Surgical instrument

Abstract

The utility model relates to the technical field of medical instruments, in particular to a surgical instrument. The surgical instrument provided by the utility model comprises an operating part and a consumable part, the operation part is provided with a first connecting piece, the consumable part is provided with a second connecting piece, and the first connecting piece and the second connecting piece are detachably connected through a connecting structure; the consumable part is used for being in contact with a human body in an operation, the operation part is used for being controlled by an operator, and the operator can control the consumable part to perform the operation through the operation part. The whole surgical instrument is divided into the operating part and the consumable part, before use, the first connecting piece and the second connecting piece are manually connected through the connecting structure, the operating part can be recycled and reused after use, the whole surgical instrument does not need to be used as a consumable, only the consumable part in the surgical instrument is consumed as the consumable, and the surgical instrument is convenient to use. The cost of surgical instruments is reduced, and the cost of patients and medical systems is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially is related to a surgical instrument. BACKGROUND

[0002] In the current endoscope minimally invasive surgery process, according to different surgical categories, doctors need to manually operate different medical instruments to perform surgery, and medical instruments are all disposable consumables, and the cost is higher, how to reduce the cost of equipment, reduce the cost for patients and medical system, it is the technical problem to be solved urgently at present. CONTENT OF UTILITY MODEL

[0003] The utility model aims at providing a surgical instrument to solve the technical problem of high cost of current disposable surgical instrument, which brings burden to patients and medical system.

[0004] In a first aspect, the utility model provides a surgical instrument, along the proximal end to the distal end of the surgical instrument, the surgical instrument includes: operating part and consumable part;

[0005] The operating part is provided with a first connecting piece at one end close to the consumable part, the consumable part is provided with a second connecting piece at one end close to the operating part, and the first connecting piece and the second connecting piece are detachably connected through a connecting structure.

[0006] The consumable part is used for contacting the human body in surgery, the operating part is used for being controlled by an operator, and the operator can control the consumable part to perform surgery through the operating part.

[0007] In an optional implementation, the first connecting piece and the second connecting piece are both pipe bodies, and the first connecting piece is sleeved on the operating part, and the second connecting piece is sleeved on the consumable part.

[0008] In an optional implementation, the connecting structure includes a limiting pin and a limiting slot respectively arranged on the first connecting piece and the second connecting piece.

[0009] The limiting pin includes a pin body and a pin head, and along the circumference of the pipe body, the pin head protrudes from the pin body.

[0010] The limiting slot includes a first slot body and a second slot body, and along the circumference of the pipe body, the width of the second slot body is greater than that of the first slot body.

[0011] The pin body is matched with the first slot body and located in the first slot body, and the pin head is matched with the second slot body and located in the second slot body.

[0012] In an optional implementation, the pin head protrudes from both sides of the pin body.

[0013] In an optional embodiment, the pin head protrudes from a portion of the pin body in an arc shape.

[0014] In an optional embodiment, the pin head protrudes from one side of the pin body.

[0015] In an optional embodiment, the connecting structure comprises a buckle and a clamping groove respectively arranged on the first connecting member and the second connecting member.

[0016] The buckle and the clamping groove are matched and clamped with each other.

[0017] In an optional embodiment, the connecting structure comprises a first screw thread arranged on the first connecting member and a second screw thread arranged on the second connecting member.

[0018] The first screw thread and the second screw thread are matched and screwed with each other.

[0019] In an optional embodiment, a plurality of connecting structures are arranged along the circumferential direction of the first connecting member and the second connecting member.

[0020] In an optional embodiment, the surgical instrument is a ligature, a snare, a stone basket or a hemostatic clip.

[0021] Compared with the prior art, the surgical instrument provided by the utility model has the following technical advantages:

[0022] The surgical instrument comprises an operation part and a consumable part, a first connecting member is arranged at one end of the operation part close to the consumable part, a second connecting member is arranged at one end of the consumable part close to the operation part, the first connecting member and the second connecting member are detachably connected through a connecting structure, the consumable part is used for contacting the human body during surgery, the operation part is used for being controlled by an operator, and the operator can control the consumable part to perform surgery through the operation part.

