CN215079110U

CN215079110U - Disposable minimally invasive fascia tractor

Info

Publication number: CN215079110U
Application number: CN202121626005.7U
Authority: CN
Inventors: 曾致翔
Original assignee: Dongguan Hengzao Plastic Hardware Co ltd
Current assignee: Dongguan Hengzao Plastic Hardware Co ltd
Priority date: 2021-07-17
Filing date: 2021-07-17
Publication date: 2021-12-10
Anticipated expiration: 2031-07-17

Abstract

A disposable minimally invasive fascia retractor relates to the field of surgical instruments. It includes the clamp casing, the handle, the spring groove, the mounting groove, the card strip, a spring, the push rod, the outer tube, the inner tube, press from both sides the lines, the clamp casing comprises last casing and lower casing lock, it is the same with the shape size of casing down to go up the casing, the left and right sides of clamp casing is equipped with the handle, be equipped with the spring groove in the clamp casing, the below in spring groove is equipped with the mounting groove, the bottom inner wall of mounting groove is equipped with the card strip, the spring inslot is equipped with the spring, the lower extreme embedding of push rod is connected to the upper end of spring inslot and with the upper end of spring, the upper end fixed connection of outer tube is in the mounting groove, the upper end embedding of inner tube the inside of spring and with the bottom fixed connection of push rod, the lower extreme embedding of inner tube is in the outer tube, the bottom fixed connection of inner tube presss from both sides the lines. The utility model discloses firm more stable during centre gripping stylolite mutually supports with the spring, makes to grab the line and receive the line nimble, and it is more simple and convenient swift to handle the piece.

Description

Disposable minimally invasive fascia tractor

Technical Field

The utility model relates to the field of surgical instruments, in particular to an improvement of a disposable minimally invasive fascia tractor.

Background

With the progress of medical technology, endoscopic minimally invasive surgery has become a main method of operation, and after the endoscopic surgery, the peritoneum and the fascia layer are generally needed to be sutured, otherwise, the hernia of omentum or intestinal canal in the abdominal cavity is easy to form, or incomplete intestinal obstruction is caused by local adhesion, and serious patients can cause the problems of puncture bleeding, puncture hernia and the like.

The existing fascia retractor is often prone to tissue pleating or sharp injury during puncturing, pain of a patient is increased, operation is complex, line grabbing and line taking are inconvenient, operation time is prolonged, and operation cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a defect and not enough to prior art, provide a disposable wicresoft's manadesma tractor, firm more stable during centre gripping stylolite mutually supports with the spring, makes the line of grabbing and receive the line nimble, and it is more simple and convenient swift to operate the piece.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the clamp comprises a clamp shell 1, a handle 2, a spring groove 3, a mounting groove 4, a clamping strip 5, a spring 6, a push rod 7, an outer tube 8, an inner tube 9 and a clamping strip 10, wherein the clamp shell 1 is formed by buckling an upper shell 1-1 and a lower shell 1-2, the upper shell 1-1 and the lower shell 1-2 are the same in shape and size, the handle 2 is arranged on the left side and the right side of the clamp shell 1, the spring groove 3 is arranged in the clamp shell 1, the mounting groove 4 is arranged below the spring groove 3, the clamping strip 5 is arranged on the inner wall of the bottom end of the mounting groove 4, the spring 6 is arranged in the spring groove 3, the lower end of the push rod 7 is embedded into the spring groove 3 and is connected with the upper end of the spring 6, the upper end of the outer tube 8 is fixedly connected in the mounting groove 4, the upper end of the inner tube 9 is embedded into the spring 6 and is fixedly connected with the bottom end of the push rod 7, the lower end of the inner tube 9 is embedded into the outer tube 8, the bottom end of the inner pipe 9 is fixedly connected with a clamping strip 10.

Furthermore, the line clamping strip 10 is an elastic linkage bifurcation structure, and the cross section of the clamping part of the line clamping strip 10 is rectangular. The cross section of the clamping part is more firm and stable when the rectangular clamping part clamps the suture, and the clamping part is matched with the spring 6, so that the suture grabbing and winding are flexible, and the operation piece is more simple, convenient and quick.

Further, the outer surface of the upper end of the outer tube 8 is provided with an annular clamping groove 81, and the clamping strip 5 is embedded into the annular clamping groove 81. The clamping strip 5 is embedded into the annular clamping groove 81, and plays a role in limiting and fixing the outer pipe 8 in the clamp shell 1.

