CN213430266U

CN213430266U - Intelligent biopsy needle

Info

Publication number: CN213430266U
Application number: CN202020304549.0U
Authority: CN
Inventors: 张艳; 张霞; 罗渝昆; 唐华松; 孙轶徽; 刘明欣
Original assignee: Shanghai Bekada Medical Technology Co ltd; Chinese PLA General Hospital
Current assignee: Shanghai Beida Medical Technology Co., Ltd; Chinese PLA General Hospital
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2021-06-15
Anticipated expiration: 2030-03-12

Abstract

The embodiment of the utility model discloses intelligence biopsy needle. The utility model discloses an intelligence biopsy needle, include: the device comprises a needle tube body, a needle head assembly, an impedance detector, a controller and an indicating device; the needle assembly is disposed on the needle cannula body; the needle assembly includes: the insulation device comprises an outer needle tube, an insulation tube and an inner needle tube, wherein the outer needle tube and the inner needle tube are made of conductive materials; the outer needle tube, the inner needle tube and the insulating tube are sequentially sleeved; the inner needle tube is provided with a plurality of first collecting holes along the axial direction, the insulating tube is provided with a plurality of second collecting holes, and the first collecting holes correspond to the second collecting holes in position; the impedance detector is electrically connected with the outer needle tube and the inner needle tube respectively; the controller is respectively electrically connected with the impedance detector and the indicating device. The utility model discloses an intelligence biopsy needle simple structure is reliable, easily make, convenience safe in utilization, does not need to monitor the needle cover condition closely with the naked eye during the puncture.

Description

Intelligent biopsy needle

Technical Field

The embodiment of the utility model provides a relate to the medical instrument field, especially relate to an intelligence biopsy needle.

Background

Needle aspiration cytology biopsy is a pathological material selection diagnosis method, particularly is an internationally accepted first-choice puncture method in the aspect of thyroid, and has the advantages of large clinical requirement and large dosage. During the puncture process, the puncture needle needs to be placed into a focus for repeated suction, then the extracted cell sap is pushed out for flaking, and the operation requires a proper amount of cell sap. If the quantity is too small, the whole sheet is difficult to coat; if the amount is too large, the smear is too thick, cells are overlapped, the staining effect is poor, and pathological interpretation is affected.

In operation, the doctor is full of energy in observing ultrasonic real-time images, and the multi-angle effective attraction of hand-eye unification is ensured, so that a hand is helped by the doctor to closely observe whether blood or sac liquid appears in the needle sleeve at the far end of the puncture needle. In fact, due to the variable puncture angle of the doctor and the occlusion of the hand, it is difficult to observe the cellular fluid in the needle cavity with the naked eye. Therefore, the number of punctures is increased, the time is prolonged, the pain of the patient is increased, the cost is increased, and the accuracy of the pathological result is lowered.

However, although various cell puncture needles have been developed around the world, there is no effective method for automatically indicating the content of cellular fluid, which results in prolonged puncture time and reduced accuracy of diagnosis result (unsatisfactory rate of material selection is 10-20%), so that the wide application of the cell puncture needles is limited.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide an intelligence biopsy needle to above-mentioned problem, adopts the mode of setting for the collection hole in specific position for detect puncture needle internal tissue liquid through the impedance detection, reduce user's attention burden, improve the measuring accuracy of the cell liquid in the needle chamber.

The embodiment of the utility model provides an intelligence biopsy needle, include: the device comprises a needle tube body, a needle head assembly, an impedance detector, a controller and an indicating device;

the needle tube body is provided with a first mounting hole, and the needle head assembly is arranged in the first mounting hole;

the needle assembly includes: the insulation device comprises an outer needle tube, an insulation tube and an inner needle tube, wherein the outer needle tube and the inner needle tube are made of conductive materials;

the inner needle tube and the insulating tube are arranged in the outer needle tube in a penetrating mode, the outer needle tube is sleeved on the insulating tube, and the insulating tube is sleeved on the inner needle tube;

the inner needle tube is provided with a plurality of first collecting holes along the axial direction, the insulating tube is provided with a plurality of second collecting holes, and the first collecting holes correspond to the second collecting holes in position;

the impedance detector is electrically connected with the outer needle tube and the inner needle tube respectively;

the controller is respectively electrically connected with the impedance detector and the indicating device.

This intelligence biopsy needle simple structure is reliable, easily make, convenience safe in utilization, can carry out the precision measurement to how much of the intraductal tissue fluid of vacuum, and indicating device can send the warning to the user according to the suggestion of controller simultaneously, need not monitor the needle cover condition closely with the naked eye during the puncture, has reduced user's attention burden, has alleviateed the puncture number of times, and then has reduced patient's misery and expense.

In one possible approach, the outer needle cannula comprises: the metering section and the basic quantity section are positioned at the head of the outer needle tube;

the inner needle tube and the insulating tube are located in the metering section.

By adopting the structure, the intelligent biopsy needle can meet the reliability and the precision of low-dose detection.

