CN214857228U - Superficial tumor package excision device - Google Patents

Abstract

The utility model relates to a superficial tumor wrapping and cutting device, which comprises a sleeve cutter head, a first rotary cutter head, a wrapping film, a second rotary cutter head, a first rotary cutter head driving part and a second rotary cutter head driving part; the external surface of the sleeve cutter head is provided with a first rotary cutter head and a second rotary cutter head, the sleeve cutter head brings the first rotary cutter head and the second rotary cutter head into the skin, the first rotary cutter head and the second rotary cutter head are respectively arranged at the same side of the tumor under the driving of the first rotary cutter head driving part and the second rotary cutter head driving part, and a wrapping film is connected between the first rotary cutter head and the second rotary cutter head; the wrapping film is connected to the lower end parts of the first rotary cutter head and the second rotary cutter head; the tumor body is completely wrapped under the guidance of four-dimensional ultrasonic three-dimensional dynamic data, and the tumor is segmented and then sucked out under negative pressure, so that the size of a wound is reduced, and the complete tumor excision is ensured without residues.

Description

Superficial tumor package excision device

Technical Field

The utility model relates to the technical field of surgical instruments, especially, relate to a superficial tumour parcel resection device.

Background

The traditional therapeutic resection of benign breast tumors is surgical resection or minimally invasive vacuum rotary cutting methods, which have both advantages and disadvantages. The tradition is cut open the operation wound and is big, needs the successive layer to cut open skin, subcutaneous tissue and gland part, sometimes the tumor body texture is softer or difficult exposing when less, need explore in the art and look for, sometimes the tumor body that the sense of touch is not obvious need the preceding operation guide wire location or the location can be accurate in the art, sometimes the location has the degree of difficulty. After operation, layer-by-layer suturing is needed. Most scars after the operation are obvious, and many patients with discomfort feel.

The minimally invasive method has small wound at the skin and can accurately cut off the skin, but the minimally invasive method still has the following problems: (1) when local anesthesia and infiltration are performed under ultrasonic positioning in an operation, the boundary of a tumor body and surrounding tissues becomes unclear, the difficulty is easily increased for surgical excision, and the visual field is fuzzy when the surgical excision is performed accurately; (2) the visual field and the tumor body are blurred instantly when the blood vessel is touched in the process of excision in the operation; (3) the rotary cutter needs to be adjusted in time during rotary cutting, otherwise, excessive normal tissues are easy to cut; (4) the integrity of the specimen is completely destroyed, and the specimen is excessively fragmented, so that difficulty is caused to small-part pathological diagnosis; (5) individual patients suffer from a high mucus content or hard tissue rotary cutting.

SUMMERY OF THE UTILITY MODEL

In order to improve current operation mode, combine together traditional operation and minimal access surgery advantage, the utility model provides a superficial tumour parcel resection device utilizes the dynamic data of four-dimensional supersound to carry out the complete back of wrapping up the tumor body under the guide, carries out the tumour resection again, has avoided the incomplete of tumor body resection and has remained the possibility, has improved the accurate nature of operation, has reduced the wound, provides better service for the patient.

In order to achieve the purpose, the utility model provides a superficial tumor package cutting device, which comprises a sleeve cutter head, a first rotary cutter head, a packaging film, a second rotary cutter head, a first rotary cutter head driving part and a second rotary cutter head driving part;

the outer surface of the sleeve cutter head is provided with a first rotary cutter head and a second rotary cutter head, and the sleeve cutter head brings the first rotary cutter head and the second rotary cutter head into the skin;

the first rotary cutter head and the second rotary cutter head are respectively arranged at the same side of the tumor under the driving of the first rotary cutter head driving part and the second rotary cutter head driving part, and a wrapping film is connected between the first rotary cutter head and the second rotary cutter head; driving the first rotary-cut cutter head or the second rotary-cut cutter head to rotate around the tumor, cutting the tumor by a side edge to separate the tumor from surrounding tissues and driving the wrapping film to wrap the tumor until the tumor is completely cut, wherein the wrapping film completely wraps the tumor to the outside of the sleeve cutter head;

driving the sleeve cutter head to segment the tumor in the wrapping membrane, and sucking out the segmented tumor under negative pressure; the first rotary cutter head, the second rotary cutter head and the wrapping film are taken out along with the sleeve cutter head.

