CN101869508A - Intraspinal puncture director - Google Patents
Intraspinal puncture director Download PDFInfo
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- CN101869508A CN101869508A CN201010204275A CN201010204275A CN101869508A CN 101869508 A CN101869508 A CN 101869508A CN 201010204275 A CN201010204275 A CN 201010204275A CN 201010204275 A CN201010204275 A CN 201010204275A CN 101869508 A CN101869508 A CN 101869508A
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Abstract
The invention discloses an intraspinal puncture director, which comprises a positioning plate, wherein the positioning plate is provided with a positioning scale and a fixing plate; the fixing plate is provided with a measuring plate which has a measuring scale; and the starting points of the positioning plate and the measuring plate are on the same vertical plane. The director has the advantages that: the drawbacks of the prior art are overcome, the needle insertion of an intraspinal puncture needle can be directed from the outside of skin so as to allow the intraspinal puncture needle to enter a peridural gap accurately; a plurality of scales are provided to be selected according to the actual conditions of patients, so the clinic use is convenient, the puncturing accuracy and success rate can be improved and paints in the patients are relieved; and the structure is simple and reasonable, the cost is low, the manufacturing is easy, and the like.
Description
Technical field
The present invention relates to medical instruments field, specifically is the guide that can guide lancet puncture direction in the canalis spinalis in the canalis spinalis during puncture.
Background technology
Puncture occupies critical role in the canalis spinalis in clinical anesthesia and pain therapy, and more and more universal.But epidural space to 5CM, and has sclerotin and ligament to stop at the about 3CM of skin deep part, in the puncture procedure, relies on doctor's experience and sensation fully.In case deviation appears in the site of puncture, will influence anaesthetic effect, and repeated localised puncture will increase the generation probability of puncture complication in the canalis spinalis, patient is caused adverse effect.Therefore, be badly in need of the guide of puncture in a kind of canalis spinalis clinically, can outside skin, guide the inserting needle direction of puncture needle in the canalis spinalis, improve the success rate of one-time puncture.
Summary of the invention
The object of the present invention is to provide puncture direction guide in a kind of canalis spinalis, it can guide the inserting needle direction of puncture needle in the canalis spinalis outside skin, improve the success rate of one-time puncture.
The present invention for achieving the above object, be achieved through the following technical solutions: puncture direction guide in a kind of canalis spinalis, comprise location-plate, location-plate is provided with the location scale, mounting plate on the location-plate, install and measure plate on the fixing head, measure plate and be provided with the measurement scale, the scale starting point of location-plate and measurement plate is positioned on the same vertical.
Described location-plate be arranged in parallel with the measurement plate.
Described measurement plate bottom surface is H to the distance of location-plate end face, and H is a definite value.
Described distance H is 4cm, and the vertical thickness of measurement plate is 1cm, is provided with first at measurement plate lower surface and measures scale, is provided with the 3rd at measurement plate upper surface and measures scale, in measurement plate middle the second measurement scale is set.
Hand-held plate is installed on the described fixing head, and hand-held plate and measurement plate lay respectively at the fixing head both sides.
The position of described hand-held plate is provided with first left side at hand-held plate upper surface and measures scale between fixing head and measurement plate, at hand-held plate lower surface second left side is set and measures scale.
The moving slider that can slide on fixing head is installed on the described fixing head, is offered through hole on the moving slider, the direction of through hole installs and measures plate perpendicular to fixing head in the through hole, and fixing head is provided with vertical scale.
Described location-plate, fixing head and measurement plate are integrative-structures, and integral body is trapezoidal plate.
Described location-plate, fixing head and measurement plate are integrative-structures, are whole mold molding.
Beneficial effect of the present invention is: can solve the deficiency that exists in the known technology, can guide the inserting needle direction of puncture needle in the canalis spinalis outside skin, make it be punctured to epidural space accurately; Be provided with multi-scale, can select according to patient's practical situation, convenient clinical use improves puncture precision and puncture success rate, alleviates patient's slight illness; Simple for structure reasonable, with low cost, be easy to make etc.
