CN113117219B

CN113117219B - Novel three-way guide wire guiding forceps for minimally invasive pancreatitis surgery

Info

Publication number: CN113117219B
Application number: CN202110419450.4A
Authority: CN
Inventors: 潘新亭; 朱青云; 宋蕾; 朱云朋; 刘艳
Original assignee: Affiliated Hospital of University of Qingdao
Current assignee: Affiliated Hospital of University of Qingdao
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2022-11-25
Anticipated expiration: 2041-04-19
Also published as: CN113117219A

Abstract

The invention provides a novel three-way guide wire guide clamp for a minimally invasive pancreatitis surgery, which belongs to the technical field of medical instruments and comprises a first clamp body and a second clamp body, wherein the first clamp body and the second clamp body are movably hinged through a hinge, the first clamp body and the second clamp body are in a symmetrical structure, clamp handles are fixed at the left ends of the first clamp body and the second clamp body, hollow grooves are formed at the right ends of the first clamp body and the second clamp body, the two hollow grooves are matched, and form a cylindrical groove.

Description

Novel three-way guide wire guiding forceps for minimally invasive pancreatitis surgery

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to a novel three-way guide wire guiding clamp for a minimally invasive pancreatitis operation.

Background

The pancreas is a long and narrow gland, is transversely arranged on the plane of lumbar vertebra bodies of 1-2 of the back wall of the abdomen, is soft and grey red, and is an organ deep in the abdomen of a human body. The pancreas is divided into exocrine glands and endocrine glands. The exocrine gland consists of acinus and ducts, the acinus secretes pancreatic juice, and the ducts are channels for discharging the pancreatic juice. The pancreatic juice contains sodium bicarbonate, trypsinogen, lipase, amylase, etc. Pancreatic juice is discharged into duodenum through pancreatic duct, and has functions of digesting protein, fat and sugar, acute pancreatitis is usually acute pancreatitis of severe pancreatic patients, and pancreatitis is a disease caused by self digestion of pancreatic protease. The pancreas may be edematous, engorged, or hemorrhagic, necrotic. Clinically, abdominal pain, abdominal distension, nausea, vomiting, fever and other symptoms occur. The amylase content in the laboratory blood and urine is increased, and the like. It can be divided into acute and chronic types.

The method is characterized in that a mode of almost completely cutting open the abdomen of a patient suffering from severe pancreatitis is adopted, and a minimally invasive surgery is to cut a small opening in the abdomen of the patient, expand a skin incision by using a guide wire guide clamp, slowly place a special three-way catheter device in the body and suck out tissue rotten meat pus and the like under the action of negative pressure.

However, in the prior art, the problems of single skin expanding scheme, complex tools, complex steps, difficulty in mastering and the like exist in the process of placing the three-way catheter device, the head of the existing guide wire guiding forceps is mostly in a bent state, the guiding direction of the guide wire can be changed, the distance entering the human body is not controlled, the insertion length of the three-way catheter device is inconvenient to determine, and the guiding direction of the guide wire is single after skin expansion, so that the novel three-way guide wire guiding forceps for the pancreatitis minimally invasive surgery are designed.

Disclosure of Invention

The invention aims to provide a novel three-way guide wire guiding clamp for minimally invasive pancreatitis surgery, and aims to solve the problems that most of heads of the novel three-way guide wire guiding clamp for minimally invasive pancreatitis surgery in the prior art are in a bent state, the guiding direction of a guide wire can be changed, the distance of the guide wire entering a human body is not easy to control, the guiding direction of the guide wire is single, and the like.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a novel three-way seal wire guide pincers for pancreatitis minimally invasive surgery includes the first pincers body and the second pincers body, it is articulated through the articulated elements activity between the first pincers body and the second pincers body, and is the structure of mutual symmetry between the first pincers body and the second pincers body, the left end of the first pincers body and the second pincers body all is fixed with the pincers handle, the cavity slot has all been seted up to the right-hand member of the first pincers body and the second pincers body, and two cavity slot phase-matches, two the cavity slot forms a cylindrical slot, the rear end of the second pincers body is fixed with the arc diving board through two fixing bolt, and the end and the first pincers body phase-match of arc diving board, be provided with incorgruous seal wire fixture in the first pincers body, be provided with adjustment mechanism in the articulated elements.

