CN220124764U - Surgical forceps - Google Patents

Abstract

The embodiment of the utility model relates to the field of medical appliances, in particular to a pair of surgical forceps, which comprises a handle, wherein an installation cavity is formed in the handle, and one end of the handle is provided with an extension port communicated with the installation cavity; the clamping jaw comprises two clamping bodies and an opening part, one ends of the two clamping bodies are connected, the connecting ends of the clamping jaw are slidably arranged in the handle through the extending openings, and the opening part is arranged between the two clamping bodies to drive the extending ends of the clamping bodies to be far away from each other; the driving part is arranged in the handle to drive the clamp to stretch and retract; the adjusting part is used for adjusting the extending length of the clamp, adjusting the extending length of the clamp through the adjusting part, realizing the effect of adjusting the opening degree of the clamp according to the difference of the size of the foreign matters, effectively improving the practicability of the surgical clamp, and simultaneously, adjusting the opening degree of the clamp, so that the condition that the foreign matters are clamped out is met, the condition that the opening degree of the clamp is too large to cause accidental injury is avoided during operation, and the surgical clamp is more convenient to use.

Description

Surgical forceps

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a pair of surgical forceps.

Background

The basic surgical forceps refer to medical instruments for forceps surgical operations such as common hemostatic forceps, tissue forceps, hard alloy inserted needle holding forceps, common needle holding forceps and the like, and generally have two types, wherein the two types of medical instruments are formed by two connected sheets, and the head part is a forceps beak; or consists of a head, a rod and a handle, wherein the head is a pair of blades with forceps beaks, and is generally made of stainless steel materials and used for clamping tissues.

In the prior art, the opening size of the surgical forceps is manually controlled by an operator, however, when the use environments are different, the operation spaces are different, the surgical forceps are easy to accidentally hurt wounds when the opening and closing ranges of the surgical forceps are large, and the surgical forceps are inconvenient to use.

Disclosure of Invention

The utility model provides a pair of surgical forceps, which aims to solve the problem that the opening size of the surgical forceps is manually controlled by an operator to easily cause accidental wounds.

The utility model provides a pair of surgical forceps, which adopts the following technical scheme:

the handle is provided with an installation cavity, and one end of the handle is provided with an extension port communicated with the installation cavity;

the clamping jaw comprises two clamping bodies and an opening part, one ends of the two clamping bodies are connected, the connecting end of the clamping jaw is slidably arranged in the handle through the extending opening, and the opening part is arranged between the two clamping bodies to drive the extending ends of the clamping bodies to be far away from each other;

a driving part arranged in the handle to drive the clamp to stretch and retract;

and the adjusting part is used for adjusting the extending length of the clamping jaw.

Optionally, the driving part includes:

the driving block is arranged in the mounting cavity in a sliding manner along the length direction of the handle;

the handle is provided with a sliding hole along the length direction of the handle, and the operating block is arranged in the sliding hole in a sliding manner and is fixedly connected with the driving block;

the driving source is arranged in the mounting cavity and used for driving the driving block to slide towards one side close to the extending opening.

Optionally, the adjusting part includes:

the screw rod is coaxially arranged on the driving block along the axial direction of the handle, the screw rod is arranged along the axial direction of the handle, one end of the screw rod is fixedly connected with the extending end of the clamping jaw, and the other end of the screw rod coaxially extends into the through hole;

the adjusting piece is coaxially arranged at one end, close to the extension port, of the driving block in a rotating mode, a threaded hole is formed in the adjusting piece along the axis direction of the handle, and the screw rod is in threaded connection with the adjusting piece through the threaded hole.

Optionally, an operation port is formed in the handle, and an operation door matched with the operation port is further arranged.

Optionally, a latch component for limiting the opening and closing of the operation door is arranged on the handle.

Optionally, a limiting ring for limiting the sliding of the driving block is arranged on the inner wall of the mounting cavity.

Optionally, the flare includes:

the elastic piece is arranged between the two clamp bodies to drive the extending ends of the two clamp bodies to be away from each other;

and the two mounting grooves are respectively arranged on the side walls of the two clamp bodies, which are close to each other, so that the elastic piece can be mounted.

Optionally, a limiting piece for limiting the jaw from falling off is arranged on the jaw.

