CN214073410U - Gastric cancer surgical instrument - Google Patents

Abstract

The utility model provides a stomach cancer surgical instruments, including gastroscope and peritoneoscope, the gastroscope includes gastroscope light, gastroscope indicator, gastroscope camera, and the gastroscope light is used for illuminating local area, and the gastroscope indicator is provided with the pointolite, and the gastroscope indicator is used for indicateing the position of stomach tumour, and the gastroscope camera is used for transmitting the image, and the peritoneoscope is used for observing the stomach tumour. Through setting up the gastroscope indicator, the pointolite that the gastroscope indicator sent can follow and pierce through the stomach wall in the stomach the serosa layer of stomach forms clear bright spot, can clearly observe the bright spot in the peritoneoscope field of vision, chooses for use the pointolite to improve the penetrability and the irradiation precision of light to make the stomach cancer surgical instruments can improve the precision of suggestion stomach tumour position.

Description

Gastric cancer surgical instrument

Technical Field

The utility model relates to the field of medical equipment research, especially a gastric cancer surgical instrument.

Background

Stomach cancer is a common malignant tumor in China, more and more stomach cancers can be discovered at an early stage due to popularization of gastroscopes, and if surgical excision can be performed as soon as possible, the survival rate of a patient can be greatly improved. Since tumors start to grow from the inside of the stomach and early tumors are small in size, there may be only a small ulcer on the mucosal surface of the stomach, while the outermost serosal surface of the stomach has no evidence of lesions. Therefore, the location of the tumor cannot be determined under laparoscopic vision alone. Moreover, during laparoscopic surgery, a doctor cannot feel the position of a lesion in the stomach by touching the surgeon's hand, so that precise excision of a lesion under the laparoscope becomes difficult, and even approximate excision can be performed only by using a preoperative imaging structure and a gastrointestinal endoscopy result picture.

However, spontaneous peristalsis occurs in the stomach, and when a doctor only thinks to overlap the position of a lesion in a preoperative image with the stomach in a laparoscopic view, the deviation is easy to occur, incomplete resection is caused, or the tissue function of a patient after surgery is affected due to too much resection range. Therefore, in order to solve the clinical problem, surgeons often use a laparoscope and a gastroscope to treat early stage gastric tumors in combination in the prior art, that is, the positions of lesions are found under the view field of the gastroscope, and light spots formed by a gastroscope illuminating lamp appear under the view field of the laparoscope, so that the positions of the early stage tumors are positioned, and the surgical resection is reasonable and accurate.

However, in the prior art, although the gastroscope can indicate the position of the tumor, the indication effect is not ideal enough, so that the tumor resection effect is not ideal enough, and poor postoperative recovery and recurrence of the cancer can be caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a stomach cancer surgical instruments, stomach cancer surgical instruments can improve the precision of suggestion stomach tumor position.

According to the utility model provides a stomach cancer surgical instruments, including gastroscope and peritoneoscope, the gastroscope includes gastroscope light, gastroscope indicator, gastroscope camera, the gastroscope light is used for illuminating local area, the gastroscope indicator is provided with the pointolite, the gastroscope indicator is used for indicateing the position of stomach tumour, the gastroscope camera is used for transmitting the image, the peritoneoscope is used for observing the stomach tumour.

According to the utility model provides a stomach cancer surgical instruments has following technological effect at least: through setting up the gastroscope indicator, the pointolite that the gastroscope indicator sent can follow and pierce through the stomach wall in the stomach serosa layer formation clear bright spot, chooses for use the pointolite to improve the penetrability and the irradiation precision of light to make stomach cancer surgical instruments can improve the precision of suggestion stomach tumour position.

According to some embodiments of the invention, the point light source is a red point light source.

According to some embodiments of the invention, the position of the gastroscopic indicator is proximate to the position of the gastroscopic camera.

According to some embodiments of the utility model, the stomach cancer surgical instrument still includes the intestines pincers, the intestines pincers are provided with two pincers leaves that can open and shut, the front end of pincers leaf is provided with the marker pen, the marker pen is used for marking the incisal margin of tumour.

According to some embodiments of the invention, the marker pen is detachably arranged on the clamp leaf.

According to some embodiments of the utility model, the pincers leaf is provided with and is used for the installation the first recess of marker pen, the marker pen shaping have with the first arch that first recess configuration set up.

