CN115177376A - Mammary gland pilot pin with roller type seal wire removes structure - Google Patents
Mammary gland pilot pin with roller type seal wire removes structure Download PDFInfo
- Publication number
- CN115177376A CN115177376A CN202210636558.3A CN202210636558A CN115177376A CN 115177376 A CN115177376 A CN 115177376A CN 202210636558 A CN202210636558 A CN 202210636558A CN 115177376 A CN115177376 A CN 115177376A
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- China
- Prior art keywords
- guide wire
- sliding block
- needle
- roller
- locking
- 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.)
- Pending
Links
- 210000005075 mammary gland Anatomy 0.000 title description 2
- 210000000481 breast Anatomy 0.000 claims abstract description 23
- 230000000694 effects Effects 0.000 abstract description 3
- 206010006187 Breast cancer Diseases 0.000 description 4
- 208000026310 Breast neoplasm Diseases 0.000 description 4
- 206010028980 Neoplasm Diseases 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/11—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis with guides for needles or instruments, e.g. arcuate slides or ball joints
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
- A61B2017/3405—Needle locating or guiding means using mechanical guide means
- A61B2017/3409—Needle locating or guiding means using mechanical guide means including needle or instrument drives
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
The invention relates to a breast positioning needle with a roller type guide wire moving structure, which comprises: a handle assembly; the guide wire locking structure is used for realizing locking or unlocking between the guide wire and the sliding block; the guide wire moving structure adopts a roller type guide wire moving structure to push the slide block in the locking state, so that the guide wire can be driven to move forwards or backwards; the guide wire locking structure and the guide wire moving structure are disposed in the handle assembly. The guide wire is pushed through the roller, and the guide wire is more labor-saving when being sent out or retracted due to the labor-saving effect of the gear; the handle is difficult to shake during operation, improves the positioning accuracy of seal wire.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a breast positioning needle with a roller type guide wire moving structure.
Background
The information in this background section is only for enhancement of some understanding of the general background of the invention and is not necessarily to be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
The breast tumor is one of common diseases of women, and the breast tumor with the diameter of less than 1 cm, particularly less than 0.5 cm can not be accurately operated because a surgeon can not touch or palpate the breast tumor, and the breast tumor can be removed after being positioned by a breast positioning needle.
The breast locating needle typically penetrates an external needle into the tumor area under ultrasound guidance, releasing the guidewire at the operating handle so that the tip of the guidewire is anchored in the tumor area. The locking and unlocking relation between the guide wire and the handle is determined through the size of the pressing force in the prior art, the guide wire and the handle can be locked only by pressing with force during operation, the guide wire is pushed by large force, and hand shaking is easily caused by excessive force during operation, so that the positioning position of the guide wire is influenced.
Disclosure of Invention
In view of the above, the present invention provides a breast positioning needle with a roller-type guide wire moving structure, in which the guide wire is pushed by the roller, and the guide wire is fed out or retracted with less effort due to the labor-saving effect of the gears.
Specifically, the invention adopts the following technical scheme:
a breast locator needle with a roller-type guidewire translation structure, comprising: a handle assembly; the guide wire locking structure is used for realizing locking or unlocking between the guide wire and the sliding block; the guide wire moving structure adopts a roller type guide wire moving structure to push the slide block in the locking state, so that the guide wire can be driven to move forwards or backwards; the guide wire locking structure and the guide wire moving structure are disposed in the handle assembly.
Optionally, the guide wire locking structure is located at one end of the handle assembly and the guide wire movement structure is located at the other end of the handle assembly.
Optionally, the guide wire locking structure is located at a forward end of the handle assembly and the guide wire movement structure is located at a rearward end of the handle assembly.
Optionally, the guide wire locking structure includes a sliding mechanism, an upper sliding block for the sliding mechanism to slide, a lower sliding block matched with the upper sliding block, and a guide wire located between the upper sliding block and the lower sliding block; through the sliding of the sliding mechanism, the locking or unlocking between the guide wire and the sliding block is realized.
Optionally, in the guide wire locking structure, when the sliding mechanism is located on one side of the upper slider, the sliding mechanism and the upper slider are in a pressing state, so that a locking function between the guide wire and the slider is realized; when the sliding mechanism is positioned on the other side of the upper sliding block, the sliding mechanism and the upper sliding block are in a relaxed state, so that the unlocking function between the guide wire and the sliding block is realized.