Preferably, the guide wire clamping mechanism in different directions comprises a guide wire penetrating groove, the guide wire penetrating groove is formed in the rear end of the first clamp body and penetrates through the front end of the second clamp body, a rope hole is formed in the first clamp body, an arc-shaped clamping plate is fixed to the inner wall of the guide wire penetrating groove through two springs, a pull rope is fixed to the left end of the arc-shaped clamping plate, and the other end of the pull rope penetrates through the rope hole and is fixed to a pull ring.

Preferably, the inlet and outlet of the rope hole are respectively arranged on the circumferential inner wall of the guide wire through groove and the forceps handles, and the pull ring is arranged between the two forceps handles.

Preferably, adjustment mechanism includes a word adjusting screw and nut, the nut is fixed in the lower extreme of articulated elements, a word adjusting screw threaded connection is in the nut, and a word adjusting screw and articulated elements phase-match.

Preferably, the upper end of the first clamp body is provided with a scale, and the minimum scale of the scale is one millimeter.

Preferably, the two forceps handles are internally provided with anti-skid grains.

Preferably, the diameter of the forceps handle on the second forceps body is larger than that of the forceps handle on the first forceps body.

Preferably, smooth chamfers are arranged on the side walls of the first clamp body and the second clamp body, and an included angle formed between the first clamp body and the second clamp body is zero degree to forty degrees.

Preferably, the front end of the second clamp body is provided with an arc groove.

Preferably, the arc-shaped elastic plate is made of carbon spring steel.

Compared with the prior art, the invention has the beneficial effects that:

1. the whole guide forceps are reasonable in structure, ingenious in conception, convenient and labor-saving to use and good in skin expanding effect, the depth of the three-way catheter entering a patient body can be effectively and directly observed by the aid of the observation device, the guide wire guide direction can be bidirectionally guided, the diversity of fixing the guide wire direction is improved, and the problems that in the prior art, the skin expanding scheme is single, tools are complex, steps are complex and difficult to master, most of the heads of guide wire guide forceps are in a bent state, the guide direction of the guide wire cannot be changed, the distance of the guide wire entering the human body is not controlled well, the insertion length of the three-way catheter device is inconvenient to determine, the guide direction of the guide wire is single after skin expansion and the like are effectively solved.

2. According to the invention, the adjusting mechanism in the device can adjust the force of operating personnel for operating and using the whole forceps body, the adaptability of the device can be improved for different users, and meanwhile, the structure of the forceps body in the device changes the structure of a common scissor type forceps body, so that the structure can ensure that the operating personnel does not need to additionally use clamping force when clamping the guide wire, more energy is put on the expansion of the skin incision, the operation efficiency is improved, and the labor intensity of medical personnel is reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a first perspective view of the present invention;

FIG. 3 is a partial view taken at B of FIG. 2 in accordance with the present invention;

FIG. 4 is a front view of the present invention;

FIG. 5 isbase:Sub>A cross-sectional view taken at A-A of FIG. 4 in accordance with the present invention;

FIG. 6 is a second perspective view of the present invention;

in the figure: 1. a first caliper body; 2. a second caliper body; 3. an articulation member; 4. a linear adjusting screw; 5. a nut; 6. an arc groove; 7. calibration; 8. a hollow groove; 9. a forceps handle; 10. anti-skid lines; 11. an arc-shaped elastic plate; 12. fixing the bolt; 13. a guide wire penetrates through the groove; 14. a spring; 15. an arc-shaped splint; 16. a rope hole; 17. pulling a rope; 18. and (4) a pull ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Examples

Referring to fig. 1-6, the present invention provides the following technical solutions: the utility model provides a novel three-way seal wire guide pincers for pancreatitis minimally invasive surgery includes first pincers body 1 and second pincers body 2, it is articulated through articulated elements 3 activity between first pincers body 1 and the second pincers body 2, and be the structure of mutual symmetry between first pincers body 1 and the second pincers body 2, the left end of first pincers body 1 and second pincers body 2 all is fixed with pincers handle 9, cavity slot 8 has all been seted up to the right-hand member of first pincers body 1 and second pincers body 2, and two cavity slot 8 phase-matches, two cavity slot 8 form a cylindrical groove, the rear end of second pincers body 2 is fixed with arc elastic plate 11 through two fixing bolt 12, and the end and the first pincers body 1 phase-matches of arc elastic plate 11, be provided with incorgruous seal wire fixture in the first pincers body 1, be provided with adjustment mechanism in the articulated elements 3.

