CN111345872A - Circumcision surgical instrument - Google Patents

Abstract

The application provides a circumcision surgical instrument, which comprises an anastomosis device and a clamping device, wherein the anastomosis device is provided with an upper anastomosis component and a lower anastomosis component, wherein, the upper anastomosis component is provided with an upper anastomosis unit and an upper ring cutting unit, the lower anastomosis component comprises a first lower anastomat and a second lower anastomat which are provided with a lower anastomosis unit and a lower ring cutting unit, the second lower anastomat is used for circumferentially fixing the first lower anastomat to form the lower anastomosis component, the upper anastomosis component and the lower anastomosis component can be coaxially assembled on the penis, and acting force is applied to the upper anastomosis component and the lower anastomosis component by the clamping device, so that the upper anastomosis component is matched with the lower anastomosis component, and the upper ring cutting unit is matched with the lower ring cutting unit, and synchronous cutting and anastomosis operation are carried out aiming at the foreskin, so that the convenience and controllability of the operation are improved.

Description

Circumcision surgical instrument

Technical Field

The embodiment of the application relates to a medical instrument, in particular to a circumcision surgical instrument.

Background

Circumcision is one of the most common operations in urinary surgery, and is performed in two ways in the prior art: namely, the conventional circumcision performed by using a conventional instrument and the circumcision performed by using a special instrument, wherein the main steps of the conventional circumcision performed by using the conventional surgical instrument include: the operations of sharp cutting of foreskin, hemostasis, suturing and the like exist, and the operation mode has the problems of long time consumption, time and labor waste and the like.

Circumcision performed by using special instruments generally means circumcision is completed by simultaneously cutting and anastomosing the inner and outer plates of the foreskin by using a foreskin anastomosis instrument, and the operation mode has the characteristics that: short operation time, less bleeding, no need of needle and thread sewing, neat and beautiful appearance and less postoperative scar. Therefore, the foreskin anastomat has great advantages in the circumcision.

However, the foreskin staplers currently in use suffer from the following problems: firstly, the existing foreskin anastomat (such as a merchant ring) is not used for one-time cutting in an operation, a patient needs to carry the anastomat after the operation and to sleeve the foreskin incision for several days, so that the life of the patient after the operation is inconvenient, and the problems of foreskin edema, incision pain and the like are easily caused; secondly, when the foreskin is cut in the operation of the existing foreskin anastomat, the base part of the existing foreskin anastomat can shield the penis body and the penis part, so that a doctor cannot adjust the length of a foreskin tying belt to be reserved under the condition of direct vision and cannot accurately adjust the range of foreskin excision, and therefore, the problems of insufficient safety and low accuracy of the operation are caused due to the possibility of misoperation of excessive or insufficient foreskin excision.

In view of the above, how to develop a circumcision instrument to overcome the above-mentioned shortcomings in the prior art is the technical problem to be solved by the present application.

Disclosure of Invention

In view of the above problems, the present application provides a circumcision surgical instrument, which can provide a direct-viewing surgical operation, and increase the convenience and controllability of the surgical operation to improve the accuracy and safety of the operation.

Another aim at of this application provides a circumcision surgical instrument, has reduced the operation degree of difficulty of operation, realizes that the purpose of operation can be accomplished in doctor's one-man operation.

Another object of the present application is to provide a circumcision device, which can achieve the purpose of one-time operation, and the patient does not need to wear the surgical device after operation, thereby facilitating the postoperative care and relieving pain, and reducing the risk of complications during and after operation.

An embodiment of the present application provides a circumcision instrument, which includes: the device comprises an anastomosis device and a clamping device, wherein the anastomosis device is provided with an upper anastomosis component and a lower anastomosis component, and the upper anastomosis component is provided with a first annular opening, an upper anastomosis unit, an upper positioning unit and an upper cutting unit; the lower anastomosis assembly is provided with a first lower anastomat and a second lower anastomat, and the first lower anastomat comprises a second annular opening, a lower anastomosis unit and a lower circular cutting unit; the second lower anastomat is used for being fixed on the periphery of the first lower anastomat so as to enable the second lower anastomat and the first lower anastomat to be fixed in the circumferential direction, and the second lower anastomat is further provided with a lower positioning unit; the clamping device is used for providing clamping force for the upper anastomosis component and the lower anastomosis component to move oppositely, and is provided with an upper clamping and positioning unit which is used for fixedly combining with an upper positioning unit of the upper anastomosis component so as to apply clamping force to the upper anastomosis component; the lower clamping and positioning unit is used for fixedly combining a lower positioning unit of the second lower anastomat in the lower anastomosis assembly so as to apply clamping force to the lower anastomosis assembly; wherein the second lower anastomat is used for being fixed on the periphery of the first lower anastomat, so that the foreskin to be cut is fixed between the first lower anastomat and the second lower anastomat, and the second lower anastomat and the first lower anastomat are circumferentially fixed to form the lower anastomosis assembly, the upper anastomosis assembly and the lower anastomosis assembly are mutually matched to enable the first annular opening and the second annular opening to be mutually combined to form a passage through which a penis can pass, the upper positioning unit is used for fixedly combining the upper clamping and positioning unit, the lower positioning unit is used for fixedly combining the lower clamping and positioning unit, so that the positions of the upper anastomosis unit of the upper anastomosis assembly and the lower anastomosis unit of the first lower anastomat correspond to each other, and the positions of the upper circumcision unit of the upper anastomosis assembly and the lower circumcision unit of the lower anastomosis assembly correspond to each other, the clamping device is used for applying clamping force to the upper anastomosis assembly and the lower anastomosis assembly so as to enable the upper anastomosis assembly and the lower anastomosis assembly to move oppositely, enable the upper ring cutting unit and the lower ring cutting unit to be matched for cutting the foreskin, and enable the upper anastomosis unit and the lower anastomosis unit to be matched for performing anastomosis on the foreskin.

