CN210114507U

CN210114507U - Device for positioning tumor after operation

Info

Publication number: CN210114507U
Application number: CN201920162442.4U
Authority: CN
Inventors: 陈玉龙; 王长利; 颜博; 胡万宁; 刘浩源; 郑瑞云; 赵晓亮; 张真发; 张连民; 庞冲; 王晟广; 朱建权; 孙晓燕
Original assignee: TIANJIN TUMOUR HOSPITAL; Tangshan Hachuan Technology Co Ltd
Current assignee: TIANJIN TUMOUR HOSPITAL; Tangshan Hachuan Technology Co Ltd
Priority date: 2019-01-30
Filing date: 2019-01-30
Publication date: 2020-02-28
Anticipated expiration: 2029-01-30

Abstract

The utility model discloses a device for positioning tumor after operation, which comprises an internal positioner and an external positioner, wherein the internal positioner comprises an expandable compression body and a positioning body, and the compression body covers the positioning body; the external locator includes a three-dimensional coordinator. The utility model discloses the structure of whole product is ingenious, pours into the interior locator into before the art into, and is convenient quick, and the post-operation combines outer locator, helps the accurate positioning of tumour in the excision tissue, and convenient quick accurate location tumour position shortens the section and is pathological analysis's time.

Description

Device for positioning tumor after operation

Technical Field

The utility model belongs to the technical field of operation auxiliary assembly technique and specifically relates to a device of postoperative location tumour.

Background

Tumor refers to a new organism formed by local histiocyte hyperplasia under the action of various tumorigenic factors; tumors are roughly divided into benign tumors and malignant tumors (namely cancers), the benign tumors are usually removed by operation, and the malignant tumors are comprehensively treated, such as combined with radiotherapy and chemotherapy, so as to greatly improve the cure rate and improve the life quality of patients.

In the process of surgical excision treatment, because the tumor itself is very tiny, the position of the tumor needs to be accurately positioned before the operation, and part of tissues containing the tumor is conveniently excised. However, in practice, the tumor is usually located by CT, but the tissue after surgical resection is often atrophied, and at this time, it is not possible to obtain accurate position information even by CT scanning in order to confirm the position of the tumor. This necessarily results in a correspondingly long time for pathological examination of the tumor after the operation.

In the face of the current environmental pollution, the incidence of tumor and even cancer is increasing year by year, and it is very necessary to develop a device capable of rapidly positioning the tumor position in the postoperative tissue in order to reduce the pain time of the patient in the operation and the pressure of the operation of the doctor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's not enough, provide a device of postoperative location tumour, conveniently arrange near the tumour in, carry out quick accurate location to the tumour position.

In order to realize the purpose of the utility model, the utility model provides a following technical scheme: a device for postoperatively locating a tumor, comprising an inner locator and an outer locator, the inner locator comprising an expandable compression body and a locating body, the compression body encasing the locating body; the external locator includes a three-dimensional coordinator.

Further, the internal positioner further comprises a shell, and the shell covers the compression body; the shell is ablated after contacting with body fluid for 5-10 minutes.

Further, the compression body and the positioning body are of an integral structure.

Furthermore, the compression body is made of swelling materials, and the volume of the compression body is expanded by 5-10 times after the compression body is contacted with body fluid for 5 seconds-30 minutes.

Further, the compression body is an elastic wire ball.

Furthermore, the positioning body is made of a magnetic metal material.

Further, the shell is in a ribbon shape and used for binding the compression body.

Furthermore, the inner positioner is spindle-shaped, and the maximum outer diameter is 0.5-5 mm.

Further, the swelling material is one or more of polyacrylic acid, sodium polyacrylate, polyvinyl alcohol, sodium alginate, agar or polysaccharide hydrogel.

Further, the shell is made of gelatin or starch.

Further, a tracer is included in the housing for release into surrounding tissue upon ablation of the housing.

Furthermore, the three-dimensional coordinate device comprises two dials which are vertically arranged, and mutually vertical scale marks are arranged on the dials.

