CN210472289U - Detector for accurately positioning focus in laparoscopic minimally invasive surgery - Google Patents
Detector for accurately positioning focus in laparoscopic minimally invasive surgery Download PDFInfo
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- CN210472289U CN210472289U CN201920827996.1U CN201920827996U CN210472289U CN 210472289 U CN210472289 U CN 210472289U CN 201920827996 U CN201920827996 U CN 201920827996U CN 210472289 U CN210472289 U CN 210472289U
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- probe
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- detection chip
- focus
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Abstract
The utility model discloses a detector for carrying out accurate positioning to focus among peritoneoscope minimal access surgery, relate to the medical instrument field, this detector uses with magnetic material cooperation, the detector includes the gauge rod, the gauge rod includes handheld portion and response portion, be provided with the detection chip in the handheld portion, be provided with inductive probe in the response portion, inductive probe and detection chip interconnect, the detection chip is used for changing inductive probe's resonant frequency according to the determinand, make inductive probe's resonant frequency match with waiting to respond to, wait to respond to the thing and include magnetic positioning preparation, can combine with focus position specificity after magnetic positioning preparation pours into the focus position into; when the induction probe is positioned on the surface of the intestinal canal in the abdominal cavity, the closer the induction probe is to the object to be induced, the stronger the corresponding induction signal is. The utility model discloses a focus can be pinpointed on abdominal cavity intestinal canal surface fast to the detector, reduces operating personnel's configuration, shortens the operation time, reduces the operation degree of difficulty.
Description
Technical Field
The utility model relates to the field of medical equipment, concretely relates to a detector that is arranged in carrying out accurate positioning to focus among laparoscopic minimal access surgery.
Background
At present, when the micro-digestive tract tumor focus is positioned, an enteroscope is needed to be used for positioning the focus in an operation, a skilled endoscope physician is needed to search the focus in a matching way during the positioning, and a metal clip or an injection dye is used for marking the focus position.
In the process of searching for a focus by using an enteroscope, a large amount of gas is required to be injected to maintain an exploration visual field, so after the enteroscope is taken out, a large amount of residual gas exists in a digestive tract, the intestinal canal is expanded, and the subsequent surgical operation is seriously influenced by the obvious reduction of the operable space in an abdominal cavity; meanwhile, when the area of the focus is small, or the focus is a situation that no primary large focus exists after additional operation or new auxiliary treatment and a first indwelling permanent positioning mark is lacked, the difficulty of searching the corresponding focus by using an enteroscope is high, and long time is needed.
After the metal clip is used for positioning, the metal clip is easy to fall off and move in the body, is difficult to be used for long-time positioning and is difficult to be found outside the cavity; the dye is easy to diffuse after being positioned, the positioning accuracy is low, the positioning time is short, meanwhile, the indication cannot be provided for image examination, and the dye is not suitable for a guide mark for long-term follow-up.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model aims to provide a detector for carrying out accurate positioning to focus among the peritoneoscope minimal access surgery can be fast at the accurate location focus of abdominal cavity intestinal canal surface.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
a detector for accurately positioning a focus in laparoscopic minimally invasive surgery is matched with a magnetic material for use, and comprises a detection rod, wherein one end of the detection rod is provided with a handheld part, the other end of the detection rod is provided with an induction part, the handheld part is internally provided with a detection chip, the induction part is internally provided with an induction probe, the induction probe and the detection chip are mutually connected, the detection chip is used for changing the resonance frequency of the induction probe according to an object to be detected so that the resonance frequency of the induction probe is matched with the object to be detected, and simultaneously, the detection chip is also used for outputting a signal acquired by the induction probe, the object to be detected comprises a magnetic positioning preparation, the magnetic positioning preparation has magnetism, and the magnetic positioning preparation can be specifically combined with the focus and accumulated after being injected into the focus;
when inductive probe is located extracorporeally, and it is different with internal inductor distance of treating, inductive probe's sensing signal intensity is inequality, just inductive probe is close more with treating the inductor distance, and corresponding sensing signal is stronger.