In a feasible scheme, the indicating device is an LED lamp strip, a mounting groove is formed in the needle tube body, and the LED lamp strip is arranged in the mounting groove.

Set up the mounting groove in the needle tubing main part to adopt LED lamp area, can alleviate the weight of this intelligence biopsy needle, improve the indicating effect simultaneously.

In one possible embodiment, the method further comprises: mounting a box;

the mounting box is fixed on the needle tube main body, and the controller is located in the mounting box.

The installation box is additionally arranged, so that the use convenience of the intelligent biopsy needle can be improved, and the damage possibility is reduced.

In one possible embodiment, the method further comprises: a mobile power supply;

the mobile power supply is electrically connected with the controller.

The portable power source is additionally arranged, so that the intelligent biopsy needle is powered, and the application range and flexibility of the intelligent biopsy needle are improved.

In one possible solution, the mobile power source is a sheet-shaped lithium battery.

The lithium battery structure is adopted, on one hand, the weight of the intelligent biopsy needle is reduced, and on the other hand, the endurance service time can be prolonged.

In one possible embodiment, the method further comprises: a power management module;

the power management module is connected between the controller and the sheet lithium battery in series.

The management and the use efficiency of the battery are improved by additionally arranging the power management module.

In one possible embodiment, the method further comprises: the device comprises a signal acquisition module, a signal processing module and a signal transmission module;

the signal acquisition module, the signal processing module and the signal transmission module are respectively electrically connected with the controller.

By adopting the technical scheme, the collected cell sap electrobiology information can be transmitted to the data processing platform, so that further electrobiology data analysis is performed on the cell sap electrobiology information, the detection convenience of the intelligent biopsy needle is improved, and the user efficiency is improved.

In one possible solution, the signal transmission module is a bluetooth module.

The Bluetooth module is adopted for data transmission, and the Bluetooth module has universality and convenience and is convenient for data exchange among all devices.

Based on the above technical scheme, the utility model discloses simple structure is reliable, easily make, convenience safe in utilization, does not need to monitor the needle cover condition closely with the naked eye during the puncture, can judge the puncture termination through the indicating device who observes on the needle handle. Furthermore, the collected cell fluid electrobiological information can be transmitted to a data processing platform, so as to perform further electrobiological data analysis on the cell fluid electrobiological information. In a word, this scheme can not only shorten the puncture time, alleviates patient's misery, improves film-making quality and diagnostic accuracy, more can be used for further analysis with the human electrobiology data of gathering.

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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a cross-sectional view of an intelligent biopsy needle in an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of the needle cannula body according to an embodiment of the present invention;

fig. 3 is a perspective view of an intelligent biopsy needle in an embodiment of the present invention;

fig. 4 is a sectional view of the outer needle tube in the embodiment of the present invention.

Reference numbers in the figures:

1. a needle tube body; 2. a needle assembly; 201. an outer needle tube; 202. an insulating tube; 203. an inner needle tube; 204. A first collection well; 210. a metering section; 220. a base quantity section; 3. an LED light strip; 4. mounting a box; 5. A first connection electrode; 6. and a second connection electrode.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; the connection can be mechanical connection, electrical connection or communication connection; either directly or indirectly through intervening media, either internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The technical solution of the present invention will be described in detail with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.

Fig. 1 is the sectional view of intelligent biopsy needle in the embodiment of the present invention, fig. 2 is the embodiment of the present invention, which is a partial enlarged view of 1 part of the needle tube main body, fig. 3 is the embodiment of the present invention, which is a perspective view of intelligent biopsy needle, fig. 4 is the embodiment of the present invention, which is a sectional view of the outer needle tube 201.

As shown in fig. 1 and 3, the intelligent biopsy needle of the present embodiment includes: syringe main part 1, needle subassembly 2, impedance detector, controller and indicating device.

The needle tube body 1 is provided with a first mounting hole, and the needle head assembly 2 is arranged in the first mounting hole.

The needle assembly 2 includes: an outer needle tube 201, an insulating tube 202 and an inner needle tube 203, wherein the outer needle tube 201 and the inner needle tube 203 are made of conductive material. The structure of the outer needle tube 201 is shown in fig. 3 and 4.

As shown in fig. 1 and fig. 2, the inner needle tube 203 and the insulating tube 202 are inserted into the outer needle tube 201, the outer needle tube 201 is sleeved on the insulating tube 202, and the insulating tube 202 is sleeved on the inner needle tube 203.

The inner needle tube 203 is provided with a plurality of first collecting holes along the axial direction, the insulating tube 202 is provided with a plurality of second collecting holes, and the first collecting holes correspond to the second collecting holes in position. As shown in fig. 1, the first collecting hole and the second collecting hole are in a positional relationship. It should be noted that only the inner needle 203 and the insulating tube 202 are provided with the sampling holes.

The impedance detector is electrically connected to the outer needle tube 201 and the inner needle tube 203, respectively.