Further, the dial is made of plastic, and the scale marks are made of metal wires.

Compared with the prior art, the utility model has the advantages of it is following: the internal positioner is combined with the dual positioning function of the external positioner, the tumor position in the postoperative tissue is quickly and accurately positioned, a doctor can conveniently and accurately collect tumor slices to carry out pathological analysis, the time from resection to confirmation of the tumor property is greatly shortened, and the pain of a patient and the operation pressure and workload of the doctor are reduced.

The utility model discloses an interior locator product can wrap up one deck shell structure outward, and the compression body is lived to the shell cladding, prevents the expansion of the compression body, and the shell itself is made for melting the material, fills in near tumour, melts with body fluid contact back shell, just begins the expansion of the compression body. The localizer product can be made into a shape which can be inserted near the tumor through a hollow needle, does not cause too much pain to the patient before operation, and is accurate and reliable.

The structure of whole product is ingenious, pours into the interior locator before the art into, and is convenient quick, and the postoperation combines outer locator, helps the accurate positioning of tumour in the excision tissue, and convenient quick accurate location tumour position shortens the section and does pathological analysis's time.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of the tumor positioning device after operation;

FIG. 2 is a schematic view of the internal retainer;

FIG. 3 is a schematic view of the compressed body after expansion;

FIG. 4 is another schematic view of the inner retainer;

FIG. 5 is a third schematic view of the inner retainer;

graphic notation:

1-internal positioner, 11-compression body, 12-positioning body, 13-shell, 2-external positioner, 21-wire.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model discloses device of postoperative location tumour is applicable to the operation front portion device and places near the tumour, and convenient the detection and the accurate positioning device who confirms the tumour position in the tissue of excision behind the operation excision tumour.

This device of tumour is fixed a position to postoperative, including two locators: an internal positioner 1 and an external positioner 2, the internal positioner 1 is placed near the tumor before operation and is removed together with the tumor during operation, the internal positioner 1 comprises an expandable compression body 11 and a positioning body 12, and the compression body 11 covers the positioning body 12. The compression body 11 is in a compact state, is covered with the positioning body 12, and is delivered to the position near the tumor before operation, particularly at least three internal positioners 1 are placed near the tumor, so that the tumor position can be more accurately defined.

The external positioner 2 belongs to a three-dimensional positioner, is used for positioning the spatial position of the postoperative tumor in the excised tissue, and is convenient to know the tumor timely and accurately.

The internal positioner 1 is plugged into the tissue near the tumor, and the compression body 11 automatically expands, so that the tumor position is obvious even for the collapsed lung in the operation; meanwhile, the cladding is on the positioning body 12 in the expanded compression body 11, and the positioning body can also be detected and positioned through an instrument (such as CT), so that the position is determined more accurately, a doctor can find a tumor quickly and conveniently to cut the tumor, the operation time of a patient is shortened, and the pressure in the operation process of the doctor is greatly reduced.

Example 1

As shown in fig. 1, 2 and 3, a device for positioning a tumor after operation is composed of an inner positioner 1 and an outer positioner 2, wherein the inner positioner 1 is suitable for being placed in the tissue near the tumor before operation so as to position the tumor in a reference manner; therefore, a plurality of the tumor cells can be arranged in the tissue near the tumor, and the tumor can be positioned more conveniently. Meanwhile, the internal positioner 1 can be designed to be very small in size, and can be injected into tissues near the tumor in a hollow needle injection mode, so that the injury to a patient is minimal, and the operation is facilitated.

The internal positioner 1 is composed of an outer layer compression body 11 and an inner positioning body 12, wherein the compression body 11 is made of swelling materials, has small volume before contacting liquid, covers the positioning body 12, and is injected to the vicinity of a tumor by a hollow needle.

After the compressed body 11 is contacted with body fluid, the swelling material absorbs the body fluid to expand and change, and the volume is increased, as shown in fig. 2; the swelling time and the volume expansion can be selected according to different swelling materials and operation requirements; generally, the volume of the medical liquid is set to expand 5-10 times after the medical liquid is contacted with body fluid for 5 seconds-30 minutes, and the medical liquid can meet the requirement of an operation.