In summary, the utility model has the following beneficial technical effects:

the utility model provides a surgical clamp, which comprises a handle with an opening at one end, a clamp extending through an extending opening and a driving part for controlling the extension of the clamp, wherein the handle is internally provided with a regulating part for controlling the extension of the clamp, the clamp is extended into an area to be clamped through the handle during operation, a foreign object to be clamped is placed between two clamp bodies, then the clamp is driven to retract inwards by the driving part, the two clamp bodies are mutually close under the constraint of the extending opening, the foreign object to be clamped can be clamped, then the foreign object can be taken out, when the opening of the clamp is not matched with the size of the foreign object, the extending length of the clamp is regulated through the regulating part, wherein the longer the extending length of the clamp is, the larger the opening of the two clamp can be opened, the shorter the extending length of the clamp is, the opening of the two clamp can be opened is smaller, so that the effect of regulating the opening of the clamp according to the different sizes of the foreign object is realized, the practicability of the surgical clamp is effectively improved, and simultaneously the opening of the clamp is regulated, so that the clamp is more convenient to use when the opening of the clamp is easy to be used when the opening of the clamp is not matched with the size of the foreign object.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a pair of forceps according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a pair of forceps according to an embodiment of the utility model;

FIG. 3 is an enlarged view of portion A of FIG. 2 in accordance with one embodiment of the present utility model;

fig. 4 is an enlarged view of portion B of fig. 2 in accordance with an embodiment of the present utility model.

Icon: 1. a handle; 11. a mounting cavity; 12. an outlet; 13. an operation port; 14. an operation door; 15. a latch assembly; 2. a jaw; 21. a clamp body; 22. an opening portion; 23. an elastic member; 3. a driving section; 31. a driving block; 32. an operation block; 33. a driving source; 4. an adjusting section; 41. a screw; 42. an adjusting member.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

The utility model is described in further detail below with reference to fig. 1-4.

Examples

The embodiment of the utility model discloses a surgical clamp.

The basic surgical forceps refer to medical instruments for forceps surgical operations such as common hemostatic forceps, tissue forceps, hard alloy inserted needle holding forceps, common needle holding forceps and the like, and generally have two types, wherein the two types of medical instruments are formed by two connected sheets, and the head part is a forceps beak; or consists of a head, a rod and a handle, wherein the head is a pair of blades with forceps beaks, and is generally made of stainless steel materials and used for clamping tissues.

In the prior art, the opening size of the surgical forceps is manually controlled by an operator, however, when the use environments are different, the operation spaces are different, the surgical forceps are easy to accidentally hurt wounds when the opening and closing ranges of the surgical forceps are large, and the surgical forceps are inconvenient to use.

In view of the above, an embodiment of the utility model provides a pair of surgical forceps.

Referring to fig. 1 and 2, the surgical forceps comprise a handle 1, wherein an installation cavity 11 is formed in the handle 1, and one end of the handle 1 is provided with an extension port 12 communicated with the installation cavity 11; in some embodiments, the handle 1 is cylindrical, the installation cavity 11 is coaxially arranged in the handle 1, the extension port 12 is arranged at the end of the handle 1 and is communicated with the installation cavity 11, and one end far away from the extension port 12 is closed.

Referring to fig. 2, the jaw 2 includes two clamp bodies 21 and an opening portion 22, one ends of the two clamp bodies 21 are connected, the connecting end of the jaw 2 is slidably disposed in the handle 1 through the extension port 12, and the opening portion 22 is disposed between the two clamp bodies 21 to drive the extension ends of the clamp bodies 21 away from each other; in some embodiments, one end of the jaw 2 is separated from the other end and the other ends are hinged, when the movable ends of the two jaw bodies 21 are in contact with each other, the width of the movable end of the jaw body 21 is larger than that of the hinged end, the width of the whole jaw 2 gradually decreases from outside to inside, and meanwhile, the width of the extending opening 12 is slightly larger than that of the hinged end and smaller than that of the movable end of the jaw body 21, and is smaller than that of the extending opening 12, so that the two jaw bodies 21 are close to each other under the constraint of the extending opening 12 in the moving process of the jaw 2, and the clamping action is realized.

