Bonding tool for outer knife tube of rotary-cut biopsy needle

Abstract

The utility model discloses a rotary cutting biopsy needle outer knife tube bonding tool, which comprises a bottom plate, a butt joint plate and a driving unit, the butt joint plate is fixed on the bottom plate, two ends of the upper surface of the butt joint plate are respectively provided with a positioning block and an auxiliary unit, the positioning block is inserted into a notch at a knife head of an outer knife tube and is used for positioning the outer knife tube, and the driving unit is fixed on the butt joint plate. The auxiliary unit is used for limiting the inner knife tube, an in-place block is arranged in the middle of the butt joint plate and used for limiting the moving distance of the outer knife sleeve, and the driving unit is arranged below the butt joint plate and used for pushing the outer knife sleeve to move to the in-place block. According to the rotary-cut biopsy needle outer knife tube bonding tool, the positioning block and the auxiliary unit are adopted, the outer knife tube and the inner knife tube can be rapidly positioned, it is guaranteed that the position of the outer knife tube is stable during alignment bonding, in-place blocks and the driving unit are matched, the outer knife sleeve can be rapidly moved to the gluing position of the outer knife tube after gluing is conducted, the alignment bonding efficiency is high, and the working efficiency is high. And the product is high in yield and good in consistency.

Description

Technical Field

[0001] The utility model relates to a biopsy technology, in particular to an outer blade tube bonding tool for a rotary biopsy needle. Background Art

[0002] Breast biopsy is the abbreviation of "breast biopsy pathological examination", which refers to the method of taking the lesion tissue from the patient's body for pathological examination by local excision, forceps extraction, puncture needle aspiration, scraping, removal and other surgical methods to determine the diagnosis;

[0003] Existing disposable breast puncture needles generally require the inner blade tube assembly to be inserted into the outer blade tube for auxiliary positioning, and then the outer blade tube is manually coated with Lucky 4011 medical instant adhesive, and then the outer blade sleeve is moved to the outer blade tube gluing position to achieve the bonding of the outer blade sleeve and the outer blade tube; and the medical instant adhesive will solidify quickly after being applied to the outer catheter, so the alignment bonding speed is fast, but the alignment accuracy of the outer blade sleeve and the outer blade tube is high, and manual alignment is difficult, which requires extremely high hands-on ability and experience of workers, resulting in difficulty in ensuring alignment bonding efficiency and product stability. Utility Model Content

[0004] In order to solve the defects of the above-mentioned prior art, the utility model provides a peeling biopsy needle outer blade tube bonding tool, which can quickly align the outer blade tube and the outer blade sleeve, has high alignment and bonding efficiency, high product yield and good consistency.

[0005] To achieve the above technical objectives, the utility model adopts the following technical solutions: a bonding tool for the outer blade tube of a rotary cutting biopsy needle, comprising a base plate, a docking plate and a driving unit, wherein the docking plate is fixed to the base plate, and positioning blocks and auxiliary units are respectively provided at both ends of the upper surface of the docking plate, the positioning block is inserted into the notch at the blade head of the outer blade tube for positioning the outer blade tube, the auxiliary unit is used to limit the inner blade tube, a positioning block is provided in the middle of the docking plate, and the positioning block is used to limit the moving distance of the outer blade sleeve, and the driving unit is arranged under the docking plate to push the outer blade sleeve to move to the positioning block.

[0006] Preferably, the positioning block is provided with a positioning groove, the positioning groove is provided with a limiting sleeve, the limiting sleeve is provided on the outer knife tube, and the limiting sleeve is used to limit the outer knife tube.

[0007] Preferably, the driving unit includes a cylinder and a push block, the push block passes through the docking plate through a through slot, the through slot is arranged between the positioning block and the positioning block, the cylinder is fixed to the bottom of the docking plate, the cylinder drives the push block to move, and a slot is provided on the top of the push block, and the slot is used to clamp the outer tool sleeve.

[0008] Preferably, a control switch is provided on the base plate, and the control switch controls the working state of the cylinder.

[0009] Preferably, the auxiliary unit comprises an auxiliary plate and a retaining plate, and the auxiliary plate and the retaining plate are used to support the inner knife tube.

[0010] Preferably, a limiting plate is provided on the docking plate, a limiting groove is provided on the limiting plate, and the groove wall of the limiting groove is in contact with the outer wall of the outer knife tube.

[0011] In summary, the utility model has achieved the following technical effects:

[0012] The utility model discloses a tool for bonding the outer blade tube of a rotary cutting biopsy needle, which adopts a positioning block and an auxiliary unit, can quickly position the outer blade tube and the inner blade tube, ensure the outer blade tube is in a stable position during alignment bonding, and cooperates with the positioning block and the driving unit, can quickly move the outer blade sleeve to the gluing position of the outer blade tube after gluing, has high alignment bonding efficiency, high product yield and good consistency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the outer blade tube bonding tool of the rotary biopsy needle of the utility model;

[0014] Figure 2 It is a structural schematic diagram of the outer blade tube bonding tool of the rotary biopsy needle of the utility model;

[0015] Figure 3 It is a structural schematic diagram of the outer blade tube bonding tool of the rotary biopsy needle of the utility model;

[0016] Explanation of the reference numerals in the drawings in the specification: 1. Base plate; 2. Docking plate; 3. Control switch; 4. Cylinder; 5. Push block; 6. Positioning block; 7. Outer knife tube; 8. Outer knife sleeve; 9. Limit sleeve; 10. Inner knife tube; 11. Auxiliary plate; 12. Positioning plate; 13. Arrival block; 14. Limit plate. DETAILED DESCRIPTION

[0017] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0018] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

[0019] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0020] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0021] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0023] Embodiment 1:

[0024] like Figure 1-3, a bonding tool for the outer blade tube 7 of a rotary cutting biopsy needle includes a base plate 1, a docking plate 2 and a driving unit. The docking plate 2 is fixed to the base plate 1. Positioning blocks 6 and auxiliary units are respectively provided at both ends of the upper surface of the docking plate 2. The positioning block 6 is inserted into the notch at the blade head of the outer blade tube 7 to position the outer blade tube 7. The auxiliary unit is used to limit the inner blade tube 10. A positioning block 13 is provided in the middle of the docking plate 2. The positioning block 13 is used to limit the moving distance of the outer blade sleeve 8. The driving unit is arranged under the docking plate 2 to push the outer blade sleeve 8 to move to the positioning block 13.

