CN1695546A - Cavity diagnosis system - Google Patents

Abstract

A body cavity diagnostic system includes a medical procedure instrument for practicing a surgical procedure on an affected part within a body cavity of a patient, a body cavity diagnostic unit for optically capturing an image of an interior of the body cavity, the body cavity diagnostic unit being fixedly put in an incision formed in a body wall of the patient; and a monitor unit for magnifying and displaying a desired part of the image on a monitor screen. Either one of the medical procedure instrument and the cannula is provided with a position representation mark on its distal end. A part of the image detected the mark detection element is trimmed and magnified so as to be displayed in a center area of the monitor screen.

Description

Cavity diagnosis system

Technical field

The present invention relates to the body cavity viewing system, in particular to a kind of body cavity viewing system that is used for people or animal patient execution aggressive operation or aggressive operation process, it is visual observation body pipeline, chamber, gap and internal on monitor.

Background technology

Laparoscopic apparatus is the medical science endoscope that a kind of body pipeline, chamber, gap and internal who is used for people or animal patient observes or check, be used to carry out multiple operation process, on monitor, observe the image of the infected part of body, such as adhesion, ovarian tumor, hysteromyoma.Such peritoneoscope is inserted into by trocar sleeve or pipe by skin and enters body cavity.For transdermal, the relative skin of the far-end of trocar sleeve settles and the trocar is inserted into by trocar sleeve.By the near-end of extruded sleeve bobbin, the tip of the trocar is forced to by skin and enters body cavity to produce otch up to it.At this moment, trocar sleeve is inserted into by the formed otch of the trocar.Then, the trocar is drawn out of, and stays trocar sleeve as the mode of entrance that enters body cavity.In surgical procedures, the maintenance that is fixed of the removable keeper of the stationary part of the body wall of peritoneoscope by being fixed to the patient.Such laparoscopic diagnosis and process apparatus are disclosed among the Japanese unexamined patent publication No.2003-265402.

When implementing laparoscopic surgery or process, on patient's body wall, produce three to four otch usually, be used for inserting a plurality of medical instruments by the trocar.One or two manipulate surgical doctor operates medical instrument, observes the image of the body cavity of catching by peritoneoscope on the monitor.Except the manipulate surgical doctor, one or two assistant surgeon operate peritoneoscope and common clinical manipulation are provided.

Existing cavity diagnosis system needs four to five operations and assistant surgeon usually, worse, they are subjected to the pining down of a plurality of cables of the signal output cable that extends such as the light pilot cable and from charge coupled device (CCD) imageing sensor around operating-table that extends from light source.Therefore, the cavity diagnosis system that needs a kind of less surgeon's operation.

Summary of the invention

Therefore, the purpose of this invention is to provide a kind of by less surgeon operation and center on the cavity diagnosis system that number of cable that operating-table extends reduces.

Aforementioned purpose of the present invention realizes by a kind of cavity diagnosis system, comprise: the body cavity diagnostic unit, be used for catching optically the image of the inside of body cavity, and the picture signal of image transmitted towards the image received device that is used for visual diagnostic, the body cavity diagnostic unit is put in the otch on the body wall that is formed on the patient regularly.The body cavity diagnostic unit comprises and is used for the illuminator that thrown light in the inside of body cavity; Image-pickup optical system comprises: the solid-state image checkout gear, and the image transitions that is used for forming thereon is a picture signal; The device for signalling that is used for wireless (by air) transmitted image signal, and the power supply that is used for electric energy is supplied to illuminator, solid-state image imaging device and device for signalling.

According to a further advantageous embodiment of the invention, cavity diagnosis system comprises the medical instrument that is used for carrying out on the infected part operation process in patient's body cavity, medical instrument is inserted in the body cavity by the sleeve pipe as route of entry, the body cavity diagnostic unit, be used for catching optically the image of the inside of body cavity, the body cavity diagnostic unit is put in the intraparietal otch that is formed on the patient regularly, and monitor unit, is used to amplify and show the required part of the image on the indicator screen.

