CN210541725U

CN210541725U - Angle-adjustable surgical instrument for laparoscope

Info

Publication number: CN210541725U
Application number: CN201920243418.3U
Authority: CN
Inventors: 姚俊; 谢卫芳; 杨吉
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-02-26
Filing date: 2019-02-26
Publication date: 2020-05-19
Anticipated expiration: 2029-02-26

Abstract

The utility model relates to a surgical instruments for peritoneoscope of angularly adjustable, include the body of being connected with the binding clip, the binding clip passes through flexion and this body coupling, and the flexion includes crooked body, and crooked body passes through the steel wire to be connected with the regulation portion to thereby the body is based on the length that the regulation portion changed the steel wire so that crooked body is in the mode and is connected with the binding clip that the contained angle size between binding clip and the body can be changed to the crooked state. Make the angle that the binding clip was adjusted to the flexion shape change through regulating part for surgical instruments is more convenient when using, can bring the help of to a great extent for medical personnel, makes the success rate of operation increase.

Description

Angle-adjustable surgical instrument for laparoscope

Technical Field

The utility model relates to an abdominal cavity surgical instruments technical field especially relates to an angularly adjustable's laparoscopic surgery instrument.

Background

Minimally invasive surgery is the leading development direction of medical science and technology, and traditional open surgery has been gradually replaced by minimally invasive surgery represented by laparoscopic surgery. After more than twenty years of development, the laparoscopic minimally invasive surgery technology is mature day by day, and the laparoscopic minimally invasive surgery technology has wide application and satisfactory effect in clinic due to the characteristics of small surgical wound, light postoperative pain, short hospitalization time, good beautifying effect and the like. Conventional laparoscopic surgery is performed through a plurality of (3-5) minute (5-12mm) incisions, and with the abundance of clinical experience and the progress of engineering techniques, the concept of single port laparoscopic surgery has been recently introduced. Compared with the porous laparoscopic surgery, the single-hole surgery can be completed through only one incision, and has the unique advantages that: the wound is further reduced, no scar is left after operation, the patient recovers quickly and the infection rate is low.

For example, chinese patent publication No. CN203873832U discloses a head-replaceable pleuroperitoneal endoscope surgical instrument, which comprises a handle and a tool bit, wherein the top end of the handle is screwed with the tool bit, the tool bit comprises a jaw, a tool bit outer rod and a tool bit inner rod, the top end of the tool bit outer rod is provided with the jaw, and the tool bit inner rod is arranged inside the tool bit outer rod; the handle comprises an outer handle rod, an inner handle rod, a rod knob and a grab handle, wherein the inner handle rod is arranged inside the front end of the outer handle rod, the rod knob is arranged at the rear end of the outer handle rod, and the grab handle is arranged at the rear end of the rod knob. It can reduce the change frequency of handle of a knife when guaranteeing or even extension tool bit life through the dismantlement and the replacement of tool bit to reach save material, practice thrift hospital's spending, alleviate the effect of patient's burden.

But the direction of this surgical instruments's tool bit can not be adjusted, if the direction of tool bit can not be adjusted during the operation, medical personnel just need whole rotation surgical instruments just can change the direction of tool bit, and unusual inconvenient has very big influence to the operation.

A one-way bearing is one that is free to rotate in one direction and locks in the other direction. The one-way bearing is also called as an overrunning clutch, and is named according to different industries and different functions. The metal shell of the one-way bearing contains a plurality of rollers, needles or balls, and the rolling seat (cavity) is shaped to roll only in one direction, but generate great resistance in the other direction (so-called 'one-way').

SUMMERY OF THE UTILITY MODEL

To the deficiency of the prior art, the utility model provides an angularly adjustable surgical instruments for peritoneoscope, include the body of being connected with the binding clip, the binding clip pass through the flexion with this body coupling, wherein, the flexion includes crooked body, crooked body passes through the steel wire and is connected with the regulating part, thereby the body is based on the regulating part changes the length of steel wire is so that crooked body is in bending state can change thereby the binding clip with the mode of contained angle size between the body with the binding clip is connected.

According to a preferred embodiment, the bending portion is connected with the first adjusting portion through a first steel wire, and a fixing block is arranged at one end of the bending body connected with the binding clip, so that the first adjusting portion is fixedly connected with the fixing block by changing the length of the first steel wire.

