CN209661818U - Operation auxiliary locator - Google Patents

Abstract

The utility model discloses a kind of operation auxiliary locator, including distensible compression body and positioning body, the compression body envelopes the positioning body.The clever structure of the entire product of the utility model, preoperative merging, fast and easy facilitate in art to be accurately positioned, and save operating time, reduce the normal tissue of excision.

Description

Operation auxiliary locator

Technical field

The utility model relates to technical field of auxiliary equipment of performing the operation, especially a kind of operation auxiliary locator.

Background technique

Tumour refers to body under the effect of the various tumorigenesis factors, and local organization hyperplasia is formed by neoformation；Tumour It is roughly divided into benign tumour and malignant tumour (i.e. cancer), benign tumour usually passes through operation excision, and malignant tumour carries out Synthetic It treats, such as needs to combine chemicotherapy, to greatly improve cure rate, and improve the quality of life of patient.

During surgical resection therapy, due to tumour itself be it is very small, need preoperative tumour position can be accurately positioned It sets, facilitates and extract the portion of tissue comprising tumour.But in actual operation, be usually to the positioning of tumour carried out by CT, but In surgical cut down procedure, corresponding tissue is not fixed and invariable, and such as lung tumors, after being inserted into breathing equipment, lung can go out It now collapses phenomenon, the position of preoperative positioning can change, while the lung after collapsing to reposition very time-consuming, influences Surgical procedure delays operating time, brings pain to patient, causes stress to doctor.

In face of current environmental pollution, the disease incidence of tumour even cancer increases year by year, either bears to mitigate patient Painful time of operation, or mitigate the pressure of surgical operation, research and develop it is a kind of can auxiliary operation accurately and quickly positioning is swollen The equipment of tumor position, is very important.

Utility model content

The utility model in view of the deficiencies of the prior art, proposes a kind of operation auxiliary locator, is conveniently placed in tumor vicinity, Knub position is accurately positioned in auxiliary.

In order to realize above-mentioned purpose of utility model, the utility model is the following technical schemes are provided: a kind of operation auxiliary positioning Device, including distensible compression body and positioning body, the compression body envelope the positioning body.

It further, further include having shell, the shell envelopes the compression body；The shell is contacting 5 with body fluid ~melt after ten minutes.

Further, the compression body and the positioning body are structure as a whole.

Further, the compression body is made of swollen material, and volume expansion 5 after being contacted with body fluid 5 seconds~30 minutes~ 10 times.

Further, the compression body is elastic metallic pompon.

Further, the positioning body is made of magnetic metal material.

Further, the shell is silk ribbon shape, and compression body is stated in binding residence.

It further, is fusiform, maximum outside diameter is 0.5~5mm.

Further, the swollen material is polyacrylic acid, Sodium Polyacrylate, polyvinyl alcohol, sodium alginate, agar or more It is one or more in syrup gel.

Further, the shell is made of gelatin or starch.

Further, include tracer in the shell, be discharged into surrounding tissue in shell ablation.

Compared with prior art, the utility model, which has the advantage that, envelopes positioning body using distensible compression body, Preoperative to send to tumor vicinity, even if occurring phenomenon of collapsing in art, compression body can be expanded, while positioning body can be easy to be detected It measures, doctor is facilitated to be quickly found out knub position, reduce operating time, mitigate patient's pain and surgical pressure and work Amount.

Crust structure can be coated outside the utility model product, shell envelopes compression body, and prevent compression body from expanding, and Shell sheet is made as ablation material, fills in tumor vicinity, and with body fluid contact rear casing ablation, compression body just starts to expand.It is whole A product can be made into the shape that tumor vicinity can be filled in by hollow needle, preoperative that too big pain will not be caused to patient, And it is accurate and reliable.

The clever structure of entire product, preoperative merging, fast and easy facilitate in art to be accurately positioned, and save operating time, Reduce the normal tissue of excision.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.

Fig. 1 is the structural schematic diagram of the utility model operation auxiliary locator；

Fig. 2 is the schematic diagram after compression body expansion；

Fig. 3 is another structural schematic diagram of the utility model；

Fig. 4 is the third structural schematic diagram of the utility model；

Diagram label:

1- compression body, 2- positioning body, 3- shell.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.

It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding, Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture) Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.

It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve The combination of case is not present, also not within the protection scope of the requires of the utility model.

