CN219940748U - Auxiliary device for spine minimally invasive double-channel endoscope - Google Patents
Auxiliary device for spine minimally invasive double-channel endoscope Download PDFInfo
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- CN219940748U CN219940748U CN202321242428.8U CN202321242428U CN219940748U CN 219940748 U CN219940748 U CN 219940748U CN 202321242428 U CN202321242428 U CN 202321242428U CN 219940748 U CN219940748 U CN 219940748U
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- guide rail
- sleeve
- auxiliary device
- minimally invasive
- double
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- 210000005077 saccule Anatomy 0.000 claims abstract description 3
- 239000007924 injection Substances 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 206010052428 Wound Diseases 0.000 abstract description 2
- 208000027418 Wounds and injury Diseases 0.000 abstract description 2
- 210000004872 soft tissue Anatomy 0.000 description 7
- 208000014674 injury Diseases 0.000 description 6
- 230000008733 trauma Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000011846 endoscopic investigation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 208000020307 Spinal disease Diseases 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000001574 biopsy Methods 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000916 dilatatory effect Effects 0.000 description 1
- 238000002224 dissection Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 230000000451 tissue damage Effects 0.000 description 1
- 231100000827 tissue damage Toxicity 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to an auxiliary device for a spine minimally invasive double-channel endoscope, which comprises a first sleeve (1), a second sleeve (2), a guide rail (3), a sliding assembly (4) and a puncture assembly (5); the guide rail (3) is in a double-layer fan ring shape, and the sliding component (4) is slidably sleeved above the guide rail (3) and reciprocates along the guide rail (3); the sliding component (4) drives the second sleeve (2) to move together when reciprocating along the guide rail (3); the puncture assembly (5) is arranged inside the first sleeve (1) and the second sleeve (2), a plurality of holes (52) are formed in the needle tube part of the puncture assembly (5), and an expandable saccule structure (53) is wrapped outside the holes (52). According to the utility model, the guide rail is arranged to enable the two sleeves to always point to the circle center of the outer diameter of the guide rail, the adjustment is carried out according to specific use conditions, the working area in the operation is accurately positioned, the operation efficiency is greatly improved, the operation wounds of patients are reduced, and the clinical curative effect is finally improved.
Description
Technical Field
The utility model relates to the technical field of minimally invasive medical instruments for spinal column, in particular to an auxiliary device for a minimally invasive double-channel endoscope for spinal column.
Background
In recent years, the development of minimally invasive spinal techniques is rapid, and spinal endoscopic techniques are one of the most representative techniques. The UBE technology (unlateral biportal endoscopic technique) is more and more favored by doctors because of the advantages of large field of view under the lens, flexible space, wide range, multiple instruments, convenient operation, high operation efficiency and the like, and is further widely applied to treating various spinal diseases and has remarkable curative effect.
This technique requires simultaneous creation of both the viewing channel and the operative channel, with rapid and efficient creation of the dual channel being a prerequisite for successful surgery. Currently, accurate confluence of the double-sided cannula at the target site after penetration often depends on the operating experience of the operator and the hand feeling during the operation, and once undesirable, extensive soft tissue dissection and repeated perspective positioning are required, which increases the operation time, bleeding volume, radiation exposure and soft tissue damage. Especially for beginners.
Therefore, if accurate puncture can be simply, conveniently and rapidly completed, thereby realizing successful convergence of double channels on target spots, simultaneously manufacturing effective operation space in a minimally invasive manner, greatly improving operation efficiency, reducing intraoperative trauma of patients and finally improving clinical curative effect, and leading the 'minimally invasive' technology to be true.
In this context, many related instrument designs for auxiliary channel establishment have been developed, but most of them are complicated in conceptual design or operation, and lack effectiveness and practicality.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the UBE double-channel establishment auxiliary device which can rapidly, accurately and minimally invasively establish a working channel and an operating space and effectively solve the existing problems. The device is a spinal minimally invasive double-channel establishment auxiliary device which is simple and convenient to operate, safe and practical, can shorten the learning curve of an operator, and promotes the development, popularization and application of UBE technology.