According to a preferred embodiment, a first channel is arranged in the bending body, the first steel wire can pass through the first channel, the bending body is made of food-grade medical silica gel materials, and the bending body is a cylinder with a circular cross section.

According to a preferred embodiment, the first adjusting portion includes a rotary rod and a knob, the rotary rod is movably connected with the body through a first moving mechanism, one end of the rotary rod is fixedly connected with the knob, and thus the other end of the rotary rod is connected with the first wire based on the knob in a manner of rotating to wind the first wire to change the length of the first wire.

According to a preferred embodiment, the bending body is detachably connected with the binding clip through a connecting part, the connecting part comprises a connector, one end of the connector is fixedly connected with the binding clip, and the other end of the connector is connected with the bending body in a threaded connection mode.

According to a preferred embodiment, a connecting block is arranged inside the fixing block, one end of the connecting block is connected with the second transmission rod in a threaded connection mode, and the other end of the connecting block is fixedly connected with one end of the first transmission rod.

According to a preferred embodiment, the other end of the first transmission rod is movably connected with a wrench through a first connecting rod, and two ends of the first connecting rod are respectively connected with the first transmission rod and the wrench in a hinged manner.

According to a preferred embodiment, the other end of the second transmission rod is movably connected with the second jaw through a second connecting rod, and two ends of the second connecting rod are respectively connected with the second transmission rod and the second jaw in a hinged manner.

According to a preferred embodiment, the binding clip comprises a first jaw and a second jaw, the first jaw is fixedly connected with the connector, and the second jaw is movably connected with the first jaw through a second movable mechanism.

According to a preferred embodiment, the wrench is connected to the second jaw by the first and second transmission rods in a manner that controls the opening and closing of the jaw.

The utility model provides a surgical instruments's for peritoneoscope of angularly adjustable beneficial effect includes at least: the utility model discloses be provided with flexion and regulating part, when using this surgical instruments, adjust the length of steel wire through the regulating part for bending deformation takes place for the flexion, adjusts the angle of binding clip through the bending deformation of flexion, through the angle of adjusting the binding clip, makes surgical instruments more convenient when using, can bring the help of very big degree for medical personnel, makes the success rate of operation increase.

Drawings

FIG. 1 is a schematic view of a surgical instrument provided by the present invention;

FIG. 2 is a schematic view of another preferred embodiment of a surgical instrument according to the present invention;

fig. 3 is a partial enlarged view of the body provided by the present invention; and

fig. 4 is a partial enlarged view of a bent portion provided by the present invention.

List of reference numerals

1: a body 2: and (3) a wrench: a first regulating part

4: second adjusting portion 5: a sleeve 6: bending part

7: connecting part 8: the binding clip 9: first driving rod

10: first connecting rod 11: first steel wire 12: second steel wire

31: the knob 32: the first movable mechanism 33: rotary rod

61: the curved body 62: connecting block 63: fixed block

71: a connector 72: second driving lever 73: second connecting rod

81: first jaw 82: second jaw 83: second movable mechanism

angle alpha of

Detailed Description

The following detailed description is made with reference to fig. 1 to 4.

Example 1

as shown in fig. 1 and 2, the present embodiment provides an angularly adjustable laparoscopic surgical instrument, which includes a body 1 connected to a forceps head 8, the forceps head 8 is connected to the body 1 through a bending portion 6, preferably, the bending portion 6 includes a bending body 61, for example, the bending body 61 may be made of a medical food-grade silicone material, which can have an elastic shape capable of being changed, the bending body 61 is a cylinder having a circular cross-section, one end of the bending body 61 is detachably connected to the forceps head 8, the bending body 61 and the forceps head 8 are connected by a screw thread, thereby achieving a detachable connection, the other end of the bending body 61 is fixedly connected to the body 1 through a sleeve 5, the sleeve 5 is fixedly connected to the body 1, the bending body 61 is fixedly connected to the sleeve 5, one end of the bending body 61 connected to the forceps head 8 is provided with a fixing block 63, the fixing block 63 is connected to a first adjusting portion 3 through a first wire 11, the first adjusting portion 3 includes a rotating rod 33 and a rotating knob 31, the rotating rod 33 is movably connected to the body 1 through a first moving mechanism 32, preferably, the first moving mechanism 32 may be a bearing structure, one end of the rotating rod 33 is connected to the fixing portion 33, and the rotating angle of the rotating knob 33 to the fixing rod 33, thereby increasing the rotating angle of the first adjusting knob 33 when the first adjusting knob 33 is changed, and the angle α of the first adjusting knob 33, thereby increasing the bending body when the bending body 8, the angle of the bending body to increase the angle α of the bending body to increase the angle of the bending body when the bending body to the bending body 8, and the bending body to increase the angle of the bending body to be closer to the angle of the medical instrument.

