CN217886126U - Angle-adjustable surgical instrument - Google Patents
Angle-adjustable surgical instrument Download PDFInfo
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- CN217886126U CN217886126U CN202221808040.5U CN202221808040U CN217886126U CN 217886126 U CN217886126 U CN 217886126U CN 202221808040 U CN202221808040 U CN 202221808040U CN 217886126 U CN217886126 U CN 217886126U
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Abstract
The utility model discloses an angle-adjustable surgical instrument, which comprises a working head, a handle and a plurality of connecting pieces, wherein a working component is arranged in the working head; the handle is connected with a connector; the connecting pieces are used for connecting the working head and the connecting head; the connecting piece comprises a connecting seat, a ball head and a connecting rod for connecting the connecting seat and the ball head, and cavities matched with the ball head are formed in the working head and the connecting seats; the utility model discloses a working angle can adjust the angle of work end wantonly under adjustment mechanism's effect to can make the accurate focus region that reachs of work end, operate the focus, it is more convenient accurate to operate.
Description
Technical Field
The utility model relates to the field of surgical instruments, in particular to an angularly adjustable surgical instrument.
Background
Brain tumor is a new organism growing in cranial cavity, also called intracranial tumor and brain cancer, and can originate from brain, meninges, nerves, blood vessels and brain accessories, or is formed by transferring and invading into cranium from other tissues or organs of the body, and can generate headache, intracranial hypertension and focal symptoms;
surgical treatment is the basic treatment method of intracranial tumors at present. The brain tumor surgery is performed by considering the following principles: (1) physiologically allowable; (2) anatomically accessible; (3) the technical possibility; (4) it is much better than the loss and much better than the harm. The wide application of microsurgery in neurosurgery is favorable for cutting pathological tissues which are difficult to identify by naked eyes, and can avoid damaging normal brain tissues.
In most of the current surgical procedures, surgical instruments and endoscopes are generally supported by specialized manual work or bent arms; the number of people in the operating room can be increased through manual support, so that the space is more crowded in the limited operating room, in addition, hands are difficult to adapt to long-time large-scale operations, the arms supported after muscle fatigue are trembled due to overlong time, and operators can hardly see clear and stable images and operation areas. Secondly, the adjustment range of most of the existing arm bending structures in the operating room is limited or adjusted step by step, and the flexibility and the fine adjustment cannot meet the clinical application requirements, so that a surgical instrument capable of adjusting the angle is required to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model provides an angularly adjustable surgical instrument, which can solve the problems pointed out in the background technology.
An angularly adjustable surgical instrument, comprising:
the working head is internally provided with a working assembly;
the handle is connected with a connector;
the connecting pieces are used for connecting the working head and the connecting head;
the connecting piece comprises a connecting seat, a ball head and a connecting rod for connecting the connecting seat and the ball head, and cavities matched with the ball head are formed in the working head and the connecting seats.
Preferably, the working assembly comprises two clamping jaws hinged in the working head, the two clamping jaws are distributed in a staggered manner, a regulating shaft is further arranged in the working head, the two clamping jaws are respectively connected with the regulating shaft through hinged rods, and two ends of each hinged rod are respectively hinged on the clamping jaws and the regulating shaft.
Preferably, the clamping jaw device further comprises an adjusting mechanism, the adjusting mechanism comprises a clamping jaw handle arranged on the handle and a connecting shaft connected with the clamping jaw handle, one end of the connecting shaft is connected with the clamping jaw handle, and the other end of the connecting shaft penetrates through the connecting head and the connecting piece and then extends into the working head to be connected with the adjusting shaft;
the handle is provided with a yielding groove I for yielding the clamping jaw handle.
Preferably, the angle adjusting mechanism comprises a plurality of adjusting groups distributed circumferentially, each adjusting group comprises a connecting wire and a sliding block assembly connected with the connecting wire, the sliding block assemblies are arranged on the handle in a sliding mode, and the connecting wires penetrate through the connecting head and the connecting pieces and are connected with the working head.
Preferably, the slider component comprises an adjusting rod, a slider and a first spring, the handle is provided with a sliding chute matched with the slider component, the slider is arranged in the sliding chute in a sliding mode, one part of the adjusting rod protrudes out of the sliding chute, the slider is provided with a convex block, the adjusting rod is provided with a groove matched with the convex block, and two ends of the first spring are respectively connected with the adjusting rod and the slider.
Preferably, the angle adjusting mechanism comprises four adjusting groups distributed circumferentially.
Preferably, the end part of the connecting shaft connected with the adjusting shaft is hook-shaped.
