CN109064861B - Laparoscopic instrument forceps for laparoscopic simulation operation - Google Patents
Laparoscopic instrument forceps for laparoscopic simulation operation Download PDFInfo
- Publication number
- CN109064861B CN109064861B CN201811102014.9A CN201811102014A CN109064861B CN 109064861 B CN109064861 B CN 109064861B CN 201811102014 A CN201811102014 A CN 201811102014A CN 109064861 B CN109064861 B CN 109064861B
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- China
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- clamp rod
- sliding block
- potentiometer
- fixing base
- mechanical structure
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- 238000004088 simulation Methods 0.000 title claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims 2
- 238000002357 laparoscopic surgery Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000001356 surgical procedure Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/28—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine
- G09B23/285—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine for injections, endoscopy, bronchoscopy, sigmoidscopy, insertion of contraceptive devices or enemas
Abstract
The invention provides laparoscopic instrument pliers for laparoscopic simulation operation, which comprise two handheld handles, a rotary knob, a clamp rod and a handheld handle opening and closing angle acquisition module, wherein the two handheld handles are connected with the tail parts of the clamp rod through the rotary knob, the two handheld handles can be used for opening and closing operations through pins, the clamp rod can be rotated through the rotary knob, the handheld handle opening and closing angle acquisition module is fixed at the head part of the clamp rod, and the handheld handle opening and closing angle acquisition module is used for acquiring the opening and closing angles of the two handheld handles. In laparoscopic surgery, the instrument forceps need to stretch into the laparoscope, medical staff opens and closes the instrument forceps through two handheld handles of the instrument forceps, and the opening and closing angle of the instrument forceps is related to the force applied by the medical staff.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to laparoscopic instrument forceps for laparoscopic simulation operation.
Background
In the laparoscopic simulation operation training system, laparoscopic instrument forceps are frequently used, the laparoscopic instrument forceps need to be contacted with the internal part of a human body of the laparoscopic simulation operation system, the force degree of medical staff on the laparoscopic instrument forceps can cause different reactions of the internal part of the human body, the force of the medical staff on the laparoscopic instrument forceps is different for different conditions of patients, and the conditions of the patients can be known according to the force of the laparoscopic instrument forceps and different feedback of the internal part of the human body.
At present, the force of the laparoscopic forceps used by medical staff is mostly judged by experience of the medical staff, and no accurate data exists and no accurate basis can be provided for the medical staff.
Disclosure of Invention
The present invention provides a laparoscopic instrument forceps for laparoscopic simulation surgery that overcomes the above-referenced problems or at least partially solves them.
The invention provides laparoscopic instrument pliers for laparoscopic simulation operation, which comprise two handheld handles, a rotary knob, a clamp rod and a handheld handle opening and closing angle acquisition module, wherein the two handheld handles are connected with the tail parts of the clamp rod through the rotary knob, the two handheld handles can be used for opening and closing operations through pins, the clamp rod can be rotated through the rotary knob, and the handheld handle opening and closing angle acquisition module is fixed at the head part of the clamp rod and is used for acquiring the opening and closing angles of the two handheld handles.
The beneficial effects of the invention are as follows: according to the invention, the opening and closing angle acquisition module is added to the head of the traditional instrument forceps, so that the opening and closing angle of the instrument forceps can be detected, the force of medical staff can be detected, and a reference is provided for the accurate force of the medical staff.
On the basis of the technical scheme, the invention can be improved as follows.
Further, the hand-held handle opening and closing angle acquisition module comprises a mechanical structure fixing base, a sliding block cavity is formed in the mechanical structure fixing base, a sliding block cavity cover plate is matched with the sliding block cavity, the sliding block cavity cover plate is used for fixedly covering the sliding block cavity, and the clamp rod penetrates through a through hole formed in the axial direction of the mechanical structure fixing base and a through hole formed in the sliding block cavity cover plate and extends into the sliding block cavity;
the clamp rod is internally provided with a clamp rod inner shaft, one end of the clamp rod inner shaft is connected with one movable handheld handle of the two handheld handles, the other end of the clamp rod inner shaft extends out of the clamp rod and is fixed with a sliding block arranged in the sliding block cavity, the clamp rod inner shaft is provided with a potentiometer, the clamp rod inner shaft in the clamp rod is driven to move through opening and closing of the two handheld handles, the slider fixed with the clamp rod inner shaft is driven to slide in the sliding block cavity, and the potentiometer can acquire the sliding quantity of the slider in the sliding block cavity, so that the opening and closing angle between the two handheld handles is calculated.
