CN107693091B - Puncture needle fixing device for nephrology department - Google Patents
Puncture needle fixing device for nephrology department Download PDFInfo
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- CN107693091B CN107693091B CN201711257330.9A CN201711257330A CN107693091B CN 107693091 B CN107693091 B CN 107693091B CN 201711257330 A CN201711257330 A CN 201711257330A CN 107693091 B CN107693091 B CN 107693091B
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- positioning seat
- puncture needle
- puncture
- limiting sheet
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 9
- 239000004033 plastic Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 239000012790 adhesive layer Substances 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/34—Trocars; Puncturing needles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
- A61B2017/3405—Needle locating or guiding means using mechanical guide means
- A61B2017/3407—Needle locating or guiding means using mechanical guide means including a base for support on the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/34—Trocars; Puncturing needles
- A61B2017/348—Means for supporting the trocar against the body or retaining the trocar inside the body
- A61B2017/3492—Means for supporting the trocar against the body or retaining the trocar inside the body against the outside of the body
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a puncture needle fixing device for nephrology department, which comprises a positioning seat for positioning the puncture position of a patient and a limiting sheet for adjusting the puncture depth of a puncture needle, wherein the upper end surface of the positioning seat is provided with a cylindrical bulge, the center of the cylindrical bulge is provided with an inner concave part, the center of the bottom of the inner concave part is provided with a puncture needle hole penetrating through the lower end surface of the positioning seat, two sides of the upper end of the cylindrical bulge are provided with concave limiting grooves which are matched with the limiting sheet and limit the rotation angle of the limiting sheet, the limiting sheet comprises a first limiting sheet and a second limiting sheet which are detachably connected, the middle part of the first limiting sheet is provided with a first arc-shaped part with a semicircular structure, the fixing of the limiting sheet on the puncture needle is realized by mutually fixing the first limiting sheet and the second limiting sheet, when the puncture needle passes through the puncture needle hole of the positioning seat, the lower end surface of the limiting sheet is, the scheme is reliable to implement and can reduce the operation difficulty and the intensity of medical staff.
Description
Technical Field
The invention relates to the field of medical auxiliary tools, in particular to a puncture needle fixing device for nephrology department.
Background
At present, during an intra-renal puncture treatment operation, most surgeons can only perform puncture needle puncture on patients according to personal experience, and during the renal puncture operation, a puncture needle needs to be inserted at a certain inclined angle, so that subsequent detection equipment can conveniently perform scanning and monitoring; especially in the operation process, need strictly guarantee the fixed stability of puncture syringe needle, prevent to cause unexpected injury because of the syringe needle landing, though there are some supplementary stabilizers to assist the fixed of pjncture needle at present, most result of use is not good, not only can't effectively bring the convenience for the operation, but also can bring certain uncertainty for the operation on the contrary, makes the patient leave certain postoperative risk after the operation.
Disclosure of Invention
Aiming at the conditions of the prior art, the invention aims to provide a puncture needle fixing device for nephrology department, which is convenient to operate, reliable in fixing and capable of conveniently adjusting the penetration depth of a puncture needle.
In order to achieve the technical purpose, the technical scheme of the invention is as follows:
the puncture needle fixing device for the nephrology department comprises a positioning seat for positioning the puncture position of a patient and a limiting sheet for adjusting the puncture depth of a puncture needle, wherein the center of the upper end face of the positioning seat is provided with a cylindrical protruding part, the center of the cylindrical protruding part is provided with an inward concave part, the center of the bottom of the inward concave part is provided with a puncture needle hole penetrating through the lower end face of the positioning seat, two sides of the upper end of the cylindrical protruding part are provided with concave limiting grooves used for being matched with the limiting sheet and limiting the rotation angle of the limiting sheet, the limiting sheet comprises a first limiting sheet and a second limiting sheet which are detachably connected, the middle part of the first limiting sheet is provided with a first arc-shaped part of a semicircular structure, the middle part of the second limiting sheet is provided with a second arc-shaped part which is matched with the first arc-shaped part and is matched with the first arc-shaped part to form a circular ring-shaped structure, and fan-shaped connecting sheets, when the puncture needle is arranged between the fan-shaped connecting pieces of the first arc-shaped part and the second arc-shaped part and respectively attached to the inner side surfaces of the fan-shaped connecting pieces, the fixing of the limiting pieces on the puncture needle is realized by mutually fixing the first limiting pieces and the second limiting pieces, and when the puncture needle passes through the puncture hole of the positioning seat, the lower end surface of the limiting pieces is abutted to the bottom of the limiting groove, so that the puncture depth of the puncture needle is restrained.
