CN209678610U - Hemostatic clamp and its outer tube nested structure - Google Patents

Abstract

The utility model discloses a kind of hemostatic clamp and its outer tube nested structures, comprising: sleeve, connecting cylinder and the block set being sequentially connected.Sleeve is used to accommodate a pair of of clamping limb of hemostatic clamp, and sleeve has the first through hole penetrated through along its axis direction；Block set is used for the pull rod by hemostatic clamp, and block set has the second through-hole penetrated through along its axis direction；Connecting cylinder is connected with sleeve and block set respectively, and connecting cylinder has the third through-hole penetrated through along its axis direction.

Description

Hemostatic clamp and its outer tube nested structure

Technical field

The utility model relates to the field of medical instrument technology more particularly to a kind of hemostatic clamps and its outer tube nested structure.

Background technique

The Patent No. ZL201410222753.7 patent of invention for please referring to Fig. 1 discloses a kind of hemostasis clip, because of it Hemostasis efficiency is high, and the surface of a wound is small, and few intercurrent disease is widely used in clinical operation.The opening of the clamping limb of the patent of invention, takes Two sliding slots, an active pin shaft and a fixed pin shaft certainly in the middle part of clamping limb, two sliding slots are located in the middle part of clamping limb, and And sliding slot is divided into arc sliding section and lock segments, two arc sliding sections are arranged in a crossed manner.The hemostasis clip of the invention, before use Clamping limb is in closed state, and pin shaft is located at the tail portion of the arc sliding section of two sliding slots at this time, does not enter lock segments.It uses When, for clamping limb under the action of thrust, pin shaft forces clamping limb to open.After use, clamping limb is in closure and lock state, this When clamping limb be pulled, pin shaft forces extension arm to be closed, and when pulling force reaches critical value, pin shaft enters the lock segments of sliding slot, folder Gripping arm is locked, and steel wire port falls off.The invention but hemostasis clip the shortcomings that be that structure is complicated, high production cost is clamping During arm opening and closing are especially broken off relations, relatively large power is needed, therefore use is inconvenient.

Utility model content

First purpose of the utility model is to provide a kind of outer tube nested structure, outer during hemostatic clamp is in unhook to solve The technical issues of pipe sleeve is easily isolated.

Second purpose of the utility model is to provide a kind of hemostatic clamp, to solve outer tube sleeve during hemostatic clamp is in unhook The technical issues of being easily isolated.

The outer tube nested structure of the utility model is achieved in that

A kind of outer tube nested structure, comprising:

Sleeve, the sleeve are used to accommodate a pair of of clamping limb of hemostatic clamp, and the sleeve has to be penetrated through along its axis direction First through hole；

Block set, the block set are used for the pull rod by hemostatic clamp, and the block set has second penetrated through along its axis direction Through-hole；

Connecting cylinder, the connecting cylinder are connected with the sleeve and block set respectively, and the connecting cylinder has along its axis direction The third through-hole of perforation.

In the utility model preferred embodiment, the sleeve includes the small inside diameter with connecting cylinder socket, with And the large diameter portion being integrally connected with the small inside diameter；

The inner hole wall of end of the small inside diameter towards the connecting cylinder is equipped with the first bulge loop of a ring structure；And

What the end of the connecting cylinder towards the sleeve was set as being suitable for being nested with first bulge loop turns up horn-like Opening.

In the utility model preferred embodiment, formed between the flare openings and the lateral wall of the connecting cylinder Angle be 45~60 degree.

In the utility model preferred embodiment, the inner hole wall of the block set towards the end of the connecting cylinder is equipped with one Second bulge loop of ring structure；And

The lateral wall of the connecting cylinder is equipped with the recessed groove for being suitable for the second bulge loop described in inlay card of a ring structure.

In the utility model preferred embodiment, the side wall of the part of the block set and connecting cylinder socket is equipped with a pair of U Shape short slot.

The hemostatic clamp of the utility model is achieved in that

A kind of hemostatic clamp, comprising: the outer tube nested structure, the removable pin in the sleeve of the outer tube nested structure Axis, and suitable for being inserted into a pair of of pull rod in the sleeve with active pin shaft clamping after sequentially passing through block set and connecting cylinder.