Body cavity diagnostic and process preferably include the position indication mark that is formed on medical instrument and the sleeve pipe far-end one of at least.Monitor unit is adjusted in the desired zone of image with enlarged image shown on the monitor plane and is made position indication mark placed in the middle.This Flame Image Process makes and to be easy to amplify and to show the actual part that is affected in the body cavity, and without other people help.

Cavity diagnosis system has been eliminated manipulate surgical doctor essential of image of the body cavity of the patient on the operation laparoscopic visualization monitor screen.Comprising having eliminated the light pilot cable and the signal output cable that extends around operating-table essential by illuminator that internal battery drove and by the body cavity diagnostic unit of air transmitted image signal.

The unitary optical system of body cavity diagnostic has the visual angle of broad usually, because it is put in patient's the body wall in the formed otch regularly.But,, check that actual infected part is just relatively more difficult in the body cavity if show the image completely of being caught by the wider angle optical system.Thisly be inconvenient to eliminate by following method, promptly adjust and amplify part by the image that mark detecting apparatus detected that is used to detect the labelling on the medical instrument, thereby even image catch in the central area that also is displayed on monitor screen by broad diopter optical system.Therefore, manipulate surgical doctor can handle medical instrument, and need not operate the body cavity diagnostic unit of putting into regularly in the intraparietal otch that is formed on the patient.

Cavity diagnosis system is provided preferably with the body cavity diagnostic unit with interchangeable optical system.The solid-state image checkout gear of interchangeable optical system is connected by adapter electricity with the unitary sender unit of body cavity diagnostic, is sent to signal receiver device on the monitor side from the picture signal of solid-state image checkout gear by air like this.

Illuminator can comprise one or more light emitting diode, and described light emitting diode size is significantly less than illuminating lamp.This provides overall dimensions less small size body cavity diagnostic unit, and has saved electric energy in addition.Preferably use color and the different light emitting diode of position indication mark that accurately detects.

More preferably, cavity diagnosis system also comprises: receive from the picture signal receiving device of the picture signal of the wireless transmission of sender unit; Based on the monitor apparatus that is used to show visual pattern by the picture signal that signal receiving device received; And medical instrument, be used in body cavity, carrying out surgical procedures on the infected part; Medical instrument is inserted in the body cavity by the sleeve pipe as route of entry.

The body cavity diagnostic unit can comprise laparoscopic diagnosis system or thoracoscope diagnostic system.

Description of drawings

Aforementioned and other purpose of the present invention will from following description and in conjunction with the accompanying drawings and detail knowledge to, and identical Reference numeral is used to indicate identical or similar parts.Wherein:

Fig. 1 schematically illustrated according to the first embodiment of the present invention have a unitary cavity diagnosis system of body cavity diagnostic, described body cavity diagnostic unit is built-in with the image capturing optical system;

Fig. 2 has shown the explanation view that uses the clinical manipulation of cavity diagnosis system;

Fig. 3 is the block diagram of the system structure of cavity diagnosis system;

Fig. 4 has shown the illustrative of visual axis to tracking system;

Fig. 5 has shown the explanation view that uses the clinical manipulation of cavity diagnosis system according to other embodiments of the present invention; And

Fig. 6 has shown the explanation view of use peritoneoscope as the clinical manipulation of cavity diagnosis system.

The specific embodiment

Below will be in detail with reference to accompanying drawing, especially, with reference to Fig. 1,2, showncavity diagnosis system 10A according to the first embodiment of the present invention, describedcavity diagnosis system 10A comprisesoperation tool 12, hollow trocar 14, body cavity diagnostic unit 16A,graphics processing unit 18 andmonitor 20 etc.Be used to lying in the people on the operation table 22 or the body cavity of animal patient, comprise operation part 30, the longitudinal axis 32 and pair of forceps 34 such as theoperation tool 12 of carrying out laprascopic surgical procedure on the infected part 26 within the abdominal cavity,surgeon 28 is by described operation part 30 operation instruments 12.Thestomach wall 42 thatoperation tool 12 is positioned in bypatient 24 is in the hollow trocar 14 of application on human skin and Musclar layer insertion, and it is interior as the route of entry that enters abdominal cavity 26 to staystomach wall 42, and tweezers 34 are outstanding from the far-end of hollow trocar 14 like this.Hollow trocar 14 is constituted by have the grip tube 46 that sharp-pointed end points is used on the near-end of the metal tube 44 that is easy to insert and manipulatesurgical doctor 28 clampings at far-end.For transdermal, also the placed ofstomach wall 42 and extruding are most advanced and sophisticated to force the tip to enter the skin and the Musclar layer ofstomach wall 42 by skin up to it relatively for the grip tube 46 of manipulate surgical doctor's 28 retaining sleeve bobbins 14.At this moment, the metal tube 44 of hollow trocar 14 is by being inserted into by the formed perforation in tip, and hollow trocar 14 is retained in thestomach wall 42 as the route of entry that enters abdominal cavity 26.

