CN117224205A - Ommaya puncture needle and puncture method - Google Patents
Ommaya puncture needle and puncture method Download PDFInfo
- Publication number
- CN117224205A CN117224205A CN202311019327.9A CN202311019327A CN117224205A CN 117224205 A CN117224205 A CN 117224205A CN 202311019327 A CN202311019327 A CN 202311019327A CN 117224205 A CN117224205 A CN 117224205A
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- Prior art keywords
- ommaya
- puncture
- scalp
- hose
- cylinder
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- 238000000034 method Methods 0.000 title abstract description 16
- 210000004761 scalp Anatomy 0.000 claims abstract description 31
- 239000002775 capsule Substances 0.000 claims abstract description 22
- 238000005452 bending Methods 0.000 claims abstract description 16
- 239000011229 interlayer Substances 0.000 claims abstract description 7
- 239000010410 layer Substances 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 5
- 210000001175 cerebrospinal fluid Anatomy 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 238000001990 intravenous administration Methods 0.000 description 5
- 210000004556 brain Anatomy 0.000 description 4
- 208000015181 infectious disease Diseases 0.000 description 3
- 238000007917 intracranial administration Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 229920000114 Corrugated plastic Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007920 subcutaneous administration Methods 0.000 description 2
- 230000002861 ventricular Effects 0.000 description 2
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 208000034158 bleeding Diseases 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000002490 cerebral effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 208000003906 hydrocephalus Diseases 0.000 description 1
- 210000003140 lateral ventricle Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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- External Artificial Organs (AREA)
Abstract
The invention discloses an ommaya puncture needle and a puncture method, comprising the following steps: when the multifunctional scalp puncture device is used, the lower end of the inner needle core punctures the scalp and the ommaya capsule and drives the lower end of the fixed cylinder to enter under the scalp, then the inner needle core is pulled out of the outer hose assembly to enable the lower end of the fixed cylinder to continuously enter the ommaya capsule, after the telescopic hose is bent before drainage, the telescopic hose or/and the interface cylinder is/are fixed, the side wall of the telescopic hose on the outer side of the scalp is abutted against the scalp, drainage is carried out, and as the telescopic hose has the length telescopic capability and the interlayer cavity is formed in the wall of the telescopic hose, the problem that the inner diameter of the bent part is reduced like that of a rigid hollow needle body in the prior art in the bending process of the telescopic hose is avoided, the defects of the prior art are overcome, and the beneficial effects of improving the safety and stability of ommaya puncture operation are achieved.
Description
Technical Field
The invention relates to the technical field of clinical puncture, in particular to an ommaya puncture needle and a puncture method.
Background
An outdoor drainage technology is often used in brain surgery and is mainly applied to a scene involving the risk of hydrocephalus or intracranial infection at a ventricle part, in the technology, an outdoor drainage tube needs to be reserved, but the traditional outdoor drainage tube is short in reserved time and high in intracranial infection risk, and higher bleeding risk exists during extraction.
In view of the above problems, the prior art proposes an ommaya capsule, which is a minimally invasive ventricular drainage tool, one end of the ommaya capsule is left in a brain operation area or a lateral ventricle and is contacted with effusion, the other end of the ommaya capsule is a subcutaneous liquid storage capsule positioned outside the brain, the ommaya capsule can be used for outward drainage without puncturing the brain when drainage is needed, and the ommaya capsule can be used for outward drainage by puncturing the subcutaneous ommaya capsule by using a scalp needle, so that the ommaya ventricular drainage tool has better safety and flexibility compared with the traditional outdoor cerebral drainage tube.