Further, the sliding block is provided with a shaft hole along the length direction of the clamp rod, threads are arranged in the shaft hole, and the inner shaft of the clamp rod is screwed into the shaft hole of the sliding block through the threads.
Further, the potentiometer comprises a potentiometer seat and a potentiometer pressing strip, a strip-shaped chute with a certain depth is formed in the potentiometer seat, a shaft pin is vertically arranged in the chute, the shaft pin can slide in the chute, the potentiometer pressing strip is transversely fixed at the bottom of the potentiometer seat, and a plurality of sheet-shaped strips fixedly extend out of the bottom of the potentiometer seat.
Further, the potentiometer seat is placed into a sliding block cavity of the mechanical structure fixing base from the bottom of the mechanical structure fixing base, a hole is formed in the sliding block, the shaft pin in the potentiometer penetrates through the hole of the sliding block, the shaft pin slides in a sliding groove on the potentiometer seat along with the sliding of the sliding block, and the sliding quantity of the shaft pin in the sliding groove is obtained to obtain the sliding quantity of the sliding block in the sliding block cavity;
the two ends of the potentiometer pressing strip are fixed with the bottom of the mechanical structure fixing base through screws, a plurality of sheet strips at the bottom of the potentiometer seat are contacted with the bottom of the mechanical structure fixing base, and the potentiometer pressing strip and the sheet strips are used for fastening the potentiometer in the sliding block cavity.
Further, screw holes are formed in the sliding block cavity cover plate and the mechanical structure fixing base, and the sliding block cavity cover plate penetrates through the screw holes through screws to be fixed with the mechanical structure fixing base.
Further, a fixing clamp spring is respectively arranged at a position close to a through hole where the clamp rod penetrates into the mechanical structure fixing base and a position close to a through hole where the clamp rod penetrates out of the sliding block cavity cover plate, and the mechanical structure fixing base, the clamp rod and the sliding block cavity cover plate are fixed through the fixing clamp spring.
Drawings
FIG. 1 is a schematic view of a laparoscopic instrument forceps for laparoscopic simulation surgery according to one embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the angle acquisition module of the handle of FIG. 1;
FIG. 3 is a bulk view of the angle acquisition module of the handle of FIG. 2;
FIG. 4 is a schematic diagram of the installation of a potentiometer in the hand-held handle opening and closing angle acquisition module;
fig. 5 is a schematic diagram illustrating the cooperation and installation of the potentiometer and the slider in the hand-held handle opening and closing angle acquisition module.
In the drawings, the names of the components represented by the reference numerals are as follows:
A. the device comprises a hand-held handle, a rotary knob, a C, a clamp rod, a D, a hand-held handle opening and closing angle acquisition module, a mechanical structure fixing base, 2, a sliding block cavity, 3, a clamp rod inner shaft, 4, a sliding block, 51, a potentiometer seat, 52, a potentiometer pressing strip, 53, a chute, 54, a shaft pin, 55, a sheet-shaped strip, 6, a fixing clamp spring, 7 and a sliding block cavity cover plate.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
Referring to fig. 1, there is provided a laparoscopic instrument forceps for laparoscopic simulation surgery according to the present invention, which includes two hand handles a, a rotation knob B, a clamp bar C, and a hand handle opening and closing angle acquisition module D. The two handheld handles A are connected with the tail of the clamp rod C through the rotary knob B, the two handheld handles A can be used for opening and closing through the pin, like a common scissors, one handheld handle A is fixed with the pin, the other handheld handle A is movable with the pin, and therefore the two handheld handles A can be opened and closed through the pin. The clamp rod C can be rotated through the rotary knob B, a hand-held handle opening and closing angle acquisition module D is fixed on the head of the clamp rod C, and the hand-held handle opening and closing angle acquisition module D is used for acquiring opening and closing angles of the two hand-held handles A.