Description of drawings
Accompanying drawing 1 is the structural representation of one of embodiment of the invention; Accompanying drawing 2 is structural representations of two of the embodiment of the invention; Accompanying drawing 3 is structural representations of three of the embodiment of the invention; Accompanying drawing 4 is user mode sketch maps of the present invention.
Label shown in the accompanying drawing: 1, hand-held plate; 2, location-plate; 3, fixing head; 4, location scale; 5, the 3rd measure scale; 6, second measure scale; 7, measure plate; 8, first measure scale; 9, moving slider; 10, through hole; 11, vertical scale; 12, scale is measured in first left side; 13, puncture needle; 14, scale is measured in second left side.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
The invention discloses puncture direction guide in a kind of canalis spinalis, agent structure comprises location-plate 2, and location-plate 2 is pressed close to site of puncture skin in use, realizes the present invention location.Location-plate 2 is provided with location scale 4, and mounting plate 3 on the location-plate 2, and described fixing head 3 can tilt be installed, and preferred version is perpendicular to location-plate 2, uses more conveniently, and ratio calculating is more prone to.The scale center of location-plate 2 is preferably in location-plate 2 middles, and is corresponding with fixing head 3 centrages, and the length of stretching out fixing head 3 two ends is 1.5cm-2.0cm preferably, and this size range can be fit to puncture to be used, and surpasses above-mentioned size, can cause waste of material.Install and measure plate 7 on fixing head 3, measure plate 7 and be provided with the measurement scale, the length of measuring plate 7 is greater than the one-sided length of location-plate 2, and the length of described measurement plate 7 is generally at 2.8cm-3.5cm.The scale starting point of location-plate 2 and measurement plate 7 is positioned on the same vertical.Among the present invention, in order to improve the puncture precision, described scale required precision is at 1mm.Overall structure of the present invention preferably adopts plastic material mold molding, both can reduce weight, and convenient the use can be reduced cost of manufacture again.
In the present invention, described location-plate 2 can adopt non-parallel setting with measurement plate 7, but the technical scheme of non-parallel setting can occur being difficult to quantitative scale in use, be difficult to measure the problem of puncture direction, thus location-plate 2 with measure 7 preferred employings of plate and be arranged in parallel.
Structure of the present invention has various embodiments, in conjunction with the accompanying drawings preferred embodiment is described:
As shown in Figure 1, the structure of one of embodiment of the invention is: described measurement plate 7 bottom surfaces (being the bottom of measurement plate 7 shown in Figure 1) is H to the distance of location-plate 2 end faces (being the top of location-plate 2 shown in Figure 1), and H is a definite value.Present embodiment, the distance that location-plate 2 and measurement plate are 7 is set to fixed range H, can calculate puncture position and angle conveniently according to the length of fixed range H, and it is the most convenient to use.