However, in clinic, the puncture needle for puncturing the ommaya capsule is not specially designed for puncturing ommaya, but a traditional intravenous needle is used, because the scalp of different patients has radian change and the limitation of the puncture needle fixing method, the traditional intravenous needle has to be bent at an angle of approximately 90 degrees, the section close to the horizontal is a fixed end used for fixing outside the scalp, and the section close to the vertical is a puncture section used for puncturing, so that the requirement can be met, thereby puncturing the ommaya capsule, the method is a temporary means, the bending of the intravenous needle is temporarily performed, the inaccurate bending position is caused, the overlong or too short puncture section is caused, and the risk that the puncture needle floats upwards and the puncture needle punctures the bottom of the ommaya capsule is brought. Meanwhile, more serious, the bent intravenous needle is suddenly changed in the diameter of the needle at the bent part due to the rigid deformation of the metal material of the intravenous needle, so that the ommaya capsule of a patient cannot drain.
The problems can be solved by repeatedly puncturing the ommaya capsule of the patient, so that the patient is not only painful, but also the intracranial and extracranial infection opportunities of the patient are increased, the service life of the ommaya capsule is prolonged, and the cost is reduced.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an ommaya puncture needle and a puncture method which can be specially used for puncturing an ommaya bag so as to avoid the problem of the tube diameter in the needle at a bending part caused by temporarily bending a vein needle.
In one aspect, the present invention provides an ommaya needle comprising:
the inner needle core is provided with a central axis, and is provided with a first end part and a second end part on the central axis, wherein the first end part is used for puncturing the scalp and ommaya capsule of a human body;
the outside of interior nook closing member is located to outer hose assembly cover, and outer hose assembly includes:
the fixed cylinder is movably sleeved outside the inner needle core, and one end of the fixed cylinder, which faces the first end part, can be reserved in the ommaya bag;
the telescopic hose is connected to one end, close to the second end, of the fixed cylinder, the inner needle core is positioned in the telescopic hose, and an interlayer cavity is formed in the pipe wall of the telescopic hose;
the interface cylinder is connected to one end, close to the second end, of the telescopic hose and is communicated with external drainage equipment.
Further, the outer hose assembly further comprises an elastic member disposed within the sandwich cavity, the elastic member configured to provide an elastic tension to the flexible hose to be contracted.
Further, the scalp care instrument comprises a fixing piece, wherein the middle part of the fixing piece is provided with a connecting through hole, the interface cylinder body penetrates through the connecting through hole, so that the interface cylinder body is fixedly sleeved in the connecting through hole, and the fixing piece is configured to be fixed on the surface of the scalp of a human body.
Further, a slit groove is formed in the left side and the right side of the outer side wall of the fixed cylinder body, the slit groove is communicated with the inside and the outside of the fixed cylinder body, and the lower portion of the slit groove is opened.
Further, the fixing piece is a cylinder and is perpendicular to the interface cylinder.
Further, the outer surface of the fixing piece is provided with a glue layer, and the upper surface of the glue layer covers the easily-torn patch.
Further, two first through holes and two second through holes are formed in the fixing piece, the two first through holes are located on the left side of the connecting through hole, and the two second through holes are located on the right side of the connecting through hole.
Further, the slot has a horizontal width of 2mm.
Further, the flexible hose is a flexible corrugated plastic pipe, the natural length of the flexible hose is 5mm, the shortest length of the flexible hose after being compressed is 2mm, and the length of the fixed cylinder is 11mm.
In another aspect, the present invention also provides a puncturing method, which is applicable to the ommaya puncture needle of any one of the above steps, and the puncturing method comprises:
when in puncture, after the bending angle of the connecting tube is adjusted by the telescopic hose, the angle of the inner needle core is changed to puncture, and the interface cylinder body is attached to the scalp by the fixing piece so as to be connected with a connecting tube externally connected with the cerebrospinal fluid drainage belt.
Compared with the prior art, the invention has the beneficial effects that: when the device is used, the lower end of the inner needle core is used for puncturing the scalp and the ommaya bag and driving the lower end of the fixed cylinder to enter under the scalp, then the inner needle core is penetrated out of the outer hose assembly to draw the inner needle core out, the lower end of the fixed cylinder is enabled to continuously enter the ommaya bag, the ommaya bag at the moment is communicated with external drainage equipment through the outer hose assembly, after the flexible hose is bent before drainage, the flexible hose or/and the interface cylinder is/are fixed, the side wall of the flexible hose at the outer side of the scalp is enabled to be propped against the scalp, drainage is carried out, and as the flexible hose has the length expansion capacity, and an interlayer cavity is formed in the wall of the flexible hose, the problem that the inner diameter of the bent part is reduced like a rigid hollow needle body in the prior art is avoided in the bending process of the flexible hose, the defect of the prior art is overcome, and the beneficial effects of improving the safety and stability of ommaya puncture operation are achieved.