When medical staff uses the instrument forceps, the instrument forceps are forced by opening and closing the two handheld handles A, and the opening and closing angle acquisition module D of the handheld handles is added to the head of the instrument forceps, so that the opening and closing angle of the instrument forceps can be acquired, the force degree of the medical staff on the instrument forceps can be estimated, and references and bases are provided for the medical staff to use the instrument forceps.
Referring to fig. 2, the hand-held handle opening and closing angle acquisition module D includes a mechanical structure fixing base 1, a slider cavity 2 is provided on the mechanical structure fixing base 1, and a slider cavity cover plate 7 is matched with the slider cavity 2. The slider cavity cover plate 7 is matched with the slider cavity 2, and the slider cavity cover plate 7 is used for fixedly covering the slider cavity 2. Screw holes are formed in the sliding block cavity cover plate 7 and the mechanical structure fixing base 1, and the sliding block cavity cover plate 7 penetrates through the screw holes through screws to be fixed with the mechanical structure fixing base 1.
Referring to fig. 3, a through hole is formed in the axial direction of the mechanical structure fixing base 1, a matched through hole is formed in the axial direction of the slider cavity cover plate 7, and the clamp rod C extends into the slider cavity 2 through the through hole formed in the axial direction of the mechanical structure fixing base 1 and the through hole formed in the slider cavity cover plate 7.
The clamp rod C is internally provided with a clamp rod inner shaft 3, one end of the clamp rod inner shaft 3 is connected with one movable hand-held handle A of the two hand-held handles A, and the other end of the clamp rod inner shaft extends out of the clamp rod C to be fixed with a sliding block 4 arranged in the sliding block cavity 2. Wherein, a shaft hole is offered along the length direction of clamp lever C to slider 4, is provided with the screw thread in the shaft hole, and clamp lever inner shaft 3 is in the shaft hole of slider 4 through the screw thread screw-in for clamp lever inner shaft 3 and slider 4 are as an organic whole, and the motion of clamp lever inner shaft 3 can drive the slip of slider 4. The potentiometer is equipped with the sliding block 4, the inner shaft 3 of the clamp rod in the clamp rod C is driven to move through the opening and closing of the two handheld handles A, the sliding block 4 fixed with the inner shaft 3 of the clamp rod is driven to slide in the sliding block cavity 2, and the potentiometer can acquire the sliding quantity of the sliding block 4 in the sliding block cavity 2, so that the opening and closing angle between the two handheld handles A is converted.
The potentiometer comprises a potentiometer seat 51 and a potentiometer pressing bar 52, a long-strip-shaped chute 53 with a certain depth is formed in the potentiometer seat 51, a shaft pin 54 is vertically arranged in the chute 53, and the shaft pin 54 can slide in the chute 53. A potentiometer pressing bar 52 is transversely fixed at the bottom of the potentiometer seat 51, and a plurality of sheet strips 55 fixedly extend out of the bottom of the potentiometer seat 51.
Referring to fig. 4 and 5, the potentiometer seat 51 is fixed into the slider cavity 2 of the mechanical structure fixing base 1 from the bottom of the mechanical structure fixing base 1, a hole is formed in the slider 4, and the shaft pin 54 in the potentiometer passes through the hole of the slider 4. In the process of opening and closing the two handheld handles A, the telescopic movement of the clamp rod inner shaft 3 in the clamp rod C is triggered, and as the slide block 4 and the clamp rod inner shaft 3 are fixed into a whole, the movement of the clamp rod inner shaft 3 drives the slide block 4 to slide in the slide block cavity 2, and when the slide block 4 slides in the slide block cavity 2, the hole on the slide block 4 drives the shaft pin 54 to slide in the sliding groove 53 on the potentiometer seat 51, so that the potentiometer can acquire the sliding quantity of the slide block 4 in the sliding cavity 2 by acquiring the sliding quantity of the shaft pin 54. The two ends of the potentiometer pressing strip 52 are fixed with the bottom of the mechanical structure fixing base 1 through screws, to be precise, the two ends of the potentiometer pressing strip 52 are fixed with the bottom positions of the mechanical structure fixing base 1 at two sides of the sliding block cavity 2, and the potentiometer pressing strip 52 firmly presses the potentiometer seat 51 into the sliding block cavity 2. The plurality of sheet strips 55 at the bottom of the potentiometer seat 51 are contacted with the bottom of the mechanical structure fixing base 1, and the sheet strips 55 are also used for firmly pressing the potentiometer into the sliding block cavity 2 so as to fasten the potentiometer into the sliding block cavity 2.