In one of embodiment, described distance H is 4cm preferably, and the vertical thickness of measurement plate 7 is 1cm preferably, is provided with first at measurement plate 7 lower surfaces and measures scale 8, be provided with the 3rd at measurement plate 7 upper surfaces and measure scale 5, be provided with second in measurement plate 7 middles and measure scale 6.Adopt the principle of above-mentioned value to be: normal human skin is generally 3cm-5cm to the distance of epidural space, and three measurement scales, corresponding 3cm respectively can distribute scale respectively, 4cm, these three the most frequently used distances of 5cm, that is: the first measurement scale, 8 corresponding skins are the situation of 4cm to the distance of epidural space, at this moment, the scale central point of location-plate 2 of the present invention is aimed at patient's spinal column median line, vertical skin and patient's spinal column median line are placed guide, on the first measurement scale of measuring on the plate 78, find puncture measurement point K, described puncture measurement point K is the twice of point of puncture J and location-plate 2 central point distances in the distance of measuring plate 7 central points, the line of puncture measurement point K and point of puncture J is the puncture direction of puncture needle.The 3rd measurement scale 5 corresponding skins are the situation of 3cm to the distance of epidural space, at this moment, the scale central point of location-plate 2 of the present invention is aimed at patient's spinal column median line, vertical skin and patient's spinal column median line are placed guide, on the 3rd measurement scale of measuring on the plate 75, find the puncture measurement point, described puncture measurement point is the twice of point of puncture and location-plate 2 central point distances in the distance of measuring plate 7 central points equally, the line of puncture measurement point and point of puncture is the puncture direction of puncture needle.The second measurement scale, 6 corresponding skins are the situation of 5cm to the distance of epidural space, at this moment, the scale central point of location-plate 2 of the present invention is aimed at patient's spinal column median line, vertical skin and patient's spinal column median line are placed guide, on the second measurement scale of measuring on the plate 76, find the puncture measurement point, described puncture measurement point is point of puncture and location-plate 2 central point distances 1.7 times in the distance of measuring plate 7 central points, the line of puncture measurement point and point of puncture, be the puncture direction of puncture needle, and according to the aforementioned proportion relation, second a graduated scale can be set to 0.85cm.This structural framing is ingenious, when the doctor estimates skin after the distance of epidural space according to patient's concrete condition, can select the most suitable scale to carry out puncture procedure, need not complicated calculating, and is easy to operate, is easy to use.In the present embodiment, can measure scale 8, second first and measure mark " 4,5,3, " three scales on the corresponding measurement plate 7 of scale 6 and the 3rd measurement scale 5, the skin of having represented described measurement scale correspondence respectively is to the distance of the epidural space corresponding scale by " 4cm, 5cm, 3cm ", show clearly, the easy operating personnel use.In the present embodiment, described normal human skin only is to puncture with reference to using as operator to the distance " 3cm/4cm/5cm " of epidural space, and it has certain deviation in concrete operations, also need operator to finely tune.
The further embodiment of present embodiment is: for the ease of using, the handled easily personnel use, and hand-held plate 1 preferably is installed on fixing head 3, hand plate 1 and measure plate 7 to lay respectively at fixing head 3 both sides.Operator can hold hand-held plate 1 and position when use is of the present invention.In the present embodiment, be further characterized in that: the position of described hand-held plate 1 is between fixing head 3 and measurement plate 7.Its particular location and thickness have multiple, the preferred specific embodiment is: the vertical thickness of described hand-held plate 1 is 0.5cm, hand-held plate 1 upper surface is L to the distance of location-plate 2 end faces, distance L is 2cm, at hand-held plate 1 upper surface first left side is set and measures scale 12, at hand-held plate 1 lower surface second left side is set and measures scale 14.In the present embodiment, described first left side measurement scale, 12 corresponding skins are the situation of 4cm to the distance of epidural space, at this moment, hand-held plate 1 upper surface is 1: 2 with skin to the ratio of the distance of epidural space just in time to the distance of location-plate 2 upper surfaces, find the puncture measurement point this moment on measurement plate 7, the puncture measurement point is 3: 2 in the ratio of the distance of hand-held version 1 and central point and point of puncture and location-plate 2 central point distances, and corresponding scale unit proportionally is provided with and gets final product.Second left side measurement scale, 14 corresponding skins are the situation of 5cm to the distance of epidural space, hand-held plate 1 lower surface is 1: 2 with skin to the ratio of the distance of epidural space just in time to the distance of location-plate 2 upper surfaces, find the puncture measurement point this moment on hand-held plate 1, the puncture measurement point the distance of hand-held plate 1 central point and point of puncture and location-plate 2 central point distances ratio be 1.5: 1, corresponding scale unit proportionally is provided with and gets final product.Simultaneously, in the present embodiment, also can on the corresponding hand-held plate 1 of first left side measurement scale 12, second left side measurement scale 14, mark " 4,5 " two scales, the skin of having represented described measurement scale correspondence respectively is to the distance of the epidural space corresponding scale by " 4cm, 5cm ", show clearly, the easy operating personnel use.On hand-held plate 1 scale is set, used the location when location and epidural needle were punctured to certain depth when being fit to puncture from top to bottom.Among the present invention, the thickness of described hand-held plate 1 and particular location also have multiple scheme, and its principle is identical with above-mentioned principle, is not described in detail at this.The length of described hand-held plate 1 is 3cm-5cm, makes things convenient for user to grip and the location.
