CN220001737U - Punching guide needle and medical detection equipment - Google Patents
Punching guide needle and medical detection equipment Download PDFInfo
- Publication number
- CN220001737U CN220001737U CN202321665959.8U CN202321665959U CN220001737U CN 220001737 U CN220001737 U CN 220001737U CN 202321665959 U CN202321665959 U CN 202321665959U CN 220001737 U CN220001737 U CN 220001737U
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- guide needle
- punch guide
- bending part
- needle
- sharp corner
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- 238000004080 punching Methods 0.000 title claims abstract description 30
- 238000001514 detection method Methods 0.000 title claims abstract description 11
- 239000000523 sample Substances 0.000 claims abstract description 22
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 15
- 239000010935 stainless steel Substances 0.000 claims abstract description 15
- 239000011248 coating agent Substances 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 9
- 238000005452 bending Methods 0.000 claims description 39
- 239000000463 material Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000037368 penetrate the skin Effects 0.000 description 1
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model discloses a punching guide needle and medical detection equipment, and relates to the technical field of medical appliances; the accommodating structure is used for accommodating the biological probe; the needle tip is made of stainless steel with the hardness of more than 420HV, and the surface of the needle tip is coated with a biocompatible coating. Compared with the traditional guide needle, the stamping guide needle has higher structural strength and stronger puncture capability, and the needle tip part can meet the puncture requirement without sharpening operation; because the biocompatibility of the high-hardness stainless steel material is lower, the surface of the needle tip is coated with a biocompatible coating so as to meet the requirement of biocompatibility while realizing human body puncture; according to the scheme, the sharpening operation of the stamping guide needle can be omitted, the processing procedure of the stamping guide needle is simplified, the production cost of the stamping guide needle is reduced, the yield of the stamping guide needle is improved, and the service life of the stamping guide needle is prolonged.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a stamping guide needle and medical detection equipment.
Background
The biological probe is a medical device which can enter the human body to detect the human health data such as blood sugar and the like. Biological probes are often used in conjunction with a guide needle that pierces the skin of a person to deliver the biological probe secured to the guide needle into the person for detection.
In order to ensure that the guide needle can successfully puncture the skin of a human body, the guide needle needs to be subjected to sharpening operation in the processing process so as to increase the pressure through the blade part with smaller area, and the guide needle can more conveniently complete the puncturing action. In general, the guide needle after sharpening requires a series of processes such as grinding the blade portion, which results in high sharpening cost and low guide needle yield due to complicated steps involved in the sharpening operation.
Disclosure of Invention
The utility model aims to provide a stamping guide needle, which aims to solve the technical problems of higher sharpening cost and lower yield of the existing guide needle.
The utility model adopts the following technical scheme to achieve the aim of the utility model:
a punch guide needle having a receiving structure and a needle tip; the accommodating structure is used for accommodating the biological probe; the needle tip is made of stainless steel with the hardness of more than 420HV, and the surface of the needle tip is coated with a biocompatible coating.
Further, the punch guide needle includes a blanking sheet having a pointed portion constituting the needle tip.
Further, the blanking body includes a body portion; the body portion has a first side portion, a second side portion, and a third side portion; the first side portion is opposite to the second side portion, and the third side portion is located between the first side portion and the second side portion; the sharp corner is arranged on the third side part; the first side part is bent to form a first bending part, the second side part is bent to form a second bending part, and the first bending part, the second bending part and the main body part are enclosed to form the accommodating structure.
Further, the angle of the sharp corner is 25 degrees or more.
Further, the thickness of the blanking sheet body is 0.05-0.08 mm.
Further, a side of the first bending portion facing the sharp corner portion is provided with a first chamfer portion, and the cross-sectional area of the first chamfer portion gradually increases in a direction away from the sharp corner portion.
Further, a second chamfer portion is formed on one side, facing the sharp corner portion, of the second bending portion, and the cross-sectional area of the second chamfer portion is gradually increased in a direction away from the sharp corner portion.
Further, the length of the sharp corner in the direction parallel to the first side portion and the second side portion is 7.5-9.5 mm.
Further, the width of the stamping guide needle is 0.4-0.55 mm; the width of the punching guide needle refers to the shortest linear distance between one side of the first bending part, which is away from the second bending part, and one side of the second bending part, which is away from the first bending part.
Further, the height of the stamping guide needle is 0.4-0.55 mm; the height of the punching guide needle refers to the shortest linear distance between the side of the first bending part facing away from the main body part and the side of the main body part facing away from the first bending part, or the height of the punching guide needle refers to the shortest linear distance between the side of the second bending part facing away from the main body part and the side of the main body part facing away from the second bending part.