Furthermore, a signal connector is arranged at one end, away from the detection rod, of the handheld portion, and the signal connector is used for transmitting the signal transmitted to the detection chip by the induction probe to be output.
Furthermore, signal interaction is carried out between the detection chip and the induction probe through a first inductor L1 and a second inductor L2, a first capacitor C1 and a second capacitor C2 are arranged between the first inductor L1 and the detection chip, and the first inductor L1 is connected with a filter end of the detection chip through a first capacitor C1 and a second capacitor C2.
Furthermore, the detector also comprises a detector, the detector is connected with the signal connector, and a third capacitor C3 is connected between the detection instrument and the detection chip.
Furthermore, the induction part also comprises an insulating support, the insulating support is connected with the inner extension rod of the detection rod, and a protective sleeve is arranged outside the induction part.
Further, the induction probe is located at an end of the induction portion, and the induction probe includes an induction coil.
Furthermore, the diameter of the detection rod is 4-10 mm.
Compared with the prior art, the utility model has the advantages of:
(1) the utility model discloses in be arranged in carrying out the detector of accurate positioning to focus among the peritoneoscope minimal access surgery, be provided with the detection chip in the handheld portion, be provided with inductive probe in the inductive part, inductive probe and detection chip interconnect, it is used for changing inductive probe's resonant frequency according to the determinand to survey the chip, make inductive probe's resonant frequency and wait that the response matches, and simultaneously, still be used for exporting the signal that inductive probe acquireed, it includes magnetic positioning preparation to wait that the determinand includes, magnetic positioning preparation has magnetism, can combine and accumulate with focus position specificity after magnetic positioning preparation pours into the focus position.
The positioning preparation is tightly combined with the focus part and is not easy to diffuse, can be used as a positioning marker for endoscope and image persistence, and has high positioning accuracy. Meanwhile, the positioning preparation can be marked in a local injection mode under the mucosa, so that the safety problem of the intravenous application of the iron-containing particles is avoided, and the positioning marker can provide marker guidance for the image examination of the small micro-focus of the digestive tract while not interfering with the operation.
When inductive probe is located extracorporeally, it is different with the internal inductor distance of treating, inductive probe's inductive signal intensity is inequality, and inductive probe is more close with treating the inductor distance, and corresponding inductive signal is stronger more, can remove to finding the focus position at abdominal cavity intestines tube surface, need not use the enteroscope in the operation, can reduce operating personnel's configuration, shorten the operation time, reduce the operation degree of difficulty, can also avoid the gaseous interference of enteric cavity in the scope method, can improve the success rate of performing the operation.
Drawings
Fig. 1 is a schematic structural diagram of a detector for accurately positioning a focus in a laparoscopic minimally invasive surgery according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an induction part in an embodiment of the present invention;
fig. 3 is a circuit diagram of the embodiment of the present invention, in which the sensing portion is matched with the detecting chip.
In the figure: 1-detection rod, 2-handheld part, 3-induction part, 4-detection chip, 5-induction probe, 6-signal connector, 7-detector, 8-inner extension rod, 9-insulating support, 10-protective sleeve and 11-induction coil.
Detailed Description
The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Referring to fig. 1 and fig. 2, the embodiment of the utility model provides a detector for carrying out accurate positioning to focus among laparoscopic minimal access surgery, this detector uses with the cooperation of magnetic material, the detector includes gauge rod 1 and detector 7, the one end of gauge rod 1 is provided with handheld portion 2, the other end is provided with response portion 3, be provided with in the handheld portion 2 and survey chip 4, be provided with inductive probe 5 in the response portion 3, the diameter of gauge rod 1 in this embodiment is 4 ~ 10mm, in actual production and use, the diameter and the length of gauge rod 1 can set up according to actual need.