Drawings
FIG. 1 is a front cross-sectional view of an overall structure of one embodiment of the present invention;
FIG. 2 is a schematic perspective view of the overall structure of an embodiment of the present invention;
FIG. 3 is a front cross-sectional view of a detail of one embodiment of the present invention;
FIG. 4 is a schematic diagram of the use of an embodiment of the present invention.
Reference numerals illustrate:
1. fixing the cylinder; 201. an elastic member; 202. a flexible hose; 3. a slit groove; 4. a joint cylinder; 5. a fixing member; 6. an inner needle core.
Detailed Description
The following detailed description of specific embodiments of the invention is, but it should be understood that the invention is not limited to specific embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides an ommaya puncture needle and a puncture method.
In one aspect, the present invention provides an ommaya needle comprising: the inner needle core 6, the outer hose component, the fixed cylinder 1, the telescopic hose 202, the interface cylinder 4 and the like, wherein the inner needle core 6 is provided with a central axis, the inner needle core 6 is provided with a first end part and a second end part on the central axis, and the first end part is used for puncturing the scalp and ommaya capsules of a human body; the outside of interior needle 6 is located to outer hose assembly cover, and outer hose assembly includes: the fixed cylinder body 1 is movably sleeved outside the inner needle core 6, and one end of the fixed cylinder body facing the first end part can be reserved in the ommaya bag; the telescopic hose 202 is connected to one end of the fixed cylinder 1 close to the second end, the inner needle core 6 is positioned in the telescopic hose 202, and an interlayer cavity is formed in the pipe wall of the telescopic hose 202; the interface cylinder 4 is connected to one end of the flexible hose 202 near the second end, and the interface cylinder 4 is communicated with external drainage equipment
Specifically, referring to fig. 1-4, the central axis direction of the inner needle core 6 is vertical, the first end is the lower end, and the second end is the upper end, when in use, the lower end of the inner needle core 6 pierces the scalp and ommaya capsule, and drives the lower end of the fixing cylinder 1 to enter under the scalp, and then the inner needle core 6 is pulled out of the outer hose assembly, so that the inner needle core 6 is pulled out, at this time, the lower end of the fixing cylinder 1 continues to enter and is reserved in the ommaya capsule, the ommaya capsule is communicated with external drainage equipment through the outer hose assembly, before drainage, in order to adapt to the requirement of fixing after piercing of the ommaya capsule, the flexible hose 202 needs to be bent, and then the flexible hose 202 and/or the interface cylinder 4 are/is fixed, so that the side wall of the flexible hose 202 outside the scalp keeps against the outside, and drainage is performed.
In the bending process, the metal material at the outer arc of the bending angle is stretched when the length of the metal needle body is fixed, but the metal material at the inner arc of the bending angle cannot be compressed, so that the inner diameter of the needle body at the bending angle is reduced. Analysis shows that the problem of the reduction of the inner diameter can be reduced or avoided only if the side wall of the pipe body at the bending angle, whether the side wall at the outer arc or the side wall at the inner arc, has the space and the capability of extending and compressing, and the inner arc is synchronously compressed when the outer arc extends.
Because the flexible tube 202 has the length expansion capability and the wall of the flexible tube is provided with the interlayer cavity, the conditions in the analysis are satisfied in the bending process of the flexible tube 202, so that the problem of shrinking the inner diameter of the bending part like the rigid hollow needle in the prior art is avoided, the defect of the prior art is overcome, and the beneficial effects of improving the safety and stability of the ommaya puncture operation are realized.
