CN115957426A - Blood vessel closure glue pushing device - Google Patents
Blood vessel closure glue pushing device Download PDFInfo
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- CN115957426A CN115957426A CN202211717171.7A CN202211717171A CN115957426A CN 115957426 A CN115957426 A CN 115957426A CN 202211717171 A CN202211717171 A CN 202211717171A CN 115957426 A CN115957426 A CN 115957426A
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- shell
- blood vessel
- glue
- driving piece
- pushing device
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Abstract
The application discloses pusher is glued in vascular closure includes: a housing, a portion of which serves as a handle; the glue feeding rod is slidably arranged in the shell, and one end of the glue feeding rod is a working end which can extend out of the shell; the driving piece is pivoted to the shell and has a working direction and a resetting direction which are opposite to each other according to the relative movement trend of the driving piece and the shell; the resetting piece acts between the driving piece and the shell and is used for enabling the driving piece to move along a resetting direction; and the transmission mechanism is in transmission connection with the driving piece and between the glue feeding rods, and the driving piece drives the glue feeding rods to move along the working direction. The application discloses pusher is glued in vascular closure can adjust propelling movement volume and guarantee stable quantitative propelling movement.
Description
Technical Field
The application relates to the technical field of medical equipment, in particular to a pushing device for blood vessel closure glue.
Background
Varicose veins are a common disease of the venous system and are formed mainly because blood flow is accumulated due to a congenital thin blood vessel wall or the same posture is maintained for a long time, and the long-time accumulation damages venous valves and then generates high venous pressure, so that blood vessels protrude out of the surface of the skin. Varicose veins can be divided into upper limb varicose veins and lower limb varicose veins, depending on the part that occurs.
Currently, methods of treating varicose veins include: denudation, minimally invasive surgery, and intra-venous glue cavity closure. Wherein, the vein glue intracavity closure delivers the closure glue to a target position through a pushing device so as to seal the damaged part of the blood vessel.
The existing pushing device can only push a fixed amount every time, when more vein closure glue is needed, the pushing amount can only be adjusted twice or repeatedly by pressing, and quantitative pushing of the closure glue cannot be guaranteed in the pressing process.
Disclosure of Invention
In view of the prior art problem, this application provides a blood vessel closure glues pusher, can adjust the propelling movement volume and realize stable quantitative propelling movement.
Blood vessel closure glues pusher in this application includes:
a housing, a portion of which serves as a handle;
the glue feeding rod is slidably arranged in the shell, and one end of the glue feeding rod is a working end which can extend out of the shell;
the driving piece is pivoted to the shell and has a working direction and a resetting direction which are opposite to each other according to the relative movement trend of the driving piece and the shell;
the resetting piece acts between the driving piece and the shell and is used for enabling the driving piece to move along a resetting direction;
and the transmission mechanism is in transmission connection with the driving piece and between the glue feeding rods, and the driving piece drives the glue feeding rods to move along the working direction.
Optionally, the transmission mechanism includes:
the rack is fixed on the glue feeding rod;
and the transmission gear is rotatably arranged in the shell and is meshed with the rack, and the transmission gear is linked with the driving piece.
Optionally, a ratchet wheel is coaxially fixed on the transmission gear, a pawl is hinged to the driving piece, the ratchet wheel is matched with the pawl, and the driving piece moves along the working direction and drives the ratchet wheel in a single direction.
Optionally, the reset piece is an elastic strip, one end of the elastic strip is fixed to the driving piece, and the other end of the elastic strip abuts against the shell;
a limiting shaft is arranged in the shell, and the other end of the elastic strip abuts against the limiting shaft.
Optionally, a slide rail for bearing the glue feeding rod is arranged in the shell.
Optionally, one side of the glue feeding rod is fixed with the rack, the other side of the glue feeding rod is provided with a guide rib, and a clamping arm which is attached to the guide rib in a sliding manner is arranged in the shell.
Optionally, the blood vessel closing glue pushing device further comprises an adjusting member slidably mounted in the housing, the adjusting member has a plurality of working positions, and the working positions respectively interact with the driving member to limit the movement stroke of the driving member.
Optionally, the inner wall of casing is equipped with curved slide, follows the slide has a plurality of constant head tanks, regulating part install in slide and tip have with constant head tank complex elasticity head.
Optionally, the adjusting member is of a rod-shaped structure, one end of the adjusting member extends out of the casing to serve as an operating end, the casing is provided with an avoiding port corresponding to the operating end, the elastic head is located at the other end of the adjusting member, and at least a part of the adjusting member is located on a movement path of the driving member.