One end that detecting rod 1 was kept away from to handheld portion 2 is provided with signal connector 6, signal connector 6 is connected with detector 7, signal connector 6 is used for exporting to detector 7 with inductive probe 5 transmission to the signal of surveying chip 4, and simultaneously, still be used for transmitting the detected signal (according to waiting the resonance frequency signal that inductive adjustment surveyed chip 4 and sent) of detector 7 output to surveying chip 5, detector 7 can show detected signal simultaneously through oscillogram and numerical value dual mode, medical personnel can follow the change condition that directly perceived detected signal on the oscillogram, and the strongest point of quick judgement signal (being the crest department of wave form), and simultaneously, can also compare with numerical value, increase the degree of accuracy.
When the inductive probe 5 is located outside the body and is different from the distance of the object to be sensed in the body, the strength of the inductive signal of the inductive probe 5 is different, and the closer the inductive probe 5 is to the object to be sensed, the stronger the corresponding inductive signal is.
Referring to fig. 3, signal interaction is performed between the probing chip 4 and the inductive probe 5 through a first inductor L1 and a second inductor L2, a first capacitor C1 and a second capacitor C2 are arranged between the first inductor L1 and the probing chip 4, the first inductor L1 is connected with a filter end of the probing chip 4 through a first capacitor C1 and a second capacitor C2, and a third capacitor C3 is connected between the probing chip 4 and the detection instrument 7.
The embodiment of the utility model provides an in induction part 3 still includes insulating support 9, and insulating support 9 is connected with the interior extension bar 8 of gauge rod 1 (gauge rod 1 includes extension bar and interior extension bar 8, and extension bar 8's outside including cup jointing), and induction part 3's outside is provided with protective sheath 10, and inductive probe 5 sets up the tip at induction part 3, and inductive probe 5 includes induction coil 11.
Scanning the induction probe 5 loaded with the induction coil 11 near an object to be induced, wherein the change of the distance between the induction probe 5 and the object to be induced can cause the change of the inductance of the induction coil 11; the specific resonance frequency is generated in the induction coil 11 by using the detection chip 4, when the inductance in the detection chip 4 is changed, the resonance frequency of the induction coil 11 is changed, and the relative position relationship between the induction probe 5 and the object to be sensed can be observed by accurately measuring the resonance frequency signal.
The utility model discloses a when the detector is arranged in peritoneoscope minimal access surgery focus to carry out the accurate positioning, specifically include following step:
before an operation, a focus position is searched through an enteroscope, a magnetic positioning preparation is injected into the focus position, in the operation, the resonance frequency of the induction probe 5 is adjusted through the detection chip 4 to be the same as that of the magnetic positioning preparation, the induction probe 5 is placed inside an abdominal cavity, the induction probe moves on the surface of an intestinal canal and observes signal changes, and when the signal is strongest, the part corresponding to the focus is obtained.
The utility model discloses a position at focus place can be accurately found out fast to the method, need not use the intestines mirror in the operation, can reduce operating personnel's configuration, shorten the operation time, reduces the operation degree of difficulty, and simultaneously, the combination at location preparation and focus position is inseparabler and difficult diffusion, can regard as the lasting location marker of scope and image, and the location accuracy is higher.
And simultaneously, the utility model discloses a mode of local injection under the mucosa is marked, avoids the security problem that the iron content particle vein was used, and the location marker can also provide the marker guide for the image inspection of the little focus of alimentary canal when not disturbing the operation.
Further, the utility model discloses the detector can also carry out the detection of metal residue in the clinical operation, through the resonance frequency of adjustment inductive probe 5 and metal residue's unanimity, place inductive probe 5 inside the abdominal cavity, the intestines tube surface remove and observe signal change can, when signal change, explain that there is metal residue in vivo, can fix a position metal position through careful detection, with seek or use X line photograph piece searching through artifical investigation among the prior art, lead to the operation time extension, make the patient expose and compare under the X line, the utility model provides an embodiment's detector not only can reduce the operation time, and only detect through the intestines tube outward just can fix a position, and is more simple and convenient, and safe high-efficient, reduces patient's operation disease pain sense, reduces the operation expense.
The present invention is not limited to the above preferred embodiments, and any person can obtain other products in various forms without departing from the scope of the present invention, but any change in shape or structure is within the scope of protection.