In the embodiment of the invention, the guide wire is clamped through the two hollow grooves 8 forming the cylindrical groove pair between the first forceps body 1 and the second forceps body 2, the elastic force is improved by the arc-shaped elastic plate 11 between the first forceps body 1 and the second forceps body 2 to automatically form the clamping, the use is labor-saving for a long time, when the clamping of the guide wire needs to be released, the two forceps handles 9 at the left ends of the first forceps body 1 and the second forceps body 2 can be pressed, a gap is formed at the right ends of the first forceps body 1 and the second forceps body 2, and by the structure, an operator does not need to additionally use clamping force when clamping the guide wire, more energy is put on the expansion of a skin incision, the operation efficiency is improved, and the labor intensity of medical personnel is reduced.

Specifically, different direction seal wire fixture includes that the seal wire wears groove 13, and seal wire wears groove 13 and sets up in the rear end of the first pincers body 1, and seal wire wears groove 13 and runs through the front end of the second pincers body 2, has seted up rope hole 16 in the first pincers body 1, and the inner wall that the seal wire worn groove 13 is fixed with arc splint 15 through two springs 14, and the left end of arc splint 15 is fixed with stay cord 17, and the other end of stay cord 17 runs through rope hole 16 and is fixed with pull ring 18.

In this embodiment: the setting of heterodromous seal wire fixture can form centre gripping and guide at the seal wire to the equidirectional not, run through the seal wire during use and wear in groove 13, it is spacing to carry out the centre gripping to the seal wire through two fixed arc splint 15 of spring 14 in groove 13 is worn to the seal wire, when the seal wire is loosened to needs, medical personnel can stimulate the pull ring 18 of the 2 inboard of second pincers bodies and drive stay cord 17 and remove to the direction of pull ring 18 in rope hole 16, the removal of stay cord 17 can lose the centre gripping to the seal wire in groove 13 rather than fixed arc splint 15, the completion is to the operation of loosening of seal wire, convenient whole operation externally goes on, the flexible operation is convenient.

Specifically, the inlet and outlet of the rope hole 16 are respectively arranged on the circumferential inner wall of the guide wire through groove 13 and the forceps handles 9, and the pull ring 18 is arranged between the two forceps handles 9.

In this embodiment: the arrangement of the pull ring 18 between the two jaws 9 facilitates the pulling of the pull ring 18 by the fingers of the operator.

Specifically, adjustment mechanism includes a word adjusting screw 4 and nut 5, and nut 5 is fixed in the lower extreme of articulated elements 3, and a word adjusting screw 4 threaded connection is in nut 5, and a word adjusting screw 4 and articulated elements 3 phase-match.

In this embodiment: the setting of adjustment mechanism can change the articulated elasticity degree of activity between the first pincers body 1 and the second pincers body 2 through the fastening degree to a word adjusting screw 4 threaded connection on nut 5 to the different user force demands of this adaptation.

Specifically, the upper end of the first caliper body 1 is provided with a scale 7, and the minimum scale of the scale 7 is one millimeter.

In this embodiment: the setting of scale 7 can be effective direct observation device get into the internal degree of depth of patient to the minimum scale of scale 7 can improve the operating accuracy for a millimeter.

Specifically, the two forceps handles 9 are both provided with anti-skid threads 10.

In this embodiment: the arrangement of the anti-slip lines 10 in the two forceps handles 9 improves the friction force between the two forceps handles 9 and fingers of medical workers, and improves the operation stability and safety of the device.

Specifically, the diameter of the forceps handle 9 on the second forceps body 2 is larger than that of the forceps handle 9 on the first forceps body 1.