[0023] The surgical instrument is divided into two parts of the operation part and the consumable part, the first connecting member is arranged at one end of the operation part close to the consumable part, the second connecting member is arranged at one end of the consumable part close to the operation part, the first connecting member and the second connecting member are manually connected through the connecting structure before use, the operator controls the consumable part to perform surgery through the operation part, and after use, the first connecting member and the second connecting member are only detached through the connecting structure, so that the operation part can be recycled and reused, the entire surgical instrument is not used as consumables, only the consumable part in the surgical instrument is used as consumables, the cost of the surgical instrument is reduced, and the cost of patients and the medical system is reduced.

[0024] Other features and advantages of the utility model will be described in detail in the following specific embodiment part. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0026] Figure 1 The schematic view when the pipe body is provided with the limiting pin and the limiting groove and is connected with each other is provided for the embodiments of the present application.

[0027] Figure 2 The schematic view when the pipe body is provided with the limiting pin and the limiting groove and is separated from each other is provided for the embodiments of the present application.

[0028] Icon: 1-pipe body; 2-limiting pin; 3-limiting groove; 4-pin body; 5-pin head; 6-first groove body; 7-second groove body. DETAILED DESCRIPTION

[0029] The technical solutions of the present application will be described clearly and completely below in combination with embodiments. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0030] In the description of the present application, it should be noted that the orientations or position relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are based on the orientations or position 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 indicated 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 terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0031] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or 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.

[0032] In addition, the technical solutions among various embodiments can be combined with each other, but the combination of the technical solutions should be based on the realization of the ordinary skilled in the art, and when the combination of the technical solutions is contradictory or unachievable, it should be considered that the combination of the technical solutions does not exist and is not within the protection scope required by the utility model.

[0033] The utility model will be described in further detail below through specific embodiments and in combination with the drawings.

[0034] The specific structure is shown as Figure 1 and Figure 2 .

[0035] The embodiment provides a surgical instrument, along the proximal end to the distal end of the surgical instrument, the surgical instrument comprises: an operating part and a consumable part; the operating part is provided with a first connecting piece at one end close to the consumable part, the consumable part is provided with a second connecting piece at one end close to the operating part, and the first connecting piece and the second connecting piece are detachably connected through a connecting structure; the consumable part is used for contacting the human body in surgery, and the operating part is used for being controlled by an operator, and the operator can control the consumable part to perform surgery through the operating part.

[0036] In the embodiment, the surgical instrument is divided into two parts of the operating part and the consumable part, the first connecting piece is arranged at one end of the operating part close to the consumable part, the second connecting piece is arranged at one end of the consumable part close to the operating part, before use, the first connecting piece and the second connecting piece are manually connected through the connecting structure, the operator controls the consumable part to perform surgery through the operating part, and after use, the first connecting piece and the second connecting piece are only detached through the connecting structure, so that the operating part can be recycled and reused, the entire surgical instrument is not used as consumables, only the consumable part in the surgical instrument is used as consumables, the cost of the surgical instrument is reduced, and the cost of patients and a medical system is reduced.

[0037] In the optional technical solution of the embodiment, the first connecting piece and the second connecting piece are both pipe bodies 1, the first connecting piece is sleeved on the operating part, and the second connecting piece is sleeved on the consumable part. The pipe body 1 is convenient to connect with the operating part and the consumable part, and the structure is simple.

[0038] It should be noted that the connection of the pipe body 1 with the operating part and the consumable part is fixed connection.

[0039] In the optional technical solution of the embodiment, the connecting structure comprises limiting pins 2 and limiting grooves 3 arranged on the first connecting piece and the second connecting piece respectively; the limiting pin 2 comprises a pin body 4 and a pin head 5, and the pin head 5 protrudes from the pin body 4 along the circumference of the pipe body 1; the limiting groove 3 comprises a first groove body 6 and a second groove body 7, and the width of the second groove body 7 is greater than that of the first groove body 6 along the circumference of the pipe body 1; the pin body 4 is matched with the first groove body 6 and located in the first groove body 6, and the pin head 5 is matched with the second groove body 7 and located in the second groove body 7.

[0040] In the embodiment, the first connecting piece can be provided with a limiting pin 2 at one end facing the second connecting piece, and the second connecting piece can be provided with a limiting groove 3 at one end facing the first connecting piece; or the first connecting piece can be provided with a limiting groove 3 at one end facing the second connecting piece, and the second connecting piece can be provided with a limiting pin 2 at one end facing the first connecting piece.