In the sliding process of the sliding block 4 in the sliding block cavity 2, the potentiometer is fixed in the sliding block cavity 2, and only the shaft pin 54 on the potentiometer slides along with the sliding of the sliding block 4, so that the potentiometer can detect the sliding amount of the sliding block 4 in the sliding block cavity 2, namely the movement amount of the inner shaft 3 of the clamp rod in the clamp rod C, through the shaft pin 54 on the potentiometer, and further estimate the opening and closing angle of the handheld handle A of the instrument clamp.
Referring to fig. 5, a fixing clamp spring 6 is respectively disposed at a position close to a through hole where the clamp rod C penetrates into the mechanical structure fixing base 1 and a position close to a through hole where the clamp rod C penetrates out of the slider cavity cover plate 7, and the mechanical structure fixing base 1, the clamp rod C and the slider cavity cover plate 7 are fixed through the fixing clamp spring 6, so that looseness is prevented.
To sum up, the working principle of the laparoscopic instrument forceps provided by the invention is summarized, two handheld handles of the instrument forceps can be opened and closed through pins, the inner shaft of the forceps rod in the forceps rod is fixed with a sliding block positioned in the cavity of the sliding block, and a potentiometer is matched with the sliding block. When an operator uses the instrument forceps, the two handheld handles open and close, the inner shaft of the forceps rod is driven to stretch out and draw back in the forceps rod, and because the sliding block and the inner shaft of the forceps rod are fixed into a whole, when the inner shaft of the forceps rod stretches out and draws back, the sliding block also slides in the sliding block cavity, and the potentiometer can detect the sliding quantity of the sliding block in the sliding block cavity, so that the stretching quantity of the inner shaft of the forceps rod in the forceps rod is detected, the opening and closing angles of the two handheld handles of the instrument forceps are converted, and the opening and closing angles of the two handheld handles also reflect the force applied by the operator to the instrument forceps. According to the laparoscopic instrument forceps provided by the invention, the opening and closing angle acquisition module is added to the head of the traditional instrument forceps, so that the opening and closing angle of the instrument forceps can be accurately detected, the force of medical staff using the instrument forceps can be detected, and a reference and a data basis are provided for the medical staff to accurately use the instrument forceps, so that laparoscopic surgery can be performed better.
