CN108078609A - For the clamping device of caecum operation - Google Patents

Abstract

The invention discloses a clamping device for cecum surgery. The clamping device for cecum surgery is used for clamping the cecum, comprising: a holding body, which has a head end and a tail end; two forceps bodies, which pivotally connected to the head end of the holding body in an opposite arrangement; the moving group includes a first moving body and a second moving body. When it is necessary to clamp the cecum with the two forceps, move the first moving body toward the head end of the holding body. When it moves to the first predetermined position, the two forceps will clamp the cecum without automatically relaxing; When opening the cecum, move the second moving body to the second predetermined position, and the two forceps can be automatically pivoted so that the two forceps are in a relaxed state to loosen the cecum.

Description

Gripping device for cecal surgery

technical field

The invention relates to the technical field of medical instruments, in particular to a clamping device for cecum operation.

Background technique

When performing cecum surgery, the clamping device in the prior art is in a stepless clamping state when clamping the cecum, that is, the clamping forceps always needs to be held by hand, otherwise the clamp body cannot be kept in the clamping state, and the operation The opening does not provide enough space for the hands, thereby increasing the difficulty of the operation.

In view of the above defects, it is necessary to provide a clamping device capable of automatically maintaining the clamping state of the pliers.

Contents of the invention

Aiming at the above-mentioned technical problems existing in the prior art, the present invention provides a clamping device for cecum operation.

In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:

A clamping device for cecum surgery, for clamping the cecum, comprising:

a holding body having a head end and a tail end;

two pliers, which are pivotally connected to the head end of the holding body in an opposite arrangement;

a moving group, which includes a first moving body and a second moving body, both of the first moving body and the second moving body can move linearly toward the head end and the tail end of the holding body, so that when the second moving body When a moving body moves toward the head end of the holding body to a first predetermined position, the first moving body keeps the two pliers in a clamping state, and when the second moving body moves toward the holding body When the head end of the pliers moves to the second predetermined position, the two pliers bodies can be in a relaxed state of relative pivoting.

Preferably, a first chamber is opened in the holding body, the first moving body passes through the first chamber, and a part of the first moving body located in the first chamber is provided with a first piston , the first piston divides the first chamber into a closed left chamber and a right chamber, and a first channel communicating with the left chamber and the right chamber is formed in the holding body; wherein:

When the first moving body moves toward the head end of the holding body to a first predetermined position, the first moving body forces the head ends of the two pliers bodies to approach, and at the same time, the first moving body makes the The first channel is cut off.

Preferably, the first moving body is provided with a second chamber, the head end of the second moving body extends into the second chamber, a second channel is opened in the second moving body, and the first Both ends of the two passages communicate with the left chamber and the right chamber respectively, wherein:

When the second moving body moves toward the head end of the holding body to a second predetermined position, the second moving body makes the second channel conduct.

Preferably, the first moving body controls the on-off of the first passage through the first control assembly; The telescopic rod group at the tail end, the two electromagnets arranged oppositely, the push rod, the first valve rod, the first valve core and the inclined block; wherein:

The holding body is provided with a first guide cavity in a direction perpendicular to the moving direction of the first moving body, and a second guiding cavity and a first valve cavity are opened in a direction parallel to the moving direction of the first moving body; The first valve cavity is formed on the first passage, the push rod is set in the first guide cavity, the inclined block is set in the second guide cavity, and the first valve core is set in the first guide cavity. In the first valve cavity, the first valve core is connected to the inclined block through the first valve stem, and the first valve core is located at the end of the first valve cavity close to the tail end of the retaining body , the first spool blocks the first passage, and when the first spool is located at the end of the first valve chamber close to the head end of the holding body, the first spool makes the first A channel communicates, the upper end of the push rod abuts against the slope of the inclined block, and the lower end of the push rod and the tail end of the pliers are respectively provided with two electromagnets; when the first moving body moves towards When the tail end of the holding body moves to the first predetermined position, the first moving body forces the telescopic rod group to extend to push the tail end of the pliers, and the pliers pass through the two electromagnets. The repulsive force pushes against the push rod to move up, and the upper end of the push rod cooperates with the inclined surface to push against the inclined block and moves toward the tail end of the holding body to drive the first valve core to move so that the first Channel blocking.