The aim of the utility model can be achieved by the following technical scheme:
an auxiliary device for a spine minimally invasive double-channel endoscope comprises a first sleeve, a second sleeve, a guide rail, a sliding component and a puncture component;
the guide rail is double-layer fan-shaped, and the sliding component is slidably sleeved above the guide rail and reciprocates along the guide rail;
the first sleeve is fixedly arranged at one end of the guide rail, the second sleeve is fixedly connected below the sliding assembly, and the sliding assembly drives the second sleeve to move together when reciprocating along the guide rail;
the puncture assembly is arranged inside the first sleeve and the second sleeve, the needle tube part of the puncture assembly is provided with a plurality of holes, and the outer sides of the holes are wrapped with expandable saccule structures.
Further, when the sliding component slides along the guide rail, the first sleeve and the second sleeve always point to the circle center of the arc of the guide rail.
Further, the sliding component is in a fan ring shape, and the radian of the fan ring is matched with the radian of the upper edge of the guide rail in a fitting way.
Further, limit baffles are arranged on two sides of the sliding assembly, and the limit baffles limit the sliding assembly to move in the horizontal position on the guide rail.
Further, the puncture assembly is of a hollow needle tube structure, and an injection port is arranged at the top end of the puncture assembly.
Further, the balloon structure seals the hole and is combined with the needle tube part of the puncture assembly to form a three-dimensional structure capable of expanding outwards, and an expanding device such as a balloon or the like is arranged at the tip of the puncture needle, so that liquid or gas is injected from an injection port in the use process to push away soft tissues, the working area is increased, the noninvasive space is manufactured, the operation efficiency is improved, and the intraoperative trauma of a patient is reduced.
Further, one end of the guide rail is of a closed structure, and the other end of the guide rail is of an open structure.
Further, the open structure end sleeve is provided with a limiting sleeve for preventing the sliding component from falling off, and the limiting sleeve is detachably arranged at one end of the guide rail.
Further, the outer surface of the guide rail is provided with radian scales which point to the circle center, so that when an operator slides the sleeve, the sleeve can be visually overlapped with the radian, and the guide pipe extension line are further ensured to be compared with the circle center of the guide rail arc.
Further, the puncture assembly surface is provided with length scales, so that an operator can conveniently adjust according to operation needs or actual conditions, and the scales with the length of r1 are overlapped with the upper edge of the guide rail or the scales with the length of r2 are overlapped with the lower edge of the guide rail, so that different use conditions can be adapted.
Compared with the prior art, the utility model has the following advantages:
(1) The utility model designs and provides a UBE double-channel establishment auxiliary device which can rapidly, accurately and minimally invasively establish a working channel and an operation space, the two sleeves are always directed to the circle center of the outer diameter of the guide rail through the guide rail, the adjustment is carried out according to specific use conditions, the working area in the operation is accurately positioned, the operation efficiency is greatly improved, the intraoperative trauma of a patient is reduced, and finally the clinical curative effect is improved.
(2) The puncture assembly of the utility model refers to kyphoplasty (PKP), and by installing a dilating device (such as a balloon or the like) at the needle tube of the puncture needle, soft tissues are pushed away, the working area is increased, a noninvasive space is manufactured, the operation efficiency is improved, and the intraoperative trauma of a patient is reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the dimensions of a rail according to the present utility model;
FIG. 3 is a schematic view of a sliding assembly according to the present utility model;
FIG. 4 is a schematic view of the puncture assembly of the present utility model;
fig. 5 is a schematic diagram of another overall structure of the present utility model.
In the figure: 1. a first sleeve; 2. a second sleeve; 3. a guide rail; 31. a limit sleeve; 4. a sliding assembly; 41. a limit baffle; 5. a puncture assembly; 51. an injection port; 52. needle tube empty slot; 53. balloon structure.
Detailed Description
The utility model will now be described in detail with reference to the drawings and specific examples.
Examples
As shown in fig. 1 to 4, the auxiliary device for the minimally invasive spinal double-channel endoscope comprises a first sleeve 1, a second sleeve 2, a guide rail 3, a sliding component 4 and a puncture component 5.
The guide rail 3 is a double-layer fan ring shape, one end of the guide rail 3 is of a closed structure, and the other end of the guide rail is of an open structure.