As shown in Figure 2, two of the embodiment of the invention structure is: the moving slider 9 that can slide on fixing head 3 is being installed on the fixing head 3.Offer through hole 10 on the described moving slider 9, the direction of through hole 10 installs and measures plate 7 perpendicular to fixing head 3 in the through hole 10, measures plate 7 and can move in through hole 10.Fixing head 3 is provided with vertical scale 11.The advantage of present embodiment is that it is adjustable with the distance of location-plate 2 to measure plate 7, and the measuring distance of measuring plate 7 is adjustable, can make operator, and according to patient's concrete condition, and the concrete condition of puncture position is carried out size adjusting, the precision thereby raising is punctured.Moving slider described in the present embodiment 9 can also be to adopt drawing device, utilizes pull to realize that the vertical direction of measuring plate 7 moves, and its operating principle is same as the previously described embodiments, is not described in detail in this.
As shown in Figure 3, three of the embodiment of the invention structure is: described location-plate 2, fixing head 3 and measurement plate 7 are integrative-structures, and integral body is trapezoidal plate.This embodiment, simple for structure, to make easyly, cost is low.
Location-plate 2 of the present invention, fixing head 3 and the measurement plate 7 preferred integrative-structures that adopt can be whole mold molding.
When the present invention punctures in the dypass canalis spinalis, (distance H adopts preferred size as shown in Figure 4, be that distance H is 4cm), at first determine the puncture gap and otherly open (the local anaesthesia point is the J point) after certain distance (as the figure middle distance A) local anaesthesia, scale starting point alignment patient spinal column median line with location-plate 2 of the present invention, vertical skin and patient's spinal column median line are placed guide, the predetermined point of puncture (local anaesthesia place) of measurement (is a distance A to the vertical dimension of median line, suppose 1.2cm), estimate skin and (be generally 3cm to 5cm to the vertical dimension B of epidural space, be assumed to be 4cm, be 4cm promptly) apart from B, adopt second of 4cm correspondence to measure scale 6, (described puncture measurement point i.e. the terminal point K of distance D shown in the figure to find corresponding puncture measurement point K then on measurement plate 7, according to geometry principle, distance D is 2.4cm), the line of then measuring puncture on the plate 7 measurement point K and local anaesthesia point J (being point of puncture) is exactly the puncture direction that is punctured to the canalis spinalis internal clearance.
Each scale of the present invention can be positioned at the side, can also be positioned at adjacent end face or bottom surface.
Claims (9)
1. puncture direction guide in the canalis spinalis, it is characterized in that: comprise location-plate (2), location-plate (2) is provided with location scale (4), location-plate (2) is gone up mounting plate (3), install and measure plate (7) on the fixing head (3), measure plate (7) and be provided with the measurement scale, the scale starting point of location-plate (2) and measurement plate (7) is positioned on the same vertical.
2. puncture direction guide in a kind of canalis spinalis according to claim 1, it is characterized in that: location-plate (2) be arranged in parallel with measurement plate (7).
3. puncture direction guide in a kind of canalis spinalis according to claim 2 is characterized in that: measurement plate (7) bottom surface is H to the distance of location-plate (2) end face, and H is a definite value.