Preferably, the second moving body controls the on-off of the second channel through the second control assembly; the second control assembly includes a second valve rod and a second valve core; a second valve cavity perpendicular to the moving direction of the second moving body, the second valve cavity is formed on the second channel, the second valve core is arranged in the second valve cavity, and the When the second spool moves to the upper end of the second valve cavity, the second channel is connected, and when it moves to the lower end, the second channel is blocked, and the upper end of the second valve stem is connected to the second valve. core connection, where:

The second moving body is provided with a protrusion, and when the second moving body moves toward the head end of the holding body to a second predetermined position, the protrusion pushes against the second valve rod, so that The second valve rod pushes against the second valve core and moves upward to make the second channel conduct.

Preferably, the head end of the second moving body is provided with a second piston, and the second chamber extends to the head end of the first moving body and forms a constriction for spraying liquid at the head end , so that when the second moving body moves toward the tail end of the holding body, the head end of the first moving body sucks the liquid into the second chamber, and when the second moving body moves toward the When the head end of the holding body moves, the liquid is ejected from the head end of the first moving body.

Preferably, the first valve cavity is provided with a first spring, and the first spring is used to push the first valve core toward the head end of the holding body; the second valve cavity is provided with a second A spring, the second spring is used to push down against the second valve core.

Compared with the prior art, the beneficial effect of the clamping device for cecum operation of the present invention is: when the two forceps need to clamp the cecum, the first moving body is moved toward the head end of the holding body; At the first predetermined position, the two forceps clamp the cecum and will not automatically relax; when it is necessary to loosen the cecum, move the second moving body so that the second moving body moves to the second predetermined position, and the two forceps can Automatic pivoting makes the two forceps in a relaxed state to release the cecum.

Description of drawings

Fig. 1 is the schematic structural view of the clamp body of the clamping device for cecum surgery of the present invention in a clamping state;

Figure 2 is a partial enlarged schematic view of Figure 1;

Fig. 3 is a structural schematic diagram of the second channel of the clamping device for cecum surgery of the present invention in a conduction state;

Fig. 4 is a schematic structural view of the clamp body of the clamping device for cecum operation of the present invention in a relaxed state.

In the picture:

10-holding body; 20-first moving body; 21-first piston; 22-left chamber; 23-right chamber; 24-first channel; 30-second moving body; 31-second piston; 32 -Second chamber; 33-Second channel; 34-Retraction; 35-Protrusion; 40-Clamp body; 50-Telescopic rod group; 51-Telescopic ejector rod; ; 63-push rod; 64-slope block; 65-the second spool; 66-the first spring; 71-the second spool; 72-the second valve stem.

Detailed ways

In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figures 1-4, the present invention discloses a clamping device for cecum surgery, which is used to clamp the cecum, including: a holding body 10, which has a head end and a tail end; The mode of relative setting is pivotally connected to the head end of the holding body 10; the mobile group includes the first moving body 20 and the second moving body 30, and the first moving body 20 and the second moving body 30 can move towards the head of the holding body 10. End and tail end direction linear movement, when the first moving body 20 moves toward the head end of holding body 10 to the first predetermined position, the first moving body 20 keeps the two pliers bodies 40 in the clamping state, and when the second When the moving body 30 moves toward the head end of the holding body 10 to the second predetermined position, the two pliers bodies 40 can be in a relaxed state of relative pivoting. In this way, as shown in FIG. 1 , when the two forceps bodies 40 need to clamp the cecum, the first moving body 20 is moved toward the head end of the holding body 10. clamping, and will not automatically loosen; when the cecum needs to be released, move the second moving body 30 to move the second moving body 30 to the second predetermined position, and the two forceps bodies 40 can automatically pivot so that the two forceps bodies 40 In a flaccid position to loosen the cecum.