The utility model perform the operation auxiliary locator, be suitable for operation consent be placed in tumor vicinity, facilitate in operation detection and The ancillary equipment of the accurate position for determining tumour.

The operation auxiliary locator, including distensible compression body 1 and positioning body 2, it is described fixed that the compression body 1 envelopes Position body 2.Compression body 1 is in deflated state, and inside is coated with positioning body 2, tumor vicinity is sent in the preoperative, especially in tumour Nearby at least place three operation auxiliary locators.

Due to the settable volume very little of the operation auxiliary locator itself, can be filled in by hollow needle injection system, three A or more operation auxiliary locator can facilitate positioning tumor.

For compression body 1 after filling in tumor vicinity, it can expand automatically, even if for the lung collapsed in operation, the expansion It opens so that knub position is more obvious；Positioning body 2 in compression body after expansion is coated simultaneously, can also be detected by instrument (such as CT) Positioning facilitates doctor to be quickly found out tumour, is cut off so that position determination is more accurate, in this way reduction patient's operating time, Pressure during surgical operation is greatly reduced.

Embodiment 1

As illustrated in fig. 1 and 2, a kind of operation auxiliary locator is made of the compression body 1 and internal positioning body 2 of outer layer, should Compression body 1 is made of swollen material, not in contact with Liquid precursor product very little, envelopes positioning body 2, is injected to tumour by hollow needle Near.

After compression body 1 touches body fluid, swollen material absorbs body fluid and expands variation, and volume increases, as shown in Figure 2； How long expanded and volume expansion is much for being contacted with body fluid, can according to swollen material difference in conjunction with operation need into Row selection；5~10 times of volume expansion are generally set after it is contacted 5 seconds~30 minutes with body fluid, meets operation and needs.

Wherein swollen material is polyacrylic acid, Sodium Polyacrylate, polyvinyl alcohol, sodium alginate, agar or polysaccharide hydrogel In it is one or more.Above-mentioned substance is conventional swollen material, that is, volume increase variation can occur after absorbing water.

After 1 volume of compression body increases, the tissue of surrounding is squeezed, can be more securely located at by tumour, even if tumour Other tissue changes, and such as collapses, the compression body 1 after expansion is not changed, therefore relative positioning information more may be used It leans on.Especially the compression body 1 is equipped with multiple, is distributed in tumor vicinity, such as the front, back, left, right, up, down position of tumour, should The accuracy of positioning can be very high.

In conjunction with the positioning body 2 in compression body 1, the position of positioning body 2 can be determined by instrument detection, thus detecting The approximate location of exact knowledge tumour on instrument, when operation, directly cut off the tissue comprising tumour and all compression bodies 1 together, The integrated degree for ensuring ablation of tumors is not in residual and does not extract complete problem.

Traditional CT can be used in instrument detection, and since CT is sensitive to metal reaction, positioning body 2 here uses metal material Matter, therefore CT detection is very easy to determine the position of positioning body 2.

Positioning body 2 itself can be particle, line, piece made of metal etc. shape, be attained by above-mentioned locating effect.

In the present embodiment, the shape for auxiliary locator of performing the operation is fusiform, swollen due to being located at using hollow needle injection system By tumor, maximum outside diameter is set as 0.5~5mm, and the size of operation auxiliary locator is selected according to tumor size.

Embodiment 2

Operation auxiliary locator shown in Fig. 3 is coated with crust 3 in compression body 1, this is outer compared with Example 1 Shell 3 contact 5 with body fluid~melt after ten minutes.Preferably, include tracer in the shell, released in shell ablation It is put into surrounding tissue, for marking the tissue location.For example, nucleic class, methylenum careuleum class and nanometer carbons.For example, through core After the tracer injection human body of element label, the positron annihilation generated in nucleic decay process passes through detection of electrons and computer weight Picture is constituted, our available body metabolisms or function image are made.

Crust 3 is set outside compression body 1, the expansion of compression body 1 can be suspended；It must wait the ablation of shells 3 that cannot extremely limit Firmly when compression body 1, compression body 1 could be expanded.

The structure that shell 3 is added outside compression body 1 can mitigate patient's pain after hollow needle injects this locator, avoid Just injury of the Rapid Expansion of compression body 1 to patient after injection.

In the present embodiment product, compression body 1 is not only limited only to expanding material, and elastic material also can be used to be made or other Expandable material.