In the utility model preferred embodiment, the connecting cylinder towards the end of the block set third through-hole hole Wall is equipped with the third bulge loop of a ring structure；And

Be integrally formed in the third through-hole for being housed in the connecting cylinder in the part of the nearly active pin shaft of the pair of pull rod and Suitable for the top being resisted against on third bulge loop.

In the utility model preferred embodiment, a pair of pull rod is suitable for wearing far from the end of the active pin shaft It is connected after crossing the block set with wirerope；And

The block set is used to be connected with bourdon tube far from the end of the connecting cylinder.

In the utility model preferred embodiment, the side wall of the part of the nearly connecting cylinder of the sleeve, which is equipped with, a pair of is suitable for card The slot of two ends of the embedding active pin shaft.

In the utility model preferred embodiment, the hemostatic clamp further includes in the sleeve far from the connecting cylinder The limit pin shaft clamped in partial first through hole, and a pair of of the clamping being connected with the limit pin shaft and active pin shaft Arm.

Using above-mentioned technical proposal, the utility model have it is below the utility model has the advantages that the hemostatic clamp of the utility model and Its outer tube nested structure, whole outer tube nested structure include the sleeve, connecting cylinder and block set being sequentially connected, and are drawn in a pair of hemostatic clamp During bar breaks off relations, the flare openings of connecting cylinder to turn up realize deformation under the active force of a pair of of pull rod, so that connection Cylinder is separated with realization between sleeve, and the separation between whole outer tube sleeve can be realized.

Further, two ends of active pin shaft described in inlay card are suitable for by a pair that the lateral wall in sleeve is equipped with Slot, after pull rod unhook, active pin shaft inlay card is in the slot of sleeve lateral wall, at this time due between active pin shaft and slot Fixed function is limited, the clamped condition between a pair of of clamping limb can be effectively kept.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of hemostatic clamp in the prior art；

Fig. 2 is the structural schematic diagram of the outer tube nested structure of the utility model；

Fig. 3 is the configuration schematic diagram at the first visual angle of the outer tube nested structure of the utility model；

Fig. 4 is the configuration schematic diagram at the second visual angle of the outer tube nested structure of the utility model；

Fig. 5 is the configuration schematic diagram at the third visual angle of the outer tube nested structure of the utility model；

Fig. 6 is the structural schematic diagram of the connecting cylinder of the outer tube nested structure of the utility model；

Fig. 7 is the clamping limb of the utility model and the structural schematic diagram of sleeve；

Fig. 8 to Figure 10 is the clamping limb opening and closing state diagram of the hemostatic clamp of the utility model.

In figure: sleeve 100, first through hole 101, small inside diameter 102, large diameter portion 103, the first bulge loop 105, slot 107, Connecting cylinder 200, third through-hole 201, flare openings 202, recessed groove 203, third bulge loop 205, block set 300, the second through-hole 301, U-shaped short slot 302, the second bulge loop 303, clamping limb 400, pull rod 500, top 502, crotch-shaped portion 505, active pin shaft 600, bourdon tube 700, wirerope 800, limit pin shaft 900.

Specific embodiment

In order to make the content of the utility model be easier to be clearly understood, below according to specific embodiment and combine attached Figure, is described in further detail the utility model.

Embodiment 1:

It please refers to shown in Fig. 2 to Fig. 5, present embodiments provides a kind of outer tube nested structure, comprising: the sleeve being sequentially connected 100, connecting cylinder 200 and block set 300.Wherein, sleeve 100 is used to accommodate a pair of of clamping limb 400 of hemostatic clamp, and sleeve 100 has Along the first through hole 201 of its axis direction perforation；Block set 300 is used for the pull rod 500 by hemostatic clamp, and block set 300 has along it Second through-hole 301 of axis direction perforation；Connecting cylinder 200 is connected with sleeve 100 and block set 300 respectively, and connecting cylinder 200 has edge The third through-hole 201 of its axis direction perforation.