Preferably, the second spring is sleeved on the connecting rod.
Preferably, the side of the adjusting rod is provided with a limiting block, and the wall of the sliding groove is provided with a plurality of groups of elastic ratchets for blocking the limiting block.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a working angle can adjust the angle of work end (clamping jaw) wantonly under adjustment mechanism's effect to can make the accurate focus region that reachs of work end, operate the focus, it is more convenient accurate to operate.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
fig. 3 is a partially enlarged view of a portion a of fig. 2 according to the present invention;
fig. 4 is a partial enlarged view of the position B in fig. 2 according to the present invention;
fig. 5 is a schematic structural view of the clamping jaw of the present invention;
fig. 6 is a schematic structural view of the handle of the present invention;
fig. 7 is a schematic structural view of the working assembly of the present invention;
fig. 8 is a schematic structural view of the adjusting lever of the present invention.
Description of reference numerals:
1-working head, 2-handle, 3-connector, 4-connecting piece, 41-connecting seat, 42-ball head, 43-connecting rod, 44-spring II, 5-clamping jaw, 6-adjusting shaft, 7-hinged rod, 8-clamping jaw handle, 9-connecting shaft, 10-abdicating groove I, 11-connecting wire, 12-adjusting rod, 13-sliding block, 14-spring I, 15-sliding groove, 16-elastic ratchet and 17-limiting block.
Detailed Description
In the following, an embodiment of the present invention is described in detail with reference to the drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.
As shown in fig. 1 to 8, an angularly adjustable surgical instrument provided in an embodiment of the present invention includes:
the working head 1 is internally provided with a working assembly;
the handle 2 is connected with a connector 3;
the connecting pieces 4 are used for connecting the working head 1 and the connecting head 3;
the connecting piece comprises a connecting seat 41, a ball head 42 and a connecting rod 43 for connecting the connecting seat 41 and the ball head 42, and cavities matched with the ball head 42 are formed in the working head 1 and the connecting seats 41;
this application technical scheme is not only applicable to surgical forceps, still is applicable to apparatuses such as some surgical plane sword, and the surgical forceps of work is got in the realization for example to this embodiment, as follows:
the working assembly comprises two clamping jaws 5 hinged in the working head 1, the two clamping jaws 5 are distributed in a staggered manner, an adjusting shaft 6 is further arranged in the working head 1, the two clamping jaws 5 are respectively connected with the adjusting shaft 6 through hinge rods 7, and two ends of each hinge rod 7 are respectively hinged on the clamping jaws 5 and the adjusting shaft 6;
the clamping jaw adjusting mechanism comprises a clamping jaw handle 8 arranged on the handle 2 and a connecting shaft 9 connected with the clamping jaw handle 8, one end of the connecting shaft 9 is connected with the clamping jaw handle 8, and the other end of the connecting shaft 9 penetrates through the connecting head 3 and the connecting piece 4 and then extends into the working head 1 to be connected with the adjusting shaft 6; the handle 2 is provided with a yielding groove I10 for yielding the clamping jaw handle 8;
in order to solve the problem that the angle of the arm tube structure of the operating room is inconvenient to adjust, the device further comprises an angle adjusting mechanism, the angle adjusting mechanism comprises a plurality of adjusting groups which are distributed circumferentially, each adjusting group comprises a connecting wire 11 and a sliding block assembly connected with the connecting wire 11, the sliding block assemblies are arranged on the handle 2 in a sliding mode, and the connecting wires penetrate through the connecting head 3 and the connecting pieces 4 and are connected with the working head 1;
the sliding block assembly comprises an adjusting rod 12, a sliding block 13 and a first spring 14, a sliding groove 15 matched with the sliding block assembly is formed in the handle 2, the sliding block 13 is arranged in the sliding groove 15 in a sliding mode, a part of the adjusting rod 12 protrudes out of the sliding groove 15, a convex block is arranged on the sliding block 13, a groove matched with the convex block is formed in the adjusting rod 12, and two ends of the first spring 14 are connected with the adjusting rod 12 and the sliding block 13 respectively;
in order to realize the adjustment in four directions of up, down, left and right, angle adjustment mechanism includes four above-mentioned regulation groups of circumference distribution.
As shown in fig. 8, the end of the connecting shaft 9 connected to the adjusting shaft 6 is hook-shaped;
in order to make the surgical instrument have better flexibility, the second spring 44 is sleeved on the connecting rod 43.