Optionally, in an embodiment of the present application, the upper anastomosis unit includes a first upper anastomosis structure and a second upper anastomosis structure, and wherein the upper anastomosis assembly further includes a first upper anastomat, a second upper anastomat and an elastic member, wherein the first upper anastomat has: the first upper anastomat body is provided with a first annular opening; a plurality of guide posts disposed on the first upper stapler body and surrounding the first annular opening; the first upper anastomosis structure comprises a plurality of nail paths arranged on the bottom outer ring of the first annular opening; the second upper stapler has: the second upper anastomat body is provided with a third annular opening with the inner diameter larger than that of the first annular opening; a plurality of guide holes, which are arranged on the second upper anastomat body and surround the outer ring of the third annular opening, and are used for providing each guide pillar of the first upper anastomat to penetrate through the guide holes so that the second upper anastomat body can be arranged on the first upper anastomat body in a sliding fit manner; the second upper anastomosis structure comprises a plurality of nail bins and a plurality of anastomosis nails, wherein the nail bins are circumferentially arranged on the outer ring of the top of the third annular opening, and the anastomosis nails are stored in the nail bins; the upper ring cutting unit comprises a ring-shaped cutter axially arranged on the top outer ring of the third ring-shaped opening, wherein the length of the ring-shaped cutter is greater than that of the nail bin, and the inner diameter of the ring-shaped cutter is greater than the outer diameter of the bottom outer ring of the first ring-shaped opening; the upper positioning unit comprises a positioning lug arranged on the first upper anastomat body; the elastic pieces are respectively sleeved on the guide posts and used for providing elastic restoring force; when the guide posts penetrate through the guide holes, the nail channels on the first upper anastomat are matched with the nail boxes on the second upper anastomat in a one-to-one correspondence mode, so that the nail boxes push out the anastomotic nails stored in the nail channels; when the second upper anastomat moves towards the direction of the lower anastomosis component, the elastic parts can be driven to move towards the same direction, and the first upper anastomat is pushed by the elastic parts to move towards the direction of the lower anastomosis component at the same time.

Optionally, in an embodiment of the present application, the first lower stapler further has: the first lower anastomat body is provided with a second annular opening of which the inner diameter is smaller than or equal to that of the first annular opening; the lower anastomosis unit comprises a plurality of nail seats which are circumferentially arranged on the top outer ring of the second annular opening; the lower circular cutting unit comprises a cutter groove which is circumferentially arranged on the top outer ring of the second annular opening and is positioned on the periphery of the nail seat; the second lower stapler further has: the first semi-ring is provided with a first end and a second end, and the first end is also provided with a first locking unit; the second semi-ring is provided with a third tail end and a fourth tail end, wherein a second locking unit is further arranged on the third tail end; the lower positioning unit comprises a positioning lug fixedly arranged on one of the first half ring and the second half ring; the second end of the first half ring is hinged to the fourth end of the second half ring, and the first locking unit and the second locking unit are used for fixedly connecting the first end of the first half ring and the third end of the second half ring, so that the first half ring and the second half ring form the second lower anastomat with a fourth annular opening, and the second lower anastomat is fixedly sleeved on the periphery of the first lower anastomat.

Optionally, in the embodiment of the present application, when the second lower stapler is fixedly sleeved on the outer circumference of the first lower stapler, and the upper positioning unit is fixedly combined to the upper clamping and positioning unit, when the lower positioning unit is fixedly combined with the lower clamping positioning unit, the positions of the nail channels on the first upper anastomat, the positions of the nail bins on the second upper anastomat and the positions of the nail seats on the first lower anastomat are matched in a one-to-one correspondence manner, so as to provide supporting force for the staples pushed out from the staple box through the staple channels by the staple seats and rivet and bend the staple legs of the staples, thereby the foreskin is performed with the anastomosis operation, and the position of the annular cutter on the second upper anastomat is correspondingly matched with the position of the cutter groove on the first lower anastomat, so as to provide supporting force for the annular cutter by means of the cutter groove.

Optionally, in embodiments of the present application, the number of staple cartridges, staple lanes, and staple receptacles is between 6 and 20.

Optionally, in this embodiment of the application, the upper clamping and positioning unit and the lower clamping and positioning unit on the clamping device are respectively a positioning groove.

Optionally, in an embodiment of the present application, the anastomosis device in the circumcision instrument is a disposable device.

Optionally, in an embodiment of the present application, the staples stored in the cartridge are disposable.