Furthermore, at least two fixing strips which are used for being attached to the skin and fixing the positioning seat are rotationally fixed on the edge of the lower end face of the positioning seat, one end of each fixing strip is rotationally fixed on the positioning seat, the other end of each fixing strip extends outwards to form the positioning seat, and an adhesive layer is arranged on the end face, in contact with the skin, of each fixing strip.
Preferably, the lower end face of the positioning seat is provided with a concave structure corresponding to the rotation fixing position of the fixing strip, and two sides of the concave structure adjacent to the edge of the positioning seat are used for limiting the rotation angle of the fixing strip.
Preferably, the fixing strip is integrally formed by a flexible material.
Furthermore, the length direction both sides of first spacing piece all are equipped with the joint protrusion, the length direction both sides of the spacing piece of second correspond the joint protrusion on the first spacing piece and are equipped with the structure and suit rather than and joint complex connect the through-hole.
Further, when the first limiting piece and the second limiting piece are matched with the limiting groove, the two horizontal ends of the first limiting piece and the second limiting piece exceed the outer edge of the limiting groove.
Furthermore, the fan-shaped connecting sheet is integrally formed by silicon rubber.
Furthermore, the projection of the cylindrical boss on the positioning seat in the vertical direction is located within the projection range of the positioning seat.
Furthermore, the positioning seat, the first limiting sheet and the second limiting sheet are all integrally formed by plastic materials.
Further, the transverse section of the positioning seat is circular.
By adopting the technical scheme, the invention has the beneficial effects that: the medical staff can calculate the operation length of the puncture needle needing to be reserved according to the depth of the puncture needle needing to be punctured and combining the height of the positioning seat, then mutually fix the first limiting sheet and the second limiting sheet at the corresponding positions of the puncture needle, ensure that the inner side surfaces of the fan-shaped connecting sheets on the first limiting sheet and the second limiting sheet are tightly attached to the side surface of the puncture needle and fix the limiting sheets on the puncture needle, at the moment, the puncture operation is carried out only by opposite the horizontal two ends of the limiting sheets to the limiting grooves of the positioning seat and then gradually puncture the puncture needle into the skin of the patient from the puncture needle hole, finally, when the lower end of the limiting sheet is abutted against the bottom of the limiting groove, the penetrating depth of the puncture needle is consistent with the planned penetrating depth, at the moment, the limiting sheet cannot greatly shake or displace due to the constraint action of the limiting groove, medical personnel can conveniently carry out further operation, and the primary positioning of the positioning seat enables the medical personnel to be more conveniently assisted to operate during the puncturing operation, so that the puncturing operation difficulty of the medical personnel is greatly reduced, the treatment effect of a patient is reliably ensured, and the subsequent puncturing sequelae are avoided as much as possible. Make fan-shaped connection piece can cooperate with the pjncture needle of different dimensions, improve spacing piece's suitability, and the fixed strip of positioning seat lower extreme sets to the form that can rotate, make when using, can fix the fixed strip on suitable skin position according to patient's skin condition and the position that needs the puncture, with the fixed reliability and the location accuracy of further guaranteeing the positioning seat, make it really accomplish the purpose that alleviates medical personnel operating strength, and in order to improve and use health type and anticorrosion and cost, can be with first spacing piece, spacing piece of second and positioning seat set to plastics material integrated into one piece, the quality of plastics material is light on the one hand, health is good, on the other hand can be convenient for handle, avoid medical instrument to pollute as far as possible.