Wherein the swelling material is one or more of polyacrylic acid, sodium polyacrylate, polyvinyl alcohol, sodium alginate, agar or polysaccharide hydrogel. The materials are all conventional swelling materials, namely, the materials can generate volume increase change after absorbing water.

After the volume of the compression body 11 is increased, the compression body extrudes the surrounding tissues and can be more firmly positioned beside the tumor, and even if the tissues beside the tumor change, such as collapse, the expanded compression body 11 does not change, so that the relative positioning information is more reliable. Especially, the compression body 11 is provided in a plurality of numbers, and is distributed near the tumor, such as the front, back, left, right, upper, lower, etc. positions of the tumor, the positioning accuracy can be very high.

The position of the positioning body 12 can be determined by combining with the positioning body 12 in the compression body 11 through instrument detection, so that the approximate position of the tumor can be accurately known on a detection instrument, the tissue containing the tumor and all the compression bodies 11 can be directly excised together during the operation, the completeness of tumor excision is ensured, and the problem that the tumor is remained and is not completely excised can be avoided.

The conventional CT can be adopted for instrument detection, and because the CT is sensitive to metal reaction, and the positioning body 12 is made of metal, the CT detection is very easy to determine the position of the positioning body 12.

The positioning body 12 itself can be made of metal in the form of particles, wires, sheets, etc., all of which can achieve the above positioning effect.

In this embodiment, the appearance of the device of postoperative location tumour is spindle form, owing to adopt hollow needle injection mode to establish by the tumour, and the maximum external diameter sets up to 0.5 ~ 5mm, selects the size of the device of postoperative location tumour according to tumour size.

The external localizer 2 is used for detecting tissues containing tumors after extirpation, and because the tissues contain the internal localizer 1, especially when the tissues are irradiated by X-rays, a plurality of internal localizers 1 can obviously show respective positions, and the positions of the tumors can be accurately judged by taking the accurate positions as reference.

The external locator 2 is a three-dimensional locating structure, such as two mutually perpendicular dials shown in fig. 1, each dial is provided with mutually perpendicular scale lines 21, especially the dials are made of plastics, the scale lines 21 are made of metal wires, the removed tissue is placed on one dial of the external locator 2, and the position parameters of the internal locator 1 on the external locator 2 can be determined through overlooking irradiation and side-looking irradiation, so that the position parameters of the tumor can be further determined.

Example 2

In the internal positioner 1 shown in fig. 4, compared with the embodiment 1, the outer shell 13 is coated outside the compression body 11, and the outer shell 13 is ablated after contacting with the body fluid for 5 to 10 minutes. Preferably, a tracer is included in the housing for release into surrounding tissue upon ablation of the housing for marking the tissue location. Such as nuclides, methylene blue species, and nanocarbon species. For example, after a tracer labeled by nuclide is injected into a human body, positron annihilation generated in the course of nuclide decay is imaged through electronic detection and computer reconstruction, so that a human body metabolism or functional image can be obtained.

A layer of shell 13 is arranged outside the compression body 11, and the expansion of the compression body 11 can be suspended; the compression body 11 must be expanded when the sheath 13 is ablated so as not to restrain the compression body 11.

The structure of the shell 13 is additionally arranged outside the compression body 11, so that the pain of a patient can be relieved after the hollow needle injects the locator, and the injury to the patient caused by the rapid expansion of the compression body 11 immediately after injection is avoided.

In the product of the inner positioner 1 of the present embodiment, the compression body 11 is not limited to the expansion material, but may be made of an elastic material or other expandable material.

The outer shell 13 temporarily limits the expansion of the compression body 11. fig. 4 shows the outer shell 13 as fully enclosing the compression body 11, and the compression body 11 is made of a swelling material to prevent the outer shell 13 from ablating to some extent and the compression body 11 from expanding.