Body cavity diagnostic unit 16A is placed in the otch 43 that forms near thestomach wall 42 that is used for the perforation that hollow trocar 14 passes through regularly.This body cavity diagnostic unit 16A has cylinder units housing 48, described cylinder units housing 48 has threaded cylinder flange 49 and is fastened to the collection inclined-plane 50 of threaded cylinder flange 49, be used for body cavity diagnostic unit 16A is anchored totherebetween stomach wall 42, thus body cavity diagnostic unit 16A is fixed in the otch 43 of stomach wall 42.Inside in unit housings 48 is provided with: a plurality of light emitting diodes (LED) 52, describeddiode 52 are accommodated within the circular cell 64 that is formed in the unit housings 48; The power supply of little and light weight is such ascoin shape battery 54; Image-pickupoptical system 60, described image-pickupoptical system 60 comprise theoptical lens system 56 that is contained in the cylindrical center chamber 70 and such as the solid-state image checkout gear that is arranged on electric coupling device (CCD)imageing sensor 58 after theoptical lens 56; Be used for wirelessly sending theemitter 62 of picture signal and being used to handle image-signal processor 74 (referring to Fig. 3) from the picture signal of ccd image sensor 58.LED52 is positioned in the regular angular spacing on the circle on the optical axis with optical lens system of being centered close to 56.Unit housings 48 is provided with transparent diffuser plate 66 on its far-end, be used for covering airtightly LED52, and lamella lucida 68, is used for covering airtightly optical lens system 56.Optical lens system 56.Coin shape battery 54 is arranged on the bottom of threaded cylinder flange 49 removedly.Unit housings 48 also is provided with dismountable lid 70 at its near-end.Lid 70 is disassembled and is used for replacing new coin shape battery 54.Battery 54 supplies to LED54,ccd image sensor 58 andemitter 62 and image-signal processor 74 with power supply.

The optical illumination object 36 of Gou Zao body cavity diagnostic unit 16A fromLED 52 like this, i.e. infected part in the abdominal cavity 26, and onccd image sensor 58, form optical imagery by optical lens system 56.The picture signal thatccd image signal 58 is changed the optical imagery that forms on it is processed in image-signal processor 74, sends to the imagesignal processing unit 18 shown in Fig. 1 fromemitter 62 byantenna 76 then.Therefore, body cavity diagnostic unit 16A have the illumination body cavity, to the body cavity imaging with send the function of the image of body cavity.

Fig. 3 is the block diagram that has shown body cavity diagnostic unit 16A and imagesignal processing unit 18, forms signal communication therebetween.Imagesignal processing unit 18 comprisespicture sensor 78,distortion control device 82 and the labelling tracking means (image-region is selected and amplifying device) 90 that is provided withreception antenna 80, and described labelling tracking means 90 comprisesmark detecting apparatus 84, adjustingdevice 86 and amplifying device 88.Receive byreception antenna 80 bypicture sensor 78 from the picture signal of imagesignal processing unit 18, be transmitted into the image fault that cause took place thatdistortion control device 82 is used to correct the optical property of theoptical lens system 56 that is used for image-pickupoptical system 60 then by transmittingantenna 76 outputs.After distortion was corrected, picture signal was further sent to labelling tracking means 90.