It should be noted that the above-mentioned first predetermined position of the first moving body 20 and the second predetermined position of the second moving body 30 specifically refer to: positions preset through calculation, that is to say, the predetermined positions are preset such that The pliers body 40 achieves a clamped and a relaxed trigger position.

There are many structures and ways to realize the above-mentioned actions of the pliers body 40. In a preferred embodiment of the present invention, as shown in FIG. The first chamber, and the part of the first moving body 20 located in the first chamber is provided with a first piston 21, the first piston 21 divides the first chamber into a closed left chamber 22 and a right chamber 23, and the holding body 10 is formed with a first channel 24 communicating with the left chamber 22 and the right chamber 23; wherein: when the first moving body 20 moves toward the head end of the holding body 10 to the first predetermined position, the first moving body 20 forces the two The head ends of the pliers body 40 are close together, and at the same time, the first moving body 20 blocks the first channel 24 . The first mobile body 20 is provided with a second chamber 32, the head end of the second mobile body 30 extends into the second chamber 32, and the second mobile body 30 is provided with a second channel 33, the two ends of the second channel 33 communicate with the left chamber 22 and the right chamber 23 respectively, wherein: when the second moving body 30 moves toward the head end of the holding body 10 to a second predetermined position, the second moving body 30 makes the second channel 33 conduct.

In this way, when the first channel 24 connecting the left chamber 22 and the right chamber 23 is blocked by the movement of the first moving body 20, the air in the left chamber 22 and the right chamber 23 cannot flow, Therefore, the first moving body 20 remains stationary, so that the pliers body 40 remains clamped; when the first channel 24 communicating with the left chamber 22 and the right chamber 23 is conducted through the movement of the second moving body 30, The flow between the air in the left chamber 22 and the right chamber 23 is realized, so that the first moving body 20 can move freely, so that the pliers body 40 is opened into a relaxed state. Here, the first predetermined position is the position where the first moving body 20 triggers the blocking of the first channel 24 , and the second predetermined position is the position where the second moving body 30 triggers the second channel 33 to be turned on.

Specifically, as shown in FIG. 1 , the first moving body 20 controls the on-off of the first channel 24 through the first control assembly; Telescopic rod group 50, two opposite electromagnets 61, push rod 63, first valve rod 62, first valve core 65 and inclined block 64; wherein: the holding body 10 is in the direction perpendicular to the movement of the first moving body 20 A first guide chamber and a second guide chamber and a first valve chamber are opened parallel to the moving direction of the first moving body 20; the first valve chamber is formed on the first channel 24, and the push rod 63 is arranged on the first guide chamber. In the cavity, the slanting block 64 is set in the second guide cavity, the first valve core 65 is set in the first valve cavity, the first spool 65 is connected with the slanting block 64 through the first valve stem 62, and the first spool 65 When the first valve core 65 is located at the end of the first valve cavity close to the tail end of the holding body 10, the first valve core 65 blocks the first channel 24; The core 65 communicates with the first passage 24, the upper end of the push rod 63 abuts against the slope of the inclined block 64, and the lower end of the push rod 63 and the tail end of the caliper body 40 are respectively provided with two electromagnets 61; When the tail end of the body 10 moves to the first predetermined position, the first moving body 20 forces the telescopic rod group 50 to extend to push the tail end of the pliers body 40, and the pliers body 40 is pushed against the push rod 63 by the repulsive force of the two electromagnets 61 Moving, the upper end of the push rod 63 cooperates with the inclined surface to push the inclined block 64 to move toward the tail end of the retaining body 10 to drive the first valve core 65 to move so as to block the first channel 24 . As shown in Figures 2 and 3, the second moving body 30 controls the on-off of the second channel 33 through the second control assembly; the second control assembly includes a second valve rod 72 and a second valve core 71; the second moving body 30 A second valve cavity perpendicular to the moving direction of the second moving body 30 is opened inside, the second valve cavity is formed on the second channel 33, the second valve core 71 is arranged in the second valve cavity, and the second valve core 71 When moving to the upper end of the second valve cavity, the second channel 33 is conducted, and when moving to the lower end, the second channel 33 is blocked, and the upper end of the second valve rod 72 is connected with the second valve core 71, wherein: the second moving body 30 When the second moving body 30 moves to the second predetermined position toward the head end of the holding body 10, the protrusion 35 pushes against the second valve stem 72, so that the second valve stem 72 pushes against the second valve stem 72. The spool 71 moves upward to make the second channel 33 open. In this way, the first moving body 20 enables the pliers body 40 to maintain a clamped state through the first control component, and the second moving body 30 enables the pliers body 40 to realize a relaxed state after being clamped through the second control component.