Correspondingly, the utility model also provides medical detection equipment, which comprises a biological probe and the stamping guide needle; the biological probe is accommodated in the accommodating structure.
Compared with the prior art, the utility model has the beneficial effects that:
compared with the traditional guide needle, the punching guide needle provided by the utility model has higher structural strength and stronger puncture capacity, and the needle tip part of the punching guide needle can meet the puncture requirement without sharpening operation; the high-hardness stainless steel material has lower biocompatibility, so that the scheme also coats the surface of the needle tip with a biocompatible coating so as to meet the requirement of biocompatibility while realizing human body puncture. According to the technical scheme, the sharpening operation of the stamping guide needle can be omitted, and the processing procedure of the stamping guide needle is simplified, so that the production cost of the stamping guide needle is reduced, and the yield of the stamping guide needle is improved; in addition, the structural strength of the stamping guide needle is further increased by adopting the high-hardness stainless steel material, so that the service life of the stamping guide needle is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view showing a first perspective structure of an embodiment of a punching guide pin according to the present utility model;
FIG. 2 is a second perspective view of an embodiment of a punch guide pin of the present utility model;
FIG. 3 is a side view of one embodiment of a punch guide pin of the present utility model;
fig. 4 is a top view of one embodiment of a punch guide pin of the present utility model.
Reference numerals illustrate:
the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, if a directional indication (such as up, down, left, right, front, and rear … …) is involved in the embodiment of the present utility model, the directional indication is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional indication is correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if "and/or" and/or "are used throughout, the meaning includes three parallel schemes, for example," a and/or B "including a scheme, or B scheme, or a scheme where a and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
After research and analysis on the existing guide needle, the technical staff of the utility model finds that the existing guide needle is usually made of SUS316L stainless steel with higher biocompatibility in order to avoid damage to human body caused by rejection reaction with human body after entering the human body; the SUS316L stainless steel has low structural strength, and needs to be strengthened by sharpening operation to ensure that the guide needle can smoothly penetrate the skin and enter the human body by means of the blade.
Based on the above findings, the embodiment of the present utility model correspondingly provides a punching guide needle 100, please refer to fig. 1, the punching guide needle 100 having a housing structure 1 and a needle tip 2; the accommodating structure 1 is used for accommodating a biological probe; the tip portion 2 is made of a stainless steel material having a hardness of 420HV or more, and the surface of the tip portion 2 is covered with a biocompatible coating.
Specifically, the punching guide needle 100 of the present embodiment may be formed by punching, bending, or the like; the needle tip 2 is a pointed portion on the punch guide needle 100 for piercing human skin; the accommodating structure 1 may be a cavity structure, a slot structure or other clamping structures that can be used for limiting, which are formed by bending, stamping and other processing modes of the stamping guide needle 100, and is not limited herein; the accommodating structure 1 can be arranged close to the needle tip 2, and the biological probe can be fixed in the accommodating structure 1 in a limiting manner; thus, after the tip 2 pierces the skin of the human body, the bio-probe in the accommodating structure 1 can enter the human body along with the punch guide needle 100 to detect the blood sugar and other human health data.
In this embodiment, the stainless steel material with the hardness of 420HV or more may be SUS301EH stainless steel, which has higher structural strength and stronger puncture capability than SUS316L stainless steel, so that the tip 2 of the punching guide needle 100 can meet the puncture requirement without sharpening; the high-hardness stainless steel materials such as SUS301EH stainless steel and the like have low biocompatibility, so that a biocompatible coating is required to be coated on the surface of the needle tip part 2 so as to meet the requirement of biocompatibility while realizing human body puncture; wherein the biocompatible coating may be a hydrophilic coating.
Based on the above technical scheme, the sharpening operation of the punching guide needle 100 can be omitted, and the processing procedure of the punching guide needle 100 is simplified, so that the production cost of the punching guide needle 100 is reduced, and the yield of the punching guide needle 100 is improved; in addition, the use of the high hardness stainless steel material also increases the structural strength of the punch guide needle 100, thereby extending the service life of the punch guide needle 100.
Alternatively, referring to fig. 1 and 2, the punch guide needle 100 includes a blanking body 101, the blanking body 101 having a sharp corner 1011, the sharp corner 1011 constituting the needle tip 2.
