CN110368075B - Submerged indwelling guiding device for drainage tube of lumbar cistern - Google Patents
Submerged indwelling guiding device for drainage tube of lumbar cistern Download PDFInfo
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- CN110368075B CN110368075B CN201910759621.0A CN201910759621A CN110368075B CN 110368075 B CN110368075 B CN 110368075B CN 201910759621 A CN201910759621 A CN 201910759621A CN 110368075 B CN110368075 B CN 110368075B
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- 238000009593 lumbar puncture Methods 0.000 claims abstract description 51
- 230000014759 maintenance of location Effects 0.000 abstract description 6
- 206010033675 panniculitis Diseases 0.000 abstract description 4
- 210000004304 subcutaneous tissue Anatomy 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 208000015181 infectious disease Diseases 0.000 description 8
- 230000009189 diving Effects 0.000 description 5
- 210000004872 soft tissue Anatomy 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000007920 subcutaneous administration Methods 0.000 description 4
- 206010006895 Cachexia Diseases 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 208000026500 emaciation Diseases 0.000 description 3
- 238000002513 implantation Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 208000008589 Obesity Diseases 0.000 description 2
- 206010052428 Wound Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000037396 body weight Effects 0.000 description 2
- 210000001175 cerebrospinal fluid Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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- 238000012986 modification Methods 0.000 description 2
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- 230000000149 penetrating effect Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 210000004003 subcutaneous fat Anatomy 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 208000032544 Cicatrix Diseases 0.000 description 1
- 201000004624 Dermatitis Diseases 0.000 description 1
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- 238000005452 bending Methods 0.000 description 1
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- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 208000001022 morbid obesity Diseases 0.000 description 1
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- 239000002861 polymer material Substances 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 230000037387 scars Effects 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
- A61B17/3415—Trocars; Puncturing needles for introducing tubes or catheters, e.g. gastrostomy tubes, drain catheters
-
- 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
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
-
- 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
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B2017/3454—Details of tips
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- Health & Medical Sciences (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Gastroenterology & Hepatology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a lumbar large pool drainage tube submerging retention guide device, which solves the problem that the submerging distance of a drainage tube in the prior art is short and can not be maintained for a long time, has the beneficial effects of conveniently exiting a lumbar puncture needle and prolonging the submerging distance of the drainage tube in subcutaneous tissue, and adopts the following scheme: the utility model provides a waist big pond drainage tube submerging and keeping the guiding device, includes the outer sleeve needle, and one end is sharp-pointed in order to puncture, and the outer sleeve needle is equipped with the lumen inside, and the outer sleeve needle is opened and is had with the lumen perpendicular and with the communicating side seam of lumen; the device comprises a first component, a second component and a third component, wherein one end of the first component is provided with a hook part, and the hook part can hook a lumbar puncture needle and/or a lumbar cistern drainage tube; and the second part is matched with the first part, the second part and the first part can be introduced into the lumen, and one end of the second part can be propped against the inner wall of the lumen.
Description
Technical Field
The invention relates to the field of medical equipment, in particular to a waist large pool drainage tube submerged indwelling guiding device.
Background
At present, two types of modes are adopted for retention of the lumbar cistern drainage tube in clinic: 1. the direct puncture implantation mode is as follows: after the lumbar puncture needle is used for successfully puncturing the lumbar cistern, the needle core is withdrawn, and the drainage tube is placed in the cavity of the puncture needle. The method is the most widely used general method at home and abroad at present, and has the advantages of simple and convenient operation and no transverse diving distance. 2. Other modes: a, on the basis of successful direct puncture tube placement, making a skin incision beside an original skin puncture hole, and leading out the tail section of a drainage tube at the original puncture hole through the incision after a subcutaneous tunnel is poked by using a vascular forceps. The method has the defects of great wound, complex operation, limited bypass distance, limited submergence depth, limited maintenance time of the belt tube and the like, and once the indwelling drainage tube needs to be punctured again, the lumbar intervertebral space needs to be replaced because the skin condition of the lumbar intervertebral space is influenced by the operation. b, or after the puncture needle is bent and shaped for a certain radian, the puncture needle punctures and sticks out the skin from the side-open position towards the direction of the original puncture hole, and then the tail section of the drainage tube is reversely led out through the needle cavity of the puncture needle. The method has simple operation from the appearance and has diving effect, and in practice, the puncture needle with bending and shaping can only be poked through the original puncture hole, and has four obvious defects: the drainage tube is easy to be damaged, the skin at the puncture hole is not covered enough, even the drainage tube is partially exposed, the whole diving is too shallow, and the diving distance is limited. Because the method has an inexact effect or even a poor effect and is complex to operate, only a small part of doctors can use the method occasionally in clinic.