In order to facilitate the positioning of the position of the adjusting rod 12 and prevent the occurrence of the situation that the body of a patient is damaged due to the fact that the adjusting angle is too large caused by the mistake of the hand, the side edge of the adjusting rod 12 is provided with a limiting block 17, the wall of the chute 15 is provided with a plurality of groups of elastic ratchets 16 used for blocking the limiting block 17, and the elastic ratchets 16 can deform so as to provide certain resistance and prevent the adjusting rod 12 from being completely blocked.
The working principle is as follows: when the surgical instrument works, the instrument enters the human cranium from an operation channel formed by the retractor, the accurate position of a focus is observed through an endoscope, the instrument is slightly adjusted through the adjusting rod 12 on the adjusting handle 2 to accurately reach the focus area, and then the focus is operated through the clamping jaw handle 8 on the handle 2;
when adjusting, four regulation poles 12 are corresponding to four directions, promote corresponding regulation pole 12 to remove according to the demand, drag or promote the work head 1 that is located the surgical instruments head through connecting wire 11 and remove, reach the purpose of adjusting the position, multiunit elasticity ratchet 16 in the spout 15 can block stopper 17, make the removal in-process of adjusting pole 12 have a plurality of damping points, be convenient for slight angle regulation, loosen and adjust the pole 12 back, spring two 44 can contradict and fix regulation pole 12 on adjusting pole 12, prevent that the angle from changing, doctor's hand has also been liberated, make that doctor can be better do the operation.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.
Claims (9)
1. An angularly adjustable surgical instrument, comprising:
the working head is internally provided with a working assembly;
the handle is connected with a connecting head;
the connecting pieces are used for connecting the working head and the connecting head;
the connecting piece comprises a connecting seat, a ball head and a connecting rod for connecting the connecting seat and the ball head, and cavities matched with the ball head are formed in the working head and the connecting seats.
2. The angularly adjustable surgical instrument of claim 1, wherein the working assembly comprises two jaws hinged in the working head, the two jaws are distributed alternately, the working head further comprises an adjusting shaft, the two jaws are connected with the adjusting shaft through hinged rods, and two ends of the hinged rods are hinged on the jaws and the adjusting shaft respectively.
3. The surgical instrument with the adjustable angle as claimed in claim 2, further comprising an adjusting mechanism, wherein the adjusting mechanism comprises a clamping jaw handle arranged on the handle and a connecting shaft connected with the clamping jaw handle, one end of the connecting shaft is connected with the clamping jaw handle, and the other end of the connecting shaft penetrates through the connecting head and the connecting piece and then extends into the working head to be connected with the adjusting shaft;
the handle is provided with a yielding groove I for yielding the clamping jaw handle.
4. The angularly adjustable surgical instrument of claim 1, further comprising an angle adjusting mechanism, wherein the angle adjusting mechanism comprises a plurality of adjusting groups distributed circumferentially, each adjusting group comprises a connecting wire and a sliding block assembly connected with the connecting wire, the sliding block assembly is slidably arranged on the handle, and the connecting wire penetrates through the connecting head and the connecting pieces and is connected with the working head.
5. The surgical instrument with adjustable angle of claim 4, wherein the sliding block assembly comprises an adjusting rod, a sliding block and a first spring, the handle is provided with a sliding groove matched with the sliding block assembly, the sliding block is slidably arranged in the sliding groove, a part of the adjusting rod protrudes out of the sliding groove, the sliding block is provided with a convex block, the adjusting rod is provided with a groove matched with the convex block, and two ends of the first spring are respectively connected with the adjusting rod and the sliding block.
6. An angularly adjustable surgical instrument as claimed in claim 4, wherein the angular adjustment mechanism comprises four circumferentially distributed adjustment groups.
7. An angularly adjustable surgical instrument as claimed in claim 3, wherein the ends of said connecting shaft connected to said adjusting shaft are hook-shaped.
8. The adjustable angle surgical instrument of claim 1, wherein the second spring is sleeved on the connecting rod.
9. The angle-adjustable surgical instrument as claimed in claim 5, wherein the adjusting rod has a limiting block at a side thereof, and a plurality of sets of elastic ratchets for blocking the limiting block are provided on a wall of the sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221808040.5U CN217886126U (en) | 2022-07-13 | 2022-07-13 | Angle-adjustable surgical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221808040.5U CN217886126U (en) | 2022-07-13 | 2022-07-13 | Angle-adjustable surgical instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217886126U true CN217886126U (en) | 2022-11-25 |
Family
ID=84134333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221808040.5U Active CN217886126U (en) | 2022-07-13 | 2022-07-13 | Angle-adjustable surgical instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217886126U (en) |
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2022
- 2022-07-13 CN CN202221808040.5U patent/CN217886126U/en active Active
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