Preferably, as shown in fig. 3, the body 1 has a hollow configuration inside. The body 1 is provided with a gap for the wrench 2 to move. Spanner 2 is articulated with the one end of first connecting rod 10, and spanner 2 can freely rotate around the pin joint. The other end of the first connecting rod 10 is movably connected with one end of the first driving rod 9 in a hinged mode, and the first driving rod 9 can freely rotate around a hinged point of the first driving rod 9. The position in the first connecting rod 10 is movably connected with the body 1 in a rotating connection way. When a right force is applied to the wrench 2, the end of the wrench 2 connected to the first connecting rod 10 moves to the left, and the first connecting rod 10 rotates clockwise, so that the first driving rod 9 moves to the right. Preferably, the first driving lever 9 may be made of a flexible material capable of freely bending. For example, the first transmission rod 9 may be made of medical silica gel material.

Preferably, the regulating portion includes a first regulating portion 3 and a second regulating portion 4. The second regulating portion 4 is connected to the body 1. The structure of the second regulating portion 4 is identical to that of the first regulating portion 3. The second adjusting part 4 is fixedly connected with the fixing block 63 through a second steel wire 12. One end of the second steel wire 12 is fixedly connected with the second adjusting part 4, and the other end is fixedly connected with the fixing block 63. The length of the second steel wire 12 is changed by the second adjusting portion 4, so that the fixing block 63 is acted by force, the bending body 61 is changed, and the direction of the binding clip 8 is changed.

Preferably, as shown in fig. 4, the sleeve 5 and the curved body 61 are each provided internally with a first passage through which the first wire 11 can pass. The sleeve 5 and the curved body 61 are each provided internally with a second passage through which the second wire 12 can pass. Both the sleeve 5 and the curved body 61 are internally provided with a third passage through which the first transmission rod 9 can pass. The other end of the first transmission rod 9 is fixedly connected with the connecting block 62. The connecting block 62 is located inside the fixing block 63 and is fixedly connected with the fixing block 63.

Preferably, as shown in fig. 4, the bending portion 6 and the binding clip 8 are detachably connected by a connecting portion 7. One end of the connecting part 7 is fixedly connected with the binding clip 8, and the other end is detachably connected with the bending part 6. Preferably, the connecting portion 7 includes a connecting head 71, a second transmission rod 72 and a second connecting rod 73. The second transmission rod 72 and the second connecting rod 73 are located inside the connecting head 71, and a space for the second connecting rod 73 and the second transmission rod 72 to move is arranged inside the connecting head 71. One end of the second transmission rod 72 is hinged to one end of a second connecting rod 73. One end of the connector 71 is detachably connected to the curved body 61. A first internal thread is arranged on the connector 71, and a first external thread matched with the first internal thread is arranged at one end of the bent body 61 connected with the connector 71. The curved body 61 is fixedly connected to the connection head 71 when the first internal thread and the first external thread are engaged. The bending part 6 and the connecting part 7 are detachably connected by a screw connection. The other end of the second transmission rod 72 is connected with the connecting block 62 through screw threads. The second transmission rod 72 is provided with a second external thread, and the connecting block 62 is provided with a second internal thread matched with the second external thread.

Preferably, the other end of the connecting head 71 is connected with the binding clip 8. The binding clip 8 comprises a first jaw 81 and a second jaw 82. The first jaw 81 is movably connected with the second jaw 82 through a second movable mechanism 83. The first jaw 81 is fixedly connected to the connecting head 71. A second jaw 82 is hinged to the other end of the second transmission rod 73, the second jaw 82 being able to rotate about its hinge point. When it is desired to bring the first jaw 81 and the second jaw 82 together, a force is applied to the wrench 2 in a rightward direction, and the wrench 2 rotates the first connecting rod 10 clockwise, so that the first driving rod 9 moves rightward, and the second driving rod 72 connected to the first driving rod 9 moves rightward, so that the second connecting rod 73 moves rightward, so that the second jaw 82 rotates clockwise to be brought together with the first jaw 81. For example, the second movable mechanism 83 includes a latch. The first jaw 81 is provided with a blind hole through which a bolt can pass, the second jaw 82 is provided with a through hole through which the bolt can pass, and the first jaw 81 is connected with the second jaw 82 in a rotating manner by sequentially passing through the through hole and the blind hole based on the bolt.