Optionally, in the guide wire locking structure, the sliding mechanism, the upper slider, the guide wire, and the lower slider are sequentially arranged from top to bottom in the handle assembly.
Optionally, the guide wire is a single-hook guide wire or a double-hook guide wire.
Optionally, in the guide wire locking structure, the sliding structure includes a locking button having at least one through hole and a pin rod, and the pin rod is disposed on the locking button through the through hole.
Optionally, in the guide wire locking structure, a groove for the guide wire to pass through is formed in the upper sliding block, and the depth of the groove is smaller than the diameter of the guide wire; when the locking button presses the upper sliding block tightly, the guide wire is locked with the upper sliding block and the lower sliding block.
Optionally, the handle assembly comprises a housing, a sliding hole for installing the locking button is formed in the upper portion of the front end of the housing, and inclined grooves are formed in two sides of the upper portion of the front end of the housing respectively; the locking button is clamped on the front end of the shell through the sliding hole and can move in the sliding hole; correspondingly, the upper sliding block is provided with an inclined plane matched with the inclined groove, the pin rod is clamped in the inclined grooves on two sides of the shell, and under the guidance of the inclined grooves, the pin rod can do inclined plane movement on the upper sliding block, so that the locking button is pressed or separated from the surface of the upper sliding block, the guide wire, the upper sliding block and the lower sliding block are in a pressing or loosening state, and the locking or unlocking function is realized.
Alternatively, the housing includes an upper housing and a lower housing, which may be closed as a single body, i.e., a handle body.
Optionally, the guide wire moving structure comprises a roller and a rack, one side of the roller is provided with a concentric gear meshed with the rack, and the upper part of the front end of the rack is clamped with the lower sliding block; the concentric gear is meshed with the rack and then can drive the rack to move forwards or backwards.
Optionally, a straight groove is formed in the bottom of the shell, and the lower portion of the front end of the rack is matched with the straight groove through a rack protrusion, so that the rack slides in the straight groove.
Optionally, the handle assembly further comprises a coaxial needle, the coaxial needle comprises a coaxial needle handle and a coaxial needle tube, the coaxial needle is located at the top end of the housing, and the guide wire penetrates through the coaxial needle to keep a linear state of the guide wire.
According to the technical scheme, the guide wire is pushed through the idler wheel, and the guide wire is more labor-saving when being sent out or retracted due to the labor-saving effect of the gear; the handle is difficult to shake during operation, improves the positioning accuracy of seal wire.
Drawings
For purposes of illustration and not limitation, the present invention will now be described in accordance with its preferred embodiments, particularly with reference to the accompanying drawings, wherein:
FIG. 1 is a schematic view of one configuration of a breast needle having a roller-type guidewire translation structure in accordance with the present invention;
FIG. 2 is an exploded view of one configuration of the breast locator needle with roller-type guidewire movement structure of the present invention;
FIG. 3 is a schematic view of one configuration of a breast needle having a roller-type guidewire translation structure in accordance with the present invention;
FIG. 4 is a schematic view of one configuration of a breast locator needle with a roller-type guidewire displacement mechanism in accordance with the present invention;
the needle guide device comprises a handle assembly 1, a handle assembly 11, an upper shell 111, a sliding hole 112, a chute 113, a roller sliding hole 12, a lower shell 121, a straight groove 13, a coaxial needle 131, a coaxial needle handle 132, a coaxial needle tube 2, a guide wire locking structure 21, a sliding mechanism 211, a locking button 212, a pin rod 213, a through hole 22, an upper sliding block 221, an inclined plane 23, a lower sliding block 24, a guide wire 3, a guide wire moving structure 31, a roller 311, a concentric gear 32, a rack 321 and a rack bulge.
Detailed Description
In an exemplary embodiment of the present invention, a breast positioning needle with a sliding mechanism is provided, as shown in fig. 1, the breast positioning needle includes a handle assembly 1, a guide wire locking structure 2 and a guide wire moving structure 3, the guide wire locking structure 2 and the guide wire moving structure 3 are both disposed in the handle assembly 1, in terms of the needle insertion direction, the guide wire locking structure 2 is located at the front end of the handle assembly 1, and the guide wire moving structure 3 is located at the rear end of the handle assembly 1.
