CN217408951U - Miniature probe for measuring pressure and temperature in ablation process - Google Patents

Abstract

The utility model relates to the field of micro probes, in particular to a micro probe for measuring pressure and temperature in the ablation process, which comprises a probe body, a pressure sampling pipe, a temperature sensing probe for detecting the temperature in a focus and a pressure sensor for detecting the pressure in the focus; the front end of the probe body is sequentially provided with a probe needle head and a bulge, and the temperature sensing probe is arranged in the bulge; the pressure sampling pipe is sleeved outside the probe body, the bulge part is arranged in the pressure sampling pipe, and the pressure sensor is communicated with the pressure sampling pipe; get and press the pipe and be equipped with the installation space with the handing-over department of bellying, when the probe syringe needle inserted in the focus, the temperature-sensing probe in the bellying detected the temperature of focus, and the pressure of focus sees through the installation space and transmits to getting in the pressure pipe to by getting to press the pipe to export pressure sensor in, the utility model discloses a miniature probe for melting in-process pressure-finding and temperature can monitor the temperature and the pressure in the focus, and the doctor of being convenient for treats.

Description

Miniature probe for measuring pressure and temperature in ablation process

Technical Field

The utility model relates to a miniature probe field, more specifically relates to a miniature probe that is arranged in melting process pressure measurement and temperature.

Background

In the medical operation method, ablation is a minimally invasive operation, and is mainly used for treating patients with diseases such as tumors, hypertrophic cardiac muscle, prostatic hyperplasia or fetal loss, wherein a local temperature control ablation method is generally adopted for treatment in the ablation process.

At present, all high-temperature ablation needles are used for the ablation process of treating different types and sizes of lesions by taking temperature control as a core, but doctors who perform operations still need to adjust the heating intensity and the heating duration of the ablation needles by experience so as to treat different types and sizes of lesions, so that the ablation treatment is a mature and common treatment method from equipment to experience.

However, the method of ablation therapy also obtains the well-known therapeutic sequelae-local sudden pressure due to the high temperature ablation process, for example, when the ablation needle is inserted into the center of the tumor to apply high temperature, the local part of the tumor is pressurized due to the high temperature, the outer wall of the tumor is ruptured due to the increase of the central pressure, so that the tumor cells are diffused due to the rupture of the outer wall of the tumor before the ablation temperature reaches the set value and is eliminated, and the tumor cells are transferred to the postoperative recurrence, which is a difficult problem that plagues the medical field.

It is therefore desirable to provide a microprobe for pressure and temperature measurement during ablation that addresses the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes at least one defect (not enough) of the prior art, provides a microprobe for measuring pressure and temperature in the ablation process.

In order to solve the technical problem, the technical scheme of the utility model as follows: a miniature probe for measuring pressure and temperature in an ablation process comprises a probe body, a pressure sampling pipe, a temperature sensing probe for detecting the temperature in a focus and a pressure sensor for detecting the pressure in the focus;

the front end of the probe body is sequentially provided with a probe needle head and a bulge, and the temperature sensing probe is arranged in the bulge;

the pressure sampling pipe is sleeved outside the probe body, the bulge part is arranged in the pressure sampling pipe, and the pressure sensor is communicated with the pressure sampling pipe;

the utility model discloses a temperature sensing probe in the bulge detects the temperature of focus, when the probe needle head inserts in the focus, the pressure of focus is transmitted to the pressure tube through the installation space, and is output to pressure sensor by the pressure tube, the utility model discloses a pressure tube cover will be got outside the probe body, the front end diameter of pressure tube is got and is followed to diminish along with the diameter of probe body diminishes, be convenient for the probe body inserts in the focus with the front end of pressure tube, and the temperature sensing probe that sets up in the bulge, can monitor the real-time temperature in the focus, and the real-time pressure in the focus is transmitted to the pressure tube through the installation space, and is exported to pressure sensor by the pressure tube and carries out real-time supervision to the pressure in the focus, through the setting of temperature sensing probe and pressure sensor, the doctor who is responsible for the operation treatment can be fast carry out accurate judgement to the temperature and pressure in the focus, the focus is ensured not to be diffused due to the fact that the focus is broken due to the fact that the pressure in the focus is too high, and the temperature can be controlled more accurately when a doctor performs an operation, so that germs in the focus can be killed better, and a patient can be recovered more quickly.