Finally, the methods of the present application are only preferred embodiments and are not intended to limit the scope of the invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The laparoscopic instrument forceps for laparoscopic simulation operation is characterized by comprising two handheld handles (A), a rotary knob (B), a clamp rod (C) and a handheld handle opening and closing angle acquisition module (D), wherein the two handheld handles (A) are connected with the tail parts of the clamp rod (C) through the rotary knob (B), the two handheld handles (A) can be used for opening and closing operations through pins, the clamp rod (C) can be rotated through the rotary knob (B), and the handheld handle opening and closing angle acquisition module (D) is fixed at the head part of the clamp rod (C) and is used for acquiring the opening and closing angles of the two handheld handles (A); the handheld handle opening and closing angle acquisition module (D) comprises a mechanical structure fixing base (1), a sliding block cavity (2) is formed in the mechanical structure fixing base (1), a sliding block cavity cover plate (7) is matched with the sliding block cavity (2), the sliding block cavity cover plate (7) is used for fixedly covering the sliding block cavity (2), and the clamp rod (C) penetrates through a through hole formed in the axial direction of the mechanical structure fixing base (1) and a through hole formed in the sliding block cavity cover plate (7) to extend into the sliding block cavity (2);
the clamp rod is characterized in that a clamp rod inner shaft (3) is arranged in the clamp rod (C), one end of the clamp rod inner shaft (3) is connected with one movable of the two handheld handles (A), the other end of the clamp rod inner shaft (3) extends out of the clamp rod (C) to be fixed with a sliding block (4) arranged in the sliding block cavity (2), a potentiometer is arranged on the sliding block (4), the clamp rod inner shaft (3) in the clamp rod (C) is driven to move through opening and closing of the two handheld handles (A), the sliding block (4) fixed with the clamp rod inner shaft (3) is driven to slide in the sliding block cavity (2), and the potentiometer can acquire the sliding quantity of the sliding block (4) in the sliding block cavity (2), so that the opening and closing angle between the two handheld handles (A) is converted;
the sliding block (4) is provided with a shaft hole along the length direction of the clamp rod (C), threads are arranged in the shaft hole, and the inner shaft (3) of the clamp rod is screwed into the shaft hole of the sliding block (4) through the threads;
the potentiometer comprises a potentiometer seat (51) and a potentiometer pressing strip (52), a strip-shaped sliding groove (53) with a certain depth is formed in the potentiometer seat (51), a shaft pin (54) is vertically arranged in the sliding groove (53), the shaft pin (54) can slide in the sliding groove (53), the potentiometer pressing strip (52) is transversely fixed at the bottom of the potentiometer seat (51), and a plurality of sheet-shaped strips (55) fixedly extend out of the bottom of the potentiometer seat (51).
2. Laparoscopic instrument forceps according to claim 1, characterized in that the potentiometer seat (51) is placed into the slide cavity (2) of the mechanical structure fixing base (1) from the bottom of the mechanical structure fixing base (1), a hole is formed in the slide (4), the shaft pin (54) in the potentiometer passes through the hole of the slide (4), the shaft pin (54) slides in a sliding groove (53) on the potentiometer seat (51) along with the sliding of the slide (4), and the sliding amount of the slide (4) in the slide cavity (2) is obtained by obtaining the sliding amount of the shaft pin (54) in the sliding groove (53);
the two ends of the potentiometer pressing strip (52) are fixed with the bottom of the mechanical structure fixing base (1) through screws, a plurality of sheet strips (55) at the bottom of the potentiometer seat (51) are in contact with the bottom of the mechanical structure fixing base (1), and the potentiometer pressing strip (52) and the sheet strips (55) are used for fastening the potentiometer in the sliding block cavity (2).
3. Laparoscopic instrument forceps according to claim 2, characterized in, that screw holes are provided in both the slider cavity cover plate (7) and the mechanical structure fixing base (1), and that the slider cavity cover plate (7) is fixed with the mechanical structure fixing base (1) by screws passing through the screw holes.
4. Laparoscopic instrument forceps according to claim 1, characterized in that a fixing snap spring (6) is arranged at the position close to the through hole of the clamp rod (C) penetrating into the mechanical structure fixing base (1) and at the position close to the through hole of the clamp rod (C) penetrating out of the slider cavity cover plate (7), and the mechanical structure fixing base (1), the clamp rod (C) and the slider cavity cover plate (7) are fixed by the fixing snap spring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811102014.9A CN109064861B (en) | 2018-09-20 | 2018-09-20 | Laparoscopic instrument forceps for laparoscopic simulation operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811102014.9A CN109064861B (en) | 2018-09-20 | 2018-09-20 | Laparoscopic instrument forceps for laparoscopic simulation operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109064861A CN109064861A (en) | 2018-12-21 |
| CN109064861B true CN109064861B (en) | 2024-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811102014.9A Active CN109064861B (en) | 2018-09-20 | 2018-09-20 | Laparoscopic instrument forceps for laparoscopic simulation operation |
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| CN (1) | CN109064861B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109064861A (en) | 2018-12-21 |
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