CN206534693U - It is a kind of that the laparoscope of Detection location abdomen wall puncture device is excited based on light - Google Patents
It is a kind of that the laparoscope of Detection location abdomen wall puncture device is excited based on light Download PDFInfo
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- CN206534693U CN206534693U CN201621238048.7U CN201621238048U CN206534693U CN 206534693 U CN206534693 U CN 206534693U CN 201621238048 U CN201621238048 U CN 201621238048U CN 206534693 U CN206534693 U CN 206534693U
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Abstract
The laparoscope of Detection location abdomen wall puncture device excited based on light the utility model discloses a kind of, it is characterized in that：Sting device is that puncture needle is set in sleeve pipe, the probe unit being made up of optical transmitting set, optical receiver and light barrier is provided with the front end of paracentesis needle, the afterbody of paracentesis needle is provided with control axis and warning signal generator, and has connection line to be connected between probe unit and control axis and warning signal generator.The utility model judges whether the light intensity that optical receiver is received is less than given threshold using central controller, and starts warning signal generator when less than given threshold, points out to puncture successfully, it is to avoid blindly puncture the internal organs being likely to result in and injury of blood vessel risk.
Description
Technical field
The utility model is related to a kind of medicine equipment, more specifically a kind of laparoscope for exciting Detection location based on light
Use abdomen wall puncture device.
Background technology
With the development of laparoscopic technique, the operation that many is previously required to out abdomen is gradually replaced by laparoscopic surgery.Abdominal cavity
It must be punctured before videoendoscopic surgery, duct-like Trocar is inserted in stomach wall, be that laparoscope and operating theater instruments provide operation and led to
Road.Paracentesis depth is inadequate, it is impossible to get through operation path, punctures too deep, it is likely that damage abdominal visceral browser and blood vessel, severe patient
Patient vitals may be jeopardized.Therefore, accurately judge that abdomen wall puncture depth is extremely important.
At present, abdomen wall puncture be it is blind wear, operator rule of thumb penetrates retroperitoneal " break through sense " with puncture needle
Feel judge whether puncture needle reaches abdominal cavity.The anatomical structure of stomach wall is divided into skin, fascia superficialis (fat) layer, deep fascia
It is peritonaeum below (muscle) layer, stomach wall, is to reach abdominal cavity through peritonaeum.Due to there is potential lacuna between stomach wall and peritonaeum,
And peritonaeum quality is soft, tension force is extremely low, simple during puncture to judge paracentesis depth by the change of piercing needle resistance, easily causes
Erroneous judgement；And there is adjustment direction, interruption force in operating theatre staff's gimmick difference, puncture process, cause needle point position
Pressure oscillation is very big, the situation of needle tip distress resolves occurs because of the operation of pumpback puncture outfit sometimes, therefore, rule of thumb,
The trickle resistance change of feel, or erroneous judgement risk is all had based on the operation that pressure change monitors Needle localization.In addition, patient is present
Fat or thin, abdominal muscles thickness, intra-abdominal adhesions situation difference, and abdominal wall tissue are also increased and sentenced with the factors such as needle movement are punctured
Disconnected difficulty, extends the puncture time.
Utility model content
The utility model is not enough to excite Detection location based on light there is provided one kind for avoid present in above-mentioned prior art
Laparoscope abdomen wall puncture device, so as to can accurate, automatic prompting abdomen wall puncture depth, it is to avoid puncture and accidentally injure.
The utility model adopts the following technical scheme that to solve technical problem：
The utility model excites being structurally characterized in that for the laparoscope abdomen wall puncture device of Detection location based on light：It is described to wear
Thorn device is that puncture needle is set in sleeve pipe, is provided with the front end of paracentesis needle by optical transmitting set, optical receiver and light barrier structure
Into probe unit, the afterbody of the paracentesis needle is provided with control axis and warning signal generator, and there is connection line to exist
Connected between probe unit and control axis and warning signal generator.
The utility model excites the laparoscope of Detection location to be lain also in the design feature of abdomen wall puncture device based on light：Institute
Optical transmitting set is stated for light generating apparatus, lightwave signal can be launched, is usually but is not limited to LED light emitting diodes；It is described
Optical receiver is photoelectric signal conversion device, and the lightwave signal for optical transmitting set to be produced is irradiated to after being reflected through surrounding material
Lightwave signal on optical receiver is quantitatively converted into electric signal, is usually but is not limited to LED/photodiode.