Further, the temperature sensing probe comprises a temperature measuring end, a temperature measuring probe rod, a probe lead and a temperature sensing probe body connected with the probe lead, wherein the temperature measuring end is arranged in the bulge, one end of the temperature measuring probe rod is connected with the temperature measuring end, the other end of the temperature measuring probe rod penetrates through the probe body and then is connected with the probe lead, the temperature measuring end is arranged in the bulge, when the bulge is inserted into a focus along with the probe needle, the temperature measuring end in the bulge can detect the temperature in the focus and transmit the probe lead through the temperature measuring probe rod, and finally the real-time temperature in the focus is displayed in the temperature sensing probe body, so that a doctor can monitor the real-time temperature in the focus in the operation process.

Furthermore, a heating element is arranged in the temperature measuring end, the micro probe can realize the heating and temperature control functions on the focus due to the arrangement of the heating element, and the focus can be heated and ablated due to the temperature control and heating of the heating element.

Furthermore, the pressure tapping pipe comprises a pressure tapping pipe insertion end, an air chamber rear cover and a pressure outlet end connected with the pressure sensor;

the pressure tapping pipe insertion end, the air chamber and the pressure outlet end are communicated in sequence;

the insertion end of the pressure tapping pipe is sleeved outside the boss, and the air chamber is sleeved outside the probe body;

the lid sets up the end at the air chamber behind the air chamber, through will getting to press the pipe to insert the end cover and establish in the outside of bellying, make and get to press pipe and probe body to make up into a whole, the brute force of the probe syringe needle of being convenient for and bellying is inserted, and the air chamber can play the effect of drawing pressure, pressure in the focus is drawn by the air chamber and is transmitted pressure outlet end output, so that pressure sensor monitors the real-time pressure in the focus, in addition, the lid can restrict retreating of probe body behind the air chamber, also can insert the focus to the probe syringe needle and exert forward apical force, insert the focus and play supplementary effect to the probe syringe needle.

Furthermore, the pressure tapping pipe is provided with at least one side air hole at the insertion end, the side air holes can assist the air chamber to play a role in pressure tapping through the arrangement of the side air holes, and in practical application, the side air holes can be uniformly arranged at the insertion end of the pressure tapping pipe as required so as to facilitate pressure tapping on the focus.

Further, a limit groove is arranged on the outer side of the probe body, an air chamber sealing ring is arranged on the limit groove, the probe body is movably arranged in the air chamber through an air chamber sealing ring, the air chamber sealing ring is made of silica gel material and is arranged through a limiting groove, can limit the air chamber sealing ring, avoid the air chamber sealing ring from displacing in the long-term use process, in practical application, the mounting number of the air chamber sealing rings can be set according to requirements so as to ensure the sealing property between the probe body and the pressure sampling pipe, and the air chamber sealing ring made of silica gel material can ensure the sealing performance between the probe body and the pressure sampling pipe, so that the pressure transmitted to the air chamber in the focus is not leaked, the pressure can be transmitted to the pressure sensor only through the pressure outlet end, and the pressure sensor can accurately detect the pressure received in the focus in real time.

Furthermore, be equipped with rotatory eccentric nut on the probe body, rotatory eccentric nut leans on with the lid counterbalance behind the air chamber, and through the setting of rotatory eccentric nut, can drive the probe syringe needle and the bellying of probe body front end rotatory when rotating rotatory eccentric nut, can clear away the plug that exists in the installation space between pressure pipe and the bellying handing-over department through the control rotation to do benefit to the induced pressure.

Furthermore, the bellying is the rhombus, and in practical application, the bellying can also set to different shapes according to the use needs, and it is all within the utility model discloses a protection scope.

Furthermore, probe body and pressure pipe are split type structure, and split type probe body and pressure pipe can be unpack apart after finishing using and wash respectively and disinfect, ensure the clean of probe body and pressure pipe, prevent because wash and the disinfection thoroughly and lead to probe body and pressure pipe in harmful substance remain with breed.