The detailed description of labelling tracking means 90 will provide below.Put into regularly in the otch 43 that is formed onstomach wall 42 for body cavity diagnostic unit 16A, it is favourable with the whole zone of observing abdominal cavity 26 that image-pickupoptical system 60 has fully big visual angle.But, shown by body cavity diagnostic unit 16A by having the image in whole zone atmonitor 20, can not on part, carry out actual visual inspection near the abdominal cavity 26 of the far-end ofoperation tool 12 and/or hollow trocar 14 to such an extent as to the image on the monitor is too little such as the body cavity 26 of 60 optical acquisitions of image-pickup optical system with great visual angle of 170 degree.In order to overcome this problem, the tweezers 34 ofoperation tool 12 are provided with the position indication mark M of different colours (for example blue), can feel different on described color and the body cavity color vision.In the process of the Flame Image Process of labelling tracking means 90, the position indication mark M that mark detectingapparatus 84 is distinguished on the tweezers 34.Then, adjustingdevice 86 detected image are to be positioned at position indication mark M in the preliminary dimension of picture.The specific dimensions of amplifyingdevice 88 enlarged image on required amplification is with the screen offilling monitoring device 20 thus.Graphics processing unit 18 has and amplifiescontrol knob 19 and be used to the amplification that provides required.Like this, manipulatesurgical doctor 28 just can detect the actual infected part near near the abdominal cavity 26 the tweezers 23 of thesupercentral operation tool 12 on the grand design shown on the monitor 20.That is to say that labelling tracking means 90 makes manipulatesurgical doctor 28 concentrate operation process and need not operate and put into actual infected part and the surgical help of needs assistant still less that the body cavity diagnostic unit 16A that is formed in thestomach wall 42 is used to search for abdominal cavity 26 regularly.Since labelling tracking means 90 always tracing positional expressive notation M so that it is placed in the middle on the screen ofmonitor 20, manipulate surgical doctor and Ta or her assistant surgeon can detect the image that is exaggerated near the actual infected part in the abdominal cavity 26 of the tweezers 23 of surgical technique and tools 1, even the position change of the position indication mark M on the tweezers that operation caused 23 ofgeneration operation tool 12 or hollow trocar 14.

Graphics processing unit 18 is provided withpermutator 92, be used for alternativelymonitor 20 being connected to the amplifyingdevice 88 ofdistortion control device 82 and image, with respectively alternatively show the image after distortion is corrected only on themonitor 20 and inmonitor 20 in the heart demonstration comprise the image that is exaggerated of position indication mark M.When selecting thatmonitor 20 is connected todistortion control device 82, the original image in the zone in the whole chamber 26 by the optical acquisition of body cavity diagnostic unit 16A institute shows onmonitor 20 and is examined.The connection thatmonitor 20 is connected todistortion control device 82 is selected to make manipulate surgical doctor and/or his or her assistant surgeon obtain and is determined the position in whole zone of the tweezers 34 relative body cavitys 26 of operation tool 12.On the other hand, when selecting thatmonitor 20 is connected to amplifyingdevice 88, the enlarged image of the actual infected part in the abdominal cavity 26 of the tweezers 23 ofclose operation tool 12 shows onmonitor 20 and is examined.

As mentioned above, according to thecavity diagnosis system 10A of structure like this, put into regularly the body cavity diagnostic unit 16A that are formed in thestomach wall 42 catch by image-pickupoptical system 60 body cavity 26 inside optical imagery and transmit picture signal byemitter 62 signals corresponding to the optical imagery that is incorporated into thegraphics processing unit 18 in the monitor 20.As a result, the assistant surgeon who operates the body cavity diagnostic unit 16A ofcavity diagnosis system 10A of the present invention traditionally becomes unnecessary.In addition, body cavity diagnostic unit 16A excitesLED 52 and the signal emission picture signal for the body cavity internal image with built-incoin shape battery 54, this just there is no need to utilize any smooth pilot cable, such as the fibre bundle of the inside of the body cavity that is used to throw light on and any transmission cable between the graphics processing unit 18.As a result, the surgical number of the necessary assistant of clinical treatment can reduce as much as possible, and can not follow any inconvenience, and provides clean and tidy environment owing to the wiring system of simplifying centers on operation table 22.

