CN219397393U - Mammary gland retractor and cavity building device - Google Patents

Abstract

The utility model relates to the technical field of medical instruments, in particular to a breast retractor, which comprises a retractor body and a retractor handle which are connected at an acute angle, wherein the retractor body is oblong, and the free end of the retractor body is provided with a comb-tooth-shaped needle penetrating part with an opening at the end part. The utility model also discloses a mammary gland cavity building device, which comprises a mammary gland drag hook and a second drag hook, wherein the second drag hook comprises a second drag hook body, a working window frame and a second drag hook handle which are sequentially connected, the second drag hook body is of a prolate shape, the second drag hook handle and the second drag hook body are respectively positioned above and below the working window frame, the drag hook body is connected with the upper edge of the working window frame, and the three drag hook bodies are enclosed to form an operation cavity. The breast retractor and the cavity builder can build and maintain the gradually increased operation space from front to back when in breast protection operation from the small incision in the armpit, are particularly suitable for small-segmentation sleeve-cutting breast cutting operation of the scaling cutting edge, and have the advantages of reliable structure, easy operation, good operation effect and easy popularization.

Description

Mammary gland retractor and cavity building device

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a mammary gland retractor and a cavity builder.

Background

Conventional open breast surgery generally requires an axillary incision to treat the lymph nodes and a skin incision on the surface of the breast tumor to ablate the tumor. Therefore, surgical scars are left on the breast to influence the appearance, the breast surface incision can be completely avoided by the breast protection operation through the armpit incision under the assistance of the innovative endoscope, the lymph node incision is only processed by the underarm concealment, the gap between the breast and pectoral muscle is separated through the incision, the skin flap on the surface of the tumor is separated, a surgical operation cavity is built, and the scaling and the excision of the tumor incisional edge are integrated to be used for accurately enlarging and cutting the tumor part. This requires a special lumen creating device to facilitate the operation with the aid of the lumen.

In addition, since the breast is significantly higher than the skin at the armpit, a special retractor is required to better meet the operation requirement when the breast focus is excised through the armpit operation.

Disclosure of Invention

Aiming at the problems existing in the prior art, the utility model provides a breast retractor and a cavity builder which can build and maintain an operation space which gradually increases from front to back when in underarm small incision to perform breast-protecting endoscope excision operation, and the breast retractor and the cavity builder are particularly suitable for small segmentation sleeve cutting mastectomy operation with calibration cutting edges.

In order to achieve the aim of the utility model, the utility model adopts the following technical scheme:

mammary gland drag hook, its characterized in that: the novel drag hook comprises a drag hook body and a drag hook handle, wherein the drag hook body is connected with the drag hook handle in an acute angle, the drag hook body is oblong, the free end of the drag hook body is provided with a needle penetrating part, and the needle penetrating part is in a comb tooth shape with an open end. The operation space which is gradually enlarged from front to back can be established, the prolapsed breast tissue which is soft, easy to deform and move is suitable for being fixedly supported, and the needle threading part is suitable for threading and positioning the steel wire when the drag hook is opened. The breast retractor is particularly suitable for separating the rear space of the breast of pectoral large muscle.

Preferably, the included angle between the drag hook body and the drag hook handle is 30-80 degrees. A workspace of a suitable size can be created.

Preferably, the retractor also comprises a light source and an aspirator, wherein the light source and the aspirator are positioned below the retractor body and are fixedly or movably connected with the retractor body, and the aspirator can freely rotate and stretch out and draw back during the movable connection. The light source can be better observed and operated, and the aspirator attracts smoke and bleeding generated when the electrotome burns and cuts.

Preferably, the aspirator is movably connected with the retractor body, at least one connecting ring is arranged below the retractor body, and the aspirator arranged in the connecting ring can freely rotate and stretch. The connecting ring can also be a clamp or a clamp spring. The aspirator can freely rotate and stretch out and draw back, so that the aspirator can be used for controlling mammary tissue which is not supported by the retractor body more flexibly, and the working cavity can be better expanded. And can better attract the smoke and bleeding at different positions.

Preferably, the free end of the drag hook handle is provided with at least one upper connecting part, and the upper connecting part is a through groove or/and a through hole. The drag hook handle can be fixed on the original operation frame of the operation through the upper connecting part without being held by hands.

Preferably, the width of the drag hook body is 2-6cm, the length is 10-30cm, and the thickness is 1-3mm. The breast retractor can be made into three types of large, medium and small or more, and is suitable for focuses with different depths at different positions.