In practical manufacturing, a coating that can limit the critical position of the expansion of the compression body 11, such as a compression body made of elastic material, may be adopted, and the shell 13 may be configured in a linear shape and wound around the compression body 11 to be expanded.

The shell 13 is made of gelatin or starch and the like, and can be gradually ablated after being contacted with body fluid, so that the human body is not damaged.

Example 3

In the internal positioner 1 shown in fig. 5, compared with the product of embodiment 1, the compression body 11 and the positioning body 12 are of an integral structure, which is equivalent to the positioning body 12 having an expansion function, or the compression body 11 having a positioning function, such as a compressed wire ball.

The tiny compressed metal wire ball is injected to the position near the tumor through the hollow needle and immediately expands to form an expanded locator; a sheath 13 may also be added to the compression body 11, as shown in fig. 5, after injection and after the sheath 13 has been ablated to some extent, the wire ball expands. Preferably, a tracer is included in the housing for release into surrounding tissue upon ablation of the housing for marking the tissue location. Such as nuclides, methylene blue species, and nanocarbon species. For example, after a tracer labeled by nuclide is injected into a human body, positron annihilation generated in the course of nuclide decay is imaged through electronic detection and computer reconstruction, so that a human body metabolism or functional image can be obtained.

For a wire ball in a compressed state, the housing 13 may be formed in a ribbon shape, and the wire ball may be bound, and the ribbon-shaped housing 13 may be ablated until the wire ball expands when it contacts body fluid.

The housing 13 may be provided in the form of a spindle, sphere or other shape to facilitate injection.

In all the above embodiments, the positioning body 2 in the internal positioner 1 is made of metal, and can also be made of magnetic metal materials, such as iron, cobalt, nickel and alloys thereof, so that the magnetic detection equipment can be used for detection when the instrument is used for detection, thereby avoiding the interference of the metal itself in the operation.

The utility model discloses device of postoperative location tumour is through hollow needle before the art, take the tumour excision of lung as an example, put inside locator 1 on the tumour next door of lung, the lung collapse becomes very little after inserting respiratory device in the operation, the difficult location excision of former tumour, can pinpoint the tumour through putting inside locator 1 other at the tumour, excise, reunion outside locator 2 finds the tumour after the excision (in traditional operation, the tumour is hardly found to the tissue that downcuts, CT is also very difficult even), do quick pathology, reduce the operating time, protect patient, alleviate doctor's work load.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A device for postoperatively locating a tumor, comprising: comprising an inner retainer and an outer retainer, the inner retainer comprising an expandable compression body and a retainer, the compression body encasing the retainer; the external locator includes a three-dimensional coordinator.

2. The device for postoperatively locating a tumor according to claim 1, wherein: the inner locator further comprises a shell, and the shell covers the compression body; the shell is ablated after contacting with body fluid for 5-10 minutes.

3. The device for postoperatively locating a tumor according to claim 2, wherein: the compression body is made of swelling materials, and expands 5-10 times in volume after contacting with body fluid for 5 seconds-30 minutes.

4. The device for postoperatively locating a tumor according to claim 3, wherein: the compression body is an elastic metal wire ball.

5. The device for postoperatively locating a tumor according to claim 1, wherein: the positioning body is made of a magnetic metal material.

6. The device for postoperatively locating a tumor according to claim 2, wherein: the shell is in a ribbon shape and used for binding the compression body.

7. The device for postoperatively locating a tumor according to claim 1, wherein: the inner positioner is spindle-shaped, and the maximum outer diameter is 0.5-5 mm.

8. The device for postoperatively locating a tumor according to claim 4, wherein: the swelling material is one of polyacrylic acid, sodium polyacrylate, polyvinyl alcohol, sodium alginate, agar or polysaccharide hydrogel.

9. The device for postoperatively locating a tumor according to claim 2, wherein: a tracer is included in the housing.

10. The device for postoperatively locating a tumor according to claim 1, wherein: the three-dimensional coordinators comprise two dials which are vertically arranged, and mutually vertical scale marks are arranged on the dials.