CN217853202U

CN217853202U - Universal shaping fan-shaped pliers

Info

Publication number: CN217853202U
Application number: CN202221698111.0U
Authority: CN
Inventors: 廖贻达
Original assignee: Sichuan Academy Of Medical Sciences Sichuan Provincial People's Hospital
Current assignee: Sichuan Academy Of Medical Sciences Sichuan Provincial People's Hospital
Priority date: 2022-04-11
Filing date: 2022-07-04
Publication date: 2022-11-22
Anticipated expiration: 2032-07-04

Abstract

The utility model relates to the field of medical equipment, in particular to universal shaping fan-shaped forceps, which comprise a fan-shaped forceps head, a handheld part and an operation control arm for extending into the body of a patient, wherein the fan-shaped forceps head is connected with the end part of the extending section of the operation control arm, and the handheld part is connected with the end part of the outer section of the operation control arm; the hand-held part is matched with the operation control arm to control the fan-shaped tong head to act; the operating control arm can be shaped to bend such that the operating control arm extending into the patient can form different paths to the target area. A universal design fan-shaped pincers, will the operation control arm sets up to the flexible moulding for, stretch into the patient internal the operation control arm can be more nimble reach the target area. Thus facilitating the operation of medical personnel and improving the treatment effect.

Description

Universal shaping fan-shaped pliers

Technical Field

The utility model relates to the field of medical equipment, especially, relate to an universal design fan-shaped pincers.

Background

Minimally invasive surgery, as the name implies, is minimally invasive surgery. Refers to an operation performed by using modern medical instruments such as laparoscope, thoracoscope and the like and related equipment. Minimally invasive surgery has the advantages that small trauma, light pain and quick recovery are the dream of every patient needing surgery, and the dream is realized by the minimally invasive surgery.

At present, the implementation of minimally invasive surgery is more and more extensive in clinic, and along with the development of the minimally invasive surgery, a batch of surgical instruments used in the minimally invasive surgery are correspondingly produced.

The fan-shaped forceps are mainly used for abdominal minimally invasive surgery, are instruments for pushing away tissue organs and increasing the exposure of the surgical field, and can increase the contact area and improve the exposure efficiency when a plurality of blades of the fan-shaped forceps are unfolded. Present fan-shaped pincers still exist not enoughly, and the operation arm of this type of fan-shaped pincers is rigid straight arm, and it can only stretch into along the straight line and trade internally, and in practical application, because the internal environment of patient is comparatively complicated, rigid straight arm operation is inconvenient, is unfavorable for the smooth progress of operation.

Therefore, there is a need for a more flexible sector clamp that solves the above-mentioned problems of the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: aiming at the problems that the operation arm of the fan-shaped forceps used in the minimally invasive surgery in the prior art is a rigid straight arm which can only stretch into the body along a straight line, and in practical application, because the internal environment of a patient is complex, the straight-arm fan-shaped forceps are not flexible and are easy to be put on a shelf with other instruments, the universal shaping fan-shaped forceps are provided.

In order to realize the purpose, the utility model discloses a technical scheme be:

a universal sizing sector forceps comprises a sector forceps head, a handheld part and an operation control arm extending into the body of a patient, wherein the sector forceps head is connected with the end part of an extending section of the operation control arm, and the handheld part is connected with the end part of the outer section of the operation control arm; the handheld part is matched with the operation control arm to control the fan-shaped tong head to act; the operating control arm can be shaped to bend such that the operating control arm extending into the patient can form different paths to the target area.

Preferably, the operation control arm can be bent and shaped in any direction.

Preferably, the operation control arm comprises a universal tube, and the interior of the universal tube is provided as a hollow structure.

Preferably, the universal tube comprises a first shaping section and a second shaping section, the end of the first shaping section is connected with the fan-shaped forceps head, the end of the second shaping section is connected with the handheld part, and the diameter of the first shaping section is smaller than that of the second shaping section.

Preferably, the proportion of the length of the first shaping segment on the gimbal is less than 1/10.

Preferably, a transition section is arranged between the connection parts of the first shaping section and the second shaping section, and the transition section is used for enabling the convex outer wall of the second shaping section to be in linear transition to the outer wall of the first shaping section.

Preferably, a support section is arranged on the second shaping section, and the support is made of a hard material and used for reducing the deformable length of the second shaping section and improving the overall strength of the universal pipe.

Preferably, the support section may be fixed at any position radially of the second shaping section.

Preferably, the length of the support section is set to be 3/10 of the length of the second shaping section.

