CN205379539U - Injection kit - Google Patents

Abstract

The utility model provides an injection kit, injection kit includes: the optical detection needle, inside is provided with optical fiber splice for connect fixed handle, optic fibre connecting wire, optics detection ware. Successfully puncture with the more accurate judgement of objective differentiation mode help doctor, avoid the medical pjncture needle improper and lead to the fact the postoperative to have a headache, lose blood or complication such as perforation. The utility model discloses utilize and humanly respectively to organize the difference of composition, and the light that possess different wavelength has different reflection and fluorescence, it has the different optical absorption to rate and the refracting index to listen different tissues simultaneously, therefore reaches the purpose of special location by discerning the tissue.

Description

Injection set group

Technical field

This utility model is applied to Minimally Invasive Surgery, is applied especially to spinal cord peridural anesthesia, organizes identification clinical operation, and such as postoperative analgesia or painless delivery, in abdominal operation, intestinal glues glutinous differentiation etc..

Background technology

Anesthetist mostly must be relied at present to judge whether puncture needle arrives spinal epidural cavity clinically through experience for many years and technology.Traditionally, topmost identification method is the resistance that the feel of doctor removes to experience ligamenta flava, and in this, as an important indicator judged, but the resistance of ligamenta flava is different and different along with age, sex and build etc..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 is likely to less.If the feel of anesthetist is in poor shape during anesthesia, doctor is not easy impression and judges, it is possible to wears out dura mater and slips up, causes patient to have the sequela such as headache after surgery.

Clinically in Wicresoft's abdominal operation, owing to middle-aged women great majority have the viscous 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.Assuming that first hole of doctor is beaten and be stained with glutinous place at intestinal, now intestines are just damaged, Minimally Invasive Surgery failure.

Therefore, one how can be found effectively to assist detector, can using objectively and the auxiliary of science as basis for estimation, help anesthetist when implementing peridural anesthesia, outside subjective experience and technology, also having other more objective standard and judgment, the correctness to increase assist physicians's detecting becomes the problem that research worker is explored.

Utility model content

For this, this utility model provides a kind of injection set group, so that such as clinically when performing lumbar puncture anesthesia, overcome and be only capable of relying on the experience of anesthetist and technology to judge whether puncture needle arrives spinal epidural cavity, extremely lack the drawback of objectivity, quantifiable judge standard by one, the optical characteristics of detecting biological tissue, the numerical value of anaclasis different for tissue itself with reflection gained is quantified, so that the degree of accuracy of administration of anaesthetic operation is substantially improved, is lowered operation risk.

Then, this utility model provides a kind of injection set group providing syringe needle positioning function, it is that the different densities and drag characteristic that utilize and differentiate individuality tissue are to position syringe needle, including: (a) swapping type optical identification pin, two or above optical fiber is comprised inside it, connecting light source and light detection device respectively, this optical identification pin is as the sub-pin of trocar group, and is seated in anaesthetic puncture needle；B () connection optic fibre wire, is used for connecting the sub-pin of optical fiber and detection device；C () light source, is used for providing light source to carry out tissue 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 is to allow optical identification pin quickly connect light source and detection device.

Described optical fiber is to allow the light sent from light source be communicated to the tissue that sub-needle tip is stung to, and reflection light or the fluorescence of this tissue are conveyed to light detection device.When this number of fibers is more than for the moment, then can by the importing approach that optical fiber designs is incident illumination of a part, another part is then designed as the derivation approach of reflection light and fluorescence.

Owing to different tissues can show different optical characteristics because of the difference of its constituent, its composition part of such as muscular tissue and fatty tissue is different, but or else with tissue also can difference to some extent, as laser fluorescence value all can be different under different lambda1-wavelengths from reflected light values, therefore the light detection device in this utility model injection set group utilizes this principle exactly, detecting group of individuals is woven in reflection light or the frequency multiplication photon of different wave length or excites fluorescent value, with the position providing the information of this tissue aspect to assist to judge aforementioned female pin to arrive with sub-needle tip.Further, described injection set group is applied to peridural anesthesia, is that a research of the present utility model finds.

Detection device in this utility model can allow user sets itself so that it is when optical identification needle point arrives particular organization, actively sends the signal that puts in place to the attention device connected, and allows the attention device can with flash of light or song to inform user.

This utility model injection set group substitutes formula pin, then can be drawn out of when it arrives destination organization, and replaced by an injection catheter, to 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 be entered in subject by the foreign substance such as liquid infusion such as anesthetics or normal saline solution.

This utility model also provides for a kind of method utilizing the different optical characteristics differentiating individuality tissue to carry out localised puncture syringe needle, including: the swapping type optical identification pin that contains optical fiber is inserted a hollow anaesthetic puncture needle by (a), is combined into a puncture set group；B this optical fiber is connected to a light source and a smooth detection device by (), the optical characteristics of this light detection device system detecting individuality tissue is to provide the information of this tissue aspect；And aforementioned puncture set group is inserted individuality by (c), and the tissue aspect information provided by light detection device to puncture described in interpretation the most advanced and sophisticated position arrived of set group.

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, make it when judging that above-mentioned puncture set group arrives destination organization, it is possible to inform user 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, injection catheter accurately can be placed in the ad-hoc location in subject.Additionally, this method can also be carried out by the various assemblies disclosed by above-mentioned set 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 this utility model is the difference utilizing organism respectively to organize composition part, the light of different wave length is had the different optical characteristics absorbed with reflection and fluorescence Raman by each tissue, it is projeced in biological tissue by the light source of several different-wavebands 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 positioned purpose, then carries out specifically treatment or operation.This technology can use specific light source irradiation tissue, identification Tissue Blood oxygen amount, or bioluminescence, reaches distinguishing of harmful structure, the effect of the diagnosis autotherapy that progresses greatly.