Optionally, a positioning disc is fixed on the adjusting piece, and the adjusting piece is abutted against and matched with the driving piece through the positioning disc.
Compared with the prior art, the method has the following technical effects:
the pushing device for the blood vessel occlusive glue realizes stable pushing of the glue feeding rod through mutual matching of the transmission mechanism, the driving piece and the resetting piece, and ensures the output amount of the vein occlusive glue;
the adjusting piece with a plurality of working positions is arranged to limit the movement stroke of the driving piece, so that the pushing amount of the glue conveying rod is adjustable, and the complexity of glue discharging operation is reduced.
Drawings
Fig. 1 is a schematic structural view of a blood vessel occlusion gel pushing device in an embodiment of the present application;
FIG. 2 is a cross-sectional view of a blood vessel occlusive gel delivery device in an embodiment of the present application;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an enlarged view of the portion B in FIG. 2;
FIG. 5 is a partial view of an adjustment member according to one embodiment;
FIG. 6 is a partial view of a blood vessel occlusive gel delivery device in an embodiment of the present application;
FIG. 7 is an enlarged view of portion A of FIG. 6;
FIG. 8 is an enlarged view of the portion B in FIG. 6;
FIG. 9 is a schematic structural view of a blood vessel occlusive agent pushing device with a pull rod assembly in one embodiment;
FIG. 10 is a diagram illustrating the linkage assembly and the transmission mechanism in accordance with one embodiment;
FIG. 11 is a schematic view of an embodiment of a tie rod assembly.
The reference numerals in the figures are illustrated as follows:
10. a housing; 11. a handle; 12. a roll shaft; 13. a slide rail; 14. a slideway; 15. positioning a groove; 16. avoiding the mouth;
20. a glue feeding rod; 21. a working end; 22. a guide rib; 23. clamping arms; 24. a limiting member;
30. a drive member; 31. a pawl; 32. a buffer member;
40. a reset member;
50. a transmission mechanism; 51. a rack; 52. a transmission gear; 521. a ratchet wheel;
60. an adjustment member; 61. an elastic head; 62. an operation end; 63. positioning a plate; 64. a lumen; 65. an elastic member;
70. a drawbar assembly; 71. a first pull rod; 72. a second pull rod.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and 2, a blood vessel occlusion gel pushing device provided in an embodiment of the present application includes a housing 10, a gel feeding rod 20, a driving member 30, a restoring member 40, and a transmission mechanism 50; one part of the housing 10 is used as a handle 11 for an operator to hold, and one end of the housing 10 is usually detachably connected with an injection assembly storing a closing glue; the glue feeding rod 20 is slidably mounted in the housing 10, and one end thereof is a working end 21 capable of extending out of the housing 10, and the working end 21 can extend into the injection assembly; the driving member 30 is pivoted to the housing 10, the transmission mechanism 50 is connected between the driving member 30 and the glue feeding rod 20 in a transmission manner, and the reset member 40 acts between the driving member 30 and the housing 10.
The driving member 30 has opposite working and resetting directions according to the relative movement trend with the housing 10, i.e. when the operator holds the handle 11 and presses the driving member 30, the driving member 30 moves in the working direction and drives the glue feeding rod 20 through the transmission mechanism 50, so that the working end 21 performs piston movement in the injection assembly, thereby pushing the closure glue. When the operator releases his hand from the squeezing of the driver 30, the restoring member 40 can move the driver 30 in the restoring direction.
Referring to fig. 6 and 8, in the embodiment, the glue feeding rod 20 is a straight rod, and the working end 21 of the glue feeding rod is provided with a limiting member 24 for ensuring that the glue feeding rod is concentrically connected with the injection assembly, and the limiting member 24 may be a limiting disc or the like. During the pushing process, the glue feeding rod 20 is always in a concentric position, and even in an unexpected situation, the glue feeding rod can still be kept in a horizontal state. This setting can promote the motion stability who send gluey pole 20 and the holistic operation convenience of device.
Referring to the embodiment shown in fig. 3, the transmission mechanism 50 includes a rack 51 and a transmission gear 52, wherein the rack 51 is fixed to the glue feeding rod 20; the transmission gear 52 is rotatably installed in the housing 10 and engaged with the rack 51, and the transmission gear 52 is further linked with the driving member 30, so that the driving member 30, the transmission gear 52 and the rack 51 are closely and mutually driven to conveniently and flexibly drive the movement of the glue feeding rod 20, and simultaneously avoid the occurrence of gear jamming, gear skipping and the like.
