CN218792419U

CN218792419U - Ultrasonic scalpel system

Info

Publication number: CN218792419U
Application number: CN202320111351.4U
Authority: CN
Inventors: 胡华宇; 韦禹帆; 闵柠柠; 张博雅; 朱京津; 李帅岐; 刘小涵
Original assignee: Nankai University
Current assignee: Nankai University
Priority date: 2023-01-13
Filing date: 2023-01-13
Publication date: 2023-04-07
Anticipated expiration: 2033-01-13

Abstract

The utility model discloses an ultrasonic knife system, which relates to the technical field of ultrasonic knife systems and comprises a clamping arm, a cutter and a blood vessel detection unit analysis module, wherein the clamping arm is used for pressing pre-cut tissues on the cutter, the cutter can vibrate ultrasonically and cut the pre-cut tissues, the surface of the clamping arm, which is used for contacting the pre-cut tissues, is a first surface, the blood vessel detection unit is fixedly arranged on the first surface, and the blood vessel detection unit can detect whether blood vessels exist in the pre-cut tissues; the utility model discloses an ultrasonic scalpel system can in time detect effectively whether contain the blood vessel in the precutting tissue by centre gripping arm and cutter centre gripping.

Description

Ultrasonic scalpel system

Technical Field

The utility model relates to an ultrasonic knife system technical field especially relates to an ultrasonic knife system.

Background

The ultrasonic knife system is a medical instrument widely used for endoscopic surgery, converts electric energy into ultrasonic mechanical energy through a transducer, enables a knife head to vibrate with proper amplitude and frequency, and generates frictional heat after the knife head transmits the mechanical vibration to contacted tissues, the frictional heat and cutting force towards two sides formed by tissue tension enable tissue moisture to be vaporized, protein hydrogen bonds to be broken and cells to be disintegrated, and therefore the tissue cutting effect is achieved. Compared with the traditional electric scalpel, the ultrasonic scalpel has the advantages of accurate cutting, small thermal damage to surrounding tissues, less smoke, less scabbing, strong controllability and the like. Therefore, in endoscopic minimally invasive surgery, an ultrasonic knife is almost indispensable surgical cutting equipment.

For example, when the ultrasonic scalpel head with the clamping arm driving assembly provided by the chinese patent CN105943125B is applied to the endoscopic minimally invasive surgery, the limited visual condition of the endoscopic surgery results in that the surgeon cannot perform 360-degree all-around exploration on the surgical field, and the touch feedback of the hand to the tissue in the traditional surgical operation is lacked, so that the surgeon is difficult to determine whether the tissue is wrapped with blood vessels, the situation that the blood vessels outside the cutting plan are cut off carelessly is easily generated, and finally the amount of bleeding during the surgery is increased, the surgery time is prolonged, or the endoscopic surgery is forced to be transferred to the traditional surgical operation, and even the surgery fails.

Therefore, how to timely and effectively detect whether the clamped tissue contains blood vessels becomes a great problem for the ultrasonic knife system to be better applied to the endoscopic surgery.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an ultrasonic scalpel system to solve the problem that above-mentioned prior art exists, can in time detect effectively whether contain the blood vessel in the precutting tissue by centre gripping arm and cutter centre gripping, improve operation efficiency and operation success rate.

In order to achieve the above object, the utility model provides a following scheme:

the utility model provides an ultrasonic scalpel system, including centre gripping arm, cutter and blood vessel detecting element, the centre gripping arm be used for with the precutting tissue compress tightly in on the cutter, the cutter can ultrasonic vibration and will the precutting tissue cutting, be used for on the centre gripping arm with the surface of precutting tissue contact is the first surface, blood vessel detecting element is used for fixed locating on the first surface, just blood vessel detecting element can detect whether there is the blood vessel in the precutting tissue.

Preferably, the blood vessel detecting unit includes a blood flow signal sensor and an analyzing module, the blood flow signal sensor can detect blood flow volume and blood flow velocity information, the analyzing module is used for being placed outside the body of the patient, and the analyzing module is used for being in communication connection with the blood flow signal sensor and receiving signals sent by the blood flow signal sensor.

Preferably, the blood vessel detecting unit further includes a blood oxygen sensor, the blood oxygen sensor can detect partial pressure of blood oxygen and oxygen saturation information of blood oxygen, and the analyzing module is used for being in communication connection with the blood oxygen sensor and can receive the signal sent by the blood oxygen sensor.