As shown in fig. 2, 3 and 4, the guide wire locking structure 2 includes a slide mechanism 21, an upper slider 22 on which the slide mechanism slides, a lower slider 23 which is engaged with the upper slider, and a guide wire 24 which is positioned between the upper slider and the lower slider. Specifically, the slide mechanism 21 includes a lock button 211 having at least one through-hole 213, and a pin 212, the pin 212 being located in the through-hole 213 and penetrating the lock button 211 and being exposed at one end on both sides of the lock button 211. The upper sliding block 22 is provided with a groove for the guide wire 24 to pass through, and the depth of the groove is smaller than the diameter of the guide wire 24; when the locking button 211 presses the upper slider 22, the guide wire 24 is locked with the upper slider 22 and the lower slider 23. The guidewire 24 may be a flexible, single hook guidewire.
The handle assembly 1 comprises an upper shell 11, a lower shell 12 and a coaxial needle 13; the upper housing 11 and the lower housing 12 can be closed by means of an insertion connection to form a handle body, which is provided with a detachable coaxial pin 13 at one end of the guide wire locking structure 2. The coaxial needle 13 includes a coaxial needle handle 131 and a coaxial needle tube 132, and the coaxial needle tube 132 is inserted into the coaxial needle handle 131 to form the coaxial needle 13. The upper surface of the front end (the end close to the guide wire locking structure 2) of the upper shell 11 is provided with a sliding hole 111 for installing a locking button 211, and two side surfaces are respectively provided with a chute 112; the locking button 211 is clamped on the upper shell 11 through the sliding hole 111 and can move in the sliding hole 111, correspondingly, the upper sliding block 22 is provided with an inclined surface 221 matched with the inclined groove 112, the pin rod 212 is clamped in the inclined grooves 112 on two side surfaces of the upper shell, under the guidance of the inclined grooves 112, the pin rod 212 can perform inclined surface movement on the upper sliding block 22, so that the locking button 211 is pressed or separated from the surface of the upper sliding block 22, the guide wire 24, the upper sliding block 22 and the lower sliding block 23 are in a pressing or loosening state, and the locking or unlocking function of the guide wire 24 and the handle assembly 1 is realized. The upper surface of the rear end of the upper shell 11 is provided with a roller sliding hole 113, and the bottom of the lower shell 12 is provided with a straight groove 121.
The guide wire moving structure 3 is a roller type guide wire moving structure and comprises a roller 31 and a rack 32, the roller 31 is exposed out of the upper shell 11 through a roller sliding hole 113, one side of the roller 31 is provided with a concentric gear 311 meshed with the rack 32, and the upper surface of the front end of the rack 32 is clamped with the lower slider 23; the concentric gear 311 is engaged with the rack gear 32 to drive the rack gear 32 forward or backward. The rack 32 is matched with the straight groove 121 through the lower rack projection 321 at the front end of the rack 32, so that the rack 32 slides in the straight groove 121.
When the breast positioning needle is used, the guide wire 24 and the sliding block are locked or unlocked through the locking button 211, and then the sliding block is driven by the roller 31 to move forwards and backwards, so that the guide wire 24 can move forwards and backwards. The guide wire 24 is kept in a linear state in the coaxial needle 13 before positioning, and after being pushed forward by the roller 31, the end of the guide wire 24 extends out of the coaxial needle 13 and is bent and spirally inserted into a tissue to realize positioning. If the positioning position is found to be wrong, the guide wire 24 can be pulled out backwards through the roller 31, and the guide wire 24 is straightened at the coaxial needle point position and can be withdrawn back into the coaxial needle 13.
The above-described embodiments should not be construed as limiting the scope of the invention. Those skilled in the art will appreciate that various modifications, combinations, sub-combinations, and substitutions can occur, depending on design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A breast locating needle with a roller type guide wire moving structure is characterized by comprising:
a handle assembly;
the guide wire locking structure is used for realizing locking or unlocking between the guide wire and the sliding block;
the guide wire moving structure adopts a roller type guide wire moving structure to push the sliding block in a locking state and is used for driving the guide wire to move forwards or backwards;
the guide wire locking structure and the guide wire moving structure are disposed in the handle assembly.