In this embodiment: the hole diameter of the clamp handle 9 on the second clamp body 2 is larger than the hole diameter of the clamp handle 9 on the first clamp body 1, so that the device can be adapted to the human body structure that the thumb of the human body is usually thicker than the forefinger, and when the device is used, the thumb is usually placed on the clamp handle 9 on the second clamp body 2, and the forefinger is placed in the clamp handle 9 on the first clamp body 1 to complete the operation.

Specifically, smooth chamfers are arranged on the side walls of the first forceps body 1 and the second forceps body 2, and an included angle formed between the first forceps body 1 and the second forceps body 2 is zero to forty degrees.

In this embodiment: the safety of the device can be improved by arranging smooth chamfers on the side walls of the first forceps body 1 and the second forceps body 2, and the included angle formed between the first forceps body 1 and the second forceps body 2 is zero to forty degrees, so that the maximum expansion angle of the forceps bodies is formed between the maximum angle formed by the thumb and the index finger of a human body.

Specifically, the front end of the second forceps body 2 is provided with an arc groove 6.

In this embodiment: the arc groove 6 can reduce the area of the head of the whole clamp body, and the device is convenient to adapt to different use places.

Specifically, the arc-shaped spring plate 11 is made of carbon spring steel.

In this embodiment: the arc-shaped elastic plate 11 is made of carbon spring steel, so that the elasticity of the arc-shaped elastic plate 11 can be utilized to support the first clamp body 1 and the second clamp body 2, and the whole clamp body can clamp and guide the guide wire.

The working principle and the using process of the invention are as follows: when the device is used, the guide wire is clamped through the two hollow grooves 8 which form the cylindrical groove pair between the first forceps body 1 and the second forceps body 2, the elastic force is improved to automatically form the clamping through the arc elastic plate 11 between the first forceps body 1 and the second forceps body 2, the device is labor-saving to use for a long time, when the clamping of the guide wire is required to be loosened, the two forceps handles 9 at the left ends of the first forceps body 1 and the second forceps body 2 can be pressed, a gap is formed at the right ends of the first forceps body 1 and the second forceps body 2, the structure can ensure that an operator does not need to additionally use clamping force when clamping the guide wire by the forceps bodies, more energy is put on the expansion of skin incisions, the operation efficiency is improved, the labor intensity of medical personnel is reduced, the guide wire clamping mechanisms in different directions can clamp and guide the guide wires in different directions, and the guide wires penetrate through the guide wire penetrating grooves 13 when in use, the guide wire can be clamped and limited in the guide wire through the arc-shaped clamping plates 15 fixed by the two springs 14 in the guide wire through groove 13, when the guide wire needs to be loosened, medical personnel can pull the pull ring 18 on the inner side of the second clamp body 2 to drive the pull rope 17 to move in the rope hole 16 towards the pull ring 18, the pull rope 17 can move to lose the clamping of the guide wire in the guide wire through groove 13 with the arc-shaped clamping plates 15 fixed with the pull rope 17, the loosening operation of the guide wire is completed, the whole operation is convenient and fast to carry out on the outside, the operation is flexible and convenient, the pull ring 18 is arranged between the two clamp handles 9, the pulling of the fingers of the operator to the pull ring 18 can be facilitated, the arrangement of the adjusting mechanism can change the tightness degree of the movable hinge joint between the first clamp body 1 and the second clamp body 2 through the fastening degree of the threaded connection of the straight adjusting screw 4 on the screw cap 5, so as to adapt to different force requirements of users, the setting of scale 7 can be effective direct observation device gets into the internal degree of depth of patient, and can improve the operating accuracy with the minimum scale of scale 7 for a millimeter, the setting of antiskid line 10 has improved the frictional force that two pincers handles 9 and medical personnel finger contact in two pincers handles 9, improve device's operating stability and security, to be located on second pincers body 2 the aperture setting of pincers handle 9 is greater than to be located on first pincers body 1 the aperture of pincers handle 9 can the human thumb of adaptation general can be thick in the human body structure of forefinger, this device is placed the thumb when using usually and is located on second pincers body 2 pincers handle 9 and put the forefinger and accomplish the operation in being located on first pincers body 1 pincers handle 9, all be provided with smooth chamfer on the lateral wall of first pincers body 1 and second pincers body 2 and can improve device's security, and also let the biggest expansion angle of body between human thumb and the biggest expansion angle of formation of thumb for zero degree to forty degrees with the contained angle that forms between first pincers body 1 and second pincers body 2, the whole head portion that can reduce the guide wire and make whole pincers body support the head portion of the carbon element 11 and use the first pincers body 2 and the arc-shaped spring guide device that the arc-shaped spring utilizes the whole carbon element 11 to make.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a novel pancreatitis is tee bend seal wire guide pincers for minimally invasive surgery which characterized in that: the wire clamping device comprises a first clamp body (1) and a second clamp body (2), wherein the first clamp body (1) and the second clamp body (2) are movably hinged through a hinge piece (3), the first clamp body (1) and the second clamp body (2) are in symmetrical structures, clamp handles (9) are fixed at the left ends of the first clamp body (1) and the second clamp body (2), hollow grooves (8) are formed in the right ends of the first clamp body (1) and the second clamp body (2), the two hollow grooves (8) are matched with each other, a cylindrical groove is formed in each hollow groove (8), an arc-shaped elastic plate (11) is fixed at the rear end of the second clamp body (2) through two fixing bolts (12), the tail end of each arc-shaped elastic plate (11) is matched with the first clamp body (1), a guide wire clamping mechanism in different directions is arranged in the first clamp body (1), and an adjusting mechanism is arranged in the hinge piece (3);