The utility model excites the laparoscope of Detection location to be lain also in the design feature of abdomen wall puncture device based on light：Institute
Light barrier is stated for optical signal isolation plate, can stop that light wave is penetrated, the wavelength according to the light for needing to stop is different, selects as plastic plate
Or sheet metal.
The utility model excites the laparoscope of Detection location to be lain also in the design feature of abdomen wall puncture device based on light：Institute
State the control system that control axis is abdomen wall puncture device Detection location during abdomen wall puncture, including power supply, center
Controller, drive circuit, process circuit；The central controller regulates and controls drive circuit works, the photosignal warp of process circuit
Signal amplifies and analyzed after analog-to-digital conversion into central controller；Wherein, power supply is 3V button cells, is system work confession
Electricity, signal control and transmission line of the drive circuit by optical transmitting set is connected with optical transmitting set, and process circuit passes through light-receiving
The signal control of device and transmission line are connected with optical receiver；Judge whether is light intensity that optical receiver receives using central controller
Start warning signal generator less than given threshold, and when less than given threshold.
The utility model excites the laparoscope of Detection location to be lain also in the design feature of abdomen wall puncture device based on light：
The warning signal generator, to determine that piercing needle reaches the acousto-optic hint device in precalculated position, can be LED
Lamp or buzzer, central controller regulate and control the unlatching of warning signal generator.
The utility model excites the laparoscope of Detection location to be lain also in the design feature of abdomen wall puncture device based on light：Institute
The leading portion for stating puncture needle is set to transparent material, and the optical transmitting set and optical receiver are inlaid in the leading portion of paracentesis needle, and edge
The axis direction of paracentesis needle is arranged at intervals, wherein, optical transmitting set is in the front end of optical receiver, at the rear of the optical transmitting set
Light barrier is set, for stopping that the optical signalling that optical transmitting set is sent directly projects optical receiver.
The utility model excites the laparoscope of Detection location to be lain also in the design feature of abdomen wall puncture device based on light：Institute
It is infrared light, ultraviolet light or visible ray to state the optical signalling that optical transmitting set sends, wherein it is preferred that infrared light；The receiver correspondence
Infrared signal, UV signal or visible light signal are received, and is converted into photosignal.
Compared with the prior art, the utility model has the beneficial effect that：
Light in the utility model excites Detection location in puncture process, because puncture needle and abdominal wall tissue keep contacting,
And real-time monitoring state is constantly in, not by operating theatre staff's gimmick, puncture the factor interference such as dynamics, direction adjustment；Once
Needle point breaks through peritonaeum and enters abdominal cavity, and reflected light signal is decayed and starts pre-warning signal suddenly, sends sound or light, automatic prompting
Puncture successfully, operator is stopped operation in time, so that the abdominal viscera and blood vessel that effectively prevent caused by puncture are accidentally injured, greatly
Puncture risks are reduced greatly, the young doctor study and operation lacked experience is particularly conducive to, increases the operable of puncturing operation
Property and smooth degree, shorten operating time.In addition, actively being excited by light, the intensity of reflected light of reception being analyzed, component is sensitive
Property it is high, it is cheap.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is the utility model Cleaning Principle schematic diagram when piercing needle does not penetrate stomach wall during abdomen wall puncture；
Fig. 3 is that the utility model piercing needle during abdomen wall puncture enters abdominal cavity moment Cleaning Principle schematic diagram；
Fig. 4 is intelligence control system operation principle schematic diagram in the utility model.
Label in figure：1 optical transmitting set, 2 optical receivers, 3 light barriers, the signal control of 4 optical receivers and transmission line, 5 light
The signal control of transmitter and transmission line, 6 sleeve pipes, 7 puncture needles, 8 first sealing rings, 9 second sealing rings, 10 force seats, 11 controls
Maincenter processed, 12 sleeve pipe back seats, 13 puncture pin insertion apertures, and 14 be LED alarm lamp, 15 buzzers, 16 exciting lights, 17 reflected lights, 18
Stomach wall, 19 peritonaeums, 20 be LED lamplight, 21 buzzers.
Embodiment
Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the laparoscope for exciting Detection location based on light in the present embodiment is filled with abdomen wall puncture
The structure type put is：Sting device is the setting puncture needle 7 in sleeve pipe 6, is provided with the front end of paracentesis needle 7 by optical transmitting set
1st, the probe unit that optical receiver 2 and light barrier 3 are constituted, control axis is provided with the force seat 10 of the afterbody of paracentesis needle 7
11 and warning signal generator, and there is connection line to connect between probe unit and control axis 11 and warning signal generator
Connect.