Specifically, sleeve 100 includes the small inside diameter 102 being socketed with connecting cylinder 200, and integrally with small inside diameter 102 Connected large diameter portion 103；The inner hole wall of end of the small inside diameter 102 towards connecting cylinder 200 is equipped with the first of a ring structure Bulge loop 105；And the end of connecting cylinder 200 towards sleeve 100 be set as being suitable for it is horn-like with turning up of being nested of the first bulge loop 105 Opening 202.Flare openings 202 herein are used to clamp with the first bulge loop 105 of the small inside diameter 102 of sleeve 100, so that Do not have under external force, cannot achieve disengaging between the two, herein it should be noted that the outer diameter of flare openings 202 is greater than The internal diameter of the corresponding first through hole 201 of first bulge loop 105, and the outer diameter of flare openings 202 herein is slightly less than sleeve 100 The internal diameter of the corresponding first through hole 201 of normal segments (part of i.e. not set first bulge loop 105), and connecting cylinder 200 is normal Partially the outer diameter of (parts of the i.e. not set flare openings 202 to turn up) is then slightly less than the first bulge loop 105 corresponding first The internal diameter of through-hole 201, allow the flare openings 202 of connecting cylinder 200 be housed in the first through hole 201 of sleeve 100 and The first bulge loop 105 that sleeve 100 can not be directed across again is detached from from sleeve 100.Therefore, for sleeve 100 and connecting cylinder 200 Between socket relationship be that realization is fetched by the set between the first above-mentioned bulge loop 105 and flare openings 202.And even After the flare openings 202 of connect cylinder 200 to turn up deform, then it can make first bulge loop 105 of the connecting cylinder 200 from sleeve 100 It is detached from corresponding first through hole 201.

It is 45~60 degree for the angle formed between the lateral wall of flare openings 202 and connecting cylinder 200 herein.It can Choosing is set as 60 degree of angles, and the socket that the flare openings 202 at 60 degree of angles be both able to satisfy between connecting cylinder 200 and sleeve 100 is connected, The output of external force can also be reduced when external force is attached the separation between cylinder 200 and sleeve 100.

Socket between block set 300 and connecting cylinder 200 is achieved in that specifically, in block set 300 towards connection The inner hole wall of the end of cylinder 200 is equipped with the second bulge loop 303 of a ring structure；And one is equipped in the lateral wall of connecting cylinder 200 The recessed groove 203 suitable for the second bulge loop of inlay card 303 of ring structure.Therefore, when 303 inlay card of the second bulge loop is in recessed groove 203 When, block set 300 is the connection realized between connecting cylinder 200.It is herein it should be noted that corresponding for the second bulge loop 303 The second through-hole 301 at internal diameter be less than the outer diameter at the not set recessed groove 203 of connecting cylinder 200, the outer diameter at recessed groove 203 is then It is the internal diameter adaptation at second through-hole 301 corresponding with the second bulge loop 303.Recessed groove 203 herein is preferably arranged to connecting cylinder The middle section position of 200 axis direction.

For the ease of assembling block set 300 and connecting cylinder 200, in the part that block set 300 and connecting cylinder 200 are socketed Side wall is equipped with a pair of U-shaped short slot 302.A pair of U-shaped short slot 302 herein is provided when carrying out between block set 300 and connecting cylinder 200 The distortion allowance of block set 300 in assembling process passes through 300 wink of block set between block set 300 and connecting cylinder 200 in assembling process When deformation instantaneously to expand internal diameter at corresponding second through-hole 301 of the second bulge loop 303, the second bulge loop 303 is got over Part and the clamping of recessed groove 203 that connecting cylinder 200 is not provided with recessed groove 203 are crossed, hereby it is achieved that block set 300 and 200 liang of connecting cylinder Mating connection between person.

Embodiment 2:

It please refers to shown in Fig. 7 to Figure 10, on the basis of the outer tube nested structure of embodiment 1, present embodiments provides one kind Hemostatic clamp, the outer tube nested structure including embodiment 1, the active pin shaft 600, Yi Jishi in the sleeve 100 of outer tube nested structure A pair of of the pull rod 500 being clamped in sleeve 100 with active pin shaft 600 is inserted into after sequentially passing through block set 300 and connecting cylinder 200.

The part that a pair of of pull rod 500 and active pin shaft 600 of the present embodiment are clamped is to have crotch-shaped portion jaggy 505, when convenient for applying motive force to a pair of of pull rod 500, the crotch-shaped portion 505 of a pair of of pull rod 500 be can produce relatively The disengaging effect of a pair of of pull rod 500 and active pin shaft 600 is realized in the deformation of active pin shaft 600.