The punching guide needle 100 in the present embodiment is formed by punching a punched sheet 101; the sharp corner 1011 can be formed by blanking together with the blanking sheet 101 without additional machining; thus, the structure and the processing steps of the punching guide needle 100 can be further simplified, and the production efficiency can be improved.
Alternatively, referring to fig. 1 and 2, the blanking body 101 includes a body portion 1012; the body portion 1012 has a first side, a second side, and a third side; the first side is opposite to the second side, and the third side is positioned between the first side and the second side; the sharp corner 1011 is disposed on the third side; the first side portion is bent to form a first bent portion 1013, the second side portion is bent to form a second bent portion 1014, and the first bent portion 1013, the second bent portion 1014, and the main body portion 1012 are enclosed to form the housing structure 1.
Taking the punched sheet 101 after punching as a main body 1012, a third side of the main body 1012 is provided with a sharp corner 1011 after punching, and a first side and a second side of the main body 1012 can be respectively reserved with a sheet part extending outwards; the sheet body portion of the first side portion and the sheet body portion of the second side portion are bent toward each other, whereby the finished structure of the punch guide needle 100 shown in fig. 2 can be formed; at this time, a U-shaped groove structure is formed by enclosing the first bending part 1013, the second bending part 1014 and the main body 1012, the bio-probe can be accommodated in the groove body of the U-shaped groove structure, and the bio-probe can move along the extending direction of the U-shaped groove structure until the bio-probe is adjusted to have a proper distance with the needle tip 2; thus, the connection between the bio-probe and the punch guide needle 100 is realized in a simple and easy-to-process structure, and the bending structure formed by the first bending part 1013 and the second bending part 1014 can also increase the overall structural strength of the punch guide needle 100.
Alternatively, referring to fig. 1 to 4, the angle α of the sharp corner 1011 is 25 ° or more; wherein 25 ° is the minimum blanking angle allowed by the blanking operation; by setting the angle α of the sharp corner 1011 to 25 ° or more, smooth blanking operation can be ensured, and insufficient structural strength of the press guiding needle 100 due to an excessively small angle of the sharp corner 1011 can be avoided.
Optionally, referring to fig. 1 to 4, the thickness T of the punched sheet 101 is 0.05 to 0.08mm; such an arrangement can reduce the mass of the punch guide needle 100 while ensuring the structural strength of the punch guide needle 100, so that the punch guide needle 100 is more lightweight and is easy to move in the human body.
Alternatively, referring to fig. 1 and 2, the first folded portion 1013 has a first chamfered portion 10131 on a side toward the sharp corner 1011, and a cross-sectional area of the first chamfered portion 10131 gradually increases in a direction away from the sharp corner 1011.
Alternatively, referring to fig. 1 and 2, the second bent portion 1014 has a second chamfered portion 10141 on a side facing the sharp corner 1011, and the cross-sectional area of the second chamfered portion 10141 gradually increases in a direction away from the sharp corner 1011.
Specifically, after the sharp corner 1011 pierces the skin of the human body, the first and second chamfer 10131 and 10141 can be used to reduce the resistance of the skin of the human body to the first and second folds 1013 and 1014, so that the first and second folds 1013 and 1014 and the main body 1012 can more smoothly enter the human body along with the sharp corner 1011, thereby delivering the bio-probe into the human body.
Alternatively, referring to fig. 1-4, the length H of the sharp corner 1011 in a direction parallel to the first and second sides 1 7.5 to 9.5mm.
Specifically, the depth of penetration of the punch guide needle 100 into the human body is usually controlled to 7 to 8mm; by setting the length H of the sharp corner 1011 1 The setting of 7.5-9.5 mm can be more convenient for an operator to accurately control the penetration depth of the punching guide needle 100.
Alternatively, referring to fig. 1 to 4, the width H of the punch guide needle 100 2 0.4-0.55 mm; wherein the width H of the punching guide needle 100 2 Refers to the shortest linear distance between the side of the first bend 1013 facing away from the second bend 1014 and the side of the second bend 1014 facing away from the first bend 1013.
Alternatively, referring to fig. 1 to 4, the height H of the guide pin 100 is stamped 3 0.4-0.55 mm; wherein the height H of the punching guide needle 100 3 Refers toThe shortest linear distance between the side of the first bend 1013 facing away from the main body 1012 and the side of the main body 1012 facing away from the first bend 1013, or the height H of the punch guide pin 100 3 Refers to the shortest linear distance between the side of the second bent portion 1014 facing away from the main body portion 1012 and the side of the main body portion 1012 facing away from the second bent portion 1014; specifically, the height H of the punch guide pin 100 3 The larger value of the shortest linear distance between the side of the first bending part 1013 facing away from the main body part 1012 and the side of the main body part 1012 facing away from the first bending part 1013, and the shortest linear distance between the side of the second bending part 1014 facing away from the main body part 1012 and the side of the main body part 1012 facing away from the second bending part 1014 may be taken.