Claims (7)
1. A detector for accurately positioning a focus in laparoscopic minimally invasive surgery, the detector being used in cooperation with a magnetic material, the detector comprising a detection rod (1), characterized in that: one end of the detection rod (1) is provided with a handheld part (2), the other end of the detection rod is provided with an induction part (3), a detection chip (4) is arranged in the handheld part (2), an induction probe (5) is arranged in the induction part (3), the induction probe (5) and the detection chip (4) are connected with each other, the detection chip (4) is used for changing the resonance frequency of the induction probe (5) according to an object to be detected so that the resonance frequency of the induction probe (5) is matched with the object to be detected, and meanwhile, the detection chip is also used for outputting a signal acquired by the induction probe (5), the object to be detected comprises a magnetic positioning preparation, the magnetic positioning preparation has magnetism, and the magnetic positioning preparation can be specifically combined with a focus part and accumulated after being injected into the focus part;
when inductive probe (5) are located extracorporeally, and it is different with the internal object distance of waiting to respond to, inductive probe (5)'s sensing signal intensity is inequality, just inductive probe (5) are close with waiting to respond to the object distance, and corresponding sensing signal is stronger.
2. A probe for precise localization of a lesion in laparoscopic minimally invasive surgery according to claim 1, wherein: one end, far away from the detection rod (1), of the handheld portion (2) is provided with a signal connector (6), and the signal connector (6) is used for outputting a signal transmitted to the detection chip (4) by the induction probe (5).
3. A probe for precise localization of a lesion in laparoscopic minimally invasive surgery according to claim 2, wherein: the signal interaction is carried out between the detection chip (4) and the induction probe (5) through a first inductor L1 and a second inductor L2, a first capacitor C1 and a second capacitor C2 are arranged between the first inductor L1 and the detection chip (4), and the first inductor L1 is connected with a filter end of the detection chip (4) through a first capacitor C1 and a second capacitor C2.
4. A probe for precise localization of a lesion in laparoscopic minimally invasive surgery according to claim 3, wherein: the detector further comprises a detector (7), the detector (7) is connected with the signal connector (6), and a third capacitor C3 is connected between the detector (7) and the detection chip (4).
5. A probe for precise localization of a lesion in laparoscopic minimally invasive surgery according to claim 3, wherein: the induction part (3) further comprises an insulating support (9), the insulating support (9) is connected with an inner extension rod (8) of the detection rod (1), and a protective sleeve (10) is arranged outside the induction part (3).
6. A probe for precise localization of a lesion in laparoscopic minimally invasive surgery according to claim 3, wherein: the induction probe (5) is positioned at the end part of the induction part (3), and the induction probe (5) comprises an induction coil (11).
7. A probe for precise localization of a lesion in laparoscopic minimally invasive surgery according to claim 1, wherein: the diameter of the detection rod (1) is 4-10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920827996.1U CN210472289U (en) | 2019-06-03 | 2019-06-03 | Detector for accurately positioning focus in laparoscopic minimally invasive surgery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920827996.1U CN210472289U (en) | 2019-06-03 | 2019-06-03 | Detector for accurately positioning focus in laparoscopic minimally invasive surgery |
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| Publication Number | Publication Date |
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| CN210472289U true CN210472289U (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920827996.1U Expired - Fee Related CN210472289U (en) | 2019-06-03 | 2019-06-03 | Detector for accurately positioning focus in laparoscopic minimally invasive surgery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110115634A (en) * | 2019-06-03 | 2019-08-13 | 华中科技大学同济医学院附属协和医院 | One kind is for carrying out pinpoint detector to lesion in laparoscopic minimally invasive surgery |
-
2019
- 2019-06-03 CN CN201920827996.1U patent/CN210472289U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110115634A (en) * | 2019-06-03 | 2019-08-13 | 华中科技大学同济医学院附属协和医院 | One kind is for carrying out pinpoint detector to lesion in laparoscopic minimally invasive surgery |
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Granted publication date: 20200508 |