Further, the outer hose assembly further comprises an elastic member 201, wherein the elastic member 201 is arranged in the interlayer cavity, and the elastic member 201 is configured to provide elastic tension to the flexible hose 202 to be contracted. The flexible tube 202 can be compressed by contraction of the elastic member 201, and when the flexible tube 202 is bent and the interface cylinder 4 is fixed to the outer surface of the scalp, the interface cylinder 4, the flexible tube 202 and the scalp are completely attached.
Further, the scalp care instrument further comprises a fixing piece 5, a connecting through hole is formed in the middle of the fixing piece 5, the interface cylinder 4 penetrates through the connecting through hole, so that the interface cylinder 4 is fixedly sleeved in the connecting through hole, and the fixing piece is configured to be fixed on the surface of the scalp of a human body. The additional fixing piece 5 specially used for fixing the scalp is arranged, so that various fixing means such as adhesive tape stitching and the like can be avoided from being used in the interface cylinder 4 and the telescopic hose 202, and the use of the interface cylinder 4 and the telescopic hose 202 is prevented from being influenced.
Further, the fixing piece 5 is a column, and the fixing piece 5 is perpendicular to the interface cylinder 4. The fixation member 5 of the column always allows good contact of the outer side of the fixation member 5 with the scalp.
Further, the outer surface of the fixing piece 5 is provided with a glue layer, and the upper surface of the glue layer is covered with the easily-torn patch.
Further, two first through holes and two second through holes are formed in the fixing piece 5, the two first through holes are located on the left side of the connecting through hole, and the two second through holes are located on the right side of the connecting through hole. Thus, the fixing member 5 can be fixed to the scalp by means of suturing, and the stability of the indwelling can be further ensured.
Further, a slit groove 3 is formed in the left side and the right side of the outer side wall of the fixed cylinder 1, the slit groove 3 is communicated with the inside and the outside of the fixed cylinder 1, and the lower portion of the slit groove 3 is opened. The slot can realize the technical effect of increasing the drainage area, so that ommaya drainage is smoother.
Further, the horizontal width of the slit groove 3 is 2mm, and the arrangement can ensure that the bottom of the fixed cylinder 1 has enough bottom area, and the function of increasing drainage area is realized while the bottom is prevented from being pierced.
Further, the flexible tube 202 is a flexible corrugated plastic tube, the natural length of the flexible tube 202 is 5mm, the shortest length of the flexible tube 202 after being compressed is 2mm, and the length of the fixed cylinder 1 is 11mm.
Further, the inner side wall of the interface cylinder 4 is provided with an inner thread, and the interface cylinder 4 is connected with a connecting pipe externally connected with a cerebrospinal fluid drainage belt in a threaded connection mode through the inner thread, so that the connection is more convenient.
In another aspect, the present invention also provides a puncturing method, which is applicable to the ommaya puncture needle of any one of the above steps, and the puncturing method comprises: during puncturing, after the bending angle of the flexible hose 202 is adjusted, the angle of the inner needle core 6 is changed to puncture, and the interface cylinder 4 is attached to the scalp through the fixing piece 5 so as to be connected with a connecting pipe connected with an external cerebrospinal fluid drainage belt.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An ommaya needle comprising:
the inner needle core (6), the inner needle core (6) has a central axis, the inner needle core (6) has a first end and a second end on the central axis, the first end is used for puncturing the scalp and ommaya capsule of a human body;
an outer hose assembly, which is sleeved outside the inner needle core (6), and which comprises:
the fixed cylinder body (1) is movably sleeved outside the inner needle core (6), and one end of the fixed cylinder body, which faces the first end part, can be reserved in the ommaya bag;
the telescopic hose (202) is connected to one end, close to the second end, of the fixed cylinder (1), the inner needle core (6) is located inside the telescopic hose (202), and an interlayer cavity is formed in the pipe wall of the telescopic hose (202);
the interface cylinder body (4), interface cylinder body (4) connect in flexible hose (202) are close to the one end of second tip, interface cylinder body (4) are linked together with outside drainage equipment.