In the direct puncture implantation mode, because the puncture path is linear, the part of the left lumbar cistern drainage tube between the lumbar cistern and the skin puncture hole is linear, the distance in soft tissues is short, the tube Zhou Shenye is easy to appear along with the time extension, the drainage tube is loose, even retrograde infection is caused, and the device is especially suitable for patients with severe obesity or obvious emaciation. For example: usually, the time for drainage treatment of the lumbar pool drainage tube of the neurology patient is generally 1-3 weeks, and part of patients may need to take longer with the tube. In general, after the drainage tube is left for 1 week, local skin impregnation, whitening and secretion even appear around the drainage tube, and the drainage tube starts to loosen. Even if the local dressing change frequency is specially increased for prolonging the time of taking the tube and the turning-over movement is reasonably assisted so as to avoid the involvement of the drainage tube, the local dressing change frequency is difficult to avoid. If the drainage tube is not suitable to be kept, the new drainage tube is required to be replaced frequently by replacing lumbar intervertebral space to puncture again in order to avoid the drainage tube accident. While it is more difficult to maintain a drainage tube for apparently obese or lean patients: when the body weight of an obese patient is assisted, the subcutaneous fat layer is fat, and when the body position is changed, obvious deformation can occur between the skin surface of the waist and the back and the lumbar spinous process, and the body weight and the obesity degree are positively related. Because nursing staff usually push skin and subcutaneous soft tissues to move to a certain extent before the body of a patient starts to turn over integrally when helping turn over, tension or relative movement is generated between the drainage tube in the body and the peripheral tissues of the tube due to traction, and loosening is caused even when the drainage tube locally "moves" in the subcutaneous soft tissues, so that secondary seepage and retrograde infection are easy to happen; in addition, for patients with obvious emaciation, due to the lack of enough fat layer between the skin and the supraspinal ligaments of the lumbar vertebrae, the loosening of the drainage tube and the exudation of cerebrospinal fluid along the peripheral gap of the drainage tube are very easy to occur, and even in the conventional direct puncture type tube placing process, the cerebrospinal fluid passes through the tube Zhou Shenchu, and even if the skin around the puncture hole is sutured, the exudation is easy to occur. Although the emaciated patient is not easy to turn over, the drainage tube can 'float' in the body, and retrograde infection is easy to occur due to short barrier distance and easy seepage. So the lumbar cistern drainage tube is more difficult to maintain for patients with significant obesity and patients with significant emaciation.
The retaining effect of the above mentioned mode on the lumbar large pool drainage tube is not ideal: the lumbar cistern drainage tube is difficult to maintain and short in maintenance time, so that nursing difficulty is increased, frequent dressing change of wounds and even medical workload increase by puncture and tube placement are required, and material consumption, economic burden and pain of patients are increased. The key is that the defect of the traditional retention mode causes that the drainage tube is easy to loosen, seep and even carry out retrograde infection, and as a result, the drainage maintenance time is shortened, the retrograde infection risk is increased, the treatment effect is finally influenced, and even new infection is caused. And for those with poor skin conditions of the waist and back, such as: the implementation of the method for indwelling the lumbar large pool drainage tube is seriously affected by skin inflammation, scars and the like near the puncture area due to difficult avoidance.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the submerged indwelling guiding device for the drainage tube of the lumbar large pool, which can be conveniently clamped with the lumbar puncture needle penetrating through the lumbar large pool, can also conveniently exit from the lumbar puncture needle, can prolong the submerged distance of the drainage tube in subcutaneous tissue, and can better maintain the drainage tube for different patients.