A pair of of pull rod 500 is suitable for being connected after passing through block set 300 with wirerope 800 far from the end of active pin shaft 600；With And block set 300 is used to be connected with bourdon tube 700 far from the end of connecting cylinder 200.Hemostatic clamp further includes in sleeve 100 far from connection The limit pin shaft 900 clamped in the first through hole 201 of the part of cylinder 200, and it is equal with limit pin shaft 900 and active pin shaft 600 Connected a pair of of clamping limb 400, limit pin shaft 900 and the side wall of sleeve 100 are fixedly linked.A pair of of clamping limb in the present embodiment 400 specific structure and to matching between clamping limb 400 and limit pin shaft 900 and active pin shaft 600 in this present embodiment Conjunction relationship can refer to the structure in the patent of Patent No. ZL201410222753.7, therefore, between a pair of of clamping limb 400 Opening and closing concrete principle process, this embodiment is not repeated.

It should be noted that for the ease of being detached from the process of active pin shaft 600 when the deformation of a pair of of pull rod 500 of hemostatic clamp In, by the synchronous disengaging realized between connecting cylinder 200 and sleeve 100 of a pair of of pull rod 500, the present embodiment is in connecting cylinder 200 The third bulge loop 205 of a ring structure is equipped with towards the hole wall of the third through-hole 201 of the end of block set 300；And it is drawn in a pair The part of the nearly active pin shaft 600 of bar 500 is integrally formed in the third through-hole 201 for being housed in connecting cylinder 200 and is suitable for being resisted against the Top 502 on three bulge loops 205.I.e. during a pair of of 500 undeformed disengaging active pin shaft 600 of pull rod, top 502 The active force for third bulge loop 205 will not be generated, only after a pair of of pull rod 500 is by the pulling function power of wirerope 800, The direction that a pair of of pull rod 500 is directed away from sleeve 100 is mobile, at this point, the top 502 on a pair of of pull rod 500 is generated for the The motive force of three bulge loops 205, so that third bulge loop 205 generates movement rail identical with a pair of of pull rod 500 together with connecting cylinder 200 Mark, it is final to realize block set 300 and connecting cylinder 200 with a pair of of pull rod 500 and the disengaging of sleeve 100.

A pair of of clamping limb 400 of the present embodiment has clamped after tissue and after sleeve 100 is separated with connecting cylinder 200 It is such closed state for keeping a pair of of clamping limb 400, the side wall in the part of the nearly connecting cylinder 200 of sleeve 100 is equipped with a pair The slot 107 of two ends suitable for inlay card active pin shaft 600.The drawing applied due to a pair of of pull rod 500 for active pin shaft 600 Power, along the axial-movement of first through hole 201 to two slots 107 under the action of active pin shaft 600 is in a pair of of pull rod 500 In after, two ends of active pin shaft 600 are installed in two slots 107, and active pin shaft 600 at this time is fixed, by In the limit fixed function of active pin shaft 600 at this time, a pair of of clamping limb 400 is collapsed in sleeve 100.

The specific implementation principle of the hemostatic clamp of the present embodiment is as follows:

It please refers to shown in Fig. 8 to Figure 10, (the hemostatic clamp in the present embodiment after a pair of of clamping limb 400 finds puncture site accurately Ontology direction is front, and 800 direction of wirerope is rear), wirerope 800 is pulled back, a pair of of clamping limb 400 at this time generates Relatively closed movement tendency, at this time with the pulling function power that wirerope 800 is continuously applied a pair of of pull rod 500, with one The active pin shaft 600 clamped to pull rod 500 is moved along the direction of internal diameter towards the block set 300 of first through hole 201, with activity The continuous movement of pin shaft 600, a pair of of clamping limb 400 progress into inside the first through hole 201 of sleeve 100.Here, until activity When the both ends of pin shaft 600 are installed in a pair of of slot 107 of 100 lateral wall of sleeve, active pin shaft 600 stops movement, with steel Continuous action power of the cord 800 for a pair of of pull rod 500, the crotch-shaped of a pair of of pull rod 500 and the socket of active pin shaft 600 part Portion 505 is deformed the separation gradually to realize a pair of of pull rod 500 and active pin shaft 600, at this time supporting on a pair of of pull rod 500 The synchronous counter-active effect power for generating the third bulge loop 205 for connecting cylinder 200 in portion 502, allows connecting cylinder 200 with a pair The direction of motion of pull rod 500 generates synchronous motor behavior.In the process that connecting cylinder 200 is moved synchronously with a pair of of pull rod 500 In, the deformation of flare openings 202 of connecting cylinder 200 turned up is reduced, and the flare openings 202 of connecting cylinder 200 are connected Lead to connect cylinder 200 to be detached from from sleeve 100, connecting cylinder 200 then smoothly realizes the separation with sleeve 100 as a result,.

