent/CN214966840U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an ejection type mammary gland pilot pin, which comprises an outer shell, the inside of shell sets up the pilot pin body, the one end fixedly connected with fixed head of pilot pin body, the inner wall fixedly connected with of shell launches the spring, launch the one end of spring and the lateral wall fixed connection of fixed head, the equal fixed connection fixed block of two symmetrical lateral walls of fixed head, the shell is close to the equal wall in both sides of fixed block and has seted up first bar mouth, the one end of fixed block extends to the outside of first bar mouth. The utility model discloses when using, the accessible is pressed fixed press plate and is launched away the pilot pin body under the effect that launches the spring, and its puncture speed is swift, and the needle body is stable, is difficult for causing the skew, rotates through the threaded rod simultaneously and drives the limiting plate and carry out position control and make the pilot pin body can adjust the ejection distance according to actual demand to at will control the depth of penetration, convenient to use easily operates, has certain practicality.

Description

Ejection type breast positioning needle
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to an ejection type mammary gland pilot pin.
Background
The mammary gland positioning needle mainly aims at the hidden mammary gland focus, has the advantage of preventing the guide wire from being cut by mistake in the operation, and belongs to a high-performance stainless steel material. However, the operation using the breast locating needle is high in technical performance, and the degree, speed and depth of the breast locating needle are difficult to grasp.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an ejection type mammary gland positioning needle.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an ejection type mammary gland positioning needle comprises a shell, a positioning needle body is arranged inside the shell, a fixing head is fixedly connected to one end of the positioning needle body, an ejection spring is fixedly connected to the inner wall of the shell, one end of the ejection spring is fixedly connected with the side wall of the fixing head, two symmetrical outer side walls of the fixing head are fixedly connected with the fixing block, a first strip-shaped opening is formed in the two side walls of the shell close to the fixing block, one end of the fixing block extends to the outside of the first strip-shaped opening, a fixing mechanism is fixedly connected to the outer wall of the shell, a limiting plate is sleeved on the outer surface of the positioning needle body, a moving rod is fixedly connected to one side of the limiting plate, a second strip-shaped opening is formed in the side, close to the moving rod, of the outer wall of the shell, a first fixing plate and a second fixing plate are fixedly connected with the first fixing plate, a threaded rod is rotatably connected between the first fixing plate and the second fixing plate, one end of the movable rod penetrates through the second strip-shaped opening and is sleeved on the outer surface of the threaded rod in a threaded manner.
Furthermore, fixed establishment includes U type frame, fixed spring, rotates piece and fixed pressing plate, fixed pressing plate is located the inner wall of U type frame, the both sides wall middle part position of fixed pressing plate is rotated through the inner wall that rotates piece and U type frame and is connected, fixed spring is located the one end that the fixed block was kept away from to fixed pressing plate, the both ends of fixed spring respectively with the diapire of U type frame, the fixed lower fixed surface that presses the pressing plate is connected.
Furthermore, one end of the fixed pressing plate, which is far away from the fixed spring, is clamped or separated from the fixed block.
Furthermore, one end of the threaded rod penetrates through the side wall of the second fixing plate and is fixedly connected with an adjusting roller.
Furthermore, one end of the shell, which is far away from the ejection spring, is provided with a positioning sucker.
Furthermore, the surfaces of the first strip-shaped opening and the second strip-shaped opening are provided with adjusting scales.
The utility model has the advantages that:
the utility model discloses when using, the accessible is pressed fixed press plate and is launched away the pilot pin body under the effect that launches the spring, and its puncture speed is swift, and the needle body is stable, is difficult for causing the skew, rotates through the threaded rod simultaneously and drives the limiting plate and carry out position control and make the pilot pin body can adjust the ejection distance according to actual demand to at will control the depth of penetration, convenient to use easily operates, has certain practicality.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a sectional top view of the present invention;
fig. 3 is a main sectional view of the present invention.
Illustration of the drawings:
1. a housing; 2. a positioning needle body; 3. positioning a sucker; 4. an ejection spring; 5. a U-shaped frame; 6. fixing the pressing plate; 7. a fixed head; 8. a limiting plate; 9. fixing the spring; 10. a rotating member; 11. a fixed block; 12. a first bar-shaped opening; 13. a second strip port; 14. a threaded rod; 15. a travel bar; 16. adjusting the roller; 17. a first fixing plate; 18. a second fixing plate; 19. and adjusting the scales.
Detailed Description
Fig. 1 to 3 show that an ejection type breast positioning needle is provided, which comprises a housing 1, a positioning needle body 2 is arranged in the housing 1, one end of the positioning needle body 2 is fixedly connected with a fixing head 7, the inner wall of the housing 1 is fixedly connected with an ejection spring 4, one end of the ejection spring 4 is fixedly connected with the side wall of the fixing head 7, two symmetrical outer side walls of the fixing head 7 are fixedly connected with a fixing block 11, two side walls of the housing 1 close to the fixing block 11 are respectively provided with a first strip-shaped opening 12, one end of the fixing block 11 extends to the outside of the first strip-shaped opening 12, one side of the fixing block 11 is provided with a fixing mechanism fixedly connected with the outer wall of the housing 1, the fixing block 11 can be fixed through a fixing mechanism, so that the positioning needle body 2 is always positioned in the shell 1 when not in use, and the elasticity of the ejection spring 4 can push the positioning needle body 2 to eject, so that ejection puncture positioning is realized; limiting plate 8 has been cup jointed to the surface of pilot pin body 2, one side fixedly connected with carriage release lever 15 of limiting plate 8, second bar mouth 13 and the first fixed plate 17 of fixedly connected with and second fixed plate 18 have been seted up to one side that the outer wall of shell 1 is close to carriage release lever 15, it is connected with threaded rod 14 to rotate between first fixed plate 17 and the second fixed plate 18, second bar mouth 13 and screw thread cup joint in the surface of threaded rod 14 are passed to the one end of carriage release lever 15, threaded rod 14, shell 1, carriage release lever 15, limiting plate 8 is medical duroplastic material, adjusting threaded rod 14 can make limiting plate 8 remove, in order to block fixed head 7, thereby prescribe a limit to the distance that pilot pin body 2 popped out, so that the better degree of depth of penetration of pilot pin body 2 is removed to control according to the actual demand.
The working principle is as follows: the utility model discloses during the use, it is regional to take the puncture through the fixing chuck 3 with the device is fixed, rotate adjusting roller 16 and make threaded rod 14 rotate, and make the carriage release lever 15 drive limiting plate 8 remove and adjusting position so that control pilot pin body 2's depth of penetration, later press fixed pressing plate 6 to make the compression of fixed spring 9, make fixed pressing plate 6 break away from with fixed block 11, pop out pilot pin body 2 under the effect of launching spring 4 and puncture, the inside of pilot pin body 2 includes the location seal wire, the one end of location seal wire extends to the outside of shell 1 (here is not drawn), when locating pin body 2 is puncturing focus department, release its inside location seal wire from the one end of shell 1, it catches on focus department, in order to fix a position.
In the further scheme, fixed establishment includes U type frame 5, fixed spring 9, rotate piece 10 and fixed pressure board 6, fixed pressure board 6 is located the inner wall of U type frame 5, the both sides wall middle part position of fixed pressure board 6 is connected through rotating the inner wall rotation of piece 10 with U type frame 5, fixed spring 9 is located the one end that fixed block 11 was kept away from to fixed pressure board 6, fixed spring 9's both ends respectively with the diapire of U type frame 5, the lower fixed surface fixed connection of fixed pressure board 6, be convenient for fix fixed block 11.
In the further scheme, the fixed pressing plate 6 is far away from the one end of the fixed spring 9 and the fixed block 11 to be clamped or separated, when the fixed block 11 is clamped with the fixed pressing plate 6, the positioning needle body 2 is stably fixed in the shell 1, and when the fixed pressing plate 6 is separated from the fixed spring 9, the restoring force of the ejection spring 4 can drive the positioning needle body 2 to realize ejection puncture.
In a further scheme, one end of the threaded rod 14 penetrates through the side wall of the second fixing plate 18 and is fixedly connected with an adjusting roller 16, so that the threaded rod 14 can be conveniently rotated, and the puncture depth can be adjusted.
In a further scheme, one end of the shell 1, which is far away from the ejection spring 4, is provided with a positioning sucker 3, so that the function of fixing the position is achieved.
In a further scheme, the surfaces of the first strip-shaped opening 12 and the second strip-shaped opening 13 are provided with adjusting scales 19, so that the puncture depth of the positioning needle body 2 can be conveniently adjusted.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (6)