Drawings
The invention will be further elucidated with reference to the drawings and the detailed description:
FIG. 1 is a schematic top view of a positioning base of the device of the present invention;
FIG. 2 is a schematic view of the lower end face of the positioning base of the device of the present invention;
FIG. 3 is a schematic view of the sectional structure of the positioning base of the device of the present invention;
FIG. 4 is a schematic structural view of a spacing piece of the device of the present invention, wherein the first spacing piece and the second spacing piece are not connected in a matching manner;
FIG. 5 is a schematic side view of a second position-limiting plate of the device of the present invention;
FIG. 6 is a schematic diagram of a top view of the device of the present invention with the positioning seat and the limiting plate engaged;
FIG. 7 is a schematic view of a sectional structure of the device of the present invention when the positioning seat is engaged with the position-limiting plate;
FIG. 8 is a schematic sectional view showing the structure of the apparatus of the present invention.
Detailed Description
As shown in one of fig. 1 to 8, the device of the present invention comprises a positioning seat 1 for positioning a puncture position of a patient and a limiting piece for adjusting a penetration depth of a puncture needle 3, wherein a cylindrical protrusion 11 is arranged in the center of an upper end surface of the positioning seat 1, an inner concave portion 14 is arranged in the center of the cylindrical protrusion 11, a needle hole 12 penetrating through a lower end surface of the positioning seat 1 is arranged in the center of a bottom portion of the inner concave portion 14, limiting grooves 13 which are concave and are used for matching with the limiting piece and limiting a rotation angle of the limiting piece are arranged on two sides of an upper end of the cylindrical protrusion 11, the limiting piece comprises a first limiting piece 21 and a second limiting piece 22 which are detachably connected, a first arc portion 214 of a semicircular structure is arranged in the middle of the first limiting piece 21, a second arc portion 224 which is adapted to the structure of the first arc portion 214 and is matched with the first arc portion 214 to form a circular structure is arranged in the middle of, all attached fan- shaped connection piece 211, 221 that is fixed with on the medial surface of first arc portion 214 and second arc portion 224, when pjncture needle 3 arranged in between fan- shaped connection piece 211, 221 of first arc portion 214 and second arc portion 224 and pasted mutually with the medial surface of fan- shaped connection piece 211, 221 respectively, through fixing first spacing piece 21 and the spacing piece 22 of second each other, realize the fixed of spacing piece on pjncture needle 3, pjncture needle 3 pass the pinhole 12 of positioning seat 1 when, offset by the lower terminal surface of spacing piece and the bottom of spacing groove 13, realize the restraint of pjncture needle 3 depth of penetrating, further, fan- shaped connection piece 211, 221 be silicon rubber integrated into one piece.
In order to fix the positioning seat 1 conveniently, at least two fixing strips 15 which are used for being attached to the skin and fixing the positioning seat are fixed on the edge of the lower end face of the positioning seat 1 in a rotating mode, one end of each fixing strip 15 is fixed on the positioning seat 1 in a rotating mode, the other end of each fixing strip 15 extends out of the positioning seat 1, an adhesive layer is arranged on the end face, in contact with the skin, of each fixing strip 15, preferably, a concave structure 16 is arranged on the lower end face of the positioning seat 1 corresponding to the rotating and fixing position of the corresponding fixing strip 15, two sides, adjacent to the edge of the positioning seat 1, of each concave structure 16 are used for limiting the rotating angle of the corresponding fixing strip 15, and.
In addition, the length direction both sides of first spacing piece 21 all are equipped with the bump 212, the length direction both sides of second spacing piece 22 correspond bump 212 on the first spacing piece 21 and are equipped with the structure and suit and joint complex connect the through-hole 222 rather than, further, when first spacing piece 21 and second spacing piece 22 and spacing groove 13 cooperate, the horizontal both ends of first spacing piece 21 and second spacing piece 22 all surpass the outward flange of spacing groove 13.
In order to facilitate the installation of the positioning seat 1, further, the projection of the cylindrical boss 11 on the positioning seat 1 in the vertical direction is located within the projection range of the positioning seat 1, and further, the positioning seat 1, the first limiting piece 21 and the second limiting piece 22 are all integrally formed by plastic materials, and further, the transverse cross-sectional shape of the positioning seat 1 is circular.