the guide wire clamping mechanism comprises a guide wire penetrating groove (13), the guide wire penetrating groove (13) is formed in the rear end of a first clamp body (1), the guide wire penetrating groove (13) penetrates through the front end of a second clamp body (2), a rope hole (16) is formed in the first clamp body (1), an arc-shaped clamping plate (15) is fixed on the inner wall of the guide wire penetrating groove (13) through two springs (14), a pull rope (17) is fixed at the left end of the arc-shaped clamping plate (15), the other end of the pull rope (17) penetrates through the rope hole (16) and is fixed with a pull ring (18), an inlet and an outlet of the rope hole (16) are respectively formed in the inner wall of the circumference of the guide wire penetrating groove (13) and a clamp handle (9), and the pull ring (18) is arranged between the two clamp handles (9).

2. The novel pancreatitis minimally invasive surgery three-way guide wire guiding forceps as claimed in claim 1, which is characterized in that: adjustment mechanism includes word adjusting screw (4) and nut (5), the lower extreme of articulated elements (3) is fixed in nut (5), word adjusting screw (4) threaded connection is in nut (5), and word adjusting screw (4) and articulated elements (3) phase-match.

3. The novel pancreatitis minimally invasive surgery three-way guide wire guiding forceps as claimed in claim 2, which is characterized in that: the scale (7) is arranged at the upper end of the first clamp body (1), and the minimum scale of the scale (7) is one millimeter.

4. The novel pancreatitis minimally invasive surgery three-way guide wire guiding forceps as recited in claim 3, characterized in that: anti-skidding lines (10) are arranged in the two forceps handles (9).

5. The novel pancreatitis minimally invasive surgery three-way guide wire guiding forceps as recited in claim 4, characterized in that: the hole diameter of the forceps handle (9) on the second forceps body (2) is larger than the hole diameter of the forceps handle (9) on the first forceps body (1).

6. The novel pancreatitis minimally invasive surgery three-way guide wire guiding forceps as recited in claim 5, characterized in that: smooth chamfers are arranged on the side walls of the first clamp body (1) and the second clamp body (2), and an included angle formed between the first clamp body (1) and the second clamp body (2) is zero to forty degrees.

7. The novel pancreatitis minimally invasive surgery three-way guide wire guiding forceps as recited in claim 6, characterized in that: the front end of the second clamp body (2) is provided with an arc groove (6).

8. The novel three-way guide wire guiding forceps for pancreatitis minimally invasive surgery of claim 7, which is characterized in that: the arc-shaped elastic plate (11) is made of carbon spring steel.