Furthermore, the lower surface of the handle 2 and the side surface of the lower end of the clamp shell 1 are provided with anti-skid grooves 11. The anti-slip grooves 11 can increase the friction force between the hand of the operator and the grip 2 and the side surface of the lower end of the clamp shell 1, and prevent the clamp shell 1 from slipping from the hand of the operator.

Furthermore, the upper end connecting surface and the lower end connecting surface of the upper shell 1-1 and the lower shell 1-2 are respectively provided with a positioning hole 12 and a positioning column 13, and the positioning hole 12 on the upper shell 1-1 corresponds to the positioning column 13 on the lower shell 1-2 in position. The upper shell 1-1 and the lower shell 1-2 are positioned through the positioning hole 12 and the positioning column 13.

The utility model discloses a theory of operation: when suturing is carried out, the push rod 7 is pushed downwards, the push rod 7 slides downwards in the spring groove 3, the spring 6 is extruded, the inner tube 9 connected with the push rod 7 is pushed to slide downwards along the axial direction of the outer tube 8, when the inner tube 9 slides downwards for a certain distance, the clamping line 10 at the bottom end of the inner tube 9 penetrates out of the bottom end of the outer tube 8, the clamping part of the clamping line 10 is opened at the moment, a suture line is placed at the opening of the clamping part, an operator stops applying extrusion force to the push rod 7, the spring 6 rebounds to the original position after losing extrusion force, the rebounded spring 6 drives the push rod 7 to move upwards together, the clamping line 10 on the inner tube 9 is driven to retract towards the inside of the tube barrel of the outer tube 8, the clamping line 10 is extruded by the inner wall of the outer tube 8, the clamping line 10 is mutually extruded by the clamping part of the clamping line 10, and clamping and line lifting of the suture line are achieved; the utility model discloses a disposable sterilization product avoids cross-induction's emergence.

After the technical scheme is adopted, the utility model discloses beneficial effect does: through set up ring groove on the outer tube, set up the card strip on the clamp casing, make the card strip imbed in ring groove, make clamp casing and outer union coupling more firmly be difficult for droing, the clamping part cross section of pressing from both sides the lines is the rectangle, more firmly stable during the centre gripping stylolite, mutually supports with the spring, makes to grab the line and receive the line nimble, and the operation piece is more simple and convenient swift.

Drawings

In order to more clearly illustrate the embodiments of the present invention 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 of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3;

FIG. 5 is an enlarged view of the structure of FIG. 3 at B;

fig. 6 is a schematic view of the state that the middle clipping line 10 of the present invention extends out of the outer tube 8.

Fig. 7 is a structural diagram of the fit connection between the middle and outer tubes 8 and the guide cone 14 of the present invention;

fig. 8 is a schematic view of the internal structure of the middle guide cone 14 according to the present invention;

description of reference numerals: the clamp comprises a clamp shell 1, an upper shell 1-1, a lower shell 1-2, a handle 2, a spring groove 3, an installation groove 4, a clamping strip 5, a spring 6, a push rod 7, an outer tube 8, an annular clamping groove 81, an inner tube 9, a clamping strip 10, an anti-skidding groove 11, a positioning hole 12, a positioning column 13, a guide cone 14, a groove 141 and a guide hole 142.

Detailed Description

The implementation method comprises the following steps: referring to fig. 1 to 6, the technical solution adopted by the present embodiment is: the clamp comprises a clamp shell 1, a handle 2, a spring groove 3, a mounting groove 4, a clamping strip 5, a spring 6, a push rod 7, an outer tube 8, an inner tube 9 and a clamping strip 10, wherein the clamp shell 1 is formed by buckling an upper shell 1-1 and a lower shell 1-2, the upper shell 1-1 and the lower shell 1-2 are the same in shape and size, the handle 2 is arranged on the left side and the right side of the clamp shell 1, the spring groove 3 is arranged in the clamp shell 1, the mounting groove 4 is arranged below the spring groove 3, the clamping strip 5 is arranged on the inner wall of the bottom end of the mounting groove 4, the spring 6 is arranged in the spring groove 3, the lower end of the push rod 7 is embedded into the spring groove 3 and is connected with the upper end of the spring 6, the upper end of the outer tube 8 is fixedly connected in the mounting groove 4, the upper end of the inner tube 9 is embedded into the spring 6 and is fixedly connected with the bottom end of the push rod 7, the lower end of the inner tube 9 is embedded into the outer tube 8, the bottom end of the inner pipe 9 is fixedly connected with a clamping strip 10.