Optionally, in an embodiment of the present application, the anastomosis device is integrally formed with the clamping device.

The invention also provides a method for performing circumcision by using the circumcision instrument provided by the embodiments, which is characterized by comprising the following steps: sleeving a first lower anastomat on the penis by virtue of the second annular opening, turning the foreskin to be cut on the penis outwards and wrapping the periphery of the first lower anastomat; sleeving the second lower anastomat with the first half ring and the second half ring in an unlocked state on the periphery of the first lower anastomat, and locking the first locking unit and the second locking unit, so that the first half ring and the second half ring are fixedly combined with each other to form the second lower anastomat with the fourth annular opening and are fixedly sleeved on the periphery of the first lower anastomat, the foreskin is fixed between the first lower anastomat and the second lower anastomat, and the second lower anastomat and the first lower anastomat are circumferentially fixed to form the lower anastomosis assembly; the upper anastomosis component is fixedly combined with the clamping device by the upper positioning unit and the upper clamping and positioning unit; the upper anastomosis component is sleeved on the penis by the first annular opening, so that the first annular opening and the first lower anastomat are combined with each other to form a passage through which the penis can pass; the lower anastomosis component is fixedly combined with the clamping device by the lower positioning unit and the lower clamping and positioning unit; and applying an acting force to the clamping device to enable the upper anastomosis assembly and the lower anastomosis assembly to move oppositely under the action of the clamping force provided by the clamping device, so that the upper circumcision unit and the lower circumcision unit are matched to cut the foreskin, and the upper anastomosis unit and the lower anastomosis unit are matched to perform anastomosis on the foreskin.

According to the technical scheme, the circumcision surgical instrument can be used for a passageway formed by the first annular opening and the second annular opening and allowing a penis to pass through, and the foreskin to be cut can be everted and wrapped on the periphery of the first lower anastomat, so that a doctor can adjust the foreskin to be cut under the direct-vision operation condition, the penis can be effectively prevented from being damaged, and the operation safety is improved.

Furthermore, the foreskin to be cut is everted and wrapped on the periphery of the first lower anastomat, and the second lower anastomat is fixed on the periphery of the first lower anastomat, so that the foreskin to be cut is fixed between the first lower anastomat and the second lower anastomat, a doctor can conveniently adjust the cutting range of the leather bag at any time, the convenience and the controllability of the operation are effectively increased, and the accuracy of the foreskin excision is improved.

In addition, this application can provide and can realize the fixed, cutting and anastomotic linkage operation to the foreskin with one-hand operation, has reduced the operation degree of difficulty of operation.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the embodiments of the present application, and other drawings can be obtained by those skilled in the art according to the drawings.

Fig. 1 is a schematic view showing the overall construction of a circumcision instrument according to the present application;

FIG. 2 is an exploded view of the circumcision instrument of the present application;

FIG. 3 is a schematic diagram illustrating an exemplary upper anastomosis assembly according to the present application;

FIG. 4 is a schematic view showing the structure of a first upper stapler of the present application;

FIG. 5 is a schematic view showing the structure of a second upper stapler of the present application;

FIG. 6 is a schematic view showing the structure of an embodiment of a lower anastomosis assembly of the present application; and

fig. 7 and 8 are schematic views showing different embodiments of the clamping device of the present application.

Element number

1 circumcision instrument

11 anastomosis device

12 upper anastomosis assembly

13 first annular opening

14 upper anastomosis unit

15 Upper positioning unit (positioning lug)

Cutting unit on 16

17 lower anastomosis assembly

18 first lower anastomat

19 second annular opening

20 lower anastomosis unit (nail seat)

21 lower ring cutting unit (cutter groove)

22 second lower anastomat

23 lower positioning unit (positioning lug)

24 clamping device

25 Upper holding locating unit (locating groove)

26 lower clamping location unit (location groove)

27 first upper anastomosis structure (nail path)

28 second upper anastomosis structure

29 first upper anastomat

30 first upper anastomat body

31 guide post

32 second upper anastomat

33 second upper anastomat body

34 third annular opening

35 guide hole

36 nail bin

37 anastomotic nail

38 elastic member

39 first lower anastomat body

40 first half ring

401 first end

402 second end

41 first locking unit

42 second half ring

421 third end

422 fourth end

43 second locking unit

44 fourth annular opening

45 clamping body

46 hand-held part

47 drive assembly

48 clamping assembly

481 Upper clamp unit

482 lower clamping unit

483 upper parallel movable part

484 lower parallel moving part

485,486 chute

487 slide block

49 first link

50 slide block mandrel

51 second connecting rod

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application shall fall within the scope of the protection of the embodiments in the present application.

Referring to fig. 1 and fig. 2, fig. 1 is a schematic view illustrating an overall structure of a circumcision instrument according to the present application, and fig. 2 is an exploded schematic view illustrating the circumcision instrument according to the present application. As shown in the drawings, the circumcision apparatus 1 of the present application is mainly composed of an anastomosis device 11 and a clamping device 24. The anastomotic device 11 and the clamping device 24 may be designed as two independent devices, or the anastomotic device 11 and the clamping device 24 may be designed as an integral part, depending on the actual requirements.

