Bending tool for biopsy puncture needle core
By designing a bending tool for the biopsy puncture needle core and utilizing the coordination of the base, support and limiting tool, the problems of puncture needle processing accuracy and consistency are solved, and the bending efficiency and quality are improved.
Patent Information
- Application Number
- CN202422539886.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-21
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-10-21
AI Technical Summary
The existing puncture needles have low processing accuracy and poor angle shaping ability during the bending process, resulting in low yield and easy deformation, resulting in poor product consistency.
A bending tool for a biopsy puncture needle core is designed, which includes a base, a support, a bending part and a limiting tool. The bending part, the support and the limiting tool cooperate with each other to achieve precise bending of the puncture needle core.
The bending efficiency and quality of the puncture needle core are improved, ensuring the consistency and use effect of the product.
Smart Images

Figure CN223418207U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical instruments, in particular to a bending tool for a biopsy puncture needle core. Background Art
[0002] Puncture needles have been used clinically for many years, but when used, the puncture needle is not a straight hollow body, but one end is bent at a certain angle.
[0003] The structure of puncture needles is usually bent manually without the help of tooling. It is completely done manually, one by one. This phenomenon not only makes the puncture needle processing precision low and the angle shaping ability poor, but also has a low yield rate, and the bends are easy to deform, which affects the use and the consistency of the product. Utility Model Content
[0004] The purpose of the utility model is to provide a bending tool for a biopsy puncture needle core, so as to solve the problem of poor consistency in the prior art.
[0005] To this end, an embodiment of the present utility model provides a bending tool for a biopsy puncture needle core.
[0006] According to an embodiment of the present utility model, a bending tool for a biopsy puncture needle core includes: a base; a support member, the support member is arranged on the base, and the front end of the support member is an arc-shaped portion; a bending member, the bending member is movably arranged on the base, and the bending member is located above the support member; a limiting tool, the limiting tool is slidably arranged on the base, the limiting tool can move away from and approach the support member, and the limiting tool is used to fix the puncture needle core; when the part to be bent of the puncture needle core is located above the arc-shaped portion, the bending member moves to bend the part to be bent of the puncture needle core.
[0007] According to the bending tool for the biopsy puncture needle core of the utility model, the part to be bent of the puncture needle core can be bent through the mutual cooperation between the bending part, the support part and the limiting tool, thereby improving the bending efficiency and quality of the puncture needle core.
[0008] In some embodiments, the base includes a chassis and a track plate; a mounting groove is provided on the chassis, a limiting member is provided below the support member, and the limiting member is slidably provided in the mounting groove; the track plate is provided on the side of the chassis, a sliding groove is provided on the track plate, and the limiting tooling is slidably provided in the sliding groove.
[0009] In some embodiments, the chassis includes a lower plate portion and an upper plate portion, the upper plate portion is detachably mounted on the lower plate portion, and the upper plate portion is provided with the mounting groove; the base also includes a fixing plate, the fixing plate is provided on the lower plate portion, and the fixing plate is located on the side of the upper plate portion, and the track plate is provided on the fixing plate.
[0010] In some embodiments, the cross-section of the mounting groove is T-shaped, and the limiting member is a T-shaped member.
[0011] In some embodiments, a positioning groove is provided on the support member, and the positioning groove is located at the tail end of the arc portion.
[0012] In some embodiments, the bending member includes a first punch and a second punch, the first punch is used to press the tail end of the puncture needle core at the portion to be bent, and the second punch is used to bend the portion to be bent of the puncture needle core.
[0013] In some embodiments, the longitudinal section of the first punch is trapezoidal, and the first punch is suitable for pressing on the needle core of the puncture needle; the longitudinal section of the second punch is triangular, and the second punch is suitable for pushing the part of the needle core of the puncture needle to be bent.
[0014] In some embodiments, the limiting tooling includes but is not limited to a clamping tooling, a snap-on tooling, and a wrapping tooling.
[0015] In some embodiments, the bending tooling for the biopsy puncture needle core also includes a stroke adjustment mechanism and a cylinder. The stroke adjustment mechanism is connected to the bending part, and the stroke adjustment mechanism is used to limit the moving distance of the bending part, thereby controlling the bending angle; the cylinder is connected to the bending part, and the cylinder is used to drive the bending part to move.