The specific scheme of the waist large pool drainage tube submerged indwelling guiding device is as follows:
a lumbar cistern drainage tube submerged indwelling guiding device, comprising:
one end of the outer sleeve needle is sharp so as to facilitate puncture, a lumen is arranged in the outer sleeve needle, and a side seam which is vertical to the lumen and communicated with the lumen is formed in the outer sleeve needle;
the device comprises a first component, a second component and a third component, wherein one end of the first component is provided with a hook part, and the hook part can hook a lumbar puncture needle and/or a lumbar cistern drainage tube;
and after the second component is matched with the first component, the second component and the first component can be introduced into the lumen, and one end of the second component can be propped against the inner wall of the lumen.
The lumbar puncture needle is hooked by the first component, the lumbar puncture needle is withdrawn through the side seam, the second component is propped against the inner wall of the tube cavity, the lumbar puncture needle is withdrawn, the lumbar puncture needle is clamped between the second component and the tube cavity, the lumbar puncture needle is clamped between the first component and the tube cavity, the hook hooks the lumbar puncture needle through the outer tube cavity by moving the first component relative to the outer tube needle, and the hook hooks the lumbar puncture needle.
In order to further stabilize the clamping waist big pool drainage tube, one side of the side seam in the cavity is provided with a cushion block, one side surface of the cushion block is flush with one side of the side seam, one end of the second part, which is led into the cavity, can be propped against the cushion block, and the height of the cushion block is equal to half of the diameter of the cavity at the position of the cavity where the cushion block is located.
Further, the outer sleeve needle comprises a tip, a body and a tail, wherein the tip is connected with the body, the tail is arranged on two sides of the tail end of the body, the tip is in a conical shape so as to be convenient for puncture, the tip is provided with a tip cavity, the cushion block is arranged in the tip cavity, the side seam is arranged at the joint of the tip and the body, a cavity communicated with the side seam is arranged in the body, the cavity and the tip cavity form a tube cavity, and the tip cavity can be used for accommodating the hook part of the first component.
Further, the side seam is followed the outer sleeve needle outside is to inboard two sections that include the intercommunication, and first section is the straightway, and the second section is the bucket type section, and the lateral part and the straightway intercommunication of bucket type section are convenient for hold the lumbar puncture needle through the side seam card through the setting of bucket type section, and the transverse cross-section of bucket type section is circular, and the size of the second section top side of bucket type section is greater than the size of bottom side, second section top side size to the body direction enlarges, is prevented that the drainage tube from being drawn by the side seam trailing edge card when entering the outer sleeve needle and is scratched the damage.
Further, the body is cylindrical, the cavity is a cylindrical cavity, and the tail part is a tail fin arranged on two sides of the body.
Further, the first part is including hook, first body and the first afterbody that connects gradually, and the height of hook is less than the height of first body, and the width of first body is less than the width of first afterbody, and hook and first body can get into the lumen like this, and first afterbody is restricted in the lumen outside, is convenient for control first part, and first afterbody is the first fin of locating first body tip.
Further, in order to achieve hooking of the lumbar puncture needle by the hook portion and smooth withdrawal of the lumbar puncture needle, a gap width between the hook portion and the first body portion is greater than or equal to an outer diameter of the lumbar puncture needle;
in order to adapt to the shape of the inner cylindrical cavity of the needle body of the outer sleeve, the cross section of the first body part is semicircular in the upper half of 1/2.
Further, the second part comprises a head part, a second body part and a second tail part which are sequentially connected, wherein the width of the second tail part is larger than that of the second body part, so that the head part and the second body part can enter the lumen, and the second tail part is a second tail wing arranged at the end part of the second body part.