[0041] The limiting groove 3 penetrates the inner and outer sidewalls of the pipe body 1. When connected, the limiting pin 2 is aligned with the limiting groove 3 in the radial direction, and then the limiting pin 2 is placed in the limiting groove 3 in the radial direction. At this time, the pin body 4 is located in the first groove body 6, and the pin head 5 is located in the second groove body 7. The cooperation between the pin head 5 and the second groove body 7 can limit the relative axial movement of the first connecting piece and the second connecting piece, realize the connection, and finally an outer pipe is sleeved outside the first connecting piece and the second connecting piece. The outer pipe can ensure the stability of the connection between the first connecting piece and the second connecting piece, and avoid the relative radial movement of the limiting pin 2 and the limiting groove 3. At the same time, the opposite ends of the first connecting piece and the second connecting piece can abut after connection, so that the first connecting piece and the second connecting piece form an integral whole, which is good in integrity.

[0042] In the optional technical solution of the embodiment, the pin head 5 protrudes from both sides of the pin body 4. That is, the limiting pin 2 is T-shaped. At this time, the limiting groove 3 is also T-shaped. The part protruding from both sides of the pin body 4 of the pin head 5 can be limited by cooperating with the second groove body 7, so that the axial movement is more stable.

[0043] In the optional technical solution of the embodiment, the part protruding from the pin body 4 of the pin head 5 is arc-shaped. Since the shape of the second groove body 7 matches the pin head 5, the arc-shaped part protruding from both sides of the pin body 4 of the pin head 5 can avoid jamming when placed in the second groove body 7, facilitating installation.

[0044] However, the embodiment is not limited to this. The part protruding from the pin body 4 of the pin head 5 can also be polygonal, which also has a limiting effect when cooperating with the second groove body 7.

[0045] In the optional technical solution of the embodiment, the pin head 5 protrudes from one side of the pin body 4. That is, the limiting pin 2 is L-shaped. At this time, the limiting groove 3 is also L-shaped. The part protruding from one side of the pin body 4 of the pin head 5 can be limited by cooperating with the second groove body 7, so that the axial movement is stable and the structure is simple.

[0046] In the embodiment, the part protruding from one side of the pin body 4 of the pin head 5 can be arc-shaped, which can avoid jamming when placed in the second groove body 7, facilitating installation.

[0047] However, the embodiment is not limited to this. The part protruding from one side of the pin body 4 of the pin head 5 can also be polygonal, which also has a limiting effect when cooperating with the second groove body 7.

[0048] In an optional technical solution of the embodiment, the connecting structure comprises a buckle and a clamping groove arranged on the first connecting piece and the second connecting piece respectively; the buckle and the clamping groove are matched and clamped with each other.

[0049] In the embodiment, the first connecting piece can be provided with the buckle at one end thereof facing the second connecting piece, and the second connecting piece can be provided with the clamping groove at one end thereof facing the first connecting piece; or the first connecting piece can be provided with the clamping groove at one end thereof facing the second connecting piece, and the second connecting piece can be provided with the buckle at one end thereof facing the first connecting piece. The buckle and the clamping groove are matched and clamped with each other, and are convenient to install and disassemble, wherein the buckle and the clamping groove are existing structures, and details are not described herein.

[0050] In an optional technical solution of the embodiment, the connecting structure comprises a first screw thread arranged on the first connecting piece and a second screw thread arranged on the second connecting piece; the first screw thread and the second screw thread are matched and screwed with each other.

[0051] In the embodiment, the first connecting piece can be provided with the first screw thread on an outer side wall at one end thereof facing the second connecting piece, and the second connecting piece can be provided with the second screw thread on an inner side wall at one end thereof facing the first connecting piece; or the first connecting piece can be provided with the first screw thread on an inner side wall at one end thereof facing the second connecting piece, and the second connecting piece can be provided with the second screw thread on an outer side wall at one end thereof facing the first connecting piece. The first screw thread and the second screw thread are screwed with each other, and are convenient to install and disassemble, wherein the screw thread is an existing structure, and details are not described herein.

[0052] In an optional technical solution of the embodiment, the connecting structure is provided with a plurality of connecting structures along the circumferential direction of the first connecting piece and the second connecting piece.