Furthermore, the anastomosis device 11 further comprises an upper anastomosis member 12 and a lower anastomosis member 17. In this embodiment, the anastomotic device 11 of the circumcision instrument 1 may be designed as a single-use device.

Referring to fig. 3, wherein fig. 3 is a schematic structural diagram illustrating an embodiment of an upper anastomosis assembly 12 according to the present application, the upper anastomosis assembly 12 is provided with a first annular opening 13, an upper anastomosis unit 14, an upper positioning unit 15 and an upper ring cutting unit 16.

Please refer to fig. 4 and 5 in combination, in which fig. 4 is a schematic structural diagram illustrating a first upper stapler of the present application, and fig. 5 is a schematic structural diagram illustrating a second upper stapler of the present application. In the embodiment of the present invention, the upper anastomosis assembly 12 is composed of a first upper anastomosis device 29, a second upper anastomosis device 32 and an elastic member 38, and the upper anastomosis unit 14 is composed of a first upper anastomosis structure 27 and a second upper anastomosis structure 28.

As shown in fig. 2 and 4, the first upper stapler 29 has a first upper stapler body 30, a plurality of guide posts 31, and a first upper stapling structure 27. Wherein, the first upper anastomat body 30 is provided with a first annular opening 13. Each guide post 31 is disposed on the first upper stapler body 30 and surrounds the first annular opening 13, and in the present embodiment, the number of the guide posts 31 can be arbitrarily adjusted according to actual requirements. The first upper anastomosis structure 27 comprises a plurality of staple channels 27 provided on the bottom outer ring of the first annular opening 13. In the present embodiment, the number of the nail paths 27 is about between 6 and 20, and the preferred number is 12, but not limited thereto, and can be adjusted according to the actual requirement.

As shown in fig. 2 and 5, the second upper stapler 32 further has a second upper stapler body 33, a plurality of guide holes 35, a second upper stapling structure 28, an upper ring cutting unit 16, and an upper positioning unit 15.

The second upper anastomat body 33 is provided with a third annular opening 34 with an inner diameter larger than that of the first annular opening 13, so that the second upper anastomat body 33 can be sleeved on the outer ring of the first upper anastomat body 30.

The guiding hole 35 is disposed on the second upper anastomat body 33 and surrounds the outer ring of the third annular opening 34, so as to allow each guiding post 31 of the first upper anastomat 29 to penetrate therethrough, and to allow the second upper anastomat body 33 to be slidably disposed on the first upper anastomat body 30. In the present embodiment, the number and the positions of the guide holes 35 correspond to the number and the positions of the guide posts 31.

The second upper stapling structure 28 includes a plurality of staple cartridges 36 circumferentially disposed on the top outer ring of the third annular opening 34 and a plurality of staples 37 stored in each staple cartridge 36. In the present embodiment, the number of the staple cartridges 36 is about between 6 and 20, and the preferred number is 12, but not limited thereto, and can be adjusted according to the actual requirement. However, it should be noted that the number of staple cartridges 36 and the positions thereof correspond to the number of staple paths 27 and the positions thereof in the first upper stapler 29. In the present embodiment, when the guide posts 31 of the first upper stapler 29 are inserted into the guide holes 35 of the second upper stapler 32, the positions of the staple channels 27 of the first upper stapler 29 and the staple cartridges 36 of the second upper stapler 32 are matched in a one-to-one correspondence manner, so that the staple cartridges 36 can push out the staples 37 stored therein through the staple channels 27. Further, in the present embodiment, staples 37 stored within cartridge 36 may be designed as a single use component.

The upper ring cutting unit 16 includes a ring-shaped cutter 16 axially disposed on the top outer ring of the third ring-shaped opening 34, in this embodiment, the length of the ring-shaped cutter 16 is greater than the length of the nail bin 36, and the inner diameter of the ring-shaped cutter 16 is greater than the outer diameter of the bottom outer ring of the first ring-shaped opening 13, so that the ring-shaped cutter (the upper ring cutting unit) 16 is matched with the lower ring cutting unit 21 without affecting the upper anastomosis unit 14 and the lower anastomosis unit 20.

The upper positioning unit 15 includes a positioning protrusion 15 disposed on the first upper stapler body 30 and extending from one side of the first annular opening 13.

The elastic members 38 (as shown in fig. 2, 3 and 4) are respectively sleeved on the guide posts 31 for providing elastic restoring force. In this embodiment. In the present embodiment, when the second upper stapler 32 moves toward the lower stapling element 17, the elastic element 38 is driven to move in the same direction, and the elastic element 38 pushes the first upper stapler 29 to move toward the lower stapling element 17 at the same time.