the operating principle is that when the surgical instrument is used, a needed forceps head 8 is connected with a bending portion 6 through a connecting portion 7, the length of a first steel wire 11 and the length of a second steel wire 12 are adjusted through a first adjusting portion 3 and a second adjusting portion 4 respectively to change the shape of a bending body 61, so that the bending body 61 is bent, the direction of the forceps head 8 is changed, and the angle of an included angle α between the forceps head 8 and the body 1 is adjusted, the first transmission rod 9 and the second transmission rod 72 are moved through a wrench 2, and therefore opening and closing of the first forceps jaw 81 and the second forceps jaw 82 are controlled, the angle of the surgical instrument can be adjusted when the surgical instrument is used through the bending portion 6, great help can be brought to medical staff, and the success rate of surgery is increased.

It should be noted that the above-mentioned embodiments are exemplary, and those skilled in the art can devise various solutions in light of the present disclosure, which are also within the scope of the present disclosure and fall within the scope of the present disclosure. It should be understood by those skilled in the art that the present specification and drawings are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.

Claims

1. An angle-adjustable surgical instrument for laparoscope comprises a body (1) connected with a forceps head (8), and is characterized in that the forceps head (8) is connected with the body (1) through a bending part (6),

wherein the bending part (6) comprises a bending body (61), the bending body (61) is connected with an adjusting part through a steel wire, so that the body (1) is connected with the forceps head (8) based on the adjusting part in a manner of changing the length of the steel wire to enable the bending body (61) to be in a bending state so as to change the size of an included angle (α) between the forceps head (8) and the body (1).

2. The surgical instrument according to claim 1, wherein the bending portion (6) is connected to the first adjusting portion (3) by a first wire (11), and a fixing block (63) is provided at an end of the bending body (61) connected to the forceps head (8), so that the first adjusting portion (3) is fixedly connected to the fixing block (63) by changing a length of the first wire (11).

3. Surgical instrument according to claim 2, characterized in that the curved body (61) is internally provided with a first passage through which the first wire (11) can pass, the curved body (61) being a cylinder with a circular cross section.

4. The surgical instrument according to claim 3, wherein the first adjustment portion (3) includes a rotary lever (33) and a rotary knob (31), the rotary lever (33) being movably connected to the body (1) by a first moving mechanism (32), one end of the rotary lever (33) being fixedly connected to the rotary knob (31), so that the other end of the rotary lever (33) is connected to the first wire (11) based on the rotary knob (31) in such a manner as to change the length of the first wire (11) by rotating and winding the first wire (11).

5. Surgical instrument according to claim 4, characterized in that the curved body (61) is detachably connected to the jaw (8) by means of a connecting portion (7), the connecting portion (7) comprising a connecting head (71), one end of the connecting head (71) being fixedly connected to the jaw (8), the other end of the connecting head (71) being connected to the curved body (61) in a threaded connection.

6. The surgical instrument according to claim 5, characterized in that a connecting block (62) is arranged inside the fixed block (63), one end of the connecting block (62) is connected with the second transmission rod (72) in a threaded manner, and the other end of the connecting block (62) is fixedly connected with one end of the first transmission rod (9).

7. The surgical instrument according to claim 6, characterized in that the other end of the first transmission rod (9) is movably connected to the wrench (2) by a first connecting rod (10), and the two ends of the first connecting rod (10) are respectively connected to the first transmission rod (9) and the wrench (2) in an articulated manner.

8. Surgical instrument according to claim 7, characterized in that the other end of the second transmission rod (72) is movably connected to the second jaw (82) by means of a second connecting rod (73), the two ends of the second connecting rod (73) being connected to the second transmission rod (72) and the second jaw (82) in an articulated manner, respectively.

9. Surgical instrument according to claim 8, characterized in that the jaw (8) comprises a first jaw (81) and a second jaw (82), the first jaw (81) being fixedly connected to the connector (71), the second jaw (82) being movably connected to the first jaw (81) by means of a second movable mechanism (83).

10. Surgical instrument according to claim 9, characterized in that the wrench (2) is connected to the second jaw (82) by means of the first transmission rod (9) and the second transmission rod (72) in such a way that the opening and closing of the jaw head (8) is controlled.