Preferably, the universal pipe and the outer wall of the support section are further sleeved with protective sleeves, and the protective sleeves are used for preventing body fluid of a patient from wetting the universal pipe and/or the support section.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. a universal design fan-shaped pincers, will the operation control arm sets up to the flexible moulding for, stretch into the patient internal the operation control arm can be more nimble reach the target area. Thus facilitating the operation of medical personnel and improving the treatment effect;

2. the universal shaping sector pliers of the utility model are characterized in that the universal pipe comprises a first shaping section and a second shaping section, the end part of the first shaping section is connected with the sector pliers head, the end part of the second shaping section is connected with the handheld part, and the diameter of the first shaping section is smaller than that of the second shaping section; setting a diameter of the first shaping segment to be smaller than a diameter of the second shaping segment. Therefore, when the novel surgical instrument is used, the action amplitude generated by the first shaping section is smaller, so that the first shaping section which is closer to a surgical site can be effectively prevented from damaging tissues or organs of a patient, and the safety of the novel surgical instrument in clinical use is improved; on the other hand, after the first shaping section is set to be smaller in diameter, the first shaping section can be shaped more accurately, and after the operation control arm extends in place, the fan-shaped forceps head can be aligned to the operation position more accurately, so that the treatment effect of the novel forceps is further improved;

3. a universal design fan-shaped pincers be provided with the support section in the moulding section of second, support and make by hard material, can restrict the deformation in the moulding section of some second, reduced the deformable length in the moulding section of second has improved the holistic intensity of universal pipe is avoided with this operation control arm is being stretched into the internal in-process of patient and is being out of shape, causes on the unable arrival predetermined operation position of fan-shaped binding clip, influence the problem of patient's treatment, further improved this novel reliability in clinical use.

Drawings

FIG. 1 is a schematic structural view of one embodiment of a universal sizing sector clamp as described in example 1;

FIG. 2 is a schematic view showing the structure of a universal-joint shaping sector clamp according to embodiment 2

FIG. 3 is a schematic structural view of another embodiment of the universal styling sector clamp described in example 1;

fig. 4 is a schematic structural diagram of a shown in fig. 3.

The labels in the figure are: 1-fan-shaped tong head, 2-handheld part, 3-operation control arm, 4-universal pipe, 5-first shaping section, 6-second shaping section, 7-transition section, 8-supporting section, 9-protective sleeve, 10-metal shaping pipe, 11-protective sleeve and 12-transmission line.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Example 1

As shown in fig. 1, fig. 3 and fig. 4, the universal sizing sector forceps of the present invention comprises a sector forceps head 1, a handheld portion 2 and an operation control arm 3 for extending into the body of a patient, wherein the sector forceps head 1 is connected with the end of the extending section of the operation control arm 3, and the handheld portion 2 is connected with the end of the external section of the operation control arm 3; the hand-held part 2 is matched with the operation control arm 3 to control the fan-shaped tong head 1 to act; the operation control arm 3 can be curved to shape so that the operation control arm 3 extending into the patient can form different paths to reach the target area.

Adopt this neotype a universal design fan-shaped pincers, will operation control arm 3 sets up to the moulding of flexible for, stretch into patient internal operation control arm 3 can be more nimble reach the target area. Thus facilitating the operation of medical personnel and improving the treatment effect.

In particular, in the embodiment, the inventor considers that the sector forceps used in the minimally invasive surgery in the prior art mostly adopt double joints and are long, the flexibility of the sector forceps is greatly improved compared with that of an open instrument when the sector forceps are operated in the internal environments of the thoracic cavity, the abdominal cavity and the like of a human body, and the basic requirements of the minimally invasive surgery are met. However, the operating arm of the fan-shaped forceps is a rigid straight arm which can only extend into the body of the patient along a straight line, and in practical application, because the internal environment of the patient is complex, the operating arm of the fan-shaped forceps can be blocked by tissues or organs in the body of the patient under most conditions, so that the operation of medical personnel is influenced, and the operation of the fan-shaped forceps is not favorable for timely treatment of the patient in an operation; therefore, in this embodiment, the inventor sets the operation control arm 3 to be bendable and shaped, and when in use, the operation control arm 3 is shaped according to the position relationship of the organs or tissues of the patient on the extending path, so that the operation control arm 3 extending into the body of the patient can reach the target area more flexibly, which facilitates the operation of medical staff and improves the treatment effect.