Preferably, the blood flow signal sensor is an ultrasonic sensor; the blood oxygen sensor adopts a reflection type blood oxygen sensor.

Preferably, still include the aspirator, the aspirator is used for fixed locating keeping away from of cutter one side of centre gripping arm and messenger the cutter is arranged in the aspirator with between the centre gripping arm, just the aspirator with leave the space between the cutter, be close to on the aspirator the collection mouth has been seted up on the surface of cutter, it is used for collecting the waste liquid to collect the mouth, the inside of aspirator has waste liquid discharge passage, waste liquid discharge passage's one end be used for with collect the mouth intercommunication, waste liquid discharge passage's the other end be used for with suction device fixed connection and intercommunication, just suction device is used for arranging patient's in vitro.

Preferably, the tissue pre-cutting device further comprises a generator, an energy converter, a sleeve, a handle and a wrench, one end of the sleeve is used for extending into the body of the patient together with the cutter, the other end of the sleeve is used for being fixedly arranged on the handle, one end of the cutter is used for extending out from one end, far away from the handle, of the sleeve in the direction far away from the handle, one end, far away from the collecting port, of the aspirator is used for penetrating through the sleeve and the handle to reach the body of the patient and is fixedly connected and communicated with the suction device, the energy converter is used for being arranged on the handle and is in signal connection with the generator, the energy converter is used for being in transmission connection with the cutter, the energy converter can convert an electric signal sent by the generator into ultrasonic vibration and transmit the ultrasonic vibration to the cutter, the wrench is used for being arranged on the handle and is in transmission connection with the clamping arm, and the wrench can enable the clamping arm to compress the pre-cut tissue on the cutter.

Preferably, the analysis module is adapted to be located within the generator.

Preferably, the pre-cut tissue analysis device further comprises an alarm unit, wherein the alarm unit is in communication connection with the analysis module and can give an alarm when the analysis module determines that the blood vessel exists in the pre-cut tissue.

The utility model discloses for prior art gain following technological effect:

the utility model provides an ultrasonic scalpel system, through set up blood vessel detecting element on the centre gripping arm, form effective centre gripping of precutting tissue formation or centre gripping arm to precutting tissue when compressing tightly on the cutter when centre gripping arm and cutter, blood vessel detecting element can direct and precutting tissue contact, thereby can in time detect out effectively whether to have the blood vessel in the precutting tissue, and then make the operation doctor can confirm whether be fit for carrying out cutting work, thereby can reduce patient's bleeding volume in the operation effectively, shorten the operating time, improve operation efficiency and success rate.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an overall schematic view of an ultrasonic blade system provided by the present invention;

fig. 2 is an enlarged schematic view of region a in fig. 1.

In the figure: 1-an analysis module, 2-a sleeve, 3-one end of the aspirator far away from a collection port, 4-a wrench, 5-a handle, 6-a transducer, 7-a generator, 8-a clamping arm, 9-a blood oxygen sensor, 10-a blood flow signal sensor, 11-a cutter and 12-the aspirator.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the following detailed description.

As shown in fig. 1-2, the utility model provides an ultrasonic scalpel system, including centre gripping arm 8, cutter 11, blood vessel detecting element and analysis module 1, centre gripping arm 8 is used for compressing tightly precut tissue on cutter 11, and cutter 11 can ultrasonic vibration and will precut tissue cutting, and the surface that is used for on the centre gripping arm 8 and precut tissue contact is the first surface, and blood vessel detecting element is used for fixed locating on the first surface, and whether blood vessel detecting element can detect the blood vessel that exists in the precut tissue.

The utility model provides an ultrasonic scalpel system, through set up the blood vessel detecting element on centre gripping arm 8, form effective centre gripping or centre gripping arm 8 with precutting tissue when the precutting tissue compresses tightly on cutter 11 when centre gripping arm 8 and cutter 11, the blood vessel detecting element can directly with precutting tissue contact, thereby whether can in time detect out effectively whether there is the blood vessel in the precutting tissue, and then make the operation doctor can confirm whether be fit for carrying out cutting work, thereby can reduce patient's bleeding volume in the operation effectively, shorten operation time, improve operation efficiency and success rate, promote patient's operation experience and feel.