Referring to fig. 2, 3 and 6, fig. 6 is a schematic structural diagram illustrating an embodiment of a lower anastomosis assembly 17 according to the present application. As shown, lower anastomosis assembly 17 includes a first lower anastomat 18 and a second lower anastomat 22, wherein first lower anastomat 18 further has a second annular opening 19, a lower anastomosis unit 20 and a lower circular cutting unit 21. The second lower anastomat 22 is provided with a lower positioning unit 23, which is used for being fixed on the periphery of the first lower anastomat 18, so that the second lower anastomat 22 and the first lower anastomat 18 are circumferentially fixed (as shown in fig. 6) to form the lower anastomosis assembly 17, and the foreskin to be cut can be fixed between the first lower anastomat 18 and the second lower anastomat 22, so that the foreskin is ensured to be adjusted to the correct position before being cut, and the convenience and the controllability of the operation are increased. Furthermore, the lower anastomosis assembly 17 composed of the first lower anastomat 18 and the second lower anastomat 22 can be further matched with the upper anastomosis assembly 12 composed of the first upper anastomat 30, the second upper anastomat 32 and the elastic piece 38, so that the first annular opening 13 and the second annular opening 19 form a passage for the penis to pass through, the prepuce frenum in the operation can be visually seen, the length of the prepuce can be conveniently adjusted and cut or kept, the penis body can be prevented from being damaged, and the safety of the operation is improved.

In the present embodiment, the outer circumference of the first lower anastomat 18 may be designed to be a non-circular shape, such as an octagon, a hexagon, etc., and the inner circumference of the second lower anastomat 22 corresponds to the outer circumference of the first lower anastomat 18, and is also designed to be an octagon or a hexagon, so that when the second lower anastomat 22 is fixed on the outer circumference of the first lower anastomat 18, the two lower anastomats can be circumferentially fixed. It should be noted that any other shape that can achieve circumferential fixation between second lower stapler 22 and first lower stapler 18 can be applied to this case.

As shown in fig. 2 and 6, the first lower stapler 18 of the present application further has a first lower stapler body 39, a lower stapling unit 20, and a lower circular cutting unit 21. Wherein, the first lower anastomat body 39 is provided with a second annular opening 19 with the inner diameter less than or equal to that of the first annular opening 13. The lower anastomosis unit 20 comprises a plurality of seats 20 circumferentially arranged on the top outer ring of the second annular opening 19. The lower ring-cutting unit 21 includes a knife slot 21 circumferentially disposed on the top outer ring of the second annular opening 19 and located on the outer periphery of the nail seat 20.

Furthermore, the second lower stapler 22 of the present application further includes a first half ring 40, a second half ring 42, and a lower positioning unit 23. The first half ring 40 has a first end 401 and a second end 402, and the first end 401 is further provided with a first locking unit 41; the second half ring 42 has a third end 421 and a fourth end 422, wherein the third end 421 is further provided with a second locking unit 43; the lower positioning unit 23 includes a positioning protrusion 23 fixed on the first half ring 40 or the second half ring 42, and in this embodiment, the positioning protrusion 23 is disposed on the second half ring 42. As shown, the second end 402 of the first half ring 40 is hinged to the fourth end 422 of the second half ring 42, and the first locking unit 41 can cooperate with the second locking unit 43 to fixedly connect the first end 401 of the first half ring 40 to the third end 421 of the second half ring 42. Specifically, when the first locking unit 41 and the second locking unit 43 are unlocked, the second end 402 of the first half ring 40 and the fourth end 422 of the second half ring 42 can rotate relatively, when the first locking unit 41 and the second locking unit 43 are in a locked state, the first half ring 40 and the second half ring 42 form the second lower stapler 22 having the fourth annular opening 44, and the size of the formed fourth annular opening 44 matches with the outer peripheral shape of the first lower stapler 18, so that the second lower stapler 22 is fixedly sleeved on the outer periphery of the first lower stapler 18.

Please refer to fig. 2, fig. 7 and fig. 8, wherein fig. 7 and fig. 8 are schematic diagrams illustrating different embodiments of the clamping device of the present application. As shown in the figure, the clamping device 24 of the present invention has an upper clamping and positioning unit 25 and a lower clamping and positioning unit 26, wherein the upper clamping and positioning unit 25 is used for fixedly connecting the upper positioning unit 15 of the upper anastomosis assembly 12 to apply a clamping force to the upper anastomosis assembly 12, and the lower clamping and positioning unit 26 is used for fixedly connecting the lower positioning unit 23 of the second lower anastomat 22 in the lower anastomosis assembly 17 to apply a clamping force to the lower anastomosis assembly 17. Furthermore, the upper positioning unit 15 and the lower positioning unit 23 are respectively positioning bumps, and the upper clamping and positioning unit 25 and the lower clamping and positioning unit 26 are respectively positioning grooves in this embodiment.

In the present embodiment, when the upper positioning unit 15 is fixedly coupled to the upper clamping and positioning unit 25 of the clamping device 24, and the lower positioning unit 23 is also fixedly coupled to the lower clamping and positioning unit 26 of the clamping device 24, the upper anastomosis unit 14 of the upper anastomosis assembly 12 and the lower anastomosis unit 20 of the first lower anastomosis device 18 correspond to each other in position, and the upper ring cutting unit 16 of the upper anastomosis assembly 12 and the lower ring cutting unit 21 of the lower anastomosis assembly 17 correspond to each other in position, so that the clamping force applied to the upper anastomosis assembly 12 and the lower anastomosis assembly 17 by the clamping device 24 moves the upper anastomosis assembly 12 and the lower anastomosis assembly 17 towards each other, and the upper anastomosis unit 16 and the lower anastomosis unit 21 cooperate to perform a cutting operation on a foreskin, and the upper anastomosis unit 14 and the lower anastomosis unit 20 cooperate to perform an anastomosis operation on the foreskin.