According to some embodiments of the invention, the marker pen comprises a marker pen nib, the material of the marker pen nib being a cotton material.

According to some embodiments of the utility model, intestines pincers include fixed handle and movable handle, movable handle rotationally sets up fixed handle is last, the movable activity of pincers leaf sets up fixed handle is last, the pincers leaf with movable handle connects, movable handle can drive two the pincers leaf opens and shuts, intestines pincers are provided with and are used for the location structure of the open width of pincers leaf.

According to some embodiments of the present invention, the positioning structure comprises a second groove disposed on the fixed handle, the positioning structure comprises a second protrusion disposed on the movable handle, and the second groove is disposed with the second protrusion.

According to some embodiments of the utility model, be provided with the spring on the movable handle, the second is protruding to be passed through the movably setting of spring is in on the movable handle.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of a lens of a gastroscope provided according to the present invention;

FIG. 2 is a schematic view of a marker pen provided in accordance with the present invention;

FIG. 3 is a schematic view of a marker pen connected to a clamp blade according to the present invention;

fig. 4 is a schematic view of an intestinal clamp according to the present invention;

fig. 5 is a schematic view of the intestine forceps provided by the present invention in a non-positioning state;

fig. 6 is a schematic view of the intestine forceps provided by the present invention in a positioning state.

Reference numerals:

a gastroscope illuminating lamp 101, a gastroscope indicator 103, a gastroscope camera 104,

A marker pen tip 200, a first protrusion 201, a slide switch 202, a first recess 211, a,

A fixed handle 300, a second groove 310, a movable handle 400, a second protrusion 421, a spring 422, a fixed screw 423,

A pincer leaf 600.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

According to the utility model provides a stomach cancer surgical instruments, including gastroscope and peritoneoscope, the gastroscope includes gastroscope light 101, gastroscope indicator 103, gastroscope camera 104, and gastroscope light 101 is used for illuminating local area, and gastroscope indicator 103 is provided with the pointolite, and gastroscope indicator 103 is used for indicateing the position of stomach tumour, and gastroscope camera 104 is used for transmitting the image, and the peritoneoscope is used for observing the stomach tumour.

The gastroscope light 101 of gastroscope among the prior art can not see through the stomach wall well, only can form a lighter facula at the lateral wall of stomach, and gastroscope light 101 belongs to the area source in addition, and the area of facula is great to lead to the gastroscope to be difficult to indicate the position of tumour accurately in the peritoneoscope field of vision. Sometimes even the gastroscope is needed to jack up the tumor and make the outer stomach wall under the laparoscope vision form a bulge to indicate the tumor position, which is likely to contact the tumor cells, and goes against the tumor-free principle of the operation.

According to the utility model provides a stomach cancer surgical instruments, through setting up gastroscope indicator 103, the pointolite that gastroscope indicator 103 sent can follow and pierce through the stomach wall in the serosal layer of stomach forms clear bright spot, can clearly observe the bright spot in the peritoneoscope field of vision, chooses for use the pointolite to improve the penetrability of light and shine the precision to make stomach cancer surgical instruments can improve the precision of suggestion stomach tumour position.

According to some embodiments of the invention, the point light source is a red point light source. For example, in some embodiments, the point source of light may be produced by a red light emitting diode that is capable of producing red light, thereby forming a bright red spot in the serosal layer of the stomach. Because the penetrating power of ruddiness is strong, adopt red emitting diode can make the bright spot that the serosa layer formed more clear to red light can also produce better differentiation effect with the light that gastroscope light 101 sent, thereby be convenient for observe the position of bright spot through the peritoneoscope, improve the precision of suggestion stomach tumour position.

Need look for the tumour through gastroscope camera 104 in the operation, indicate the position of tumour through gastroscope indicator 103 afterwards, according to some embodiments of the utility model, gastroscope camera 104's position is pressed close to the position of gastroscope indicator 103 to reduce the position of the bright spot suggestion of gastroscope indicator 103 and the deviation of the tumour position of seeing in the gastroscope camera 104 field of vision, improve the precision of suggestion stomach tumour position. For example, in some embodiments, as shown in fig. 1, the gastroscopic indicator 103 can be positioned in the middle of the gastroscopic lens, the gastroscopic illuminator 101, the gastroscopic camera 104 are positioned around the gastroscopic indicator 103, and the gastroscopic camera 104 is positioned proximate to the position of the gastroscopic indicator 103.