Further, in order to be matched with the first component well, the cross section of the head part is in a lower half 1/2 half arc shape, the second body part is in a lower half arc shape, and the waist large pool drainage tube is pulled by the first component to pass through the sleeve needle cavity conveniently through the arrangement of the second body part;
the upper edge of the head of the second part is in a blunt round shape, so that the damage to the drainage tube caused by traction when the drainage tube is clamped by the head of the second part and the cushion block can be prevented.
Further, the inner side surface and the outer side surface of the hook part are arc-shaped, damage to the lumbar puncture needle and the drainage tube is avoided, and meanwhile, when the lumbar puncture needle is used, the plane where the hook part is located is perpendicular to the plane where the lumbar puncture needle is located, so that the lumbar puncture tube is clamped into the hook part.
Compared with the prior art, the invention has the beneficial effects that:
1) The waist large pool drainage tube submerged indwelling guiding device is simple in structure, components are not easy to damage and break, operation reliability is high, safety is high, popularization and application are easy, and the whole device is easy to manufacture.
2) According to the invention, through the arrangement of the side seam of the outer sleeve needle, the lumbar puncture needle is conveniently clamped in the side seam, and under the cooperation of the first component, the side seam is convenient to withdraw the lumbar puncture needle, and the hook part of the first component is convenient to hook the lumbar cistern drainage tube.
3) According to the invention, through the arrangement of the first component, the lumbar puncture needle can move in the outer sleeve needle, and through the arrangement of the front end hook part, the lumbar puncture needle can be fixed, the lumbar puncture needle can be withdrawn conveniently, and the lumbar large-pool drainage tube is hooked through the first component hook part, so that the drainage tube can move in a diving way conveniently.
4) According to the invention, through the arrangement of the second component, not only is space provided for the movement of the lumbar cistern drainage tube, but also the action of clamping the lumbar cistern drainage tube can be achieved by matching with the anvil block, so that the external part of the drainage tube can be ensured to smoothly slide into the sleeve needle when the lumbar cistern drainage tube is pulled in the sleeve needle, and the stability of the drainage tube in the lumbar cistern can be maintained.
5) The invention changes the retention mode of the traditional lumbar cistern drainage tube by the guiding device, and can dive the retention drainage tube in different directions and different distances according to the body type and local skin condition of a patient;
for emaciated and positive patients, the drainage tube is submerged subcutaneously for a sufficient length, so that the barrier distance of body tissues is obviously prolonged, the occurrence rate of seepage and retrograde infection rate are reduced, the tube-carrying time is prolonged, the drainage effect is improved, and the treatment effect is improved;
the lumbar large pool drainage tube for obese patients can be submerged in the subcutaneous soft tissue layer with enough depth without tension, even if the subcutaneous fat layer is pulled to move by the body-turning and the like, the drainage tube is not easy to shift and loose, thereby reducing the incidence rate of seepage and the retrograde infection rate, and prolonging the time and effect of taking the tube.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
FIG. 1 is a side view of a lumbar cistern drainage tube submerged guide device in accordance with an embodiment of the present invention;
FIG. 2 is a top view of a lumbar cistern drainage tube submerged guide device according to an embodiment of the present invention;
FIG. 3 is a side view of a first component in an embodiment of the invention;
FIG. 4 is a top view of a first component in an embodiment of the invention;
FIG. 5 is a side view of a second component in an embodiment of the invention;
FIG. 6 (a) is a top view of a second component in an embodiment of the invention;
FIG. 6 (b) is a cross-sectional view of the central axis of the second member in an embodiment of the invention;
FIG. 7 (a) is a cross-sectional view of the head of a second member according to an embodiment of the present invention;
FIG. 7 (b) is a cross-sectional view of a body of a second component in an embodiment of the present invention;
FIG. 8 is a front side view of an outer sleeve needle in accordance with an embodiment of the present invention;
FIG. 9 is a top view of the front portion of an outer sleeve needle in accordance with an embodiment of the present invention;
FIG. 10 is a schematic longitudinal cross-sectional view of the front portion of the outer sleeve needle along the central axis in accordance with an embodiment of the present invention;