The sliding component 4 is slidably sleeved above the guide rail 3 and reciprocates along the guide rail 3; when the sliding component 4 is arranged along the guide rail 3, the first sleeve 1 and the second sleeve 2 always point to the center of the outer diameter of the guide rail 3, the working area in the operation is accurately positioned, the operation efficiency is greatly improved, the operation trauma of a patient is reduced, and the clinical curative effect is finally improved.
The first sleeve 1 is fixedly arranged at one end of the guide rail 3, the second sleeve 2 is fixedly connected below the sliding component 4, and the sliding component 4 drives the second sleeve 2 to move together when reciprocating along the guide rail 3.
As shown in fig. 4, when in use, the puncture assembly 5 is used for target point puncture positioning marking, then the guide rail 3 is sleeved into the puncture needle through the sleeve 1, the scale with the length r1 on the assembly 5 is adjusted to overlap with the upper edge of the guide rail, the sliding assembly 4 and the sleeve 2 are placed above the guide rail 3, and the position of the sliding assembly 4 on the guide rail 3 is adjusted according to actual requirements. Then the second puncture assembly 5 is inserted through the sleeve 2, so that the second puncture assembly is accurately converged with the first puncture assembly 5 at the circle center target point and marked again. The slide assembly 4 is then removed with the sleeve 2, the rail stop 31, and the entire rail 3 in sequence. Next, a working space is manufactured by injecting gas or physiological saline through the injection hole 51, then the puncture needle 5 can be removed, the lens and the operation instrument are put in according to the manufactured noninvasive channel and the marked target point, and the operation is started after the two are accurately combined.
As shown by the arrow in fig. 2, the upper edge and the lower edge of the guide rail 3 are circular arcs with different radiuses and the same center, wherein the radius of the outer circle is r1, and the radius of the inner circle is r2, and r1 is more than r2. The height of the guide rail 3, namely the range of the length difference between r1 and r2 is 2-10cm, the inner diameter range of the first sleeve 1 and the second sleeve 2 is 4-10mm, the outer diameter range of the puncture assembly 5 is 3-9mm, and the length range of the puncture assembly 5 is 10-30cm.
As shown in fig. 2, the sliding component 4 is in a fan ring shape, and the outer diameter of the fan ring is fitted with the shape of the guide rail 3. Limiting baffles 41 are arranged on two sides of the sliding component 4, the limiting baffles 41 limit the sliding component 4 to move in the horizontal position on the guide rail 3, and the fact that the puncture needles in the first sleeve 1 and the second sleeve 2 always point to the circle center of the outer diameter of the guide rail 3 is ensured.
As shown in fig. 3, the puncture assembly 5 can pass through the inside of the first sleeve 1 and the second sleeve 2, the needle tube part of the puncture assembly 5 is provided with a plurality of holes 52, and the expandable balloon structure 53 is wrapped outside the holes 52. The puncture assembly 5 is of a hollow needle tube structure, and the top end of the puncture assembly 5 is provided with an injection port 51. The balloon structure 53 closes the hole 52 and combines with the needle tube portion of the puncture assembly 5 to form a three-dimensional structure that can expand outwardly. Referring to kyphoplasty PKP, by installing an expansion device such as a balloon or the like at the puncture needle cannula, during use, fluid or gas is injected from the injection port 51, pushing away soft tissue, increasing the working area, making a non-invasive space, improving the efficiency of the operation, and reducing the intraoperative trauma of the patient.
In this embodiment, the open structure end of the guide rail 3 is sleeved with a stop collar 31 for preventing the sliding component 4 from falling off, and the stop collar 31 is detachably mounted at one end of the guide rail 3.
The guide rail 3 and the outer surface of the puncture assembly 5 are provided with scale marks, after the puncture assembly 5 is inserted through the first sleeve pipe 1, no matter where the sliding assembly 4 slides, the second puncture assembly 5 can be guaranteed to be accurately converged with the first puncture assembly 5 at a circle center target point through the sleeve pipe 2, and an operator can conveniently adjust the distance between the two channels according to operation needs or actual conditions, so that the puncture assembly is suitable for different use conditions.