The invention adopts the technical scheme that the positioning seat 1 is attached to the position of the skin to be punctured of the patient, medical personnel only need to make the position of the needle penetrating hole 12 of the positioning seat 1 opposite to the position of the skin to be punctured of the patient, then the medical personnel attach and fix the fixing strip 15 which is rotationally fixed on the lower end surface of the positioning seat 1 to the skin, and can preliminarily complete the determination of the operation part, in addition, the medical personnel can calculate the operation length of the puncture needle 3 to be reserved according to the depth of the puncture needle 3 to be punctured according to the height of the positioning seat 1, then the first limiting sheet 21 and the second limiting sheet 22 are mutually fixed at the corresponding positions of the puncture needle 3, so that the inner side surfaces of the fan-shaped connecting sheets 211 and 221 on the first limiting sheet 21 and the second limiting sheet 22 are closely attached to the side surface of the puncture needle 3, and the limiting sheets are fixed on the puncture needle 3, at the moment, only, then the puncture needle is gradually punctured into the skin of the patient from the puncture hole 3, and finally when the lower end of the limiting sheet is abutted against the bottom of the limiting groove 13, the puncturing depth of the puncture needle 3 is consistent with the planned puncturing depth, and at the moment, the limiting sheet can not greatly shake or displace due to the constraint action of the limiting groove 3, so that medical personnel can conveniently carry out further operation, and due to the primary positioning of the positioning seat, the operation of the medical personnel can be more conveniently assisted when the puncture operation is carried out, the puncture operation difficulty of the medical personnel is greatly reduced, the treatment effect of the patient is reliably ensured, the condition of subsequent puncture sequelae is avoided as much as possible, in addition, because the first limiting sheet 21 and the second limiting sheet 22 are in clamping fit, if the adjustment is needed during the subsequent operation, the disassembly of the puncture sequelae can be conveniently carried out, then the position is positioned again, and the fan-shaped connecting sheets 211 and 221 on the first limiting sheet 21 and the second limiting sheet 22 can be matched with the puncture needle, so that the fan-shaped connecting sheets 211 and 221 can be matched with the puncture needles with different sizes and specifications, the applicability of the limiting sheets is improved, the fixing strip at the lower end of the positioning seat is arranged in a rotatable mode, so that when the positioning seat is used, the fixing strip can be fixed on a proper skin position according to the skin condition of a patient and the position needing puncturing, the fixing reliability and the positioning accuracy of the positioning seat are further ensured, the aim of reducing the operation intensity of medical personnel can be really fulfilled, and in order to improve the sanitation type, the corrosion resistance and the cost of the use, the first limiting sheet 21, the second limiting sheet 22 and the positioning seat 1 can be arranged into a plastic material integrated molding, on one hand, the plastic material is light in weight, and the positioning seat 1 is, The sanitation is good, and on the other hand, the treatment can be convenient, and the pollution of medical appliances can be avoided as much as possible.
The foregoing is directed to embodiments of the present invention, and equivalents, modifications, substitutions and variations such as will occur to those skilled in the art, which fall within the scope and spirit of the appended claims.