In the present invention, the operation of the fan-shaped tong head is controlled by the transmission device of the transmission line 12. The transmission line 12 transmission device comprises a transmission line 12, the transmission line 12 is arranged inside the operation control arm 3, one end of the transmission line 12 is connected with the handheld part 2, the other end of the transmission line is connected with the control pull plate, a positioning column is arranged on the connection control pull plate, and a sliding groove is formed in a blade of the fan-shaped tong head. When the hand-held part is opened, the transmission line 12 is contracted to enable the control pulling plate to rotate along the fixed shaft of the control pulling plate, the positioning column starts to slide along the sliding groove, and the clamp head of the fan-shaped clamp is opened. The control pulling plate is also provided with a reset elastic sheet, when the hand-held part is closed, the control pulling plate returns to the initial position under the driving of the reset elastic sheet, and the clamp head of the fan-shaped clamp is closed. The universal shaping pipe comprises a protection sleeve 11 and a metal shaping pipe 10, the protection sleeve 11 is of a hollow tubular structure, the protection sleeve 11 is a composite metal pipe formed by winding and coating a metal spring steel wire and a galvanized iron wire, and the protection sleeve 11 is used for shaping; the metal shaping pipe 10 is arranged in the protective sleeve 11, the metal shaping pipe 10 can be bent along with the protective sleeve 11, and the metal shaping pipe 10 is a metal hose. The inside transmission line 12 that contains of metal sizing pipe 10, transmission line 12 is the stainless steel cable, transmission line 12 with the binding clip links to each other, and the tractive the transmission line 12 enables the binding clip opens and shuts.

As a preferred embodiment, based on the above manner, further, the operation control arm 3 can be curved and shaped in any direction. By adopting the structure, the operation control arm 3 has higher degree of freedom to cope with more complex conditions in the body of a patient, the flexibility of the operation control arm 3 is further improved, the operation of medical personnel is facilitated, and the treatment effect is further improved.

As a preferred embodiment, on the basis of the above manner, further, the operation control arm 3 includes a universal pipe 4, and the interior of the universal pipe 4 is configured as a hollow structure.

In this embodiment, the inventor sets the inside of the universal pipe 4 to be a hollow structure, and on one hand, a control assembly for controlling the fan-shaped binding clip 1 can be arranged in the cavity of the universal pipe 4, so that the novel structure is more excellent. Meanwhile, the structure can also play a role in protection, so that the body fluid of a patient is prevented from eroding the control assembly, and the reliability of the novel device in clinical use is improved; on the other hand, the hollow universal tube 4 also provides a passage for other auxiliary components to extend into. For example, the lighting component, the suction unit, etc. can all extend into the body of the patient from the cavity of the universal tube 4 to assist the medical staff in operation, thereby enabling the operation to be carried out more smoothly and further improving the treatment effect.

As a preferred embodiment, based on the above manner, further, the universal tube 4 includes a first shaping section 5 and a second shaping section 6, an end of the first shaping section 5 is connected to the segment bit 1, an end of the second shaping section 6 is connected to the hand-held portion 2, and a diameter of the first shaping section 5 is smaller than a diameter of the second shaping section 6.

In the present embodiment, the inventor considers that in minimally invasive surgery, the closer to the surgical site, the finer the operation is, so as to avoid damaging important tissues or organs around the surgical site, which causes complications in the surgery. Based on this, the inventors set the diameter of the first shaping segment 5 to be smaller than the diameter of the second shaping segment 6 in the present embodiment. Therefore, when the novel plastic injection machine is used, the action amplitude generated by the first shaping section 5 is smaller, so that the problems are effectively avoided, and the safety of the novel plastic injection machine in clinical use is improved; on the other hand, with first moulding section 5 sets up to less direct back, makes it carry out more accurate moulding, operation control arm 3 stretches into the back that targets in place, fan-shaped binding clip 1 can be more accurate the alignment operation position, has further improved this neotype treatment again.

As a preferred embodiment, based on the above manner, further, the ratio of the length of the first shaping segment 5 on the universal pipe 4 is less than 1/10.

In the embodiment, the inventor considers that, although the first shaping section 5 with a smaller diameter can provide the above benefits, the first shaping section 5 still has a disadvantage that, if the length of the first shaping section 5 is too long, the first shaping section 5 is easily deformed in the process of extending into the patient, so that the fan-shaped forceps head 1 deviates from a correct working area, which affects the operation of the medical staff. Therefore, in the present embodiment, the ratio of the length of the first shaping segment 5 on the universal pipe 4 is set by the inventor to be less than 1/10. The strength of the first shaping section 5 is ensured, and the reliability of the novel shaping section in clinical application is improved.

As a preferred embodiment, on the basis of the above manner, further, a transition section 7 is disposed between the connection portions of the first shaping section 5 and the second shaping section 6, and the transition section 7 is used for linearly transitioning the convex outer wall of the second shaping section 6 to the outer wall of the first shaping section 5.

In the present embodiment, the inventor considers that the diameter of the first shaping segment 5 is set smaller than the diameter of the second shaping segment 6. An offset exists between the side wall of the first shaping segment 5 and the side wall of the second shaping segment 6, and in the process of continuously inserting the universal tube 4, the tissue or organ of the patient can be damaged due to the unsmooth side wall of the universal tube 4. Based on this, the inventor provides a transition section 7 between the connection part of the first shaping section 5 and the second shaping section 6, and the transition section 7 is used for making the convex outer wall of the second shaping section 6 linearly transition to the outer wall of the first shaping section 5. Therefore, the integral side wall of the universal pipe 4 is smoother, and the safety of the novel universal pipe in clinical use is further improved.