Specifically, when the second lower stapler 22 is fixedly sleeved on the outer periphery of the first lower stapler 18, the upper positioning unit 15 is fixedly coupled to the upper clamping and positioning unit 25, and the lower positioning unit 23 is also fixedly coupled to the lower clamping and positioning unit 26, the positions of the staple paths 27 on the first upper stapler 29, the staple cartridges 36 on the second upper stapler 32, and the staple holders 20 on the first lower stapler 18 are correspondingly matched with each other one by one, so that the staple holders 20 provide a supporting force for the staples 37 pushed out from the staple cartridges 36 through the staple paths 27, and the legs of the staples 37 are riveted, thereby performing an anastomosis operation on the foreskin. In addition, the annular cutter 16 on the second upper anastomat 32 is correspondingly matched with the cutter groove 21 on the first lower anastomat 18, so that the cutter groove 21 provides a supporting force for the annular cutter 16, and the foreskin is cut.

With reference to fig. 2, fig. 7 and fig. 8, in addition to the above components, the clamping device 24 of the present application further includes a clamping body 45, a handle 46, a transmission assembly 47 and a clamping assembly 48, wherein the transmission assembly 47 is used for transmitting the clamping force applied by the handle 46 to the clamping assembly 48.

Specifically, the transmission assembly 47 mainly includes a pair of first links 49, a slider core shaft 50, and a pair of second links 51, which are symmetrically distributed, wherein each first link 49 is hinged on two sides of the slider core shaft 50, and each second link 51 is hinged on two sides of the top end of the slider core shaft 50.

The hand-held portion 46 is a pair of handles symmetrically distributed on two opposite sides of the clamping body 45, the top end of the hand-held portion is hinged on the clamping body 45, and the middle end of the hand-held portion is hinged with the first connecting rod 49 of the transmission component 47.

The clamping assembly 48 includes an upper clamping unit 481 and a lower clamping unit 482 which are matched with each other, wherein the upper clamping unit 481 includes an upper clamping and positioning unit 25 and an upper parallel moving part 483, and the lower clamping unit 482 includes a lower clamping and positioning unit 26 and a lower parallel moving part 484. The upper clamping and positioning unit 25 and the lower clamping and positioning unit 26 are respectively used for fixedly combining the upper positioning unit 15 of the upper anastomosis assembly 12 and the lower positioning unit 23 of the second lower anastomat 22, the upper parallel movable portion 483 and the lower parallel movable portion 484 are respectively hinged with one of the second connecting rods 51, and parallel sliding grooves 485 and 486 are respectively arranged in the upper parallel movable portion 483 and the lower parallel movable portion 484.

The holding body 45 is a hollow structure, and two opposite sides of the top end of the holding body are respectively provided with a slide block 487 (shown in fig. 2), and each slide block 487 is respectively matched with the slide grooves 485 and 486 in the upper parallel movable portion 483 and the lower parallel movable portion 484. By means of the above structural design, the upper clamping unit 481 and the lower clamping unit 482 of the clamping device 24 of the present application can only be clamped in parallel up and down, so that when the upper anastomosis component 12 and the lower anastomosis component 17 are clamped, the clamping force is always parallel to the axial direction thereof, and the force is uniformly and reliably applied.

When the circumcision instrument 1 of the present application is used to perform the circumcision, the first lower anastomat 18 is firstly sleeved on the penis by the second annular opening 19, the foreskin to be cut is everted and wrapped on the periphery of the first lower anastomat 18, and the length is adjusted to be suitable. Then, the second lower anastomat 22 with the first half ring 40 and the second half ring 42 in the unlocked state is sleeved on the periphery of the first lower anastomat 18, and the first locking unit 41 and the second locking unit 43 are locked, so that the first half ring 40 and the second half ring 42 are fixedly combined with each other to form the second lower anastomat 22 with the fourth annular opening 44 and fixedly sleeved on the periphery of the first lower anastomat 18, so that the foreskin to be cut is fixed between the first lower anastomat 18 and the second lower anastomat 22, and in this state, the second lower anastomat 22 and the first lower anastomat 18 are circumferentially fixed to form the lower anastomosis assembly 17. And in a preferred embodiment, the first locking unit 41 and the second locking unit 43 can be designed to have a sectional locking adjustment function (e.g. a two-stage adjustment function), the surgeon can first set the first locking unit 41 and the second locking unit 43 in a first-stage locking state to leave a fine gap between the second lower stapler 22 and the first lower stapler 18 for further adjustment operation of the surgeon on the foreskin to be cut, and after the adjustment is completed, set the first locking unit 41 and the second locking unit 43 in a second-stage locking state, that is, the first locking unit 41 and the second locking unit 43 are in a fully locked state to tightly fit the second lower stapler 22 and the first lower stapler 18 together. Next, the upper positioning unit 15 of the upper anastomosis assembly 12 is fixedly combined with the upper clamping positioning unit 25 of the clamping device 24 (it should be noted that, in practical applications, this step may be performed before the first lower anastomat 18 is placed on the penis). Then, the upper anastomosis member 12 is sleeved on the penis by the first annular opening 13, so that the first annular opening 13 and the first lower anastomosis device 18 are combined with each other to form a passage through which the penis can pass, and then the lower positioning unit 23 of the lower anastomosis member 17 is fixedly combined with the lower clamping positioning unit 26 of the clamping device 24, so that the positions of the nail channels 27 on the first upper anastomosis device 29, the positions of the nail bins 36 on the second upper anastomosis device 32 and the positions of the nail seats 20 on the first lower anastomosis device 18 are correspondingly matched one by one, and simultaneously, the annular cutter 16 on the second upper anastomosis device 32 is correspondingly matched with the position of the cutter slot 21 on the first lower anastomosis device 18. Then, a force is applied to the clamping device 24 to move the upper anastomosis component 12 and the lower anastomosis component 17 towards each other under the clamping force provided by the clamping device 24, so that the annular cutter 16 is matched with the knife slot 21 to cut the foreskin, and simultaneously, the staple cartridges 36 on the second upper anastomat 32 push out the staples 37 stored therein through the staple channels 27 on the first upper anastomat 29, so that the legs of the staples 37 are riveted by the supporting force provided by the staple holders 20 on the first lower anastomat 18 to perform an anastomosis operation on the foreskin.