FIG. 11 is a schematic diagram showing the engagement of a lumbar puncture needle with a lumbar drainage tube submerged-displacement guiding device according to an embodiment of the present invention;
FIG. 12 is a schematic view showing a lumbar puncture needle withdrawn from a lumbar cistern drainage tube submerged entry guiding device engaged with a lumbar cistern drainage tube according to an embodiment of the present invention;
FIG. 13 is a schematic view of a submerged guide device for a lumbar cistern drainage tube, wherein the head of the second component and a cushion block clamp the lumbar cistern drainage tube;
FIG. 14 is a schematic view showing a waist large pool drainage tube submerged indwelling guiding device dragging a drainage tube to move according to an embodiment of the present invention;
FIG. 15 is a schematic view of a submerged displacement guide for a lumbar cistern drainage tube according to an embodiment of the present invention, wherein the second member is withdrawn after the lumbar cistern drainage tube is exposed from the trailing end and deployed;
FIG. 16 is a schematic view of a lumbar cistern drainage tube underrun indwelling guiding device according to an embodiment of the present invention withdrawn from an outer sleeve needle;
FIG. 17 is a schematic diagram showing a drainage tube indwelling by a conventional method in comparison with a drainage tube indwelling by a guiding device according to the present embodiment of the present invention;
in the figure: 1. 1-1 parts of outer sleeve needles, 1-2 parts of head parts, 1-3 parts of body parts, 1-4 parts of tail parts, 1-5 parts of anvil blocks and 1-5 parts of side seams;
2. a first component, 2-1, a hook part, 2-2, a first body part, 2-3, and a first tail part;
3. a second component, 3-1, a head, 3-2, a second body, 3-3, a second tail;
4. lumbar puncture needle, drainage tube, subcutaneous tissue layer, lumbar spinous process, lumbar greater lumbar foramen, lumbar vertebral body and lumbar vertebral body.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present invention. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
As described in the background art, the present invention provides a device for guiding the drainage tube of the lumbar cistern to submerge in order to solve the above technical problems, and the present invention is further described below with reference to the accompanying drawings.
In an exemplary embodiment of the present invention, as shown in fig. 1 and 2, a lumbar cisterna drainage tube submergence guiding device includes an outer sleeve needle 1, a first member 2 and a second member 3, the first member 2 and the second member 3 being capable of being cooperatively inserted into the outer sleeve needle 1.
As shown in figures 3 and 4, the outer sleeve needle 1 is hollow, the outer sleeve needle 1 comprises a tip part 1-1, a body part 1-2 and a tail part 1-3, the tip part 1-1 is connected with the body part 1-2, the tail part 1-3 is arranged on two sides of the tail end of the body part 1-2, the tip part 1-1 is conical, the front end of the tip part 1-1 is closed, the tip part 1-1 is provided with a tip part cavity, a cushion block is arranged in the tip part cavity, the cushion block adopts an anvil block, and the height of the anvil block 1-4 is equal to half of the inner diameter of the tip part cavity in the position of the anvil block.
The joint of the tip part 1-1 and the body part 1-2 is provided with a side seam 1-5 for accommodating part of the lumbar puncture needle 4, as shown in fig. 8-9, the side seam 1-5 is communicated with the hollow part inside the outer sleeve needle, the side seam 1-5 is opened to the middle shaft of the outer sleeve needle from the outer side of the outer sleeve needle, the crossing angle of the side seam 1-5 from top to bottom is 180 degrees, the side seam 1-5 comprises two communicated sections from the outer side to the inner side of the outer sleeve needle 1, the first section is a straight line section, the second section is a bucket section (one side is wider than the other side), the side part of the bucket section is communicated with the straight line section, the top side of the second section of the bucket section (one side of the outer sleeve needle is upwards in use) is larger than the bottom side of the second section, the top side of the second section is enlarged in the direction of the body part, the device is favorable for being clamped into the side seam in a non-completely vertical state with the lumbar puncture needle, and the side seam trailing edge is avoided from being scratched when the drainage tube is pulled into the outer sleeve needle, namely, when in use, the side seam 1-5 is at one side of the upper side of the outer sleeve needle, the side 1-5, the side of the side seam 1-5 is larger than the side of the upper side of the outer sleeve needle, the side 1-2 is larger than the cylindrical body 1-2, and the tip part is a cylindrical cavity 2, and the cylindrical cavity can form a cavity 2, and the cavity can accommodate the cavity 2; the tail part 1-3 of the outer sleeve needle 1 is provided with a tail wing, and the arrangement width of the tail wing is larger than the outer diameter of the body part 1-2.