Further, the diameter of probe syringe needle and bellying all is within 1mm, and in practical application, the diameter of probe syringe needle and bellying can set up according to the use needs, and because the diameter of probe syringe needle and bellying is less, consequently, even many miniature probes insert simultaneously and detect pressure and temperature in the focus, also can not lead to the fact the influence to the stability of focus, ensure that the harmful substance in the focus can not spread out.

Compared with the prior art, the utility model discloses technical scheme's beneficial effect is:

the utility model discloses a micro probe for measuring pressure and temperature in the ablation process, through will get the pressure pipe cover and establish outside the probe body, the front end diameter of getting the pressure pipe is followed and is diminished along with the diameter of probe body diminishes, be convenient for the probe body with get the front end of pressing the pipe and insert in the focus together, and the temperature sensing probe who sets up in the bellying, can monitor the real-time temperature in the focus, and the real-time pressure in the focus, transmit to getting in the pressure pipe through the installation space, and go on real-time supervision to the pressure in the focus by getting the pressure pipe and exporting to pressure sensor, through the setting of temperature sensing probe and pressure sensor, the doctor who is responsible for carrying out the operation treatment can be fast carry out accurate judgement to the temperature and pressure in the focus, ensure the focus can not because high temperature, make the focus internal pressure too big and appear the focus outer wall rupture and lead to the condition of focus diffusion, the temperature control device is convenient for doctors to control the temperature more accurately when performing operations, thereby killing germs in the focus better and enabling patients to be recovered more quickly.

Drawings

Fig. 1 is a schematic view of the overall structure of the middle miniature probe of the present invention.

Fig. 2 is a schematic view of the overall structure of the micro probe at another angle.

Fig. 3 is a schematic structural diagram of the probe body of the present invention.

Fig. 4 is a schematic structural view of the pressure tapping pipe of the present invention.

Fig. 5 is a schematic plan view of the probe body according to the present invention.

Fig. 6 is a schematic view of the planar structure of the pressure tapping pipe of the present invention.

Fig. 7 is a schematic plan view of the overall structure of the middle miniature probe of the present invention.

Fig. 8 is a schematic view of the structure of the micro probe inserted into a lesion.

In the figure, 1 is a probe body, 2 is a pressure tapping pipe, 3 is a focus, 4 is a temperature sensing probe, 5 is a pressure sensor, 6 is a probe head, 7 is a bulge, 8 is an installation gap, 9 is a heating element, 10 is a temperature measuring end, 11 is a temperature measuring probe rod, 12 is a probe lead, 13 is a temperature sensing probe body, 14 is a pressure tapping pipe insertion end, 15 is an air chamber, 16 is an air chamber rear cover, 17 is a pressure outlet end, 18 is a side air hole, 19 is a limit groove, 20 is an air chamber sealing ring, and 21 is a rotary offset nut.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through an intermediary, so to speak, communicating between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art. The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.