Claims (7)
1. Puncture needle fixing device for nephrology dept, its characterized in that: the puncture device comprises a positioning seat for positioning the puncture position of a patient and a limiting sheet for adjusting the puncture depth of a puncture needle, wherein the center of the upper end surface of the positioning seat is provided with a cylindrical protruding part, the center of the cylindrical protruding part is provided with an inner concave part, the center of the bottom of the inner concave part is provided with a puncture hole penetrating through the lower end surface of the positioning seat, two sides of the upper end of the cylindrical protruding part are provided with concave limiting grooves which are matched with the limiting sheet and limit the rotation angle of the limiting sheet, the limiting sheet comprises a first limiting sheet and a second limiting sheet which are detachably connected, the middle part of the first limiting sheet is provided with a first arc-shaped part of a semicircular structure, the middle part of the second limiting sheet is provided with a second arc-shaped part which is matched with the first arc-shaped part and is matched with the first arc-shaped part to form a circular ring-shaped structure, and fan-shaped connecting sheets are attached, when the puncture needle is arranged between the fan-shaped connecting sheets of the first arc-shaped part and the second arc-shaped part and respectively attached to the inner side surfaces of the fan-shaped connecting sheets, the fixing of the limiting sheets on the puncture needle is realized by mutually fixing the first limiting sheets and the second limiting sheets, and when the puncture needle passes through the puncture hole of the positioning seat, the lower end surfaces of the limiting sheets abut against the bottom of the limiting groove, so that the restriction of the puncture depth of the puncture needle is realized;
the edge of the lower end face of the positioning seat is rotationally fixed with at least two fixing strips which are used for being attached to the skin and fixing the positioning seat, one end of each fixing strip is rotationally fixed on the positioning seat, the other end of each fixing strip extends outwards to form the positioning seat, and the end face, in contact with the skin, of each fixing strip is provided with an adhesive layer;
the lower end face of the positioning seat is provided with a concave structure corresponding to the rotating fixing position of the fixing strip, and two adjacent sides of the concave structure and the edge of the positioning seat are used for limiting the rotating angle of the fixing strip;
the length direction both sides of first spacing piece all are equipped with the joint arch, the length direction both sides of the spacing piece of second correspond the joint arch on the first spacing piece and are equipped with the structure rather than adapting to and joint complex connect the through-hole.
2. The puncture needle fixing device for nephrology department according to claim 1, characterized in that: the fixing strip is integrally formed by flexible materials.
3. The puncture needle fixing device for nephrology department according to claim 1, characterized in that: when the first limiting piece and the second limiting piece are matched with the limiting groove, the two horizontal ends of the first limiting piece and the second limiting piece exceed the outer edge of the limiting groove.
4. The puncture needle fixing device for nephrology department according to claim 1, characterized in that: the fan-shaped connecting sheet is integrally formed by silicon rubber.
5. The puncture needle fixing device for nephrology department according to claim 1, characterized in that: the projection of the cylindrical boss on the positioning seat in the vertical direction is located within the projection range of the positioning seat.
6. The puncture needle fixing device for nephrology department according to claim 1, characterized in that: the positioning seat, the first limiting piece and the second limiting piece are all integrally formed by plastic materials.
7. The puncture needle fixing device for nephrology department according to claim 1, characterized in that: the transverse section of the positioning seat is circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711257330.9A CN107693091B (en) | 2017-12-04 | 2017-12-04 | Puncture needle fixing device for nephrology department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711257330.9A CN107693091B (en) | 2017-12-04 | 2017-12-04 | Puncture needle fixing device for nephrology department |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107693091A CN107693091A (en) | 2018-02-16 |
| CN107693091B true CN107693091B (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711257330.9A Active CN107693091B (en) | 2017-12-04 | 2017-12-04 | Puncture needle fixing device for nephrology department |
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| Country | Link |
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| CN (1) | CN107693091B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109260531B (en) * | 2018-09-17 | 2022-02-15 | 河南科技大学第一附属医院 | Wound drainage fixing device for breast surgery |
| CN109700483B (en) * | 2018-12-13 | 2021-08-17 | 和光宇 | Biopsy sampling device that tumour administrative or technical offices used |
| CN111419359A (en) * | 2020-04-30 | 2020-07-17 | 河南科技大学第一附属医院 | Auxiliary device for keeping puncture needle vertical for percutaneous gastrostomy |
| CN112120765A (en) * | 2020-09-25 | 2020-12-25 | 新乡医学院第一附属医院 | An arteriography puncture device for cardiovascular department |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204147096U (en) * | 2014-07-16 | 2015-02-11 | 张国胜 | A kind of Urology Department piercing needle fixing head |
| US10639065B2 (en) * | 2015-07-21 | 2020-05-05 | Canon U.S.A., Inc. | Medical assist device |
| CN106267527A (en) * | 2016-08-11 | 2017-01-04 | 四川众药业有限公司 | A kind of blood catheter fixing device |
| CN106562816B (en) * | 2016-11-10 | 2018-06-29 | 李利 | Universal ultrasonic guidance stent and the method for being assembled into ultrasonic probe |
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| CN107693091A (en) | 2018-02-16 |
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