[0025] The positioning block 13 is provided with a positioning groove, and the positioning groove is provided with a limiting sleeve 9, which is sleeved on the outer knife tube 7 and used to limit the outer knife tube 7; wherein the end of the outer knife tube 7 facing the limiting sleeve 9 is a glue coating position.

[0026] The driving unit includes a cylinder 4 and a push block 5. The push block 5 passes through the docking plate 2 through a through slot. The through slot is arranged between the positioning block 6 and the positioning block 13. The cylinder 4 is fixed to the bottom of the docking plate 2. The cylinder 4 drives the push block 5 to move. A slot is arranged on the top of the push block 5, and the slot is used to clamp the outer tool sleeve 8.

[0027] A control switch 3 is provided on the bottom plate 1 , and the control switch 3 controls the working state of the cylinder 4 .

[0028] The auxiliary unit includes an auxiliary plate 11 and a retaining plate 12 , and the auxiliary plate 11 and the retaining plate 12 are used to support the inner knife tube 10 .

[0029] A limiting plate 14 is provided on the docking plate 2 , and a limiting groove is provided on the limiting plate 14 , and the groove wall of the limiting groove is in contact with the outer wall of the outer knife tube 7 .

[0030] Working principle: first, place the outer knife tube 7 in the limiting groove of the limiting plate 14, and limit the tail of the outer knife tube 7 through the limiting sleeve 9 to realize the radial positioning of the outer knife tube 7, then insert the positioning block 6 into the notch at the blade head of the outer knife tube 7 to realize the axial positioning of the outer knife tube 7, and at the same time, limit the outer knife sleeve 8 to the push block 5 and sleeve it on the outer knife tube 7, then limit the inner knife tube 10 to the auxiliary plate 11 and the positioning plate 12 and insert it into the outer knife tube 7, after gluing the glue position at the front end of the limiting sleeve 9, immediately turn the control switch 3, and the cylinder 4 drives the push block 5 to push the outer knife sleeve 8 into the gluing position until the outer knife sleeve 8 abuts against the positioning block 13, and wait until the colloid solidifies. The worker removes the outer knife tube 7 and the outer knife sleeve 8, as well as the inner knife tube 10 assembly bonded together, turns the control switch 3, and the cylinder 4 drives the push block 5 to reset.

[0031] The bonding tooling for the outer blade tube 7 of the rotary cutting biopsy needle in this embodiment adopts a positioning block 6 and an auxiliary unit, which can quickly position the outer blade tube 7 and the inner blade tube 10, ensuring that the outer blade tube 7 is in a stable position during alignment bonding, and cooperates with the positioning block 13 and the driving unit to quickly move the outer blade sleeve 8 to the gluing position of the outer blade tube 7 after gluing, thereby achieving high alignment bonding efficiency, high product yield and good consistency.

[0032] The above description is only a preferred implementation mode of the present invention, and does not limit the present invention in any form. Any simple modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are within the scope of the technical solution of the present invention.

Claims

1. A bonding tool for the outer blade tube of a rotary biopsy needle, characterized in that: It includes a base plate, a docking plate and a driving unit, the docking plate is fixed to the base plate, and two ends of the upper surface of the docking plate are respectively provided with positioning blocks and auxiliary units, the positioning block is inserted into the notch at the cutter head of the outer knife tube to position the outer knife tube, the auxiliary unit is used to limit the inner knife tube, and a positioning block is provided in the middle of the docking plate, the positioning block is used to limit the moving distance of the outer knife sleeve, and the driving unit is arranged under the docking plate to push the outer knife sleeve to move to the positioning block.

2. The outer blade tube bonding tool for rotary biopsy needle according to claim 1, characterized in that: The positioning block is provided with a positioning groove, the positioning groove is provided with a limiting sleeve, the limiting sleeve is sleeved on the outer knife tube, and the limiting sleeve is used for limiting the outer knife tube.

3. The outer blade tube bonding tool for rotary biopsy needle according to claim 1, characterized in that: The driving unit includes a cylinder and a push block. The push block passes through the docking plate through a through slot. The through slot is arranged between the positioning block and the positioning block. The cylinder is fixed to the bottom of the docking plate. The cylinder drives the push block to move. A slot is arranged on the top of the push block, and the slot is used to clamp the outer tool sleeve.

4. The outer blade tube bonding tool for rotary biopsy needle according to claim 3, characterized in that: A control switch is arranged on the bottom plate, and the control switch controls the working state of the cylinder.

5. The outer blade tube bonding tool for rotary biopsy needle according to claim 1, characterized in that: The auxiliary unit comprises an auxiliary plate and a clamping plate, and the auxiliary plate and the clamping plate are used to support the inner knife tube.

6. The outer blade tube bonding tool for rotary biopsy needle according to claim 1, characterized in that: The butt joint plate is provided with a limit plate, the limit plate is provided with a limit groove, and the groove wall of the limit groove is in contact with the outer wall of the outer knife tube.

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