As shown in fig. 1-4, a microprobe for measuring pressure and temperature during ablation comprises a microprobe body 1 and a pressure sampling tube 2, and further comprises a temperature sensing probe 4 for detecting the temperature in a lesion 3 and a pressure sensor 5 for detecting the pressure in the lesion 3; the front end of the probe body 1 is sequentially provided with a probe needle 6 and a bulge part 7, and the temperature sensing probe 4 is arranged in the bulge part 7; the pressure tapping pipe 2 is sleeved on the outer side of the probe body 1, the bulge part 7 is arranged in the pressure tapping pipe 2, and the pressure sensor 5 is communicated with the pressure tapping pipe 2; the utility model discloses a temperature sensing probe 4 in the bulge 7 detects the temperature of focus 3, and the pressure of focus 3 is transmitted to the pressure taking pipe 2 through the installation gap 8 when the probe needle 6 is inserted into the focus 3, and the temperature sensing probe 4 in the bulge 7 detects the temperature of focus 3, and the pressure of focus 3 is transmitted into the pressure taking pipe 2 through the installation gap 8, and is output to the pressure sensor 5 by the pressure taking pipe 2. the utility model discloses a pressure taking pipe 2 is sleeved outside the probe body 1, and the front end diameter of the pressure taking pipe 2 is followed and reduced along with the diameter reduction of the probe body 1, so that the probe body 1 and the front end of the pressure taking pipe 2 are inserted into the focus 3 together, and the temperature sensing probe 4 arranged in the bulge 7 can monitor the real-time temperature in the focus 3, and the real-time pressure in the focus 3 is transmitted into the pressure taking pipe 2 through the installation gap 8, and the pressure in the focus 3 is monitored in real time by the pressure taking pipe 2 output to the pressure sensor 5, through the arrangement of the temperature sensing probe 4 and the pressure sensor 5, a doctor in charge of operation treatment can quickly and accurately judge the temperature and the pressure in the focus 3, so as to ensure that the focus 3 can not be diffused due to the rupture of the outer wall of the focus 3 caused by the overlarge pressure in the focus 3 because of high temperature, and can conveniently control the temperature more accurately when the doctor performs the operation, thereby killing germs in the focus 3 better and enabling a patient to be recovered more quickly, in the utility model, the temperature sensing probe 4 comprises a temperature measuring end 10, a temperature measuring probe rod 11, a probe lead 12 and a temperature sensing probe body 13 connected with the probe lead 12, the temperature measuring end 10 is arranged in the bulge 7, one end of the temperature measuring probe rod 11 is connected with the temperature measuring end 10, the other end of the temperature measuring probe rod is connected with the probe lead 12 after passing through the probe body 1, and the temperature measuring end 10 is arranged in the bulge 7, when the protruding part 7 is inserted into the focus 3 along with the probe needle 6, the temperature measuring end 10 in the protruding part 7 can detect the temperature in the focus 3, and transmit the temperature to the probe lead wire 12 through the temperature measuring probe rod 11, and finally transmit the temperature to the temperature sensing probe body 13 to display the real-time temperature in the focus 3, so that the doctor can monitor the real-time temperature in the focus 3 in the operation process, wherein, the heating element 9 is arranged in the temperature measuring end 10, the micro probe can realize the heating and temperature controlling functions on the focus 3 by setting the heating element 9, and the temperature in the focus 3 can be heated and ablated by using the heating element 9 to control the temperature and heat, in the utility model, because the heating element 9 heats the probe body 1, and the heating element 9 heats the temperature in the focus 3, therefore, the temperature measuring end 10 can also measure the temperature of the focus 3 at the same time, the measured temperature is the temperature after heating.

In practical application, the probe body 1 and the pressure tapping pipe 2 can be made of high-temperature-resistant materials, so that the micro probe cannot be affected by the arrangement of the heating element 9, and the mode realizes one-needle multi-purpose and facilitates monitoring of the condition in a focus when a doctor performs an operation.

As shown in fig. 5, the pressure tapping pipe 2 comprises a pressure tapping pipe insertion end 14, an air chamber 15, an air chamber rear cover 16 and a pressure outlet end 17 connected with the pressure sensor 5; the pressure sampling pipe insertion end 14, the air chamber 15 and the pressure outlet end 17 are communicated in sequence; the insertion end 14 of the pressure tapping pipe is sleeved outside the boss 7, and the air chamber 15 is sleeved outside the probe body 1; the air chamber rear cover 16 is arranged at the tail end of the air chamber 15, the pressure tapping pipe 2 and the probe body 1 are combined into a whole by sleeving the pressure tapping pipe insertion end 14 on the outer side of the bulge 7, so that the probe needle 1 and the bulge 7 can be inserted into the whole conveniently, the air chamber 15 can play a role of pressure drawing, the pressure in the focus 3 is drawn by the air chamber 15 and is transmitted to the pressure outlet end 17 for output, so that the pressure sensor 5 can monitor the real-time pressure in the focus 3, in addition, the air chamber rear cover 16 can limit the retreat of the probe body 1 and can also exert a forward jacking force on the insertion of the probe needle 6 into the focus, and the insertion of the probe needle 6 into the focus 3 is assisted, in the utility model, the side air hole 18 is arranged on the pressure tapping pipe insertion end 14, the side air hole 18 is at least one, through the arrangement of the side air hole 18, the air chamber 15 can be assisted to play a role of pressure drawing, and in practical application, a plurality of side air holes 18 can be uniformly arranged on the inserting end 14 of the pressure tapping pipe according to the requirement so as to conveniently guide and press the focus 3.