The circumcision surgical instrument that this application provided mainly has following advantage:

1. the first annular opening and the second annular opening are combined with each other to form a passage through which a penis can pass, so that a prepuce frenum is visible visually in the operation, the length of the prepuce is convenient to adjust and cut or keep, the penis body is prevented from being damaged, and the safety of the operation is improved.

2. Can realize the purpose of one-off operation, and the patient need not to wear surgical instruments after the operation, can make things convenient for the nursing of postoperative and alleviate pain, still can reduce the risk of the complication of art, postoperative.

3. The first anastomosis unit, the second anastomosis unit, the first circular cutting unit, the second circular cutting unit and the clamping device are linked, so that the operation difficulty of the operation is reduced, and the aim of completing the operation by a single doctor can be fulfilled.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the embodiments of the present application, and are not limited thereto; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims (9)

1. A circumcision instrument, comprising:

an anastomosis device having:

an upper anastomosis assembly having a first annular opening, an upper anastomosis unit, an upper positioning unit and an upper ring cutting unit;

a lower anastomosis assembly having:

a first lower anastomat which is provided with a second annular opening, a lower anastomosis unit and a lower circular cutting unit; and

the second lower anastomat is used for being fixed on the periphery of the first lower anastomat so as to enable the second lower anastomat and the first lower anastomat to be fixed in the circumferential direction, and the second lower anastomat is also provided with a lower positioning unit; and

a clamping device for providing clamping force for the upper anastomosis component and the lower anastomosis component to move towards each other, and comprising:

the upper clamping and positioning unit is used for fixedly combining the upper positioning unit of the upper anastomosis component so as to apply clamping force to the upper anastomosis component; and

a lower clamping and positioning unit for fixedly combining a lower positioning unit of the second lower anastomat in the lower anastomosis assembly so as to apply clamping force to the lower anastomosis assembly; wherein the content of the first and second substances,

the second lower anastomat is used for being fixed on the periphery of the first lower anastomat, so that the foreskin to be cut is fixed between the first lower anastomat and the second lower anastomat, the second lower anastomat and the first lower anastomat are circumferentially fixed to form the lower anastomosis assembly, the upper anastomosis assembly and the lower anastomosis assembly are matched with each other so that the first annular opening and the second annular opening are combined with each other to form a passage through which a penis can pass, the upper positioning unit is used for fixedly combining the upper clamping and positioning unit, the lower positioning unit is used for fixedly combining the lower clamping and positioning unit, so that the positions of the upper anastomosis unit of the upper anastomosis assembly and the lower anastomosis unit of the first lower anastomat correspond to each other, and the positions of the upper circumcision unit of the upper anastomosis assembly and the lower circumcision unit of the lower anastomosis assembly correspond to each other, the clamping device is used for applying clamping force to the upper anastomosis assembly and the lower anastomosis assembly so as to enable the upper anastomosis assembly and the lower anastomosis assembly to move oppositely, enable the upper ring cutting unit and the lower ring cutting unit to be matched for cutting the foreskin, and enable the upper anastomosis unit and the lower anastomosis unit to be matched for performing anastomosis on the foreskin.

2. The circumcision aid according to claim 1, wherein the upper anastomosis unit includes a first upper anastomosis structure and a second upper anastomosis structure, and wherein,

the upper anastomosis assembly further includes:

a first upper stapler having:

the first upper anastomat body is provided with a first annular opening;

a plurality of guide posts disposed on the first upper stapler body and surrounding the first annular opening; and

the first upper anastomosis structure comprises a plurality of nail paths arranged on the outer ring of the bottom of the first annular opening; and

a second upper stapler having:

the second upper anastomat body is provided with a third annular opening with the inner diameter larger than that of the first annular opening;

a plurality of guide holes, which are arranged on the second upper anastomat body and surround the outer ring of the third annular opening, and are used for providing each guide pillar of the first upper anastomat to penetrate through the guide holes so that the second upper anastomat body can be arranged on the first upper anastomat body in a sliding fit manner;