Example 2

As shown in fig. 2, the universal shaping sector pliers of the present invention, on the basis of the above-mentioned manner, further, the second shaping section 6 is provided with a support section 8, the support is made of hard material, and is used for reducing the deformable length of the second shaping section 6, and improving the overall strength of the universal tube 4.

In the present embodiment, the inventor considers that, in the above solution, the operation control arm 3 is configured to be bent and shaped in any direction, so that the operation control arm 3 extending into the patient can avoid normal tissues or organs in the patient. Thus facilitating the operation of medical personnel and improving the treatment effect. However, the operation control arm 3 is still insufficient, in order to adapt to the characteristics of the minimally invasive surgery, and is usually configured to be relatively slender, so that it is easy to deform in the process of extending into the body of the patient, and the fan-shaped forceps head 1 cannot reach the predetermined surgical site, which affects the treatment of the patient. Therefore, in this embodiment, the inventor sets a support section 8 on the second shaping section 6, the support is made of a hard material, and can limit the deformation of a part of the second shaping section 6, reduce the deformable length of the second shaping section 6, and improve the overall strength of the universal tube 4, thereby avoiding the above problems and further improving the reliability of the present invention in clinical use.

As a preferred embodiment, based on the above manner, further, the supporting section 8 can be fixed at any position in the radial direction of the second shaping section 6. Adopt this kind of structure setting, in use medical personnel can be according to actual conditions to the weak position of the moulding section 6 of second reinforces, has further improved this novel reliability in clinical use.

As a preferred embodiment, based on the above manner, further, the length of the supporting section 8 is set to be 3/10 of the length of the second shaping section 6. By adopting the structure, the second shaping section 6 has enough deformation freedom, and the support section 8 can ensure that the second shaping section 6 has enough strength integrally after being fixed. The reliability of the novel model in clinical use is further improved.

Example 3

As shown in fig. 1 and 2, a universal design fan-shaped pincers, on the basis of above-mentioned mode, it is further, universal pipe 4 reaches it is equipped with protective sheath 9 still to overlap on the outer wall of support section 8, protective sheath 9 is used for preventing that patient's body fluid from soaking universal pipe 4 and/or support section 8 has improved this new life, has also avoided cross infection's risk simultaneously, has further improved this novel security in clinical use.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A universal sizing sector forceps is characterized by comprising a sector forceps head, a handheld part and an operation control arm extending into the body of a patient, wherein the sector forceps head is connected with the end part of an extending section of the operation control arm; the handheld part is matched with the operation control arm to control the fan-shaped tong head to act; the operating control arm can be shaped to bend such that the operating control arm extending into the patient can form different paths to the target area.

2. The universal styling fan-shaped forceps according to claim 1, wherein the manipulation control arms can be bent and shaped in any direction.

3. The universal sizing sector clamp according to claim 2, wherein the manipulation control arm comprises a universal tube, the interior of which is provided as a hollow structure.

4. The universal sizing sector wrench according to claim 3, wherein the universal tube includes a first shaping section having an end connected to the segment head and a second shaping section having an end connected to the hand-held portion, the first shaping section having a diameter smaller than the second shaping section.

5. The universal sizing sector clamp according to claim 4, wherein the ratio of the length of the first shaping segment to the length of the universal tube is less than 1/10.

6. The universal shaping sector forceps according to claim 5, wherein a transition section is disposed between the connection points of the first shaping section and the second shaping section, and the transition section is used for linearly transitioning the convex outer wall of the second shaping section to the outer wall of the first shaping section.

7. The universal shaping sector tong of any one of claims 4 to 6, wherein the second shaping section is provided with a support section, and the support is made of a hard material and is used for reducing the deformable length of the second shaping section and improving the overall strength of the universal pipe.

8. The universal sizing sector clamp according to claim 7, wherein the support section is fixable at any position radially of the second shaping section.

9. The universal sizing sector clamp according to claim 8 wherein the length of the support section is set to be 3/10 of the length of the second shaping section.

10. The universal sizing sector clamp according to claim 3, wherein the universal tube comprises an outer tube and an inner tube, the outer tube is of a hollow tubular structure, the outer tube is a composite metal tube formed by winding and coating a metal spring steel wire and a galvanized iron wire, and the outer tube is used for shaping; the inner pipe is arranged in the outer pipe, the inner pipe can be bent along with the outer pipe, and the inner pipe is a metal hose; the inner pipe is internally provided with a transmission line which is a stainless steel rope, the transmission line is connected with the fan-shaped tong head, and the transmission line is pulled to open and close the fan-shaped tong head.