CN105327438A - Method for positioning injection needle and injection set - Google Patents
Method for positioning injection needle and injection set Download PDFInfo
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- CN105327438A CN105327438A CN201510593919.0A CN201510593919A CN105327438A CN 105327438 A CN105327438 A CN 105327438A CN 201510593919 A CN201510593919 A CN 201510593919A CN 105327438 A CN105327438 A CN 105327438A
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- optical
- light source
- cover group
- detection device
- injection
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Abstract
The invention provides a method for positioning an injection needle and an injection set. The injection set comprises an optical probe, an optical fiber connecting lead and an optical detector, and an optical fiber joint is arranged inside the optical probe and used for being connected with a fixing handle. A doctor is helped to judge successful puncture more accurately by means of objective identification, and complications such as postoperative headache, hemorrhage or perforation caused by an improper medical puncture needle. Difference in tissue constitution of human bodies is utilized, different tissues have different reflective and fluorescent characteristics to light different in wavelength, different tissues are different in optical absorptivity and refractive index, and the objective of special positioning can be achieved by recognizing the tissues.
Description
Technical field
The present invention is applied to Minimally Invasive Surgery, is especially applied to spinal cord peridural anesthesia, organizes identification clinical operation, and as postoperative analgesia or painless delivery, in abdominal operation, intestinal glues glutinous differentiation etc.
Background technology
Mostly must rely at present anesthetist clinically through experience for many years and technology to judge whether puncture needle arrives spinal epidural cavity.Traditionally, topmost identification method is the resistance that the feel of doctor removes to experience ligamenta flava, and in this, as the important indicator that judges, but the resistance of ligamenta flava is different along with differences such as age, sex and builds.Such as, the ligamenta flava elasticity of old old man is poor.The anemia of pregnant woman seldom moved or the people of obesity, the resistance that its ligamenta flava tissue causes also may be less.If the feel of anesthetist is in poor shape during anesthesia, doctor is not easy to experience and judges, just may wear out dura mater and slip up, and causes patient to have the sequela such as headache after surgery.
Clinically in Wicresoft's abdominal operation, because middle-aged women great majority have the sticky glutinous phenomenon of intestinal, therefore first must play a hole inflation at abdominal part before Minimally Invasive Surgery, allow abdominal part inflate, facilitate operation to carry out.Suppose that doctor first hole is beaten and be stained with glutinous place at intestinal, now intestines are just damaged, Minimally Invasive Surgery failure.
Therefore, how can find a kind of effective auxiliary detector, can using objectively and the assisting as basis for estimation of science, help anesthetist when implementing peridural anesthesia, except relying on subjective experience and technology, also can there is other more objective standard and judgment, become a problem of research worker exploration with the correctness increasing assist physicians's detecting.
Summary of the invention
For this reason, the invention provides a kind of method and injection cover group of locating injection syringe needle, so that such as clinically when performing lumbar puncture anesthesia, customer service only can rely on the experience of anesthetist and technology to judge whether puncture needle arrives spinal epidural cavity, extremely lack the drawback of objectivity, quantifiablely standard is judged by one, the optical characteristics of detecting biological tissue, the numerical value of anaclasis different for tissue itself with reflection gained is quantized, significantly to promote the degree of accuracy of administration of anaesthetic operation, lower operation risk.
So, the invention provides a kind of injection cover group that syringe needle positioning function is provided, it utilizes the different densities and drag characteristic of differentiating individual tissue to locate syringe needle, comprise: (a) swapping type optical identification pin, its inside comprises two or more optical fiber, connect light source and light detection device respectively, this optical identification pin as the sub-pin of trocar group, and is seated in anaesthetic puncture needle; B () connecting fiber wire, for the sub-pin of connecting fiber and detection device; C () light source, carries out for providing light source organizing identification; (D) a detection device, for detecting the drag characteristic of individual tissue.
Described swapping type optical identification pin, its tail end is a handle, includes fiber optic connector, and this coupling allows optical identification pin connect light source and detection device fast.
Described optical fiber be can allow the light sent from light source be communicated to sub-needle tip the tissue that stings, and the reflected light of this tissue or fluorescence are conveyed to light detection device.When this number of fibers is greater than for the moment, then can be the importing approach of incident illumination by the optical fiber designs of a part, another part be then designed to the derivation approach of reflected light and fluorescence.