Further, the first and second rotary shaver heads are configured according to the size and shape of the tumor.

Furthermore, the first rotary cutter head and the second rotary cutter head are sheet-shaped cutter heads, and the radian of the bending is adjustable.

Further, the first rotary cutter head and the second rotary cutter head are different in shape, and the first rotary cutter head is a linear cutter head; the second rotary cutter head is a sheet cutter head with radian and rotates around the tumor, and the second rotary cutter head can be fixed to one side of the first rotary cutter head.

Furthermore, the first rotary-cut cutter head driving part and the second rotary-cut cutter head driving part are respectively connected to the first rotary-cut cutter head and the second rotary-cut cutter head through a first operating lever and a second operating lever, and a limiting block is arranged between the first operating lever and the second operating lever and is used as a rotating fulcrum of one operating lever; the angle between the first and second levers is adjustable.

Furthermore, the surface of the sleeve cutter head is provided with a groove for placing the first rotary cutter head, the second rotary cutter head, part of the first operating rod and part of the second operating rod.

Furthermore, the upper part of the casing cutter head is provided with a limiting ring for limiting the moving range of the first operating rod and the second operating rod.

Further, the wrapping film takes the remaining tumor remnant out of the body.

The above technical scheme of the utility model has following profitable technological effect:

(1) the utility model discloses superficial mammary gland tumour rotary-cut resection device excises after wrapping up the tumor body, can clearly distinguish the tumor body and organize on every side at the operation process, has avoided because the boundary that the operation in-process caused owing to bleed or anesthetic injection is unclear, has guaranteed integrality and the accuracy that the tumor body was excised.

(2) The utility model discloses a excise after wrapping up the tumor body again, inject the scope of rotary-cut, make the operation more accurate, also easily operation has reduced the operation degree of difficulty and to the dependence of doctor personal experience.

(3) The utility model discloses make full use of the dynamics, the definition and the nature directly perceived of four-dimensional supersound, combined together four-dimensional supersound and minimal access surgery, further guaranteed the integrality of minimal access surgery excision tumour.

(4) The utility model discloses a to taking out recovering of tumour, further guaranteed the integrality of excision to and follow-up accuracy of carrying out the analysis to the tumour.

(5) The utility model provides a brand-new minimal access surgery thinking not only is applicable to the mammary tumor, more can be applied to all kinds of superficial tumors, guarantees the complete excision of tumor, has extensive application prospect.

Drawings

FIG. 1 is a schematic view of a superficial tumor encapsulated resection device;

FIG. 2 is a schematic view of two rotary cutter heads pulling apart the wrapping film;

FIG. 3 is a schematic view of a tumor wrapped by a wrap;

FIG. 4(a) is a schematic diagram of the positioning block position; FIG. 4(b) is a schematic diagram illustrating the adjustment of the included angle by the joystick;

FIG. 5 is a schematic view of a cutting-head surface groove and retaining ring of the sleeve;

fig. 6 is a schematic view of a rotary cutter head according to one embodiment;

fig. 7 is a schematic view of the rotary cutter head adjusting radian;

fig. 8 is a picture of a tumor wrapped under four-dimensional ultrasound.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The utility model discloses a shallow table tumour parcel resection device lies in carrying out the complete and wraps up the tumour body under the three-dimensional active data guide of four-dimensional supersound, cuts apart back negative pressure suction with the tumour, has reduced the size of wound, has guaranteed that the excision of tumour is complete, does not remain. The taking sequence and the position of the tumor are recorded, the taken tumor strips are spliced to restore the original shape of the tumor, the tumor is confirmed to be completely taken out, the conditions of all parts of the tumor can be accurately obtained, and the enlarged excision can be pertinently carried out on the position of the lesion.

The superficial tumor wrapping and cutting device comprises a cannula cutter head 1, a first rotary cutter head 2, a wrapping film 6, a second rotary cutter head 3, a first rotary cutter head driving part and a second rotary cutter head driving part, and is combined with the picture 1.