It should be noted that one possible connection is shown in fig. 2: establish first connecting hole and second connecting hole on needle tubing main part 1, outer needle tube 201, be equipped with the first through-hole corresponding with first connecting hole on the insulating tube 202, still be equipped with the second through-hole corresponding with the second connecting hole on the outer needle tube 201, first connecting electrode 5 wears to establish in first connecting hole, one end is connected with interior needle tube 203, the other end is connected with impedance detector (not shown in the figure) again, second connecting electrode 6 wears to establish in the second connecting hole, one end is connected with outer needle tube 201, the other end is connected with impedance detector again, thereby realize using impedance detector to detect to the impedance between outer needle tube 201 and the interior needle tube 203.

One possible impedance detector is a multimeter to detect the impedance between the outer syringe 201 and the inner syringe 203.

The controller (not shown) is electrically connected to the impedance detector and the indicating device, respectively. The functional room of the controller judges the position of the liquid level of the tissue fluid in the needle tube by the change of the resistance value between the outer needle tube 201 and the inner needle tube 203 detected by the impedance detector, thereby realizing the judgment of the amount of the tissue fluid in the needle tube.

A method for detecting possible liquid level or liquid amount comprises the following steps: firstly, detecting the resistance value of the intelligent biopsy needle when different volumes of tissue fluid are stored in the intelligent biopsy needle; secondly, establishing an incidence relation between the volume of the interstitial fluid and the resistance value, such as a volume-resistance value table; and finally, the intelligent biopsy needle is used for sucking the tissue fluid, and the volume-resistance value table is inquired according to the resistance value to obtain the volume or the fluid volume of the tissue fluid in the biopsy needle.

Optionally, as shown in fig. 1, in this embodiment, the outer needle tube 201 of the intelligent biopsy needle includes: a metering section 210 and a base quantity section 220, and the base quantity section 220 is positioned at the head of the outer needle tube 201.

The inner needle cannula 203 and the insulating tubing 202 are located within the metering section 210.

The metering section 210 is a length of a needle tube for performing accurate metering, and the base-amount section 220 is a section in which the lowest dose of tissue fluid is sucked when the base-amount section 220 is full.

Optionally, as shown in fig. 1 and fig. 2, in this embodiment, the indicating device of the intelligent biopsy needle is an LED strip 3, a mounting groove is provided on the needle tube main body 1, and the LED strip 3 is disposed in the mounting groove.

Set up the mounting groove on needle tubing main part 1 to adopt LED lamp area 3, can alleviate the weight of this intelligence biopsy needle, improve indicating effect simultaneously.

Optionally, as shown in fig. 1 and fig. 2, in this embodiment, the intelligent biopsy needle further includes: the case 4 is mounted.

The mounting box 4 is fixed on the needle tube body 1, and the controller is positioned in the mounting box 4.

The installation box 4 is additionally arranged, so that the use convenience of the intelligent biopsy needle can be improved, and the damage possibility is reduced.

Optionally, in this embodiment, the intelligent biopsy needle further includes: and (5) moving the power supply.

The mobile power supply is electrically connected with the controller.

Optionally, in this embodiment, the mobile power source of the smart biopsy needle is a sheet-shaped lithium battery.

Optionally, in this embodiment, the intelligent biopsy needle further includes: and a power management module.

The power management module is connected in series between the controller and the sheet lithium battery.

It should be noted that the power management module is a prior art.

Optionally, in this embodiment, the intelligent biopsy needle further includes: the device comprises a signal acquisition module, a signal processing module and a signal transmission module.

It should be noted that the signal acquisition module is mainly used for acquiring biological information of interstitial fluid in the intelligent metering needle, and is the prior art; the signal processing module converts the acquired signals, which is the prior art; the signal transmission module is used for transmitting the converted signal for analysis and use, and is the prior art.

Optionally, in this embodiment, the signal transmission module of the smart biopsy needle is a bluetooth module.

In the present application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first feature or the second feature or indirectly contacting the first feature or the second feature through an intermediate.

Also, a first feature "on," "above," and "over" a second feature may mean that the first feature is directly above or obliquely above the second feature, or that only the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lower level than the second feature.

In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. An intelligent biopsy needle, comprising: the device comprises a needle tube body, a needle head assembly, an impedance detector, a controller and an indicating device;

2. The intelligent biopsy needle of claim 1, wherein the outer needle tube comprises: the metering section and the basic quantity section are positioned at the head of the outer needle tube;

3. The intelligent biopsy needle of claim 2, wherein the indicating device is an LED strip, a mounting groove is formed on the needle tube body, and the LED strip is arranged in the mounting groove.

4. The intelligent biopsy needle of claim 3, further comprising: mounting a box;

5. The intelligent biopsy needle of claim 4, further comprising: a mobile power supply;

the mobile power supply is electrically connected with the controller.

6. The intelligent biopsy needle of claim 5, wherein the mobile power source is a lithium sheet battery.

7. The intelligent biopsy needle of claim 6, further comprising: a power management module;

8. The intelligent biopsy needle of claim 7, further comprising: the device comprises a signal acquisition module, a signal processing module and a signal transmission module;

9. The intelligent biopsy needle of claim 8, wherein the signal transmission module is a bluetooth module.