1. The utility model provides a bullet type mammary gland pilot pin, includes shell (1), its characterized in that: the positioning needle comprises a shell (1), a positioning needle body (2) is arranged inside the shell (1), one end of the positioning needle body (2) is fixedly connected with a fixed head (7), an inner wall of the shell (1) is fixedly connected with an ejection spring (4), one end of the ejection spring (4) is fixedly connected with a side wall of the fixed head (7), two symmetrical outer side walls of the fixed head (7) are fixedly connected with a fixed block (11), a first strip-shaped opening (12) is formed in the two side walls of the shell (1) close to the fixed block (11), one end of the fixed block (11) extends to the outside of the first strip-shaped opening (12), one side of the fixed block (11) is provided with a fixing mechanism fixedly connected with the outer wall of the shell (1), a limiting plate (8) is sleeved on the outer surface of the positioning needle body (2), a moving rod (15) is fixedly connected with one side of the limiting plate (8), second bar mouth (13) and first fixed plate of fixedly connected with (17) and second fixed plate (18) have been seted up to one side that the outer wall of shell (1) is close to carriage release lever (15), it is connected with threaded rod (14) to rotate between first fixed plate (17) and second fixed plate (18), the surface in threaded rod (14) is cup jointed to the one end of carriage release lever (15) through second bar mouth (13) and screw thread.
2. The ejection type breast positioning needle as set forth in claim 1, wherein: the fixing mechanism comprises a U-shaped frame (5), a fixing spring (9), a rotating piece (10) and a fixed pressing plate (6), the fixed pressing plate (6) is located on the inner wall of the U-shaped frame (5), the middle positions of the two side walls of the fixed pressing plate (6) are connected with the inner wall of the U-shaped frame (5) in a rotating mode through the rotating piece (10), the fixing spring (9) is located at one end, far away from the fixing block (11), of the fixed pressing plate (6), and the two ends of the fixing spring (9) are fixedly connected with the bottom wall of the U-shaped frame (5) and the lower surface of the fixed pressing plate (6) respectively.
3. The ejection type breast positioning needle as set forth in claim 2, wherein: one end of the fixed pressing plate (6) far away from the fixed spring (9) is clamped or separated with the fixed block (11).
4. The ejection type breast positioning needle as set forth in claim 1, wherein: one end of the threaded rod (14) penetrates through the side wall of the second fixing plate (18) and is fixedly connected with an adjusting roller (16).
5. The ejection type breast positioning needle as set forth in claim 1, wherein: and one end of the shell (1) far away from the ejection spring (4) is provided with a positioning sucker (3).
6. The ejection type breast positioning needle as set forth in claim 1, wherein: the surfaces of the first strip-shaped opening (12) and the second strip-shaped opening (13) are provided with adjusting scales (19).
CN202121123216.9U 2021-05-25 2021-05-25 Ejection type breast positioning needle Expired - Fee Related CN214966840U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121123216.9U CN214966840U (en) 2021-05-25 2021-05-25 Ejection type breast positioning needle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121123216.9U CN214966840U (en) 2021-05-25 2021-05-25 Ejection type breast positioning needle

Publications (1)

Publication Number Publication Date
CN214966840U true CN214966840U (en) 2021-12-03

Family

ID=79132880

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121123216.9U Expired - Fee Related CN214966840U (en) 2021-05-25 2021-05-25 Ejection type breast positioning needle

Country Status (1)

Country Link
CN (1) CN214966840U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023124089A1 (en) * 2021-12-27 2023-07-06 上海傲派医疗科技有限公司 Loop titanium plate implantation apparatus and implantation system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023124089A1 (en) * 2021-12-27 2023-07-06 上海傲派医疗科技有限公司 Loop titanium plate implantation apparatus and implantation system

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20211203