According to some embodiments of the present invention, the gastric cancer surgical instrument further comprises a pair of intestine forceps, the intestine forceps is provided with two forceps leaves 600 that can be opened and closed, the front end of the forceps leaves 600 is provided with a marking pen, and the marking pen is used for marking the incisal margin of the tumor. In the prior art, a surgeon does not have a proper tool and can only determine an excision line from the tumor edge by a visual inspection method, so that the estimation of the excision line is not accurate enough, and the peristalsis of the stomach further reduces the accuracy. This inaccurate estimation is likely to result in excessive resection of body tissue or failure to completely resect the tumor, resulting in poor post-operative recovery and recurrence of the cancer. Need use intestinal pincers in the stomach cancer operation, through set up the marker pen on intestinal pincers, can use the marker pen mark out the excision line on the stomach intestinal wall in the art, follow-up according to excision line excision tumour to improve tumour excision's degree of accuracy.

According to some embodiments of the present invention, the marker pen is detachably disposed on the clamp leaf 600. In some embodiments, the clamp blade 600 is provided with a first groove 211 for mounting a marking pen formed with a first protrusion 201 disposed in alignment with the first groove 211. For example, as shown in fig. 2 and 3, the first groove 211 may be formed in a T-shaped groove, the first protrusion 201 having a step shape is formed on two opposite sides of the marking pen, and the marking pen is inserted into the blade 600 when in use, and the first protrusion 201 is snapped into the first groove 211, so that the marking pen is fixed on the blade 600. When the marking pen needs to be replaced, the marking pen can be drawn out along the T-shaped groove. A sliding switch 202 for facilitating force application is further formed above the marking pen, and the marking pen can be conveniently pushed out of the first groove 211 by pushing the sliding switch 202 during replacement.

Of course, the first recess 211 and the first protrusion 201 may be arranged differently, for example, in some embodiments, the first recess 211 may be shaped as a dovetail, and the first protrusion 201 may be shaped as a dovetail that mates with the first recess 211. In some embodiments, a plurality of first grooves 211 which are vertically upward may be arranged side by side on the blade 600, a plurality of first protrusions 201 corresponding to the first grooves 211 are formed on the marking pen downward, and when in use, the first protrusions 201 are pressed into the first grooves 211, so as to fix the marking pen. In addition, the first recess 211 may be equivalently disposed on the marker pen instead of the first protrusion 201 disposed on the blade 600.

According to some embodiments of the present invention, the marker pen includes a marker pen nib 200, and the material of the marker pen nib 200 is cotton. For example, a cotton material similar to the textile material of surgical gauze may be selected, and the cotton material may be formed into a strip. The strip-shaped cotton fabric is used as the nib 200 of the marking pen, the cotton fabric is soft, the gastrointestinal wall cannot be scratched by the marking pen during marking, and unexpected damage to the gastrointestinal wall is avoided. Alternatively, the marker nib 200 may employ a methylene blue solution as the staining solution, the methylene blue solution wetting the marker nib 200 and running out of the marker nib 200 to stain the gastrointestinal wall during use. The methylene blue solution has good retention effect and high contrast, is convenient for observing the position of the excision line after marking, and has no toxic or side effect on human bodies.

The diagnosis and treatment standard of tumor resection generally gives suggestions of the distance between the incisal margin and the tumor margin according to the tumor condition, for example, the distance between the incisal margin and the tumor margin is 2cm, 5cm and the like, so that not only can complete and radical tumor resection be ensured, but also normal tissues can be kept as far as possible, and the function of organs after the operation is maximized. According to some embodiments of the utility model, intestines pincers include fixed handle 300 and movable handle 400, and movable handle 400 rotationally sets up on fixed handle 300, and pincers leaf 600 is movable to be set up on fixed handle 300, and pincers leaf 600 is connected with movable handle 400, and movable handle 400 can drive two pincers leaves 600 and open and shut, and intestines pincers are provided with and are used for fixing a position the location structure that pincers leaf 600 opened the width. Through setting up location structure, can conveniently adjust the width that opens of pincers leaf 600 to suitable size to be convenient for the position of accurate definite excision line in the art and mark the excision line, improve the position accuracy of incisal margin.