In some embodiments, referring to fig. 2, the expanding portion 22 further includes an elastic member 23 disposed between the two clip bodies 21 to urge the protruding ends of the two clip bodies 21 away from each other, wherein the elastic member 23 may be an expanding spring disposed between the two clip bodies 21 so as to be in an expanded state after the clip 2 protrudes.

In other embodiments, the connecting ends of the two clip bodies 21 may be other forms, for example, the two clip bodies 21 and the opening portion 22 are integrally formed with a rebound performance, so as to achieve the opening effect, and in particular, the opening effect is not excessively restricted.

Referring to fig. 2, a driving part 3 provided in the handle 1 to drive the jaws 2 to expand and contract; the driving part 3 is in transmission connection with the clamping jaw 2, so that the clamping jaw 2 is driven to realize the effect of sliding along the length direction of the handle 1, and the two clamping bodies 21 are made to be close to each other under the constraint of the extending opening 12, so that the clamping action is realized, in some embodiments, the driving part 3 can provide extending driving force and retracting driving force for the clamping jaw 2, and also can provide rebound elasticity for the clamping jaw 2, and the driving part 3 only provides retracting driving force, so that the extending is realized through the rebound effect of the clamping jaw 2.

In addition, referring to fig. 2, the adjusting portion 4 is configured to adjust the extension length of the jaw 2, when the operator does not operate the driving portion 3, the jaw 2 is in a natural extension state, at this time, the jaw bodies 21 are constrained by the side walls of the extension openings 12, the distance between the extension ends of the two jaw bodies 21 is the opening degree of the jaw 2, and since the width of the whole jaw 2 gradually decreases from outside to inside, the extension lengths of the jaw 2 are different, and the opening degrees of the jaw 2 in the natural state, that is, the maximum opening degrees, are different, and therefore, by providing the adjusting portion 4, the extension length of the jaw 2 can be adjusted, that is, the maximum opening degree of the jaw 2.

During operation, the forceps holder 2 stretches into an area to be gripped through the handle 1, foreign matters to be gripped are placed between the two forceps holder bodies 21, then the forceps holder 2 is driven to shrink inwards like the handle 1 through the driving part 3, the two forceps holder bodies 21 are close to each other under the constraint of the stretching opening 12, the foreign matters to be gripped are gripped, then the foreign matters can be taken out, when the opening of the forceps holder 2 is inconsistent with the size of the foreign matters, the stretching length of the forceps holder 2 is adjusted through the adjusting part, wherein the longer the stretching length of the forceps holder 2 is, the larger the opening of the two forceps holder bodies 21 can be opened, the shorter the stretching length of the forceps holder 2 is, the opening of the forceps holder 21 can be opened, so that the effect of adjusting the opening of the forceps holder 2 according to the difference of the foreign matters is achieved, the practicability of the forceps holder is effectively improved, meanwhile, the opening of the forceps holder 2 is prevented from being excessively large and easy to injure wounds due to misuse on the premise that the foreign matters are gripped.

Based on the above-mentioned surgical forceps, the present utility model provides examples of the following specific embodiments, and the examples can be arbitrarily combined to form a new surgical forceps without mutual interference, and it should be understood that, for the new surgical forceps formed by combining any examples, all the examples fall within the protection scope of the present utility model.

In some embodiments, the driving part 3 includes:

referring to fig. 2, the driving block 31 is slidably disposed in the mounting cavity 11 along the length direction of the handle 1, where the mounting cavity 11 may be a cylindrical cavity, or may be in other shapes, and the driving block 31 is adapted to the mounting cavity 11, so that the driving block 31 can slide along the mounting cavity 11, and the driving block 31 is in transmission connection with the jaw 2, and drives the jaw 2 to slide telescopically along the length direction of the handle 1 while the driving block 31 slides.

Referring to fig. 2, an operation block 32 is provided on the handle 1 along the length direction of the handle 1, and the operation block 32 is slidably provided in the sliding hole and fixedly connected with the driving block 31; the handle 1 is stretched out through the slide hole to the operation piece 32, can drive the drive piece 31 through pushing the operation piece 32 and slide, specifically, when using, holds handle 1, promotes the operation piece 32 through the finger, can realize that jaw 2 activity and then realize pressing from both sides and get the action, makes the operation process more laborsaving.

Referring to fig. 2, a driving source 33 is provided in the installation cavity 11 for driving the driving block 31 to slide toward the side close to the outlet 12.