Referring to the embodiment shown in fig. 4, a ratchet wheel 521 is coaxially fixed on the transmission gear 52, a pawl 31 matched with the ratchet wheel 521 is hinged on the driving element 30, and the driving element 30 drives the ratchet wheel 521 in a single direction when moving along the working direction, so that the glue feeding rod 20 is pushed quantitatively.
Referring to the embodiment shown in fig. 6, the restoring member 40 is an elastic strip, one end of which is fixed to the driving member 30, and the other end of which abuts against the housing 10. In addition, a roller shaft 12 is provided in the housing 10 for supporting the elastic band.
In another embodiment, a limiting shaft may be disposed in the housing 10, and the other end of the elastic strip abuts against the limiting shaft (not shown).
Referring to the embodiment shown in fig. 2 and 6, a slide rail 13 is disposed in the housing 10 for carrying the glue feeding rod 20, and the glue feeding rod 20 can move along the slide rail 13. Further, the glue feeding rod 20 has two opposite sides, wherein one side is fixed with the rack 51, the other side is provided with the guide rib 22, a clamping arm 23 is arranged in the housing 10, and the clamping arm 23 and the guide rib 22 are slidably attached to each other to play a role in stabilizing the glue feeding rod 20 and avoid interfering with the sliding of the glue feeding rod 20.
In the embodiment shown in fig. 4, the blood vessel sealing glue pushing device further includes an adjusting member 60, the adjusting member 60 is slidably and fixedly installed in the housing 10, the adjusting member 60 has a plurality of working positions, and each working position can respectively interact with the driving member 30, so as to limit the moving stroke of the driving member 30, and further limit the pushing stroke of the glue feeding rod 20, i.e., the pushing amount of the sealing glue. The blood vessel closure glue pusher that this embodiment provided can adjust the propelling movement volume of closure glue, reduces the loaded down with trivial details nature of operation, convenient and fast more.
Specifically, the inner wall of the casing 10 is provided with an arc-shaped slide way 14, positioning slots 15 are provided along the slide way 14, there may be a plurality of positioning slots 15, and the adjusting member 60 is mounted on the slide way 14, and the end portion thereof is provided with an elastic head 61, the elastic head 61 may be respectively matched with each positioning slot 15, so that the adjusting member 60 is located at different working positions.
The adjusting member 60 may be a rod-shaped structure, one end of which extends out of the housing 10 as an operating end 62, and the other end of which is the elastic head 61. The housing 10 is provided with an escape opening 16 corresponding to the operation end 62, at least a part of the adjusting member 60 is located on the moving path of the driving member 30, and an operator can make the elastic head 61 cooperate with the positioning slots 15 at different positions through the operation end 62, so as to make the adjusting member 60 enter different working positions.
In order to better limit the movement stroke of the driving member 30, a positioning disc 63 is fixed on the adjusting member 60, and the adjusting member 60 can be abutted and matched with the driving member 30 through the positioning disc 63; when the adjusting member 60 is located at different working positions, a corresponding distance is provided between the positioning plate 63 and the driving member 30, and each distance determines the limited degree of movement of the driving member 30 in the working direction, so as to control the transmission energy of the driving transmission mechanism 50, and finally, the glue feeding rod 20 can achieve different pushing amounts.
Referring to fig. 5, the adjusting member 60 is a telescopic rod-shaped structure, and has a cavity 64 for receiving the elastic head 61 therein, and one end of the elastic head 61 is provided with an elastic member 65, such as a spring; when the working position needs to be adjusted, the elastic head 61 is controlled to stretch and contract through the positioning disc 63.
In one embodiment, a buffer 32 is disposed between the driving member 30 and the transmission mechanism 50, so as to reduce noise generated by the driving engagement of the driving member and the transmission mechanism, thereby improving the use feeling, and reduce friction between the driving member and the transmission mechanism, thereby prolonging the service life of the device. For example, in fig. 7, a mute block is fixed to the end of the pawl 31 which is placed on the ratchet 521.
After the blood vessel closing glue pushing device is used, in order to reset the glue feeding rod, in an embodiment, the blood vessel closing glue pushing device further includes a pull rod assembly 70, the pull rod assembly 70 rotates in the housing, and one end of the pull rod assembly 70 extends into the housing 10 to be linked with the transmission mechanism 50, so as to drive the glue feeding rod 20 to reset, which is shown in fig. 9.