According to some embodiments of the present invention, the positioning structure comprises a second groove 310 disposed on the fixed handle 300, the positioning structure comprises a second protrusion 421 disposed on the movable handle 400, and the second groove 310 and the second protrusion 421 are disposed. As shown in fig. 5 and 6, the second protrusion 421 is snapped into the second groove 310, the movable handle 400 is rotated, and the contact between the second protrusion 421 and the second groove 310 provides resistance to the movement of the movable handle 400, so that the operator feels the resistance and is prompted that the opening width of the clamp leaf 600 reaches a certain width. By setting the positions of the second protrusion 421 and the second groove 310, the opening width of the clamp leaf 600 when the second protrusion 421 is snapped into the second groove 310 can be set, for example, 2cm, 3cm, 5 cm. The second grooves 310 may be provided in several numbers, and the second protrusions 421 may also be provided in several numbers, so as to form a plurality of different snap-in states, which respectively indicate different opening widths of the clamp leaves 600.

The movable handle 400 is provided with a spring 422, and the second protrusion 421 is movably provided on the movable handle 400 by the spring 422. As shown in fig. 5, the movable handle 400 has a mounting hole, the second protrusion 421 is shaped like a hemisphere, and the spring 422 and the fixing screw 423 press the second protrusion 421 in the mounting hole. When the second protrusion 421 is disengaged from the second recess 310, the second protrusion 421 is retracted into the mounting hole, so as to reduce the resistance of the movable handle 400 during rotation, and when the second protrusion 421 enters the second recess 310, as shown in fig. 6, the spring 422 pushes the second protrusion 421 to press the second recess 310.

A gastric cancer surgical instrument according to the present invention will be described in detail with reference to fig. 1, 2, 3, 4, 5 and 6 as a specific example. It is to be understood that the following description is illustrative only and is not intended as a specific limitation on the invention.

The embodiment of the utility model comprises a gastroscope, a laparoscope and an intestinal clamp.

As shown in fig. 1, the gastroscope includes a gastroscope illumination lamp 101, a gastroscope indicator 103, and a gastroscope camera 104. The gastroscope indicator 103 is located at the middle position of the gastroscope lens, the two gastroscope illuminating lamps 101 and the gastroscope camera 104 are arranged around the gastroscope indicator 103, and the position of the gastroscope camera 104 is close to the position of the gastroscope indicator 103. The gastroscope illuminating lamp 101 is used for illuminating a local area, the gastroscope indicator 103 is provided with a red light emitting diode and can generate a red point light source, the gastroscope indicator 103 is used for prompting the position of a stomach tumor, the gastroscope camera 104 is used for transmitting images, and the laparoscope is used for observing the stomach tumor.

As shown in fig. 2, 3, 4, 5 and 6, the intestinal clamp includes a fixed handle 300, a movable handle 400 and a clamp leaf 600, the movable handle 400 is rotatably disposed on the fixed handle 300 through a pin, the clamp leaf 600 is movably disposed on the fixed handle 300, the clamp leaf 600 is connected with the movable handle 400, the movable handle 400 can drive the two clamp leaves 600 to open and close, a marking pen is detachably disposed at the front end of the clamp leaf 600, and the marking pen is used for marking the incisal edge of the tumor. The nipper blade 600 is provided with a first groove 211 for mounting a marking pen formed with a first protrusion 201 disposed in alignment with the first groove 211. As shown in fig. 2 and 3, the first groove 211 is formed in a T-shaped groove, the first protrusion 201 is formed in a stepped shape on opposite sides of the marking pen, and when the marking pen is inserted into the blade 600, the first protrusion 201 is engaged with the first groove 211, so that the marking pen is fixed on the blade 600. When the marking pen needs to be replaced, the marking pen can be drawn out along the T-shaped groove. A sliding switch 202 for facilitating force application is further formed above the marking pen, and the marking pen can be conveniently pushed out of the first groove 211 by pushing the sliding switch 202 during replacement. The marker pen further comprises a marker pen point 200, and the material of the marker pen point 200 is cotton.

The intestinal clamp is provided with a positioning structure for positioning the opening width of the clamp leaves 600. The positioning structure includes a second groove 310 disposed on the fixed handle 300 and a second protrusion 421 disposed on the movable handle 400, as shown in fig. 5, a mounting hole is opened on the movable handle 400, the second protrusion 421 is in a hemispherical shape, and the spring 422 and the fixing screw 423 press the second protrusion 421 in the mounting hole. When the second protrusion 421 is snapped into the second groove 310, the opening width of the clamp leaf 600 is 5 cm.