In some embodiments, referring to fig. 2 and 3, the driving source 33 may be a driving spring, in a natural state, the driving block 31 and the operating block 32 are located in a direction close to one end of the extending port 12, when in operation, the operating block 32 is slid back, so that the clamping effect can be achieved by pulling back the clamping jaw 2 through the driving block 31, and after the clamping jaw 2 is released, the clamping jaw 2 is driven to extend again under the driving of the driving spring; in other embodiments, the driving source 33 may be a driving tension spring, the driving block 31 and the operating block 32 are located at one end far away from the extending port 12 in a natural state, the jaw 2 is in a retracted state, the operating block 32 is pushed outwards during operation, so that the jaw 2 can be driven to extend, the clamp bodies 21 are driven to interact under the action of the opening part 22, and the tension spring is driven to drive the driving block 31 to pull the jaw 2 back after the sliding block is opened, so as to achieve the clamping effect.

Referring to fig. 2 and 3, in some embodiments, the adjusting portion 4 includes:

the screw 41, the drive block 31 is coaxially provided with a through hole along the axial direction of the handle 1, the screw 41 is arranged along the axial direction of the handle 1, one end of the screw 41 is fixedly connected with the extending end of the clamping jaw 2, and the other end coaxially extends into the through hole.

Referring to fig. 2 and 3, a screw 41 is connected between the jaw 2 and the driving block 31, and the driving block 31 drives the jaw 2 to slide through the screw 41 when sliding, wherein the shorter the length of the screw 41 is, the closer the distance between the jaw 2 and the driving block 31 is, the smaller the maximum extension length of the jaw 2 is, i.e. the smaller the maximum opening of the jaw 2 is, so that the effect of adjusting the maximum opening of the jaw 2 can be realized by adjusting the length of the screw 41.

Referring to fig. 2 and 3, the adjusting member 42 is coaxially rotatably disposed at one end of the driving block 31 near the outlet 12, the adjusting member 42 is provided with a threaded hole along the axial direction of the handle 1, and the screw 41 is in threaded connection with the adjusting member 42 through the threaded hole.

Wherein, when the adjusting member 42 is rotated, the positions of the driving block 31 and the adjusting member 42 are kept still, and thus the screw 41 is driven to slide along the length direction of the handle 1, thereby achieving the effect of adjusting the maximum opening degree of the jaw 2.

Referring to fig. 2 and 3, in some embodiments, the handle 1 is provided with an operation opening 13, and an operation door 14 adapted to the operation opening 13 is further provided, where the operation opening 13 is disposed at a position corresponding to the adjusting member 42 when the whole device is in a natural state, the adjusting member 42 leaks out through the operation opening 13, when the length of the screw 41 is adjusted, the length of the screw 41, that is, the effect of extending the length of the jaw 2, can be achieved by directly rotating the adjusting member 42 through the operation opening 13, and the operation opening 13 is covered by the operation door 14, so that foreign matters are prevented from entering the handle 1, and meanwhile, false contact is prevented.

Referring to fig. 2 and 3, in other embodiments, a scale mark corresponding to the extending length or the maximum opening of the jaw 2 may be provided on the operation opening 13 of the adjusting member 42, so that the maximum opening of the jaw 2 is more intuitively known, and is convenient to control.

In some embodiments, the handle 1 is provided with a latch assembly 15 that limits the opening and closing of the operating door 14.

Referring to fig. 2 and 3, the latch assembly 15 is disposed on the operation door 14, in this embodiment, when the handle 1 is made of metal, the latch assembly 15 may be a magnetic device, and after the operation door 14 is buckled, the operation door 14 is automatically locked, and in other embodiments, the latch assembly 15 may be in the form of a buckle or a latch, so as to avoid the operation door 14 from being opened during use.

In some embodiments, a stop ring is provided on the inner wall of the mounting cavity 11 to limit the sliding of the drive block 31.

Referring to fig. 2 and 3, the limiting ring is located between the driving block 31 and the extension opening 12, so as to limit the maximum sliding range of the driving block 31, thereby limiting the maximum extension length of the jaw 2, and avoiding the jaw 2 from extending too far and falling off or leaking out of other components, for example, when the driving source 33 is a driving spring, the driving spring is prevented from pushing the driving block 31 out of the range, and when the driving source 33 is a driving tension spring, the operator is prevented from pushing too much, etc.