In a preferred embodiment of the present invention, the head end of the second moving body 30 is provided with a second piston 31, and the second chamber 32 extends to the head end of the first moving body 20 and forms a hole for spraying liquid at the head end. The constriction 34 is so that when the second moving body 30 moves toward the tail end of the holding body 10, the head end of the first moving body 20 will suck the liquid into the second chamber 32, and when the second moving body 30 moves toward the holding body When the head end of the body 10 moves, the liquid is ejected from the head end of the first moving body 20 . The clamping device for cecum surgery of the present invention can enable the forceps 40 to clamp the cecum and maintain the clamping state through the first moving body 20, and then push the medicinal liquid sucked into the second chamber 32 by pushing against the second movement The body 30 will spray to the cecum to clean the cecum. When the second piston 31 is pushed to the head end of the second chamber 32, the protrusion 35 just pushes against the second valve core 71, so that the second channel 33 leads Through, so that the first moving body 20 can move freely, the forceps body 40 realizes relaxation, and the function of clamping forceps is completed.

Preferably, the first valve cavity is provided with a first spring 66, and the first spring 66 is used to push against the first valve core 65 toward the head end of the holder 10; a second spring is provided in the second valve cavity, and the second spring is used for Then push down against the second spool 71 . The first spring 66 and the second spring provide reset for the first spool 65 and the second spool 71 .

It should be noted that the structure of the telescopic rod group 50 can have many kinds, for example, it includes a cylinder, the cylinder is provided with sawtooth, the upper and lower ends of the cylinder are all pierced with telescopic ejector rods 51, and the telescopic ejector rods 51 meshes with the saw teeth, and the outer wall of the cylinder meshes with the first moving body 20 . In this way, when the first moving body 20 moves, the barrel rotates and displaces the serrations of the barrel and the telescopic mandrel 51 , thereby increasing the extension length of the telescopic mandrel 51 , thereby increasing the overall length of the telescopic mandrel 50 .

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements to the present invention within the spirit and protection scope of the present invention, and such modifications or equivalent replacements should also be deemed to fall within the protection scope of the present invention.

Claims (7)