Based on the above-described width dimension and height dimension settings of the punch guide needle 100, the size of the punch guide needle 100 can be minimized under the condition that the biological probe is normally loaded into the accommodating structure 1, thereby making the punch guide needle 100 more lightweight and easy to move in the human body.
Correspondingly, referring to fig. 1, the embodiment of the present utility model also provides a medical detection apparatus, which includes a bio-probe and the punch guide needle 100 in any of the above embodiments; the biological probe is accommodated in the accommodating structure 1, and after the needle tip 2 of the punch guide needle 100 pierces the skin of the human body, the biological probe in the accommodating structure 1 can enter the human body together with the punch guide needle 100 so as to detect the human health data such as blood sugar. The medical detection device adopts all the technical schemes of all the embodiments, so that the medical detection device has at least all the beneficial effects brought by the technical schemes of the embodiments, and the description is omitted herein.
It should be noted that, other contents of the punching guide needle and the medical detection device disclosed in the present utility model may be referred to the prior art, and will not be described herein.
The foregoing is only an optional embodiment of the present utility model, and is not limited to the scope of the patent application, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the patent application.
Claims (10)
1. A punch guide needle, characterized in that the punch guide needle has a receiving structure and a needle tip; the accommodating structure is used for accommodating the biological probe; the needle tip is made of stainless steel with the hardness of more than 420HV, and the surface of the needle tip is coated with a biocompatible coating.
2. The punch guide needle according to claim 1, wherein the punch guide needle comprises a blanking body having a pointed portion constituting the needle tip.
3. The punch guide pin of claim 2, wherein the blanking body includes a body portion; the body portion has a first side portion, a second side portion, and a third side portion; the first side portion is opposite to the second side portion, and the third side portion is located between the first side portion and the second side portion; the sharp corner is arranged on the third side part; the first side part is bent to form a first bending part, the second side part is bent to form a second bending part, and the first bending part, the second bending part and the main body part are enclosed to form the accommodating structure.
4. The punch guide needle according to claim 2, wherein the angle of the sharp corner is 25 ° or more.
5. The punch guide needle according to claim 2, wherein the thickness of the punched sheet is 0.05 to 0.08mm.
6. A punch guide needle according to claim 3, wherein a side of the first bending portion facing the sharp corner has a first chamfer portion whose cross-sectional area gradually increases in a direction away from the sharp corner;
and/or the side of the second bending part facing the sharp corner part is provided with a second chamfer part, and the cross section area of the second chamfer part is gradually increased along the direction away from the sharp corner part.
7. A punch guide needle according to claim 3, wherein the pointed portion has a length of 7.5 to 9.5mm in a direction parallel to the first side portion and the second side portion.
8. The punch guide needle according to claim 3, wherein the width of the punch guide needle is 0.4 to 0.55mm; the width of the punching guide needle refers to the shortest linear distance between one side of the first bending part, which is away from the second bending part, and one side of the second bending part, which is away from the first bending part.
9. The punch guide needle according to claim 3, wherein the height of the punch guide needle is 0.4 to 0.55mm; the height of the punching guide needle refers to the shortest linear distance between the side of the first bending part facing away from the main body part and the side of the main body part facing away from the first bending part, or the height of the punching guide needle refers to the shortest linear distance between the side of the second bending part facing away from the main body part and the side of the main body part facing away from the second bending part.
10. A medical detection device, characterized in that it comprises a bio-probe and a punch guide needle according to any one of claims 1 to 9; the biological probe is accommodated in the accommodating structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321665959.8U CN220001737U (en) | 2023-06-28 | 2023-06-28 | Punching guide needle and medical detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321665959.8U CN220001737U (en) | 2023-06-28 | 2023-06-28 | Punching guide needle and medical detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220001737U true CN220001737U (en) | 2023-11-14 |
Family
ID=88685246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321665959.8U Active CN220001737U (en) | 2023-06-28 | 2023-06-28 | Punching guide needle and medical detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220001737U (en) |
-
2023
- 2023-06-28 CN CN202321665959.8U patent/CN220001737U/en active Active
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