The first part 2 sequentially comprises a hook part 2-1, a first body part 2-2 and a first tail part 2-3 from one side to the other side, and when the outer sleeve needle is used in a working state, the first part 2 is arranged at the upper part of the inner cavity of the outer sleeve needle 1. The hook part 2-1 is horizontal, and the gap width between the hook part 2-1 and the first body part 2 allows the lumbar puncture needle 4 to pass through; the cross section of the first body part 2 is in a half 1/2 semicircle, and when the outer sleeve needle 1 advances forwards in the tube cavity until the tail part is propped against, the front part of the first body part 2-2 can seal the upper half part of the outer sleeve needle side seam 1-5. When the first component 2 and the second component 3 are combined up and down, the outer side surface is cylindrical and is wedged with the inner wall of the lumen of the outer sleeve needle 1; the first tail part 2-3 is a first tail wing arranged at one end of the first body part 2-2, when the first tail wing is parallel to the tail wing of the outer sleeve needle, the hook part 2-1 is in a state vertical to the side seam 1-5, and the hook part 2-1 can freely pass through the upper part of the anvil block 1-4.
The second part 3 comprises a head part 3-1, a second body part 3-2 and a second tail part 3-3 which are connected in sequence from side to side, and the second part 3-2 is arranged at the lower part of the inner cavity of the outer sleeve needle 1 when the outer sleeve needle is used in the working state. As shown in FIG. 7 (a), the cross section of the head 3-1 is in the shape of a lower half 1/2 half arc, the radius of the cross section of the head is the same as that of the cross section of the first body of the first part, and the upper edge of the front end of the head 3-1 is rounded. The head 3-1 of the second component can close the lower half part of the outer sleeve needle side seam 1-5; the second body portion 3-2 has a lower semi-arc-shaped cross section as shown in fig. 7 (b). The head 3-1 has a set length, the head and the second body 3-2 are in smooth transition, and the outer side surface of the second part 3 is in cylindrical wedge fit with the inner wall of the outer sleeve needle tube cavity when the second part 2 is combined up and down; the second tail 3-3 is a second tail fin arranged at one end of the second body 3-2, when the second tail fin is parallel to the tail fin of the outer sleeve needle, the front end of the head part of the second tail fin can be parallel to the anvil block, when the second tail fin is used, the head 3-1 of the second part can be propped against the anvil block, the lumbar puncture needle is retracted for a set distance from the second part, the lumbar puncture needle is retracted, the lumbar large pool drainage tube is accommodated after the lumbar puncture needle is retracted, and the drainage tube is pushed to the front section until the head part of the second tail fin props against the anvil block, so that the drainage tube is fixed. The second body 3-2 is shaped to receive the drain tube 5.
In addition, the lengths of the first component and the second component are limited, the length of the second component is smaller than that of the first component, the lengths of the hook part and the first body part in the first component are matched with the length of the outer sleeve needle tube cavity, the lengths of the head part and the second body part of the second component are matched with the length of the cavity on one side of the outer sleeve needle anvil block, thus the tail ends of the first component and the second component are aligned and combined up and down to be jointly inserted into the outer sleeve needle tube cavity, and the tail front edges of the first component and the second component are clamped in place with the tail rear edge of the outer sleeve needle, so that the stability and the penetrating power of the device are enhanced, and the operability in operation is enhanced. In addition, the side seam of the outer sleeve needle is sealed by the front end of the first component body and the head of the second component, so that soft tissue embedding in the puncturing process can be avoided.