The external surface of the sleeve cutter head 1 is provided with a first rotary cutter head 2 and a second rotary cutter head 3. The sleeve cutter head 1 is a negative pressure cutter head, the interior of the sleeve cutter head is a hollow adsorption channel, the tumor can be cut, the cut tumor can be sucked out in a negative pressure mode, and a minimally invasive rotary cutter head can be adopted. The cannula-head 1 is capable of moving in three dimensions, under the control of its drive means, into the skin interior. The external of the sleeve cutter head 1 is provided with a groove matched with the first rotary cutter head and the second rotary cutter head in shape, and the first rotary cutter head and the second rotary cutter head are put into the skin.

The first and second rotary- cutting blades 2 and 3 are controlled by a first rotary-cutting blade driving part and a second rotary-cutting blade driving part (not shown) to move and rotate in three dimensions, and have sharp side edges to cut and separate tumors from surrounding tissues using a sheet-shaped blade. The width of the rotary cutter head does not have to be too wide.

The wrapping film 6 is connected between the first rotary cutter head 2 and the second rotary cutter head 3 in advance and is arranged at the lower parts of the first rotary cutter head 2 and the second rotary cutter head 3 or between the first rotary cutter head and the second rotary cutter head. The first rotary cutter head 2 and the second rotary cutter head 3 are both provided with side edges at the outer sides and connected with the wrapping film 6 at the inner sides. The wrapping film 6 should be connected to the lower end of the rotary cutter head to ensure that the tumor is completely wrapped.

The first rotary cutter head 2 and the second rotary cutter head 3 are brought to the vicinity of the tumor by the cannula cutter head 1 and are located on one side of the tumor under driving. The first rotary cutter head 2 and the second rotary cutter head 3 can be driven by themselves to move to one side of the tumor or the sleeve cutter head 1 can drive the two rotary cutter heads to one side of the tumor and then return to the end part of the tumor.

Driving the first rotary cutter head 2 or the second rotary cutter head 3 to rotate, cutting the tumor by the side edge of the rotary cutter head to separate the tumor from surrounding tissues and driving the wrapping film to wrap the tumor until the tumor is completely cut, and completely wrapping the tumor to the outside of the sleeve cutter head by the wrapping film; when the first rotary cutter head 2 or the second rotary cutter head 3 is driven to rotate, the head of the sleeve cutter head 1 is wrapped inside the wrapping film, so that the sleeve cutter head 1 can partially cut tumors in the wrapping film, and the tumors can be sucked out by negative pressure after the sleeve cutter head 1 is cut to the size of the negative pressure suction.

And resetting the first rotary cutter head 2 and the second rotary cutter head 3 to the surface of the sleeve cutter head 1, and taking out the first rotary cutter head, the second rotary cutter head and the wrapping film 6 along with the sleeve cutter head 1.

In one embodiment, referring to fig. 2 and 3, the second rotary-cut cutter head 3 is rotated for one circle and then positioned at one side of the first rotary-cut cutter head 2, so as to complete the wrapping of the tumor, the wrapping film is a soft film and can deform under the extrusion of surrounding tissues, and the wrapping film can contain developing components, so that a doctor can clearly see the boundary formed by the wrapping film under four-dimensional ultrasound, and further accurately judge the boundary of the tumor. The elastic membrane can be pulled out by pulling the rotary cutter head, so that the residual blocks of the tumor can be pulled out together, and can also be taken out along with the sleeve cutter head 1. The wrapping film 6 can not be reset, but is a flexible film, the interior of the wrapping film is less in residue after the tumor is sucked out through negative pressure, and the taking-out process can not cause additional injury to a patient. The wrapping film 6 may comprise a knitted material or an elastic material, which has a high toughness and is not easily cut, and is prevented from being cut by the trocar head 1, and the wrapping film 6 may be appropriately loosened and not necessarily placed in a tensioned state. Because the wrapping film and the sleeve cutter head are clearly visible under four-dimensional ultrasound, the cutting of the wrapping film 6 can be avoided in operation.

Further, the first rotary cutter head driving part and the second rotary cutter head driving part are respectively connected to the first rotary cutter head 2 and the second rotary cutter head 3 through a first operating lever 4 and a second operating lever 5, and a limiting block is arranged between the first operating lever 4 and the second operating lever 5 and serves as a fulcrum at which one of the operating levers can rotate around the other operating lever. Referring to fig. 4, the positioning block may be a sphere and limit an angle between the first and second levers such that an angle, an opening angle or an inclination angle of each direction between the levers can be adjusted. For a tumor with a regular partial shape, a positioning block with a shape such as a rectangular block can be used without adjusting the angle.