Referring specifically to fig. 10 and 11, the lever assembly 70 includes a first lever 71 and a second lever 72 that are engaged with each other, the transmission gear 52 is rotatably mounted on the first lever 71, and the ratchet 521 is rotatably mounted on the second lever 72. During operation, the first pull rod 71 is rotated and pulled outwards to be separated from the second pull rod 72, then the transmission gear 52 is disconnected from the ratchet 521, and then the first pull rod 71 is continuously rotated to drive the transmission gear 52 to rotate, so that the glue feeding rod 20 horizontally moves, and reset is achieved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features. When technical features in different embodiments are represented in the same drawing, it can be seen that the drawing also discloses a combination of the embodiments concerned.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, and these are all within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.
Claims (10)
1. Blood vessel closes gluey pusher, its characterized in that includes:
a housing, a portion of which serves as a handle;
the glue feeding rod is slidably arranged in the shell, and one end of the glue feeding rod is a working end which can extend out of the shell;
the driving piece is pivoted to the shell and has a working direction and a resetting direction which are opposite to each other according to the relative movement trend of the driving piece and the shell;
the resetting piece acts between the driving piece and the shell and is used for enabling the driving piece to move along a resetting direction;
and the transmission mechanism is in transmission connection with the driving piece and between the glue feeding rods, and the driving piece drives the glue feeding rods to move along the working direction.
2. The blood vessel occlusive gel delivery device of claim 1, wherein the transmission mechanism comprises:
the rack is fixed on the glue feeding rod;
and the transmission gear is rotatably arranged in the shell and is meshed with the rack, and the transmission gear is linked with the driving piece.
3. The blood vessel occlusive glue pushing device as claimed in claim 2, wherein a ratchet wheel is coaxially fixed on the transmission gear, a pawl is hinged on the driving member, the ratchet wheel is matched with the pawl, and the driving member moves along the working direction and drives the ratchet wheel in a single direction.
4. The blood vessel occlusive glue pushing device according to claim 1, wherein the resetting piece is an elastic strip, one end of the elastic strip is fixed with the driving piece, and the other end of the elastic strip abuts against the shell;
a limiting shaft is arranged in the shell, and the other end of the elastic strip abuts against the limiting shaft.
5. The blood vessel occlusive gel pushing device of claim 1, wherein a slide rail for carrying the gel feeding rod is arranged in the housing.
6. The blood vessel closing glue pushing device as claimed in claim 2, wherein one side of the glue feeding rod is fixed with the rack, the other side is provided with a guiding rib, and a clamping arm which is in sliding contact with the guiding rib is arranged in the housing.
7. The blood vessel occlusive gel pushing device according to claim 1, further comprising a slidably positioned adjusting member mounted in the housing, wherein the adjusting member has a plurality of working positions, and each working position respectively interacts with the driving member to limit a movement stroke of the driving member.
8. The blood vessel closing glue pushing device according to claim 7, wherein an arc-shaped slide way is arranged on the inner wall of the shell, a plurality of positioning grooves are formed along the slide way, the adjusting piece is installed on the slide way, and an elastic head matched with the positioning grooves is arranged at the end part of the adjusting piece.
9. The blood vessel occlusive glue pushing device as claimed in claim 8, wherein the adjusting member is a rod-shaped structure, one end of the adjusting member extends out of the housing to serve as an operating end, the housing is provided with an avoiding opening corresponding to the operating end, the elastic head is located at the other end of the adjusting member, and at least a part of the adjusting member is located on a moving path of the driving member.
10. The blood vessel occlusive glue pushing device according to claim 7, wherein a positioning disc is fixed on the adjusting member and is in abutting fit with the driving member through the positioning disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211717171.7A CN115957426A (en) | 2022-12-29 | 2022-12-29 | Blood vessel closure glue pushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211717171.7A CN115957426A (en) | 2022-12-29 | 2022-12-29 | Blood vessel closure glue pushing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115957426A true CN115957426A (en) | 2023-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211717171.7A Pending CN115957426A (en) | 2022-12-29 | 2022-12-29 | Blood vessel closure glue pushing device |
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| Country | Link |
|---|---|
| CN (1) | CN115957426A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116269602A (en) * | 2023-05-23 | 2023-06-23 | 苏州天鸿盛捷医疗器械有限公司 | Varicose vein intracavity closing device |
-
2022
- 2022-12-29 CN CN202211717171.7A patent/CN115957426A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116269602A (en) * | 2023-05-23 | 2023-06-23 | 苏州天鸿盛捷医疗器械有限公司 | Varicose vein intracavity closing device |
| CN116269602B (en) * | 2023-05-23 | 2023-09-01 | 苏州天鸿盛捷医疗器械有限公司 | Varicose vein intracavity closing device |
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