Further, the blood vessel detection unit comprises a blood flow signal sensor 10 and an analysis module 1, the blood flow signal sensor 10 can detect information of blood flow volume and blood flow velocity, the analysis module 1 is arranged outside the body of the patient, and the analysis module 1 is in communication connection with the blood flow signal sensor 10 and can receive signals sent by the blood flow signal sensor 10, so that the blood vessel in the precut tissue can be effectively judged in time to determine the existence of the blood vessel when the blood flow signal sensor 10 detects the blood flow volume and the blood flow velocity; it should be noted that the judgment program preset on the analysis module 1 may be the existing conventional analysis program, and the improvement on the program is not involved here, but only the analysis and judgment capabilities of the existing conventional program are utilized.

Further, the blood vessel detecting unit further includes a blood oxygen sensor 9, the blood oxygen sensor 9 can detect partial pressure of blood oxygen and oxyhemoglobin saturation information, the analysis module 1 is used for communicating with the blood oxygen sensor 9 and can receive signals sent by the blood oxygen sensor 9, when the blood flow signal sensor 10 detects blood flow volume and blood flow velocity information, it can be further determined whether blood vessels existing in the precut tissue are artery blood vessels or vein blood vessels through the partial pressure of blood oxygen and oxyhemoglobin saturation information detected by the blood oxygen sensor 9, which is more helpful for the surgeon to make a decision on the next step, and ensures that the surgery is smoothly performed.

As a preferred embodiment of this embodiment, the blood flow signal sensor 10 is an ultrasonic sensor, specifically, a high-resolution ultrasonic probe capable of detecting blood flow distribution, blood flow spectrum, blood flow direction, and the like; the blood oxygen sensor 9 adopts a reflective blood oxygen sensor, specifically, a light emitter of the blood oxygen sensor emits red light and infrared light to the pre-cut tissue, a photodetector of the blood oxygen sensor receives light signals reflected back by the pre-cut tissue, the blood oxygen saturation of blood is measured according to different absorption ratios of oxyhemoglobin and reduced hemoglobin in the blood to the light, the arterial blood oxygen saturation is generally 95% -100%, and the venous blood oxygen saturation is generally 72% -75%, for example, when the blood oxygen saturation value of the blood measured by the blood oxygen sensor 9 is 95% -100%, the analysis module 1 determines that a blood vessel existing in the pre-cut tissue is an arterial blood vessel, and when the blood oxygen saturation value of the blood measured by the blood oxygen sensor 9 is 72% -75%, the analysis module 1 determines that the blood vessel existing in the pre-cut tissue is a venous blood vessel.

Further, the utility model provides an ultrasonic scalpel system still includes aspirator 12, aspirator 12 is used for the fixed one side of locating cutter 11 of keeping away from centre gripping arm 8 and makes cutter 11 arrange in between aspirator 12 and centre gripping arm 8, and leave the space between aspirator 12 and the cutter 11, the collection mouth has been seted up on the surface that is close to cutter 11 on aspirator 12, it is used for collecting the waste liquid to collect the mouth, aspirator 12's inside has waste liquid discharge channel, waste liquid discharge channel's one end is used for and collects mouthful intercommunication, waste liquid discharge channel's the other end is used for and suction device fixed connection and intercommunication, and suction device is used for arranging patient's in vitro, in cutting process, aspirator 12 continuously works, absorb waste liquid and the hemorrhage that produces in the cutting process, can keep the art clean, it is clear, thereby can improve the efficiency and the success rate of operation effectively.

Further, the utility model provides an ultrasonic scalpel system still includes generator 7, transducer 6, sleeve pipe 2, handle 5 and spanner 4, the one end of sleeve pipe 2 is used for stretching into the patient with cutter 11 jointly, the other end of sleeve pipe 2 is used for fixedly locating on handle 5, and the one end of cutter 11 is used for stretching out to the direction of keeping away from handle 5 from the one end of keeping away from handle 5 on sleeve pipe 2, the one end 3 of keeping away from the collection mouth on the aspirator is used for passing sleeve pipe 2 and handle 5 and reacing the patient's external and with suction device fixed connection and intercommunication, transducer 6 installs on handle 5 and with generator 7 signal connection when using, transducer 6 is used for being connected with cutter 11 transmission, and transducer 6 can convert the electric signal that generator 7 sent into ultrasonic vibration and transmit ultrasonic vibration to cutter 11, spanner 4 is used for locating on handle 5 and is connected with the transmission of centre gripping arm 8, and pull spanner 4 can make centre gripping arm 8 compress tightly precutting tissue on cutter 11; after the operation is started, the surgeon holds the handle 5, the clamping arm 8 and the cutter 11 are in a vertical separation state at the moment, the surgeon selects the precut tissue, the precut tissue is placed between the clamping arm 8 and the cutter 11, the wrench 4 is pressed at the same time, the clamping arm 8 is closed towards the direction of the cutter 11 at the moment, the precut tissue is clamped between the clamping arm 8 and the cutter 11, the tissue is tightly attached to the blood vessel detection unit on the clamping arm 8, the blood vessel detection unit works, detection information is transmitted into the analysis module 1 along a line in the sleeve 2 in an electric signal mode, and the analysis module 1 performs comprehensive operation and analysis on data; the surgeon decides whether to retain or cut the tissue based on the results fed back from the analysis module 1.