Above specific embodiment has carried out further in detail the purpose of this utility model, technical scheme and beneficial effects It describes in detail bright, it should be understood that the above are only specific embodiments of the present invention, it is practical new to be not limited to this Type, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should be included in this Within the protection scope of utility model.

In the description of the present invention, it should be understood that indicating position or the term of positional relationship are based on attached drawing Shown in orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion institute The equipment or element of finger must have a particular orientation, is constructed and operated in a specific orientation, therefore should not be understood as to this reality With novel limitation.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area Divide description, is not understood to indicate or imply relative importance.

In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical" It has to fully horizontally, but can be slightly tilted.

In the present invention unless specifically defined or limited otherwise, fisrt feature is on or below second feature It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the Right above two features and oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature is in the second spy Under sign, lower section and fisrt feature included below be directly below and diagonally below the second feature, or be merely representative of fisrt feature level Height is less than second feature.

Claims (10)

1. a kind of outer tube nested structure is suitable for hemostatic clamp characterized by comprising

Sleeve, the sleeve are used to accommodate a pair of of clamping limb of hemostatic clamp, and the sleeve has the penetrated through along its axis direction One through-hole；

Block set, the block set are used for the pull rod by hemostatic clamp, and the block set has the second through-hole penetrated through along its axis direction；

Connecting cylinder, the connecting cylinder are connected with the sleeve and block set respectively, and the connecting cylinder has to be penetrated through along its axis direction Third through-hole.

2. outer tube nested structure according to claim 1, which is characterized in that the sleeve includes being socketed with the connecting cylinder Small inside diameter, and the large diameter portion being integrally connected with the small inside diameter；

The inner hole wall of end of the small inside diameter towards the connecting cylinder is equipped with the first bulge loop of a ring structure；And

The end of the connecting cylinder towards the sleeve is set as the flare openings to turn up for being suitable for being nested with first bulge loop.

3. outer tube nested structure according to claim 2, which is characterized in that the flare openings are outer with the connecting cylinder The angle formed between side wall is 45~60 degree.

4. according to the described in any item outer tube nested structures of Claims 2 or 3, which is characterized in that the block set is towards the connection The inner hole wall of the end of cylinder is equipped with the second bulge loop of a ring structure；And

The lateral wall of the connecting cylinder is equipped with the recessed groove for being suitable for the second bulge loop described in inlay card of a ring structure.

5. outer tube nested structure according to claim 4, which is characterized in that the side of the part of the block set and connecting cylinder socket Wall is equipped with a pair of U-shaped short slot.

6. a kind of hemostatic clamp characterized by comprising outer tube nested structure as claimed in any one of claims 1 to 5 is set to institute State the active pin shaft in the sleeve of outer tube nested structure, and suitable for sequentially pass through be inserted into the sleeve after block set and connecting cylinder with A pair of of pull rod of the active pin shaft clamping.

7. hemostatic clamp according to claim 6, which is characterized in that third of the connecting cylinder towards the end of the block set The hole wall of through-hole is equipped with the third bulge loop of a ring structure；And

It is integrally formed in the third through-hole for being housed in the connecting cylinder and is suitable in the part of the nearly active pin shaft of the pair of pull rod It is resisted against the top on third bulge loop.

8. hemostatic clamp according to claim 7, which is characterized in that a pair of end of the pull rod far from the active pin shaft Suitable for being connected after passing through the block set with wirerope；And

The block set is used to be connected with bourdon tube far from the end of the connecting cylinder.

9. according to the described in any item hemostatic clamps of claim 6~8, which is characterized in that the part of the nearly connecting cylinder of the sleeve Side wall is equipped with the slot of a pair of two ends for being suitable for active pin shaft described in inlay card.

10. hemostatic clamp according to claim 9, which is characterized in that the hemostatic clamp further includes in the sleeve far from institute The limit pin shaft clamped in the first through hole of the part of connecting cylinder is stated, and be connected with the limit pin shaft and active pin shaft A pair of of clamping limb.