Further, the first rotary cutter 2 and the second rotary cutter head 3 are shaped according to the size and shape of the tumor. The shape can be preset, and a group of rotary cutter heads aiming at various common tumor shapes and sizes are arranged.

Further, in one embodiment, with reference to fig. 6, the first and second rotary cutter heads 2, 3 are shaped differently, the first rotary cutter head 2 being a linear cutter head; the second rotary cutter head 3 is a sheet cutter head with radian and rotates around the first rotary cutter head 2, the second rotary cutter head 3 can be fixed to one side of the first rotary cutter head 2, and a magnetic adsorption part can be arranged, so that the second rotary cutter head and the first rotary cutter head are adsorbed together after the wrapping is finished, and the wrapping film is kept to be closed. In one embodiment, the second rotary-cutting head 3 can be rotated to the side of the first rotary-cutting head 2 connected to the coating film 6 to wrap the first rotary-cutting head 2 in the coating film 6, and can even continue to rotate to wrap for more than one revolution. In this case, the sleeve bit 1 can be removed first, and then the two rotary cutter bits and the coating film 6 can be pulled out together.

Furthermore, the first rotary cutter head and the second rotary cutter head are sheet-shaped cutter heads, and are initially straight blades, and the radian of the bent blades is adjustable. In one embodiment, referring to fig. 1, the control rod 5 of the second cutting tool head 3 is sleeved with a sleeve 8, the lower end of the second cutting tool head 3 is fixed to the lower end of the control rod 5, and the upper end of the second cutting tool head 3 is connected to the lower end of the sleeve 8. Initially the second shaver head 3 is a straight blade and after reaching the vicinity of the tumor, the sleeve 8 is moved downwards, so that the second shaver head 3 forms an arc until the desired arc of cut is reached. The sleeve 8 can be positioned at different positions of the operating rod 5, a positioning nut can be arranged at the upper end of the sleeve 8, threads are arranged on the upper portion of the operating rod 5, and the sleeve 8 moves downwards by driving the positioning nut to rotate. In this embodiment, the second rotary cutter head 3 is taken as an example, the first rotary cutter head 2 may also adopt the radian-adjustable structure, and the radian is adjusted or not adjusted according to the requirement in the specific operation process.

Further, referring to fig. 5, the sleeve bit 1 is provided with a groove 1-1 on the surface thereof for placing the first rotary-cutting bit 2, the second rotary-cutting bit 3, a portion of the first operating lever 4 and the second operating lever 5. The shape of the recess 1-1 matches the shape of the placed object so that the sleeve bit 1 has a smooth outer appearance. Furthermore, the upper part of the sleeve cutter head is provided with a limiting ring 1-2 which limits the moving range of the first operating lever 4 and the second operating lever 5, and the rotary cutter head is prevented from being too far away from the sleeve cutter head.

As shown in fig. 8, the image is a picture of the wrapped tumor under four-dimensional ultrasound, the tumor and the wrapping film are clearly visible, the image can be saved, and the tumor is subsequently restored correspondingly. When the tumor is cut, the tumor boundary can be clearly determined by observing the envelope.

The use method of the superficial tumor wrapped resection device comprises the following steps:

(1) the three-dimensional space position of the tumor is found under the guidance of four-dimensional ultrasound, and the cannula cutter head 1 enters the skin under the control to be close to the tumor position.

(2) And releasing the first rotary cutter head 2 and the second rotary cutter head 3, controlling the first rotary cutter head 2 and the second rotary cutter head 3 to move to one side of the tumor under the guidance of four-dimensional ultrasound, driving the first rotary cutter head 2 or the second rotary cutter head to rotate 3, cutting the tumor by a side edge to separate the tumor from surrounding tissues and driving the wrapping film to wrap the tumor until the tumor is completely cut, and completely wrapping the tumor to the outside of the sleeve cutter head 1 by the wrapping film. A complete closed tumor space is formed for resection of the tumor.

(3) Driving a sleeve cutter head 1, cutting the tumor in the wrapping film 6 to a size capable of being sucked out under negative pressure, sucking out the tumor under negative pressure, preferably cutting in strips, and taking out in strips; the sleeve cutter head divides the tumors in the wrapping film 6 into 2-6 pieces; the taking sequence and the taking position of the tumor are recorded, so that the original shape of the tumor can be conveniently spliced and restored.