[0053] Specifically, when the connecting structure is the limiting pin 2 and the limiting groove 3, and the connecting structure is the buckle and the clamping groove, the connecting structure can be provided with a plurality of connecting structures along the circumferential direction of the first connecting piece and the second connecting piece, so as to improve the stability of the connection.

[0054] It should be noted that, after the first connecting piece and the second connecting piece are connected through the connecting structure, linkage interlocking is formed, and the first connecting piece and the second connecting piece can be synchronously rotated and moved forward and backward after interlocking.

[0055] In an optional technical solution of the embodiment, the surgical instrument is a ligature, a snare, a stone basket or a hemostat.

[0056] Specifically, the snare is taken as an example to illustrate that the operation part of the snare comprises a first inner tube, a hook rod and an outer tube, the distal end of the first inner tube is sleeved with a first connecting piece, and the hook rod is inserted into the first inner tube; the consumable part of the snare comprises a second inner tube, a sleeve ring, a pull wire and a limiting sleeve, the proximal end of the second inner tube is sleeved with a second connecting piece, the sleeve ring is connected to the second inner tube and located at the distal end of the second inner tube, the two ends of the pull wire are connected, and a part of the pull wire is detachably connected to the sleeve ring, the other part of the pull wire is folded and sequentially passes through the limiting sleeve, the second inner tube and the second connecting piece, wherein the outer diameter of the limiting sleeve is smaller than the inner diameter of the second inner tube, so as to avoid entering the distal end of the second inner tube. In use, the pull wire extending out of the second connecting piece is hung on the hook of the hook rod, then the first connecting piece and the second connecting piece are connected through the connecting structure, and the outer tube is sleeved outside the first connecting piece and the second connecting piece, and the operator can operate the hook rod to pull the pull wire during surgery, so that the pull wire is separated from the sleeve ring to realize the function of the snare.

[0057] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A surgical instrument, characterized by From proximal end to distal end of the surgical instrument, the surgical instrument comprises an operation part and a consumable part; The operation part is provided with a first connecting piece at one end close to the consumable part, and the consumable part is provided with a second connecting piece at one end close to the operation part, and the first connecting piece and the second connecting piece are detachably connected through a connecting structure; The consumable part is used for contacting human body in surgery, and the operation part is used for being controlled by an operator, and the operator can control the consumable part to perform surgery through the operation part.

2. The surgical instrument of claim 1, wherein, The first connecting piece and the second connecting piece are both pipe bodies (1), and the first connecting piece is sleeved on the operation part, and the second connecting piece is sleeved on the consumable part.

3. The surgical instrument of claim 2, wherein, The connecting structure comprises limiting pins (2) and limiting grooves (3) provided on the first connecting piece and the second connecting piece respectively; The limiting pin (2) comprises a pin body (4) and a pin head (5), and along the circumference of the pipe body (1), the pin head (5) protrudes from the pin body (4); The limiting groove (3) comprises a first groove body (6) and a second groove body (7), and along the circumference of the pipe body (1), the width of the second groove body (7) is greater than the width of the first groove body (6); The pin body (4) is matched with the first groove body (6) and located in the first groove body (6), and the pin head (5) is matched with the second groove body (7) and located in the second groove body (7).

4. The surgical instrument of claim 3, wherein, The pin head (5) protrudes from both sides of the pin body (4).

5. The surgical instrument of claim 4, wherein, The part of the pin head (5) protruding from the pin body (4) is arc-shaped.

6. The surgical instrument of claim 3, wherein, The pin head (5) protrudes from one side of the pin body (4).

7. The surgical instrument of claim 2, wherein, The connecting structure comprises buckles and clamping grooves provided on the first connecting piece and the second connecting piece respectively; The buckle and the clamping groove are matched and clamped with each other.

8. The surgical instrument of claim 2, wherein, The connecting structure comprises a first thread provided on the first connecting piece and a second thread provided on the second connecting piece; The first thread and the second thread are matched and screwed with each other.

9. A surgical instrument according to any one of claims 2 to 7, wherein, Along the circumference of the first connecting piece and the second connecting piece, the connecting structure is provided with a plurality of.

10. The surgical instrument of claim 1, wherein, The surgical instrument is a ligator, a snare, a stone basket or a hemostat.

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