Shell 3 plays the role of temporarily limiting to the expansion of compression body 1, be shell 3 shown in Fig. 3 is full enclosed packet Cover compression body 1, at this time compression body 1 be swollen material made of, avoid shell 3 do not melt to a certain extent and compression body 1 is opened Begin to expand.

In actual fabrication, the cladding that can limit the key position of the expansion of compression body 1 can be used, as made of elastic material Compression body, 3 shell of shell are set as linear, enwind compression body 1 to be expanded.

Shell 3 is made of gelatin or starch etc., after contacting with body fluid, can gradually be melted, not damaged to human body.

Embodiment 3

A kind of operation auxiliary locator as shown in Figure 4, compared with 1 product of embodiment, compression body 1 and positioning body 2 are one Body structure, being equivalent to positioning body 2 with the planning function or compression body 1 has positioning function, such as compressed wire ball.

Small compression shape wire ball, is injected to tumor vicinity through hollow needle, expands immediately, form determining for expansion Position device；Shell 3 can also be added outside compression body 1, shown in Fig. 4, after injection after the ablation to a certain extent of shell 3, wire ball It expands.Preferably, include tracer in the shell, be discharged into surrounding tissue in shell ablation, for marking Remember the tissue location.For example, nucleic class, methylenum careuleum class and nanometer carbons.For example, the tracer through isotope labeling injects human body Afterwards, the positron annihilation generated in nucleic decay process is imaged by detection of electrons and computer reconstruction, keeps us available Body metabolism or function image.

For the wire ball of compressive state, shell 3 can be set as silk ribbon shape, bind wire ball, wait silk ribbons shape Shell 3 contacts body fluid, and ablation to wire ball occurs and expands.

Shell 3 can be set as fusiform, ball or other shapes convenient for injection.

In above-mentioned all embodiments, positioning body 2 using metal make, can also be set as magnetic metal material production, as iron cobalt, Nickel and its alloy can be used the detection of magnetic detecting equipment, thus be avoided that interference of the metal in art itself when instrument being facilitated to detect.

The utility model operation auxiliary locator passes through hollow needle in the preoperative, by taking lung tumors are cut off as an example, is placed on intrapulmonary Tumour beside, lung after breathing equipment is inserted into operation and is collapsed becomes very small, and former tumour is not easy localized resection, by being placed on Tumour can be accurately positioned in operation auxiliary locator by tumour, cut off, and can also incite somebody to action by operation auxiliary locator after excision Tumour finds (in traditional operation, the tissue cut is difficult to find tumour or even CT is also difficult), does rapid pathology, reduces operation Time protects patient, mitigates doctor's workload.

The utility model is performed the operation in auxiliary locator, wraps up expansible compression using the shell mechanism easily melted by body fluid The composite structure of body (including positioning body), clever structure are easy for operation.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and Retouching also should be regarded as the protection scope of the utility model.

Claims (10)

1. a kind of operation auxiliary locator, it is characterised in that: including distensible compression body and positioning body, the compression body cladding State positioning body in residence.

2. operation auxiliary locator as described in claim 1, it is characterised in that: further include having shell, the shell coats residence State compression body；The shell contact 5 with body fluid~melt after ten minutes.

3. operation auxiliary locator as claimed in claim 1 or 2, it is characterised in that: the compression body and the positioning body are one Body structure.

4. operation auxiliary locator as claimed in claim 2, it is characterised in that: the compression body is made of swollen material, with body 5~10 times of volume expansion after liquid contact 5 seconds~30 minutes.

5. operation auxiliary locator as claimed in claim 3, it is characterised in that: the compression body is elastic metallic pompon.

6. operation auxiliary locator as described in claim 1, it is characterised in that: the positioning body is made of magnetic metal material.

7. operation auxiliary locator as claimed in claim 2, it is characterised in that: the shell is silk ribbon shape, and pressure is stated in binding residence Contracting body.

8. operation auxiliary locator as described in claim 1, it is characterised in that: be fusiform, maximum outside diameter is 0.5~5mm.

9. operation auxiliary locator as claimed in claim 4, it is characterised in that: the swollen material is polyacrylic acid, polypropylene It is one or more in sour sodium, polyvinyl alcohol, sodium alginate, agar or polysaccharide hydrogel.

10. operation auxiliary locator as claimed in claim 2, it is characterised in that: include tracer in the shell.