(4) And resetting the first rotary cutter head and the second rotary cutter head, and taking out the first rotary cutter head, the second rotary cutter head and the wrapping film along with the sleeve cutter head.

After the first rotary cutter head 2 and the second rotary cutter head 3 are released, if the radian of the rotary cutter head is adjustable, the curvature of the first rotary cutter head 2 and/or the second rotary cutter head 3 is adjusted according to the tumor shape; repositioning the first and second rotary cutter heads 2, 3 includes restoring the shape of the first and second rotary cutter heads.

The tumor body and surrounding tissues are cut and separated while being wrapped, the wrapped integrity of the tumor body is shown under dynamic three-dimensional images, and the wrapped tumor body is less than 0.5cm and can be directly taken out of the body. The tumor body is more than 1cm and less than 3cm and is cut into 2-6 strips.

The utility model provides a brand-new minimal access surgery thinking not only is applicable to the mammary tumor, more can be applied to all kinds of superficial tumors, guarantees the complete excision of tumor, has extensive application prospect.

To sum up, the utility model relates to a superficial tumour parcel resection device and application method thereof lies in carrying out the complete tumour body of wrapping up under the three-dimensional active data guide of four-dimensional supersound, cuts apart back negative pressure suction with the tumour, has reduced the size of wound, has guaranteed that the excision of tumour is complete, does not remain. The taking sequence and the position of the tumor are recorded, the taken tumor strips are spliced to restore the original shape of the tumor, the tumor is confirmed to be completely taken out, the conditions of all parts of the tumor can be accurately obtained, and the enlarged excision can be pertinently carried out on the position of the lesion. The tumor body and surrounding tissues can be clearly distinguished in the operation process, the unclear division caused by bleeding or anesthetic injection in the operation process is avoided, and the completeness and the accuracy of tumor body excision are ensured. The tumor body is integrally cut, the tumor range is limited, and then the tumor is cut, so that the rotary cutting range is limited, the operation is more accurate, the operation is easy, and the operation difficulty and the dependence on personal experience of doctors are reduced.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (7)

1. A superficial tumor wrapping and cutting device is characterized by comprising a sleeve cutter head, a first rotary cutter head, a wrapping film, a second rotary cutter head, a first rotary cutter head driving part and a second rotary cutter head driving part;

the outer surface of the sleeve cutter head is provided with a first rotary cutter head and a second rotary cutter head, and the sleeve cutter head brings the first rotary cutter head and the second rotary cutter head into the skin;

the first rotary cutter head and the second rotary cutter head are respectively arranged at the same side of the tumor under the driving of the first rotary cutter head driving part and the second rotary cutter head driving part, and a wrapping film is connected between the first rotary cutter head and the second rotary cutter head; the wrapping film is connected to the lower ends of the first rotary cutter head and the second rotary cutter head.

2. The superficial tumor package removal device of claim 1, wherein the first and second rotary cutter heads are blade-shaped, and the curvature of the blade-shaped cutting heads is adjustable.

3. The superficial tumor package removal device of claim 2, wherein the first and second rotary shaver heads are different in shape, the first rotary shaver head being a linear cutter head; the second rotary cutter head is a sheet cutter head with radian and rotates around the tumor, and the second rotary cutter head can be fixed to one side of the first rotary cutter head.

4. The superficial tumor package resection device of claim 1, wherein the first and second rotary-cut-blade-driving portions are connected to the first and second rotary-cut-blades by a first and second control levers, respectively, and a limit block is disposed between the first and second control levers as a fulcrum for rotation of one of the control levers; the angle between the first and second levers can be adjusted.

5. The superficial tumor covered resection device of claim 4, wherein the cannula head has a recess on a surface thereof for receiving the first rotary shaver head, the second rotary shaver head, a portion of the first control rod and a portion of the second control rod.

6. The superficial tumor package removal device of claim 5, wherein a limiting ring is arranged at the upper part of the sleeve bit to limit the moving range of the first operating rod and the second operating rod.

7. The superficial tumor wrapped resection device of claim 1, wherein the wrapping membrane carries the remaining tumor remnant out of the body.

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