Percussion response type prepuce cutting anastomat

Abstract

The utility model relates to the technical field of medical instruments, and discloses a percussion response type prepuce cutting anastomat which comprises an anastomat shell and a percussion handle with one end hinged to the anastomat shell, and further comprises a pushing seat which penetrates through the anastomat shell and is oppositely connected with a pushing block in the anastomat shell. The anastomat is characterized in that a fastener is arranged on the anastomat shell, the fastener can generate angular displacement in the circumferential direction of the anastomat, and one end, close to the pushing seat, of the fastener is a slope surface, so that when the pushing seat is driven by the percussion handle to generate linear displacement in the axial direction of the anastomat, the pushing seat is driven by the percussion handle to generate linear displacement in the axial direction of the anastomat. And the elastic component can interfere with the slope to drive the fastener to generate angular displacement. According to the prepuce cutting anastomat, the risk of misoperation of percussion of the handle can be avoided, whether the handle is percussed in place or not can be accurately judged, and the effect of reducing surgical risks is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially is involved in the firing response type prepuce cutting anastomat. BACKGROUND

[0002] The prepuce cutting anastomat is a kind of medical instrument, mainly used for prepuce circumcision operation.It has two main functional parts, one is cutting part, can accurately remove redundant prepuce;Two is anastomosis part, can use anastomosis nail to be fastened at the same time cutting prepuce, just like stapler, make the wound edge closely, reduce bleeding, and accelerate the operation speed, relative traditional manual prepuce circumcision, the operation process is more simple.

[0003] The prepuce cutting anastomat generally mainly consists of nail bin assembly, cutting knife assembly, anvil assembly, adjusting knob and firing handle etc..Nail bin assembly contains multiple anastomosis nails made of medical metal such as titanium alloy, for suture;Cutting knife is usually stainless steel material, sharpness is incomparable to ensure clean cutting prepuce.Anvil corresponds with nail bin, fixes prepuce tissue and disperses anastomosis nail pressure during operation.Adjusting knob can adjust cutting and anastomosis range, positioning device ensures accurate position.Cutting and anastomosis function can be triggered through firing handle.The operating principle is that prepuce is fixed on nail bin and anvil of anastomat during operation, triggers inside power transmission device to drive cutting knife to cut off redundant prepuce quickly, anastomosis nail in nail bin penetrates prepuce inner and outer plate tissue and is bent and deformed under the action of anvil to tightly nail, completes cutting and anastomosis synchronously, finally withdraws anastomat, and anastomosis nail fixes the wound edge, promotes healing, and falls off or is removed by doctor after a period of time.

[0004] Traditional prepuce cutting anastomat has defects: firing handle does not have locking device, doctor has the risk of misoperation when positioning and fixing prepuce tissue, based on the defects, Chinese patent CN201420558289.4 discloses disposable prepuce cutting anastomat, proposes the scheme that safety clip is sleeved on anastomat shell, makes safety clip interfere with firing handle, only when safety clip is removed, firing handle operation can be controlled, and the risk of misoperation is avoided.

[0005] But traditional prepuce cutting anastomat still has risks: when operating firing handle, operator can only judge whether firing is complete according to experience, feeling and observation, cannot accurately judge, and firing may not be in place, thereby leading to the need for secondary processing of operation. UTILITY MODEL CONTENT

[0006] The utility model aims at at least solving one of the technical problems existing in the prior art. For this reason, one purpose of the utility model lies in putting forward a firing response type prepuce cutting anastomat, which can not only avoid the risk of misoperation of the firing handle, but also accurately judge whether the handle is fired in place, and has the effect of reducing the operation risk.

[0007] The firing response type prepuce cutting anastomat which is provided by the utility model comprises an anastomat shell, a nail bin assembly, a cutting knife assembly and a nail abutment assembly, all of which are arranged in the anastomat shell; further comprises a firing handle which is hinged at one end to the anastomat shell; further comprises a pushing seat which penetrates through the anastomat shell and is connected to a pushing block in the anastomat shell in a reciprocal mode, the pushing block and the pushing seat can all adopt a conventional structure, the pushing seat is used to transmit the force of the firing handle to the pushing block, so that the pushing block is linearly displaced to fire the cutting knife and the anastomosis nails in the nail bin assembly; the pushing seat and the middle part of the firing handle are hinged through a connecting rod, the connecting rod is used to convert the angular displacement of the handle into the linear displacement of the pushing seat, and the conventional structure can also be adopted;

[0008] Different from the conventional prepuce cutting anastomat, the anastomat shell of the utility model is provided with a fastener, the fastener can produce angular displacement along the circumference of the anastomat, that is, the fastener is connected to the anastomat shell and can be rotated relative to the anastomat shell, one end of the fastener close to the pushing seat is a slope surface, so that when the firing handle drives the pushing seat to produce linear displacement along the axial direction of the anastomat, the slope surface can interfere with the pushing seat to drive the fastener to produce angular displacement, the angular displacement distance of the fastener can be obtained by setting a scale on the fastener, and then the pushing distance of the firing handle can be judged, so that whether the firing is complete can be known.