In addition, use this structure, form contrast with the conventional light source of the bulb of traditional use such as little, lower powered metal halide release etc., comprise thatLED 52 has realized more effectively densification of power supply saving, weight saving, miniaturization and integral body as the body cavity diagnostic unit 16A of lighting source.As a result, just can on patient's stomach wall, form a less otch and insert body cavity diagnostic unit 16A.Compare with traditional bulb,LED 52 produces littler hot release value, and body cavity diagnostic unit 16A prevents that projection is subjected to thermostimulation or burns damage.AlthoughLED 52 unqualified emission colors, utilize the location tables indicating know M andLED 52 each other other color of vision phase region be important.For example, when utilization has theLED 52 of red emission light, preferably M is known in the location tables indicating and give blueness.

Fig. 4 shows the visual axis line following system 100 of conduct to the substitute of labelling tracking means 90, is used for image-region and selects and amplifying device.As shown in the figure, visual axis line following system 100 comprises infrared camera 102, i.e. glasses monitoring camera, and focus detector 104.Infrared camera 102 catch manipulatesurgical doctor 28 eyes image and with the pip on infrared ray (preferably higher rectangle weak laser beam) the perception cornea.Focus detector 104 is found out the focus of image shown on vision axis and thedetection monitor 20 based on the information of the pip on the cornea, distance between the screen of consideration manipulatesurgical doctor 20 andmonitor 20, described focus is observed in the current maintenance of manipulate surgical doctor.After having detected the focus on the image, 86 pairs of image adjustment of adjusting device are with placed in the middle in the predetermined size of picture with focus, and amplifyingdevice 88 with the specific dimensions of required amplification enlarged image with the screen of fillingmonitoring device 20 thus.Like this, according to visual axis line following system 100, manipulate surgical doctor and Ta or she assist the surgeon can detect being exaggerated image of actual infected part in abdominal cavity 26 and need not use the tweezers 23 ofoperation tool 12, do not have position indication mark M on the tweezers 23.

Fig. 5 has shown cavity diagnosis system 10B according to an alternative embodiment of the invention.Cavity diagnosis system 10B structure is similar to previous embodiment, is provided with the interchangeable image-pickup optical system that is installed in the cylinder units housing 48B except cavity diagnosis system 10B.Interchangeable image-pickup optical system comprises cylinder or the optical lens system 149 in the socket 161 that is installed in the cylinder opening 149 that removably is contained in cylinder units housing 48B and is arranged onoptical lens system 56 charge-coupled device (CCD)imageing sensor 58 afterwards.The holding wire 102 ofccd image sensor 58 extends in the hole of cylindrical drum 161 and is connected to the adapter 104 that is embedded in the cylindrical drum 161.When cylindrical drum 161 was accommodated within the cylinder opening 149 of cylinder units housing 48B, adapter 104 electricity were connected to the enumerator adapter 110 that is embedded among the cylinder units housing 48B.This adapter 110 is electrically connected to substrate 112 will be transmitted into the image-signal processor 74 (referring to Fig. 3) that is encapsulated on the substrate 112 from the picture signal of ccd image sensor 58.Because remaining component parts structure is identical with previous embodiment with operation, omit explanation herein.

According to cavity diagnosis system 10B with body cavity diagnostic unit 16B, use together with different interchangeable image-pickup optical system, body cavity can be observed according to the required visual angle for the different interchangeable image-pickup optical system of described systems produce.

Fig. 6 has shown the cavity diagnosis system according to further other embodiment of the present invention, be particularly related to laparoscopic diagnosis and procedures system 10C, wherein the combination of peritoneoscope 110 and hollow trocar 14 is used as otherdiagnostic system 10A of aforesaid previous embodiment or body cavity diagnostic unit 16A or the 16B of 10B.As common inflexible optics peritoneoscope, be used in combination with hollow trocar traditionally, be used for the optics peritoneoscope is inserted into body cavity.For the sight line of the inside that changes relative body cavity, the rigid optical peritoneoscope in the hollow trocar that tilts usually or be formed slopely the hollow trocar in the formed otch in patient's body.But because less clearance and because the body wall of hollow trocar by the patient, promptly skin layer and people's muscle limits just between rigid optical peritoneoscope and the hollow trocar, this just is difficult to peritoneoscope is placed on the required view directions.Be easy to when using laparoscopic diagnosis and procedures system 10C, overcome in this problem of using traditional rigidity peritoneoscope to be run into.