This patent is with spinal dura mater anesthesia for real case:

Local anesthetic is injected in spinal epidural cavity (epiduralspace) by spinal dura mater anesthesia (epiduralanesthesia), spinal nerves is done reversible, with the method obtaining 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 be in that accurately to differentiate the position of 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), it is an extremely narrow cavity, also thus results in the degree of difficulty of detecting when implementing this anesthesia and location.This cavity has, because the build of people is different with the age, the difference that width is different again, normal, and the widest at waist center place, its width is 3-6mm, and is only 1-5mm at middle chest.If accidentally wearing out dura mater, the sequela such as patient's Headache (post-duralpunctureheadache, PDPH) gently then can be caused, heavy then have the danger of infringement spinal cord it may thus be appreciated that the correct importance punctured.

Fig. 1 is the vertical section schematic diagram of mankind's ridge (posterior) outwardly.

Following embodiment further illustrates this utility model.They are merely to illustrate this utility model, and illustrate the various advantages of this utility model specific embodiment, but do not indicate that this utility model is confined to this kind of mode and presents.

This utility model can be applicable to peridural anesthesia, different tissues can show different optical characteristics because of the difference of its constituent, such as fluorescent value all can be different under different lambda1-wavelengths from reflected light values, therefore this utility model 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 the relative position that linked groups is anatomically is to show it with English alphabet.The pin of peridural anesthesia represents with blue pointed cone.Periosteummembrane is the periosteum of vertebrae, not necessarily can encounter in the progradation of pin.

Embodiment 1: utilize the injection set group of tissue optical property difference detecting tissue aspect to inject in set group at this utility model, the optical identification pin of this utility model can insert a puncture needle, and puncture needle needle tip can puncture into such 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 with optical cement, optical fiber is glued with identification pin at the tip of identification pin, and the external form of its pin wears into the shape being harmonious with female pin, and the coupling of handle inside then received by the optical fiber of another end.

Fig. 2 is this utility model detecting mode schematic diagram, the light that in figure, light source 201 sends is imported the optical fiber in identification pin by light wire 202, and the object lens 203 through identification needle tip focus on tissue 208, and organize reflected light or frequency multiplication photon or excite fluorescent value light can be emitted back towards light detection device 205 by former approach 204, the device of light detection afterwards is again by the signal transmission that detects to computer 206 in addition datumization, and is organized signal to user as basis for estimation by display screen 207 providing.

In accompanying drawing 1,101 is detection pin, 102 is fiber coupler, and 103 is photoconduction coupling, and 104 is light path, in accompanying drawing 2,201 is source, 202 is photoconduction coupling, and 203 is incident illumination approach, and 204 is reflection light approach, 205 is optical-electrical converter, 206 is signal processor, and 207 is display screen, and 208 is tissue to be measured.

This utility model is described in detail, and there is obvious example, it is any that it can both use it for the people of basic skills and do various replacement, modification or improvement in this area, it is apparent that ground, these all can not separate one and know this field those skilled in the art and can quickly realize this utility model and can be easy to reach target with spirit of the present utility model and utility model scope, and obtain the result and advantage that are previously mentioned and those things being contained therein.Doing, with optical fiber optical method, the representative that the detecting of spinal cord epidural space is preferred embodiment, it is for exemplary and be not only limited to this utility model field.Know this those skilled in the art to will appreciate that and wherein can revise part and other purposes.These amendments all lie in spirit of the present utility model, and define in claim.

Know this field those skilled in the art and obviously can quickly utility model disclosed herein be done various different replacement and change, and do not violate scope and the spirit of utility model.The all patents mentioned in description and publication, be all as the criterion with the general skill in field relevant to utility model.This according to reference data by all patents and publication and to same range, merging situation such as the indivedual publications each specifically and individually pointed out according to reference data.

In this utility model suitably illustrated, it is possible to be able to lacking any important document, perhaps many important documents, restrictive condition or not implement specifically under limited case disclosed herein.Therefore for example, the noun such as comprising, at least contain and contain in each example of this paper, any one of which can replace with two other.The noun used and expression are unrestricted as the description of description, have no intent to use simultaneously this kind of except any feature being equal to shown and explanations or its partly except noun and expression, but what need to see clearly is various different changes, it is possible in patent claim of the present utility model.Therefore, it is understood that while specifically disclose this utility model according to preferred embodiment and arbitrary feature, but knowing 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 this utility model.

Claims (6)

1. an injection set group, it is characterised in that including:

One optical detection pin, comprises one or one or more optical fiber in its center hole；And

It is internally provided with fibre-optical splice, is used for connecting fixing handle；

One optical fiber connects wire, is used for connecting optical detection pin and detection device；

One optics detection device, wherein comprises a laser source and optical detector.

2. injection set group according to claim 1, it is characterised in that be drawn out of when wherein containing the optical detection pin arrival particular organization position of optical fiber, and replaced by an injection catheter.

3. injection set group according to claim 1, it is characterised in that also include:

Light detection device in described optical detector, for detecting the optical characteristics of individual tissue；And

Described laser source provides the incident light source that aforementioned smooth detection device is required；

Described smooth detection device is connected wire with light source system by described optical fiber and connects.

4. injection set group according to claim 2, it is characterised in that described smooth detection device is that detecting group of individuals is woven in the spectral characteristic ratio of different wave length, to provide the information of this tissue aspect to assist the location of aforementioned optical detection needle tip.

5. injection set group according to claim 1, it is characterised in that described light source is provided that the light of two or more different wave length, described light source can be radium-shine source, LED light source or white light source.

6. the injection set group according to claim 1 to 5 any one, it is characterised in that described injection set group is used for peridural anesthesia.