In this embodiment, the outer sleeve needle is made of stainless steel, the first component and the second component are made of high polymer materials such as metal materials or resin, and the outer sleeve needle is not easy to damage, is firm and durable as a whole, has a certain anti-corrosion performance, and can resist high temperature required by sterilization.
The waist large pool drainage tube submerging retention guide device comprises the following specific use steps:
1) The puncture is successful by a conventional lumbar puncture method in a direct puncture implantation mode, the tail end of the lumbar puncture needle 4 and the needle inner drainage tube 5 are kept motionless after the front end of the lumbar cistern drainage tube 5 is successfully implanted into the lumbar cistern;
2) The first part 2 and the second part 3 are combined up and down, and enter the outer sleeve needle tube cavity from the tail end of the outer sleeve needle 1 until the front end of the outer sleeve needle tube cavity meets resistance, and the first part 2 or the second part 3 is not loosened in the puncturing process. The side-open position is selected according to the local body condition of the patient, the tip of the outer sleeve needle of the device is used for puncturing towards the lumbar puncture needle 4, and the specific submerging direction, submerging distance, submerging depth and the like can be selected according to the local body condition of the patient.
3) The outer sleeve needle 1 is controlled to slide through the lumbar puncture needle from the outer side edge of the lumbar puncture needle, the outer sleeve needle 1 is continuously operated to advance until the inner side seams 1-5 and the lumbar puncture needle 4 are in click, and the lumbar puncture needle is positioned at the side seam position of the outer sleeve needle 1.
The first part 2 and the second part 3 are respectively retracted slightly, and the pressure of the outer sleeve needle 1 to the lumbar puncture needle is kept until the latter is clamped into the side seam of the outer sleeve needle 1 and reaches the inner side of the side seams 1-5; fixing the lumbar puncture needle 4 the outer sleeve needle 1 is gently moved to confirm that the lumbar puncture needle 4 is in place, as shown in fig. 11;
lightly pulling the first part 2 to confirm that the front end hook part of the first part can hook the lumbar puncture needle 4, keeping the device and the lumbar cistern drainage tube not moving and slowly withdrawing the lumbar puncture needle 4, as shown in fig. 12;
4) The second part 2 is pushed forward to the tip of the outer sleeve needle 1, and the second part and the anvil blocks 1-4 are together extruded to fix the lumbar large-pool drainage tube 5, as shown in fig. 13, the first part 2 is pulled slowly to lead out the outer section of the lumbar large-pool drainage tube through the end part of the tube cavity of the outer sleeve needle 1, and in the process of pulling the drainage tube 5, the outer part of the drainage tube can be pushed inwards along the original lumbar puncture hole so as to reduce the resistance during pulling, as shown in fig. 14;
5) The lumbar cistern drainage tube 5 is led out from the tail end of the outer sleeve needle tube cavity to the overlapping part of the drainage tube in the tube cavity for unfolding, as shown in fig. 15, the second part 3 is withdrawn for releasing the fixation of the drainage tube 5 (injection: the matched lumbar cistern drainage tube can be provided with graduations or the length of the drainage tube can be measured in the operation process so as to increase the control accuracy. ) And withdrawing the second part;
maintaining slight pushing force to the lumbar cistern drainage tube 5 towards the body, the drainage tube is not excessively large so as not to be folded in the outer sleeve needle tube cavity, and slowly withdrawing the outer sleeve needle 1, wherein the drainage tube is slightly rotated to two sides in the withdrawing process so as to avoid scraping the drainage tube, as shown in fig. 16.
As shown in fig. 17, with the indwelling guiding device provided in this embodiment, one end of the drainage tube is inserted into the lumbar greater lumbar intervertebral disc 8 between the lumbar spinous process 7 and the lumbar vertebral body 9, and the submerging distance of the drainage tube in the subcutaneous tissue 6 is effectively prolonged.