Preferably, the line clamping strip 10 is of an elastic linkage bifurcation structure, the cross section of the clamping part of the line clamping strip 10 is rectangular, the cross section of the clamping part is more firm and stable when the rectangular clamping part clamps the suture line, and the line clamping strip is matched with the spring 6, so that the line clamping and taking-up are flexible, and the operation piece is simpler, more convenient and faster.

Preferably, the outer surface of the upper end of the outer pipe 8 is provided with an annular clamping groove 81, the clamping strip 5 is embedded into the annular clamping groove 81, and the clamping strip 5 is embedded into the annular clamping groove 81 to play a role in limiting and fixing the outer pipe 8 in the clamp shell 1.

Preferably, the lower surface of the handle 2 and the side surface of the lower end of the clamp shell 1 are provided with anti-slip grooves 11, and the anti-slip grooves 11 can increase the friction force between the hand of the operator and the handle 2 and the side surface of the lower end of the clamp shell 1, so as to prevent the clamp shell 1 from slipping off from the hand of the operator.

Preferably, the upper end connecting surface and the lower end connecting surface of the upper shell 1-1 and the lower shell 1-2 are both provided with a positioning hole 12 and a positioning column 13, the positioning hole 12 on the upper shell 1-1 corresponds to the positioning column 13 on the lower shell 1-2 in position, and the upper shell 1-1 and the lower shell 1-2 are positioned through the positioning hole 12 and the positioning column 13.

The second embodiment is as follows: referring to fig. 7-8, the difference from the first embodiment is that the outer portion of the lower end of the outer tube 8 is movably sleeved with the guide cone 14, the top end of the guide cone 14 is provided with a groove 141, the bottom end of the groove 141 is provided with guide holes 142 in an inclined and symmetrical manner, the groove 141 and the left and right side walls of the guide cone 14 of the guide hole 142 are used for inserting the outer tube 8 into the guide hole 142 to guide the outer tube 8, which can effectively reduce tissue pleating, discomfort of a patient and pain of a puncture hole after operation.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. A disposable minimally invasive fascia retractor, comprising: the clamp comprises a clamp shell (1), a handle (2), a spring groove (3), a mounting groove (4), a clamping strip (5), a spring (6), a push rod (7), an outer tube (8), an inner tube (9) and a clamping strip (10), wherein the clamp shell (1) is formed by buckling an upper shell (1-1) and a lower shell (1-2), the upper shell (1-1) and the lower shell (1-2) are the same in shape and size, the handle (2) is arranged on the left side and the right side of the clamp shell (1), the spring groove (3) is arranged in the clamp shell (1), the mounting groove (4) is arranged below the spring groove (3), the clamping strip (5) is arranged on the inner wall of the bottom end of the mounting groove (4), the spring (6) is arranged in the spring groove (3), the lower end of the push rod (7) is embedded into the spring groove (3) and is connected with the upper end of the spring (6), the upper end fixed connection of outer tube (8) is in mounting groove (4), the upper end of inner tube (9) is embedded into the inside of spring (6) and with the bottom fixed connection of push rod (7), the lower extreme of inner tube (9) is embedded into outer tube (8), the bottom fixed connection of inner tube (9) presss from both sides lines (10).

2. The disposable minimally invasive fascia retractor of claim 1, wherein: the clamping lines (10) are of elastic linkage branched structures, and the cross section of a clamping part of each clamping line (10) is rectangular.

3. The disposable minimally invasive fascia retractor of claim 1, wherein: the outer surface of the upper end of the outer pipe (8) is provided with an annular clamping groove (81), and the clamping strip (5) is embedded into the annular clamping groove (81).

4. The disposable minimally invasive fascia retractor of claim 1, wherein: and anti-skid grooves (11) are formed in the lower surface of the handle (2) and the side surface of the lower end of the clamp shell (1).

5. The disposable minimally invasive fascia retractor of claim 1, wherein: the upper end connecting surface and the lower end connecting surface of the upper shell (1-1) and the lower shell (1-2) are respectively provided with a positioning hole (12) and a positioning column (13), and the positioning hole (12) on the upper shell (1-1) corresponds to the positioning column (13) on the lower shell (1-2).