[0009] In some examples of the utility model, one end of the pushing seat corresponding to the slope surface is provided with a first pin member with an arc surface, a first elastic member is abutted between the first pin member and the pushing seat, so that the first pin member can produce a force pointing to the slope surface under the deformation action of the elastic member, and at least two arc grooves are formed on the slope surface along the extension direction of the slope surface and in the recess of the slope surface, which can accommodate the arc surface end of the first pin member;

[0010] The advantages of such a setting are that when the pushing seat interferes with the fastener to make the fastener rotate, the restoring deformation action of the first elastic member can drive the first pin member to fall into different arc grooves, so that a clicking sound is produced to prompt the advancing distance of the pushing seat, and the more the number of arc grooves is, the more accurate the prompt is.

[0011] In some examples of the utility model, a column groove is formed in the pushing seat, which can accommodate the first pin member and the first elastic member, and one end of the column groove extends to the slope surface;

[0012] The purpose of such a setting is to arrange the first pin member and the first elastic member in the column groove, so as to limit and protect them.

[0013] In some examples of the utility model, the first pin piece is provided with a waist-shaped groove, the waist-shaped groove extends along the axial direction of the first pin piece, and the first pin piece is connected with the pusher seat through a second pin piece which is connected to the pusher seat and penetrates the waist-shaped groove;

[0014] The purpose of such arrangement is to prevent the first pin piece and the first elastic piece from being separated from the pusher seat, while ensuring that the first pin piece has a certain displacement space.

[0015] In some examples of the utility model, a third pin piece is connected to the anastomat shell, and the third pin piece can be linearly displaced along the axial direction of the anastomat so that the end thereof is placed in one of the arc-shaped grooves;

[0016] The purpose of such arrangement is to fix the position of the fastener through the action of the third pin piece before the firing handle is operated, and the position of the fastener closest to the pusher seat on the slope surface forms a blocking action on the pusher seat, thereby avoiding the misoperation of the firing handle; when the firing handle needs to be operated, the third pin piece can be controlled to be separated from the arc-shaped groove.

[0017] In some examples of the utility model, a push button is connected to the end of the third pin piece away from the slope surface, and the push button is connected with the anastomat shell through a tooth;

[0018] The purpose of such arrangement is that the push button can be controlled to insert or separate from the arc-shaped groove to operate the third pin piece, and the tooth connection can relatively fix the position of the push button to lock the fastener.

[0019] In some examples of the utility model, the fastener is an arc-shaped piece which is attached to the anastomat shell, the anastomat shell is provided with a guide strip along the circumferential direction thereof, and the fastener is provided with a guide groove corresponding to the guide strip, in which the guide strip is placed;

[0020] The purpose of such arrangement is that the guide strip and the guide groove can limit each other to prevent the fastener from being separated from the anastomat shell, and the guide strip and the guide groove are used to guide the angular displacement operation of the fastener.

[0021] In some examples of the utility model, a stopper is formed at the end of the guide strip on the anastomat shell, and a second elastic piece is arranged between the fastener and the stopper;

[0022] The purpose of such arrangement is that the stopper is used to limit the angular displacement of the fastener, and the second elastic piece is used to assist the angular displacement of the fastener, so that the fastener can smoothly produce angular displacement.

[0023] Additional aspects and advantages of the utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0025] Figure 1 It is a front view of the foreskin cutting anastomat in the embodiment of the present application.

[0026] Figure 2 It is a perspective view of the fastener in the embodiment of the present application.

[0027] Figure 3 It is a perspective view of the fastener in the embodiment of the present application. Figure 1 It is a sectional view at A-A.

[0028] Figure 4 It is a perspective view of the cylindrical shell in the embodiment of the present application.

[0029] Figure 5 It is a perspective view of the cylindrical shell in the embodiment of the present application. Figure 2 It is a sectional view at B-B.