4. puncture direction guide in a kind of canalis spinalis according to claim 3, it is characterized in that: distance H is 4cm, the vertical thickness of measuring plate (7) is 1cm, be provided with first at measurement plate (7) lower surface and measure scale (8), be provided with the 3rd at measurement plate (7) upper surface and measure scale (5), be provided with second in measurement plate (7) middle and measure scale (6).
5. according to puncture direction guide in claim 1,2,3 or 4 each described a kind of canalis spinalis, it is characterized in that: fixing head (3) is gone up hand-held plate (1) is installed, and hands plate (1) and measure plate (7) to lay respectively at fixing head (3) both sides.
6. puncture direction guide in a kind of canalis spinalis according to claim 5, it is characterized in that: the position of hand-held plate (1) is positioned at fixing head (3) and measures between the plate (7), at hand-held plate (1) upper surface first left side is set and measures scale (12), at hand-held plate (1) lower surface second left side is set and measures scale (14).
7. puncture direction guide in a kind of canalis spinalis according to claim 1 and 2, it is characterized in that: fixing head (3) is gone up installation can go up the moving slider (9) that slides at fixing head (3), offer through hole (10) on the moving slider (9), the direction of through hole (10) is perpendicular to fixing head (3), install and measure plate (7) in the through hole (10), fixing head (3) is provided with vertical scale (11).
8. puncture direction guide in a kind of canalis spinalis according to claim 1, it is characterized in that: described location-plate (2), fixing head (3) and measurement plate (7) are integrative-structures, and integral body is trapezoidal plate.
9. puncture direction guide in a kind of canalis spinalis according to claim 1, it is characterized in that: described location-plate (2), fixing head (3) and measurement plate (7) are integrative-structures, are whole mold molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102042759A CN101869508B (en) | 2010-06-21 | 2010-06-21 | Intraspinal puncture director |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102042759A CN101869508B (en) | 2010-06-21 | 2010-06-21 | Intraspinal puncture director |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101869508A true CN101869508A (en) | 2010-10-27 |
| CN101869508B CN101869508B (en) | 2012-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102042759A Expired - Fee Related CN101869508B (en) | 2010-06-21 | 2010-06-21 | Intraspinal puncture director |
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| Country | Link |
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| CN (1) | CN101869508B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618753A (en) * | 2016-12-26 | 2017-05-10 | 西安交通大学医学院第附属医院 | Noninvasive hepatic fibrosis detection and localization marking device for patients with liver cirrhosis |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2341570Y (en) * | 1998-08-24 | 1999-10-06 | 姚凤鸣 | Simple intracranial puncture guide instrument |
| CN2810518Y (en) * | 2005-03-15 | 2006-08-30 | 段崇浩 | Simple positioning ruler for intracranial hematoma puncture point |
| CN201005763Y (en) * | 2007-03-21 | 2008-01-16 | 李青 | Self-tapping puncture needle for centrum forming operation |
| CN201692060U (en) * | 2010-06-21 | 2011-01-05 | 胡战兵 | Intraspinal puncture direction guide |
-
2010
- 2010-06-21 CN CN2010102042759A patent/CN101869508B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2341570Y (en) * | 1998-08-24 | 1999-10-06 | 姚凤鸣 | Simple intracranial puncture guide instrument |
| CN2810518Y (en) * | 2005-03-15 | 2006-08-30 | 段崇浩 | Simple positioning ruler for intracranial hematoma puncture point |
| CN201005763Y (en) * | 2007-03-21 | 2008-01-16 | 李青 | Self-tapping puncture needle for centrum forming operation |
| CN201692060U (en) * | 2010-06-21 | 2011-01-05 | 胡战兵 | Intraspinal puncture direction guide |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618753A (en) * | 2016-12-26 | 2017-05-10 | 西安交通大学医学院第附属医院 | Noninvasive hepatic fibrosis detection and localization marking device for patients with liver cirrhosis |
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| Publication number | Publication date |
|---|---|
| CN101869508B (en) | 2012-07-25 |
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Granted publication date: 20120725 Termination date: 20130621 |