Because different tissues can show different optical characteristics because of the difference of its constituent, such as muscular tissue and fatty tissue its to form part different, but or else with organize also can difference to some extent, as laser fluorescence value and reflected light values all can be different under different lambda1-wavelengths, therefore the light detection device that the present invention injects in cover group utilizes this principle exactly, detecting group of individuals is woven in the reflected light of different wave length or frequency multiplication photon or fluorescence excitation value, to provide the information of this tissue aspect to assist the position judging that aforementioned female pin and sub-needle tip arrive.Further, described injection cover group is applied to peridural anesthesia, is that a research of the present invention finds.
Detection device in the present invention can allow user sets itself, makes it when optical identification needle point arrives particular organization, initiatively sends the signal that puts in place to the attention device connected, and allows attention device can with flash of light or song to inform user.
The present invention injects and substitutes formula pin in cover group, then can be drawn out of when it arrives destination organization, and replace by the injection catheter, send into after in subject along female pin smoothly at injection catheter subsequently, female pin is also removed, to complete the storing of injection catheter.Said injector conduit is general injection catheter, can by foreign substance as the liquid infusion such as anesthetics or normal saline solution enters in subject.
The present invention also provides a kind of utilization to differentiate that the different optical characteristic of individual tissue carrys out the method for localised puncture syringe needle, comprising: the swapping type optical identification pin that contains optical fiber is inserted a hollow anaesthetic puncture needle by (a), is combined into a puncture cover group; B (), by this Fiber connection to one light source and a smooth detection device, the optical characteristics of the individual tissue of this light detection device system detecting is to provide the information of this tissue aspect; And aforementioned puncture cover group is inserted individual by (c), and the position that the tip of organizing aspect information to puncture described in interpretation cover group provided by light detection device arrives.
In the method for above-mentioned locating injection syringe needle, the optical characteristics that this light detection device is detected is material at the reflected light values of different wave length or fluorescent value, and user can this light detection device of sets itself, making it when judging that above-mentioned puncture cover group arrives destination organization, user can be informed with sound and light signal or other warning way.When this, the swapping type optical identification pin containing optical fiber can be extracted out and be replaced with an injection catheter by user, is detached by anaesthetic puncture needle more subsequently, so, accurately injection catheter can be placed in the ad-hoc location in subject.In addition, this method also can be carried out by the various assemblies disclosed by above-mentioned cover group.
Accompanying drawing explanation
Fig. 1 is the vertical section schematic diagram of mankind's ridge (posterior) outwardly;
Fig. 2 is the structural representation of feeling of stress chaining pin;
Fig. 3 is the detecting schematic diagram of feeling of stress chaining pin.
Detailed description of the invention
The main idea of the present invention is the difference utilizing organism respectively to organize composition part, the light of each tissue to different wave length has the optical characteristics of different absorptions and reflection and fluorescence Raman, be projeced in biological tissue by the light source of several different-waveband through optical fiber, differentiate tissue optical characteristics come identification puncture needle which kind of tissue in or can accurately in biological tissue, the surface of organ is reached and is specifically located object, more specifically treats or perform the operation.This technology can use specific light source irradiation tissue, and identification Tissue Blood oxygen amount, or bioluminescence, reach distinguishing of harmful structure, the effect of the diagnosis autotherapy that progresses greatly.
This patent with spinal dura mater anesthesia for real case:
Local anesthetic injects in spinal epidural cavity (epiduralspace) by spinal dura mater anesthesia (epiduralanesthesia), spinal nerves is done reversible, to obtain the method for anaesthetic effect, also referred to as spinal dura mater Interruption (epiduralblock), this is one of half body anesthesia of often using of surgical operation.For anesthetist, when carrying out this anesthesia surgery, the problem of most critical is exactly the position being accurately to differentiate spinal epidural cavity.First with the viewpoint of anatomical physiology, as shown in Figure 1, spinal epidural cavity is a potential chamber between spinal dura mater (duralmater) and ligamenta flava (ligamentumflavum), be a very narrow cavity, also therefore cause the degree of difficulty of detecting when implementing this anesthesia and location.This cavity has the different difference of width because the build of people is different with the age again, and normal, in waist center, place is the widest, and its width is 3-6mm, and is only 1-5mm at middle chest.If accidentally wear out dura mater, gently then the sequela such as patient's Headache (post-duralpunctureheadache, PDPH) can be caused, heavy then have the importance of the danger therefore known correct puncture of infringement spinal cord.
Fig. 1 is the vertical section schematic diagram of mankind's ridge (posterior) outwardly.
Following embodiment further illustrates the present invention.They are only for illustration of the present invention, and illustrate the various advantages of specific embodiment of the present invention, but do not represent that the present invention is confined to this kind of mode and presents.