[0030] Explanation of reference signs:

[0031] Anastomat shell 1, seat shell 11, cylindrical shell 12, groove 121, wire groove 122, tooth 123, guide strip 124, stop 125;

[0032] Firing handle 2;

[0033] Pushing seat 3, column groove 31, second pin 32;

[0034] Connecting rod 4;

[0035] Fastener 5, slope surface 51, arc surface groove 52, guide groove 53, cylindrical groove 54;

[0036] First pin 6, waist-shaped groove 61;

[0037] First elastic member 7;

[0038] Third pin 8;

[0039] Push button 9;

[0040] Second elastic member 10. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0042] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the features limited as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0043] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0044] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0045] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application. Figures 1-5 The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0046] Specifically, please refer to the drawings Figure 1The figure shows a front view of a circumcision stapler, which includes a stapler housing 1. The housing includes a cylindrical base 11 and a cylindrical shell 12 that are fixedly connected to each other. The diameter of the base 11 is larger than that of the cylindrical shell 12. The base 11 is used to house the staple cartridge assembly, the cutting blade assembly, and the anvil assembly (the staple cartridge assembly, the cutting blade assembly, and the anvil assembly are not shown in the figure). The cylindrical shell 12 is used to house the transmission structure (the transmission structure is also not shown in the figure). In this embodiment, the staple cartridge assembly, the cutting blade assembly, the anvil assembly, the transmission structure, etc. all use the traditional structure, which will not be described in detail here.

[0047] Please continue reading the appendix. Figure 1 The circumcision stapler also includes a firing handle 2 with one end hinged to the stapler housing 1, and a pusher seat 3 that penetrates the stapler housing 1 and is connected to a pusher block (not shown in the figure) inside the stapler housing 1. The pusher seat 3 slides through the cylindrical shell 12. The cylindrical shell 12 has a groove 121 that also facilitates the pusher seat 3 to act on the pusher block inside the cylindrical shell 12 when it moves relative to the cylindrical shell 12, thereby causing the pusher block to fire the cutting blade and the staples (the cutting blade and the staples are not shown in the figure, and the specific firing structure and firing principle follow the traditional structure, which will not be described in detail here).

[0048] Please continue reading the appendix. Figure 1 The push base 3 and the middle part of the firing handle 2 are hinged by a connecting rod 4. Even when the firing handle 2 is closed, the push base 3 can be linearly displaced through the transmission of the connecting rod 4.

[0049] Please continue reading the appendix. Figure 1 The stapler housing 1 is equipped with fasteners 5, as shown in the attached figure. Figure 2 The figure shows a three-dimensional view of fastener 5. Fastener 5 has a curved surface structure, and its curved surface is along the outer wall of the cylindrical shell 12. It is connected to the cylindrical shell 12 and can generate angular displacement along the circumference of the stapler, that is, angular displacement along the circumference of the cylindrical shell 12. The end of fastener 5 near the push seat 3 is a slope 51. When the firing handle 2 drives the push seat 3 to generate linear displacement along the axial direction of the stapler, it can interfere with the slope 51 and drive the fastener 5 to generate angular displacement.

[0050] Please see the appendix Figure 1 and attached Figure 3 , attached Figure 3 For the appendix Figure 1In the sectional view at A-A, the end of the pusher 3 corresponding to the slope surface 51 is provided with a first pin member 6 with an arc-shaped end face, the first pin member 6 is a cylindrical pin, and a first elastic member 7 is arranged between the first pin member 6 and the pusher 3, the first elastic member 7 is a cylindrical spring, the first pin member 6 can generate a force directed to the slope surface 51 under the deformation of the elastic member, two arc-shaped grooves 52 are formed on the slope surface 51 along the extension direction of the slope surface 51 and in the recess of the slope surface 51, one of the arc-shaped grooves 52 corresponds to the pusher 3 in the initial position and is an initial groove, and the other arc-shaped groove 52 is located in the middle of the slope surface 51 and is a terminal groove, when the first pin member 6 corresponds to the initial groove, the pusher 3 has not been cocked by the handle, and when the first pin member 6 corresponds to the terminal groove, the pusher 3 has been cocked by the handle.

[0051] Please continue to refer to the accompanying drawings Figure 3 A cylindrical slot 31 is formed in the pusher 3 to accommodate the first pin member 6 and the first elastic member 7, and one end of the cylindrical slot 31 extends to the opening of the slope surface 51.

[0052] Please continue to refer to the accompanying drawings Figure 3 A waist-shaped slot 61 is formed in the first pin member 6 and extends along the axial direction of the first pin member 6, and the first pin member 6 is connected to the pusher 3 through a second pin member 32 which penetrates the waist-shaped slot 61.

[0053] Please continue to refer to the accompanying drawings Figure 1 The anastomat shell 1 is connected to a third pin member 8, the third pin member 8 can generate linear displacement along the axial direction of the anastomat to make the end of the third pin member 8 enter the terminal groove, so that the position of the fastener 5 is fixed, and the trigger handle 2 is locked to prevent the handle from being operated by mistake.