Working principle: as shown in fig. 4, during operation procedures such as UBE operation, arthroscopic operation, tissue biopsy operation, auxiliary soft tissue extraction and the like, a puncture assembly 5 is inserted from a patient incision through a first cannula 1 to reach an operation target area for marking, a sliding assembly 4 and a second cannula 2 are adjusted, a 2 nd puncture assembly 5 is inserted through the cannula 2 for marking again, an auxiliary device is removed, only two puncture assemblies 5 are left, air or normal saline is injected from the tail to push away muscle soft tissue of a working area so as to manufacture a noninvasive working space, then the puncture needle 5 can be removed, and according to the manufactured noninvasive channel and marked targets, a lens and an operation instrument are accurately combined, so that operation efficiency is improved, and intraoperative wounds of a patient are reduced.
It should be noted that, in the description of the present utility model, the terms "upper," "lower," "inner," "outer," "front," "rear," "both ends," "one end," "the other end," and the like indicate an azimuth or a positional relationship based on that shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Claims (10)
1. The auxiliary device for the spine minimally invasive double-channel endoscope comprises a first sleeve (1) and a second sleeve (2) and is characterized by further comprising a guide rail (3), a sliding assembly (4) and a puncture assembly (5);
the guide rail (3) is in a double-layer fan ring shape, and the sliding component (4) is detachably sleeved above the guide rail (3) and slides above the guide rail (3) to do reciprocating motion;
the first sleeve (1) is fixedly arranged at one end of the guide rail (3), the second sleeve (2) is fixedly connected below the sliding component (4), and the sliding component (4) drives the second sleeve (2) to move together when reciprocating along the guide rail (3);
the puncture assembly (5) is arranged inside the first sleeve (1) and the second sleeve (2), a plurality of holes (52) are formed in the needle tube part of the puncture assembly (5), and an expandable saccule structure (53) is wrapped outside the holes (52).
2. The auxiliary device for the spine minimally invasive double-channel endoscope according to claim 1, wherein when the sliding component (4) slides along the guide rail (3), the first sleeve (1) and the second sleeve (2) always point to the circle center of the arc of the guide rail (3).
3. The auxiliary device for the spine minimally invasive double-channel endoscope according to claim 1, wherein the sliding component (4) is in a fan ring shape, and the radian of the fan ring is matched with that of the upper edge of the guide rail (3).
4. The auxiliary device for the spine minimally invasive double-channel endoscope according to claim 3, wherein limit baffles (41) are arranged on two sides of the sliding assembly (4), and the limit baffles (41) limit the sliding assembly (4) to move in a horizontal position on the guide rail (3).
5. The auxiliary device for the spine minimally invasive double-channel endoscope according to claim 1, wherein the puncture assembly (5) is of a hollow needle tube structure, and an injection port (51) is formed in the top end of the puncture assembly (5).
6. The auxiliary device for the minimally invasive spinal double-channel endoscope according to claim 1, wherein the balloon structure (53) seals the hole (52) and is combined with the needle tube part of the puncture assembly (5) to form a three-dimensional structure which can be expanded outwards.
7. The auxiliary device for the spine minimally invasive double-channel endoscope according to claim 1, wherein one end of the guide rail (3) is of a closed structure, and the other end of the guide rail is of an open structure.
8. The auxiliary device for the spine minimally invasive double-channel endoscope according to claim 7, wherein the open structure end is sleeved with a limiting sleeve (31) for preventing the sliding component (4) from falling off, and the limiting sleeve (31) is detachably arranged at one end of the guide rail (3).
9. The auxiliary device for the spine minimally invasive double-channel endoscope according to claim 1, wherein the outer surface of the guide rail (3) is provided with radian scales.
10. The auxiliary device for the spine minimally invasive double-channel endoscope according to claim 1, wherein the surface of the puncture assembly (5) is provided with length scales.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321242428.8U CN219940748U (en) | 2023-05-22 | 2023-05-22 | Auxiliary device for spine minimally invasive double-channel endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321242428.8U CN219940748U (en) | 2023-05-22 | 2023-05-22 | Auxiliary device for spine minimally invasive double-channel endoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219940748U true CN219940748U (en) | 2023-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321242428.8U Active CN219940748U (en) | 2023-05-22 | 2023-05-22 | Auxiliary device for spine minimally invasive double-channel endoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219940748U (en) |
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2023
- 2023-05-22 CN CN202321242428.8U patent/CN219940748U/en active Active
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