[0016] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and do not limit the present disclosure. Other features and aspects of the present disclosure will become more apparent from the following detailed description of exemplary embodiments with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0018] Figure 1It is a schematic diagram of a bending tool according to an embodiment of the present utility model.
[0019] Figure 2 It is a schematic diagram of a position limiting tool in the bending tool according to an embodiment of the present utility model.
[0020] Figure 3 It is a schematic diagram of another limiting tool in the bending tool according to an embodiment of the present utility model.
[0021] Reference numerals:
[0022] Puncture needle core 200, first product handle 201.
[0023] Bending tool 100 , base 10 , chassis 11 , lower plate 101 , upper plate 102 , mounting groove 111 , track plate 12 , sliding groove 121 , fixing plate 13 .
[0024] Support member 20 , arc-shaped portion 21 , limiting member 22 , positioning groove 23 .
[0025] Bending part 30 , first punch 31 , second punch 32 .
[0026] Limiting tooling 40, first product limiting block 41, second product limiting block 42, third product limiting block 43. DETAILED DESCRIPTION
[0027] The following will clearly and completely describe the technical solutions of the present invention in conjunction with specific implementation schemes. However, those skilled in the art should understand that the implementation schemes described below are only used to illustrate the present invention and should not be considered as limiting the scope of the present invention. Based on the implementation schemes in the present invention, all other implementation schemes obtained by those of ordinary skill in the art without making any creative efforts shall fall within the scope of protection of the present invention.
[0028] like Figure 1-Figure 3 As shown, the bending tool 100 for the biopsy puncture needle core 200 according to the embodiment of the present utility model includes: a base 10, a support member 20, a bending member 30 and a limiting tool 40.
[0029] The support member 20 is arranged on the base 10, and the front end of the support member 20 is an arc-shaped portion 21; the bending member 30 is movably arranged on the base 10, and the bending member 30 is located above the support member 20; the limiting tooling 40 is slidably arranged on the base 10, and the limiting tooling 40 can move away from and approach the support member 20, and the limiting tooling 40 is used to fix the puncture needle core 200.
[0030] When the portion of the puncture needle core 200 to be bent is located above the arc-shaped portion 21 , the bending member 30 moves to bend the portion of the puncture needle core 200 to be bent.
[0031] According to the bending tool 100 for the biopsy puncture needle core 200 of the present invention, the portion to be bent of the puncture needle core 200 can be bent through the mutual cooperation between the bending part 30, the support part 20 and the limiting tool 40, thereby improving the bending efficiency and quality of the puncture needle core 200.
[0032] In some embodiments, as Figure 1 As shown, the base 10 includes a chassis 11 and a track plate 12; a mounting groove 111 is provided on the chassis 11, and a limiting member 22 is provided below the support member 20, and the limiting member 22 is slidably provided in the mounting groove 111; the track plate 12 is provided on the side of the chassis 11, and a sliding groove 121 is provided on the track plate 12, and the limiting tooling 40 is slidably provided in the sliding groove 121.
[0033] In some embodiments, as Figure 1 As shown, the chassis 11 includes a lower plate portion 101 and an upper plate portion 102, the upper plate portion 102 is detachably mounted on the lower plate portion 101, and a mounting groove 111 is provided on the upper plate portion 102; the base 10 also includes a fixing plate 13, the fixing plate 13 is provided on the lower plate portion 101, and the fixing plate 13 is located on the side of the upper plate portion 102, and the track plate 12 is provided on the fixing plate 13.
[0034] In some embodiments, as Figure 2 As shown, the cross section of the mounting groove 111 is T-shaped, and the limiting member 22 is a T-shaped member.
[0035] In some embodiments, as Figure 2 As shown, a positioning groove 23 is provided on the support member 20 , and the positioning groove 23 is located at the tail end of the arc portion 21 .
[0036] It is understandable that the positioning groove 23 is mainly used for the human eye to compare the relative position of the needle tip and the downward adjustment of the tool.
[0037] In some embodiments, as Figure 1 As shown, the bending member 30 includes a first punch 31 and a second punch 32. The first punch 31 is used to press the tail end of the puncture needle core 200 to be bent, and the second punch 32 is used to bend the puncture needle core 200 to be bent.