In the present embodiment, optical transmitting set 1 is light generating apparatus, can launch lightwave signal, is usually but is not limited to
LED light emitting diodes；Optical receiver 2 is photoelectric signal conversion device, for the lightwave signal that produces optical transmitting set 1 through environment
The lightwave signal that is irradiated on optical receiver is quantitatively converted into electric signal after material reflection, is usually but is not limited to LED light
Electric diode；Light barrier 3 is optical signal isolation plate, can stop that light wave is penetrated, and the wavelength according to the light for needing to stop is different, selection
For plastic plate or sheet metal；The optical signalling that optical transmitting set 1 is sent is infrared light, ultraviolet light or visible ray, wherein it is preferred that red
Outer light；The correspondence of receiver 2 receives infrared signal, UV signal or visible light signal, and is converted into photosignal.
Control axis 11 be abdomen wall puncture device Detection location during abdomen wall puncture control system, including power supply,
Central controller, drive circuit, process circuit；Central controller regulates and controls drive circuit works, the photosignal warp of process circuit
Analyzed after amplification and analog-to-digital conversion into central controller；Wherein, power supply is 3V button cells, is system work power supply,
Signal control and transmission line 5 of the drive circuit by optical transmitting set are connected with optical transmitting set 1, and process circuit passes through optical receiver
Signal control and transmission line 4 be connected with optical receiver.
Warning signal generator, to determine that piercing needle reaches the acousto-optic hint device in precalculated position, can be LED 14
Or buzzer 15, the unlatching of central controller regulation and control warning signal generator.
In specific implementation, the leading portion of puncture needle 7 is set to transparent material, and optical transmitting set 1 and optical receiver 2 are inlaid in puncture
The leading portion of pin 7, and be arranged at intervals along the axis direction of paracentesis needle 7, wherein, optical transmitting set 1 is in the front end of optical receiver 2,
And in the front end conehead of puncture needle 7, light barrier 3 is set at the rear of optical transmitting set 1, for stopping that optical transmitting set 1 is sent
Optical signalling directly project optical receiver 2, it is to avoid interference signal.
Sleeve pipe 6 in the present embodiment also includes sleeve pipe back seat 12 and the He of the first sealing ring 8 inside sleeve pipe back seat 12
Second sealing ring 9, the first sealing ring 8 and the second sealing ring 9 are the rubber valve of cross open, prevent gas leakage in surgical procedure,
Set in the afterbody of sleeve pipe back seat 12 and puncture pin insertion apertures 13, puncture needle 7 runs through sleeve pipe 6 through puncture needle patchhole 13.
When abdomen wall puncture starts, operator's starting switch, power supply, which starts to work for system, powers.Central controller to
Drive circuit sends signal, and drive circuit produces the electric drive signal needed for optical transmitting set work, and optical transmitting set launches light source.
Meanwhile, optical receiver receives the optical signal that Tissue reflectance is returned, and reflected light signal changed into photosignal, and process circuit is by light
Electric signal amplifies and completes analog-to-digital conversion, passes to central controller.The light intensity that central controller analysis optical receiver is received,
Whether less than the threshold value set, if less than given threshold, control signal is sent to warning signal generator, start early warning letter
Number, point out to puncture successfully.
In the present embodiment, optical transmitting set preferred emission infrared light, optical receiver corresponds to infrared light receiver；Abdomen wall puncture
During, when piercing needle does not penetrate peritonaeum, piercing needle is in contact with abdominal wall tissue, and the optical transmitting set 1 being in conehead is sent out
The light wave of the exciting light 16 gone out is largely reflected by tissue, and reflected light 17 is received by optical receiver 2, and changes into optical telecommunications
Number pass to central controller；Needle point is through stomach wall 18 and breaks through the moment that peritonaeum 19 enters abdominal cavity, Tissue reflectance face is removed, reflection
Luminous intensity transient attenuation, during less than given threshold, central controller connects the power supply of LED alarm lamp 14 and buzzer 15, in real time
Early warning is sent with LED lamplight 20 and buzzer 21, points out to puncture successfully, operator stops puncturing in time, extracts puncture needle, will
Sleeve pipe stays in stomach wall, as subsequent procedures operating walk way.
Simply preferred embodiment of the present utility model is described for above-described embodiment, not to model of the present utility model
Enclose and be defined, on the premise of the utility model design spirit essence is not departed from, the equivalent transformation done to the utility model
Or modification, it should all cover within protection domain of the present utility model.