In the operation, firstly, the tumor is searched by the gastroscope illuminating lamp 101 and the gastroscope camera 104, then the position of the tumor is prompted by the gastroscope indicator 103, the point light source emitted by the gastroscope indicator 103 can penetrate through the stomach wall from the stomach to form a clear bright spot on the serosal layer of the stomach, and the bright spot can be clearly observed in the laparoscopic visual field. According to the position of the bright spot, a marking pen is used for marking an excision line on the gastrointestinal wall, and then the tumor is excised according to the excision line.

According to the utility model discloses stomach cancer surgical instrument through adopting above design, can realize such some functions at least: through setting up red pointolite, improved the penetration and the concentration of light to the position of gastroscope indicator 103 is pressed close to gastroscope camera 104's position, reduces the deviation of the tumour position that sees in the position of the bright spot suggestion of gastroscope indicator 103 and the gastroscope camera 104 field of vision, thereby makes the gastroscope can clearly and accurately indicate the position of tumour, improves the precision of tumour excision.

Through setting up marker pen and location structure, marker pen is rule on the stomach intestinal wall, location structure suggestion pincers leaf 600 open width to make intestines pincers can conveniently, accurately measure and mark the excision line, improve the precision of tumour excision, can enough guarantee the complete radical cure excision of tumour, can remain normal tissue as far as possible again, make postoperative organ function maximize. By using a fibrous material as the marking pen nib 200, the marking pen is less likely to scratch the gastrointestinal wall during marking, thereby avoiding unexpected damage to the gastrointestinal wall. And the marking pen can be conveniently detached and replaced.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A gastric cancer surgical instrument, comprising:

the gastroscope comprises a gastroscope illuminating lamp (101), a gastroscope indicator (103) and a gastroscope camera (104), wherein the gastroscope illuminating lamp (101) is used for illuminating a local area, the gastroscope indicator (103) is provided with a point light source, the gastroscope indicator (103) is used for prompting the position of a stomach tumor, and the gastroscope camera (104) is used for transmitting images;

a laparoscope for viewing gastric tumors.

2. The gastric cancer surgical instrument of claim 1, wherein: the point light source is a red point light source.

3. The gastric cancer surgical instrument according to claim 1 or 2, wherein: the gastroscopic indicator (103) is located proximate to the gastroscopic camera (104).

4. The gastric cancer surgical instrument of claim 1, wherein: the gastric cancer surgical instrument further comprises an intestinal clamp, the intestinal clamp is provided with two clamp leaves (600) which can be opened and closed, and the front ends of the clamp leaves (600) are provided with marking pens which are used for marking the incisal edges of tumors.

5. The gastric cancer surgical instrument of claim 4, wherein: the marking pen is detachably arranged on the clamp leaf (600).

6. The gastric cancer surgical instrument of claim 5, wherein: the clamp blade (600) is provided with a first groove (211) used for installing the marking pen, and the marking pen is formed with a first bulge (201) configured with the first groove (211).

7. The gastric cancer surgical instrument of claim 4, wherein: the marker pen comprises a marker pen point (200), and the material of the marker pen point (200) is cotton material.

8. The gastric cancer surgical instrument of claim 4, wherein: the intestinal clamp comprises a fixed handle (300) and a movable handle (400), wherein the movable handle (400) is rotatably arranged on the fixed handle (300), clamp blades (600) are movably arranged on the fixed handle (300), the clamp blades (600) are connected with the movable handle (400), the movable handle (400) can drive the two clamp blades (600) to be opened and closed, and the intestinal clamp is provided with a positioning structure for positioning the opening width of the clamp blades (600).

9. The gastric cancer surgical instrument of claim 8, wherein: the positioning structure comprises a second groove (310) arranged on the fixed handle (300), the positioning structure comprises a second protrusion (421) arranged on the movable handle (400), and the second groove (310) and the second protrusion (421) are configured.

10. The gastric cancer surgical instrument of claim 9, wherein: the movable handle (400) is provided with a spring (422), and the second protrusion (421) is movably arranged on the movable handle (400) through the spring (422).

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