Furthermore, the analysis module 1 is arranged in the generator 7 and integrated so as to facilitate the assembly and storage of the whole system.

Further, the utility model provides an ultrasonic scalpel system still includes alarm unit, alarm unit be used for with analysis module 1 communication connection, and alarm unit can send out the police dispatch newspaper when having the blood vessel in the precutting tissue at analysis module 1 judgement, under the prerequisite that the operation doctor of being convenient for acquireed alarm information, concrete alarm form is not restricted to audible alarm, light warning or reputation and reports to the police simultaneously, can combine the in-service use demand to confirm.

The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. An ultrasonic blade system, characterized by: including centre gripping arm, cutter and blood vessel detecting element, the centre gripping arm be used for with the precutting tissue compress tightly in on the cutter, the cutter can ultrasonic vibration and will the precutting tissue cutting, be used for on the centre gripping arm with the surface that the precutting tissue contacted is the first surface, blood vessel detecting element is used for fixed locating on the first surface, just blood vessel detecting element can detect whether have the blood vessel in the precutting tissue.

2. The ultrasonic blade system of claim 1, wherein: the blood vessel detection unit comprises a blood flow signal sensor and an analysis module, the blood flow signal sensor can detect blood flow and blood flow velocity information, the analysis module is arranged outside the body of a patient, and the analysis module is in communication connection with the blood flow signal sensor and can receive signals sent by the blood flow signal sensor.

3. The ultrasonic blade system of claim 2, wherein: the blood vessel detection unit further comprises a blood oxygen sensor, the blood oxygen sensor can detect partial pressure of blood oxygen and saturation of blood oxygen information, and the analysis module is used for being in communication connection with the blood oxygen sensor and can receive signals sent by the blood oxygen sensor.

4. The ultrasonic blade system of claim 3, wherein: the blood flow signal sensor adopts an ultrasonic sensor; the blood oxygen sensor adopts a reflection type blood oxygen sensor.

5. The ultrasonic blade system of claim 2, wherein: still include the aspirator, the aspirator is used for fixed locating keeping away from of cutter one side of centre gripping arm and messenger the cutter is arranged in the aspirator with between the centre gripping arm, just the aspirator with leave the space between the cutter, be close to on the aspirator the cutter has seted up on the surface and has collected the mouth, it is used for collecting the waste liquid to collect the mouth, the inside of aspirator has waste liquid discharge passage, waste liquid discharge passage's one end be used for with collect mouthful intercommunication, waste liquid discharge passage's the other end be used for with suction device fixed connection and intercommunication, just suction device is used for arranging patient's in vitro.

6. The ultrasonic blade system of claim 5, wherein: still include generator, transducer, sleeve pipe, handle and spanner, sheathed tube one end be used for with the cutter stretches into the patient jointly in vivo, the sheathed tube other end is used for fixed locating on the handle, just the one end of cutter be used for certainly keep away from on the sleeve pipe the one end of handle is to keeping away from the direction of handle stretches out, keep away from on the aspirator collect mouthful one end be used for passing the sleeve pipe and the handle reachs the patient's external and with suction device fixed connection and intercommunication, the transducer be used for locating on the handle and with generator signal connection, the transducer be used for with the cutter transmission is connected, just the transducer can with the signal of telecommunication conversion that the generator sent is ultrasonic vibration and with ultrasonic vibration transmission extremely the cutter, the spanner be used for locating on the handle and with the centre gripping arm transmission is connected, and wrenches the spanner can make the centre gripping arm will precut tissue compress tightly in on the cutter.

7. The ultrasonic blade system of claim 6, wherein: the analysis module is configured to be disposed within the generator.

8. The ultrasonic blade system of claim 2, wherein: the pre-cut tissue analysis device further comprises an alarm unit, wherein the alarm unit is used for being in communication connection with the analysis module and can give an alarm when the analysis module judges that blood vessels exist in the pre-cut tissue.