[0054] Please continue to refer to the accompanying drawings Figure 1 The end of the third pin member 8 away from the slope surface 51 is connected to a push button 9, and the push button 9 is connected to the anastomat shell 1 through the teeth 123;

[0055] Specifically, please refer to the accompanying drawings Figure 1 and Figure 4 The accompanying drawing Figure 4 is a perspective view of the barrel shell 12, a linear slot 122 is formed in the barrel shell 12, one end of the linear slot 122 extends to the end face of the barrel shell 12, the push button 9 is connected to the slot wall of the linear slot 122 in a sliding manner, and the position corresponding to the push button 9 and the slot wall of the linear slot 122 and the slot wall of the linear slot 122 are all provided with the teeth 123 (the teeth on the push button 9 are not shown in the drawing, and the teeth on the push button 9 are provided on the elastic arm which is integrally formed with the push button 9, and the elastic arm can push the push button 9 through the elastic action), so that the third pin member 8 can be manually pushed into the terminal groove by manually pushing the push button 9, and the state of the fastener 5 can be unlocked by manually pushing the push button 9, and the teeth 123 can lock the position of the push button 9 without external force.

[0056] Please refer to the attached Figure 2 and the attached Figure 4 ~ attached Figure 5 , attached Figure 5 for the attached Figure 2 In the sectional view at B-B, the buckle 5 is an arc-shaped member which is attached to the anastomat housing 1, and the barrel 12 is formed with guide strips 124 along the circumference thereof, and the buckle 5 is formed with guide grooves 53 corresponding to the guide strips 124, wherein the guide strips 124 and the guide grooves 53 are both two.

[0057] Please continue to refer to the attached Figure 1 and the attached Figure 4 ~ attached Figure 5 The barrel 12 is formed with a stop 125 at the end of the guide strips 124, which is used to limit the displacement of the buckle 5, and a second elastic member 10 is arranged between the buckle 5 and the stop 125, specifically, the second elastic member 10 is a cylindrical spring which is arranged in a cylindrical groove 54 formed in the buckle 5, and one end of the cylindrical groove 54 extends to the end face of the buckle 5, so that the other end of the cylindrical spring can extend out of the cylindrical groove 54 and abut against the stop 125, when the first pin member 6 corresponds to the initial groove, the second elastic member 10 is in a compressed state, and when the buckle 5 is about to produce angular displacement, the elastic deformation of the second elastic member 10 pushes the buckle 5 to assist the buckle 5 to produce angular displacement.

[0058] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the exemplary description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0059] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A firing response type prepuce cutting anastomat comprising an anastomat housing and a firing handle hingedly connected to one end of the anastomat housing, further comprising a pusher seat connected to a push block in the anastomat housing through the anastomat housing, the pusher seat and the middle part of the firing handle being hingedly connected through a connecting rod, characterized in that, The anastomat shell is provided with a fastener which can be angularly displaced along the circumference of the anastomat, and one end of the fastener close to the pusher seat is a slope surface, so that when the firing handle drives the pusher seat to linearly displace along the axial direction of the anastomat, the slope surface can interfere with the fastener to drive the fastener to angularly displace.

2. The fire responsive prepuce cutting anastomat according to claim 1, characterized in that, One end of the pusher seat corresponding to the slope surface is provided with a first pin member with an arc-shaped end surface, and a first elastic member is in abutment between the first pin member and the pusher seat, so that the first pin member can generate a force directed to the slope surface under the deformation of the elastic member, and at least two arc-shaped grooves in which the arc-shaped end of the first pin member can be placed are formed along the extension direction of the slope surface and in the recess of the slope surface.

3. The fire responsive prepuce cutting anastomat according to claim 2, characterized in that, A columnar groove in which the first pin member and the first elastic member can be placed is formed on the pusher seat, and one end of the columnar groove extends to the slope surface.

4. The fire responsive prepuce cutting anastomat according to claim 3, characterized in that, A waist-shaped groove is formed on the first pin member and extends along the axial direction of the first pin member, and the first pin member and the pusher seat are connected through a second pin member connected to the pusher seat and penetrating the waist-shaped groove.

5. The fire responsive prepuce circumcision anastomat according to any one of claims 2 to 4, characterized in that, A third pin member is connected to the anastomat shell, and the third pin member can linearly displace along the axial direction of the anastomat to place its end in one of the arc-shaped grooves.

6. The fire responsive prepuce circumcision anastomat according to claim 5, characterized in that, One end of the third pin member away from the slope surface is connected to a push button, and the push button and the anastomat shell are connected through teeth.

7. The firing response circumcision stapler according to any one of claims 2 to 4, wherein The fastener is an arc-shaped member attached to the anastomat shell, and a guide strip is formed on the anastomat shell along its circumference, and a guide groove in which the guide strip can be placed is formed on the fastener corresponding to the guide strip.

8. The fire responsive prepuce circumcision anastomat according to claim 7, characterized in that, A stopper is formed on the anastomat shell at the end of the guide strip, and a second elastic member is arranged between the fastener and the stopper.

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