Referring to fig. 2 and 4, in some embodiments, the jaws 2 are provided with a stop that limits the jaws 2 from falling out.

In use, when the length of the screw 41 is large, i.e. the extendable length of the jaws 2 is too large, the jaws 2 are easy to extend completely to cause failure, or the internal device leaks, so that the jaws 2 are prevented from falling off completely by the provision of the limiting member, and the stability of the device is improved.

The implementation principle before the operation of the embodiment of the utility model is as follows:

the utility model provides a surgical clamp, which comprises a handle 1 with an opening at one end, a clamp 2 extending out through an extending opening 12 and a driving part 3 for controlling the extension of the clamp 2, wherein the handle 1 is internally provided with an adjusting part for controlling the extension of the clamp 2, the clamp 2 is extended into an area to be clamped through the handle 1 during operation, a foreign matter to be clamped is placed between two clamp bodies 21, then the clamp 2 is driven to shrink inwards like the handle 1 through the driving part 3, the two clamp bodies 21 are mutually close under the constraint of the extending opening 12, the foreign matter to be clamped is clamped, then the foreign matter can be taken out, when the opening of the clamp 2 is not matched with the size of the foreign matter, the extension of the clamp 2 is adjusted through the adjusting part, wherein the longer the extension of the clamp 2 is, the larger the opening of the two clamp bodies 21 can be opened is, the shorter the extension of the clamp 2 is, the opening of the two clamp bodies 21 can be opened is smaller, thereby realizing the effect of adjusting the opening of the clamp 2 according to different sizes, the practicality of the clamp is effectively improved, and simultaneously, the opening of the clamp 2 is more convenient to use the foreign matter when the opening of the clamp 2 is more convenient to be used when the opening of the clamp is not matched with the foreign matter.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (8)

1. A surgical forceps, characterized in that: the device comprises a handle, wherein an installation cavity is formed in the handle, and an extension port communicated with the installation cavity is formed at one end of the handle;

the clamping jaw comprises two clamping bodies and an opening part, one ends of the two clamping bodies are connected, the connecting end of the clamping jaw is slidably arranged in the handle through the extending opening, and the opening part is arranged between the two clamping bodies to drive the extending ends of the clamping bodies to be far away from each other;

a driving part arranged in the handle to drive the clamp to stretch and retract;

and the adjusting part is used for adjusting the extending length of the clamping jaw.

2. The surgical clamp of claim 1, wherein the driving portion includes:

the driving block is arranged in the mounting cavity in a sliding manner along the length direction of the handle;

the handle is provided with a sliding hole along the length direction of the handle, and the operating block is arranged in the sliding hole in a sliding manner and is fixedly connected with the driving block;

the driving source is arranged in the mounting cavity and used for driving the driving block to slide towards one side close to the extending opening.

3. The surgical clamp of claim 2, wherein the adjustment portion comprises:

the screw rod is coaxially arranged on the driving block along the axial direction of the handle, the screw rod is arranged along the axial direction of the handle, one end of the screw rod is fixedly connected with the extending end of the clamping jaw, and the other end of the screw rod coaxially extends into the through hole;

the adjusting piece is coaxially arranged at one end, close to the extension port, of the driving block in a rotating mode, a threaded hole is formed in the adjusting piece along the axis direction of the handle, and the screw rod is in threaded connection with the adjusting piece through the threaded hole.

4. A pair of surgical forceps according to claim 3, wherein the handle is provided with an operating opening and an operating door adapted to the operating opening.

5. The surgical clamp of claim 4, wherein the handle is provided with a latch assembly that limits the opening and closing of the operating door.

6. The surgical clamp of claim 2, wherein a stop collar is provided on an inner wall of the mounting cavity to limit sliding movement of the drive block.

7. The surgical clamp of claim 1, wherein the flare comprises:

the elastic piece is arranged between the two clamp bodies to drive the extending ends of the two clamp bodies to be away from each other;

and the two mounting grooves are respectively arranged on the side walls of the two clamp bodies, which are close to each other, so that the elastic piece can be mounted.

8. Surgical forceps according to claim 1, characterized in that the jaws (2) are provided with a stop limiting the jaw from falling off.