2. An ommaya needle according to claim 1, wherein the outer hose assembly further comprises an elastic member (201), the elastic member (201) being arranged within the sandwich cavity, the elastic member (201) being configured to provide an elastic pulling force to the flexible hose (202) to be contracted.
3. An ommaya needle according to claim 1, further comprising a fixing member (5), wherein the fixing member (5) has a connecting through hole in the middle thereof, the interface cylinder (4) is passed through the connecting through hole to fix the interface cylinder (4) in the connecting through hole, and the fixing member is configured to be fixed to the scalp surface of the human body.
4. An ommaya puncture needle according to claim 1, wherein a slit groove (3) is formed in both the left and right sides of the outer side wall of the fixed cylinder (1), the slit groove (3) communicates the inside of the fixed cylinder (1) with the outside, and the lower part of the slit groove (3) is opened.
5. An ommaya needle according to claim 3, wherein the fixing member (5) is a cylinder, and the fixing member (5) is perpendicular to the hub (4).
6. An ommaya needle according to claim 5, wherein the outer surface of the holder (5) has a layer of glue, the upper surface of which layer covers the tearable patch.
7. An ommaya puncture needle according to claim 6, wherein the fixing member (5) is provided with two first through holes and two second through holes, the two first through holes are positioned on the left side of the connecting through hole, and the two second through holes are positioned on the right side of the connecting through hole.
8. An ommaya needle according to claim 4, wherein the slit groove (3) has a horizontal width of 2mm.
9. An ommaya needle according to claim 1, wherein the flexible tube (202) is a flexible bellows plastic tube, the natural length of the flexible tube (202) is 5mm, the shortest length of the flexible tube (202) after compression is 2mm, and the length of the fixed cylinder (1) is 11mm.
10. An ommaya puncture needle according to any one of claims 1 to 9, wherein the angle of the inner needle core (6) is changed to puncture after the bending angle is adjusted by the telescopic hose (202) during puncture, and the interface cylinder (4) is attached to the scalp by the fixing piece (5) so as to be connected with a connecting pipe externally connected with a cerebrospinal fluid drainage belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311019327.9A CN117224205A (en) | 2023-08-14 | 2023-08-14 | Ommaya puncture needle and puncture method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311019327.9A CN117224205A (en) | 2023-08-14 | 2023-08-14 | Ommaya puncture needle and puncture method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117224205A true CN117224205A (en) | 2023-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311019327.9A Pending CN117224205A (en) | 2023-08-14 | 2023-08-14 | Ommaya puncture needle and puncture method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117224205A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012179087A (en) * | 2011-02-28 | 2012-09-20 | Terumo Corp | Puncture needle |
| CN205903467U (en) * | 2016-05-30 | 2017-01-25 | 徐州市中心医院 | Ommaya bag puncture drainage device |
| CN210785619U (en) * | 2019-07-17 | 2020-06-19 | 重庆长城医院有限责任公司 | Closed drainage device for thoracentesis |
| CN214761385U (en) * | 2021-04-12 | 2021-11-19 | 上海交通大学医学院附属仁济医院 | Puncture needle for Ommaya sac |
| CN218165697U (en) * | 2021-11-10 | 2022-12-30 | 占正寅 | Liquid storage bag drainage assembly |
-
2023
- 2023-08-14 CN CN202311019327.9A patent/CN117224205A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012179087A (en) * | 2011-02-28 | 2012-09-20 | Terumo Corp | Puncture needle |
| CN205903467U (en) * | 2016-05-30 | 2017-01-25 | 徐州市中心医院 | Ommaya bag puncture drainage device |
| CN210785619U (en) * | 2019-07-17 | 2020-06-19 | 重庆长城医院有限责任公司 | Closed drainage device for thoracentesis |
| CN214761385U (en) * | 2021-04-12 | 2021-11-19 | 上海交通大学医学院附属仁济医院 | Puncture needle for Ommaya sac |
| CN218165697U (en) * | 2021-11-10 | 2022-12-30 | 占正寅 | Liquid storage bag drainage assembly |
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