1. A clamping device for cecum surgery, for clamping cecum, is characterized in that, comprising: a holding body having a head end and a tail end; two pliers, which are pivotally connected to the head end of the holding body in an opposite arrangement; a moving group, which includes a first moving body and a second moving body, both of the first moving body and the second moving body can move linearly toward the head end and the tail end of the holding body, so that when the second moving body When a moving body moves toward the head end of the holding body to a first predetermined position, the first moving body keeps the two pliers in a clamping state, and when the second moving body moves toward the holding body When the head end of the pliers moves to the second predetermined position, the two pliers bodies can be in a relaxed state of relative pivoting. 2. The clamping device for cecum surgery according to claim 1, wherein a first chamber is opened in the holding body, the first moving body penetrates the first chamber, and the The part of the first moving body located in the first chamber is provided with a first piston, and the first piston divides the first chamber into a closed left chamber and a right chamber, and the holding body is formed with A first passage connecting the left chamber and the right chamber; wherein: When the first moving body moves toward the head end of the holding body to a first predetermined position, the first moving body forces the head ends of the two pliers bodies to approach, and at the same time, the first moving body makes the The first passage is cut off; 3. The clamping device for cecum surgery according to claim 2, wherein the first moving body is provided with a second chamber, and the head end of the second moving body extends into the second chamber. In the chamber, a second channel is opened in the second mobile body, and the two ends of the second channel communicate with the left chamber and the right chamber respectively, wherein: When the second moving body moves toward the head end of the holding body to a second predetermined position, the second moving body makes the second channel conduct. 4. The clamping device for cecum surgery according to claim 3, characterized in that, the first moving body controls the on-off of the first passage through the first control assembly; the first control The assembly includes a set of telescopic rods linked with the first moving body and used to push against the tail end of the pliers, two electromagnets arranged oppositely, a push rod, a first valve stem, a first valve core and an inclined block; wherein: The holding body is provided with a first guide cavity in a direction perpendicular to the moving direction of the first moving body, and a second guiding cavity and a first valve cavity are opened in a direction parallel to the moving direction of the first moving body; The first valve cavity is formed on the first passage, the push rod is set in the first guide cavity, the inclined block is set in the second guide cavity, and the first valve core is set in the first guide cavity. In the first valve cavity, the first valve core is connected to the inclined block through the first valve stem, and the first valve core is located at the end of the first valve cavity close to the tail end of the retaining body , the first spool blocks the first passage, and when the first spool is located at the end of the first valve chamber close to the head end of the holding body, the first spool makes the first A channel communicates, the upper end of the push rod abuts against the slope of the inclined block, and the lower end of the push rod and the tail end of the pliers are respectively provided with two electromagnets; when the first moving body moves towards When the tail end of the holding body moves to the first predetermined position, the first moving body forces the telescopic rod group to extend to push the tail end of the pliers, and the pliers pass through the two electromagnets. The repulsive force pushes against the push rod to move up, and the upper end of the push rod cooperates with the inclined surface to push against the inclined block and moves toward the tail end of the holding body to drive the first valve core to move so that the first Channel blocking. 5. The clamping device for cecum surgery according to claim 4, characterized in that, the second moving body controls the on-off of the second passage through a second control assembly; the second control assembly includes a second valve stem and a second valve core; a second valve cavity perpendicular to the moving direction of the second moving body is opened in the second moving body, and the second valve cavity is formed on the second channel, The second spool is arranged in the second valve cavity, and when the second spool moves to the upper end of the second valve cavity, the second channel is connected, and when the second spool moves to the lower end, the The second channel is blocked, and the upper end of the second valve rod is connected to the second valve core, wherein: The second moving body is provided with a protrusion, and when the second moving body moves toward the head end of the holding body to a second predetermined position, the protrusion pushes against the second valve rod, so that The second valve rod pushes against the second valve core and moves upward to make the second channel conduct. 6. The clamping device for cecum surgery according to claim 5, wherein a second piston is provided at the head end of the second moving body, and the second chamber extends to the first moving body. body and form a constriction for spraying liquid at the head end, so that when the second moving body moves toward the tail end of the holding body, the head end of the first moving body injects the liquid sucked into the second chamber, and when the second moving body moves toward the head end of the holding body, the liquid is ejected from the head end of the first moving body. 7. The clamping device for cecum operation according to claim 6, characterized in that, the first valve chamber is provided with a first spring, and the first spring is used to push toward the head end of the holding body. against the first valve core; a second spring is arranged in the second valve cavity, and the second spring is used to push down against the second valve core.