The present invention can be applicable to peridural anesthesia, different tissues can show different optical characteristics because of the difference of its constituent, such as fluorescent value and reflected light values all can be different under different lambda1-wavelengths, therefore the present invention utilizes this principle, by traditional peridural anesthesia in conjunction with optical detecting method, improve anesthesia surgery degree of accuracy.
Fig. 1 is the vertical section schematic diagram of mankind's ridge (posterior) outwardly, and vertebrae is not drawn into, but linked groups's relative position anatomically shows it with English alphabet.The Zhen Yi Blue color pointed cone of peridural anesthesia represents.Periosteummembrane is the periosteum of vertebrae, not necessarily can encounter in the progradation of pin.
Embodiment 1: utilize tissue optical property difference to detect and organize the injection cover group of aspect to inject in cover group in the present invention, the optical identification pin of the present invention can insert a puncture needle, and puncture needle needle tip can puncture into as biological tissues such as skin, muscle, fat or mucosas.Optical identification pin is similarly a hollow design, but its center is then insert optical fiber, and optical fiber and identification pin is glued together with optical cement at the tip of identification pin, and the external form of its pin wears into the shape be harmonious with female pin, and the coupling of handle inside then received by the optical fiber of another end.
Fig. 2 is that the present invention detects mode schematic diagram, the light that in figure, light source 201 sends imports the optical fiber in identification pin by photoconduction line 202, and focus on tissue 208 through the object lens 203 of identification needle tip, and organize institute's reflected light or frequency multiplication photon or fluorescence excitation value light can penetrate light echo detection device 205 by former approach 204, the device of light detection afterwards again by detected signal transmission to computer 206 datumization in addition, and organize signal to user as basis for estimation by display screen 207 to provide.
Embodiment 2: the design of light detection device
Conclusions is made detecting system that photoelectric subassembly integrates to realize our object by Fig. 4.In Fig. 4, control circuit 401 can control two groups of lasers to do mutually anti-phase regulating type pulse output, and namely when A laser light source 402 is opened, B laser light source 403 becomes closes, and vice versa.These two groups of laser light penetrate via path-splitting device 1.Light is recorded separately device 2 405 through light and is entered tissue samples 410 through fiber coupler 409, turns back to optical branching device 2 405 through reflection or fluorescence excitation tailing edge path.Deliver to optical detector 406, photoelectricity signal is resent to analysis circuit 407.Afterwards, just deliver to control circuit 401 and do relevant signal process, be finally presented on signal display 408 with the ratio of reflected value or fluorescent value.
In accompanying drawing, 101 is probe, and 102 is fiber coupler, and 103 is photoconduction coupling, 104 is light path, and 201 is source, and 202 is photoconduction coupling, 203 is incident illumination approach, 204 is reflected light approach, and 205 is optical-electrical converter, and 206 is signal processor, 207 is display screen, 208 is tissue to be measured, and 401 is control circuit, and 402 is light source one, 403 is light source two, 404 be path-splitting device one, 405 be path-splitting device two, 406 is optical detector, 407 is signal processor, 408 is display, and 409 is optical-fibre needle bonder, and 410 is sample to be tested.
The present invention is described in detail, and there is obvious example, any its people for basic skills in this area can both use it and do various substitute, modify or improve, but clearly, these all can not be separated one and know this field those skilled in the art and can realize the present invention very soon and can be easy to reach target with spirit of the present invention and invention scope, and obtain the result and advantage mentioned, and those are present in thing wherein.The detecting making spinal cord epidural space with fiber optics method is the representative of preferred embodiment, and it is for exemplary and be not only confined to field of the present invention.Know this those skilled in the art will expect wherein revising part and other purposes.These amendments all lie in spirit of the present invention, and define in claim.
Know this field those skilled in the art obviously can very fast by herein the invention that discloses do various different replacement and change, and do not violate scope of invention and spirit.The all patents mentioned in description and publication, all to be as the criterion with the general skill of invention related fields.This according to reference data by all patents and publication and to same range, as according to reference data each by specifically and the indivedual publications pointed out individually merge situations.
In the invention that this suitably illustrates, can at any important document of shortage, perhaps many important documents, restrictive condition or not implement specifically under limited case disclosed herein.Therefore for example, comprise in each example of this paper, at least containing and the noun such as to contain, wherein any one all can replace with two other.The noun used and expression are description as description and unrestricted, have no intent to use simultaneously this kind of be equal to shown and explanations except any feature or its partly except noun and expression, but what need see clearly is various different changes, likely in patent claim of the present invention.Therefore, although should be appreciated that and specifically disclose the present invention according to preferred embodiment and arbitrary feature, know this those skilled in the art and still can revise and change wherein disclosed content, modifications and variations like this are still in the claim of the present invention.