Although preferred embodiments of the present invention have been disclosed for illustrative, those of ordinary skill are appreciated that and can make amendment to the present invention under the situation that does not deviate from spirit of the present invention and essence, its scope is by claims and be equal to and limit.

Claims (12)

1. cavity diagnosis system comprises:

Medical instrument is used for carrying out operation process on the infected part in patient's body cavity; Described medical instrument is inserted in the described body cavity as route of entry by sleeve pipe;

The body cavity diagnostic unit is used for catching optically the image of the inside of described body cavity, and described body cavity diagnostic unit is put in the otch that forms in described patient's body wall regularly; With

Monitor unit is used on indicator screen amplifying and showing the required part of described image.

2. cavity diagnosis system according to claim 1, also comprise and be formed on described medical instrument and the described sleeve pipe position indication mark on one of them the far-end at least, wherein said monitor unit is adjusted described image, with placed in the middle in the described described desired zone that is exaggerated image that described position indication mark is shown on described monitor screen.

3. cavity diagnosis system according to claim 2 is characterized in that, described position indication mark uses and the visibly different color of body cavity color.

4. cavity diagnosis system according to claim 1 is characterized in that, described monitor unit comprises: mark detecting apparatus is used to detect described position indication mark; Adjusting device is used for described image is adjusted into predetermined picture dimension, so that described position indication mark is placed in the middle at described predetermined picture dimension; And amplifying device, be used for amplifying the described image that is adjusted with required amplification.

5. cavity diagnosis system comprises:

Medical instrument is used for carrying out laparoscopic procedures on the infected part in patient's body cavity; Described medical instrument is inserted in the described body cavity as route of entry by sleeve pipe;

Peritoneoscope, described peritoneoscope have the optical system of the image that is used for catching optically described body cavity inside, and described peritoneoscope is inserted in the described body cavity by the otch in the body wall that forms in described patient's body wall; With

Monitor unit is used on monitor screen amplifying and showing the required part of described image.

6. cavity diagnosis system according to claim 5, also comprise and be formed on described medical instrument and the described sleeve pipe position indication mark on one of them the far-end at least, wherein said monitor unit is adjusted described image, with placed in the middle in the described described desired zone that is exaggerated image that described position indication mark is shown on described monitor screen.

7. cavity diagnosis system according to claim 5 is characterized in that, described position indication mark uses and the visibly different color of body cavity color.

8. cavity diagnosis system according to claim 5 is characterized in that, described monitor unit comprises: mark detecting apparatus is used to detect described position indication mark; Adjusting device is used for described image is adjusted into predetermined picture dimension, so that described position indication mark is placed in the middle at described predetermined picture dimension; And amplifying device, be used for amplifying the described image that is adjusted with required amplification.

9. cavity diagnosis system comprises:

The body cavity diagnostic unit, be used for catching optically the image of the inside of described body cavity, and the picture signal of described image sent towards the image received device that is used for the visual angle diagnosis, described body cavity diagnostic unit is put in the otch that forms in described patient's body wall regularly;

Wherein said body cavity diagnostic unit comprises: illuminator, the inside of the described body cavity that is used to throw light on; Image-pickup optical system comprises the solid-state image checkout gear, and being used for formed image transitions on it is picture signal; Sender unit is used for the described picture signal of wireless transmission; And power supply, be used for power supply is supplied to described illuminator, described solid-state image checkout gear and described sender unit.

10. cavity diagnosis system according to claim 9 is characterized in that described image-pickup optical system is interchangeable.

11. cavity diagnosis system according to claim 9 is characterized in that, described illuminator comprises light emitting diode.

12. cavity diagnosis system according to claim 9 is characterized in that, also comprises: picture signal receiving device is used to receive the picture signal from described sender unit wireless transmission; Monitor apparatus is used for based on showing visual pattern by the picture signal that described picture signal receiving device received; And medical instrument, be used on described endoceliac infected part, carrying out operation process; Described medical instrument is inserted into described body cavity by sleeve pipe as route of entry.

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