As shown in fig. 6-8, the outer side of the probe body 1 is provided with a limiting groove 19, the limiting groove 19 is provided with an air chamber sealing ring 20, the probe body 1 is movably arranged in the air chamber 15 through the air chamber sealing ring 20, the air chamber sealing ring 20 can be limited through the arrangement of the limiting groove 19, so as to prevent the air chamber sealing ring 20 from displacing in the long-term use process, and in practical application, the number of the air chamber sealing rings 20 can be set according to the requirement to ensure the sealing performance between the probe body 1 and the pressure sampling tube 2, in the present invention, the air chamber sealing ring 20 is made of silica gel material, the air chamber sealing ring 20 made of silica gel material can ensure the sealing performance between the probe body 1 and the pressure sampling tube 2, so that the pressure transmitted into the air chamber 15 in the focus 3 is not leaked, and the pressure can only be transmitted into the pressure sensor 5 through the pressure outlet end 17, the pressure sensor 5 can accurately detect the pressure applied to the lesion 3 in real time.

In the utility model, a rotary eccentric nut 21 is arranged on a probe body 1, the rotary eccentric nut 21 is abutted against an air chamber rear cover 16, a probe needle 6 and a bulge 7 at the front end of the probe body 1 can be driven to rotate when the rotary eccentric nut 21 is rotated through the arrangement of the rotary eccentric nut 21, and the blockage existing in an installation gap 8 between the connecting parts of a pressure taking tube 2 and the bulge 7 can be removed through controlling the rotation so as to be beneficial to pressure leading, in the utility model, the bulge 7 is in a diamond shape, in practical application, the bulge 7 can be set into different shapes according to the use requirement, which are all within the protection range of the utility model, in addition, the probe body 1 and the pressure taking tube 2 are in a split structure, the split probe body 1 and the pressure taking tube 2 can be disassembled to be respectively cleaned and sterilized after use, thereby ensuring the cleanness of the probe body 1 and the pressure taking tube 2, prevent because washing and disinfection thoroughly and lead to probe body 1 and pressure pipe 2 in harmful substance's residue with breed, probe needle 6 all is within 1mm with the diameter of bellying 7, in practical application, probe needle 6 can set up according to the use needs with the diameter of bellying 7, and because probe needle 6 is less with the diameter of bellying 7, therefore, even detect pressure and temperature in many miniature probes insert focus 3 simultaneously, also can not lead to the fact the influence to the stability of focus 3, ensure that the harmful substance in the focus 3 can not spread out.

Example one

In this embodiment, when the operation treatment is required to be performed to the focus, the micro probe needs to be inserted into the focus, and the virus in the focus is eliminated by the high temperature generated by the heating element in the temperature measuring end, wherein, because the probe body is already heated when the heating element is heated, and the temperature in the focus is also heated when the heating element is heated, the temperature measuring end can also measure the temperature of the focus simultaneously, and the measured temperature is the temperature after heating, in the practical application, the probe body and the pressure taking tube can be made of high temperature resistant materials, and the micro probe is not affected by the arrangement of the heating element, through such a way, one needle is multi-purpose, which is convenient for the doctor to monitor the condition in the focus when performing the operation, compared with the prior art, the utility model discloses during the treatment, by inserting a plurality of micro probes around the focus, miniature probe is through monitoring the focus in the real-time temperature and the pressure of ablation in-process, avoid the focus outer wall to lead to the focus outer wall to break owing to the high pressure that produces among the thermotherapy process, the condition that the virus that leads to not being eliminated appears shifting, because the diameter of probe syringe needle and bellying is all within 1mm, therefore, even many miniature probes detect pressure and temperature in inserting the focus simultaneously, also can not cause the influence to the stability of focus, ensure that the harmful substance in the focus can not spread out, carry out the monitoring of temperature and pressure to the focus different positions through miniature probe, when being convenient for the operation goes on, the temperature of control heating element that the doctor can be more accurate, thereby control the time of melting temperature and control, can carry out better elimination to the virus in the focus, be convenient for patient's recovery.