The mammary gland cavity building device comprises the mammary gland drag hook as described in the claim, and further comprises a second drag hook, wherein the second drag hook comprises a second drag hook body, a working window frame and a second drag hook handle which are sequentially connected, the second drag hook body is of an prolate shape, the second drag hook handle and the second drag hook body are respectively positioned above and below a space formed by the working window frame, the drag hook body is connected with the upper edge of the working window frame, and the drag hook body, the working window frame and the second drag hook body are enclosed to form an operation cavity. The two drag hooks are matched for use, so that an operation space which has upper and lower supports and gradually increases from front to back can be established and maintained.

Preferably, the main connecting parts are arranged at the corresponding positions of the upper edges of the drag hook body and the working window frame, the main connecting parts are through holes and/or through grooves, and the drag hook body is detachably connected with the upper edges of the working window frame through the main connecting parts. The detachable connection is more flexible than the fixed connection, and the mammary gland retractor and the second retractor can be separated for use.

Preferably, the connecting end of the drag hook body and the drag hook handle is provided with downward side wings, the side wings are provided with convex blocks, the side edges of the working window frame are provided with limit grooves, and the convex blocks are inserted into the limit grooves to be detachably connected.

Preferably, the corresponding positions of the drag hook handle and the second drag hook handle are respectively provided with a lower connecting part, the lower connecting parts are through holes and/or through grooves, and the drag hook handle and the second drag hook handle are detachably connected through the lower connecting parts.

The breast retractor and the cavity builder can build and maintain the gradually increased operation space from front to back when the breast endoscope is resected from the small incision at the armpit, are particularly suitable for small-segmentation sleeve-cutting mastectomy with scaling cutting edges, and have the advantages of simple and reliable structure, easy operation, good operation effect and easy popularization.

Drawings

Fig. 1 is a schematic diagram of a mammary gland retractor according to embodiment 1 of the present utility model.

Fig. 2 is a schematic diagram of the breast retractor according to embodiment 2 of the present utility model.

Fig. 3 is a schematic diagram of a breast retractor according to embodiment 3 of the present utility model.

Fig. 4 is a schematic diagram of a breast retractor according to embodiment 4 of the present utility model.

Fig. 5 is a schematic diagram of a second retractor according to embodiment 4 of the present utility model.

Fig. 6 is a schematic view of a breast cavity builder according to embodiment 4 of the present utility model.

Fig. 7 is a schematic view of a breast cavity builder according to embodiment 5 of the present utility model.

Fig. 8 is a schematic diagram of a mammary gland retractor according to embodiment 6 of the present utility model.

Fig. 9 is a schematic view of a breast cavity builder according to embodiment 6 of the present utility model.

In the figure: 1. a drag hook body; 2. a hook handle; 3. a needle threading part; 4. a light source; 5. an aspirator; 6. a connecting ring; 7. a mammary gland retractor; 8. a second drag hook; 9. a second retractor body; 10. a working window frame; 11. a second hook handle; 12. an operating chamber; 13. a main connection part; 14. a bump; 15. a limit groove; 16. a lower connecting part; 17. an upper connection part; 18. a bolt and nut set; 19. and a clamp spring hole.

Detailed Description

The utility model is further described below in connection with fig. 1-9 and the detailed description.

Example 1

The mammary gland drag hook is shown in figure 1, and comprises a drag hook body 1 and a drag hook handle 2, wherein the drag hook body 1 is connected with the drag hook handle 2 at an acute angle, the drag hook body 1 is oblong, the free end of the drag hook body is provided with a needle penetrating part 3, and the needle penetrating part 3 is in a comb tooth shape with an open end. The free end of the hook handle 2 is provided with an upper connecting part 17, and the upper connecting part 17 is provided with a through groove.

The included angle between the drag hook body 1 and the drag hook handle 2 is 70 degrees.

The width of the drag hook body 1 is 3cm, the length is 20cm, and the thickness is 2mm.

Example 2

The breast retractor is otherwise identical to embodiment 1 except that: as shown in fig. 2, the breast retractor further comprises a light source 4 and an aspirator 5, wherein the light source 4 and the aspirator 5 are positioned below the retractor body 1 and fixedly connected with the lower surface of the retractor body 1.

Example 3

The breast retractor is otherwise identical to embodiment 1 except that: as shown in fig. 3, the mammary gland retractor further comprises a light source 4 and an aspirator 5, wherein the light source 4 and the aspirator 5 are positioned below the retractor body 1, the light source 4 is fixedly connected with the lower surface of the retractor body 1, the aspirator 5 is movably connected with the retractor body 1, 2 connecting rings 6 are arranged below the retractor body 1, and the aspirator 5 arranged in the connecting rings 6 can freely rotate and stretch.