2. The breast positioning needle with the roller type guide wire moving structure according to claim 1, wherein the guide wire moving structure comprises a roller and a rack, one side of the roller is provided with a concentric gear meshed with the rack, and the upper part of the front end of the rack is clamped with the lower sliding block; the concentric gear is meshed with the rack and can drive the rack to move forward or backward.
3. The breast positioning needle with a roller-type guidewire translation structure of claim 1, wherein the guidewire locking structure is located at one end of the handle assembly and the guidewire translation structure is located at the other end of the handle assembly.
4. The breast positioning needle with the roller type guide wire moving structure according to claim 1, wherein the guide wire locking structure comprises a sliding mechanism, an upper sliding block for the sliding mechanism to slide, a lower sliding block matched with the upper sliding block, and a guide wire positioned between the upper sliding block and the lower sliding block, wherein the sliding mechanism, the upper sliding block, the guide wire and the lower sliding block are arranged in the handle assembly from top to bottom in sequence; when the sliding mechanism is positioned on one side of the upper sliding block, the sliding mechanism and the upper sliding block are in a pressing state, so that the locking function between the guide wire and the sliding block is realized; when the sliding mechanism is positioned on the other side of the upper sliding block, the sliding mechanism and the upper sliding block are in a relaxed state, so that the unlocking function between the guide wire and the sliding block is realized.
5. The breast pin with a roller-type guide wire moving structure according to claim 1, wherein the sliding structure of the guide wire locking structure comprises a locking button having at least one through hole and a pin rod, and the pin rod is disposed on the locking button through the through hole.
6. The breast locator needle with the roller-type guide wire moving structure according to claim 1,
in the guide wire locking structure, a groove for a guide wire to pass through is formed in the upper sliding block, and the depth of the groove is smaller than the diameter of the guide wire; when the locking button presses the upper sliding block tightly, the guide wire is locked with the upper sliding block and the lower sliding block.
7. The breast positioning needle with the roller type guide wire moving structure according to claim 5, wherein the handle assembly comprises a housing, a sliding hole for installing the locking button is arranged at the upper part of the front end of the housing, and inclined grooves are respectively arranged at two sides of the upper part of the front end of the housing; the locking button is clamped on the front end of the shell through the sliding hole and can move in the sliding hole; correspondingly, the cotter bar card is in the chute of casing both sides, the last slider be equipped with chute assorted inclined plane, under the guide of chute, the cotter bar can be the inclined plane motion on the last slider to make locking button compress tightly or leave the surface of last slider, make seal wire and last slider and lower slider present and compress tightly or relax the state, thereby realize locking or unblock function.
8. The breast locator needle with the roller-type guidewire movement structure of claim 7, wherein the housing comprises an upper housing and a lower housing, and the upper housing and the lower housing are closable as a whole.
9. The breast locator needle with the roller-type guide wire moving structure according to claim 7,
the bottom in the shell is provided with a straight groove, and the lower part of the front end of the rack is matched with the straight groove through a rack bulge to realize that the rack slides in the straight groove.
10. The breast locator needle with the roller-type guide wire moving structure as claimed in claim 7, wherein the handle assembly further comprises a coaxial needle and a needle tube, the coaxial needle is located at the top end of the housing, the end of the needle tube is arranged in the coaxial needle, and the guide wire penetrates through the coaxial needle and the needle tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210636558.3A CN115177376A (en) | 2022-06-07 | 2022-06-07 | Mammary gland pilot pin with roller type seal wire removes structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210636558.3A CN115177376A (en) | 2022-06-07 | 2022-06-07 | Mammary gland pilot pin with roller type seal wire removes structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115177376A true CN115177376A (en) | 2022-10-14 |
Family
ID=83513334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210636558.3A Pending CN115177376A (en) | 2022-06-07 | 2022-06-07 | Mammary gland pilot pin with roller type seal wire removes structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115177376A (en) |
-
2022
- 2022-06-07 CN CN202210636558.3A patent/CN115177376A/en active Pending
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