[0038] In some embodiments, as Figure 1 As shown, the longitudinal section of the first punch 31 is trapezoidal, and the first punch 31 is suitable for pressing on the puncture needle core 200; the longitudinal section of the second punch 32 is triangular, and the second punch 32 is suitable for pushing the part to be bent of the puncture needle core 200 to be bent.
[0039] In some embodiments, as Figure 2-Figure 3 As shown, the limiting tooling 40 includes but is not limited to a clamping tooling, a snap-fit tooling and a wrapping tooling.
[0040] It is understandable that by selecting different limiting fixtures 40 , puncture needle cores 200 of different sizes and models can be processed.
[0041] Specifically, the present invention discloses a first product stopper 41, a second product stopper 42, and a third product stopper 43. The first product stopper 41 is used for GT400 products, the first product stopper 41 plus the second product stopper 42 can be used for GT20 products, and the first product stopper 41 without the second product stopper 42 and replaced with the third product stopper 43 can be used for MC products.
[0042] Furthermore, the present utility model also discloses a first product handle 201 .
[0043] In some embodiments, the bending tool 100 for the biopsy puncture needle core 200 also includes a stroke adjustment mechanism (not shown) and a cylinder (not shown). The stroke adjustment mechanism is connected to the bending part 30, and the stroke adjustment mechanism is used to limit the moving distance of the bending part 30, thereby controlling the bending angle; the cylinder is connected to the bending part 30, and the cylinder is used to drive the bending part 30 to move.
[0044] 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 to 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 device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.
[0045] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.
[0046] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.
[0047] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.
[0048] In the present invention, the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples without contradiction.
[0049] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations on the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.
Claims
1. A bending tool for a biopsy puncture needle core, characterized in that: include: base; A support member, the support member is arranged on the base, and the front end of the support member is an arc-shaped portion; A bending member, the bending member is movably disposed on the base and is located above the supporting member; A position limiting tool, the position limiting tool being slidably disposed on the base, the position limiting tool being able to move away from and approach the support member, and the position limiting tool being used to fix the core of the puncture needle; When the portion of the puncture needle core to be bent is located above the arc-shaped portion, the bending member moves to bend the portion of the puncture needle core to be bent.
2. The bending tool for the biopsy puncture needle core according to claim 1, characterized in that: The base includes a chassis and a track plate; The chassis is provided with a mounting groove, and a limiting member is provided below the support member, and the limiting member is slidably arranged in the mounting groove; The track plate is arranged on a side of the chassis, a sliding groove is provided on the track plate, and the limiting tool is slidably arranged in the sliding groove.
3. The bending tool for the biopsy puncture needle core according to claim 2, characterized in that: The chassis includes a lower plate portion and an upper plate portion, the upper plate portion is detachably mounted on the lower plate portion, and the upper plate portion is provided with the mounting slot; The base further includes a fixing plate, which is arranged on the lower plate portion and located at a side of the upper plate portion, and the track plate is arranged on the fixing plate.
4. The bending tool for the biopsy puncture needle core according to claim 3, characterized in that: The cross section of the mounting groove is T-shaped, and the limiting member is a T-shaped member.
5. The bending tool for the biopsy puncture needle core according to claim 1, characterized in that: The support member is provided with a positioning groove, and the positioning groove is located at the tail end of the arc portion.
6. The bending tool for the biopsy puncture needle core according to claim 1, characterized in that: The bending part includes a first punch and a second punch, the first punch is used to press the tail end of the part to be bent of the puncture needle core, and the second punch is used to bend the part to be bent of the puncture needle core.
7. The bending tool for the biopsy puncture needle core according to claim 6, characterized in that: The longitudinal section of the first punch is trapezoidal, and the first punch is suitable for pressing tightly onto the needle core of the puncture needle; The longitudinal section of the second punch is triangular, and the second punch is suitable for pushing the portion of the puncture needle core to be bent.
8. The bending tool for the biopsy puncture needle core according to claim 1, characterized in that: The limiting tooling includes but is not limited to clamping tooling, snap-on tooling and wrapping tooling.
9. The bending tool for the biopsy puncture needle core according to claim 1, characterized in that: Also includes: A stroke adjustment mechanism, the stroke adjustment mechanism is connected to the bending member, and the stroke adjustment mechanism is used to limit the moving distance of the bending member; A cylinder is connected to the bending part, and the cylinder is used to drive the bending part to move.