Example 4

The breast retractor is otherwise identical to embodiment 1 except that: as shown in fig. 4, the connecting end of the drag hook body 1 and the drag hook handle 2 is provided with downward flanks, and the two flanks are respectively provided with a bump 14 so as to be matched with the limit groove 15 for limit. The main connecting part 13 is arranged at the corresponding position of the drag hook body 1 so as to be matched and fixed with the main connecting part 13 arranged at the corresponding position along the upper edge of the working window frame 10. The lower connecting part 16 is arranged at the corresponding position of the hook handle 2 so as to be matched with the lower connecting part 16 arranged at the corresponding position of the second hook handle 11 to fix the two hook handles.

The second draw hook 8, as shown in fig. 5, comprises a second draw hook body 9, a working window frame 10 and a second draw hook handle 11 which are sequentially connected, wherein the second draw hook body 9 is of an prolate shape, and the second draw hook handle 11 and the second draw hook body 9 are respectively positioned above and below a space formed by the working window frame 10. The working window frame 10 is square, and the second drag hook body 9 is connected perpendicularly at working window frame 10 lower frame, and second drag hook handle 11 is connected at working window frame 10 top frame, and second drag hook handle 11 is 90 with second drag hook body 9 contained angle. The main connecting part 13 is arranged at the corresponding position of the upper frame of the working window frame 10 so as to be matched and connected with the main connecting part 13 arranged at the corresponding position of the drag hook body 1. The left and right frames of the working window frame 10 are provided with limit grooves 15 so as to be matched and limited with the convex blocks 14 on the drag hook body 1. The lower connecting portion 16 is provided at a corresponding position of the second shank 11 so as to be connected with the lower connecting portion 16 provided at a corresponding position of the shank 2.

The breast cavity builder, as shown in figure 6, comprises a breast drag hook 7 shown in figure 4, and also comprises a second drag hook 8 shown in figure 5, wherein the drag hook body 1 is arranged below the upper frame of the working window frame 10, the left and right two lugs 14 are inserted into the limit grooves 15, the two main connecting parts 13 are aligned, and the two main connecting parts are fixedly connected by the bolt and nut groups 18. The two lower connection portions 16 are aligned and fixedly connected by a set of bolts and nuts 18. The retractor body 1, the working window frame 10 and the second retractor body 9 are enclosed to form an operation cavity 12.

Example 5

The breast retractor is otherwise identical to embodiment 4 except that: the mammary gland drag hook further comprises a light source 4 and an aspirator 5, wherein the light source 4 and the aspirator 5 are positioned below the drag hook body 1, the light source 4 is fixedly connected with the lower surface of the drag hook body 1, the aspirator 5 is movably connected with the drag hook body 1, 2 connecting rings 6 are arranged below the drag hook body 1, and the aspirator 5 arranged in the connecting rings 6 can rotate and stretch freely.

The breast cavity builder, as shown in example 4, is different in that: as shown in fig. 7, the breast retractor according to the present embodiment is used to connect with the second retractor 8 in a matching manner.

Example 6

The breast retractor is otherwise identical to embodiment 5 except that: as shown in fig. 8, two snap spring holes 19 are formed in the end of the joint of the drag hook body 1 and the drag hook handle 2, the connecting ring 6 is provided with two circular snap springs, and the snap springs are clamped into the snap spring holes 19 to be movably connected with the drag hook body 1. The light source 4 and the aspirator 5 arranged in the snap spring can freely rotate and stretch. (light source 4 and aspirator 5 are not shown in the figure)

The breast cavity builder, other parts are as shown in example 5, except that: as shown in fig. 9, the breast retractor according to the present embodiment is used to connect with the second retractor 8 in a matching manner.

The breast retractor and the breast cavity builder are used for performing small-segmentation sleeve-cutting breast-protecting operation of scaling and cutting edges, and the method comprises the following steps:

1. anesthesia, abduction of upper limb of affected side in recumbent position, raising shoulder of affected side by 10-20cm;

2. tumor body surface positioning: according to the specific accessibility of the tumor, selecting a body surface marker under B ultrasonic or palpation, positioning a tumor boundary and a cutting edge boundary which bypasses the tumor by 1.5-2.0cm, uniformly dividing the cutting edge boundary into 8 parts, marking out the starting point and the end point of each part of boundary, leaving a gap of about 5mm between the next starting point and the last end point, and taking each part of starting point and end point as the leading-in point and the leading-out point of each cut steel wire line;

3. conventional disinfection towel spreading;

4. sentinel lymph node biopsy: performing conventional sentinel lymph node visualization technology, and performing axillary incision biopsy on the sentinel lymph nodes;

5. postmammary gland gap separation: with the breast retractor 7 of the embodiment, under the assistance of a endoscope, the retractor body 1 is gradually inserted from the axillary incision of the sentinel lymph node biopsy along the breast back gap of pectoral large muscle, the upper connecting part 17 of the retractor handle 2 is hung on the original operation frame, the exposure operation field is expanded, the breast back gap is fully separated towards the direction of the breast quadrant where the tumor is located, the scope exceeds the projection of the body surface tumor cutting edge, and the breast retractor 7 is not taken out;