The preoperative preparation of the guiding device before use comprises body position, disinfection, anesthesia, postoperative treatment maintenance and preoperative preparation of a direct puncture mode are the same; corresponding local anesthesia is required before step 2) is performed.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a waist big pond drainage tube is submerged to keep somewhere guiding device which characterized in that includes:
one end of the outer sleeve needle is sharp so as to facilitate puncture, a lumen is arranged in the outer sleeve needle, and a side seam which is vertical to the lumen and communicated with the lumen is formed in the outer sleeve needle;
the device comprises a first component, a second component and a third component, wherein one end of the first component is provided with a hook part, and the hook part can hook a lumbar puncture needle and/or a lumbar cistern drainage tube;
the second component is matched with the first component, the second component and the first component can be communicated into the lumen, and one end of the second component can be propped against the inner wall of the lumen;
a cushion block is arranged on one side of the side seam in the cavity, one side surface of the cushion block is flush with one side of the side seam, one end of the second part, which is introduced into the cavity, can be propped against the cushion block, and the height of the cushion block is equal to half of the diameter of the cavity at the position of the cavity where the cushion block is positioned;
the outer sleeve needle comprises a tip part, a body part and a tail part, wherein the tip part is connected with the body part, the tail part is arranged at two sides of the tail end of the body part, the tip part is in a conical shape, the tip part is provided with a tip part cavity, the cushion block is arranged in the tip part cavity, the side seam is arranged at the joint of the tip part and the body part, a cavity communicated with the side seam is arranged in the body part, and the cavity and the tip part cavity form the pipe cavity;
the first component comprises a hook part, a first body part and a first tail part which are sequentially connected, the height of the hook part is smaller than that of the first body part, and the width of the first body part is smaller than that of the first tail part;
the second part comprises a head part, a second body part and a second tail part which are sequentially connected, and the width of the second tail part is larger than that of the second body part.
2. The device for guiding the submerged movement of the lumbar cistern drainage tube according to claim 1, wherein the side seam comprises two communicated sections from the outer side to the inner side of the outer sleeve needle, the first section is a straight line section, the second section is a bucket section, and the side part of the bucket section is communicated with the straight line section;
the top side of the second segment of the bucket segment is larger than the bottom side, and the top side of the second segment is enlarged toward the body.
3. The device for guiding the submerged drainage tube of the lumbar cistern according to claim 1, wherein the body is cylindrical, the cavity is a cylindrical cavity, and the tail is a tail fin arranged at two sides of the body.
4. The lumbar cistern drainage tube submerged entry guiding device according to claim 3, wherein the gap width between the hook portion and the first body portion is equal to or greater than the outer diameter of the lumbar puncture needle;
the cross section of the first body part is in a half 1/2 semicircle.
5. The device for guiding the submerged drainage tube of the lumbar cistern according to claim 1, wherein the cross section of the head of the second member is in the shape of a lower half 1/2 of a half arc, and the second body is in the shape of a lower half arc;
the upper edge of the head of the second part is blunt and round.
6. The device for guiding the submerged drainage tube of the lumbar cistern according to claim 3, wherein the inner side surface and the outer side surface of the hook part are arc-shaped, and the plane of the hook part is perpendicular to the lumbar puncture needle when in use.
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| CN201910759621.0A CN110368075B (en) | 2019-08-16 | 2019-08-16 | Submerged indwelling guiding device for drainage tube of lumbar cistern |
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| CN111110988B (en) * | 2020-01-10 | 2021-08-24 | 山东省千佛山医院 | Device for submerging drainage tube |
| CN111228629B (en) * | 2020-01-21 | 2021-11-16 | 济南市传染病医院 | Craniocerebral drainage tube submerged implantation device |
| CN115253041B (en) * | 2022-07-21 | 2024-04-12 | 长沙科众医疗科技有限公司 | Subcutaneous diving device of multicavity drainage tube |
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