In practical application, through the temperature measurement end that sets up in the microprobe, the temperature measurement end transmits the temperature of monitoring to the temperature sensing probe body through temperature measurement probe rod and probe lead wire, through such a mode, can monitor the temperature in different regions in the focus respectively, and pressure in the focus then loops through the pressure pipe and inserts the end, air chamber and pressure outlet end transmit to pressure sensor in, pressure sensor monitors the pressure in the focus, through the temperature and the pressure in the focus take accurate real-time supervision, the doctor of being convenient for carries out accurate judgement to the condition of focus in the clinic, the going on of the operation of being convenient for, the success probability of increase operation.

In the drawings, the positional relationship is described for illustrative purposes only and is not to be construed as limiting the present patent; it is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A miniature probe for measuring pressure and temperature in an ablation process comprises a probe body and a pressure tapping pipe, and is characterized in that: the temperature-sensing probe is used for detecting the temperature in the focus and the pressure sensor is used for detecting the pressure in the focus;

the front end of the probe body is sequentially provided with a probe needle head and a bulge, and the temperature sensing probe is arranged in the bulge;

the pressure tapping pipe is sleeved on the outer side of the probe body, the bulge part is arranged in the pressure tapping pipe, and the pressure sensor is communicated with the pressure tapping pipe;

the joint of the pressure tapping pipe and the bulge is provided with an installation gap, when the probe needle is inserted into a focus, the temperature of the focus is detected by the temperature sensing probe in the bulge, and the pressure of the focus is transmitted into the pressure tapping pipe through the installation gap and is output to the pressure sensor by the pressure tapping pipe.

2. The microprobe for measuring pressure and temperature during ablation according to claim 1, wherein: the temperature sensing probe comprises a temperature measuring end, a temperature measuring probe rod, a probe lead and a temperature sensing probe body connected with the probe lead, wherein the temperature measuring end is arranged in the bulge, one end of the temperature measuring probe rod is connected with the temperature measuring end, and the other end of the temperature measuring probe rod penetrates through the probe body and then is connected with the probe lead.

3. The microprobe for measuring pressure and temperature during ablation according to claim 2, wherein: and a heating element is arranged in the temperature measuring end.

4. The microprobe for measuring pressure and temperature during ablation according to claim 1, wherein: the pressure tapping pipe comprises a pressure tapping pipe insertion end, an air chamber rear cover and a pressure outlet end connected with the pressure sensor;

the pressure tapping pipe insertion end, the air chamber and the pressure outlet end are communicated in sequence;

the insertion end of the pressure tapping pipe is sleeved outside the boss, and the air chamber is sleeved outside the probe body;

the air chamber rear cover is arranged at the tail end of the air chamber.

5. The microprobe for measuring pressure and temperature during ablation according to claim 4, wherein: the pressure tapping pipe is characterized in that the insertion end of the pressure tapping pipe is provided with at least one side air hole.

6. The microprobe for measuring pressure and temperature during ablation according to claim 4, wherein: the probe body is arranged in the air chamber through the movable air chamber sealing ring, and the air chamber sealing ring is made of a silica gel material.

7. The microprobe for measuring pressure and temperature during ablation according to claim 4, wherein: the probe body is provided with a rotary eccentric nut which is abutted against the rear cover of the air chamber.

8. The microprobe for measuring pressure and temperature during ablation according to claim 1, wherein: the convex part is in a diamond shape.

9. The microprobe for measuring pressure and temperature during ablation according to claim 1, wherein: the probe body and the pressure sampling pipe are of a split structure.

10. The microprobe for measuring pressure and temperature during ablation according to claim 1, wherein: the diameters of the probe needle head and the bulge are within 1 mm.

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