Claims (10)
1. inject a cover group, it is characterized in that, comprising:
An optical detection pin, comprises one or one or more optical fiber in its center hole; And
Inside is provided with fibre-optical splice, for being connected and fixed handle;
A Fiber connection wire, for connecting optical detection pin and detection device;
An optics detection device, wherein comprises a laser light source and optical detector.
2. injection cover group according to claim 1, is characterized in that, wherein containing optical fiber substitute formula pin lie in female pin arrive particular organization position time be drawn out of, and replace by the injection catheter.
3. injection cover group according to claim 1, is characterized in that, also comprise:
One smooth detection device, for detecting the optical characteristics of individual tissue; And
One light source, provides the incident light source that aforementioned smooth detection device is required;
Described smooth detection device is connected with the optical fiber in described sub-pin with light source system.
4. injection cover group according to claim 1, is characterized in that, described smooth detection device is the spectral characteristic ratio that detecting group of individuals is woven in different wave length, to provide the information of this tissue aspect to assist the location of aforementioned female pin and sub-needle tip.
5. injection cover group according to claim 1, it is characterized in that, described light source can provide the light of two or more different wave length, and described light source can be laser light source, LED light source or white light source.
6. the injection cover group according to claim 1 to 6 any one, is characterized in that, described injection cover group is used for peridural anesthesia.
7. utilize and differentiate that individuality organizes different optical characteristic to carry out a method for locating injection syringe needle, it is characterized in that, comprising:
A swapping type optical identification pin that () contains optical fiber by one inserts aircraft carrier pin in, is combined into a puncture cover group;
B (), by this Fiber connection to one light source and a smooth detection device, this light detection device is that the optical characteristics of the individual tissue of detecting is to provide the information of this tissue aspect; And
C aforementioned puncture cover group is inserted individual by (), and the position that the tip of organizing aspect information to carry out interpretation aforementioned puncture cover group provided by light detection device arrives.
8. method according to claim 7, is characterized in that, described optical characteristics refers to that material is in the reflection of different wave length or fluorescence excitation or frequency multiplication photon intensity ratio value.
9. method according to claim 8, is characterized in that, wherein containing the swapping type optical identification pin of optical fiber be drawn out of when described puncture cover group arrives particular organization position and replace by the injection catheter.
10. the method according to claim 7 to 9 any one, is characterized in that, the method is used for peridural anesthesia.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510593919.0A CN105327438A (en) | 2015-09-17 | 2015-09-17 | Method for positioning injection needle and injection set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510593919.0A CN105327438A (en) | 2015-09-17 | 2015-09-17 | Method for positioning injection needle and injection set |
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| CN105327438A true CN105327438A (en) | 2016-02-17 |
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| CN201510593919.0A Pending CN105327438A (en) | 2015-09-17 | 2015-09-17 | Method for positioning injection needle and injection set |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11642182B2 (en) * | 2016-09-27 | 2023-05-09 | Brainlab Ag | Efficient positioning of a mechatronic arm |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080097378A1 (en) * | 2006-08-02 | 2008-04-24 | Zuckerman Stephen D | Optical device for needle placement into a joint |
| US20120157855A1 (en) * | 2003-11-11 | 2012-06-21 | Soma Access Systems, Llc | Ultrasound Guided Probe Device and Method of Using Same |
| CN102920512A (en) * | 2012-11-13 | 2013-02-13 | 江台安 | Method for locating injection kit |
| CN205379539U (en) * | 2015-09-17 | 2016-07-13 | 伊达医疗器材科技股份有限公司 | Injection kit |
-
2015
- 2015-09-17 CN CN201510593919.0A patent/CN105327438A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120157855A1 (en) * | 2003-11-11 | 2012-06-21 | Soma Access Systems, Llc | Ultrasound Guided Probe Device and Method of Using Same |
| US20080097378A1 (en) * | 2006-08-02 | 2008-04-24 | Zuckerman Stephen D | Optical device for needle placement into a joint |
| CN102920512A (en) * | 2012-11-13 | 2013-02-13 | 江台安 | Method for locating injection kit |
| CN205379539U (en) * | 2015-09-17 | 2016-07-13 | 伊达医疗器材科技股份有限公司 | Injection kit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11642182B2 (en) * | 2016-09-27 | 2023-05-09 | Brainlab Ag | Efficient positioning of a mechatronic arm |
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