6. guiding the cutting edge positioning steel wire: under the direct view of a laparoscope, guiding one end of a snare steel wire into a mammary gland back gap from the skin surface by utilizing a trocar according to the part starting point determined in the step 2, puncturing a puncture lead wire crochet needle into the mammary gland back gap from the part ending point, guiding one end of the just-guided snare steel wire out of the body surface from the part ending point, and if the starting point ending point position is at the position of a mammary gland drag hook 7, operating through the gap of a needle penetrating part 3, continuously completing 8 parts, and taking out the mammary gland drag hook 7;

7. tumor surface flap separation: the axillary incision is biopsied from the sentinel lymph node, the skin flap is separated towards the tumor direction, and the skin flap is fully separated from the mammary tissue;

8. establishing a working cavity: inserting a breast cavity builder between a skin flap and breast tissue, hanging an upper connecting part 17 of a hook handle 2 on an original operation frame, establishing an operation cavity 12, confirming a steel wire between the skin flap and the breast tissue, wrapping and insulating the steel wire passing through the skin flap by an insulating sleeve, and fixing each steel wire and the insulating sleeve by a small clip;

9. tumor tissue was completely resected and labeled: and winding two ends of the steel wire line of each starting point and each finishing point to an electric knife, cutting 8 parts one by one in a direction perpendicular to the mammary gland after the electric knife is electrified until the whole tumor tissue is completely cut off, and conventionally making a cutting edge mark. The aspirator 5 can flexibly control mammary tissue outside the working chamber during each cutting process, and aspirate generated smoke and bleeding.

The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims.

Claims (10)

1. Mammary gland drag hook, its characterized in that: the novel drag hook comprises a drag hook body (1) and a drag hook handle (2), wherein the drag hook body (1) is connected with the drag hook handle (2) at an acute angle, the drag hook body (1) is oblong, a needle penetrating part (3) is arranged at the free end of the drag hook body, and the needle penetrating part (3) is in a comb tooth shape with an open end.

2. The breast retractor of claim 1, wherein: the included angle between the drag hook body (1) and the drag hook handle (2) is 30-80 degrees.

3. The breast retractor of claim 1, wherein: the novel retractor comprises a retractor body (1), and is characterized by further comprising a light source (4) and an aspirator (5), wherein the light source (4) and the aspirator (5) are positioned below the retractor body (1) and are fixedly or movably connected with the retractor body (1), and the aspirator (5) can freely rotate and stretch out and draw back during movable connection.

4. The breast retractor of claim 3, wherein: the aspirator (5) is movably connected with the drag hook body (1), at least one connecting ring (6) is arranged below the drag hook body (1), and the aspirator (5) arranged in the connecting ring (6) can freely rotate and stretch out and draw back.

5. The breast retractor of claim 1, wherein: the free end of the drag hook handle (2) is provided with at least one upper connecting part (17), and the upper connecting part (17) is a through groove or/and a through hole.

6. The breast retractor of claim 1, wherein: the width of the drag hook body (1) is 2-6cm, the length is 10-30cm, and the thickness is 1-3mm.

7. Breast cavity creation device comprising a breast retractor (7) according to any of claims 1-6, characterized in that: still include second drag hook (8), second drag hook (8) including second drag hook body (9), work window frame (10) and second drag hook handle (11) that connect gradually, second drag hook body (9) are prolate, second drag hook handle (11), second drag hook body (9) are located the top and the below in work window frame (10) formation space respectively, drag hook body (1) are connected along on work window frame (10), drag hook body (1) enclose with work window frame (10), second drag hook body (9) and close and form operating chamber (12).

8. The breast cavity builder of claim 7, wherein: main connecting parts (13) are arranged at the corresponding positions of the upper edges of the drag hook body (1) and the working window frame (10), the main connecting parts (13) are through holes and/or through grooves, and the upper edges of the drag hook body (1) and the working window frame (10) are detachably connected through the main connecting parts (13).

9. The breast cavity builder of claim 7, wherein: the connecting end of the drag hook body (1) and the drag hook handle (2) is provided with downward flanks, the flanks are provided with lugs (14), the side edges of the working window frame (10) are provided with limit grooves (15), and the lugs (14) are inserted into the limit grooves (15) to be detachably connected.

10. The breast cavity builder of claim 7, wherein: the draw hook handle (2) and the corresponding position of the second draw hook handle (11) are respectively provided with a lower connecting part (16), the lower connecting parts (16) are through holes and/or through grooves, and the draw hook handle (2) and the second draw hook handle (11) are detachably connected through the lower connecting parts (16).