the second upper anastomosis structure comprises a plurality of nail bins and a plurality of anastomosis nails, wherein the nail bins are circumferentially arranged on the outer ring of the top of the third annular opening, and the anastomosis nails are stored in the nail bins;

the upper ring cutting unit comprises a ring-shaped cutter axially arranged on the top outer ring of the third ring-shaped opening, wherein the length of the ring-shaped cutter is greater than that of the nail bin, and the inner diameter of the ring-shaped cutter is greater than the outer diameter of the bottom outer ring of the first ring-shaped opening; and

the upper positioning unit comprises a positioning lug arranged on the first upper anastomat body; and

the elastic pieces are respectively sleeved on the guide posts and used for providing elastic restoring force; when the guide posts penetrate through the guide holes, the nail channels on the first upper anastomat are matched with the nail boxes on the second upper anastomat in a one-to-one correspondence mode, so that the nail boxes push out the anastomotic nails stored in the nail channels; when the second upper anastomat moves towards the direction of the lower anastomosis component, the elastic parts can be driven to move towards the same direction, and the first upper anastomat is pushed by the elastic parts to move towards the direction of the lower anastomosis component at the same time.

3. The circumcision instrument as claimed in claim 2, wherein the lower anastomosis assembly further comprises:

the first lower stapler having:

the first lower anastomat body is provided with a second annular opening of which the inner diameter is smaller than or equal to that of the first annular opening;

the lower anastomosis unit comprises a plurality of nail seats which are circumferentially arranged on the top outer ring of the second annular opening; and

the lower circular cutting unit comprises a cutter groove which is circumferentially arranged on the top outer ring of the second annular opening and is positioned on the periphery of the nail seat; and

the second lower stapler having:

the first semi-ring is provided with a first end and a second end, and the first end is also provided with a first locking unit;

the second semi-ring is provided with a third tail end and a fourth tail end, wherein a second locking unit is further arranged on the third tail end; and

the lower positioning unit comprises a positioning lug fixedly arranged on one of the first half ring and the second half ring; wherein the content of the first and second substances,

the second end of the first half ring is hinged to the fourth end of the second half ring, and the first locking unit and the second locking unit are used for fixedly connecting the first end of the first half ring and the third end of the second half ring, so that the first half ring and the second half ring form the second lower anastomat with a fourth annular opening, and the second lower anastomat is fixedly sleeved on the periphery of the first lower anastomat.

4. The circumcision surgical instrument as claimed in claim 3, wherein when the second lower stapler is fixedly sleeved on the outer circumference of the first lower stapler, the upper positioning unit is fixedly combined to the upper clamping and positioning unit, and the lower positioning unit is fixedly combined to the lower clamping and positioning unit, the positions of the nail paths on the first upper stapler, the nail cartridges on the second upper stapler, and the nail seats on the first lower stapler are correspondingly matched one by one, so that the nail seats provide a supporting force to the staples pushed out by the nail cartridges through the nail paths and the nail feet of the staples are riveted by the nail seats, thereby performing an anastomosis operation on the foreskin, and the annular cutter on the second upper stapler is correspondingly matched with the position of the knife slot on the first lower stapler, so as to provide supporting force for the annular cutter by the cutter groove.

5. The circumcision instrument as claimed in claim 4, wherein the number of the staple cartridge, the staple channel, and the staple holder is between 6 and 20.

6. The circumcision aid according to claim 3, wherein the upper and lower gripping and positioning units on the gripping device are positioning grooves, respectively.

7. The circumcision instrument as claimed in claim 1, wherein the anastomosis device in the circumcision instrument is a single use device.

8. Circumcision instrument according to claim 1, wherein the anastomotic device is integral with the holding device.

9. A method of performing circumcision using the circumcision instrument as claimed in claims 3 to 8, characterized in that it comprises the steps of:

sleeving a first lower anastomat on the penis by virtue of the second annular opening, turning the foreskin to be cut on the penis outwards and wrapping the periphery of the first lower anastomat;

sleeving the second lower anastomat with the first half ring and the second half ring in an unlocked state on the periphery of the first lower anastomat, and locking the first locking unit and the second locking unit, so that the first half ring and the second half ring are fixedly combined with each other to form the second lower anastomat with the fourth annular opening and are fixedly sleeved on the periphery of the first lower anastomat, the foreskin is fixed between the first lower anastomat and the second lower anastomat, and the second lower anastomat and the first lower anastomat are circumferentially fixed to form the lower anastomosis assembly;

the upper anastomosis component is fixedly combined with the clamping device by the upper positioning unit and the upper clamping and positioning unit;

the upper anastomosis component is sleeved on the penis by the first annular opening, so that the first annular opening and the first lower anastomat are combined with each other to form a passage through which the penis can pass;

the lower anastomosis component is fixedly combined with the clamping device by the lower positioning unit and the lower clamping and positioning unit; and

and applying acting force to the clamping device to enable the upper anastomosis assembly and the lower anastomosis assembly to move oppositely under the action of the clamping force provided by the clamping device, so that the upper circumcision unit and the lower circumcision unit are matched to cut the foreskin, and the upper anastomosis unit and the lower anastomosis unit are matched to perform anastomosis on the foreskin.

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