Claims (7)
1. a kind of excite the laparoscope of Detection location abdomen wall puncture device based on light, it is characterized in that：The sting device be
Puncture needle (7) is set in sleeve pipe (6), is provided with by optical transmitting set (1), optical receiver (2) and is in the light in the front end of paracentesis needle (7)
The probe unit that plate (3) is constituted, control axis (11) and warning signal generator are provided with the afterbody of the paracentesis needle (7),
And there is connection line to be connected between probe unit and control axis (11) and warning signal generator.
2. according to claim 1 excite the laparoscope of Detection location abdomen wall puncture device based on light, it is characterized in that：Institute
Optical transmitting set (1) is stated for light generating apparatus, lightwave signal can be launched, is usually but is not limited to LED light emitting diodes；Institute
Optical receiver (2) is stated for photoelectric signal conversion device, the lightwave signal for optical transmitting set (1) to be produced reflects through surrounding material
The lightwave signal being irradiated to afterwards on optical receiver is quantitatively converted into electric signal, is usually but is not limited to LED/photodiode.
3. according to claim 1 excite the laparoscope of Detection location abdomen wall puncture device based on light, it is characterized in that：Institute
Light barrier (3) is stated for optical signal isolation plate, can stop that light wave is penetrated, the wavelength according to the light for needing to stop is different, is selected as modeling
Flitch or sheet metal.
4. according to claim 1 excite the laparoscope of Detection location abdomen wall puncture device based on light, it is characterized in that：Institute
State control axis (11) be abdomen wall puncture device Detection location during abdomen wall puncture control system, including power supply,
Central controller, drive circuit, process circuit；The central controller regulates and controls drive circuit works, the optical telecommunications of process circuit
Number through signal amplification and analog-to-digital conversion after analyzed into central controller；Wherein, power supply is 3V button cells, is system work
Power, signal control and transmission line (5) of the drive circuit by optical transmitting set are connected with optical transmitting set (1), process circuit
Signal control and transmission line (4) by optical receiver are connected with optical receiver (2)；Judge optical receiver using central controller
Whether the light intensity received is less than given threshold, and start warning signal generator when less than given threshold.
5. according to claim 1 excite the laparoscope of Detection location abdomen wall puncture device based on light, it is characterized in that：
The warning signal generator, to determine that piercing needle reaches the acousto-optic hint device in precalculated position, can be LED
(14) or buzzer (15), central controller regulates and controls the unlatching of warning signal generator.
6. exciting the laparoscope of Detection location abdomen wall puncture device based on light according to claim 1,2,3 or 4, it is special
Levying is：The leading portion of the puncture needle (7) is set to transparent material, and the optical transmitting set (1) and optical receiver (2) are inlaid in puncture
The leading portion of pin (7), and be arranged at intervals along the axis direction of paracentesis needle (7), wherein, optical transmitting set (1) is in optical receiver (2)
Front end, the optical transmitting set (1) rear set light barrier (3), for stopping the optical signalling that optical transmitting set (1) is sent
Directly project optical receiver (2).
7. the laparoscope of Detection location abdomen wall puncture device is excited based on light according to claim 2, it is characterized in that：It is described
The optical signalling that optical transmitting set (1) is sent is infrared light, ultraviolet light or visible ray, wherein it is preferred that infrared light；The receiver (2)
Correspondence receives infrared signal, UV signal or visible light signal, and is converted into photosignal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621238048.7U CN206534693U (en) | 2016-11-18 | 2016-11-18 | It is a kind of that the laparoscope of Detection location abdomen wall puncture device is excited based on light |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621238048.7U CN206534693U (en) | 2016-11-18 | 2016-11-18 | It is a kind of that the laparoscope of Detection location abdomen wall puncture device is excited based on light |
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| Publication Number | Publication Date |
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| CN206534693U true CN206534693U (en) | 2017-10-03 |
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| CN201621238048.7U Active CN206534693U (en) | 2016-11-18 | 2016-11-18 | It is a kind of that the laparoscope of Detection location abdomen wall puncture device is excited based on light |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112885216A (en) * | 2021-01-28 | 2021-06-01 | 山西白求恩医院(山西医学科学院) | Intravenous injection training device for medical education training |
-
2016
- 2016-11-18 CN CN201621238048.7U patent/CN206534693U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112885216A (en) * | 2021-01-28 | 2021-06-01 | 山西白求恩医院(山西医学科学院) | Intravenous injection training device for medical education training |
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